var global$1 = typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};

// based off https://github.com/defunctzombie/node-process/blob/master/browser.js

function defaultSetTimout() {
  throw new Error('setTimeout has not been defined');
}

function defaultClearTimeout() {
  throw new Error('clearTimeout has not been defined');
}

var cachedSetTimeout = defaultSetTimout;
var cachedClearTimeout = defaultClearTimeout;

if (typeof global$1.setTimeout === 'function') {
  cachedSetTimeout = setTimeout;
}

if (typeof global$1.clearTimeout === 'function') {
  cachedClearTimeout = clearTimeout;
}

function runTimeout(fun) {
  if (cachedSetTimeout === setTimeout) {
    //normal enviroments in sane situations
    return setTimeout(fun, 0);
  } // if setTimeout wasn't available but was latter defined


  if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
    cachedSetTimeout = setTimeout;
    return setTimeout(fun, 0);
  }

  try {
    // when when somebody has screwed with setTimeout but no I.E. maddness
    return cachedSetTimeout(fun, 0);
  } catch (e) {
    try {
      // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
      return cachedSetTimeout.call(null, fun, 0);
    } catch (e) {
      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
      return cachedSetTimeout.call(this, fun, 0);
    }
  }
}

function runClearTimeout(marker) {
  if (cachedClearTimeout === clearTimeout) {
    //normal enviroments in sane situations
    return clearTimeout(marker);
  } // if clearTimeout wasn't available but was latter defined


  if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
    cachedClearTimeout = clearTimeout;
    return clearTimeout(marker);
  }

  try {
    // when when somebody has screwed with setTimeout but no I.E. maddness
    return cachedClearTimeout(marker);
  } catch (e) {
    try {
      // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
      return cachedClearTimeout.call(null, marker);
    } catch (e) {
      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
      // Some versions of I.E. have different rules for clearTimeout vs setTimeout
      return cachedClearTimeout.call(this, marker);
    }
  }
}

var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
  if (!draining || !currentQueue) {
    return;
  }

  draining = false;

  if (currentQueue.length) {
    queue = currentQueue.concat(queue);
  } else {
    queueIndex = -1;
  }

  if (queue.length) {
    drainQueue();
  }
}

function drainQueue() {
  if (draining) {
    return;
  }

  var timeout = runTimeout(cleanUpNextTick);
  draining = true;
  var len = queue.length;

  while (len) {
    currentQueue = queue;
    queue = [];

    while (++queueIndex < len) {
      if (currentQueue) {
        currentQueue[queueIndex].run();
      }
    }

    queueIndex = -1;
    len = queue.length;
  }

  currentQueue = null;
  draining = false;
  runClearTimeout(timeout);
}

function nextTick(fun) {
  var args = new Array(arguments.length - 1);

  if (arguments.length > 1) {
    for (var i = 1; i < arguments.length; i++) {
      args[i - 1] = arguments[i];
    }
  }

  queue.push(new Item(fun, args));

  if (queue.length === 1 && !draining) {
    runTimeout(drainQueue);
  }
} // v8 likes predictible objects

function Item(fun, array) {
  this.fun = fun;
  this.array = array;
}

Item.prototype.run = function () {
  this.fun.apply(null, this.array);
};

var title = 'browser';
var platform = 'browser';
var browser$1 = true;
var env = {};
var argv = [];
var version = ''; // empty string to avoid regexp issues

var versions = {};
var release = {};
var config = {};

function noop() {}

var on = noop;
var addListener = noop;
var once = noop;
var off = noop;
var removeListener = noop;
var removeAllListeners = noop;
var emit = noop;
function binding(name) {
  throw new Error('process.binding is not supported');
}
function cwd() {
  return '/';
}
function chdir(dir) {
  throw new Error('process.chdir is not supported');
}
function umask() {
  return 0;
} // from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js

var performance$1 = global$1.performance || {};

var performanceNow = performance$1.now || performance$1.mozNow || performance$1.msNow || performance$1.oNow || performance$1.webkitNow || function () {
  return new Date().getTime();
}; // generate timestamp or delta
// see http://nodejs.org/api/process.html#process_process_hrtime


function hrtime(previousTimestamp) {
  var clocktime = performanceNow.call(performance$1) * 1e-3;
  var seconds = Math.floor(clocktime);
  var nanoseconds = Math.floor(clocktime % 1 * 1e9);

  if (previousTimestamp) {
    seconds = seconds - previousTimestamp[0];
    nanoseconds = nanoseconds - previousTimestamp[1];

    if (nanoseconds < 0) {
      seconds--;
      nanoseconds += 1e9;
    }
  }

  return [seconds, nanoseconds];
}
var startTime = new Date();
function uptime() {
  var currentTime = new Date();
  var dif = currentTime - startTime;
  return dif / 1000;
}
var process = {
  nextTick: nextTick,
  title: title,
  browser: browser$1,
  env: env,
  argv: argv,
  version: version,
  versions: versions,
  on: on,
  addListener: addListener,
  once: once,
  off: off,
  removeListener: removeListener,
  removeAllListeners: removeAllListeners,
  emit: emit,
  binding: binding,
  cwd: cwd,
  chdir: chdir,
  umask: umask,
  hrtime: hrtime,
  platform: platform,
  release: release,
  config: config,
  uptime: uptime
};

function createCommonjsModule(fn, basedir, module) {
	return module = {
		path: basedir,
		exports: {},
		require: function (path, base) {
			return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
		}
	}, fn(module, module.exports), module.exports;
}

function commonjsRequire () {
	throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
}

function _typeof$1(obj) {
  "@babel/helpers - typeof";

  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
    _typeof$1 = function (obj) {
      return typeof obj;
    };
  } else {
    _typeof$1 = function (obj) {
      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
    };
  }

  return _typeof$1(obj);
}

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
  try {
    var info = gen[key](arg);
    var value = info.value;
  } catch (error) {
    reject(error);
    return;
  }

  if (info.done) {
    resolve(value);
  } else {
    Promise.resolve(value).then(_next, _throw);
  }
}

function _asyncToGenerator(fn) {
  return function () {
    var self = this,
        args = arguments;
    return new Promise(function (resolve, reject) {
      var gen = fn.apply(self, args);

      function _next(value) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
      }

      function _throw(err) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
      }

      _next(undefined);
    });
  };
}

function _classCallCheck(instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
}

function _defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor) descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}

function _createClass(Constructor, protoProps, staticProps) {
  if (protoProps) _defineProperties(Constructor.prototype, protoProps);
  if (staticProps) _defineProperties(Constructor, staticProps);
  return Constructor;
}

function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
}

function _inherits(subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function");
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      writable: true,
      configurable: true
    }
  });
  if (superClass) _setPrototypeOf(subClass, superClass);
}

function _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };
  return _getPrototypeOf(o);
}

function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };

  return _setPrototypeOf(o, p);
}

function _isNativeReflectConstruct() {
  if (typeof Reflect === "undefined" || !Reflect.construct) return false;
  if (Reflect.construct.sham) return false;
  if (typeof Proxy === "function") return true;

  try {
    Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
    return true;
  } catch (e) {
    return false;
  }
}

function _construct(Parent, args, Class) {
  if (_isNativeReflectConstruct()) {
    _construct = Reflect.construct;
  } else {
    _construct = function _construct(Parent, args, Class) {
      var a = [null];
      a.push.apply(a, args);
      var Constructor = Function.bind.apply(Parent, a);
      var instance = new Constructor();
      if (Class) _setPrototypeOf(instance, Class.prototype);
      return instance;
    };
  }

  return _construct.apply(null, arguments);
}

function _assertThisInitialized(self) {
  if (self === void 0) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return self;
}

function _possibleConstructorReturn(self, call) {
  if (call && (typeof call === "object" || typeof call === "function")) {
    return call;
  }

  return _assertThisInitialized(self);
}

function _createSuper(Derived) {
  var hasNativeReflectConstruct = _isNativeReflectConstruct();

  return function _createSuperInternal() {
    var Super = _getPrototypeOf(Derived),
        result;

    if (hasNativeReflectConstruct) {
      var NewTarget = _getPrototypeOf(this).constructor;

      result = Reflect.construct(Super, arguments, NewTarget);
    } else {
      result = Super.apply(this, arguments);
    }

    return _possibleConstructorReturn(this, result);
  };
}

function _superPropBase(object, property) {
  while (!Object.prototype.hasOwnProperty.call(object, property)) {
    object = _getPrototypeOf(object);
    if (object === null) break;
  }

  return object;
}

function _get(target, property, receiver) {
  if (typeof Reflect !== "undefined" && Reflect.get) {
    _get = Reflect.get;
  } else {
    _get = function _get(target, property, receiver) {
      var base = _superPropBase(target, property);

      if (!base) return;
      var desc = Object.getOwnPropertyDescriptor(base, property);

      if (desc.get) {
        return desc.get.call(receiver);
      }

      return desc.value;
    };
  }

  return _get(target, property, receiver || target);
}

function _slicedToArray(arr, i) {
  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();
}

function _toArray(arr) {
  return _arrayWithHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableRest();
}

function _toConsumableArray(arr) {
  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
}

function _arrayWithoutHoles(arr) {
  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
}

function _arrayWithHoles(arr) {
  if (Array.isArray(arr)) return arr;
}

function _iterableToArray(iter) {
  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
}

function _iterableToArrayLimit(arr, i) {
  if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return;
  var _arr = [];
  var _n = true;
  var _d = false;
  var _e = undefined;

  try {
    for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
      _arr.push(_s.value);

      if (i && _arr.length === i) break;
    }
  } catch (err) {
    _d = true;
    _e = err;
  } finally {
    try {
      if (!_n && _i["return"] != null) _i["return"]();
    } finally {
      if (_d) throw _e;
    }
  }

  return _arr;
}

function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}

function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;

  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

  return arr2;
}

function _nonIterableSpread() {
  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}

function _nonIterableRest() {
  throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}

function _createForOfIteratorHelper(o, allowArrayLike) {
  var it;

  if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) {
    if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
      if (it) o = it;
      var i = 0;

      var F = function () {};

      return {
        s: F,
        n: function () {
          if (i >= o.length) return {
            done: true
          };
          return {
            done: false,
            value: o[i++]
          };
        },
        e: function (e) {
          throw e;
        },
        f: F
      };
    }

    throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }

  var normalCompletion = true,
      didErr = false,
      err;
  return {
    s: function () {
      it = o[Symbol.iterator]();
    },
    n: function () {
      var step = it.next();
      normalCompletion = step.done;
      return step;
    },
    e: function (e) {
      didErr = true;
      err = e;
    },
    f: function () {
      try {
        if (!normalCompletion && it.return != null) it.return();
      } finally {
        if (didErr) throw err;
      }
    }
  };
}

/*
object-assign
(c) Sindre Sorhus
@license MIT
*/
/* eslint-disable no-unused-vars */

var getOwnPropertySymbols = Object.getOwnPropertySymbols;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var propIsEnumerable = Object.prototype.propertyIsEnumerable;

function toObject(val) {
  if (val === null || val === undefined) {
    throw new TypeError('Object.assign cannot be called with null or undefined');
  }

  return Object(val);
}

function shouldUseNative() {
  try {
    if (!Object.assign) {
      return false;
    } // Detect buggy property enumeration order in older V8 versions.
    // https://bugs.chromium.org/p/v8/issues/detail?id=4118


    var test1 = new String('abc'); // eslint-disable-line no-new-wrappers

    test1[5] = 'de';

    if (Object.getOwnPropertyNames(test1)[0] === '5') {
      return false;
    } // https://bugs.chromium.org/p/v8/issues/detail?id=3056


    var test2 = {};

    for (var i = 0; i < 10; i++) {
      test2['_' + String.fromCharCode(i)] = i;
    }

    var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
      return test2[n];
    });

    if (order2.join('') !== '0123456789') {
      return false;
    } // https://bugs.chromium.org/p/v8/issues/detail?id=3056


    var test3 = {};
    'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
      test3[letter] = letter;
    });

    if (Object.keys(Object.assign({}, test3)).join('') !== 'abcdefghijklmnopqrst') {
      return false;
    }

    return true;
  } catch (err) {
    // We don't expect any of the above to throw, but better to be safe.
    return false;
  }
}

var objectAssign = shouldUseNative() ? Object.assign : function (target, source) {
  var from;
  var to = toObject(target);
  var symbols;

  for (var s = 1; s < arguments.length; s++) {
    from = Object(arguments[s]);

    for (var key in from) {
      if (hasOwnProperty.call(from, key)) {
        to[key] = from[key];
      }
    }

    if (getOwnPropertySymbols) {
      symbols = getOwnPropertySymbols(from);

      for (var i = 0; i < symbols.length; i++) {
        if (propIsEnumerable.call(from, symbols[i])) {
          to[symbols[i]] = from[symbols[i]];
        }
      }
    }
  }

  return to;
};

function C(a) {
  for (var b = "https://reactjs.org/docs/error-decoder.html?invariant=" + a, c = 1; c < arguments.length; c++) {
    b += "&args[]=" + encodeURIComponent(arguments[c]);
  }

  return "Minified React error #" + a + "; visit " + b + " for the full message or use the non-minified dev environment for full errors and additional helpful warnings.";
}

var D = {
  isMounted: function isMounted() {
    return !1;
  },
  enqueueForceUpdate: function enqueueForceUpdate() {},
  enqueueReplaceState: function enqueueReplaceState() {},
  enqueueSetState: function enqueueSetState() {}
},
    E = {};

function F(a, b, c) {
  this.props = a;
  this.context = b;
  this.refs = E;
  this.updater = c || D;
}

F.prototype.isReactComponent = {};

F.prototype.setState = function (a, b) {
  if ("object" !== _typeof$1(a) && "function" !== typeof a && null != a) throw Error(C(85));
  this.updater.enqueueSetState(this, a, b, "setState");
};

F.prototype.forceUpdate = function (a) {
  this.updater.enqueueForceUpdate(this, a, "forceUpdate");
};

function G() {}

G.prototype = F.prototype;

function H(a, b, c) {
  this.props = a;
  this.context = b;
  this.refs = E;
  this.updater = c || D;
}

var I = H.prototype = new G();
I.constructor = H;
objectAssign(I, F.prototype);
I.isPureReactComponent = !0;

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

var ReactPropTypesSecret$1 = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';
var ReactPropTypesSecret_1 = ReactPropTypesSecret$1;

var has$1 = Function.call.bind(Object.prototype.hasOwnProperty);

var printWarning$1 = function printWarning() {};

{
  var ReactPropTypesSecret = ReactPropTypesSecret_1;
  var loggedTypeFailures = {};
  var has = has$1;

  printWarning$1 = function printWarning(text) {
    var message = 'Warning: ' + text;

    if (typeof console !== 'undefined') {
      console.error(message);
    }

    try {
      // --- Welcome to debugging React ---
      // This error was thrown as a convenience so that you can use this stack
      // to find the callsite that caused this warning to fire.
      throw new Error(message);
    } catch (x) {
      /**/
    }
  };
}
/**
 * Assert that the values match with the type specs.
 * Error messages are memorized and will only be shown once.
 *
 * @param {object} typeSpecs Map of name to a ReactPropType
 * @param {object} values Runtime values that need to be type-checked
 * @param {string} location e.g. "prop", "context", "child context"
 * @param {string} componentName Name of the component for error messages.
 * @param {?Function} getStack Returns the component stack.
 * @private
 */


function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
  {
    for (var typeSpecName in typeSpecs) {
      if (has(typeSpecs, typeSpecName)) {
        var error; // Prop type validation may throw. In case they do, we don't want to
        // fail the render phase where it didn't fail before. So we log it.
        // After these have been cleaned up, we'll let them throw.

        try {
          // This is intentionally an invariant that gets caught. It's the same
          // behavior as without this statement except with a better message.
          if (typeof typeSpecs[typeSpecName] !== 'function') {
            var err = Error((componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' + 'it must be a function, usually from the `prop-types` package, but received `' + _typeof$1(typeSpecs[typeSpecName]) + '`.' + 'This often happens because of typos such as `PropTypes.function` instead of `PropTypes.func`.');
            err.name = 'Invariant Violation';
            throw err;
          }

          error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);
        } catch (ex) {
          error = ex;
        }

        if (error && !(error instanceof Error)) {
          printWarning$1((componentName || 'React class') + ': type specification of ' + location + ' `' + typeSpecName + '` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a ' + _typeof$1(error) + '. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).');
        }

        if (error instanceof Error && !(error.message in loggedTypeFailures)) {
          // Only monitor this failure once because there tends to be a lot of the
          // same error.
          loggedTypeFailures[error.message] = true;
          var stack = getStack ? getStack() : '';
          printWarning$1('Failed ' + location + ' type: ' + error.message + (stack != null ? stack : ''));
        }
      }
    }
  }
}
/**
 * Resets warning cache when testing.
 *
 * @private
 */


checkPropTypes.resetWarningCache = function () {
  {
    loggedTypeFailures = {};
  }
};

var checkPropTypes_1 = checkPropTypes;

var react_development = createCommonjsModule(function (module, exports) {

  {
    (function () {

      var _assign = objectAssign;
      var checkPropTypes = checkPropTypes_1;
      var ReactVersion = '16.14.0'; // The Symbol used to tag the ReactElement-like types. If there is no native Symbol
      // nor polyfill, then a plain number is used for performance.

      var hasSymbol = typeof Symbol === 'function' && Symbol.for;
      var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;
      var REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca;
      var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb;
      var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc;
      var REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;
      var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;
      var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary

      var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;
      var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
      var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;
      var REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8;
      var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;
      var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;
      var REACT_BLOCK_TYPE = hasSymbol ? Symbol.for('react.block') : 0xead9;
      var REACT_FUNDAMENTAL_TYPE = hasSymbol ? Symbol.for('react.fundamental') : 0xead5;
      var REACT_RESPONDER_TYPE = hasSymbol ? Symbol.for('react.responder') : 0xead6;
      var REACT_SCOPE_TYPE = hasSymbol ? Symbol.for('react.scope') : 0xead7;
      var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
      var FAUX_ITERATOR_SYMBOL = '@@iterator';

      function getIteratorFn(maybeIterable) {
        if (maybeIterable === null || _typeof$1(maybeIterable) !== 'object') {
          return null;
        }

        var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];

        if (typeof maybeIterator === 'function') {
          return maybeIterator;
        }

        return null;
      }
      /**
       * Keeps track of the current dispatcher.
       */


      var ReactCurrentDispatcher = {
        /**
         * @internal
         * @type {ReactComponent}
         */
        current: null
      };
      /**
       * Keeps track of the current batch's configuration such as how long an update
       * should suspend for if it needs to.
       */

      var ReactCurrentBatchConfig = {
        suspense: null
      };
      /**
       * Keeps track of the current owner.
       *
       * The current owner is the component who should own any components that are
       * currently being constructed.
       */

      var ReactCurrentOwner = {
        /**
         * @internal
         * @type {ReactComponent}
         */
        current: null
      };
      var BEFORE_SLASH_RE = /^(.*)[\\\/]/;

      function describeComponentFrame(name, source, ownerName) {
        var sourceInfo = '';

        if (source) {
          var path = source.fileName;
          var fileName = path.replace(BEFORE_SLASH_RE, '');
          {
            // In DEV, include code for a common special case:
            // prefer "folder/index.js" instead of just "index.js".
            if (/^index\./.test(fileName)) {
              var match = path.match(BEFORE_SLASH_RE);

              if (match) {
                var pathBeforeSlash = match[1];

                if (pathBeforeSlash) {
                  var folderName = pathBeforeSlash.replace(BEFORE_SLASH_RE, '');
                  fileName = folderName + '/' + fileName;
                }
              }
            }
          }
          sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')';
        } else if (ownerName) {
          sourceInfo = ' (created by ' + ownerName + ')';
        }

        return '\n    in ' + (name || 'Unknown') + sourceInfo;
      }

      var Resolved = 1;

      function refineResolvedLazyComponent(lazyComponent) {
        return lazyComponent._status === Resolved ? lazyComponent._result : null;
      }

      function getWrappedName(outerType, innerType, wrapperName) {
        var functionName = innerType.displayName || innerType.name || '';
        return outerType.displayName || (functionName !== '' ? wrapperName + "(" + functionName + ")" : wrapperName);
      }

      function getComponentName(type) {
        if (type == null) {
          // Host root, text node or just invalid type.
          return null;
        }

        {
          if (typeof type.tag === 'number') {
            error('Received an unexpected object in getComponentName(). ' + 'This is likely a bug in React. Please file an issue.');
          }
        }

        if (typeof type === 'function') {
          return type.displayName || type.name || null;
        }

        if (typeof type === 'string') {
          return type;
        }

        switch (type) {
          case REACT_FRAGMENT_TYPE:
            return 'Fragment';

          case REACT_PORTAL_TYPE:
            return 'Portal';

          case REACT_PROFILER_TYPE:
            return "Profiler";

          case REACT_STRICT_MODE_TYPE:
            return 'StrictMode';

          case REACT_SUSPENSE_TYPE:
            return 'Suspense';

          case REACT_SUSPENSE_LIST_TYPE:
            return 'SuspenseList';
        }

        if (_typeof$1(type) === 'object') {
          switch (type.$$typeof) {
            case REACT_CONTEXT_TYPE:
              return 'Context.Consumer';

            case REACT_PROVIDER_TYPE:
              return 'Context.Provider';

            case REACT_FORWARD_REF_TYPE:
              return getWrappedName(type, type.render, 'ForwardRef');

            case REACT_MEMO_TYPE:
              return getComponentName(type.type);

            case REACT_BLOCK_TYPE:
              return getComponentName(type.render);

            case REACT_LAZY_TYPE:
              {
                var thenable = type;
                var resolvedThenable = refineResolvedLazyComponent(thenable);

                if (resolvedThenable) {
                  return getComponentName(resolvedThenable);
                }

                break;
              }
          }
        }

        return null;
      }

      var ReactDebugCurrentFrame = {};
      var currentlyValidatingElement = null;

      function setCurrentlyValidatingElement(element) {
        {
          currentlyValidatingElement = element;
        }
      }

      {
        // Stack implementation injected by the current renderer.
        ReactDebugCurrentFrame.getCurrentStack = null;

        ReactDebugCurrentFrame.getStackAddendum = function () {
          var stack = ''; // Add an extra top frame while an element is being validated

          if (currentlyValidatingElement) {
            var name = getComponentName(currentlyValidatingElement.type);
            var owner = currentlyValidatingElement._owner;
            stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner.type));
          } // Delegate to the injected renderer-specific implementation


          var impl = ReactDebugCurrentFrame.getCurrentStack;

          if (impl) {
            stack += impl() || '';
          }

          return stack;
        };
      }
      /**
       * Used by act() to track whether you're inside an act() scope.
       */

      var IsSomeRendererActing = {
        current: false
      };
      var ReactSharedInternals = {
        ReactCurrentDispatcher: ReactCurrentDispatcher,
        ReactCurrentBatchConfig: ReactCurrentBatchConfig,
        ReactCurrentOwner: ReactCurrentOwner,
        IsSomeRendererActing: IsSomeRendererActing,
        // Used by renderers to avoid bundling object-assign twice in UMD bundles:
        assign: _assign
      };
      {
        _assign(ReactSharedInternals, {
          // These should not be included in production.
          ReactDebugCurrentFrame: ReactDebugCurrentFrame,
          // Shim for React DOM 16.0.0 which still destructured (but not used) this.
          // TODO: remove in React 17.0.
          ReactComponentTreeHook: {}
        });
      } // by calls to these methods by a Babel plugin.
      //
      // In PROD (or in packages without access to React internals),
      // they are left as they are instead.

      function warn(format) {
        {
          for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
            args[_key - 1] = arguments[_key];
          }

          printWarning('warn', format, args);
        }
      }

      function error(format) {
        {
          for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
            args[_key2 - 1] = arguments[_key2];
          }

          printWarning('error', format, args);
        }
      }

      function printWarning(level, format, args) {
        // When changing this logic, you might want to also
        // update consoleWithStackDev.www.js as well.
        {
          var hasExistingStack = args.length > 0 && typeof args[args.length - 1] === 'string' && args[args.length - 1].indexOf('\n    in') === 0;

          if (!hasExistingStack) {
            var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;
            var stack = ReactDebugCurrentFrame.getStackAddendum();

            if (stack !== '') {
              format += '%s';
              args = args.concat([stack]);
            }
          }

          var argsWithFormat = args.map(function (item) {
            return '' + item;
          }); // Careful: RN currently depends on this prefix

          argsWithFormat.unshift('Warning: ' + format); // We intentionally don't use spread (or .apply) directly because it
          // breaks IE9: https://github.com/facebook/react/issues/13610
          // eslint-disable-next-line react-internal/no-production-logging

          Function.prototype.apply.call(console[level], console, argsWithFormat);

          try {
            // --- Welcome to debugging React ---
            // This error was thrown as a convenience so that you can use this stack
            // to find the callsite that caused this warning to fire.
            var argIndex = 0;
            var message = 'Warning: ' + format.replace(/%s/g, function () {
              return args[argIndex++];
            });
            throw new Error(message);
          } catch (x) {}
        }
      }

      var didWarnStateUpdateForUnmountedComponent = {};

      function warnNoop(publicInstance, callerName) {
        {
          var _constructor = publicInstance.constructor;
          var componentName = _constructor && (_constructor.displayName || _constructor.name) || 'ReactClass';
          var warningKey = componentName + "." + callerName;

          if (didWarnStateUpdateForUnmountedComponent[warningKey]) {
            return;
          }

          error("Can't call %s on a component that is not yet mounted. " + 'This is a no-op, but it might indicate a bug in your application. ' + 'Instead, assign to `this.state` directly or define a `state = {};` ' + 'class property with the desired state in the %s component.', callerName, componentName);
          didWarnStateUpdateForUnmountedComponent[warningKey] = true;
        }
      }
      /**
       * This is the abstract API for an update queue.
       */


      var ReactNoopUpdateQueue = {
        /**
         * Checks whether or not this composite component is mounted.
         * @param {ReactClass} publicInstance The instance we want to test.
         * @return {boolean} True if mounted, false otherwise.
         * @protected
         * @final
         */
        isMounted: function isMounted(publicInstance) {
          return false;
        },

        /**
         * Forces an update. This should only be invoked when it is known with
         * certainty that we are **not** in a DOM transaction.
         *
         * You may want to call this when you know that some deeper aspect of the
         * component's state has changed but `setState` was not called.
         *
         * This will not invoke `shouldComponentUpdate`, but it will invoke
         * `componentWillUpdate` and `componentDidUpdate`.
         *
         * @param {ReactClass} publicInstance The instance that should rerender.
         * @param {?function} callback Called after component is updated.
         * @param {?string} callerName name of the calling function in the public API.
         * @internal
         */
        enqueueForceUpdate: function enqueueForceUpdate(publicInstance, callback, callerName) {
          warnNoop(publicInstance, 'forceUpdate');
        },

        /**
         * Replaces all of the state. Always use this or `setState` to mutate state.
         * You should treat `this.state` as immutable.
         *
         * There is no guarantee that `this.state` will be immediately updated, so
         * accessing `this.state` after calling this method may return the old value.
         *
         * @param {ReactClass} publicInstance The instance that should rerender.
         * @param {object} completeState Next state.
         * @param {?function} callback Called after component is updated.
         * @param {?string} callerName name of the calling function in the public API.
         * @internal
         */
        enqueueReplaceState: function enqueueReplaceState(publicInstance, completeState, callback, callerName) {
          warnNoop(publicInstance, 'replaceState');
        },

        /**
         * Sets a subset of the state. This only exists because _pendingState is
         * internal. This provides a merging strategy that is not available to deep
         * properties which is confusing. TODO: Expose pendingState or don't use it
         * during the merge.
         *
         * @param {ReactClass} publicInstance The instance that should rerender.
         * @param {object} partialState Next partial state to be merged with state.
         * @param {?function} callback Called after component is updated.
         * @param {?string} Name of the calling function in the public API.
         * @internal
         */
        enqueueSetState: function enqueueSetState(publicInstance, partialState, callback, callerName) {
          warnNoop(publicInstance, 'setState');
        }
      };
      var emptyObject = {};
      {
        Object.freeze(emptyObject);
      }
      /**
       * Base class helpers for the updating state of a component.
       */

      function Component(props, context, updater) {
        this.props = props;
        this.context = context; // If a component has string refs, we will assign a different object later.

        this.refs = emptyObject; // We initialize the default updater but the real one gets injected by the
        // renderer.

        this.updater = updater || ReactNoopUpdateQueue;
      }

      Component.prototype.isReactComponent = {};
      /**
       * Sets a subset of the state. Always use this to mutate
       * state. You should treat `this.state` as immutable.
       *
       * There is no guarantee that `this.state` will be immediately updated, so
       * accessing `this.state` after calling this method may return the old value.
       *
       * There is no guarantee that calls to `setState` will run synchronously,
       * as they may eventually be batched together.  You can provide an optional
       * callback that will be executed when the call to setState is actually
       * completed.
       *
       * When a function is provided to setState, it will be called at some point in
       * the future (not synchronously). It will be called with the up to date
       * component arguments (state, props, context). These values can be different
       * from this.* because your function may be called after receiveProps but before
       * shouldComponentUpdate, and this new state, props, and context will not yet be
       * assigned to this.
       *
       * @param {object|function} partialState Next partial state or function to
       *        produce next partial state to be merged with current state.
       * @param {?function} callback Called after state is updated.
       * @final
       * @protected
       */

      Component.prototype.setState = function (partialState, callback) {
        if (!(_typeof$1(partialState) === 'object' || typeof partialState === 'function' || partialState == null)) {
          {
            throw Error("setState(...): takes an object of state variables to update or a function which returns an object of state variables.");
          }
        }

        this.updater.enqueueSetState(this, partialState, callback, 'setState');
      };
      /**
       * Forces an update. This should only be invoked when it is known with
       * certainty that we are **not** in a DOM transaction.
       *
       * You may want to call this when you know that some deeper aspect of the
       * component's state has changed but `setState` was not called.
       *
       * This will not invoke `shouldComponentUpdate`, but it will invoke
       * `componentWillUpdate` and `componentDidUpdate`.
       *
       * @param {?function} callback Called after update is complete.
       * @final
       * @protected
       */


      Component.prototype.forceUpdate = function (callback) {
        this.updater.enqueueForceUpdate(this, callback, 'forceUpdate');
      };
      /**
       * Deprecated APIs. These APIs used to exist on classic React classes but since
       * we would like to deprecate them, we're not going to move them over to this
       * modern base class. Instead, we define a getter that warns if it's accessed.
       */


      {
        var deprecatedAPIs = {
          isMounted: ['isMounted', 'Instead, make sure to clean up subscriptions and pending requests in ' + 'componentWillUnmount to prevent memory leaks.'],
          replaceState: ['replaceState', 'Refactor your code to use setState instead (see ' + 'https://github.com/facebook/react/issues/3236).']
        };

        var defineDeprecationWarning = function defineDeprecationWarning(methodName, info) {
          Object.defineProperty(Component.prototype, methodName, {
            get: function get() {
              warn('%s(...) is deprecated in plain JavaScript React classes. %s', info[0], info[1]);
              return undefined;
            }
          });
        };

        for (var fnName in deprecatedAPIs) {
          if (deprecatedAPIs.hasOwnProperty(fnName)) {
            defineDeprecationWarning(fnName, deprecatedAPIs[fnName]);
          }
        }
      }

      function ComponentDummy() {}

      ComponentDummy.prototype = Component.prototype;
      /**
       * Convenience component with default shallow equality check for sCU.
       */

      function PureComponent(props, context, updater) {
        this.props = props;
        this.context = context; // If a component has string refs, we will assign a different object later.

        this.refs = emptyObject;
        this.updater = updater || ReactNoopUpdateQueue;
      }

      var pureComponentPrototype = PureComponent.prototype = new ComponentDummy();
      pureComponentPrototype.constructor = PureComponent; // Avoid an extra prototype jump for these methods.

      _assign(pureComponentPrototype, Component.prototype);

      pureComponentPrototype.isPureReactComponent = true; // an immutable object with a single mutable value

      function createRef() {
        var refObject = {
          current: null
        };
        {
          Object.seal(refObject);
        }
        return refObject;
      }

      var hasOwnProperty = Object.prototype.hasOwnProperty;
      var RESERVED_PROPS = {
        key: true,
        ref: true,
        __self: true,
        __source: true
      };
      var specialPropKeyWarningShown, specialPropRefWarningShown, didWarnAboutStringRefs;
      {
        didWarnAboutStringRefs = {};
      }

      function hasValidRef(config) {
        {
          if (hasOwnProperty.call(config, 'ref')) {
            var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;

            if (getter && getter.isReactWarning) {
              return false;
            }
          }
        }
        return config.ref !== undefined;
      }

      function hasValidKey(config) {
        {
          if (hasOwnProperty.call(config, 'key')) {
            var getter = Object.getOwnPropertyDescriptor(config, 'key').get;

            if (getter && getter.isReactWarning) {
              return false;
            }
          }
        }
        return config.key !== undefined;
      }

      function defineKeyPropWarningGetter(props, displayName) {
        var warnAboutAccessingKey = function warnAboutAccessingKey() {
          {
            if (!specialPropKeyWarningShown) {
              specialPropKeyWarningShown = true;
              error('%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
            }
          }
        };

        warnAboutAccessingKey.isReactWarning = true;
        Object.defineProperty(props, 'key', {
          get: warnAboutAccessingKey,
          configurable: true
        });
      }

      function defineRefPropWarningGetter(props, displayName) {
        var warnAboutAccessingRef = function warnAboutAccessingRef() {
          {
            if (!specialPropRefWarningShown) {
              specialPropRefWarningShown = true;
              error('%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
            }
          }
        };

        warnAboutAccessingRef.isReactWarning = true;
        Object.defineProperty(props, 'ref', {
          get: warnAboutAccessingRef,
          configurable: true
        });
      }

      function warnIfStringRefCannotBeAutoConverted(config) {
        {
          if (typeof config.ref === 'string' && ReactCurrentOwner.current && config.__self && ReactCurrentOwner.current.stateNode !== config.__self) {
            var componentName = getComponentName(ReactCurrentOwner.current.type);

            if (!didWarnAboutStringRefs[componentName]) {
              error('Component "%s" contains the string ref "%s". ' + 'Support for string refs will be removed in a future major release. ' + 'This case cannot be automatically converted to an arrow function. ' + 'We ask you to manually fix this case by using useRef() or createRef() instead. ' + 'Learn more about using refs safely here: ' + 'https://fb.me/react-strict-mode-string-ref', getComponentName(ReactCurrentOwner.current.type), config.ref);
              didWarnAboutStringRefs[componentName] = true;
            }
          }
        }
      }
      /**
       * Factory method to create a new React element. This no longer adheres to
       * the class pattern, so do not use new to call it. Also, instanceof check
       * will not work. Instead test $$typeof field against Symbol.for('react.element') to check
       * if something is a React Element.
       *
       * @param {*} type
       * @param {*} props
       * @param {*} key
       * @param {string|object} ref
       * @param {*} owner
       * @param {*} self A *temporary* helper to detect places where `this` is
       * different from the `owner` when React.createElement is called, so that we
       * can warn. We want to get rid of owner and replace string `ref`s with arrow
       * functions, and as long as `this` and owner are the same, there will be no
       * change in behavior.
       * @param {*} source An annotation object (added by a transpiler or otherwise)
       * indicating filename, line number, and/or other information.
       * @internal
       */


      var ReactElement = function ReactElement(type, key, ref, self, source, owner, props) {
        var element = {
          // This tag allows us to uniquely identify this as a React Element
          $$typeof: REACT_ELEMENT_TYPE,
          // Built-in properties that belong on the element
          type: type,
          key: key,
          ref: ref,
          props: props,
          // Record the component responsible for creating this element.
          _owner: owner
        };
        {
          // The validation flag is currently mutative. We put it on
          // an external backing store so that we can freeze the whole object.
          // This can be replaced with a WeakMap once they are implemented in
          // commonly used development environments.
          element._store = {}; // To make comparing ReactElements easier for testing purposes, we make
          // the validation flag non-enumerable (where possible, which should
          // include every environment we run tests in), so the test framework
          // ignores it.

          Object.defineProperty(element._store, 'validated', {
            configurable: false,
            enumerable: false,
            writable: true,
            value: false
          }); // self and source are DEV only properties.

          Object.defineProperty(element, '_self', {
            configurable: false,
            enumerable: false,
            writable: false,
            value: self
          }); // Two elements created in two different places should be considered
          // equal for testing purposes and therefore we hide it from enumeration.

          Object.defineProperty(element, '_source', {
            configurable: false,
            enumerable: false,
            writable: false,
            value: source
          });

          if (Object.freeze) {
            Object.freeze(element.props);
            Object.freeze(element);
          }
        }
        return element;
      };
      /**
       * Create and return a new ReactElement of the given type.
       * See https://reactjs.org/docs/react-api.html#createelement
       */


      function createElement(type, config, children) {
        var propName; // Reserved names are extracted

        var props = {};
        var key = null;
        var ref = null;
        var self = null;
        var source = null;

        if (config != null) {
          if (hasValidRef(config)) {
            ref = config.ref;
            {
              warnIfStringRefCannotBeAutoConverted(config);
            }
          }

          if (hasValidKey(config)) {
            key = '' + config.key;
          }

          self = config.__self === undefined ? null : config.__self;
          source = config.__source === undefined ? null : config.__source; // Remaining properties are added to a new props object

          for (propName in config) {
            if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {
              props[propName] = config[propName];
            }
          }
        } // Children can be more than one argument, and those are transferred onto
        // the newly allocated props object.


        var childrenLength = arguments.length - 2;

        if (childrenLength === 1) {
          props.children = children;
        } else if (childrenLength > 1) {
          var childArray = Array(childrenLength);

          for (var i = 0; i < childrenLength; i++) {
            childArray[i] = arguments[i + 2];
          }

          {
            if (Object.freeze) {
              Object.freeze(childArray);
            }
          }
          props.children = childArray;
        } // Resolve default props


        if (type && type.defaultProps) {
          var defaultProps = type.defaultProps;

          for (propName in defaultProps) {
            if (props[propName] === undefined) {
              props[propName] = defaultProps[propName];
            }
          }
        }

        {
          if (key || ref) {
            var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type;

            if (key) {
              defineKeyPropWarningGetter(props, displayName);
            }

            if (ref) {
              defineRefPropWarningGetter(props, displayName);
            }
          }
        }
        return ReactElement(type, key, ref, self, source, ReactCurrentOwner.current, props);
      }

      function cloneAndReplaceKey(oldElement, newKey) {
        var newElement = ReactElement(oldElement.type, newKey, oldElement.ref, oldElement._self, oldElement._source, oldElement._owner, oldElement.props);
        return newElement;
      }
      /**
       * Clone and return a new ReactElement using element as the starting point.
       * See https://reactjs.org/docs/react-api.html#cloneelement
       */


      function cloneElement(element, config, children) {
        if (!!(element === null || element === undefined)) {
          {
            throw Error("React.cloneElement(...): The argument must be a React element, but you passed " + element + ".");
          }
        }

        var propName; // Original props are copied

        var props = _assign({}, element.props); // Reserved names are extracted


        var key = element.key;
        var ref = element.ref; // Self is preserved since the owner is preserved.

        var self = element._self; // Source is preserved since cloneElement is unlikely to be targeted by a
        // transpiler, and the original source is probably a better indicator of the
        // true owner.

        var source = element._source; // Owner will be preserved, unless ref is overridden

        var owner = element._owner;

        if (config != null) {
          if (hasValidRef(config)) {
            // Silently steal the ref from the parent.
            ref = config.ref;
            owner = ReactCurrentOwner.current;
          }

          if (hasValidKey(config)) {
            key = '' + config.key;
          } // Remaining properties override existing props


          var defaultProps;

          if (element.type && element.type.defaultProps) {
            defaultProps = element.type.defaultProps;
          }

          for (propName in config) {
            if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {
              if (config[propName] === undefined && defaultProps !== undefined) {
                // Resolve default props
                props[propName] = defaultProps[propName];
              } else {
                props[propName] = config[propName];
              }
            }
          }
        } // Children can be more than one argument, and those are transferred onto
        // the newly allocated props object.


        var childrenLength = arguments.length - 2;

        if (childrenLength === 1) {
          props.children = children;
        } else if (childrenLength > 1) {
          var childArray = Array(childrenLength);

          for (var i = 0; i < childrenLength; i++) {
            childArray[i] = arguments[i + 2];
          }

          props.children = childArray;
        }

        return ReactElement(element.type, key, ref, self, source, owner, props);
      }
      /**
       * Verifies the object is a ReactElement.
       * See https://reactjs.org/docs/react-api.html#isvalidelement
       * @param {?object} object
       * @return {boolean} True if `object` is a ReactElement.
       * @final
       */


      function isValidElement(object) {
        return _typeof$1(object) === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
      }

      var SEPARATOR = '.';
      var SUBSEPARATOR = ':';
      /**
       * Escape and wrap key so it is safe to use as a reactid
       *
       * @param {string} key to be escaped.
       * @return {string} the escaped key.
       */

      function escape(key) {
        var escapeRegex = /[=:]/g;
        var escaperLookup = {
          '=': '=0',
          ':': '=2'
        };
        var escapedString = ('' + key).replace(escapeRegex, function (match) {
          return escaperLookup[match];
        });
        return '$' + escapedString;
      }
      /**
       * TODO: Test that a single child and an array with one item have the same key
       * pattern.
       */


      var didWarnAboutMaps = false;
      var userProvidedKeyEscapeRegex = /\/+/g;

      function escapeUserProvidedKey(text) {
        return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/');
      }

      var POOL_SIZE = 10;
      var traverseContextPool = [];

      function getPooledTraverseContext(mapResult, keyPrefix, mapFunction, mapContext) {
        if (traverseContextPool.length) {
          var traverseContext = traverseContextPool.pop();
          traverseContext.result = mapResult;
          traverseContext.keyPrefix = keyPrefix;
          traverseContext.func = mapFunction;
          traverseContext.context = mapContext;
          traverseContext.count = 0;
          return traverseContext;
        } else {
          return {
            result: mapResult,
            keyPrefix: keyPrefix,
            func: mapFunction,
            context: mapContext,
            count: 0
          };
        }
      }

      function releaseTraverseContext(traverseContext) {
        traverseContext.result = null;
        traverseContext.keyPrefix = null;
        traverseContext.func = null;
        traverseContext.context = null;
        traverseContext.count = 0;

        if (traverseContextPool.length < POOL_SIZE) {
          traverseContextPool.push(traverseContext);
        }
      }
      /**
       * @param {?*} children Children tree container.
       * @param {!string} nameSoFar Name of the key path so far.
       * @param {!function} callback Callback to invoke with each child found.
       * @param {?*} traverseContext Used to pass information throughout the traversal
       * process.
       * @return {!number} The number of children in this subtree.
       */


      function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext) {
        var type = _typeof$1(children);

        if (type === 'undefined' || type === 'boolean') {
          // All of the above are perceived as null.
          children = null;
        }

        var invokeCallback = false;

        if (children === null) {
          invokeCallback = true;
        } else {
          switch (type) {
            case 'string':
            case 'number':
              invokeCallback = true;
              break;

            case 'object':
              switch (children.$$typeof) {
                case REACT_ELEMENT_TYPE:
                case REACT_PORTAL_TYPE:
                  invokeCallback = true;
              }

          }
        }

        if (invokeCallback) {
          callback(traverseContext, children, // If it's the only child, treat the name as if it was wrapped in an array
          // so that it's consistent if the number of children grows.
          nameSoFar === '' ? SEPARATOR + getComponentKey(children, 0) : nameSoFar);
          return 1;
        }

        var child;
        var nextName;
        var subtreeCount = 0; // Count of children found in the current subtree.

        var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;

        if (Array.isArray(children)) {
          for (var i = 0; i < children.length; i++) {
            child = children[i];
            nextName = nextNamePrefix + getComponentKey(child, i);
            subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);
          }
        } else {
          var iteratorFn = getIteratorFn(children);

          if (typeof iteratorFn === 'function') {
            {
              // Warn about using Maps as children
              if (iteratorFn === children.entries) {
                if (!didWarnAboutMaps) {
                  warn('Using Maps as children is deprecated and will be removed in ' + 'a future major release. Consider converting children to ' + 'an array of keyed ReactElements instead.');
                }

                didWarnAboutMaps = true;
              }
            }
            var iterator = iteratorFn.call(children);
            var step;
            var ii = 0;

            while (!(step = iterator.next()).done) {
              child = step.value;
              nextName = nextNamePrefix + getComponentKey(child, ii++);
              subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);
            }
          } else if (type === 'object') {
            var addendum = '';
            {
              addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + ReactDebugCurrentFrame.getStackAddendum();
            }
            var childrenString = '' + children;
            {
              {
                throw Error("Objects are not valid as a React child (found: " + (childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString) + ")." + addendum);
              }
            }
          }
        }

        return subtreeCount;
      }
      /**
       * Traverses children that are typically specified as `props.children`, but
       * might also be specified through attributes:
       *
       * - `traverseAllChildren(this.props.children, ...)`
       * - `traverseAllChildren(this.props.leftPanelChildren, ...)`
       *
       * The `traverseContext` is an optional argument that is passed through the
       * entire traversal. It can be used to store accumulations or anything else that
       * the callback might find relevant.
       *
       * @param {?*} children Children tree object.
       * @param {!function} callback To invoke upon traversing each child.
       * @param {?*} traverseContext Context for traversal.
       * @return {!number} The number of children in this subtree.
       */


      function traverseAllChildren(children, callback, traverseContext) {
        if (children == null) {
          return 0;
        }

        return traverseAllChildrenImpl(children, '', callback, traverseContext);
      }
      /**
       * Generate a key string that identifies a component within a set.
       *
       * @param {*} component A component that could contain a manual key.
       * @param {number} index Index that is used if a manual key is not provided.
       * @return {string}
       */


      function getComponentKey(component, index) {
        // Do some typechecking here since we call this blindly. We want to ensure
        // that we don't block potential future ES APIs.
        if (_typeof$1(component) === 'object' && component !== null && component.key != null) {
          // Explicit key
          return escape(component.key);
        } // Implicit key determined by the index in the set


        return index.toString(36);
      }

      function forEachSingleChild(bookKeeping, child, name) {
        var func = bookKeeping.func,
            context = bookKeeping.context;
        func.call(context, child, bookKeeping.count++);
      }
      /**
       * Iterates through children that are typically specified as `props.children`.
       *
       * See https://reactjs.org/docs/react-api.html#reactchildrenforeach
       *
       * The provided forEachFunc(child, index) will be called for each
       * leaf child.
       *
       * @param {?*} children Children tree container.
       * @param {function(*, int)} forEachFunc
       * @param {*} forEachContext Context for forEachContext.
       */


      function forEachChildren(children, forEachFunc, forEachContext) {
        if (children == null) {
          return children;
        }

        var traverseContext = getPooledTraverseContext(null, null, forEachFunc, forEachContext);
        traverseAllChildren(children, forEachSingleChild, traverseContext);
        releaseTraverseContext(traverseContext);
      }

      function mapSingleChildIntoContext(bookKeeping, child, childKey) {
        var result = bookKeeping.result,
            keyPrefix = bookKeeping.keyPrefix,
            func = bookKeeping.func,
            context = bookKeeping.context;
        var mappedChild = func.call(context, child, bookKeeping.count++);

        if (Array.isArray(mappedChild)) {
          mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, function (c) {
            return c;
          });
        } else if (mappedChild != null) {
          if (isValidElement(mappedChild)) {
            mappedChild = cloneAndReplaceKey(mappedChild, // Keep both the (mapped) and old keys if they differ, just as
            // traverseAllChildren used to do for objects as children
            keyPrefix + (mappedChild.key && (!child || child.key !== mappedChild.key) ? escapeUserProvidedKey(mappedChild.key) + '/' : '') + childKey);
          }

          result.push(mappedChild);
        }
      }

      function mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) {
        var escapedPrefix = '';

        if (prefix != null) {
          escapedPrefix = escapeUserProvidedKey(prefix) + '/';
        }

        var traverseContext = getPooledTraverseContext(array, escapedPrefix, func, context);
        traverseAllChildren(children, mapSingleChildIntoContext, traverseContext);
        releaseTraverseContext(traverseContext);
      }
      /**
       * Maps children that are typically specified as `props.children`.
       *
       * See https://reactjs.org/docs/react-api.html#reactchildrenmap
       *
       * The provided mapFunction(child, key, index) will be called for each
       * leaf child.
       *
       * @param {?*} children Children tree container.
       * @param {function(*, int)} func The map function.
       * @param {*} context Context for mapFunction.
       * @return {object} Object containing the ordered map of results.
       */


      function mapChildren(children, func, context) {
        if (children == null) {
          return children;
        }

        var result = [];
        mapIntoWithKeyPrefixInternal(children, result, null, func, context);
        return result;
      }
      /**
       * Count the number of children that are typically specified as
       * `props.children`.
       *
       * See https://reactjs.org/docs/react-api.html#reactchildrencount
       *
       * @param {?*} children Children tree container.
       * @return {number} The number of children.
       */


      function countChildren(children) {
        return traverseAllChildren(children, function () {
          return null;
        }, null);
      }
      /**
       * Flatten a children object (typically specified as `props.children`) and
       * return an array with appropriately re-keyed children.
       *
       * See https://reactjs.org/docs/react-api.html#reactchildrentoarray
       */


      function toArray(children) {
        var result = [];
        mapIntoWithKeyPrefixInternal(children, result, null, function (child) {
          return child;
        });
        return result;
      }
      /**
       * Returns the first child in a collection of children and verifies that there
       * is only one child in the collection.
       *
       * See https://reactjs.org/docs/react-api.html#reactchildrenonly
       *
       * The current implementation of this function assumes that a single child gets
       * passed without a wrapper, but the purpose of this helper function is to
       * abstract away the particular structure of children.
       *
       * @param {?object} children Child collection structure.
       * @return {ReactElement} The first and only `ReactElement` contained in the
       * structure.
       */


      function onlyChild(children) {
        if (!isValidElement(children)) {
          {
            throw Error("React.Children.only expected to receive a single React element child.");
          }
        }

        return children;
      }

      function createContext(defaultValue, calculateChangedBits) {
        if (calculateChangedBits === undefined) {
          calculateChangedBits = null;
        } else {
          {
            if (calculateChangedBits !== null && typeof calculateChangedBits !== 'function') {
              error('createContext: Expected the optional second argument to be a ' + 'function. Instead received: %s', calculateChangedBits);
            }
          }
        }

        var context = {
          $$typeof: REACT_CONTEXT_TYPE,
          _calculateChangedBits: calculateChangedBits,
          // As a workaround to support multiple concurrent renderers, we categorize
          // some renderers as primary and others as secondary. We only expect
          // there to be two concurrent renderers at most: React Native (primary) and
          // Fabric (secondary); React DOM (primary) and React ART (secondary).
          // Secondary renderers store their context values on separate fields.
          _currentValue: defaultValue,
          _currentValue2: defaultValue,
          // Used to track how many concurrent renderers this context currently
          // supports within in a single renderer. Such as parallel server rendering.
          _threadCount: 0,
          // These are circular
          Provider: null,
          Consumer: null
        };
        context.Provider = {
          $$typeof: REACT_PROVIDER_TYPE,
          _context: context
        };
        var hasWarnedAboutUsingNestedContextConsumers = false;
        var hasWarnedAboutUsingConsumerProvider = false;
        {
          // A separate object, but proxies back to the original context object for
          // backwards compatibility. It has a different $$typeof, so we can properly
          // warn for the incorrect usage of Context as a Consumer.
          var Consumer = {
            $$typeof: REACT_CONTEXT_TYPE,
            _context: context,
            _calculateChangedBits: context._calculateChangedBits
          }; // $FlowFixMe: Flow complains about not setting a value, which is intentional here

          Object.defineProperties(Consumer, {
            Provider: {
              get: function get() {
                if (!hasWarnedAboutUsingConsumerProvider) {
                  hasWarnedAboutUsingConsumerProvider = true;
                  error('Rendering <Context.Consumer.Provider> is not supported and will be removed in ' + 'a future major release. Did you mean to render <Context.Provider> instead?');
                }

                return context.Provider;
              },
              set: function set(_Provider) {
                context.Provider = _Provider;
              }
            },
            _currentValue: {
              get: function get() {
                return context._currentValue;
              },
              set: function set(_currentValue) {
                context._currentValue = _currentValue;
              }
            },
            _currentValue2: {
              get: function get() {
                return context._currentValue2;
              },
              set: function set(_currentValue2) {
                context._currentValue2 = _currentValue2;
              }
            },
            _threadCount: {
              get: function get() {
                return context._threadCount;
              },
              set: function set(_threadCount) {
                context._threadCount = _threadCount;
              }
            },
            Consumer: {
              get: function get() {
                if (!hasWarnedAboutUsingNestedContextConsumers) {
                  hasWarnedAboutUsingNestedContextConsumers = true;
                  error('Rendering <Context.Consumer.Consumer> is not supported and will be removed in ' + 'a future major release. Did you mean to render <Context.Consumer> instead?');
                }

                return context.Consumer;
              }
            }
          }); // $FlowFixMe: Flow complains about missing properties because it doesn't understand defineProperty

          context.Consumer = Consumer;
        }
        {
          context._currentRenderer = null;
          context._currentRenderer2 = null;
        }
        return context;
      }

      function lazy(ctor) {
        var lazyType = {
          $$typeof: REACT_LAZY_TYPE,
          _ctor: ctor,
          // React uses these fields to store the result.
          _status: -1,
          _result: null
        };
        {
          // In production, this would just set it on the object.
          var defaultProps;
          var propTypes;
          Object.defineProperties(lazyType, {
            defaultProps: {
              configurable: true,
              get: function get() {
                return defaultProps;
              },
              set: function set(newDefaultProps) {
                error('React.lazy(...): It is not supported to assign `defaultProps` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.');
                defaultProps = newDefaultProps; // Match production behavior more closely:

                Object.defineProperty(lazyType, 'defaultProps', {
                  enumerable: true
                });
              }
            },
            propTypes: {
              configurable: true,
              get: function get() {
                return propTypes;
              },
              set: function set(newPropTypes) {
                error('React.lazy(...): It is not supported to assign `propTypes` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.');
                propTypes = newPropTypes; // Match production behavior more closely:

                Object.defineProperty(lazyType, 'propTypes', {
                  enumerable: true
                });
              }
            }
          });
        }
        return lazyType;
      }

      function forwardRef(render) {
        {
          if (render != null && render.$$typeof === REACT_MEMO_TYPE) {
            error('forwardRef requires a render function but received a `memo` ' + 'component. Instead of forwardRef(memo(...)), use ' + 'memo(forwardRef(...)).');
          } else if (typeof render !== 'function') {
            error('forwardRef requires a render function but was given %s.', render === null ? 'null' : _typeof$1(render));
          } else {
            if (render.length !== 0 && render.length !== 2) {
              error('forwardRef render functions accept exactly two parameters: props and ref. %s', render.length === 1 ? 'Did you forget to use the ref parameter?' : 'Any additional parameter will be undefined.');
            }
          }

          if (render != null) {
            if (render.defaultProps != null || render.propTypes != null) {
              error('forwardRef render functions do not support propTypes or defaultProps. ' + 'Did you accidentally pass a React component?');
            }
          }
        }
        return {
          $$typeof: REACT_FORWARD_REF_TYPE,
          render: render
        };
      }

      function isValidElementType(type) {
        return typeof type === 'string' || typeof type === 'function' || // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.
        type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || _typeof$1(type) === 'object' && type !== null && (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_RESPONDER_TYPE || type.$$typeof === REACT_SCOPE_TYPE || type.$$typeof === REACT_BLOCK_TYPE);
      }

      function memo(type, compare) {
        {
          if (!isValidElementType(type)) {
            error('memo: The first argument must be a component. Instead ' + 'received: %s', type === null ? 'null' : _typeof$1(type));
          }
        }
        return {
          $$typeof: REACT_MEMO_TYPE,
          type: type,
          compare: compare === undefined ? null : compare
        };
      }

      function resolveDispatcher() {
        var dispatcher = ReactCurrentDispatcher.current;

        if (!(dispatcher !== null)) {
          {
            throw Error("Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for one of the following reasons:\n1. You might have mismatching versions of React and the renderer (such as React DOM)\n2. You might be breaking the Rules of Hooks\n3. You might have more than one copy of React in the same app\nSee https://fb.me/react-invalid-hook-call for tips about how to debug and fix this problem.");
          }
        }

        return dispatcher;
      }

      function useContext(Context, unstable_observedBits) {
        var dispatcher = resolveDispatcher();
        {
          if (unstable_observedBits !== undefined) {
            error('useContext() second argument is reserved for future ' + 'use in React. Passing it is not supported. ' + 'You passed: %s.%s', unstable_observedBits, typeof unstable_observedBits === 'number' && Array.isArray(arguments[2]) ? '\n\nDid you call array.map(useContext)? ' + 'Calling Hooks inside a loop is not supported. ' + 'Learn more at https://fb.me/rules-of-hooks' : '');
          } // TODO: add a more generic warning for invalid values.


          if (Context._context !== undefined) {
            var realContext = Context._context; // Don't deduplicate because this legitimately causes bugs
            // and nobody should be using this in existing code.

            if (realContext.Consumer === Context) {
              error('Calling useContext(Context.Consumer) is not supported, may cause bugs, and will be ' + 'removed in a future major release. Did you mean to call useContext(Context) instead?');
            } else if (realContext.Provider === Context) {
              error('Calling useContext(Context.Provider) is not supported. ' + 'Did you mean to call useContext(Context) instead?');
            }
          }
        }
        return dispatcher.useContext(Context, unstable_observedBits);
      }

      function useState(initialState) {
        var dispatcher = resolveDispatcher();
        return dispatcher.useState(initialState);
      }

      function useReducer(reducer, initialArg, init) {
        var dispatcher = resolveDispatcher();
        return dispatcher.useReducer(reducer, initialArg, init);
      }

      function useRef(initialValue) {
        var dispatcher = resolveDispatcher();
        return dispatcher.useRef(initialValue);
      }

      function useEffect(create, deps) {
        var dispatcher = resolveDispatcher();
        return dispatcher.useEffect(create, deps);
      }

      function useLayoutEffect(create, deps) {
        var dispatcher = resolveDispatcher();
        return dispatcher.useLayoutEffect(create, deps);
      }

      function useCallback(callback, deps) {
        var dispatcher = resolveDispatcher();
        return dispatcher.useCallback(callback, deps);
      }

      function useMemo(create, deps) {
        var dispatcher = resolveDispatcher();
        return dispatcher.useMemo(create, deps);
      }

      function useImperativeHandle(ref, create, deps) {
        var dispatcher = resolveDispatcher();
        return dispatcher.useImperativeHandle(ref, create, deps);
      }

      function useDebugValue(value, formatterFn) {
        {
          var dispatcher = resolveDispatcher();
          return dispatcher.useDebugValue(value, formatterFn);
        }
      }

      var propTypesMisspellWarningShown;
      {
        propTypesMisspellWarningShown = false;
      }

      function getDeclarationErrorAddendum() {
        if (ReactCurrentOwner.current) {
          var name = getComponentName(ReactCurrentOwner.current.type);

          if (name) {
            return '\n\nCheck the render method of `' + name + '`.';
          }
        }

        return '';
      }

      function getSourceInfoErrorAddendum(source) {
        if (source !== undefined) {
          var fileName = source.fileName.replace(/^.*[\\\/]/, '');
          var lineNumber = source.lineNumber;
          return '\n\nCheck your code at ' + fileName + ':' + lineNumber + '.';
        }

        return '';
      }

      function getSourceInfoErrorAddendumForProps(elementProps) {
        if (elementProps !== null && elementProps !== undefined) {
          return getSourceInfoErrorAddendum(elementProps.__source);
        }

        return '';
      }
      /**
       * Warn if there's no key explicitly set on dynamic arrays of children or
       * object keys are not valid. This allows us to keep track of children between
       * updates.
       */


      var ownerHasKeyUseWarning = {};

      function getCurrentComponentErrorInfo(parentType) {
        var info = getDeclarationErrorAddendum();

        if (!info) {
          var parentName = typeof parentType === 'string' ? parentType : parentType.displayName || parentType.name;

          if (parentName) {
            info = "\n\nCheck the top-level render call using <" + parentName + ">.";
          }
        }

        return info;
      }
      /**
       * Warn if the element doesn't have an explicit key assigned to it.
       * This element is in an array. The array could grow and shrink or be
       * reordered. All children that haven't already been validated are required to
       * have a "key" property assigned to it. Error statuses are cached so a warning
       * will only be shown once.
       *
       * @internal
       * @param {ReactElement} element Element that requires a key.
       * @param {*} parentType element's parent's type.
       */


      function validateExplicitKey(element, parentType) {
        if (!element._store || element._store.validated || element.key != null) {
          return;
        }

        element._store.validated = true;
        var currentComponentErrorInfo = getCurrentComponentErrorInfo(parentType);

        if (ownerHasKeyUseWarning[currentComponentErrorInfo]) {
          return;
        }

        ownerHasKeyUseWarning[currentComponentErrorInfo] = true; // Usually the current owner is the offender, but if it accepts children as a
        // property, it may be the creator of the child that's responsible for
        // assigning it a key.

        var childOwner = '';

        if (element && element._owner && element._owner !== ReactCurrentOwner.current) {
          // Give the component that originally created this child.
          childOwner = " It was passed a child from " + getComponentName(element._owner.type) + ".";
        }

        setCurrentlyValidatingElement(element);
        {
          error('Each child in a list should have a unique "key" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.', currentComponentErrorInfo, childOwner);
        }
        setCurrentlyValidatingElement(null);
      }
      /**
       * Ensure that every element either is passed in a static location, in an
       * array with an explicit keys property defined, or in an object literal
       * with valid key property.
       *
       * @internal
       * @param {ReactNode} node Statically passed child of any type.
       * @param {*} parentType node's parent's type.
       */


      function validateChildKeys(node, parentType) {
        if (_typeof$1(node) !== 'object') {
          return;
        }

        if (Array.isArray(node)) {
          for (var i = 0; i < node.length; i++) {
            var child = node[i];

            if (isValidElement(child)) {
              validateExplicitKey(child, parentType);
            }
          }
        } else if (isValidElement(node)) {
          // This element was passed in a valid location.
          if (node._store) {
            node._store.validated = true;
          }
        } else if (node) {
          var iteratorFn = getIteratorFn(node);

          if (typeof iteratorFn === 'function') {
            // Entry iterators used to provide implicit keys,
            // but now we print a separate warning for them later.
            if (iteratorFn !== node.entries) {
              var iterator = iteratorFn.call(node);
              var step;

              while (!(step = iterator.next()).done) {
                if (isValidElement(step.value)) {
                  validateExplicitKey(step.value, parentType);
                }
              }
            }
          }
        }
      }
      /**
       * Given an element, validate that its props follow the propTypes definition,
       * provided by the type.
       *
       * @param {ReactElement} element
       */


      function validatePropTypes(element) {
        {
          var type = element.type;

          if (type === null || type === undefined || typeof type === 'string') {
            return;
          }

          var name = getComponentName(type);
          var propTypes;

          if (typeof type === 'function') {
            propTypes = type.propTypes;
          } else if (_typeof$1(type) === 'object' && (type.$$typeof === REACT_FORWARD_REF_TYPE || // Note: Memo only checks outer props here.
          // Inner props are checked in the reconciler.
          type.$$typeof === REACT_MEMO_TYPE)) {
            propTypes = type.propTypes;
          } else {
            return;
          }

          if (propTypes) {
            setCurrentlyValidatingElement(element);
            checkPropTypes(propTypes, element.props, 'prop', name, ReactDebugCurrentFrame.getStackAddendum);
            setCurrentlyValidatingElement(null);
          } else if (type.PropTypes !== undefined && !propTypesMisspellWarningShown) {
            propTypesMisspellWarningShown = true;
            error('Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown');
          }

          if (typeof type.getDefaultProps === 'function' && !type.getDefaultProps.isReactClassApproved) {
            error('getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.');
          }
        }
      }
      /**
       * Given a fragment, validate that it can only be provided with fragment props
       * @param {ReactElement} fragment
       */


      function validateFragmentProps(fragment) {
        {
          setCurrentlyValidatingElement(fragment);
          var keys = Object.keys(fragment.props);

          for (var i = 0; i < keys.length; i++) {
            var key = keys[i];

            if (key !== 'children' && key !== 'key') {
              error('Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.', key);
              break;
            }
          }

          if (fragment.ref !== null) {
            error('Invalid attribute `ref` supplied to `React.Fragment`.');
          }

          setCurrentlyValidatingElement(null);
        }
      }

      function createElementWithValidation(type, props, children) {
        var validType = isValidElementType(type); // We warn in this case but don't throw. We expect the element creation to
        // succeed and there will likely be errors in render.

        if (!validType) {
          var info = '';

          if (type === undefined || _typeof$1(type) === 'object' && type !== null && Object.keys(type).length === 0) {
            info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and named imports.";
          }

          var sourceInfo = getSourceInfoErrorAddendumForProps(props);

          if (sourceInfo) {
            info += sourceInfo;
          } else {
            info += getDeclarationErrorAddendum();
          }

          var typeString;

          if (type === null) {
            typeString = 'null';
          } else if (Array.isArray(type)) {
            typeString = 'array';
          } else if (type !== undefined && type.$$typeof === REACT_ELEMENT_TYPE) {
            typeString = "<" + (getComponentName(type.type) || 'Unknown') + " />";
            info = ' Did you accidentally export a JSX literal instead of a component?';
          } else {
            typeString = _typeof$1(type);
          }

          {
            error('React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', typeString, info);
          }
        }

        var element = createElement.apply(this, arguments); // The result can be nullish if a mock or a custom function is used.
        // TODO: Drop this when these are no longer allowed as the type argument.

        if (element == null) {
          return element;
        } // Skip key warning if the type isn't valid since our key validation logic
        // doesn't expect a non-string/function type and can throw confusing errors.
        // We don't want exception behavior to differ between dev and prod.
        // (Rendering will throw with a helpful message and as soon as the type is
        // fixed, the key warnings will appear.)


        if (validType) {
          for (var i = 2; i < arguments.length; i++) {
            validateChildKeys(arguments[i], type);
          }
        }

        if (type === REACT_FRAGMENT_TYPE) {
          validateFragmentProps(element);
        } else {
          validatePropTypes(element);
        }

        return element;
      }

      var didWarnAboutDeprecatedCreateFactory = false;

      function createFactoryWithValidation(type) {
        var validatedFactory = createElementWithValidation.bind(null, type);
        validatedFactory.type = type;
        {
          if (!didWarnAboutDeprecatedCreateFactory) {
            didWarnAboutDeprecatedCreateFactory = true;
            warn('React.createFactory() is deprecated and will be removed in ' + 'a future major release. Consider using JSX ' + 'or use React.createElement() directly instead.');
          } // Legacy hook: remove it


          Object.defineProperty(validatedFactory, 'type', {
            enumerable: false,
            get: function get() {
              warn('Factory.type is deprecated. Access the class directly ' + 'before passing it to createFactory.');
              Object.defineProperty(this, 'type', {
                value: type
              });
              return type;
            }
          });
        }
        return validatedFactory;
      }

      function cloneElementWithValidation(element, props, children) {
        var newElement = cloneElement.apply(this, arguments);

        for (var i = 2; i < arguments.length; i++) {
          validateChildKeys(arguments[i], newElement.type);
        }

        validatePropTypes(newElement);
        return newElement;
      }

      {
        try {
          var frozenObject = Object.freeze({});
          var testMap = new Map([[frozenObject, null]]);
          var testSet = new Set([frozenObject]); // This is necessary for Rollup to not consider these unused.
          // https://github.com/rollup/rollup/issues/1771
          // TODO: we can remove these if Rollup fixes the bug.

          testMap.set(0, 0);
          testSet.add(0);
        } catch (e) {}
      }
      var createElement$1 = createElementWithValidation;
      var cloneElement$1 = cloneElementWithValidation;
      var createFactory = createFactoryWithValidation;
      var Children = {
        map: mapChildren,
        forEach: forEachChildren,
        count: countChildren,
        toArray: toArray,
        only: onlyChild
      };
      exports.Children = Children;
      exports.Component = Component;
      exports.Fragment = REACT_FRAGMENT_TYPE;
      exports.Profiler = REACT_PROFILER_TYPE;
      exports.PureComponent = PureComponent;
      exports.StrictMode = REACT_STRICT_MODE_TYPE;
      exports.Suspense = REACT_SUSPENSE_TYPE;
      exports.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED = ReactSharedInternals;
      exports.cloneElement = cloneElement$1;
      exports.createContext = createContext;
      exports.createElement = createElement$1;
      exports.createFactory = createFactory;
      exports.createRef = createRef;
      exports.forwardRef = forwardRef;
      exports.isValidElement = isValidElement;
      exports.lazy = lazy;
      exports.memo = memo;
      exports.useCallback = useCallback;
      exports.useContext = useContext;
      exports.useDebugValue = useDebugValue;
      exports.useEffect = useEffect;
      exports.useImperativeHandle = useImperativeHandle;
      exports.useLayoutEffect = useLayoutEffect;
      exports.useMemo = useMemo;
      exports.useReducer = useReducer;
      exports.useRef = useRef;
      exports.useState = useState;
      exports.version = ReactVersion;
    })();
  }
});

var react = createCommonjsModule(function (module) {

  {
    module.exports = react_development;
  }
});

var allLocaleData = {};

/*
Copyright (c) 2014, Yahoo! Inc. All rights reserved.
Copyrights licensed under the New BSD License.
See the accompanying LICENSE file for terms.
*/

var extend_1 = extend;
var hop = Object.prototype.hasOwnProperty;

function extend(obj) {
  var sources = Array.prototype.slice.call(arguments, 1),
      i,
      len,
      source,
      key;

  for (i = 0, len = sources.length; i < len; i += 1) {
    source = sources[i];

    if (!source) {
      continue;
    }

    for (key in source) {
      if (hop.call(source, key)) {
        obj[key] = source[key];
      }
    }
  }

  return obj;
}

var hop_1 = hop;
var utils = {
  extend: extend_1,
  hop: hop_1
};

var es5$1 = createCommonjsModule(function (module, exports) {
  // Copyright 2013 Andy Earnshaw, MIT License

  var realDefineProp = function () {
    try {
      return !!Object.defineProperty({}, 'a', {});
    } catch (e) {
      return false;
    }
  }();
  var defineProperty = realDefineProp ? Object.defineProperty : function (obj, name, desc) {
    if ('get' in desc && obj.__defineGetter__) {
      obj.__defineGetter__(name, desc.get);
    } else if (!utils.hop.call(obj, name) || 'value' in desc) {
      obj[name] = desc.value;
    }
  };

  var objCreate = Object.create || function (proto, props) {
    var obj, k;

    function F() {}

    F.prototype = proto;
    obj = new F();

    for (k in props) {
      if (utils.hop.call(props, k)) {
        defineProperty(obj, k, props[k]);
      }
    }

    return obj;
  };

  exports.defineProperty = defineProperty, exports.objCreate = objCreate;
});

var compiler = createCommonjsModule(function (module, exports) {

  exports["default"] = Compiler;

  function Compiler(locales, formats, pluralFn) {
    this.locales = locales;
    this.formats = formats;
    this.pluralFn = pluralFn;
  }

  Compiler.prototype.compile = function (ast) {
    this.pluralStack = [];
    this.currentPlural = null;
    this.pluralNumberFormat = null;
    return this.compileMessage(ast);
  };

  Compiler.prototype.compileMessage = function (ast) {
    if (!(ast && ast.type === 'messageFormatPattern')) {
      throw new Error('Message AST is not of type: "messageFormatPattern"');
    }

    var elements = ast.elements,
        pattern = [];
    var i, len, element;

    for (i = 0, len = elements.length; i < len; i += 1) {
      element = elements[i];

      switch (element.type) {
        case 'messageTextElement':
          pattern.push(this.compileMessageText(element));
          break;

        case 'argumentElement':
          pattern.push(this.compileArgument(element));
          break;

        default:
          throw new Error('Message element does not have a valid type');
      }
    }

    return pattern;
  };

  Compiler.prototype.compileMessageText = function (element) {
    // When this `element` is part of plural sub-pattern and its value contains
    // an unescaped '#', use a `PluralOffsetString` helper to properly output
    // the number with the correct offset in the string.
    if (this.currentPlural && /(^|[^\\])#/g.test(element.value)) {
      // Create a cache a NumberFormat instance that can be reused for any
      // PluralOffsetString instance in this message.
      if (!this.pluralNumberFormat) {
        this.pluralNumberFormat = new Intl.NumberFormat(this.locales);
      }

      return new PluralOffsetString(this.currentPlural.id, this.currentPlural.format.offset, this.pluralNumberFormat, element.value);
    } // Unescape the escaped '#'s in the message text.


    return element.value.replace(/\\#/g, '#');
  };

  Compiler.prototype.compileArgument = function (element) {
    var format = element.format;

    if (!format) {
      return new StringFormat(element.id);
    }

    var formats = this.formats,
        locales = this.locales,
        pluralFn = this.pluralFn,
        options;

    switch (format.type) {
      case 'numberFormat':
        options = formats.number[format.style];
        return {
          id: element.id,
          format: new Intl.NumberFormat(locales, options).format
        };

      case 'dateFormat':
        options = formats.date[format.style];
        return {
          id: element.id,
          format: new Intl.DateTimeFormat(locales, options).format
        };

      case 'timeFormat':
        options = formats.time[format.style];
        return {
          id: element.id,
          format: new Intl.DateTimeFormat(locales, options).format
        };

      case 'pluralFormat':
        options = this.compileOptions(element);
        return new PluralFormat(element.id, format.ordinal, format.offset, options, pluralFn);

      case 'selectFormat':
        options = this.compileOptions(element);
        return new SelectFormat(element.id, options);

      default:
        throw new Error('Message element does not have a valid format type');
    }
  };

  Compiler.prototype.compileOptions = function (element) {
    var format = element.format,
        options = format.options,
        optionsHash = {}; // Save the current plural element, if any, then set it to a new value when
    // compiling the options sub-patterns. This conforms the spec's algorithm
    // for handling `"#"` syntax in message text.

    this.pluralStack.push(this.currentPlural);
    this.currentPlural = format.type === 'pluralFormat' ? element : null;
    var i, len, option;

    for (i = 0, len = options.length; i < len; i += 1) {
      option = options[i]; // Compile the sub-pattern and save it under the options's selector.

      optionsHash[option.selector] = this.compileMessage(option.value);
    } // Pop the plural stack to put back the original current plural value.


    this.currentPlural = this.pluralStack.pop();
    return optionsHash;
  }; // -- Compiler Helper Classes --------------------------------------------------


  function StringFormat(id) {
    this.id = id;
  }

  StringFormat.prototype.format = function (value) {
    if (!value && typeof value !== 'number') {
      return '';
    }

    return typeof value === 'string' ? value : String(value);
  };

  function PluralFormat(id, useOrdinal, offset, options, pluralFn) {
    this.id = id;
    this.useOrdinal = useOrdinal;
    this.offset = offset;
    this.options = options;
    this.pluralFn = pluralFn;
  }

  PluralFormat.prototype.getOption = function (value) {
    var options = this.options;
    var option = options['=' + value] || options[this.pluralFn(value - this.offset, this.useOrdinal)];
    return option || options.other;
  };

  function PluralOffsetString(id, offset, numberFormat, string) {
    this.id = id;
    this.offset = offset;
    this.numberFormat = numberFormat;
    this.string = string;
  }

  PluralOffsetString.prototype.format = function (value) {
    var number = this.numberFormat.format(value - this.offset);
    return this.string.replace(/(^|[^\\])#/g, '$1' + number).replace(/\\#/g, '#');
  };

  function SelectFormat(id, options) {
    this.id = id;
    this.options = options;
  }

  SelectFormat.prototype.getOption = function (value) {
    var options = this.options;
    return options[value] || options.other;
  };
});

var parser = createCommonjsModule(function (module, exports) {

  exports["default"] = function () {
    /*
     * Generated by PEG.js 0.9.0.
     *
     * http://pegjs.org/
     */

    function peg$subclass(child, parent) {
      function ctor() {
        this.constructor = child;
      }

      ctor.prototype = parent.prototype;
      child.prototype = new ctor();
    }

    function peg$SyntaxError(message, expected, found, location) {
      this.message = message;
      this.expected = expected;
      this.found = found;
      this.location = location;
      this.name = "SyntaxError";

      if (typeof Error.captureStackTrace === "function") {
        Error.captureStackTrace(this, peg$SyntaxError);
      }
    }

    peg$subclass(peg$SyntaxError, Error);

    function peg$parse(input) {
      var options = arguments.length > 1 ? arguments[1] : {},
          peg$FAILED = {},
          peg$startRuleFunctions = {
        start: peg$parsestart
      },
          peg$startRuleFunction = peg$parsestart,
          peg$c0 = function peg$c0(elements) {
        return {
          type: 'messageFormatPattern',
          elements: elements,
          location: location()
        };
      },
          peg$c1 = function peg$c1(text) {
        var string = '',
            i,
            j,
            outerLen,
            inner,
            innerLen;

        for (i = 0, outerLen = text.length; i < outerLen; i += 1) {
          inner = text[i];

          for (j = 0, innerLen = inner.length; j < innerLen; j += 1) {
            string += inner[j];
          }
        }

        return string;
      },
          peg$c2 = function peg$c2(messageText) {
        return {
          type: 'messageTextElement',
          value: messageText,
          location: location()
        };
      },
          peg$c3 = /^[^ \t\n\r,.+={}#]/,
          peg$c4 = {
        type: "class",
        value: "[^ \\t\\n\\r,.+={}#]",
        description: "[^ \\t\\n\\r,.+={}#]"
      },
          peg$c5 = "{",
          peg$c6 = {
        type: "literal",
        value: "{",
        description: "\"{\""
      },
          peg$c7 = ",",
          peg$c8 = {
        type: "literal",
        value: ",",
        description: "\",\""
      },
          peg$c9 = "}",
          peg$c10 = {
        type: "literal",
        value: "}",
        description: "\"}\""
      },
          peg$c11 = function peg$c11(id, format) {
        return {
          type: 'argumentElement',
          id: id,
          format: format && format[2],
          location: location()
        };
      },
          peg$c12 = "number",
          peg$c13 = {
        type: "literal",
        value: "number",
        description: "\"number\""
      },
          peg$c14 = "date",
          peg$c15 = {
        type: "literal",
        value: "date",
        description: "\"date\""
      },
          peg$c16 = "time",
          peg$c17 = {
        type: "literal",
        value: "time",
        description: "\"time\""
      },
          peg$c18 = function peg$c18(type, style) {
        return {
          type: type + 'Format',
          style: style && style[2],
          location: location()
        };
      },
          peg$c19 = "plural",
          peg$c20 = {
        type: "literal",
        value: "plural",
        description: "\"plural\""
      },
          peg$c21 = function peg$c21(pluralStyle) {
        return {
          type: pluralStyle.type,
          ordinal: false,
          offset: pluralStyle.offset || 0,
          options: pluralStyle.options,
          location: location()
        };
      },
          peg$c22 = "selectordinal",
          peg$c23 = {
        type: "literal",
        value: "selectordinal",
        description: "\"selectordinal\""
      },
          peg$c24 = function peg$c24(pluralStyle) {
        return {
          type: pluralStyle.type,
          ordinal: true,
          offset: pluralStyle.offset || 0,
          options: pluralStyle.options,
          location: location()
        };
      },
          peg$c25 = "select",
          peg$c26 = {
        type: "literal",
        value: "select",
        description: "\"select\""
      },
          peg$c27 = function peg$c27(options) {
        return {
          type: 'selectFormat',
          options: options,
          location: location()
        };
      },
          peg$c28 = "=",
          peg$c29 = {
        type: "literal",
        value: "=",
        description: "\"=\""
      },
          peg$c30 = function peg$c30(selector, pattern) {
        return {
          type: 'optionalFormatPattern',
          selector: selector,
          value: pattern,
          location: location()
        };
      },
          peg$c31 = "offset:",
          peg$c32 = {
        type: "literal",
        value: "offset:",
        description: "\"offset:\""
      },
          peg$c33 = function peg$c33(number) {
        return number;
      },
          peg$c34 = function peg$c34(offset, options) {
        return {
          type: 'pluralFormat',
          offset: offset,
          options: options,
          location: location()
        };
      },
          peg$c35 = {
        type: "other",
        description: "whitespace"
      },
          peg$c36 = /^[ \t\n\r]/,
          peg$c37 = {
        type: "class",
        value: "[ \\t\\n\\r]",
        description: "[ \\t\\n\\r]"
      },
          peg$c38 = {
        type: "other",
        description: "optionalWhitespace"
      },
          peg$c39 = /^[0-9]/,
          peg$c40 = {
        type: "class",
        value: "[0-9]",
        description: "[0-9]"
      },
          peg$c41 = /^[0-9a-f]/i,
          peg$c42 = {
        type: "class",
        value: "[0-9a-f]i",
        description: "[0-9a-f]i"
      },
          peg$c43 = "0",
          peg$c44 = {
        type: "literal",
        value: "0",
        description: "\"0\""
      },
          peg$c45 = /^[1-9]/,
          peg$c46 = {
        type: "class",
        value: "[1-9]",
        description: "[1-9]"
      },
          peg$c47 = function peg$c47(digits) {
        return parseInt(digits, 10);
      },
          peg$c48 = /^[^{}\\\0-\x1F \t\n\r]/,
          peg$c49 = {
        type: "class",
        value: "[^{}\\\\\\0-\\x1F\\x7f \\t\\n\\r]",
        description: "[^{}\\\\\\0-\\x1F\\x7f \\t\\n\\r]"
      },
          peg$c50 = "\\\\",
          peg$c51 = {
        type: "literal",
        value: "\\\\",
        description: "\"\\\\\\\\\""
      },
          peg$c52 = function peg$c52() {
        return '\\';
      },
          peg$c53 = "\\#",
          peg$c54 = {
        type: "literal",
        value: "\\#",
        description: "\"\\\\#\""
      },
          peg$c55 = function peg$c55() {
        return '\\#';
      },
          peg$c56 = "\\{",
          peg$c57 = {
        type: "literal",
        value: "\\{",
        description: "\"\\\\{\""
      },
          peg$c58 = function peg$c58() {
        return "{";
      },
          peg$c59 = "\\}",
          peg$c60 = {
        type: "literal",
        value: "\\}",
        description: "\"\\\\}\""
      },
          peg$c61 = function peg$c61() {
        return "}";
      },
          peg$c62 = "\\u",
          peg$c63 = {
        type: "literal",
        value: "\\u",
        description: "\"\\\\u\""
      },
          peg$c64 = function peg$c64(digits) {
        return String.fromCharCode(parseInt(digits, 16));
      },
          peg$c65 = function peg$c65(chars) {
        return chars.join('');
      },
          peg$currPos = 0,
          peg$savedPos = 0,
          peg$posDetailsCache = [{
        line: 1,
        column: 1,
        seenCR: false
      }],
          peg$maxFailPos = 0,
          peg$maxFailExpected = [],
          peg$silentFails = 0,
          peg$result;

      if ("startRule" in options) {
        if (!(options.startRule in peg$startRuleFunctions)) {
          throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
        }

        peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
      }

      function location() {
        return peg$computeLocation(peg$savedPos, peg$currPos);
      }

      function peg$computePosDetails(pos) {
        var details = peg$posDetailsCache[pos],
            p,
            ch;

        if (details) {
          return details;
        } else {
          p = pos - 1;

          while (!peg$posDetailsCache[p]) {
            p--;
          }

          details = peg$posDetailsCache[p];
          details = {
            line: details.line,
            column: details.column,
            seenCR: details.seenCR
          };

          while (p < pos) {
            ch = input.charAt(p);

            if (ch === "\n") {
              if (!details.seenCR) {
                details.line++;
              }

              details.column = 1;
              details.seenCR = false;
            } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
              details.line++;
              details.column = 1;
              details.seenCR = true;
            } else {
              details.column++;
              details.seenCR = false;
            }

            p++;
          }

          peg$posDetailsCache[pos] = details;
          return details;
        }
      }

      function peg$computeLocation(startPos, endPos) {
        var startPosDetails = peg$computePosDetails(startPos),
            endPosDetails = peg$computePosDetails(endPos);
        return {
          start: {
            offset: startPos,
            line: startPosDetails.line,
            column: startPosDetails.column
          },
          end: {
            offset: endPos,
            line: endPosDetails.line,
            column: endPosDetails.column
          }
        };
      }

      function peg$fail(expected) {
        if (peg$currPos < peg$maxFailPos) {
          return;
        }

        if (peg$currPos > peg$maxFailPos) {
          peg$maxFailPos = peg$currPos;
          peg$maxFailExpected = [];
        }

        peg$maxFailExpected.push(expected);
      }

      function peg$buildException(message, expected, found, location) {
        function cleanupExpected(expected) {
          var i = 1;
          expected.sort(function (a, b) {
            if (a.description < b.description) {
              return -1;
            } else if (a.description > b.description) {
              return 1;
            } else {
              return 0;
            }
          });

          while (i < expected.length) {
            if (expected[i - 1] === expected[i]) {
              expected.splice(i, 1);
            } else {
              i++;
            }
          }
        }

        function buildMessage(expected, found) {
          function stringEscape(s) {
            function hex(ch) {
              return ch.charCodeAt(0).toString(16).toUpperCase();
            }

            return s.replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\x08/g, '\\b').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\f/g, '\\f').replace(/\r/g, '\\r').replace(/[\x00-\x07\x0B\x0E\x0F]/g, function (ch) {
              return '\\x0' + hex(ch);
            }).replace(/[\x10-\x1F\x80-\xFF]/g, function (ch) {
              return '\\x' + hex(ch);
            }).replace(/[\u0100-\u0FFF]/g, function (ch) {
              return "\\u0" + hex(ch);
            }).replace(/[\u1000-\uFFFF]/g, function (ch) {
              return "\\u" + hex(ch);
            });
          }

          var expectedDescs = new Array(expected.length),
              expectedDesc,
              foundDesc,
              i;

          for (i = 0; i < expected.length; i++) {
            expectedDescs[i] = expected[i].description;
          }

          expectedDesc = expected.length > 1 ? expectedDescs.slice(0, -1).join(", ") + " or " + expectedDescs[expected.length - 1] : expectedDescs[0];
          foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";
          return "Expected " + expectedDesc + " but " + foundDesc + " found.";
        }

        if (expected !== null) {
          cleanupExpected(expected);
        }

        return new peg$SyntaxError(message !== null ? message : buildMessage(expected, found), expected, found, location);
      }

      function peg$parsestart() {
        var s0;
        s0 = peg$parsemessageFormatPattern();
        return s0;
      }

      function peg$parsemessageFormatPattern() {
        var s0, s1, s2;
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parsemessageFormatElement();

        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parsemessageFormatElement();
        }

        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c0(s1);
        }

        s0 = s1;
        return s0;
      }

      function peg$parsemessageFormatElement() {
        var s0;
        s0 = peg$parsemessageTextElement();

        if (s0 === peg$FAILED) {
          s0 = peg$parseargumentElement();
        }

        return s0;
      }

      function peg$parsemessageText() {
        var s0, s1, s2, s3, s4, s5;
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$currPos;
        s3 = peg$parse_();

        if (s3 !== peg$FAILED) {
          s4 = peg$parsechars();

          if (s4 !== peg$FAILED) {
            s5 = peg$parse_();

            if (s5 !== peg$FAILED) {
              s3 = [s3, s4, s5];
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }

        if (s2 !== peg$FAILED) {
          while (s2 !== peg$FAILED) {
            s1.push(s2);
            s2 = peg$currPos;
            s3 = peg$parse_();

            if (s3 !== peg$FAILED) {
              s4 = peg$parsechars();

              if (s4 !== peg$FAILED) {
                s5 = peg$parse_();

                if (s5 !== peg$FAILED) {
                  s3 = [s3, s4, s5];
                  s2 = s3;
                } else {
                  peg$currPos = s2;
                  s2 = peg$FAILED;
                }
              } else {
                peg$currPos = s2;
                s2 = peg$FAILED;
              }
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          }
        } else {
          s1 = peg$FAILED;
        }

        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c1(s1);
        }

        s0 = s1;

        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parsews();

          if (s1 !== peg$FAILED) {
            s0 = input.substring(s0, peg$currPos);
          } else {
            s0 = s1;
          }
        }

        return s0;
      }

      function peg$parsemessageTextElement() {
        var s0, s1;
        s0 = peg$currPos;
        s1 = peg$parsemessageText();

        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c2(s1);
        }

        s0 = s1;
        return s0;
      }

      function peg$parseargument() {
        var s0, s1, s2;
        s0 = peg$parsenumber();

        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = [];

          if (peg$c3.test(input.charAt(peg$currPos))) {
            s2 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s2 = peg$FAILED;

            if (peg$silentFails === 0) {
              peg$fail(peg$c4);
            }
          }

          if (s2 !== peg$FAILED) {
            while (s2 !== peg$FAILED) {
              s1.push(s2);

              if (peg$c3.test(input.charAt(peg$currPos))) {
                s2 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s2 = peg$FAILED;

                if (peg$silentFails === 0) {
                  peg$fail(peg$c4);
                }
              }
            }
          } else {
            s1 = peg$FAILED;
          }

          if (s1 !== peg$FAILED) {
            s0 = input.substring(s0, peg$currPos);
          } else {
            s0 = s1;
          }
        }

        return s0;
      }

      function peg$parseargumentElement() {
        var s0, s1, s2, s3, s4, s5, s6, s7, s8;
        s0 = peg$currPos;

        if (input.charCodeAt(peg$currPos) === 123) {
          s1 = peg$c5;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c6);
          }
        }

        if (s1 !== peg$FAILED) {
          s2 = peg$parse_();

          if (s2 !== peg$FAILED) {
            s3 = peg$parseargument();

            if (s3 !== peg$FAILED) {
              s4 = peg$parse_();

              if (s4 !== peg$FAILED) {
                s5 = peg$currPos;

                if (input.charCodeAt(peg$currPos) === 44) {
                  s6 = peg$c7;
                  peg$currPos++;
                } else {
                  s6 = peg$FAILED;

                  if (peg$silentFails === 0) {
                    peg$fail(peg$c8);
                  }
                }

                if (s6 !== peg$FAILED) {
                  s7 = peg$parse_();

                  if (s7 !== peg$FAILED) {
                    s8 = peg$parseelementFormat();

                    if (s8 !== peg$FAILED) {
                      s6 = [s6, s7, s8];
                      s5 = s6;
                    } else {
                      peg$currPos = s5;
                      s5 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s5;
                    s5 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s5;
                  s5 = peg$FAILED;
                }

                if (s5 === peg$FAILED) {
                  s5 = null;
                }

                if (s5 !== peg$FAILED) {
                  s6 = peg$parse_();

                  if (s6 !== peg$FAILED) {
                    if (input.charCodeAt(peg$currPos) === 125) {
                      s7 = peg$c9;
                      peg$currPos++;
                    } else {
                      s7 = peg$FAILED;

                      if (peg$silentFails === 0) {
                        peg$fail(peg$c10);
                      }
                    }

                    if (s7 !== peg$FAILED) {
                      peg$savedPos = s0;
                      s1 = peg$c11(s3, s5);
                      s0 = s1;
                    } else {
                      peg$currPos = s0;
                      s0 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }

        return s0;
      }

      function peg$parseelementFormat() {
        var s0;
        s0 = peg$parsesimpleFormat();

        if (s0 === peg$FAILED) {
          s0 = peg$parsepluralFormat();

          if (s0 === peg$FAILED) {
            s0 = peg$parseselectOrdinalFormat();

            if (s0 === peg$FAILED) {
              s0 = peg$parseselectFormat();
            }
          }
        }

        return s0;
      }

      function peg$parsesimpleFormat() {
        var s0, s1, s2, s3, s4, s5, s6;
        s0 = peg$currPos;

        if (input.substr(peg$currPos, 6) === peg$c12) {
          s1 = peg$c12;
          peg$currPos += 6;
        } else {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c13);
          }
        }

        if (s1 === peg$FAILED) {
          if (input.substr(peg$currPos, 4) === peg$c14) {
            s1 = peg$c14;
            peg$currPos += 4;
          } else {
            s1 = peg$FAILED;

            if (peg$silentFails === 0) {
              peg$fail(peg$c15);
            }
          }

          if (s1 === peg$FAILED) {
            if (input.substr(peg$currPos, 4) === peg$c16) {
              s1 = peg$c16;
              peg$currPos += 4;
            } else {
              s1 = peg$FAILED;

              if (peg$silentFails === 0) {
                peg$fail(peg$c17);
              }
            }
          }
        }

        if (s1 !== peg$FAILED) {
          s2 = peg$parse_();

          if (s2 !== peg$FAILED) {
            s3 = peg$currPos;

            if (input.charCodeAt(peg$currPos) === 44) {
              s4 = peg$c7;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;

              if (peg$silentFails === 0) {
                peg$fail(peg$c8);
              }
            }

            if (s4 !== peg$FAILED) {
              s5 = peg$parse_();

              if (s5 !== peg$FAILED) {
                s6 = peg$parsechars();

                if (s6 !== peg$FAILED) {
                  s4 = [s4, s5, s6];
                  s3 = s4;
                } else {
                  peg$currPos = s3;
                  s3 = peg$FAILED;
                }
              } else {
                peg$currPos = s3;
                s3 = peg$FAILED;
              }
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }

            if (s3 === peg$FAILED) {
              s3 = null;
            }

            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c18(s1, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }

        return s0;
      }

      function peg$parsepluralFormat() {
        var s0, s1, s2, s3, s4, s5;
        s0 = peg$currPos;

        if (input.substr(peg$currPos, 6) === peg$c19) {
          s1 = peg$c19;
          peg$currPos += 6;
        } else {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c20);
          }
        }

        if (s1 !== peg$FAILED) {
          s2 = peg$parse_();

          if (s2 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 44) {
              s3 = peg$c7;
              peg$currPos++;
            } else {
              s3 = peg$FAILED;

              if (peg$silentFails === 0) {
                peg$fail(peg$c8);
              }
            }

            if (s3 !== peg$FAILED) {
              s4 = peg$parse_();

              if (s4 !== peg$FAILED) {
                s5 = peg$parsepluralStyle();

                if (s5 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c21(s5);
                  s0 = s1;
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }

        return s0;
      }

      function peg$parseselectOrdinalFormat() {
        var s0, s1, s2, s3, s4, s5;
        s0 = peg$currPos;

        if (input.substr(peg$currPos, 13) === peg$c22) {
          s1 = peg$c22;
          peg$currPos += 13;
        } else {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c23);
          }
        }

        if (s1 !== peg$FAILED) {
          s2 = peg$parse_();

          if (s2 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 44) {
              s3 = peg$c7;
              peg$currPos++;
            } else {
              s3 = peg$FAILED;

              if (peg$silentFails === 0) {
                peg$fail(peg$c8);
              }
            }

            if (s3 !== peg$FAILED) {
              s4 = peg$parse_();

              if (s4 !== peg$FAILED) {
                s5 = peg$parsepluralStyle();

                if (s5 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c24(s5);
                  s0 = s1;
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }

        return s0;
      }

      function peg$parseselectFormat() {
        var s0, s1, s2, s3, s4, s5, s6;
        s0 = peg$currPos;

        if (input.substr(peg$currPos, 6) === peg$c25) {
          s1 = peg$c25;
          peg$currPos += 6;
        } else {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c26);
          }
        }

        if (s1 !== peg$FAILED) {
          s2 = peg$parse_();

          if (s2 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 44) {
              s3 = peg$c7;
              peg$currPos++;
            } else {
              s3 = peg$FAILED;

              if (peg$silentFails === 0) {
                peg$fail(peg$c8);
              }
            }

            if (s3 !== peg$FAILED) {
              s4 = peg$parse_();

              if (s4 !== peg$FAILED) {
                s5 = [];
                s6 = peg$parseoptionalFormatPattern();

                if (s6 !== peg$FAILED) {
                  while (s6 !== peg$FAILED) {
                    s5.push(s6);
                    s6 = peg$parseoptionalFormatPattern();
                  }
                } else {
                  s5 = peg$FAILED;
                }

                if (s5 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c27(s5);
                  s0 = s1;
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }

        return s0;
      }

      function peg$parseselector() {
        var s0, s1, s2, s3;
        s0 = peg$currPos;
        s1 = peg$currPos;

        if (input.charCodeAt(peg$currPos) === 61) {
          s2 = peg$c28;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c29);
          }
        }

        if (s2 !== peg$FAILED) {
          s3 = peg$parsenumber();

          if (s3 !== peg$FAILED) {
            s2 = [s2, s3];
            s1 = s2;
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }

        if (s1 !== peg$FAILED) {
          s0 = input.substring(s0, peg$currPos);
        } else {
          s0 = s1;
        }

        if (s0 === peg$FAILED) {
          s0 = peg$parsechars();
        }

        return s0;
      }

      function peg$parseoptionalFormatPattern() {
        var s0, s1, s2, s3, s4, s5, s6, s7, s8;
        s0 = peg$currPos;
        s1 = peg$parse_();

        if (s1 !== peg$FAILED) {
          s2 = peg$parseselector();

          if (s2 !== peg$FAILED) {
            s3 = peg$parse_();

            if (s3 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 123) {
                s4 = peg$c5;
                peg$currPos++;
              } else {
                s4 = peg$FAILED;

                if (peg$silentFails === 0) {
                  peg$fail(peg$c6);
                }
              }

              if (s4 !== peg$FAILED) {
                s5 = peg$parse_();

                if (s5 !== peg$FAILED) {
                  s6 = peg$parsemessageFormatPattern();

                  if (s6 !== peg$FAILED) {
                    s7 = peg$parse_();

                    if (s7 !== peg$FAILED) {
                      if (input.charCodeAt(peg$currPos) === 125) {
                        s8 = peg$c9;
                        peg$currPos++;
                      } else {
                        s8 = peg$FAILED;

                        if (peg$silentFails === 0) {
                          peg$fail(peg$c10);
                        }
                      }

                      if (s8 !== peg$FAILED) {
                        peg$savedPos = s0;
                        s1 = peg$c30(s2, s6);
                        s0 = s1;
                      } else {
                        peg$currPos = s0;
                        s0 = peg$FAILED;
                      }
                    } else {
                      peg$currPos = s0;
                      s0 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }

        return s0;
      }

      function peg$parseoffset() {
        var s0, s1, s2, s3;
        s0 = peg$currPos;

        if (input.substr(peg$currPos, 7) === peg$c31) {
          s1 = peg$c31;
          peg$currPos += 7;
        } else {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c32);
          }
        }

        if (s1 !== peg$FAILED) {
          s2 = peg$parse_();

          if (s2 !== peg$FAILED) {
            s3 = peg$parsenumber();

            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c33(s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }

        return s0;
      }

      function peg$parsepluralStyle() {
        var s0, s1, s2, s3, s4;
        s0 = peg$currPos;
        s1 = peg$parseoffset();

        if (s1 === peg$FAILED) {
          s1 = null;
        }

        if (s1 !== peg$FAILED) {
          s2 = peg$parse_();

          if (s2 !== peg$FAILED) {
            s3 = [];
            s4 = peg$parseoptionalFormatPattern();

            if (s4 !== peg$FAILED) {
              while (s4 !== peg$FAILED) {
                s3.push(s4);
                s4 = peg$parseoptionalFormatPattern();
              }
            } else {
              s3 = peg$FAILED;
            }

            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c34(s1, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }

        return s0;
      }

      function peg$parsews() {
        var s0, s1;
        peg$silentFails++;
        s0 = [];

        if (peg$c36.test(input.charAt(peg$currPos))) {
          s1 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c37);
          }
        }

        if (s1 !== peg$FAILED) {
          while (s1 !== peg$FAILED) {
            s0.push(s1);

            if (peg$c36.test(input.charAt(peg$currPos))) {
              s1 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s1 = peg$FAILED;

              if (peg$silentFails === 0) {
                peg$fail(peg$c37);
              }
            }
          }
        } else {
          s0 = peg$FAILED;
        }

        peg$silentFails--;

        if (s0 === peg$FAILED) {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c35);
          }
        }

        return s0;
      }

      function peg$parse_() {
        var s0, s1, s2;
        peg$silentFails++;
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parsews();

        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parsews();
        }

        if (s1 !== peg$FAILED) {
          s0 = input.substring(s0, peg$currPos);
        } else {
          s0 = s1;
        }

        peg$silentFails--;

        if (s0 === peg$FAILED) {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c38);
          }
        }

        return s0;
      }

      function peg$parsedigit() {
        var s0;

        if (peg$c39.test(input.charAt(peg$currPos))) {
          s0 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s0 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c40);
          }
        }

        return s0;
      }

      function peg$parsehexDigit() {
        var s0;

        if (peg$c41.test(input.charAt(peg$currPos))) {
          s0 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s0 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c42);
          }
        }

        return s0;
      }

      function peg$parsenumber() {
        var s0, s1, s2, s3, s4, s5;
        s0 = peg$currPos;

        if (input.charCodeAt(peg$currPos) === 48) {
          s1 = peg$c43;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c44);
          }
        }

        if (s1 === peg$FAILED) {
          s1 = peg$currPos;
          s2 = peg$currPos;

          if (peg$c45.test(input.charAt(peg$currPos))) {
            s3 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s3 = peg$FAILED;

            if (peg$silentFails === 0) {
              peg$fail(peg$c46);
            }
          }

          if (s3 !== peg$FAILED) {
            s4 = [];
            s5 = peg$parsedigit();

            while (s5 !== peg$FAILED) {
              s4.push(s5);
              s5 = peg$parsedigit();
            }

            if (s4 !== peg$FAILED) {
              s3 = [s3, s4];
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }

          if (s2 !== peg$FAILED) {
            s1 = input.substring(s1, peg$currPos);
          } else {
            s1 = s2;
          }
        }

        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c47(s1);
        }

        s0 = s1;
        return s0;
      }

      function peg$parsechar() {
        var s0, s1, s2, s3, s4, s5, s6, s7;

        if (peg$c48.test(input.charAt(peg$currPos))) {
          s0 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s0 = peg$FAILED;

          if (peg$silentFails === 0) {
            peg$fail(peg$c49);
          }
        }

        if (s0 === peg$FAILED) {
          s0 = peg$currPos;

          if (input.substr(peg$currPos, 2) === peg$c50) {
            s1 = peg$c50;
            peg$currPos += 2;
          } else {
            s1 = peg$FAILED;

            if (peg$silentFails === 0) {
              peg$fail(peg$c51);
            }
          }

          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c52();
          }

          s0 = s1;

          if (s0 === peg$FAILED) {
            s0 = peg$currPos;

            if (input.substr(peg$currPos, 2) === peg$c53) {
              s1 = peg$c53;
              peg$currPos += 2;
            } else {
              s1 = peg$FAILED;

              if (peg$silentFails === 0) {
                peg$fail(peg$c54);
              }
            }

            if (s1 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c55();
            }

            s0 = s1;

            if (s0 === peg$FAILED) {
              s0 = peg$currPos;

              if (input.substr(peg$currPos, 2) === peg$c56) {
                s1 = peg$c56;
                peg$currPos += 2;
              } else {
                s1 = peg$FAILED;

                if (peg$silentFails === 0) {
                  peg$fail(peg$c57);
                }
              }

              if (s1 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c58();
              }

              s0 = s1;

              if (s0 === peg$FAILED) {
                s0 = peg$currPos;

                if (input.substr(peg$currPos, 2) === peg$c59) {
                  s1 = peg$c59;
                  peg$currPos += 2;
                } else {
                  s1 = peg$FAILED;

                  if (peg$silentFails === 0) {
                    peg$fail(peg$c60);
                  }
                }

                if (s1 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c61();
                }

                s0 = s1;

                if (s0 === peg$FAILED) {
                  s0 = peg$currPos;

                  if (input.substr(peg$currPos, 2) === peg$c62) {
                    s1 = peg$c62;
                    peg$currPos += 2;
                  } else {
                    s1 = peg$FAILED;

                    if (peg$silentFails === 0) {
                      peg$fail(peg$c63);
                    }
                  }

                  if (s1 !== peg$FAILED) {
                    s2 = peg$currPos;
                    s3 = peg$currPos;
                    s4 = peg$parsehexDigit();

                    if (s4 !== peg$FAILED) {
                      s5 = peg$parsehexDigit();

                      if (s5 !== peg$FAILED) {
                        s6 = peg$parsehexDigit();

                        if (s6 !== peg$FAILED) {
                          s7 = peg$parsehexDigit();

                          if (s7 !== peg$FAILED) {
                            s4 = [s4, s5, s6, s7];
                            s3 = s4;
                          } else {
                            peg$currPos = s3;
                            s3 = peg$FAILED;
                          }
                        } else {
                          peg$currPos = s3;
                          s3 = peg$FAILED;
                        }
                      } else {
                        peg$currPos = s3;
                        s3 = peg$FAILED;
                      }
                    } else {
                      peg$currPos = s3;
                      s3 = peg$FAILED;
                    }

                    if (s3 !== peg$FAILED) {
                      s2 = input.substring(s2, peg$currPos);
                    } else {
                      s2 = s3;
                    }

                    if (s2 !== peg$FAILED) {
                      peg$savedPos = s0;
                      s1 = peg$c64(s2);
                      s0 = s1;
                    } else {
                      peg$currPos = s0;
                      s0 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                }
              }
            }
          }
        }

        return s0;
      }

      function peg$parsechars() {
        var s0, s1, s2;
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parsechar();

        if (s2 !== peg$FAILED) {
          while (s2 !== peg$FAILED) {
            s1.push(s2);
            s2 = peg$parsechar();
          }
        } else {
          s1 = peg$FAILED;
        }

        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c65(s1);
        }

        s0 = s1;
        return s0;
      }

      peg$result = peg$startRuleFunction();

      if (peg$result !== peg$FAILED && peg$currPos === input.length) {
        return peg$result;
      } else {
        if (peg$result !== peg$FAILED && peg$currPos < input.length) {
          peg$fail({
            type: "end",
            description: "end of input"
          });
        }

        throw peg$buildException(null, peg$maxFailExpected, peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null, peg$maxFailPos < input.length ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1) : peg$computeLocation(peg$maxFailPos, peg$maxFailPos));
      }
    }

    return {
      SyntaxError: peg$SyntaxError,
      parse: peg$parse
    };
  }();
});

var intlMessageformatParser = createCommonjsModule(function (module, exports) {

  exports = module.exports = parser['default'];
  exports['default'] = exports;
});

var core$1 = createCommonjsModule(function (module, exports) {

  exports["default"] = MessageFormat; // -- MessageFormat --------------------------------------------------------

  function MessageFormat(message, locales, formats) {
    // Parse string messages into an AST.
    var ast = typeof message === 'string' ? MessageFormat.__parse(message) : message;

    if (!(ast && ast.type === 'messageFormatPattern')) {
      throw new TypeError('A message must be provided as a String or AST.');
    } // Creates a new object with the specified `formats` merged with the default
    // formats.


    formats = this._mergeFormats(MessageFormat.formats, formats); // Defined first because it's used to build the format pattern.

    es5$1.defineProperty(this, '_locale', {
      value: this._resolveLocale(locales)
    }); // Compile the `ast` to a pattern that is highly optimized for repeated
    // `format()` invocations. **Note:** This passes the `locales` set provided
    // to the constructor instead of just the resolved locale.

    var pluralFn = this._findPluralRuleFunction(this._locale);

    var pattern = this._compilePattern(ast, locales, formats, pluralFn); // "Bind" `format()` method to `this` so it can be passed by reference like
    // the other `Intl` APIs.


    var messageFormat = this;

    this.format = function (values) {
      try {
        return messageFormat._format(pattern, values);
      } catch (e) {
        if (e.variableId) {
          throw new Error('The intl string context variable \'' + e.variableId + '\'' + ' was not provided to the string \'' + message + '\'');
        } else {
          throw e;
        }
      }
    };
  } // Default format options used as the prototype of the `formats` provided to the
  // constructor. These are used when constructing the internal Intl.NumberFormat
  // and Intl.DateTimeFormat instances.


  es5$1.defineProperty(MessageFormat, 'formats', {
    enumerable: true,
    value: {
      number: {
        'currency': {
          style: 'currency'
        },
        'percent': {
          style: 'percent'
        }
      },
      date: {
        'short': {
          month: 'numeric',
          day: 'numeric',
          year: '2-digit'
        },
        'medium': {
          month: 'short',
          day: 'numeric',
          year: 'numeric'
        },
        'long': {
          month: 'long',
          day: 'numeric',
          year: 'numeric'
        },
        'full': {
          weekday: 'long',
          month: 'long',
          day: 'numeric',
          year: 'numeric'
        }
      },
      time: {
        'short': {
          hour: 'numeric',
          minute: 'numeric'
        },
        'medium': {
          hour: 'numeric',
          minute: 'numeric',
          second: 'numeric'
        },
        'long': {
          hour: 'numeric',
          minute: 'numeric',
          second: 'numeric',
          timeZoneName: 'short'
        },
        'full': {
          hour: 'numeric',
          minute: 'numeric',
          second: 'numeric',
          timeZoneName: 'short'
        }
      }
    }
  }); // Define internal private properties for dealing with locale data.

  es5$1.defineProperty(MessageFormat, '__localeData__', {
    value: es5$1.objCreate(null)
  });
  es5$1.defineProperty(MessageFormat, '__addLocaleData', {
    value: function value(data) {
      if (!(data && data.locale)) {
        throw new Error('Locale data provided to IntlMessageFormat is missing a ' + '`locale` property');
      }

      MessageFormat.__localeData__[data.locale.toLowerCase()] = data;
    }
  }); // Defines `__parse()` static method as an exposed private.

  es5$1.defineProperty(MessageFormat, '__parse', {
    value: intlMessageformatParser["default"].parse
  }); // Define public `defaultLocale` property which defaults to English, but can be
  // set by the developer.

  es5$1.defineProperty(MessageFormat, 'defaultLocale', {
    enumerable: true,
    writable: true,
    value: undefined
  });

  MessageFormat.prototype.resolvedOptions = function () {
    // TODO: Provide anything else?
    return {
      locale: this._locale
    };
  };

  MessageFormat.prototype._compilePattern = function (ast, locales, formats, pluralFn) {
    var compiler$1 = new compiler["default"](locales, formats, pluralFn);
    return compiler$1.compile(ast);
  };

  MessageFormat.prototype._findPluralRuleFunction = function (locale) {
    var localeData = MessageFormat.__localeData__;
    var data = localeData[locale.toLowerCase()]; // The locale data is de-duplicated, so we have to traverse the locale's
    // hierarchy until we find a `pluralRuleFunction` to return.

    while (data) {
      if (data.pluralRuleFunction) {
        return data.pluralRuleFunction;
      }

      data = data.parentLocale && localeData[data.parentLocale.toLowerCase()];
    }

    throw new Error('Locale data added to IntlMessageFormat is missing a ' + '`pluralRuleFunction` for :' + locale);
  };

  MessageFormat.prototype._format = function (pattern, values) {
    var result = '',
        i,
        len,
        part,
        id,
        value,
        err;

    for (i = 0, len = pattern.length; i < len; i += 1) {
      part = pattern[i]; // Exist early for string parts.

      if (typeof part === 'string') {
        result += part;
        continue;
      }

      id = part.id; // Enforce that all required values are provided by the caller.

      if (!(values && utils.hop.call(values, id))) {
        err = new Error('A value must be provided for: ' + id);
        err.variableId = id;
        throw err;
      }

      value = values[id]; // Recursively format plural and select parts' option — which can be a
      // nested pattern structure. The choosing of the option to use is
      // abstracted-by and delegated-to the part helper object.

      if (part.options) {
        result += this._format(part.getOption(value), values);
      } else {
        result += part.format(value);
      }
    }

    return result;
  };

  MessageFormat.prototype._mergeFormats = function (defaults, formats) {
    var mergedFormats = {},
        type,
        mergedType;

    for (type in defaults) {
      if (!utils.hop.call(defaults, type)) {
        continue;
      }

      mergedFormats[type] = mergedType = es5$1.objCreate(defaults[type]);

      if (formats && utils.hop.call(formats, type)) {
        utils.extend(mergedType, formats[type]);
      }
    }

    return mergedFormats;
  };

  MessageFormat.prototype._resolveLocale = function (locales) {
    if (typeof locales === 'string') {
      locales = [locales];
    } // Create a copy of the array so we can push on the default locale.


    locales = (locales || []).concat(MessageFormat.defaultLocale);
    var localeData = MessageFormat.__localeData__;
    var i, len, localeParts, data; // Using the set of locales + the default locale, we look for the first one
    // which that has been registered. When data does not exist for a locale, we
    // traverse its ancestors to find something that's been registered within
    // its hierarchy of locales. Since we lack the proper `parentLocale` data
    // here, we must take a naive approach to traversal.

    for (i = 0, len = locales.length; i < len; i += 1) {
      localeParts = locales[i].toLowerCase().split('-');

      while (localeParts.length) {
        data = localeData[localeParts.join('-')];

        if (data) {
          // Return the normalized locale string; e.g., we return "en-US",
          // instead of "en-us".
          return data.locale;
        }

        localeParts.pop();
      }
    }

    var defaultLocale = locales.pop();
    throw new Error('No locale data has been added to IntlMessageFormat for: ' + locales.join(', ') + ', or the default locale: ' + defaultLocale);
  };
});

var en$1 = createCommonjsModule(function (module, exports) {

  exports["default"] = {
    "locale": "en",
    "pluralRuleFunction": function pluralRuleFunction(n, ord) {
      var s = String(n).split("."),
          v0 = !s[1],
          t0 = Number(s[0]) == n,
          n10 = t0 && s[0].slice(-1),
          n100 = t0 && s[0].slice(-2);
      if (ord) return n10 == 1 && n100 != 11 ? "one" : n10 == 2 && n100 != 12 ? "two" : n10 == 3 && n100 != 13 ? "few" : "other";
      return n == 1 && v0 ? "one" : "other";
    }
  };
});

var main$1 = createCommonjsModule(function (module, exports) {

  core$1["default"].__addLocaleData(en$1["default"]);

  core$1["default"].defaultLocale = 'en';
  exports["default"] = core$1["default"];
});

var intlMessageformat = createCommonjsModule(function (module, exports) {

  var IntlMessageFormat = main$1['default']; // Add all locale data to `IntlMessageFormat`. This module will be ignored when
  // bundling for the browser with Browserify/Webpack.
  // Re-export `IntlMessageFormat` as the CommonJS default exports with all the
  // locale data registered, and with English set as the default locale. Define
  // the `default` prop for use with other compiled ES6 Modules.

  exports = module.exports = IntlMessageFormat;
  exports['default'] = exports;
});

var diff = createCommonjsModule(function (module, exports) {
  /*
  Copyright (c) 2014, Yahoo! Inc. All rights reserved.
  Copyrights licensed under the New BSD License.
  See the accompanying LICENSE file for terms.
  */

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  /* jslint esnext: true */

  var round = Math.round;

  function daysToYears(days) {
    // 400 years have 146097 days (taking into account leap year rules)
    return days * 400 / 146097;
  } // Thanks to date-fns
  // https://github.com/date-fns/date-fns
  // MIT © Sasha Koss


  var MILLISECONDS_IN_MINUTE = 60000;
  var MILLISECONDS_IN_DAY = 86400000;

  function startOfDay(dirtyDate) {
    var date = new Date(dirtyDate);
    date.setHours(0, 0, 0, 0);
    return date;
  }

  function differenceInCalendarDays(dirtyDateLeft, dirtyDateRight) {
    var startOfDayLeft = startOfDay(dirtyDateLeft);
    var startOfDayRight = startOfDay(dirtyDateRight);
    var timestampLeft = startOfDayLeft.getTime() - startOfDayLeft.getTimezoneOffset() * MILLISECONDS_IN_MINUTE;
    var timestampRight = startOfDayRight.getTime() - startOfDayRight.getTimezoneOffset() * MILLISECONDS_IN_MINUTE; // Round the number of days to the nearest integer
    // because the number of milliseconds in a day is not constant
    // (e.g. it's different in the day of the daylight saving time clock shift)

    return Math.round((timestampLeft - timestampRight) / MILLISECONDS_IN_DAY);
  }

  function default_1(from, to) {
    // Convert to ms timestamps.
    from = +from;
    to = +to;
    var millisecond = round(to - from),
        second = round(millisecond / 1000),
        minute = round(second / 60),
        hour = round(minute / 60); // We expect a more precision in rounding when dealing with
    // days as it feels wrong when something happended 13 hours ago and
    // is regarded as "yesterday" even if the time was this morning.

    var day = differenceInCalendarDays(to, from);
    var week = round(day / 7);
    var rawYears = daysToYears(day),
        month = round(rawYears * 12),
        year = round(rawYears);
    return {
      millisecond: millisecond,
      second: second,
      'second-short': second,
      minute: minute,
      'minute-short': minute,
      hour: hour,
      'hour-short': hour,
      day: day,
      'day-short': day,
      week: week,
      'week-short': week,
      month: month,
      'month-short': month,
      year: year,
      'year-short': year
    };
  }

  exports.default = default_1;
});

var es5 = createCommonjsModule(function (module, exports) {
  /*
  Copyright (c) 2014, Yahoo! Inc. All rights reserved.
  Copyrights licensed under the New BSD License.
  See the accompanying LICENSE file for terms.
  */

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  /* jslint esnext: true */
  // Purposely using the same implementation as the Intl.js `Intl` polyfill.
  // Copyright 2013 Andy Earnshaw, MIT License

  var hop = Object.prototype.hasOwnProperty;
  var toString = Object.prototype.toString;

  var realDefineProp = function () {
    try {
      return !!Object.defineProperty({}, 'a', {});
    } catch (e) {
      return false;
    }
  }();
  var defineProperty = realDefineProp ? Object.defineProperty : function (obj, name, desc) {
    if ('get' in desc && obj.__defineGetter__) {
      obj.__defineGetter__(name, desc.get);
    } else if (!hop.call(obj, name) || 'value' in desc) {
      obj[name] = desc.value;
    }
  };
  exports.defineProperty = defineProperty;

  var objCreate = Object.create || function (proto, props) {
    var obj, k;

    function F() {}

    F.prototype = proto;
    obj = new F();

    for (k in props) {
      if (hop.call(props, k)) {
        defineProperty(obj, k, props[k]);
      }
    }

    return obj;
  };

  exports.objCreate = objCreate;

  var arrIndexOf = Array.prototype.indexOf || function (search, fromIndex) {
    /*jshint validthis:true */
    var arr = this;

    if (!arr.length) {
      return -1;
    }

    for (var i = fromIndex || 0, max = arr.length; i < max; i++) {
      if (arr[i] === search) {
        return i;
      }
    }

    return -1;
  };

  exports.arrIndexOf = arrIndexOf;

  var isArray = Array.isArray || function (obj) {
    return toString.call(obj) === '[object Array]';
  };

  exports.isArray = isArray;

  var dateNow = Date.now || function () {
    return new Date().getTime();
  };

  exports.dateNow = dateNow;
});

var core = createCommonjsModule(function (module, exports) {
  /*
  Copyright (c) 2014, Yahoo! Inc. All rights reserved.
  Copyrights licensed under the New BSD License.
  See the accompanying LICENSE file for terms.
  */

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  /* jslint esnext: true */

  exports.default = RelativeFormat; // -----------------------------------------------------------------------------

  var FIELDS = ['second', 'second-short', 'minute', 'minute-short', 'hour', 'hour-short', 'day', 'day-short', 'month', 'month-short', 'year', 'year-short'];
  var STYLES = ['best fit', 'numeric']; // -- RelativeFormat -----------------------------------------------------------

  function RelativeFormat(locales, options) {
    options = options || {}; // Make a copy of `locales` if it's an array, so that it doesn't change
    // since it's used lazily.

    if (es5.isArray(locales)) {
      locales = locales.concat();
    }

    es5.defineProperty(this, '_locale', {
      value: this._resolveLocale(locales)
    });
    es5.defineProperty(this, '_options', {
      value: {
        style: this._resolveStyle(options.style),
        units: this._isValidUnits(options.units) && options.units
      }
    });
    es5.defineProperty(this, '_locales', {
      value: locales
    });
    es5.defineProperty(this, '_fields', {
      value: this._findFields(this._locale)
    });
    es5.defineProperty(this, '_messages', {
      value: es5.objCreate(null)
    }); // "Bind" `format()` method to `this` so it can be passed by reference like
    // the other `Intl` APIs.

    var relativeFormat = this;

    this.format = function format(date, options) {
      return relativeFormat._format(date, options);
    };
  } // Define internal private properties for dealing with locale data.


  es5.defineProperty(RelativeFormat, '__localeData__', {
    value: es5.objCreate(null)
  });
  es5.defineProperty(RelativeFormat, '__addLocaleData', {
    value: function value() {
      for (var i = 0; i < arguments.length; i++) {
        var datum = arguments[i];

        if (!(datum && datum.locale)) {
          throw new Error('Locale data provided to IntlRelativeFormat is missing a ' + '`locale` property value');
        }

        RelativeFormat.__localeData__[datum.locale.toLowerCase()] = datum; // Add data to IntlMessageFormat.

        intlMessageformat.default.__addLocaleData(datum);
      }
    }
  }); // Define public `defaultLocale` property which can be set by the developer, or
  // it will be set when the first RelativeFormat instance is created by
  // leveraging the resolved locale from `Intl`.

  es5.defineProperty(RelativeFormat, 'defaultLocale', {
    enumerable: true,
    writable: true,
    value: undefined
  }); // Define public `thresholds` property which can be set by the developer, and
  // defaults to relative time thresholds from moment.js.

  es5.defineProperty(RelativeFormat, 'thresholds', {
    enumerable: true,
    value: {
      second: 45,
      'second-short': 45,
      minute: 45,
      'minute-short': 45,
      hour: 22,
      'hour-short': 22,
      day: 26,
      'day-short': 26,
      month: 11,
      'month-short': 11 // months to year

    }
  });

  RelativeFormat.prototype.resolvedOptions = function () {
    return {
      locale: this._locale,
      style: this._options.style,
      units: this._options.units
    };
  };

  RelativeFormat.prototype._compileMessage = function (units) {
    // `this._locales` is the original set of locales the user specified to the
    // constructor, while `this._locale` is the resolved root locale.
    var locales = this._locales;
    this._locale;
    var field = this._fields[units];
    var relativeTime = field.relativeTime;
    var future = '';
    var past = '';
    var i;

    for (i in relativeTime.future) {
      if (relativeTime.future.hasOwnProperty(i)) {
        future += ' ' + i + ' {' + relativeTime.future[i].replace('{0}', '#') + '}';
      }
    }

    for (i in relativeTime.past) {
      if (relativeTime.past.hasOwnProperty(i)) {
        past += ' ' + i + ' {' + relativeTime.past[i].replace('{0}', '#') + '}';
      }
    }

    var message = '{when, select, future {{0, plural, ' + future + '}}' + 'past {{0, plural, ' + past + '}}}'; // Create the synthetic IntlMessageFormat instance using the original
    // locales value specified by the user when constructing the the parent
    // IntlRelativeFormat instance.

    return new intlMessageformat.default(message, locales);
  };

  RelativeFormat.prototype._getMessage = function (units) {
    var messages = this._messages; // Create a new synthetic message based on the locale data from CLDR.

    if (!messages[units]) {
      messages[units] = this._compileMessage(units);
    }

    return messages[units];
  };

  RelativeFormat.prototype._getRelativeUnits = function (diff, units) {
    var field = this._fields[units];

    if (field.relative) {
      return field.relative[diff];
    }
  };

  RelativeFormat.prototype._findFields = function (locale) {
    var localeData = RelativeFormat.__localeData__;
    var data = localeData[locale.toLowerCase()]; // The locale data is de-duplicated, so we have to traverse the locale's
    // hierarchy until we find `fields` to return.

    while (data) {
      if (data.fields) {
        return data.fields;
      }

      data = data.parentLocale && localeData[data.parentLocale.toLowerCase()];
    }

    throw new Error('Locale data added to IntlRelativeFormat is missing `fields` for :' + locale);
  };

  RelativeFormat.prototype._format = function (date, options) {
    var now = options && options.now !== undefined ? options.now : es5.dateNow();

    if (date === undefined) {
      date = now;
    } // Determine if the `date` and optional `now` values are valid, and throw a
    // similar error to what `Intl.DateTimeFormat#format()` would throw.


    if (!isFinite(now)) {
      throw new RangeError('The `now` option provided to IntlRelativeFormat#format() is not ' + 'in valid range.');
    }

    if (!isFinite(date)) {
      throw new RangeError('The date value provided to IntlRelativeFormat#format() is not ' + 'in valid range.');
    }

    var diffReport = diff.default(now, date);

    var units = this._options.units || this._selectUnits(diffReport);

    var diffInUnits = diffReport[units];

    if (this._options.style !== 'numeric') {
      var relativeUnits = this._getRelativeUnits(diffInUnits, units);

      if (relativeUnits) {
        return relativeUnits;
      }
    }

    return this._getMessage(units).format({
      '0': Math.abs(diffInUnits),
      when: diffInUnits < 0 ? 'past' : 'future'
    });
  };

  RelativeFormat.prototype._isValidUnits = function (units) {
    if (!units || es5.arrIndexOf.call(FIELDS, units) >= 0) {
      return true;
    }

    if (typeof units === 'string') {
      var suggestion = /s$/.test(units) && units.substr(0, units.length - 1);

      if (suggestion && es5.arrIndexOf.call(FIELDS, suggestion) >= 0) {
        throw new Error('"' + units + '" is not a valid IntlRelativeFormat `units` ' + 'value, did you mean: ' + suggestion);
      }
    }

    throw new Error('"' + units + '" is not a valid IntlRelativeFormat `units` value, it ' + 'must be one of: "' + FIELDS.join('", "') + '"');
  };

  RelativeFormat.prototype._resolveLocale = function (locales) {
    if (typeof locales === 'string') {
      locales = [locales];
    } // Create a copy of the array so we can push on the default locale.


    locales = (locales || []).concat(RelativeFormat.defaultLocale);
    var localeData = RelativeFormat.__localeData__;
    var i, len, localeParts, data; // Using the set of locales + the default locale, we look for the first one
    // which that has been registered. When data does not exist for a locale, we
    // traverse its ancestors to find something that's been registered within
    // its hierarchy of locales. Since we lack the proper `parentLocale` data
    // here, we must take a naive approach to traversal.

    for (i = 0, len = locales.length; i < len; i += 1) {
      localeParts = locales[i].toLowerCase().split('-');

      while (localeParts.length) {
        data = localeData[localeParts.join('-')];

        if (data) {
          // Return the normalized locale string; e.g., we return "en-US",
          // instead of "en-us".
          return data.locale;
        }

        localeParts.pop();
      }
    }

    var defaultLocale = locales.pop();
    throw new Error('No locale data has been added to IntlRelativeFormat for: ' + locales.join(', ') + ', or the default locale: ' + defaultLocale);
  };

  RelativeFormat.prototype._resolveStyle = function (style) {
    // Default to "best fit" style.
    if (!style) {
      return STYLES[0];
    }

    if (es5.arrIndexOf.call(STYLES, style) >= 0) {
      return style;
    }

    throw new Error('"' + style + '" is not a valid IntlRelativeFormat `style` value, it ' + 'must be one of: "' + STYLES.join('", "') + '"');
  };

  RelativeFormat.prototype._selectUnits = function (diffReport) {
    var i, l, units;
    var fields = FIELDS.filter(function (field) {
      return field.indexOf('-short') < 1;
    });

    for (i = 0, l = fields.length; i < l; i += 1) {
      units = fields[i];

      if (Math.abs(diffReport[units]) < RelativeFormat.thresholds[units]) {
        break;
      }
    }

    return units;
  };
});

var en = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  /* @generated */

  exports.default = {
    "locale": "en",
    "pluralRuleFunction": function pluralRuleFunction(n, ord) {
      var s = String(n).split('.'),
          v0 = !s[1],
          t0 = Number(s[0]) == n,
          n10 = t0 && s[0].slice(-1),
          n100 = t0 && s[0].slice(-2);
      if (ord) return n10 == 1 && n100 != 11 ? 'one' : n10 == 2 && n100 != 12 ? 'two' : n10 == 3 && n100 != 13 ? 'few' : 'other';
      return n == 1 && v0 ? 'one' : 'other';
    },
    "fields": {
      "year": {
        "displayName": "year",
        "relative": {
          "0": "this year",
          "1": "next year",
          "-1": "last year"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} year",
            "other": "in {0} years"
          },
          "past": {
            "one": "{0} year ago",
            "other": "{0} years ago"
          }
        }
      },
      "year-short": {
        "displayName": "yr.",
        "relative": {
          "0": "this yr.",
          "1": "next yr.",
          "-1": "last yr."
        },
        "relativeTime": {
          "future": {
            "one": "in {0} yr.",
            "other": "in {0} yr."
          },
          "past": {
            "one": "{0} yr. ago",
            "other": "{0} yr. ago"
          }
        }
      },
      "month": {
        "displayName": "month",
        "relative": {
          "0": "this month",
          "1": "next month",
          "-1": "last month"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} month",
            "other": "in {0} months"
          },
          "past": {
            "one": "{0} month ago",
            "other": "{0} months ago"
          }
        }
      },
      "month-short": {
        "displayName": "mo.",
        "relative": {
          "0": "this mo.",
          "1": "next mo.",
          "-1": "last mo."
        },
        "relativeTime": {
          "future": {
            "one": "in {0} mo.",
            "other": "in {0} mo."
          },
          "past": {
            "one": "{0} mo. ago",
            "other": "{0} mo. ago"
          }
        }
      },
      "week": {
        "displayName": "week",
        "relativePeriod": "the week of {0}",
        "relative": {
          "0": "this week",
          "1": "next week",
          "-1": "last week"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} week",
            "other": "in {0} weeks"
          },
          "past": {
            "one": "{0} week ago",
            "other": "{0} weeks ago"
          }
        }
      },
      "week-short": {
        "displayName": "wk.",
        "relativePeriod": "the week of {0}",
        "relative": {
          "0": "this wk.",
          "1": "next wk.",
          "-1": "last wk."
        },
        "relativeTime": {
          "future": {
            "one": "in {0} wk.",
            "other": "in {0} wk."
          },
          "past": {
            "one": "{0} wk. ago",
            "other": "{0} wk. ago"
          }
        }
      },
      "day": {
        "displayName": "day",
        "relative": {
          "0": "today",
          "1": "tomorrow",
          "-1": "yesterday"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} day",
            "other": "in {0} days"
          },
          "past": {
            "one": "{0} day ago",
            "other": "{0} days ago"
          }
        }
      },
      "day-short": {
        "displayName": "day",
        "relative": {
          "0": "today",
          "1": "tomorrow",
          "-1": "yesterday"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} day",
            "other": "in {0} days"
          },
          "past": {
            "one": "{0} day ago",
            "other": "{0} days ago"
          }
        }
      },
      "hour": {
        "displayName": "hour",
        "relative": {
          "0": "this hour"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} hour",
            "other": "in {0} hours"
          },
          "past": {
            "one": "{0} hour ago",
            "other": "{0} hours ago"
          }
        }
      },
      "hour-short": {
        "displayName": "hr.",
        "relative": {
          "0": "this hour"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} hr.",
            "other": "in {0} hr."
          },
          "past": {
            "one": "{0} hr. ago",
            "other": "{0} hr. ago"
          }
        }
      },
      "minute": {
        "displayName": "minute",
        "relative": {
          "0": "this minute"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} minute",
            "other": "in {0} minutes"
          },
          "past": {
            "one": "{0} minute ago",
            "other": "{0} minutes ago"
          }
        }
      },
      "minute-short": {
        "displayName": "min.",
        "relative": {
          "0": "this minute"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} min.",
            "other": "in {0} min."
          },
          "past": {
            "one": "{0} min. ago",
            "other": "{0} min. ago"
          }
        }
      },
      "second": {
        "displayName": "second",
        "relative": {
          "0": "now"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} second",
            "other": "in {0} seconds"
          },
          "past": {
            "one": "{0} second ago",
            "other": "{0} seconds ago"
          }
        }
      },
      "second-short": {
        "displayName": "sec.",
        "relative": {
          "0": "now"
        },
        "relativeTime": {
          "future": {
            "one": "in {0} sec.",
            "other": "in {0} sec."
          },
          "past": {
            "one": "{0} sec. ago",
            "other": "{0} sec. ago"
          }
        }
      }
    }
  };
});

var main = createCommonjsModule(function (module, exports) {
  /* jslint esnext: true */

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  core.default.__addLocaleData(en.default);

  core.default.defaultLocale = 'en';
  exports.default = core.default;
});

var intlRelativeformat = createCommonjsModule(function (module, exports) {

  var IntlRelativeFormat = main['default']; // Add all locale data to `IntlRelativeFormat`. This module will be ignored when
  // bundling for the browser with Browserify/Webpack.
  // Re-export `IntlRelativeFormat` as the CommonJS default exports with all the
  // locale data registered, and with English set as the default locale. Define
  // the `default` prop for use with other compiled ES6 Modules.

  exports = module.exports = IntlRelativeFormat;
  exports['default'] = exports;
});

var reactIs_development = createCommonjsModule(function (module, exports) {

  {
    (function () {
      // nor polyfill, then a plain number is used for performance.

      var hasSymbol = typeof Symbol === 'function' && Symbol.for;
      var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;
      var REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca;
      var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb;
      var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc;
      var REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;
      var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;
      var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary
      // (unstable) APIs that have been removed. Can we remove the symbols?

      var REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol.for('react.async_mode') : 0xeacf;
      var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;
      var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
      var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;
      var REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8;
      var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;
      var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;
      var REACT_BLOCK_TYPE = hasSymbol ? Symbol.for('react.block') : 0xead9;
      var REACT_FUNDAMENTAL_TYPE = hasSymbol ? Symbol.for('react.fundamental') : 0xead5;
      var REACT_RESPONDER_TYPE = hasSymbol ? Symbol.for('react.responder') : 0xead6;
      var REACT_SCOPE_TYPE = hasSymbol ? Symbol.for('react.scope') : 0xead7;

      function isValidElementType(type) {
        return typeof type === 'string' || typeof type === 'function' || // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.
        type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || _typeof$1(type) === 'object' && type !== null && (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_RESPONDER_TYPE || type.$$typeof === REACT_SCOPE_TYPE || type.$$typeof === REACT_BLOCK_TYPE);
      }

      function typeOf(object) {
        if (_typeof$1(object) === 'object' && object !== null) {
          var $$typeof = object.$$typeof;

          switch ($$typeof) {
            case REACT_ELEMENT_TYPE:
              var type = object.type;

              switch (type) {
                case REACT_ASYNC_MODE_TYPE:
                case REACT_CONCURRENT_MODE_TYPE:
                case REACT_FRAGMENT_TYPE:
                case REACT_PROFILER_TYPE:
                case REACT_STRICT_MODE_TYPE:
                case REACT_SUSPENSE_TYPE:
                  return type;

                default:
                  var $$typeofType = type && type.$$typeof;

                  switch ($$typeofType) {
                    case REACT_CONTEXT_TYPE:
                    case REACT_FORWARD_REF_TYPE:
                    case REACT_LAZY_TYPE:
                    case REACT_MEMO_TYPE:
                    case REACT_PROVIDER_TYPE:
                      return $$typeofType;

                    default:
                      return $$typeof;
                  }

              }

            case REACT_PORTAL_TYPE:
              return $$typeof;
          }
        }

        return undefined;
      } // AsyncMode is deprecated along with isAsyncMode


      var AsyncMode = REACT_ASYNC_MODE_TYPE;
      var ConcurrentMode = REACT_CONCURRENT_MODE_TYPE;
      var ContextConsumer = REACT_CONTEXT_TYPE;
      var ContextProvider = REACT_PROVIDER_TYPE;
      var Element = REACT_ELEMENT_TYPE;
      var ForwardRef = REACT_FORWARD_REF_TYPE;
      var Fragment = REACT_FRAGMENT_TYPE;
      var Lazy = REACT_LAZY_TYPE;
      var Memo = REACT_MEMO_TYPE;
      var Portal = REACT_PORTAL_TYPE;
      var Profiler = REACT_PROFILER_TYPE;
      var StrictMode = REACT_STRICT_MODE_TYPE;
      var Suspense = REACT_SUSPENSE_TYPE;
      var hasWarnedAboutDeprecatedIsAsyncMode = false; // AsyncMode should be deprecated

      function isAsyncMode(object) {
        {
          if (!hasWarnedAboutDeprecatedIsAsyncMode) {
            hasWarnedAboutDeprecatedIsAsyncMode = true; // Using console['warn'] to evade Babel and ESLint

            console['warn']('The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 17+. Update your code to use ' + 'ReactIs.isConcurrentMode() instead. It has the exact same API.');
          }
        }
        return isConcurrentMode(object) || typeOf(object) === REACT_ASYNC_MODE_TYPE;
      }

      function isConcurrentMode(object) {
        return typeOf(object) === REACT_CONCURRENT_MODE_TYPE;
      }

      function isContextConsumer(object) {
        return typeOf(object) === REACT_CONTEXT_TYPE;
      }

      function isContextProvider(object) {
        return typeOf(object) === REACT_PROVIDER_TYPE;
      }

      function isElement(object) {
        return _typeof$1(object) === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
      }

      function isForwardRef(object) {
        return typeOf(object) === REACT_FORWARD_REF_TYPE;
      }

      function isFragment(object) {
        return typeOf(object) === REACT_FRAGMENT_TYPE;
      }

      function isLazy(object) {
        return typeOf(object) === REACT_LAZY_TYPE;
      }

      function isMemo(object) {
        return typeOf(object) === REACT_MEMO_TYPE;
      }

      function isPortal(object) {
        return typeOf(object) === REACT_PORTAL_TYPE;
      }

      function isProfiler(object) {
        return typeOf(object) === REACT_PROFILER_TYPE;
      }

      function isStrictMode(object) {
        return typeOf(object) === REACT_STRICT_MODE_TYPE;
      }

      function isSuspense(object) {
        return typeOf(object) === REACT_SUSPENSE_TYPE;
      }

      exports.AsyncMode = AsyncMode;
      exports.ConcurrentMode = ConcurrentMode;
      exports.ContextConsumer = ContextConsumer;
      exports.ContextProvider = ContextProvider;
      exports.Element = Element;
      exports.ForwardRef = ForwardRef;
      exports.Fragment = Fragment;
      exports.Lazy = Lazy;
      exports.Memo = Memo;
      exports.Portal = Portal;
      exports.Profiler = Profiler;
      exports.StrictMode = StrictMode;
      exports.Suspense = Suspense;
      exports.isAsyncMode = isAsyncMode;
      exports.isConcurrentMode = isConcurrentMode;
      exports.isContextConsumer = isContextConsumer;
      exports.isContextProvider = isContextProvider;
      exports.isElement = isElement;
      exports.isForwardRef = isForwardRef;
      exports.isFragment = isFragment;
      exports.isLazy = isLazy;
      exports.isMemo = isMemo;
      exports.isPortal = isPortal;
      exports.isProfiler = isProfiler;
      exports.isStrictMode = isStrictMode;
      exports.isSuspense = isSuspense;
      exports.isValidElementType = isValidElementType;
      exports.typeOf = typeOf;
    })();
  }
});

var reactIs = createCommonjsModule(function (module) {

  {
    module.exports = reactIs_development;
  }
});

var printWarning = function printWarning() {};

{
  printWarning = function printWarning(text) {
    var message = 'Warning: ' + text;

    if (typeof console !== 'undefined') {
      console.error(message);
    }

    try {
      // --- Welcome to debugging React ---
      // This error was thrown as a convenience so that you can use this stack
      // to find the callsite that caused this warning to fire.
      throw new Error(message);
    } catch (x) {}
  };
}

function emptyFunctionThatReturnsNull() {
  return null;
}

var factoryWithTypeCheckers = function factoryWithTypeCheckers(isValidElement, throwOnDirectAccess) {
  /* global Symbol */
  var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
  var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.

  /**
   * Returns the iterator method function contained on the iterable object.
   *
   * Be sure to invoke the function with the iterable as context:
   *
   *     var iteratorFn = getIteratorFn(myIterable);
   *     if (iteratorFn) {
   *       var iterator = iteratorFn.call(myIterable);
   *       ...
   *     }
   *
   * @param {?object} maybeIterable
   * @return {?function}
   */

  function getIteratorFn(maybeIterable) {
    var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);

    if (typeof iteratorFn === 'function') {
      return iteratorFn;
    }
  }
  /**
   * Collection of methods that allow declaration and validation of props that are
   * supplied to React components. Example usage:
   *
   *   var Props = require('ReactPropTypes');
   *   var MyArticle = React.createClass({
   *     propTypes: {
   *       // An optional string prop named "description".
   *       description: Props.string,
   *
   *       // A required enum prop named "category".
   *       category: Props.oneOf(['News','Photos']).isRequired,
   *
   *       // A prop named "dialog" that requires an instance of Dialog.
   *       dialog: Props.instanceOf(Dialog).isRequired
   *     },
   *     render: function() { ... }
   *   });
   *
   * A more formal specification of how these methods are used:
   *
   *   type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)
   *   decl := ReactPropTypes.{type}(.isRequired)?
   *
   * Each and every declaration produces a function with the same signature. This
   * allows the creation of custom validation functions. For example:
   *
   *  var MyLink = React.createClass({
   *    propTypes: {
   *      // An optional string or URI prop named "href".
   *      href: function(props, propName, componentName) {
   *        var propValue = props[propName];
   *        if (propValue != null && typeof propValue !== 'string' &&
   *            !(propValue instanceof URI)) {
   *          return new Error(
   *            'Expected a string or an URI for ' + propName + ' in ' +
   *            componentName
   *          );
   *        }
   *      }
   *    },
   *    render: function() {...}
   *  });
   *
   * @internal
   */


  var ANONYMOUS = '<<anonymous>>'; // Important!
  // Keep this list in sync with production version in `./factoryWithThrowingShims.js`.

  var ReactPropTypes = {
    array: createPrimitiveTypeChecker('array'),
    bigint: createPrimitiveTypeChecker('bigint'),
    bool: createPrimitiveTypeChecker('boolean'),
    func: createPrimitiveTypeChecker('function'),
    number: createPrimitiveTypeChecker('number'),
    object: createPrimitiveTypeChecker('object'),
    string: createPrimitiveTypeChecker('string'),
    symbol: createPrimitiveTypeChecker('symbol'),
    any: createAnyTypeChecker(),
    arrayOf: createArrayOfTypeChecker,
    element: createElementTypeChecker(),
    elementType: createElementTypeTypeChecker(),
    instanceOf: createInstanceTypeChecker,
    node: createNodeChecker(),
    objectOf: createObjectOfTypeChecker,
    oneOf: createEnumTypeChecker,
    oneOfType: createUnionTypeChecker,
    shape: createShapeTypeChecker,
    exact: createStrictShapeTypeChecker
  };
  /**
   * inlined Object.is polyfill to avoid requiring consumers ship their own
   * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
   */

  /*eslint-disable no-self-compare*/

  function is(x, y) {
    // SameValue algorithm
    if (x === y) {
      // Steps 1-5, 7-10
      // Steps 6.b-6.e: +0 != -0
      return x !== 0 || 1 / x === 1 / y;
    } else {
      // Step 6.a: NaN == NaN
      return x !== x && y !== y;
    }
  }
  /*eslint-enable no-self-compare*/

  /**
   * We use an Error-like object for backward compatibility as people may call
   * PropTypes directly and inspect their output. However, we don't use real
   * Errors anymore. We don't inspect their stack anyway, and creating them
   * is prohibitively expensive if they are created too often, such as what
   * happens in oneOfType() for any type before the one that matched.
   */


  function PropTypeError(message, data) {
    this.message = message;
    this.data = data && _typeof$1(data) === 'object' ? data : {};
    this.stack = '';
  } // Make `instanceof Error` still work for returned errors.


  PropTypeError.prototype = Error.prototype;

  function createChainableTypeChecker(validate) {
    {
      var manualPropTypeCallCache = {};
      var manualPropTypeWarningCount = 0;
    }

    function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {
      componentName = componentName || ANONYMOUS;
      propFullName = propFullName || propName;

      if (secret !== ReactPropTypesSecret_1) {
        if (throwOnDirectAccess) {
          // New behavior only for users of `prop-types` package
          var err = new Error('Calling PropTypes validators directly is not supported by the `prop-types` package. ' + 'Use `PropTypes.checkPropTypes()` to call them. ' + 'Read more at http://fb.me/use-check-prop-types');
          err.name = 'Invariant Violation';
          throw err;
        } else if (typeof console !== 'undefined') {
          // Old behavior for people using React.PropTypes
          var cacheKey = componentName + ':' + propName;

          if (!manualPropTypeCallCache[cacheKey] && // Avoid spamming the console because they are often not actionable except for lib authors
          manualPropTypeWarningCount < 3) {
            printWarning('You are manually calling a React.PropTypes validation ' + 'function for the `' + propFullName + '` prop on `' + componentName + '`. This is deprecated ' + 'and will throw in the standalone `prop-types` package. ' + 'You may be seeing this warning due to a third-party PropTypes ' + 'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.');
            manualPropTypeCallCache[cacheKey] = true;
            manualPropTypeWarningCount++;
          }
        }
      }

      if (props[propName] == null) {
        if (isRequired) {
          if (props[propName] === null) {
            return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));
          }

          return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));
        }

        return null;
      } else {
        return validate(props, propName, componentName, location, propFullName);
      }
    }

    var chainedCheckType = checkType.bind(null, false);
    chainedCheckType.isRequired = checkType.bind(null, true);
    return chainedCheckType;
  }

  function createPrimitiveTypeChecker(expectedType) {
    function validate(props, propName, componentName, location, propFullName, secret) {
      var propValue = props[propName];
      var propType = getPropType(propValue);

      if (propType !== expectedType) {
        // `propValue` being instance of, say, date/regexp, pass the 'object'
        // check, but we can offer a more precise error message here rather than
        // 'of type `object`'.
        var preciseType = getPreciseType(propValue);
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'), {
          expectedType: expectedType
        });
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function createAnyTypeChecker() {
    return createChainableTypeChecker(emptyFunctionThatReturnsNull);
  }

  function createArrayOfTypeChecker(typeChecker) {
    function validate(props, propName, componentName, location, propFullName) {
      if (typeof typeChecker !== 'function') {
        return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');
      }

      var propValue = props[propName];

      if (!Array.isArray(propValue)) {
        var propType = getPropType(propValue);
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));
      }

      for (var i = 0; i < propValue.length; i++) {
        var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret_1);

        if (error instanceof Error) {
          return error;
        }
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function createElementTypeChecker() {
    function validate(props, propName, componentName, location, propFullName) {
      var propValue = props[propName];

      if (!isValidElement(propValue)) {
        var propType = getPropType(propValue);
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function createElementTypeTypeChecker() {
    function validate(props, propName, componentName, location, propFullName) {
      var propValue = props[propName];

      if (!reactIs.isValidElementType(propValue)) {
        var propType = getPropType(propValue);
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement type.'));
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function createInstanceTypeChecker(expectedClass) {
    function validate(props, propName, componentName, location, propFullName) {
      if (!(props[propName] instanceof expectedClass)) {
        var expectedClassName = expectedClass.name || ANONYMOUS;
        var actualClassName = getClassName(props[propName]);
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function createEnumTypeChecker(expectedValues) {
    if (!Array.isArray(expectedValues)) {
      {
        if (arguments.length > 1) {
          printWarning('Invalid arguments supplied to oneOf, expected an array, got ' + arguments.length + ' arguments. ' + 'A common mistake is to write oneOf(x, y, z) instead of oneOf([x, y, z]).');
        } else {
          printWarning('Invalid argument supplied to oneOf, expected an array.');
        }
      }

      return emptyFunctionThatReturnsNull;
    }

    function validate(props, propName, componentName, location, propFullName) {
      var propValue = props[propName];

      for (var i = 0; i < expectedValues.length; i++) {
        if (is(propValue, expectedValues[i])) {
          return null;
        }
      }

      var valuesString = JSON.stringify(expectedValues, function replacer(key, value) {
        var type = getPreciseType(value);

        if (type === 'symbol') {
          return String(value);
        }

        return value;
      });
      return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + String(propValue) + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));
    }

    return createChainableTypeChecker(validate);
  }

  function createObjectOfTypeChecker(typeChecker) {
    function validate(props, propName, componentName, location, propFullName) {
      if (typeof typeChecker !== 'function') {
        return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');
      }

      var propValue = props[propName];
      var propType = getPropType(propValue);

      if (propType !== 'object') {
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));
      }

      for (var key in propValue) {
        if (has$1(propValue, key)) {
          var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);

          if (error instanceof Error) {
            return error;
          }
        }
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function createUnionTypeChecker(arrayOfTypeCheckers) {
    if (!Array.isArray(arrayOfTypeCheckers)) {
      printWarning('Invalid argument supplied to oneOfType, expected an instance of array.') ;
      return emptyFunctionThatReturnsNull;
    }

    for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
      var checker = arrayOfTypeCheckers[i];

      if (typeof checker !== 'function') {
        printWarning('Invalid argument supplied to oneOfType. Expected an array of check functions, but ' + 'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.');
        return emptyFunctionThatReturnsNull;
      }
    }

    function validate(props, propName, componentName, location, propFullName) {
      var expectedTypes = [];

      for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
        var checker = arrayOfTypeCheckers[i];
        var checkerResult = checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret_1);

        if (checkerResult == null) {
          return null;
        }

        if (checkerResult.data && has$1(checkerResult.data, 'expectedType')) {
          expectedTypes.push(checkerResult.data.expectedType);
        }
      }

      var expectedTypesMessage = expectedTypes.length > 0 ? ', expected one of type [' + expectedTypes.join(', ') + ']' : '';
      return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`' + expectedTypesMessage + '.'));
    }

    return createChainableTypeChecker(validate);
  }

  function createNodeChecker() {
    function validate(props, propName, componentName, location, propFullName) {
      if (!isNode(props[propName])) {
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function invalidValidatorError(componentName, location, propFullName, key, type) {
    return new PropTypeError((componentName || 'React class') + ': ' + location + ' type `' + propFullName + '.' + key + '` is invalid; ' + 'it must be a function, usually from the `prop-types` package, but received `' + type + '`.');
  }

  function createShapeTypeChecker(shapeTypes) {
    function validate(props, propName, componentName, location, propFullName) {
      var propValue = props[propName];
      var propType = getPropType(propValue);

      if (propType !== 'object') {
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
      }

      for (var key in shapeTypes) {
        var checker = shapeTypes[key];

        if (typeof checker !== 'function') {
          return invalidValidatorError(componentName, location, propFullName, key, getPreciseType(checker));
        }

        var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);

        if (error) {
          return error;
        }
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function createStrictShapeTypeChecker(shapeTypes) {
    function validate(props, propName, componentName, location, propFullName) {
      var propValue = props[propName];
      var propType = getPropType(propValue);

      if (propType !== 'object') {
        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
      } // We need to check all keys in case some are required but missing from props.


      var allKeys = objectAssign({}, props[propName], shapeTypes);

      for (var key in allKeys) {
        var checker = shapeTypes[key];

        if (has$1(shapeTypes, key) && typeof checker !== 'function') {
          return invalidValidatorError(componentName, location, propFullName, key, getPreciseType(checker));
        }

        if (!checker) {
          return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' + '\nBad object: ' + JSON.stringify(props[propName], null, '  ') + '\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, '  '));
        }

        var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);

        if (error) {
          return error;
        }
      }

      return null;
    }

    return createChainableTypeChecker(validate);
  }

  function isNode(propValue) {
    switch (_typeof$1(propValue)) {
      case 'number':
      case 'string':
      case 'undefined':
        return true;

      case 'boolean':
        return !propValue;

      case 'object':
        if (Array.isArray(propValue)) {
          return propValue.every(isNode);
        }

        if (propValue === null || isValidElement(propValue)) {
          return true;
        }

        var iteratorFn = getIteratorFn(propValue);

        if (iteratorFn) {
          var iterator = iteratorFn.call(propValue);
          var step;

          if (iteratorFn !== propValue.entries) {
            while (!(step = iterator.next()).done) {
              if (!isNode(step.value)) {
                return false;
              }
            }
          } else {
            // Iterator will provide entry [k,v] tuples rather than values.
            while (!(step = iterator.next()).done) {
              var entry = step.value;

              if (entry) {
                if (!isNode(entry[1])) {
                  return false;
                }
              }
            }
          }
        } else {
          return false;
        }

        return true;

      default:
        return false;
    }
  }

  function isSymbol(propType, propValue) {
    // Native Symbol.
    if (propType === 'symbol') {
      return true;
    } // falsy value can't be a Symbol


    if (!propValue) {
      return false;
    } // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'


    if (propValue['@@toStringTag'] === 'Symbol') {
      return true;
    } // Fallback for non-spec compliant Symbols which are polyfilled.


    if (typeof Symbol === 'function' && propValue instanceof Symbol) {
      return true;
    }

    return false;
  } // Equivalent of `typeof` but with special handling for array and regexp.


  function getPropType(propValue) {
    var propType = _typeof$1(propValue);

    if (Array.isArray(propValue)) {
      return 'array';
    }

    if (propValue instanceof RegExp) {
      // Old webkits (at least until Android 4.0) return 'function' rather than
      // 'object' for typeof a RegExp. We'll normalize this here so that /bla/
      // passes PropTypes.object.
      return 'object';
    }

    if (isSymbol(propType, propValue)) {
      return 'symbol';
    }

    return propType;
  } // This handles more types than `getPropType`. Only used for error messages.
  // See `createPrimitiveTypeChecker`.


  function getPreciseType(propValue) {
    if (typeof propValue === 'undefined' || propValue === null) {
      return '' + propValue;
    }

    var propType = getPropType(propValue);

    if (propType === 'object') {
      if (propValue instanceof Date) {
        return 'date';
      } else if (propValue instanceof RegExp) {
        return 'regexp';
      }
    }

    return propType;
  } // Returns a string that is postfixed to a warning about an invalid type.
  // For example, "undefined" or "of type array"


  function getPostfixForTypeWarning(value) {
    var type = getPreciseType(value);

    switch (type) {
      case 'array':
      case 'object':
        return 'an ' + type;

      case 'boolean':
      case 'date':
      case 'regexp':
        return 'a ' + type;

      default:
        return type;
    }
  } // Returns class name of the object, if any.


  function getClassName(propValue) {
    if (!propValue.constructor || !propValue.constructor.name) {
      return ANONYMOUS;
    }

    return propValue.constructor.name;
  }

  ReactPropTypes.checkPropTypes = checkPropTypes_1;
  ReactPropTypes.resetWarningCache = checkPropTypes_1.resetWarningCache;
  ReactPropTypes.PropTypes = ReactPropTypes;
  return ReactPropTypes;
};

var propTypes = createCommonjsModule(function (module) {
  /**
   * Copyright (c) 2013-present, Facebook, Inc.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   */
  {
    var ReactIs = reactIs; // By explicitly using `prop-types` you are opting into new development behavior.
    // http://fb.me/prop-types-in-prod

    var throwOnDirectAccess = true;
    module.exports = factoryWithTypeCheckers(ReactIs.isElement, throwOnDirectAccess);
  }
});

var FORWARD_REF_STATICS = {
  '$$typeof': true,
  render: true,
  defaultProps: true,
  displayName: true,
  propTypes: true
};
var MEMO_STATICS = {
  '$$typeof': true,
  compare: true,
  defaultProps: true,
  displayName: true,
  propTypes: true,
  type: true
};
var TYPE_STATICS = {};
TYPE_STATICS[reactIs.ForwardRef] = FORWARD_REF_STATICS;
TYPE_STATICS[reactIs.Memo] = MEMO_STATICS;

/**
 * Use invariant() to assert state which your program assumes to be true.
 *
 * Provide sprintf-style format (only %s is supported) and arguments
 * to provide information about what broke and what you were
 * expecting.
 *
 * The invariant message will be stripped in production, but the invariant
 * will remain to ensure logic does not differ in production.
 */


var invariant = function invariant(condition, format, a, b, c, d, e, f) {
  {
    if (format === undefined) {
      throw new Error('invariant requires an error message argument');
    }
  }

  if (!condition) {
    var error;

    if (format === undefined) {
      error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
    } else {
      var args = [a, b, c, d, e, f];
      var argIndex = 0;
      error = new Error(format.replace(/%s/g, function () {
        return args[argIndex++];
      }));
      error.name = 'Invariant Violation';
    }

    error.framesToPop = 1; // we don't care about invariant's own frame

    throw error;
  }
};

var browser = invariant;

function getCacheId(inputs) {
  return JSON.stringify(inputs.map(function (input) {
    return input && _typeof$1(input) === 'object' ? orderedProps(input) : input;
  }));
}

function orderedProps(obj) {
  return Object.keys(obj).sort().map(function (k) {
    var _a;

    return _a = {}, _a[k] = obj[k], _a;
  });
}

var memoizeFormatConstructor = function memoizeFormatConstructor(FormatConstructor, cache) {
  if (cache === void 0) {
    cache = {};
  }

  return function () {
    var _a;

    var args = [];

    for (var _i = 0; _i < arguments.length; _i++) {
      args[_i] = arguments[_i];
    }

    var cacheId = getCacheId(args);
    var format = cacheId && cache[cacheId];

    if (!format) {
      format = new ((_a = FormatConstructor).bind.apply(_a, [void 0].concat(args)))();

      if (cacheId) {
        cache[cacheId] = format;
      }
    }

    return format;
  };
};

var defaultLocaleData = {
  "locale": "en",
  "pluralRuleFunction": function pluralRuleFunction(n, ord) {
    var s = String(n).split("."),
        v0 = !s[1],
        t0 = Number(s[0]) == n,
        n10 = t0 && s[0].slice(-1),
        n100 = t0 && s[0].slice(-2);
    if (ord) return n10 == 1 && n100 != 11 ? "one" : n10 == 2 && n100 != 12 ? "two" : n10 == 3 && n100 != 13 ? "few" : "other";
    return n == 1 && v0 ? "one" : "other";
  },
  "fields": {
    "year": {
      "displayName": "year",
      "relative": {
        "0": "this year",
        "1": "next year",
        "-1": "last year"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} year",
          "other": "in {0} years"
        },
        "past": {
          "one": "{0} year ago",
          "other": "{0} years ago"
        }
      }
    },
    "year-short": {
      "displayName": "yr.",
      "relative": {
        "0": "this yr.",
        "1": "next yr.",
        "-1": "last yr."
      },
      "relativeTime": {
        "future": {
          "one": "in {0} yr.",
          "other": "in {0} yr."
        },
        "past": {
          "one": "{0} yr. ago",
          "other": "{0} yr. ago"
        }
      }
    },
    "month": {
      "displayName": "month",
      "relative": {
        "0": "this month",
        "1": "next month",
        "-1": "last month"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} month",
          "other": "in {0} months"
        },
        "past": {
          "one": "{0} month ago",
          "other": "{0} months ago"
        }
      }
    },
    "month-short": {
      "displayName": "mo.",
      "relative": {
        "0": "this mo.",
        "1": "next mo.",
        "-1": "last mo."
      },
      "relativeTime": {
        "future": {
          "one": "in {0} mo.",
          "other": "in {0} mo."
        },
        "past": {
          "one": "{0} mo. ago",
          "other": "{0} mo. ago"
        }
      }
    },
    "day": {
      "displayName": "day",
      "relative": {
        "0": "today",
        "1": "tomorrow",
        "-1": "yesterday"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} day",
          "other": "in {0} days"
        },
        "past": {
          "one": "{0} day ago",
          "other": "{0} days ago"
        }
      }
    },
    "day-short": {
      "displayName": "day",
      "relative": {
        "0": "today",
        "1": "tomorrow",
        "-1": "yesterday"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} day",
          "other": "in {0} days"
        },
        "past": {
          "one": "{0} day ago",
          "other": "{0} days ago"
        }
      }
    },
    "hour": {
      "displayName": "hour",
      "relative": {
        "0": "this hour"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} hour",
          "other": "in {0} hours"
        },
        "past": {
          "one": "{0} hour ago",
          "other": "{0} hours ago"
        }
      }
    },
    "hour-short": {
      "displayName": "hr.",
      "relative": {
        "0": "this hour"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} hr.",
          "other": "in {0} hr."
        },
        "past": {
          "one": "{0} hr. ago",
          "other": "{0} hr. ago"
        }
      }
    },
    "minute": {
      "displayName": "minute",
      "relative": {
        "0": "this minute"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} minute",
          "other": "in {0} minutes"
        },
        "past": {
          "one": "{0} minute ago",
          "other": "{0} minutes ago"
        }
      }
    },
    "minute-short": {
      "displayName": "min.",
      "relative": {
        "0": "this minute"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} min.",
          "other": "in {0} min."
        },
        "past": {
          "one": "{0} min. ago",
          "other": "{0} min. ago"
        }
      }
    },
    "second": {
      "displayName": "second",
      "relative": {
        "0": "now"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} second",
          "other": "in {0} seconds"
        },
        "past": {
          "one": "{0} second ago",
          "other": "{0} seconds ago"
        }
      }
    },
    "second-short": {
      "displayName": "sec.",
      "relative": {
        "0": "now"
      },
      "relativeTime": {
        "future": {
          "one": "in {0} sec.",
          "other": "in {0} sec."
        },
        "past": {
          "one": "{0} sec. ago",
          "other": "{0} sec. ago"
        }
      }
    }
  }
};
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

function addLocaleData() {
  var data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var locales = Array.isArray(data) ? data : [data];
  locales.forEach(function (localeData) {
    if (localeData && localeData.locale) {
      intlMessageformat.__addLocaleData(localeData);

      intlRelativeformat.__addLocaleData(localeData);
    }
  });
}

function hasLocaleData(locale) {
  var localeParts = (locale || '').split('-');

  while (localeParts.length > 0) {
    if (hasIMFAndIRFLocaleData(localeParts.join('-'))) {
      return true;
    }

    localeParts.pop();
  }

  return false;
}

function hasIMFAndIRFLocaleData(locale) {
  var normalizedLocale = locale && locale.toLowerCase();
  return !!(intlMessageformat.__localeData__[normalizedLocale] && intlRelativeformat.__localeData__[normalizedLocale]);
}

var _typeof = typeof Symbol === "function" && _typeof$1(Symbol.iterator) === "symbol" ? function (obj) {
  return _typeof$1(obj);
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof$1(obj);
};

var classCallCheck = function classCallCheck(instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
};

var createClass = function () {
  function defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  return function (Constructor, protoProps, staticProps) {
    if (protoProps) defineProperties(Constructor.prototype, protoProps);
    if (staticProps) defineProperties(Constructor, staticProps);
    return Constructor;
  };
}();

var _extends = Object.assign || function (target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i];

    for (var key in source) {
      if (Object.prototype.hasOwnProperty.call(source, key)) {
        target[key] = source[key];
      }
    }
  }

  return target;
};

var inherits = function inherits(subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function, not " + _typeof$1(superClass));
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      enumerable: false,
      writable: true,
      configurable: true
    }
  });
  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};

var objectWithoutProperties = function objectWithoutProperties(obj, keys) {
  var target = {};

  for (var i in obj) {
    if (keys.indexOf(i) >= 0) continue;
    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
    target[i] = obj[i];
  }

  return target;
};

var possibleConstructorReturn = function possibleConstructorReturn(self, call) {
  if (!self) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return call && (_typeof$1(call) === "object" || typeof call === "function") ? call : self;
};

var toConsumableArray = function toConsumableArray(arr) {
  if (Array.isArray(arr)) {
    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
      arr2[i] = arr[i];
    }

    return arr2;
  } else {
    return Array.from(arr);
  }
};
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */


var bool = propTypes.bool;
var number = propTypes.number;
var string = propTypes.string;
var func = propTypes.func;
var object = propTypes.object;
var oneOf = propTypes.oneOf;
var shape = propTypes.shape;
var any = propTypes.any;
var oneOfType = propTypes.oneOfType;
var localeMatcher = oneOf(['best fit', 'lookup']);
var narrowShortLong = oneOf(['narrow', 'short', 'long']);
var numeric2digit = oneOf(['numeric', '2-digit']);
var funcReq = func.isRequired;
var intlConfigPropTypes = {
  locale: string,
  timeZone: string,
  formats: object,
  messages: object,
  textComponent: any,
  defaultLocale: string,
  defaultFormats: object,
  onError: func
};
var intlFormatPropTypes = {
  formatDate: funcReq,
  formatTime: funcReq,
  formatRelative: funcReq,
  formatNumber: funcReq,
  formatPlural: funcReq,
  formatMessage: funcReq,
  formatHTMLMessage: funcReq
};
var intlShape = shape(_extends({}, intlConfigPropTypes, intlFormatPropTypes, {
  formatters: object,
  now: funcReq
}));
var messageDescriptorPropTypes = {
  id: string.isRequired,
  description: oneOfType([string, object]),
  defaultMessage: string
};
var dateTimeFormatPropTypes = {
  localeMatcher: localeMatcher,
  formatMatcher: oneOf(['basic', 'best fit']),
  timeZone: string,
  hour12: bool,
  weekday: narrowShortLong,
  era: narrowShortLong,
  year: numeric2digit,
  month: oneOf(['numeric', '2-digit', 'narrow', 'short', 'long']),
  day: numeric2digit,
  hour: numeric2digit,
  minute: numeric2digit,
  second: numeric2digit,
  timeZoneName: oneOf(['short', 'long'])
};
var numberFormatPropTypes = {
  localeMatcher: localeMatcher,
  style: oneOf(['decimal', 'currency', 'percent']),
  currency: string,
  currencyDisplay: oneOf(['symbol', 'code', 'name']),
  useGrouping: bool,
  minimumIntegerDigits: number,
  minimumFractionDigits: number,
  maximumFractionDigits: number,
  minimumSignificantDigits: number,
  maximumSignificantDigits: number
};
var relativeFormatPropTypes = {
  style: oneOf(['best fit', 'numeric']),
  units: oneOf(['second', 'minute', 'hour', 'day', 'month', 'year', 'second-short', 'minute-short', 'hour-short', 'day-short', 'month-short', 'year-short'])
};
var pluralFormatPropTypes = {
  style: oneOf(['cardinal', 'ordinal'])
};
/*
HTML escaping and shallow-equals implementations are the same as React's
(on purpose.) Therefore, it has the following Copyright and Licensing:

Copyright 2013-2014, Facebook, Inc.
All rights reserved.

This source code is licensed under the BSD-style license found in the LICENSE
file in the root directory of React's source tree.
*/

var intlConfigPropNames = Object.keys(intlConfigPropTypes);
var ESCAPED_CHARS = {
  '&': '&amp;',
  '>': '&gt;',
  '<': '&lt;',
  '"': '&quot;',
  "'": '&#x27;'
};
var UNSAFE_CHARS_REGEX = /[&><"']/g;

function escape$1(str) {
  return ('' + str).replace(UNSAFE_CHARS_REGEX, function (match) {
    return ESCAPED_CHARS[match];
  });
}

function filterProps(props, whitelist) {
  var defaults$$1 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  return whitelist.reduce(function (filtered, name) {
    if (props.hasOwnProperty(name)) {
      filtered[name] = props[name];
    } else if (defaults$$1.hasOwnProperty(name)) {
      filtered[name] = defaults$$1[name];
    }

    return filtered;
  }, {});
}

function invariantIntlContext() {
  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
      intl = _ref.intl;

  browser(intl, '[React Intl] Could not find required `intl` object. ' + '<IntlProvider> needs to exist in the component ancestry.');
}

function shallowEquals(objA, objB) {
  if (objA === objB) {
    return true;
  }

  if ((typeof objA === 'undefined' ? 'undefined' : _typeof(objA)) !== 'object' || objA === null || (typeof objB === 'undefined' ? 'undefined' : _typeof(objB)) !== 'object' || objB === null) {
    return false;
  }

  var keysA = Object.keys(objA);
  var keysB = Object.keys(objB);

  if (keysA.length !== keysB.length) {
    return false;
  } // Test for A's keys different from B.


  var bHasOwnProperty = Object.prototype.hasOwnProperty.bind(objB);

  for (var i = 0; i < keysA.length; i++) {
    if (!bHasOwnProperty(keysA[i]) || objA[keysA[i]] !== objB[keysA[i]]) {
      return false;
    }
  }

  return true;
}

function shouldIntlComponentUpdate(_ref2, nextProps, nextState) {
  var props = _ref2.props,
      state = _ref2.state,
      _ref2$context = _ref2.context,
      context = _ref2$context === undefined ? {} : _ref2$context;
  var nextContext = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  var _context$intl = context.intl,
      intl = _context$intl === undefined ? {} : _context$intl;
  var _nextContext$intl = nextContext.intl,
      nextIntl = _nextContext$intl === undefined ? {} : _nextContext$intl;
  return !shallowEquals(nextProps, props) || !shallowEquals(nextState, state) || !(nextIntl === intl || shallowEquals(filterProps(nextIntl, intlConfigPropNames), filterProps(intl, intlConfigPropNames)));
}

function createError(message, exception) {
  var eMsg = exception ? '\n' + exception : '';
  return '[React Intl] ' + message + eMsg;
}

function defaultErrorHandler(error) {
  {
    console.error(error);
  }
}
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */
// This is a "hack" until a proper `intl-pluralformat` package is created.


function resolveLocale(locales) {
  // IntlMessageFormat#_resolveLocale() does not depend on `this`.
  return intlMessageformat.prototype._resolveLocale(locales);
}

function findPluralFunction(locale) {
  // IntlMessageFormat#_findPluralFunction() does not depend on `this`.
  return intlMessageformat.prototype._findPluralRuleFunction(locale);
}

var IntlPluralFormat = function IntlPluralFormat(locales) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  classCallCheck(this, IntlPluralFormat);
  var useOrdinal = options.style === 'ordinal';
  var pluralFn = findPluralFunction(resolveLocale(locales));

  this.format = function (value) {
    return pluralFn(value, useOrdinal);
  };
};
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */


var DATE_TIME_FORMAT_OPTIONS = Object.keys(dateTimeFormatPropTypes);
var NUMBER_FORMAT_OPTIONS = Object.keys(numberFormatPropTypes);
var RELATIVE_FORMAT_OPTIONS = Object.keys(relativeFormatPropTypes);
var PLURAL_FORMAT_OPTIONS = Object.keys(pluralFormatPropTypes);
var RELATIVE_FORMAT_THRESHOLDS = {
  second: 60,
  // seconds to minute
  minute: 60,
  // minutes to hour
  hour: 24,
  // hours to day
  day: 30,
  // days to month
  month: 12
};

function updateRelativeFormatThresholds(newThresholds) {
  var thresholds = intlRelativeformat.thresholds;
  thresholds.second = newThresholds.second;
  thresholds.minute = newThresholds.minute;
  thresholds.hour = newThresholds.hour;
  thresholds.day = newThresholds.day;
  thresholds.month = newThresholds.month;
  thresholds['second-short'] = newThresholds['second-short'];
  thresholds['minute-short'] = newThresholds['minute-short'];
  thresholds['hour-short'] = newThresholds['hour-short'];
  thresholds['day-short'] = newThresholds['day-short'];
  thresholds['month-short'] = newThresholds['month-short'];
}

function getNamedFormat(formats, type, name, onError) {
  var format = formats && formats[type] && formats[type][name];

  if (format) {
    return format;
  }

  onError(createError('No ' + type + ' format named: ' + name));
}

function formatDate(config, state, value) {
  var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  var locale = config.locale,
      formats = config.formats,
      timeZone = config.timeZone;
  var format = options.format;
  var onError = config.onError || defaultErrorHandler;
  var date = new Date(value);

  var defaults$$1 = _extends({}, timeZone && {
    timeZone: timeZone
  }, format && getNamedFormat(formats, 'date', format, onError));

  var filteredOptions = filterProps(options, DATE_TIME_FORMAT_OPTIONS, defaults$$1);

  try {
    return state.getDateTimeFormat(locale, filteredOptions).format(date);
  } catch (e) {
    onError(createError('Error formatting date.', e));
  }

  return String(date);
}

function formatTime(config, state, value) {
  var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  var locale = config.locale,
      formats = config.formats,
      timeZone = config.timeZone;
  var format = options.format;
  var onError = config.onError || defaultErrorHandler;
  var date = new Date(value);

  var defaults$$1 = _extends({}, timeZone && {
    timeZone: timeZone
  }, format && getNamedFormat(formats, 'time', format, onError));

  var filteredOptions = filterProps(options, DATE_TIME_FORMAT_OPTIONS, defaults$$1);

  if (!filteredOptions.hour && !filteredOptions.minute && !filteredOptions.second) {
    // Add default formatting options if hour, minute, or second isn't defined.
    filteredOptions = _extends({}, filteredOptions, {
      hour: 'numeric',
      minute: 'numeric'
    });
  }

  try {
    return state.getDateTimeFormat(locale, filteredOptions).format(date);
  } catch (e) {
    onError(createError('Error formatting time.', e));
  }

  return String(date);
}

function formatRelative(config, state, value) {
  var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  var locale = config.locale,
      formats = config.formats;
  var format = options.format;
  var onError = config.onError || defaultErrorHandler;
  var date = new Date(value);
  var now = new Date(options.now);
  var defaults$$1 = format && getNamedFormat(formats, 'relative', format, onError);
  var filteredOptions = filterProps(options, RELATIVE_FORMAT_OPTIONS, defaults$$1); // Capture the current threshold values, then temporarily override them with
  // specific values just for this render.

  var oldThresholds = _extends({}, intlRelativeformat.thresholds);

  updateRelativeFormatThresholds(RELATIVE_FORMAT_THRESHOLDS);

  try {
    return state.getRelativeFormat(locale, filteredOptions).format(date, {
      now: isFinite(now) ? now : state.now()
    });
  } catch (e) {
    onError(createError('Error formatting relative time.', e));
  } finally {
    updateRelativeFormatThresholds(oldThresholds);
  }

  return String(date);
}

function formatNumber(config, state, value) {
  var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  var locale = config.locale,
      formats = config.formats;
  var format = options.format;
  var onError = config.onError || defaultErrorHandler;
  var defaults$$1 = format && getNamedFormat(formats, 'number', format, onError);
  var filteredOptions = filterProps(options, NUMBER_FORMAT_OPTIONS, defaults$$1);

  try {
    return state.getNumberFormat(locale, filteredOptions).format(value);
  } catch (e) {
    onError(createError('Error formatting number.', e));
  }

  return String(value);
}

function formatPlural(config, state, value) {
  var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  var locale = config.locale;
  var filteredOptions = filterProps(options, PLURAL_FORMAT_OPTIONS);
  var onError = config.onError || defaultErrorHandler;

  try {
    return state.getPluralFormat(locale, filteredOptions).format(value);
  } catch (e) {
    onError(createError('Error formatting plural.', e));
  }

  return 'other';
}

function formatMessage$2(config, state) {
  var messageDescriptor = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  var values = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  var locale = config.locale,
      formats = config.formats,
      messages = config.messages,
      defaultLocale = config.defaultLocale,
      defaultFormats = config.defaultFormats;
  var id = messageDescriptor.id,
      defaultMessage = messageDescriptor.defaultMessage; // Produce a better error if the user calls `intl.formatMessage(element)`

  {
    browser(! /*#__PURE__*/react.isValidElement(config), '[React Intl] Don\'t pass React elements to ' + 'formatMessage(), pass `.props`.');
  } // `id` is a required field of a Message Descriptor.


  browser(id, '[React Intl] An `id` must be provided to format a message.');
  var message = messages && messages[id];
  var hasValues = Object.keys(values).length > 0; // Avoid expensive message formatting for simple messages without values. In
  // development messages will always be formatted in case of missing values.

  if (!hasValues && process.env.NODE_ENV === 'production') {
    return message || defaultMessage || id;
  }

  var formattedMessage = void 0;
  var onError = config.onError || defaultErrorHandler;

  if (message) {
    try {
      var formatter = state.getMessageFormat(message, locale, formats);
      formattedMessage = formatter.format(values);
    } catch (e) {
      onError(createError('Error formatting message: "' + id + '" for locale: "' + locale + '"' + (defaultMessage ? ', using default message as fallback.' : ''), e));
    }
  } else {
    // This prevents warnings from littering the console in development
    // when no `messages` are passed into the <IntlProvider> for the
    // default locale, and a default message is in the source.
    if (!defaultMessage || locale && locale.toLowerCase() !== defaultLocale.toLowerCase()) {
      onError(createError('Missing message: "' + id + '" for locale: "' + locale + '"' + (defaultMessage ? ', using default message as fallback.' : '')));
    }
  }

  if (!formattedMessage && defaultMessage) {
    try {
      var _formatter = state.getMessageFormat(defaultMessage, defaultLocale, defaultFormats);

      formattedMessage = _formatter.format(values);
    } catch (e) {
      onError(createError('Error formatting the default message for: "' + id + '"', e));
    }
  }

  if (!formattedMessage) {
    onError(createError('Cannot format message: "' + id + '", ' + ('using message ' + (message || defaultMessage ? 'source' : 'id') + ' as fallback.')));
  }

  return formattedMessage || message || defaultMessage || id;
}

function formatHTMLMessage(config, state, messageDescriptor) {
  var rawValues = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; // Process all the values before they are used when formatting the ICU
  // Message string. Since the formatted message might be injected via
  // `innerHTML`, all String-based values need to be HTML-escaped.

  var escapedValues = Object.keys(rawValues).reduce(function (escaped, name) {
    var value = rawValues[name];
    escaped[name] = typeof value === 'string' ? escape$1(value) : value;
    return escaped;
  }, {});
  return formatMessage$2(config, state, messageDescriptor, escapedValues);
}

var format = Object.freeze({
  formatDate: formatDate,
  formatTime: formatTime,
  formatRelative: formatRelative,
  formatNumber: formatNumber,
  formatPlural: formatPlural,
  formatMessage: formatMessage$2,
  formatHTMLMessage: formatHTMLMessage
});
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

var intlConfigPropNames$1 = Object.keys(intlConfigPropTypes);
var intlFormatPropNames = Object.keys(intlFormatPropTypes); // These are not a static property on the `IntlProvider` class so the intl
// config values can be inherited from an <IntlProvider> ancestor.

var defaultProps = {
  formats: {},
  messages: {},
  timeZone: null,
  textComponent: 'span',
  defaultLocale: 'en',
  defaultFormats: {},
  onError: defaultErrorHandler
};

var IntlProvider = function (_Component) {
  inherits(IntlProvider, _Component);

  function IntlProvider(props) {
    var context = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    classCallCheck(this, IntlProvider);

    var _this = possibleConstructorReturn(this, (IntlProvider.__proto__ || Object.getPrototypeOf(IntlProvider)).call(this, props, context));

    browser(typeof Intl !== 'undefined', '[React Intl] The `Intl` APIs must be available in the runtime, ' + 'and do not appear to be built-in. An `Intl` polyfill should be loaded.\n' + 'See: http://formatjs.io/guides/runtime-environments/');
    var intlContext = context.intl; // Used to stabilize time when performing an initial rendering so that
    // all relative times use the same reference "now" time.

    var initialNow = void 0;

    if (isFinite(props.initialNow)) {
      initialNow = Number(props.initialNow);
    } else {
      // When an `initialNow` isn't provided via `props`, look to see an
      // <IntlProvider> exists in the ancestry and call its `now()`
      // function to propagate its value for "now".
      initialNow = intlContext ? intlContext.now() : Date.now();
    } // Creating `Intl*` formatters is expensive. If there's a parent
    // `<IntlProvider>`, then its formatters will be used. Otherwise, this
    // memoize the `Intl*` constructors and cache them for the lifecycle of
    // this IntlProvider instance.


    var _ref = intlContext || {},
        _ref$formatters = _ref.formatters,
        formatters = _ref$formatters === undefined ? {
      getDateTimeFormat: memoizeFormatConstructor(Intl.DateTimeFormat),
      getNumberFormat: memoizeFormatConstructor(Intl.NumberFormat),
      getMessageFormat: memoizeFormatConstructor(intlMessageformat),
      getRelativeFormat: memoizeFormatConstructor(intlRelativeformat),
      getPluralFormat: memoizeFormatConstructor(IntlPluralFormat)
    } : _ref$formatters;

    _this.state = _extends({}, formatters, {
      // Wrapper to provide stable "now" time for initial render.
      now: function now() {
        return _this._didDisplay ? Date.now() : initialNow;
      }
    });
    return _this;
  }

  createClass(IntlProvider, [{
    key: 'getConfig',
    value: function getConfig() {
      var intlContext = this.context.intl; // Build a whitelisted config object from `props`, defaults, and
      // `context.intl`, if an <IntlProvider> exists in the ancestry.

      var config = filterProps(this.props, intlConfigPropNames$1, intlContext); // Apply default props. This must be applied last after the props have
      // been resolved and inherited from any <IntlProvider> in the ancestry.
      // This matches how React resolves `defaultProps`.

      for (var propName in defaultProps) {
        if (config[propName] === undefined) {
          config[propName] = defaultProps[propName];
        }
      }

      if (!hasLocaleData(config.locale)) {
        var _config = config,
            locale = _config.locale,
            defaultLocale = _config.defaultLocale,
            defaultFormats = _config.defaultFormats,
            onError = _config.onError;
        onError(createError('Missing locale data for locale: "' + locale + '". ' + ('Using default locale: "' + defaultLocale + '" as fallback.'))); // Since there's no registered locale data for `locale`, this will
        // fallback to the `defaultLocale` to make sure things can render.
        // The `messages` are overridden to the `defaultProps` empty object
        // to maintain referential equality across re-renders. It's assumed
        // each <FormattedMessage> contains a `defaultMessage` prop.

        config = _extends({}, config, {
          locale: defaultLocale,
          formats: defaultFormats,
          messages: defaultProps.messages
        });
      }

      return config;
    }
  }, {
    key: 'getBoundFormatFns',
    value: function getBoundFormatFns(config, state) {
      return intlFormatPropNames.reduce(function (boundFormatFns, name) {
        boundFormatFns[name] = format[name].bind(null, config, state);
        return boundFormatFns;
      }, {});
    }
  }, {
    key: 'getChildContext',
    value: function getChildContext() {
      var config = this.getConfig(); // Bind intl factories and current config to the format functions.

      var boundFormatFns = this.getBoundFormatFns(config, this.state);
      var _state = this.state,
          now = _state.now,
          formatters = objectWithoutProperties(_state, ['now']);
      return {
        intl: _extends({}, config, boundFormatFns, {
          formatters: formatters,
          now: now
        })
      };
    }
  }, {
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate() {
      for (var _len = arguments.length, next = Array(_len), _key = 0; _key < _len; _key++) {
        next[_key] = arguments[_key];
      }

      return shouldIntlComponentUpdate.apply(undefined, [this].concat(next));
    }
  }, {
    key: 'componentDidMount',
    value: function componentDidMount() {
      this._didDisplay = true;
    }
  }, {
    key: 'render',
    value: function render() {
      return react.Children.only(this.props.children);
    }
  }]);
  return IntlProvider;
}(react.Component);

IntlProvider.displayName = 'IntlProvider';
IntlProvider.contextTypes = {
  intl: intlShape
};
IntlProvider.childContextTypes = {
  intl: intlShape.isRequired
};
IntlProvider.propTypes = _extends({}, intlConfigPropTypes, {
  children: propTypes.element.isRequired,
  initialNow: propTypes.any
}) ;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

var FormattedDate = function (_Component) {
  inherits(FormattedDate, _Component);

  function FormattedDate(props, context) {
    classCallCheck(this, FormattedDate);

    var _this = possibleConstructorReturn(this, (FormattedDate.__proto__ || Object.getPrototypeOf(FormattedDate)).call(this, props, context));

    invariantIntlContext(context);
    return _this;
  }

  createClass(FormattedDate, [{
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate() {
      for (var _len = arguments.length, next = Array(_len), _key = 0; _key < _len; _key++) {
        next[_key] = arguments[_key];
      }

      return shouldIntlComponentUpdate.apply(undefined, [this].concat(next));
    }
  }, {
    key: 'render',
    value: function render() {
      var _context$intl = this.context.intl,
          formatDate = _context$intl.formatDate,
          Text = _context$intl.textComponent;
      var _props = this.props,
          value = _props.value,
          children = _props.children;
      var formattedDate = formatDate(value, this.props);

      if (typeof children === 'function') {
        return children(formattedDate);
      }

      return /*#__PURE__*/react.createElement(Text, null, formattedDate);
    }
  }]);
  return FormattedDate;
}(react.Component);

FormattedDate.displayName = 'FormattedDate';
FormattedDate.contextTypes = {
  intl: intlShape
};
FormattedDate.propTypes = _extends({}, dateTimeFormatPropTypes, {
  value: propTypes.any.isRequired,
  format: propTypes.string,
  children: propTypes.func
}) ;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

var FormattedTime = function (_Component) {
  inherits(FormattedTime, _Component);

  function FormattedTime(props, context) {
    classCallCheck(this, FormattedTime);

    var _this = possibleConstructorReturn(this, (FormattedTime.__proto__ || Object.getPrototypeOf(FormattedTime)).call(this, props, context));

    invariantIntlContext(context);
    return _this;
  }

  createClass(FormattedTime, [{
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate() {
      for (var _len = arguments.length, next = Array(_len), _key = 0; _key < _len; _key++) {
        next[_key] = arguments[_key];
      }

      return shouldIntlComponentUpdate.apply(undefined, [this].concat(next));
    }
  }, {
    key: 'render',
    value: function render() {
      var _context$intl = this.context.intl,
          formatTime = _context$intl.formatTime,
          Text = _context$intl.textComponent;
      var _props = this.props,
          value = _props.value,
          children = _props.children;
      var formattedTime = formatTime(value, this.props);

      if (typeof children === 'function') {
        return children(formattedTime);
      }

      return /*#__PURE__*/react.createElement(Text, null, formattedTime);
    }
  }]);
  return FormattedTime;
}(react.Component);

FormattedTime.displayName = 'FormattedTime';
FormattedTime.contextTypes = {
  intl: intlShape
};
FormattedTime.propTypes = _extends({}, dateTimeFormatPropTypes, {
  value: propTypes.any.isRequired,
  format: propTypes.string,
  children: propTypes.func
}) ;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

var SECOND = 1000;
var MINUTE = 1000 * 60;
var HOUR = 1000 * 60 * 60;
var DAY = 1000 * 60 * 60 * 24; // The maximum timer delay value is a 32-bit signed integer.
// See: https://mdn.io/setTimeout

var MAX_TIMER_DELAY = 2147483647;

function selectUnits(delta) {
  var absDelta = Math.abs(delta);

  if (absDelta < MINUTE) {
    return 'second';
  }

  if (absDelta < HOUR) {
    return 'minute';
  }

  if (absDelta < DAY) {
    return 'hour';
  } // The maximum scheduled delay will be measured in days since the maximum
  // timer delay is less than the number of milliseconds in 25 days.


  return 'day';
}

function getUnitDelay(units) {
  switch (units) {
    case 'second':
      return SECOND;

    case 'minute':
      return MINUTE;

    case 'hour':
      return HOUR;

    case 'day':
      return DAY;

    default:
      return MAX_TIMER_DELAY;
  }
}

function isSameDate(a, b) {
  if (a === b) {
    return true;
  }

  var aTime = new Date(a).getTime();
  var bTime = new Date(b).getTime();
  return isFinite(aTime) && isFinite(bTime) && aTime === bTime;
}

var FormattedRelative = function (_Component) {
  inherits(FormattedRelative, _Component);

  function FormattedRelative(props, context) {
    classCallCheck(this, FormattedRelative);

    var _this = possibleConstructorReturn(this, (FormattedRelative.__proto__ || Object.getPrototypeOf(FormattedRelative)).call(this, props, context));

    invariantIntlContext(context);
    var now = isFinite(props.initialNow) ? Number(props.initialNow) : context.intl.now(); // `now` is stored as state so that `render()` remains a function of
    // props + state, instead of accessing `Date.now()` inside `render()`.

    _this.state = {
      now: now
    };
    return _this;
  }

  createClass(FormattedRelative, [{
    key: 'scheduleNextUpdate',
    value: function scheduleNextUpdate(props, state) {
      var _this2 = this; // Cancel and pending update because we're scheduling a new update.


      clearTimeout(this._timer);
      var value = props.value,
          units = props.units,
          updateInterval = props.updateInterval;
      var time = new Date(value).getTime(); // If the `updateInterval` is falsy, including `0` or we don't have a
      // valid date, then auto updates have been turned off, so we bail and
      // skip scheduling an update.

      if (!updateInterval || !isFinite(time)) {
        return;
      }

      var delta = time - state.now;
      var unitDelay = getUnitDelay(units || selectUnits(delta));
      var unitRemainder = Math.abs(delta % unitDelay); // We want the largest possible timer delay which will still display
      // accurate information while reducing unnecessary re-renders. The delay
      // should be until the next "interesting" moment, like a tick from
      // "1 minute ago" to "2 minutes ago" when the delta is 120,000ms.

      var delay = delta < 0 ? Math.max(updateInterval, unitDelay - unitRemainder) : Math.max(updateInterval, unitRemainder);
      this._timer = setTimeout(function () {
        _this2.setState({
          now: _this2.context.intl.now()
        });
      }, delay);
    }
  }, {
    key: 'componentDidMount',
    value: function componentDidMount() {
      this.scheduleNextUpdate(this.props, this.state);
    }
  }, {
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(_ref) {
      var nextValue = _ref.value; // When the `props.value` date changes, `state.now` needs to be updated,
      // and the next update can be rescheduled.

      if (!isSameDate(nextValue, this.props.value)) {
        this.setState({
          now: this.context.intl.now()
        });
      }
    }
  }, {
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate() {
      for (var _len = arguments.length, next = Array(_len), _key = 0; _key < _len; _key++) {
        next[_key] = arguments[_key];
      }

      return shouldIntlComponentUpdate.apply(undefined, [this].concat(next));
    }
  }, {
    key: 'componentWillUpdate',
    value: function componentWillUpdate(nextProps, nextState) {
      this.scheduleNextUpdate(nextProps, nextState);
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      clearTimeout(this._timer);
    }
  }, {
    key: 'render',
    value: function render() {
      var _context$intl = this.context.intl,
          formatRelative = _context$intl.formatRelative,
          Text = _context$intl.textComponent;
      var _props = this.props,
          value = _props.value,
          children = _props.children;
      var formattedRelative = formatRelative(value, _extends({}, this.props, this.state));

      if (typeof children === 'function') {
        return children(formattedRelative);
      }

      return /*#__PURE__*/react.createElement(Text, null, formattedRelative);
    }
  }]);
  return FormattedRelative;
}(react.Component);

FormattedRelative.displayName = 'FormattedRelative';
FormattedRelative.contextTypes = {
  intl: intlShape
};
FormattedRelative.defaultProps = {
  updateInterval: 1000 * 10
};
FormattedRelative.propTypes = _extends({}, relativeFormatPropTypes, {
  value: propTypes.any.isRequired,
  format: propTypes.string,
  updateInterval: propTypes.number,
  initialNow: propTypes.any,
  children: propTypes.func
}) ;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

var FormattedNumber = function (_Component) {
  inherits(FormattedNumber, _Component);

  function FormattedNumber(props, context) {
    classCallCheck(this, FormattedNumber);

    var _this = possibleConstructorReturn(this, (FormattedNumber.__proto__ || Object.getPrototypeOf(FormattedNumber)).call(this, props, context));

    invariantIntlContext(context);
    return _this;
  }

  createClass(FormattedNumber, [{
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate() {
      for (var _len = arguments.length, next = Array(_len), _key = 0; _key < _len; _key++) {
        next[_key] = arguments[_key];
      }

      return shouldIntlComponentUpdate.apply(undefined, [this].concat(next));
    }
  }, {
    key: 'render',
    value: function render() {
      var _context$intl = this.context.intl,
          formatNumber = _context$intl.formatNumber,
          Text = _context$intl.textComponent;
      var _props = this.props,
          value = _props.value,
          children = _props.children;
      var formattedNumber = formatNumber(value, this.props);

      if (typeof children === 'function') {
        return children(formattedNumber);
      }

      return /*#__PURE__*/react.createElement(Text, null, formattedNumber);
    }
  }]);
  return FormattedNumber;
}(react.Component);

FormattedNumber.displayName = 'FormattedNumber';
FormattedNumber.contextTypes = {
  intl: intlShape
};
FormattedNumber.propTypes = _extends({}, numberFormatPropTypes, {
  value: propTypes.any.isRequired,
  format: propTypes.string,
  children: propTypes.func
}) ;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

var FormattedPlural = function (_Component) {
  inherits(FormattedPlural, _Component);

  function FormattedPlural(props, context) {
    classCallCheck(this, FormattedPlural);

    var _this = possibleConstructorReturn(this, (FormattedPlural.__proto__ || Object.getPrototypeOf(FormattedPlural)).call(this, props, context));

    invariantIntlContext(context);
    return _this;
  }

  createClass(FormattedPlural, [{
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate() {
      for (var _len = arguments.length, next = Array(_len), _key = 0; _key < _len; _key++) {
        next[_key] = arguments[_key];
      }

      return shouldIntlComponentUpdate.apply(undefined, [this].concat(next));
    }
  }, {
    key: 'render',
    value: function render() {
      var _context$intl = this.context.intl,
          formatPlural = _context$intl.formatPlural,
          Text = _context$intl.textComponent;
      var _props = this.props,
          value = _props.value,
          other = _props.other,
          children = _props.children;
      var pluralCategory = formatPlural(value, this.props);
      var formattedPlural = this.props[pluralCategory] || other;

      if (typeof children === 'function') {
        return children(formattedPlural);
      }

      return /*#__PURE__*/react.createElement(Text, null, formattedPlural);
    }
  }]);
  return FormattedPlural;
}(react.Component);

FormattedPlural.displayName = 'FormattedPlural';
FormattedPlural.contextTypes = {
  intl: intlShape
};
FormattedPlural.defaultProps = {
  style: 'cardinal'
};
FormattedPlural.propTypes = _extends({}, pluralFormatPropTypes, {
  value: propTypes.any.isRequired,
  other: propTypes.node.isRequired,
  zero: propTypes.node,
  one: propTypes.node,
  two: propTypes.node,
  few: propTypes.node,
  many: propTypes.node,
  children: propTypes.func
}) ;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

var defaultFormatMessage = function defaultFormatMessage(descriptor, values) {
  {
    console.error('[React Intl] Could not find required `intl` object. <IntlProvider> needs to exist in the component ancestry. Using default message as fallback.');
  }

  return formatMessage$2({}, {
    getMessageFormat: memoizeFormatConstructor(intlMessageformat)
  }, descriptor, values);
};

var FormattedMessage = function (_Component) {
  inherits(FormattedMessage, _Component);

  function FormattedMessage(props, context) {
    classCallCheck(this, FormattedMessage);

    var _this = possibleConstructorReturn(this, (FormattedMessage.__proto__ || Object.getPrototypeOf(FormattedMessage)).call(this, props, context));

    if (!props.defaultMessage) {
      invariantIntlContext(context);
    }

    return _this;
  }

  createClass(FormattedMessage, [{
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate(nextProps) {
      var values = this.props.values;
      var nextValues = nextProps.values;

      if (!shallowEquals(nextValues, values)) {
        return true;
      } // Since `values` has already been checked, we know they're not
      // different, so the current `values` are carried over so the shallow
      // equals comparison on the other props isn't affected by the `values`.


      var nextPropsToCheck = _extends({}, nextProps, {
        values: values
      });

      for (var _len = arguments.length, next = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        next[_key - 1] = arguments[_key];
      }

      return shouldIntlComponentUpdate.apply(undefined, [this, nextPropsToCheck].concat(next));
    }
  }, {
    key: 'render',
    value: function render() {
      var _ref = this.context.intl || {},
          _ref$formatMessage = _ref.formatMessage,
          formatMessage$$1 = _ref$formatMessage === undefined ? defaultFormatMessage : _ref$formatMessage,
          _ref$textComponent = _ref.textComponent,
          Text = _ref$textComponent === undefined ? 'span' : _ref$textComponent;

      var _props = this.props,
          id = _props.id,
          description = _props.description,
          defaultMessage = _props.defaultMessage,
          values = _props.values,
          _props$tagName = _props.tagName,
          Component$$1 = _props$tagName === undefined ? Text : _props$tagName,
          children = _props.children;
      var tokenDelimiter = void 0;
      var tokenizedValues = void 0;
      var elements = void 0;
      var hasValues = values && Object.keys(values).length > 0;

      if (hasValues) {
        // Creates a token with a random UID that should not be guessable or
        // conflict with other parts of the `message` string.
        var uid = Math.floor(Math.random() * 0x10000000000).toString(16);

        var generateToken = function () {
          var counter = 0;
          return function () {
            return 'ELEMENT-' + uid + '-' + (counter += 1);
          };
        }(); // Splitting with a delimiter to support IE8. When using a regex
        // with a capture group IE8 does not include the capture group in
        // the resulting array.


        tokenDelimiter = '@__' + uid + '__@';
        tokenizedValues = {};
        elements = {}; // Iterates over the `props` to keep track of any React Element
        // values so they can be represented by the `token` as a placeholder
        // when the `message` is formatted. This allows the formatted
        // message to then be broken-up into parts with references to the
        // React Elements inserted back in.

        Object.keys(values).forEach(function (name) {
          var value = values[name];

          if ( /*#__PURE__*/react.isValidElement(value)) {
            var token = generateToken();
            tokenizedValues[name] = tokenDelimiter + token + tokenDelimiter;
            elements[token] = value;
          } else {
            tokenizedValues[name] = value;
          }
        });
      }

      var descriptor = {
        id: id,
        description: description,
        defaultMessage: defaultMessage
      };
      var formattedMessage = formatMessage$$1(descriptor, tokenizedValues || values);
      var nodes = void 0;
      var hasElements = elements && Object.keys(elements).length > 0;

      if (hasElements) {
        // Split the message into parts so the React Element values captured
        // above can be inserted back into the rendered message. This
        // approach allows messages to render with React Elements while
        // keeping React's virtual diffing working properly.
        nodes = formattedMessage.split(tokenDelimiter).filter(function (part) {
          return !!part;
        }).map(function (part) {
          return elements[part] || part;
        });
      } else {
        nodes = [formattedMessage];
      }

      if (typeof children === 'function') {
        return children.apply(undefined, toConsumableArray(nodes));
      } // Needs to use `createElement()` instead of JSX, otherwise React will
      // warn about a missing `key` prop with rich-text message formatting.


      return react.createElement.apply(undefined, [Component$$1, null].concat(toConsumableArray(nodes)));
    }
  }]);
  return FormattedMessage;
}(react.Component);

FormattedMessage.displayName = 'FormattedMessage';
FormattedMessage.contextTypes = {
  intl: intlShape
};
FormattedMessage.defaultProps = {
  values: {}
};
FormattedMessage.propTypes = _extends({}, messageDescriptorPropTypes, {
  values: propTypes.object,
  tagName: propTypes.oneOfType([propTypes.string, propTypes.element]),
  children: propTypes.func
}) ;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

var FormattedHTMLMessage = function (_Component) {
  inherits(FormattedHTMLMessage, _Component);

  function FormattedHTMLMessage(props, context) {
    classCallCheck(this, FormattedHTMLMessage);

    var _this = possibleConstructorReturn(this, (FormattedHTMLMessage.__proto__ || Object.getPrototypeOf(FormattedHTMLMessage)).call(this, props, context));

    invariantIntlContext(context);
    return _this;
  }

  createClass(FormattedHTMLMessage, [{
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate(nextProps) {
      var values = this.props.values;
      var nextValues = nextProps.values;

      if (!shallowEquals(nextValues, values)) {
        return true;
      } // Since `values` has already been checked, we know they're not
      // different, so the current `values` are carried over so the shallow
      // equals comparison on the other props isn't affected by the `values`.


      var nextPropsToCheck = _extends({}, nextProps, {
        values: values
      });

      for (var _len = arguments.length, next = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        next[_key - 1] = arguments[_key];
      }

      return shouldIntlComponentUpdate.apply(undefined, [this, nextPropsToCheck].concat(next));
    }
  }, {
    key: 'render',
    value: function render() {
      var _context$intl = this.context.intl,
          formatHTMLMessage = _context$intl.formatHTMLMessage,
          Text = _context$intl.textComponent;
      var _props = this.props,
          id = _props.id,
          description = _props.description,
          defaultMessage = _props.defaultMessage,
          rawValues = _props.values,
          _props$tagName = _props.tagName,
          Component$$1 = _props$tagName === undefined ? Text : _props$tagName,
          children = _props.children;
      var descriptor = {
        id: id,
        description: description,
        defaultMessage: defaultMessage
      };
      var formattedHTMLMessage = formatHTMLMessage(descriptor, rawValues);

      if (typeof children === 'function') {
        return children(formattedHTMLMessage);
      } // Since the message presumably has HTML in it, we need to set
      // `innerHTML` in order for it to be rendered and not escaped by React.
      // To be safe, all string prop values were escaped when formatting the
      // message. It is assumed that the message is not UGC, and came from the
      // developer making it more like a template.
      //
      // Note: There's a perf impact of using this component since there's no
      // way for React to do its virtual DOM diffing.


      var html = {
        __html: formattedHTMLMessage
      };
      return /*#__PURE__*/react.createElement(Component$$1, {
        dangerouslySetInnerHTML: html
      });
    }
  }]);
  return FormattedHTMLMessage;
}(react.Component);

FormattedHTMLMessage.displayName = 'FormattedHTMLMessage';
FormattedHTMLMessage.contextTypes = {
  intl: intlShape
};
FormattedHTMLMessage.defaultProps = {
  values: {}
};
FormattedHTMLMessage.propTypes = _extends({}, messageDescriptorPropTypes, {
  values: propTypes.object,
  tagName: propTypes.string,
  children: propTypes.func
}) ;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

addLocaleData(defaultLocaleData);
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

addLocaleData(allLocaleData);

var img$1 = 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";

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var translationMap = {
  'ja': {
    'gui.extension.ml2scratch.description': '機械学習を使う'
  },
  'ja-Hira': {
    'gui.extension.ml2scratch.description': 'きかいがくしゅうをつかう'
  }
};
var entry = {
  name: 'ML2Scratch',
  extensionId: 'ml2scratch',
  extensionURL: 'https://champierre.github.io/ml2scratch/ml2scratch.mjs',
  collaborator: 'champierre',
  iconURL: img$1,
  insetIconURL: img,
  description: /*#__PURE__*/react.createElement(FormattedMessage, {
    defaultMessage: "ML2Scratch Blocks.",
    description: "Description for ML2Scratch Blocks.",
    id: "gui.extension.ml2scratch.description"
  }),
  featured: true,
  disabled: false,
  bluetoothRequired: false,
  internetConnectionRequired: true,
  helpLink: 'https://github.com/champierre/ml2scratch/',
  translationMap: translationMap
};

/**
 * Block argument types
 * @enum {string}
 */
var ArgumentType = {
  /**
   * Numeric value with angle picker
   */
  ANGLE: 'angle',

  /**
   * Boolean value with hexagonal placeholder
   */
  BOOLEAN: 'Boolean',

  /**
   * Numeric value with color picker
   */
  COLOR: 'color',

  /**
   * Numeric value with text field
   */
  NUMBER: 'number',

  /**
   * String value with text field
   */
  STRING: 'string',

  /**
   * String value with matrix field
   */
  MATRIX: 'matrix',

  /**
   * MIDI note number with note picker (piano) field
   */
  NOTE: 'note',

  /**
   * Inline image on block (as part of the label)
   */
  IMAGE: 'image'
};
var argumentType = ArgumentType;

/**
 * Types of block
 * @enum {string}
 */
var BlockType = {
  /**
   * Boolean reporter with hexagonal shape
   */
  BOOLEAN: 'Boolean',

  /**
   * A button (not an actual block) for some special action, like making a variable
   */
  BUTTON: 'button',

  /**
   * Command block
   */
  COMMAND: 'command',

  /**
   * Specialized command block which may or may not run a child branch
   * The thread continues with the next block whether or not a child branch ran.
   */
  CONDITIONAL: 'conditional',

  /**
   * Specialized hat block with no implementation function
   * This stack only runs if the corresponding event is emitted by other code.
   */
  EVENT: 'event',

  /**
   * Hat block which conditionally starts a block stack
   */
  HAT: 'hat',

  /**
   * Specialized command block which may or may not run a child branch
   * If a child branch runs, the thread evaluates the loop block again.
   */
  LOOP: 'loop',

  /**
   * General reporter with numeric or string value
   */
  REPORTER: 'reporter'
};
var blockType = BlockType;

var Color = /*#__PURE__*/function () {
  function Color() {
    _classCallCheck(this, Color);
  }

  _createClass(Color, null, [{
    key: "RGB_BLACK",
    get:
    /**
     * @typedef {object} RGBObject - An object representing a color in RGB format.
     * @property {number} r - the red component, in the range [0, 255].
     * @property {number} g - the green component, in the range [0, 255].
     * @property {number} b - the blue component, in the range [0, 255].
     */

    /**
     * @typedef {object} HSVObject - An object representing a color in HSV format.
     * @property {number} h - hue, in the range [0-359).
     * @property {number} s - saturation, in the range [0,1].
     * @property {number} v - value, in the range [0,1].
     */

    /** @type {RGBObject} */
    function get() {
      return {
        r: 0,
        g: 0,
        b: 0
      };
    }
    /** @type {RGBObject} */

  }, {
    key: "RGB_WHITE",
    get: function get() {
      return {
        r: 255,
        g: 255,
        b: 255
      };
    }
    /**
     * Convert a Scratch decimal color to a hex string, #RRGGBB.
     * @param {number} decimal RGB color as a decimal.
     * @return {string} RGB color as #RRGGBB hex string.
     */

  }, {
    key: "decimalToHex",
    value: function decimalToHex(decimal) {
      if (decimal < 0) {
        decimal += 0xFFFFFF + 1;
      }

      var hex = Number(decimal).toString(16);
      hex = "#".concat('000000'.substr(0, 6 - hex.length)).concat(hex);
      return hex;
    }
    /**
     * Convert a Scratch decimal color to an RGB color object.
     * @param {number} decimal RGB color as decimal.
     * @return {RGBObject} rgb - {r: red [0,255], g: green [0,255], b: blue [0,255]}.
     */

  }, {
    key: "decimalToRgb",
    value: function decimalToRgb(decimal) {
      var a = decimal >> 24 & 0xFF;
      var r = decimal >> 16 & 0xFF;
      var g = decimal >> 8 & 0xFF;
      var b = decimal & 0xFF;
      return {
        r: r,
        g: g,
        b: b,
        a: a > 0 ? a : 255
      };
    }
    /**
     * Convert a hex color (e.g., F00, #03F, #0033FF) to an RGB color object.
     * CC-BY-SA Tim Down:
     * https://stackoverflow.com/questions/5623838/rgb-to-hex-and-hex-to-rgb
     * @param {!string} hex Hex representation of the color.
     * @return {RGBObject} null on failure, or rgb: {r: red [0,255], g: green [0,255], b: blue [0,255]}.
     */

  }, {
    key: "hexToRgb",
    value: function hexToRgb(hex) {
      var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
      hex = hex.replace(shorthandRegex, function (m, r, g, b) {
        return r + r + g + g + b + b;
      });
      var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
      return result ? {
        r: parseInt(result[1], 16),
        g: parseInt(result[2], 16),
        b: parseInt(result[3], 16)
      } : null;
    }
    /**
     * Convert an RGB color object to a hex color.
     * @param {RGBObject} rgb - {r: red [0,255], g: green [0,255], b: blue [0,255]}.
     * @return {!string} Hex representation of the color.
     */

  }, {
    key: "rgbToHex",
    value: function rgbToHex(rgb) {
      return Color.decimalToHex(Color.rgbToDecimal(rgb));
    }
    /**
     * Convert an RGB color object to a Scratch decimal color.
     * @param {RGBObject} rgb - {r: red [0,255], g: green [0,255], b: blue [0,255]}.
     * @return {!number} Number representing the color.
     */

  }, {
    key: "rgbToDecimal",
    value: function rgbToDecimal(rgb) {
      return (rgb.r << 16) + (rgb.g << 8) + rgb.b;
    }
    /**
    * Convert a hex color (e.g., F00, #03F, #0033FF) to a decimal color number.
    * @param {!string} hex Hex representation of the color.
    * @return {!number} Number representing the color.
    */

  }, {
    key: "hexToDecimal",
    value: function hexToDecimal(hex) {
      return Color.rgbToDecimal(Color.hexToRgb(hex));
    }
    /**
     * Convert an HSV color to RGB format.
     * @param {HSVObject} hsv - {h: hue [0,360), s: saturation [0,1], v: value [0,1]}
     * @return {RGBObject} rgb - {r: red [0,255], g: green [0,255], b: blue [0,255]}.
     */

  }, {
    key: "hsvToRgb",
    value: function hsvToRgb(hsv) {
      var h = hsv.h % 360;
      if (h < 0) h += 360;
      var s = Math.max(0, Math.min(hsv.s, 1));
      var v = Math.max(0, Math.min(hsv.v, 1));
      var i = Math.floor(h / 60);
      var f = h / 60 - i;
      var p = v * (1 - s);
      var q = v * (1 - s * f);
      var t = v * (1 - s * (1 - f));
      var r;
      var g;
      var b;

      switch (i) {
        default:
        case 0:
          r = v;
          g = t;
          b = p;
          break;

        case 1:
          r = q;
          g = v;
          b = p;
          break;

        case 2:
          r = p;
          g = v;
          b = t;
          break;

        case 3:
          r = p;
          g = q;
          b = v;
          break;

        case 4:
          r = t;
          g = p;
          b = v;
          break;

        case 5:
          r = v;
          g = p;
          b = q;
          break;
      }

      return {
        r: Math.floor(r * 255),
        g: Math.floor(g * 255),
        b: Math.floor(b * 255)
      };
    }
    /**
     * Convert an RGB color to HSV format.
     * @param {RGBObject} rgb - {r: red [0,255], g: green [0,255], b: blue [0,255]}.
     * @return {HSVObject} hsv - {h: hue [0,360), s: saturation [0,1], v: value [0,1]}
     */

  }, {
    key: "rgbToHsv",
    value: function rgbToHsv(rgb) {
      var r = rgb.r / 255;
      var g = rgb.g / 255;
      var b = rgb.b / 255;
      var x = Math.min(Math.min(r, g), b);
      var v = Math.max(Math.max(r, g), b); // For grays, hue will be arbitrarily reported as zero. Otherwise, calculate

      var h = 0;
      var s = 0;

      if (x !== v) {
        var f = r === x ? g - b : g === x ? b - r : r - g;
        var i = r === x ? 3 : g === x ? 5 : 1;
        h = (i - f / (v - x)) * 60 % 360;
        s = (v - x) / v;
      }

      return {
        h: h,
        s: s,
        v: v
      };
    }
    /**
     * Linear interpolation between rgb0 and rgb1.
     * @param {RGBObject} rgb0 - the color corresponding to fraction1 <= 0.
     * @param {RGBObject} rgb1 - the color corresponding to fraction1 >= 1.
     * @param {number} fraction1 - the interpolation parameter. If this is 0.5, for example, mix the two colors equally.
     * @return {RGBObject} the interpolated color.
     */

  }, {
    key: "mixRgb",
    value: function mixRgb(rgb0, rgb1, fraction1) {
      if (fraction1 <= 0) return rgb0;
      if (fraction1 >= 1) return rgb1;
      var fraction0 = 1 - fraction1;
      return {
        r: fraction0 * rgb0.r + fraction1 * rgb1.r,
        g: fraction0 * rgb0.g + fraction1 * rgb1.g,
        b: fraction0 * rgb0.b + fraction1 * rgb1.b
      };
    }
  }]);

  return Color;
}();

var color$1 = Color;

/**
 * @fileoverview
 * Utilities for casting and comparing Scratch data-types.
 * Scratch behaves slightly differently from JavaScript in many respects,
 * and these differences should be encapsulated below.
 * For example, in Scratch, add(1, join("hello", world")) -> 1.
 * This is because "hello world" is cast to 0.
 * In JavaScript, 1 + Number("hello" + "world") would give you NaN.
 * Use when coercing a value before computation.
 */

var Cast = /*#__PURE__*/function () {
  function Cast() {
    _classCallCheck(this, Cast);
  }

  _createClass(Cast, null, [{
    key: "toNumber",
    value:
    /**
     * Scratch cast to number.
     * Treats NaN as 0.
     * In Scratch 2.0, this is captured by `interp.numArg.`
     * @param {*} value Value to cast to number.
     * @return {number} The Scratch-casted number value.
     */
    function toNumber(value) {
      // If value is already a number we don't need to coerce it with
      // Number().
      if (typeof value === 'number') {
        // Scratch treats NaN as 0, when needed as a number.
        // E.g., 0 + NaN -> 0.
        if (Number.isNaN(value)) {
          return 0;
        }

        return value;
      }

      var n = Number(value);

      if (Number.isNaN(n)) {
        // Scratch treats NaN as 0, when needed as a number.
        // E.g., 0 + NaN -> 0.
        return 0;
      }

      return n;
    }
    /**
     * Scratch cast to boolean.
     * In Scratch 2.0, this is captured by `interp.boolArg.`
     * Treats some string values differently from JavaScript.
     * @param {*} value Value to cast to boolean.
     * @return {boolean} The Scratch-casted boolean value.
     */

  }, {
    key: "toBoolean",
    value: function toBoolean(value) {
      // Already a boolean?
      if (typeof value === 'boolean') {
        return value;
      }

      if (typeof value === 'string') {
        // These specific strings are treated as false in Scratch.
        if (value === '' || value === '0' || value.toLowerCase() === 'false') {
          return false;
        } // All other strings treated as true.


        return true;
      } // Coerce other values and numbers.


      return Boolean(value);
    }
    /**
     * Scratch cast to string.
     * @param {*} value Value to cast to string.
     * @return {string} The Scratch-casted string value.
     */

  }, {
    key: "toString",
    value: function toString(value) {
      return String(value);
    }
    /**
     * Cast any Scratch argument to an RGB color array to be used for the renderer.
     * @param {*} value Value to convert to RGB color array.
     * @return {Array.<number>} [r,g,b], values between 0-255.
     */

  }, {
    key: "toRgbColorList",
    value: function toRgbColorList(value) {
      var color = Cast.toRgbColorObject(value);
      return [color.r, color.g, color.b];
    }
    /**
     * Cast any Scratch argument to an RGB color object to be used for the renderer.
     * @param {*} value Value to convert to RGB color object.
     * @return {RGBOject} [r,g,b], values between 0-255.
     */

  }, {
    key: "toRgbColorObject",
    value: function toRgbColorObject(value) {
      var color;

      if (typeof value === 'string' && value.substring(0, 1) === '#') {
        color = color$1.hexToRgb(value); // If the color wasn't *actually* a hex color, cast to black

        if (!color) color = {
          r: 0,
          g: 0,
          b: 0,
          a: 255
        };
      } else {
        color = color$1.decimalToRgb(Cast.toNumber(value));
      }

      return color;
    }
    /**
     * Determine if a Scratch argument is a white space string (or null / empty).
     * @param {*} val value to check.
     * @return {boolean} True if the argument is all white spaces or null / empty.
     */

  }, {
    key: "isWhiteSpace",
    value: function isWhiteSpace(val) {
      return val === null || typeof val === 'string' && val.trim().length === 0;
    }
    /**
     * Compare two values, using Scratch cast, case-insensitive string compare, etc.
     * In Scratch 2.0, this is captured by `interp.compare.`
     * @param {*} v1 First value to compare.
     * @param {*} v2 Second value to compare.
     * @returns {number} Negative number if v1 < v2; 0 if equal; positive otherwise.
     */

  }, {
    key: "compare",
    value: function compare(v1, v2) {
      var n1 = Number(v1);
      var n2 = Number(v2);

      if (n1 === 0 && Cast.isWhiteSpace(v1)) {
        n1 = NaN;
      } else if (n2 === 0 && Cast.isWhiteSpace(v2)) {
        n2 = NaN;
      }

      if (isNaN(n1) || isNaN(n2)) {
        // At least one argument can't be converted to a number.
        // Scratch compares strings as case insensitive.
        var s1 = String(v1).toLowerCase();
        var s2 = String(v2).toLowerCase();

        if (s1 < s2) {
          return -1;
        } else if (s1 > s2) {
          return 1;
        }

        return 0;
      } // Handle the special case of Infinity


      if (n1 === Infinity && n2 === Infinity || n1 === -Infinity && n2 === -Infinity) {
        return 0;
      } // Compare as numbers.


      return n1 - n2;
    }
    /**
     * Determine if a Scratch argument number represents a round integer.
     * @param {*} val Value to check.
     * @return {boolean} True if number looks like an integer.
     */

  }, {
    key: "isInt",
    value: function isInt(val) {
      // Values that are already numbers.
      if (typeof val === 'number') {
        if (isNaN(val)) {
          // NaN is considered an integer.
          return true;
        } // True if it's "round" (e.g., 2.0 and 2).


        return val === parseInt(val, 10);
      } else if (typeof val === 'boolean') {
        // `True` and `false` always represent integer after Scratch cast.
        return true;
      } else if (typeof val === 'string') {
        // If it contains a decimal point, don't consider it an int.
        return val.indexOf('.') < 0;
      }

      return false;
    }
  }, {
    key: "LIST_INVALID",
    get: function get() {
      return 'INVALID';
    }
  }, {
    key: "LIST_ALL",
    get: function get() {
      return 'ALL';
    }
    /**
     * Compute a 1-based index into a list, based on a Scratch argument.
     * Two special cases may be returned:
     * LIST_ALL: if the block is referring to all of the items in the list.
     * LIST_INVALID: if the index was invalid in any way.
     * @param {*} index Scratch arg, including 1-based numbers or special cases.
     * @param {number} length Length of the list.
     * @param {boolean} acceptAll Whether it should accept "all" or not.
     * @return {(number|string)} 1-based index for list, LIST_ALL, or LIST_INVALID.
     */

  }, {
    key: "toListIndex",
    value: function toListIndex(index, length, acceptAll) {
      if (typeof index !== 'number') {
        if (index === 'all') {
          return acceptAll ? Cast.LIST_ALL : Cast.LIST_INVALID;
        }

        if (index === 'last') {
          if (length > 0) {
            return length;
          }

          return Cast.LIST_INVALID;
        } else if (index === 'random' || index === 'any') {
          if (length > 0) {
            return 1 + Math.floor(Math.random() * length);
          }

          return Cast.LIST_INVALID;
        }
      }

      index = Math.floor(Cast.toNumber(index));

      if (index < 1 || index > length) {
        return Cast.LIST_INVALID;
      }

      return index;
    }
  }]);

  return Cast;
}();

var cast = Cast;

function M() {
  this._events = {};
}

M.prototype = {
  on: function on(ev, cb) {
    this._events || (this._events = {});
    var e = this._events;
    (e[ev] || (e[ev] = [])).push(cb);
    return this;
  },
  removeListener: function removeListener(ev, cb) {
    var e = this._events[ev] || [],
        i;

    for (i = e.length - 1; i >= 0 && e[i]; i--) {
      if (e[i] === cb || e[i].cb === cb) {
        e.splice(i, 1);
      }
    }
  },
  removeAllListeners: function removeAllListeners(ev) {
    if (!ev) {
      this._events = {};
    } else {
      this._events[ev] && (this._events[ev] = []);
    }
  },
  listeners: function listeners(ev) {
    return this._events ? this._events[ev] || [] : [];
  },
  emit: function emit(ev) {
    this._events || (this._events = {});
    var args = Array.prototype.slice.call(arguments, 1),
        i,
        e = this._events[ev] || [];

    for (i = e.length - 1; i >= 0 && e[i]; i--) {
      e[i].apply(this, args);
    }

    return this;
  },
  when: function when(ev, cb) {
    return this.once(ev, cb, true);
  },
  once: function once(ev, cb, when) {
    if (!cb) return this;

    function c() {
      if (!when) this.removeListener(ev, c);
      if (cb.apply(this, arguments) && when) this.removeListener(ev, c);
    }

    c.cb = cb;
    this.on(ev, c);
    return this;
  }
};

M.mixin = function (dest) {
  var o = M.prototype,
      k;

  for (k in o) {
    o.hasOwnProperty(k) && (dest.prototype[k] = o[k]);
  }
};

var microee = M;

function Transform() {}

microee.mixin(Transform); // The write() signature is different from Node's
// --> makes it much easier to work with objects in logs.
// One of the lessons from v1 was that it's better to target
// a good browser rather than the lowest common denominator
// internally.
// If you want to use external streams, pipe() to ./stringify.js first.

Transform.prototype.write = function (name, level, args) {
  this.emit('item', name, level, args);
};

Transform.prototype.end = function () {
  this.emit('end');
  this.removeAllListeners();
};

Transform.prototype.pipe = function (dest) {
  var s = this; // prevent double piping

  s.emit('unpipe', dest); // tell the dest that it's being piped to

  dest.emit('pipe', s);

  function onItem() {
    dest.write.apply(dest, Array.prototype.slice.call(arguments));
  }

  function onEnd() {
    !dest._isStdio && dest.end();
  }

  s.on('item', onItem);
  s.on('end', onEnd);
  s.when('unpipe', function (from) {
    var match = from === dest || typeof from == 'undefined';

    if (match) {
      s.removeListener('item', onItem);
      s.removeListener('end', onEnd);
      dest.emit('unpipe');
    }

    return match;
  });
  return dest;
};

Transform.prototype.unpipe = function (from) {
  this.emit('unpipe', from);
  return this;
};

Transform.prototype.format = function (dest) {
  throw new Error(['Warning: .format() is deprecated in Minilog v2! Use .pipe() instead. For example:', 'var Minilog = require(\'minilog\');', 'Minilog', '  .pipe(Minilog.backends.console.formatClean)', '  .pipe(Minilog.backends.console);'].join('\n'));
};

Transform.mixin = function (dest) {
  var o = Transform.prototype,
      k;

  for (k in o) {
    o.hasOwnProperty(k) && (dest.prototype[k] = o[k]);
  }
};

var transform = Transform;

var levelMap = {
  debug: 1,
  info: 2,
  warn: 3,
  error: 4
};

function Filter() {
  this.enabled = true;
  this.defaultResult = true;
  this.clear();
}

transform.mixin(Filter); // allow all matching, with level >= given level

Filter.prototype.allow = function (name, level) {
  this._white.push({
    n: name,
    l: levelMap[level]
  });

  return this;
}; // deny all matching, with level <= given level


Filter.prototype.deny = function (name, level) {
  this._black.push({
    n: name,
    l: levelMap[level]
  });

  return this;
};

Filter.prototype.clear = function () {
  this._white = [];
  this._black = [];
  return this;
};

function test(rule, name) {
  // use .test for RegExps
  return rule.n.test ? rule.n.test(name) : rule.n == name;
}

Filter.prototype.test = function (name, level) {
  var i,
      len = Math.max(this._white.length, this._black.length);

  for (i = 0; i < len; i++) {
    if (this._white[i] && test(this._white[i], name) && levelMap[level] >= this._white[i].l) {
      return true;
    }

    if (this._black[i] && test(this._black[i], name) && levelMap[level] <= this._black[i].l) {
      return false;
    }
  }

  return this.defaultResult;
};

Filter.prototype.write = function (name, level, args) {
  if (!this.enabled || this.test(name, level)) {
    return this.emit('item', name, level, args);
  }
};

var filter = Filter;

var minilog$1 = createCommonjsModule(function (module, exports) {
  var log = new transform(),
      slice = Array.prototype.slice;

  exports = module.exports = function create(name) {
    var o = function o() {
      log.write(name, undefined, slice.call(arguments));
      return o;
    };

    o.debug = function () {
      log.write(name, 'debug', slice.call(arguments));
      return o;
    };

    o.info = function () {
      log.write(name, 'info', slice.call(arguments));
      return o;
    };

    o.warn = function () {
      log.write(name, 'warn', slice.call(arguments));
      return o;
    };

    o.error = function () {
      log.write(name, 'error', slice.call(arguments));
      return o;
    };

    o.log = o.debug; // for interface compliance with Node and browser consoles

    o.suggest = exports.suggest;
    o.format = log.format;
    return o;
  }; // filled in separately


  exports.defaultBackend = exports.defaultFormatter = null;

  exports.pipe = function (dest) {
    return log.pipe(dest);
  };

  exports.end = exports.unpipe = exports.disable = function (from) {
    return log.unpipe(from);
  };

  exports.Transform = transform;
  exports.Filter = filter; // this is the default filter that's applied when .enable() is called normally
  // you can bypass it completely and set up your own pipes

  exports.suggest = new filter();

  exports.enable = function () {
    if (exports.defaultFormatter) {
      return log.pipe(exports.suggest) // filter
      .pipe(exports.defaultFormatter) // formatter
      .pipe(exports.defaultBackend); // backend
    }

    return log.pipe(exports.suggest) // filter
    .pipe(exports.defaultBackend); // formatter
  };
});

var hex = {
  black: '#000',
  red: '#c23621',
  green: '#25bc26',
  yellow: '#bbbb00',
  blue: '#492ee1',
  magenta: '#d338d3',
  cyan: '#33bbc8',
  gray: '#808080',
  purple: '#708'
};

function color(fg, isInverse) {
  if (isInverse) {
    return 'color: #fff; background: ' + hex[fg] + ';';
  } else {
    return 'color: ' + hex[fg] + ';';
  }
}

var util = color;

var colors$1 = {
  debug: ['cyan'],
  info: ['purple'],
  warn: ['yellow', true],
  error: ['red', true]
},
    logger$4 = new transform();

logger$4.write = function (name, level, args) {
  var fn = console.log;

  if (console[level] && console[level].apply) {
    fn = console[level];
    fn.apply(console, ['%c' + name + ' %c' + level, util('gray'), util.apply(util, colors$1[level])].concat(args));
  }
}; // NOP, because piping the formatted logs can only cause trouble.


logger$4.pipe = function () {};

var color_1 = logger$4;

var colors = {
  debug: ['gray'],
  info: ['purple'],
  warn: ['yellow', true],
  error: ['red', true]
},
    logger$3 = new transform();

logger$3.write = function (name, level, args) {
  var fn = console.log;

  if (level != 'debug' && console[level]) {
    fn = console[level];
  }

  var i = 0;

  if (level != 'info') {
    for (; i < args.length; i++) {
      if (typeof args[i] != 'string') break;
    }

    fn.apply(console, ['%c' + name + ' ' + args.slice(0, i).join(' '), util.apply(util, colors[level])].concat(args.slice(i)));
  } else {
    fn.apply(console, ['%c' + name, util.apply(util, colors[level])].concat(args));
  }
}; // NOP, because piping the formatted logs can only cause trouble.


logger$3.pipe = function () {};

var minilog = logger$3;

var newlines = /\n+$/,
    logger$2 = new transform();

logger$2.write = function (name, level, args) {
  var i = args.length - 1;

  if (typeof console === 'undefined' || !console.log) {
    return;
  }

  if (console.log.apply) {
    return console.log.apply(console, [name, level].concat(args));
  } else if (JSON && JSON.stringify) {
    // console.log.apply is undefined in IE8 and IE9
    // for IE8/9: make console.log at least a bit less awful
    if (args[i] && typeof args[i] == 'string') {
      args[i] = args[i].replace(newlines, '');
    }

    try {
      for (i = 0; i < args.length; i++) {
        args[i] = JSON.stringify(args[i]);
      }
    } catch (e) {}

    console.log(args.join(' '));
  }
};

logger$2.formatters = ['color', 'minilog'];
logger$2.color = color_1;
logger$2.minilog = minilog;
var console_1 = logger$2;

var cache$1 = [];
var logger$1 = new transform();

logger$1.write = function (name, level, args) {
  cache$1.push([name, level, args]);
}; // utility functions


logger$1.get = function () {
  return cache$1;
};

logger$1.empty = function () {
  cache$1 = [];
};

var array = logger$1;

var cache = false;
var logger = new transform();

logger.write = function (name, level, args) {
  if (typeof window == 'undefined' || typeof JSON == 'undefined' || !JSON.stringify || !JSON.parse) return;

  try {
    if (!cache) {
      cache = window.localStorage.minilog ? JSON.parse(window.localStorage.minilog) : [];
    }

    cache.push([new Date().toString(), name, level, args]);
    window.localStorage.minilog = JSON.stringify(cache);
  } catch (e) {}
};

var localstorage = logger;

var cid = new Date().valueOf().toString(36);

function AjaxLogger(options) {
  this.url = options.url || '';
  this.cache = [];
  this.timer = null;
  this.interval = options.interval || 30 * 1000;
  this.enabled = true;
  this.jQuery = window.jQuery;
  this.extras = {};
}

transform.mixin(AjaxLogger);

AjaxLogger.prototype.write = function (name, level, args) {
  if (!this.timer) {
    this.init();
  }

  this.cache.push([name, level].concat(args));
};

AjaxLogger.prototype.init = function () {
  if (!this.enabled || !this.jQuery) return;
  var self = this;
  this.timer = setTimeout(function () {
    var i,
        logs = [],
        ajaxData,
        url = self.url;
    if (self.cache.length == 0) return self.init(); // Test each log line and only log the ones that are valid (e.g. don't have circular references).
    // Slight performance hit but benefit is we log all valid lines.

    for (i = 0; i < self.cache.length; i++) {
      try {
        JSON.stringify(self.cache[i]);
        logs.push(self.cache[i]);
      } catch (e) {}
    }

    if (self.jQuery.isEmptyObject(self.extras)) {
      ajaxData = JSON.stringify({
        logs: logs
      });
      url = self.url + '?client_id=' + cid;
    } else {
      ajaxData = JSON.stringify(self.jQuery.extend({
        logs: logs
      }, self.extras));
    }

    self.jQuery.ajax(url, {
      type: 'POST',
      cache: false,
      processData: false,
      data: ajaxData,
      contentType: 'application/json',
      timeout: 10000
    }).success(function (data, status, jqxhr) {
      if (data.interval) {
        self.interval = Math.max(1000, data.interval);
      }
    }).error(function () {
      self.interval = 30000;
    }).always(function () {
      self.init();
    });
    self.cache = [];
  }, this.interval);
};

AjaxLogger.prototype.end = function () {}; // wait until jQuery is defined. Useful if you don't control the load order.


AjaxLogger.jQueryWait = function (onDone) {
  if (typeof window !== 'undefined' && (window.jQuery || window.$)) {
    return onDone(window.jQuery || window.$);
  } else if (typeof window !== 'undefined') {
    setTimeout(function () {
      AjaxLogger.jQueryWait(onDone);
    }, 200);
  }
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var jquery_simple = AjaxLogger;

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 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
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Function;}}),function(t){t.R0="R0",t.R1="R1",t.R2="R2",t.R3="R3",t.R4="R4",t.R5="R5",t.R6="R6";}(Ot||(Ot={})),function(t){t.float32="float32",t.int32="int32",t.bool="int32",t.complex64="complex64";}(_t||(_t={})),function(t){t.float32="float32",t.int32="int32",t.bool="bool",t.complex64="complex64";}(St||(St={})),function(t){t.float32="float32",t.int32="float32",t.bool="float32",t.complex64="complex64";}(Dt||(Dt={})),function(t){t.float32="complex64",t.int32="complex64",t.bool="complex64",t.complex64="complex64";}(Ft||(Ft={}));var Nt={float32:Dt,int32:_t,bool:St,complex64:Ft};function It(t,e){if("string"===t||"string"===e){if("string"===t&&"string"===e)return "string";throw new Error("Can not upcast "+t+" with "+e);}return Nt[t][e];}function Rt(t){return It(t,"int32");}function Mt(t,e){if(t.dtype===e.dtype)return [t,e];var n=It(t.dtype,e.dtype);return [t.cast(n),e.cast(n)];}function jt(t,e){_(t.dtype===e.dtype,function(){return "The dtypes of the first("+t.dtype+") and second("+e.dtype+") input must match";});}function Bt(t){var e=[];return function t(e,n,r){if(null!=e)if(e instanceof At)n.push(e);else if(i=e,Array.isArray(i)||"object"==_typeof$1(i)){var i,o=e;for(var a in o){var s=o[a];r.has(s)||(r.add(s),t(s,n,r));}}}(t,e,new Set()),e;}var Pt,Lt=Object.freeze({makeTypesMatch:Mt,assertTypesMatch:jt,isTensorInList:function isTensorInList(t,e){return e.some(function(e){return e.id===t.id;});},getTensorsInContainer:Bt}),zt=function(){function t(){this.registeredVariables={},this.nextTapeNodeId=0,this.numBytes=0,this.numTensors=0,this.numStringTensors=0,this.numDataBuffers=0,this.gradientDepth=0,this.kernelDepth=0,this.scopeStack=[],this.numDataMovesStack=[],this.nextScopeId=0,this.tensorInfo=new WeakMap(),this.profiling=!1,this.activeProfile={newBytes:0,newTensors:0,peakBytes:0,kernels:[],result:null};}return t.prototype.dispose=function(){for(var t in this.registeredVariables){this.registeredVariables[t].dispose();}},t;}(),Ut=function(){function t(t){this.ENV=t,this.registry={},this.registryFactory={},this.pendingBackendInitId=0,this.state=new zt();}return t.prototype.ready=function(){return u(this,void 0,void 0,function(){var t,e,n;return c(this,function(r){switch(r.label){case 0:if(null!=this.pendingBackendInit)return [2,this.pendingBackendInit.then(function(){})];if(null!=this.backendInstance)return [2];t=this.getSortedBackends(),e=0,r.label=1;case 1:return e<t.length?(n=t[e],[4,this.initializeBackend(n).success]):[3,5];case 2:return r.sent()?[4,this.setBackend(n)]:[3,4];case 3:return r.sent(),[2];case 4:return e++,[3,1];case 5:throw new Error("Could not initialize any backends, all backend initializations failed.");}});});},Object.defineProperty(t.prototype,"backend",{get:function get(){if(null!=this.pendingBackendInit)throw new Error("Backend '"+this.backendName+"' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");if(null==this.backendInstance){var t=this.initializeBackendsAndReturnBest(),e=t.name;if(t.asyncInit)throw new Error("The highest priority backend '"+e+"' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");this.setBackend(e);}return this.backendInstance;},enumerable:!0,configurable:!0}),t.prototype.backendNames=function(){return Object.keys(this.registryFactory);},t.prototype.findBackend=function(t){if(!(t in this.registry)){if(!(t in this.registryFactory))return null;if(this.initializeBackend(t).asyncInit)return null;}return this.registry[t];},t.prototype.findBackendFactory=function(t){return t in this.registryFactory?this.registryFactory[t].factory:null;},t.prototype.registerBackend=function(t,e,n){return void 0===n&&(n=1),t in this.registryFactory?(console.warn(t+" backend was already registered. Reusing existing backend factory."),!1):(this.registryFactory[t]={factory:e,priority:n},!0);},t.prototype.setBackend=function(t){return u(this,void 0,void 0,function(){var e,n,r;return c(this,function(i){switch(i.label){case 0:if(null==this.registryFactory[t])throw new Error("Backend name '"+t+"' not found in registry");return this.backendName=t,null!=this.registry[t]?[3,4]:(this.backendInstance=null,e=this.initializeBackend(t),n=e.success,e.asyncInit?[4,n]:[3,2]);case 1:return r=i.sent(),[3,3];case 2:r=n,i.label=3;case 3:if(!r)return [2,!1];i.label=4;case 4:return this.backendInstance=this.registry[t],this.setupRegisteredKernels(),this.profiler=new dt(this.backendInstance),[2,!0];}});});},t.prototype.setupRegisteredKernels=function(){var t=this;v(this.backendName).forEach(function(e){null!=e.setupFunc&&e.setupFunc(t.backendInstance);});},t.prototype.disposeRegisteredKernels=function(t){var e=this;v(t).forEach(function(n){null!=n.disposeFunc&&n.disposeFunc(e.registry[t]);});},t.prototype.initializeBackend=function(t){var e=this,n=this.registryFactory[t];if(null==n)throw new Error("Cannot initialize backend "+t+", no registration found.");try{var r=n.factory();if(Promise.resolve(r)===r){var i=++this.pendingBackendInitId,o=r.then(function(n){return !(i<e.pendingBackendInitId||(e.registry[t]=n,e.pendingBackendInit=null,0));}).catch(function(n){return !(i<e.pendingBackendInitId||(e.pendingBackendInit=null,console.warn("Initialization of backend "+t+" failed"),console.warn(n.stack||n.message),1));});return this.pendingBackendInit=o,{success:o,asyncInit:!0};}return this.registry[t]=r,{success:!0,asyncInit:!1};}catch(e){return console.warn("Initialization of backend "+t+" failed"),console.warn(e.stack||e.message),{success:!1,asyncInit:!1};}},t.prototype.removeBackend=function(t){if(!(t in this.registryFactory))throw new Error(t+" backend not found in registry");this.backendName===t&&null!=this.pendingBackendInit&&this.pendingBackendInitId++,t in this.registry&&(this.disposeRegisteredKernels(t),this.registry[t].dispose(),delete this.registry[t]),delete this.registryFactory[t],this.backendName===t&&(this.pendingBackendInit=null,this.backendName=null,this.backendInstance=null);},t.prototype.getSortedBackends=function(){var t=this;if(0===Object.keys(this.registryFactory).length)throw new Error("No backend found in registry.");return Object.keys(this.registryFactory).sort(function(e,n){return t.registryFactory[n].priority-t.registryFactory[e].priority;});},t.prototype.initializeBackendsAndReturnBest=function(){for(var t=this.getSortedBackends(),e=0;e<t.length;e++){var n=t[e],r=this.initializeBackend(n),i=r.success,o=r.asyncInit;if(o||i)return {name:n,asyncInit:o};}throw new Error("Could not initialize any backends, all backend initializations failed.");},t.prototype.moveData=function(t,e){var n=this.state.tensorInfo.get(e),r=n.backend,i=this.readSync(e);r.disposeData(e),n.backend=t,t.move(e,i,n.shape,n.dtype),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++;},t.prototype.tidy=function(t,e){var n,r=this,i=null;if(null==e){if("function"!=typeof t)throw new Error("Please provide a function to tidy()");e=t;}else {if("string"!=typeof t&&!(t instanceof String))throw new Error("When calling with two arguments, the first argument to tidy() must be a string");if("function"!=typeof e)throw new Error("When calling with two arguments, the 2nd argument to tidy() must be a function");i=t;}return this.scopedRun(function(){return r.startScope(i);},function(){return r.endScope(n);},function(){return (n=e())instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),n;});},t.prototype.scopedRun=function(t,e,n){t();try{var r=n();return e(),r;}catch(t){throw e(),t;}},t.prototype.nextTensorId=function(){return t.nextTensorId++;},t.prototype.nextVariableId=function(){return t.nextVariableId++;},t.prototype.clone=function(t){var e=this.makeTensorFromDataId(t.dataId,t.shape,t.dtype),n={x:t};return this.addTapeNode(this.state.activeScope.name,n,[e],function(t){return {x:function x(){return t.toFloat();}};},[],{}),e;},t.prototype.runKernel=function(t,e,n,r,i){return this.runKernelFunc(null,e,null,t,n,r,i);},t.prototype.shouldCheckForMemLeaks=function(){return this.ENV.getBool("IS_TEST");},t.prototype.checkKernelForMemLeak=function(t,e,n){var r=this.backend.numDataIds(),i=0;n.forEach(function(t){i+="complex64"===t.dtype?3:1;});var o=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],a=r-e-i-o;if(a>0)throw new Error("Backend '"+this.backendName+"' has an internal memory leak ("+a+" data ids) after running '"+t+"'");},t.prototype.runKernelFunc=function(t,e,n,r,i,o,a){var s,u=this,c=[],l=this.isTapeOn();null==r&&(r=null!=this.state.activeScope?this.state.activeScope.name:"");var f,h=this.state.numBytes,d=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);var p,g=m(r,this.backendName);if(null!=g)f=function f(){var t=u.backend.numDataIds();p=g.kernelFunc({inputs:e,attrs:i,backend:u.backend});var n=Array.isArray(p)?p:[p];u.shouldCheckForMemLeaks()&&u.checkKernelForMemLeak(r,t,n);var s=n.map(function(t){var e=t.dataId,n=t.shape,r=t.dtype;return u.makeTensorFromDataId(e,n,r);});if(l){var f=u.getTensorsForGradient(r,e,s);if(null==f){null==a&&(a=[]);var h=s.filter(function(t,e){return a[e];});f=(o||[]).slice().concat(h);}c=u.saveTensorsForBackwardMode(f);}return s;};else {var v=function v(t){l&&(c=t.map(function(t){return u.keep(u.clone(t));}));};f=function f(){var e=u.backend.numDataIds();p=u.tidy(function(){return t(u.backend,v);});var n=Array.isArray(p)?p:[p];return u.shouldCheckForMemLeaks()&&u.checkKernelForMemLeak(r,e,n),n;};}return this.scopedRun(function(){return u.state.kernelDepth++;},function(){return u.state.kernelDepth--;},function(){s=u.ENV.getBool("DEBUG")?u.profiler.profileKernel(r,e,function(){return f();}):f();}),l&&this.addTapeNode(r,e,s,n,c,i),this.state.profiling&&this.state.activeProfile.kernels.push({name:r,bytesAdded:this.state.numBytes-h,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-d,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(e).map(function(t){return e[t].shape;}),outputShapes:s.map(function(t){return t.shape;})}),Array.isArray(p)?s:s[0];},t.prototype.saveTensorsForBackwardMode=function(t){var e=this;return t.map(function(t){return e.keep(e.clone(t));});},t.prototype.getTensorsForGradient=function(t,e,n){var r=g(t);if(null!=r){var i=r.inputsToSave||[],o=r.outputsToSave||[],a=void 0;r.saveAllInputs?(_(Array.isArray(e),function(){return "saveAllInputs is true, expected inputs to be an array.";}),a=Object.keys(e).map(function(t){return e[t];})):a=i.map(function(t){return e[t];});var s=n.filter(function(t,e){return o[e];});return a.concat(s);}return null;},t.prototype.makeTensor=function(t,e,n,r){if(null==t)throw new Error("Values passed to engine.makeTensor() are null");n=n||"float32",r=r||this.backend;var i=t;"string"===n&&X(t[0])&&(i=t.map(function(t){return ut(t);}));var o=r.write(i,e,n),a=new At(e,n,o,this.nextTensorId());if(this.incRef(a,r),"string"===n){var s=this.state.tensorInfo.get(o),u=K(i);this.state.numBytes+=u-s.bytes,s.bytes=u;}return a;},t.prototype.makeTensorFromDataId=function(t,e,n,r){var i=new At(e,n=n||"float32",t,this.nextTensorId());return this.incRef(i,r),i;},t.prototype.makeVariable=function(t,e,n,r){void 0===e&&(e=!0),n=n||this.nextVariableId().toString(),null!=r&&r!==t.dtype&&(t=t.asType(r));var i=new Tt(t,e,n,this.nextTensorId());if(null!=this.state.registeredVariables[i.name])throw new Error("Variable with name "+i.name+" was already registered");return this.state.registeredVariables[i.name]=i,this.incRef(i,this.backend),i;},t.prototype.incRef=function(t,e){var n=this.state.tensorInfo.has(t.dataId)?this.state.tensorInfo.get(t.dataId).refCount:0;if(this.state.numTensors++,"string"===t.dtype&&this.state.numStringTensors++,0===n){this.state.numDataBuffers++;var r=0;"complex64"!==t.dtype&&"string"!==t.dtype&&(r=t.size*G(t.dtype)),this.state.tensorInfo.set(t.dataId,{backend:e||this.backend,dtype:t.dtype,shape:t.shape,bytes:r,refCount:0}),this.state.numBytes+=r;}this.state.tensorInfo.get(t.dataId).refCount++,t instanceof Tt||this.track(t);},t.prototype.disposeTensor=function(t){if(this.state.tensorInfo.has(t.dataId)){this.state.numTensors--,"string"===t.dtype&&this.state.numStringTensors--;var e=this.state.tensorInfo.get(t.dataId);e.refCount<=1?("complex64"!==t.dtype&&(this.state.numBytes-=e.bytes),this.state.numDataBuffers--,e.backend.disposeData(t.dataId),this.state.tensorInfo.delete(t.dataId)):this.state.tensorInfo.get(t.dataId).refCount--;}},t.prototype.disposeVariables=function(){for(var t in this.state.registeredVariables){var e=this.state.registeredVariables[t];this.disposeVariable(e);}},t.prototype.disposeVariable=function(t){this.disposeTensor(t),null!=this.state.registeredVariables[t.name]&&delete this.state.registeredVariables[t.name];},t.prototype.memory=function(){var t=this.backend.memory();return t.numTensors=this.state.numTensors,t.numDataBuffers=this.state.numDataBuffers,t.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(t.unreliable=!0,null==t.reasons&&(t.reasons=[]),t.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),t;},t.prototype.profile=function(t){return u(this,void 0,void 0,function(){var e,n;return c(this,function(r){return this.state.profiling=!0,e=this.state.numBytes,n=this.state.numTensors,this.state.activeProfile.kernels=[],this.state.activeProfile.result=t(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max.apply(Math,this.state.activeProfile.kernels.map(function(t){return t.totalBytesSnapshot;})),this.state.activeProfile.newBytes=this.state.numBytes-e,this.state.activeProfile.newTensors=this.state.numTensors-n,[2,this.state.activeProfile];});});},t.prototype.isTapeOn=function(){return this.state.gradientDepth>0&&0===this.state.kernelDepth;},t.prototype.addTapeNode=function(t,e,n,r,i,o){var a=this,s={id:this.state.nextTapeNodeId++,kernelName:t,inputs:e,outputs:n,saved:i},u=g(t);null!=u&&(r=u.gradFunc),null!=r&&(s.gradient=function(t){return t=t.map(function(t,e){if(null==t){var r=n[e],i=ot(r.size,r.dtype);return a.makeTensor(i,r.shape,r.dtype);}return t;}),r(t.length>1?t:t[0],i,o);}),this.state.activeTape.push(s);},t.prototype.keep=function(t){return t.kept=!0,t;},t.prototype.startTape=function(){0===this.state.gradientDepth&&(this.state.activeTape=[]),this.state.gradientDepth++;},t.prototype.endTape=function(){this.state.gradientDepth--;},t.prototype.startScope=function(t){var e={track:[],name:"unnamed scope",id:this.state.nextScopeId++};t&&(e.name=t),this.state.scopeStack.push(e),this.state.activeScope=e;},t.prototype.endScope=function(t){for(var e=this,n=Bt(t),r=new Set(n.map(function(t){return t.id;})),i=0;i<this.state.activeScope.track.length;i++){var o=this.state.activeScope.track[i];o.kept||r.has(o.id)||o.dispose();}var a=this.state.scopeStack.pop();this.state.activeScope=0===this.state.scopeStack.length?null:this.state.scopeStack[this.state.scopeStack.length-1],n.forEach(function(t){t.kept||t.scopeId!==a.id||e.track(t);});},t.prototype.gradients=function(t,e,n,r){var i=this;if(void 0===r&&(r=!1),_(e.length>0,function(){return "gradients() received an empty list of xs.";}),null!=n&&"float32"!==n.dtype)throw new Error("dy must have 'float32' dtype, but has '"+n.dtype+"'");var o=this.scopedRun(function(){return i.startTape();},function(){return i.endTape();},function(){return i.tidy("forward",t);});_(o instanceof At,function(){return "The result y returned by f() must be a tensor.";});var a=function(t,e,n){for(var r={},i={},o=0;o<e.length;o++){r[e[o].id]=!0;}for(o=0;o<t.length;o++){var a=(p=t[o]).inputs;for(var s in a){for(var u=a[s],c=!1,l=0;l<e.length;l++){if(r[u.id]){p.outputs.forEach(function(t){return r[t.id]=!0;}),c=!0,i[p.id]=!0;break;}}if(c)break;}}var f={};f[n.id]=!0;var h={};for(o=t.length-1;o>=0;o--){for(a=(p=t[o]).inputs,l=0;l<p.outputs.length;l++){if(f[p.outputs[l].id]){for(var s in a){f[a[s].id]=!0,h[p.id]=!0;}break;}}}var d=[];for(o=0;o<t.length;o++){var p;if(i[(p=t[o]).id]&&h[p.id]){var m={};for(var s in p.inputs){var g=p.inputs[s];r[g.id]&&(m[s]=g);}var v=Object.assign({},p);v.inputs=m,v.outputs=p.outputs,d.push(v);}}return d;}(this.state.activeTape,e,o);if(!r&&0===a.length&&e.length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that the f you passed encloses all operations that lead from x to y.");return this.tidy("backward",function(){var t,r,s={};s[o.id]=null==n?(r=it(T(t=o.shape),"float32"),Wt.makeTensor(r,t,"float32")):n,function(t,e,n){for(var r=function r(_r2){var i=e[_r2],o=[];if(i.outputs.forEach(function(e){var n=t[e.id];null!=n?o.push(n):o.push(null);}),null==i.gradient)throw new Error("Cannot compute gradient: gradient function not found for "+i.kernelName+".");var a=i.gradient(o),s=function s(e){if(!(e in a))throw new Error("Cannot backprop through input "+e+". Available gradients found: "+Object.keys(a)+".");var r=n(function(){return a[e]();});if("float32"!==r.dtype)throw new Error("Error in gradient for op "+i.kernelName+". The gradient of input "+e+" must have 'float32' dtype, but has '"+r.dtype+"'");var o=i.inputs[e];if(!N(r.shape,o.shape))throw new Error("Error in gradient for op "+i.kernelName+". The gradient of input '"+e+"' has shape '"+r.shape+"', which does not match the shape of the input '"+o.shape+"'");if(null==t[o.id])t[o.id]=r;else {var s=t[o.id];t[o.id]=s.add(r),s.dispose();}};for(var u in i.inputs){s(u);}},i=e.length-1;i>=0;i--){r(i);}}(s,a,function(t){return i.tidy(t);});var u=e.map(function(t){return s[t.id];});return 0===i.state.gradientDepth&&(i.state.activeTape.forEach(function(t){for(var e=0,n=t.saved;e<n.length;e++){n[e].dispose();}}),i.state.activeTape=null),{value:o,grads:u};});},t.prototype.customGrad=function(t){var e=this;return _(Z(t),function(){return "The f passed in customGrad(f) must be a function.";}),function(){for(var n,r=[],i=0;i<arguments.length;i++){r[i]=arguments[i];}_(r.every(function(t){return t instanceof At;}),function(){return "The args passed in customGrad(f)(x1, x2,...) must all be tensors";});var o={};return r.forEach(function(t,e){o[e]=t;}),e.runKernelFunc(function(e,i){return _((n=t.apply(void 0,r.concat([i]))).value instanceof At,function(){return "The function f passed in customGrad(f) must return an object where `obj.value` is a tensor";}),_(Z(n.gradFunc),function(){return "The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function.";}),n.value;},o,function(t,e){var i=n.gradFunc(t,e),o=Array.isArray(i)?i:[i];_(o.length===r.length,function(){return "The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns the same number of tensors as inputs passed to f(...).";}),_(o.every(function(t){return t instanceof At;}),function(){return "The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns a list of only tensors.";});var a={};return o.forEach(function(t,e){a[e]=function(){return t;};}),a;});};},t.prototype.readSync=function(t){return this.state.tensorInfo.get(t).backend.readSync(t);},t.prototype.read=function(t){return this.state.tensorInfo.get(t).backend.read(t);},t.prototype.time=function(t){return u(this,void 0,void 0,function(){var e,n;return c(this,function(r){switch(r.label){case 0:return e=at(),[4,this.backend.time(t)];case 1:return (n=r.sent()).wallMs=at()-e,[2,n];}});});},t.prototype.track=function(t){return null!=this.state.activeScope&&(t.scopeId=this.state.activeScope.id,this.state.activeScope.track.push(t)),t;},Object.defineProperty(t.prototype,"registeredVariables",{get:function get(){return this.state.registeredVariables;},enumerable:!0,configurable:!0}),t.prototype.reset=function(){for(var t in this.pendingBackendInitId++,this.state.dispose(),this.ENV.reset(),this.state=new zt(),this.registry){this.disposeRegisteredKernels(t),this.registry[t].dispose(),delete this.registry[t];}this.backendName=null,this.backendInstance=null,this.pendingBackendInit=null;},t.nextTensorId=0,t.nextVariableId=0,t;}(),Wt=function(){var e=function(){if(null==Pt){var e=void 0;if("undefined"!=typeof window)e=window;else if(void 0!==t)e=t;else if(void 0!==r)e=r;else {if("undefined"==typeof self)throw new Error("Could not find a global object");e=self;}Pt=e;}return Pt;}();if(null==e._tfengine){var n=new l(e);e._tfengine=new Ut(n);}return function(t){h=t;}(e._tfengine.ENV),kt=function kt(){return e._tfengine;},e._tfengine;}();function Vt(){return "undefined"!=typeof window&&null!=window.document||"undefined"!=typeof WorkerGlobalScope;}var qt=f();qt.registerFlag("DEBUG",function(){return !1;},function(t){t&&console.warn("Debugging mode is ON. 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n=e.shapeInfo.logicalShape;switch(n.length){case 0:return function(t){var e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1);if(t.shapeInfo.isUniform)return "float "+n+"() {return "+e+";}";var r=t.shapeInfo.texShape,i=r[0],o=r[1];if(1===i&&1===o)return "\n      float "+n+"() {\n        return sampleTexture("+e+", halfCR);\n      }\n    ";var a=t.shapeInfo.texShape,s=a[0],u=a[1],c=oa(e);return "\n    float "+n+"() {\n      vec2 uv = uvFromFlat("+s+", "+u+", "+c+");\n      return sampleTexture("+e+", uv);\n    }\n  ";}(e);case 1:return function(t){var e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1);if(t.shapeInfo.isUniform)return "\n      float "+n+"(int index) {\n        "+aa(t)+"\n      }\n    ";var r=t.shapeInfo.texShape,i=r[0],o=r[1];if(1===o&&1===i)return "\n      float "+n+"(int index) {\n        return sampleTexture("+e+", halfCR);\n      }\n    ";var a=oa(e);return 1===o?"\n      float "+n+"(int index) {\n        vec2 uv = vec2(0.5, (float(index + "+a+") + 0.5) / "+i+".0);\n        return sampleTexture("+e+", uv);\n      }\n    ":1===i?"\n      float "+n+"(int index) {\n        vec2 uv = vec2((float(index + "+a+") + 0.5) / "+o+".0, 0.5);\n        return sampleTexture("+e+", uv);\n      }\n    ":"\n    float "+n+"(int index) {\n      vec2 uv = uvFromFlat("+i+", "+o+", index + "+a+");\n      return sampleTexture("+e+", uv);\n    }\n  ";}(e);case 2:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,i="get"+r.charAt(0).toUpperCase()+r.slice(1),o=e.shapeInfo.texShape;if(null!=o&&N(n,o)){var a=o[0],s=o[1];return "\n    float "+i+"(int row, int col) {\n      vec2 uv = (vec2(col, row) + halfCR) / vec2("+s+".0, "+a+".0);\n      return sampleTexture("+r+", uv);\n    }\n  ";}var u=z(n),c=u.newShape,l=u.keptDims,f=c;if(f.length<n.length){var h=ua(e,f);return "\n      "+t(h)+"\n      float "+i+"(int row, int col) {\n        return "+i+"("+ca(["row","col"],l)+");\n      }\n    ";}if(e.shapeInfo.isUniform)return "\n      float "+i+"(int row, int col) {\n        int index = round(dot(vec2(row, col), vec2("+n[1]+", 1)));\n        "+aa(e)+"\n      }\n    ";var d=o[0],p=o[1],m=oa(r);return 1===p?"\n    float "+i+"(int row, int col) {\n      float index = dot(vec3(row, col, "+m+"), vec3("+n[1]+", 1, 1));\n      vec2 uv = vec2(0.5, (index + 0.5) / "+d+".0);\n      return sampleTexture("+r+", uv);\n    }\n  ":1===d?"\n    float "+i+"(int row, int col) {\n      float index = dot(vec3(row, col, "+m+"), vec3("+n[1]+", 1, 1));\n      vec2 uv = vec2((index + 0.5) / "+p+".0, 0.5);\n      return sampleTexture("+r+", uv);\n    }\n  ":"\n  float "+i+"(int row, int col) {\n    // Explicitly use integer operations as dot() only works on floats.\n    int index = row * "+n[1]+" + col + "+m+";\n    vec2 uv = uvFromFlat("+d+", "+p+", index);\n    return sampleTexture("+r+", uv);\n  }\n";}(e);case 3:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,i="get"+r.charAt(0).toUpperCase()+r.slice(1),o=n[1]*n[2],a=n[2],s=z(n),u=s.newShape,c=s.keptDims,l=u;if(l.length<n.length){var f=ua(e,l);return "\n        "+t(f)+"\n        float "+i+"(int row, int col, int depth) {\n          return "+i+"("+ca(["row","col","depth"],c)+");\n        }\n      ";}if(e.shapeInfo.isUniform)return "\n      float "+i+"(int row, int col, int depth) {\n        int index = round(dot(vec3(row, col, depth),\n                          vec3("+o+", "+a+", 1)));\n        "+aa(e)+"\n      }\n    ";var h=e.shapeInfo.texShape,d=h[0],p=h[1],m=e.shapeInfo.flatOffset;if(p===o&&null==m)return "\n        float "+i+"(int row, int col, int depth) {\n          float texR = float(row);\n          float texC = dot(vec2(col, depth), vec2("+a+", 1));\n          vec2 uv = (vec2(texC, texR) + halfCR) /\n                     vec2("+p+".0, "+d+".0);\n          return sampleTexture("+r+", uv);\n        }\n      ";if(p===a&&null==m)return "\n    float "+i+"(int row, int col, int depth) {\n      float texR = dot(vec2(row, col), vec2("+n[1]+", 1));\n      float texC = float(depth);\n      vec2 uv = (vec2(texC, texR) + halfCR) / vec2("+p+".0, "+d+".0);\n      return sampleTexture("+r+", uv);\n    }\n  ";var g=oa(r);return "\n      float "+i+"(int row, int col, int depth) {\n        // Explicitly use integer operations as dot() only works on floats.\n        int index = row * "+o+" + col * "+a+" + depth + "+g+";\n        vec2 uv = uvFromFlat("+d+", "+p+", index);\n        return sampleTexture("+r+", uv);\n      }\n  ";}(e);case 4:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,i="get"+r.charAt(0).toUpperCase()+r.slice(1),o=n[3],a=n[2]*o,s=n[1]*a,u=z(n),c=u.newShape,l=u.keptDims;if(c.length<n.length){var f=ua(e,c);return "\n      "+t(f)+"\n      float "+i+"(int row, int col, int depth, int depth2) {\n        return "+i+"("+ca(["row","col","depth","depth2"],l)+");\n      }\n    ";}if(e.shapeInfo.isUniform)return "\n      float "+i+"(int row, int col, int depth, int depth2) {\n        int index = round(dot(vec4(row, col, depth, depth2),\n                          vec4("+s+", "+a+", "+o+", 1)));\n        "+aa(e)+"\n      }\n    ";var h=e.shapeInfo.flatOffset,d=e.shapeInfo.texShape,p=d[0],m=d[1];if(m===s&&null==h)return "\n      float "+i+"(int row, int col, int depth, int depth2) {\n        float texR = float(row);\n        float texC =\n            dot(vec3(col, depth, depth2),\n                vec3("+a+", "+o+", 1));\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+m+".0, "+p+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";if(m===o&&null==h)return "\n      float "+i+"(int row, int col, int depth, int depth2) {\n        float texR = dot(vec3(row, col, depth),\n                         vec3("+n[1]*n[2]+", "+n[2]+", 1));\n        float texC = float(depth2);\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+m+".0, "+p+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";var g=oa(r);return "\n    float "+i+"(int row, int col, int depth, int depth2) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int index = row * "+s+" + col * "+a+" +\n          depth * "+o+" + depth2;\n      vec2 uv = uvFromFlat("+p+", "+m+", index + "+g+");\n      return sampleTexture("+r+", uv);\n    }\n  ";}(e);case 5:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,i="get"+r.charAt(0).toUpperCase()+r.slice(1),o=n[4],a=n[3]*o,s=n[2]*a,u=n[1]*s,c=z(n),l=c.newShape,f=c.keptDims;if(l.length<n.length){var h=ua(e,l);return "\n      "+t(h)+"\n      float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n        return "+i+"("+ca(["row","col","depth","depth2","depth3"],f)+");\n      }\n    ";}if(e.shapeInfo.isUniform)return "\n      float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n        float index = dot(\n          vec4(row, col, depth, depth2),\n          vec4("+u+", "+s+", "+a+", "+o+")) +\n          depth3;\n        "+aa(e)+"\n      }\n    ";var d=e.shapeInfo.flatOffset,p=e.shapeInfo.texShape,m=p[0],g=p[1];if(g===u&&null==d)return "\n      float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n        int texR = row;\n        float texC = dot(vec4(col, depth, depth2, depth3),\n                         vec4("+s+", "+a+", "+o+", 1));\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+g+".0, "+m+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";if(g===o&&null==d)return "\n      float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n        float texR = dot(\n          vec4(row, col, depth, depth2),\n          vec4("+n[1]*n[2]*n[3]+",\n               "+n[2]*n[3]+", "+n[3]+", 1));\n        int texC = depth3;\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+g+".0, "+m+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";var v=oa(r);return "\n    float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int index = row * "+u+" + col * "+s+" + depth * "+a+" +\n          depth2 * "+o+" + depth3 + "+v+";\n      vec2 uv = uvFromFlat("+m+", "+g+", index);\n      return sampleTexture("+r+", uv);\n    }\n  ";}(e);case 6:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,i="get"+r.charAt(0).toUpperCase()+r.slice(1),o=z(n),a=o.newShape,s=o.keptDims;if(a.length<n.length){var u=ua(e,a);return "\n      "+t(u)+"\n      float "+i+"(int row, int col, int depth,\n                    int depth2, int depth3, int depth4) {\n        return "+i+"("+ca(["row","col","depth","depth2","depth3","depth4"],s)+");\n      }\n    ";}var c=n[5],l=n[4]*c,f=n[3]*l,h=n[2]*f,d=n[1]*h;if(e.shapeInfo.isUniform)return "\n      float "+i+"(int row, int col, int depth,\n                  int depth2, int depth3, int depth4) {\n        int index = round(dot(\n          vec4(row, col, depth, depth2),\n          vec4("+d+", "+h+", "+f+", "+l+")) +\n          dot(\n            vec2(depth3, depth4),\n            vec2("+c+", 1)));\n        "+aa(e)+"\n      }\n    ";var p=e.shapeInfo.flatOffset,m=e.shapeInfo.texShape,g=m[0],v=m[1];if(v===d&&null==p)return "\n      float "+i+"(int row, int col, int depth,\n                    int depth2, int depth3, int depth4) {\n        int texR = row;\n        float texC = dot(vec4(col, depth, depth2, depth3),\n          vec4("+h+", "+f+", "+l+", "+c+")) +\n               float(depth4);\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+v+".0, "+g+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";if(v===c&&null==p)return "\n      float "+i+"(int row, int col, int depth,\n                    int depth2, int depth3, int depth4) {\n        float texR = dot(vec4(row, col, depth, depth2),\n          vec4("+n[1]*n[2]*n[3]*n[4]+",\n               "+n[2]*n[3]*n[4]+",\n               "+n[3]*n[4]+",\n               "+n[4]+")) + float(depth3);\n        int texC = depth4;\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+v+".0, "+g+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";var y=oa(r);return "\n    float "+i+"(int row, int col, int depth,\n                  int depth2, int depth3, int depth4) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int index = row * "+d+" + col * "+h+" + depth * "+f+" +\n          depth2 * "+l+" + depth3 * "+c+" + depth4 + "+y+";\n      vec2 uv = uvFromFlat("+g+", "+v+", index);\n      return sampleTexture("+r+", uv);\n    }\n  ";}(e);default:throw new Error(n.length+"-D input sampling is not yet supported");}}(t);var i=t.shapeInfo.logicalShape,o=e.logicalShape;return i.length<=o.length&&(r+=n?function(t,e){var n,r=t.name,i=r.charAt(0).toUpperCase()+r.slice(1),o="get"+i+"AtOutCoords",a=t.shapeInfo.logicalShape.length,s=e.logicalShape.length,u=Lr(t.shapeInfo.logicalShape,e.logicalShape),c=sa(s),l=s-a,f=["x","y","z","w","u","v"];n=0===a?"":s<2&&u.length>=1?"coords = 0;":u.map(function(t){return "coords."+f[t+l]+" = 0;";}).join("\n");var h;h=s<2&&a>0?"coords":t.shapeInfo.logicalShape.map(function(t,e){return "coords."+f[e+l];}).join(", ");var d="return outputValue;",p=1===T(t.shapeInfo.logicalShape),m=1===T(e.logicalShape);if(1!==a||p||m){if(p&&!m)d=1===s?"\n        return vec4(outputValue.x, outputValue.x, 0., 0.);\n      ":"\n        return vec4(outputValue.x);\n      ";else if(u.length){var g=a-2,v=a-1;u.indexOf(g)>-1&&u.indexOf(v)>-1?d="return vec4(outputValue.x);":u.indexOf(g)>-1?d="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":u.indexOf(v)>-1&&(d="return vec4(outputValue.xx, outputValue.zz);");}}else d="\n      return vec4(outputValue.xy, outputValue.xy);\n    ";return "\n    vec4 "+o+"() {\n      "+c+" coords = getOutputCoords();\n      "+n+"\n      vec4 outputValue = get"+i+"("+h+");\n      "+d+"\n    }\n  ";}(t,e):function(t,e){var n=t.name,r=n.charAt(0).toUpperCase()+n.slice(1),i="get"+r+"AtOutCoords",o=e.texShape,a=t.shapeInfo.texShape,s=t.shapeInfo.logicalShape.length,u=e.logicalShape.length;if(!t.shapeInfo.isUniform&&s===u&&null==t.shapeInfo.flatOffset&&N(a,o))return "\n      float "+i+"() {\n        return sampleTexture("+n+", resultUV);\n      }\n    ";var c=sa(u),l=Lr(t.shapeInfo.logicalShape,e.logicalShape),f=u-s,h=["x","y","z","w","u","v"];return "\n    float "+i+"() {\n      "+c+" coords = getOutputCoords();\n      "+(0===s?"":u<2&&l.length>=1?"coords = 0;":l.map(function(t){return "coords."+h[t+f]+" = 0;";}).join("\n"))+"\n      return get"+r+"("+(u<2&&s>0?"coords":t.shapeInfo.logicalShape.map(function(t,e){return "coords."+h[e+f];}).join(", "))+");\n    }\n  ";}(t,e)),r;}(t,e,r);}).join("\n"),c=e.texShape,l=Yo(),f="\n    float sampleTexture(sampler2D textureSampler, vec2 uv) {\n      return "+l.texture2D+"(textureSampler, uv).r;\n    }\n  ",h=function(t){return t.version+"\n    precision highp float;\n    precision highp int;\n    precision highp sampler2D;\n    "+t.varyingFs+" vec2 resultUV;\n    "+t.defineOutput+"\n    const vec2 halfCR = vec2(0.5, 0.5);\n\n    struct ivec5\n    {\n      int x;\n      int y;\n      int z;\n      int w;\n      int u;\n    };\n\n    struct ivec6\n    {\n      int x;\n      int y;\n      int z;\n      int w;\n      int u;\n      int v;\n    };\n\n    uniform float NAN;\n    "+t.defineSpecialNaN+"\n    "+t.defineSpecialInf+"\n    "+t.defineRound+"\n\n    int imod(int x, int y) {\n      return x - y * (x / y);\n    }\n\n    int idiv(int a, int b, float sign) {\n      int res = a / b;\n      int mod = imod(a, b);\n      if (sign < 0. && mod != 0) {\n        res -= 1;\n      }\n      return res;\n    }\n\n    //Based on the work of Dave Hoskins\n    //https://www.shadertoy.com/view/4djSRW\n    #define HASHSCALE1 443.8975\n    float random(float seed){\n      vec2 p = resultUV * seed;\n      vec3 p3  = fract(vec3(p.xyx) * HASHSCALE1);\n      p3 += dot(p3, p3.yzx + 19.19);\n      return fract((p3.x + p3.y) * p3.z);\n    }\n\n    "+ea+"\n    "+na+"\n    "+ra+"\n  ";}(l);return e.isPacked?(o=function(t,e){switch(t.length){case 0:return "\n    int getOutputCoords() {\n      return 0;\n    }\n  ";case 1:return function(t,e){var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];return 1===n[0]?"\n      int getOutputCoords() {\n        return 2 * int(resultUV.x * "+n[1]+".0);\n      }\n    ":1===n[1]?"\n      int getOutputCoords() {\n        return 2 * int(resultUV.y * "+n[0]+".0);\n      }\n    ":"\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+n[0]+", "+n[1]+"));\n      return 2 * (resTexRC.x * "+n[1]+" + resTexRC.y);\n    }\n  ";}(0,e);case 2:return function(t,e){var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];if(N(t,e))return "\n      ivec2 getOutputCoords() {\n        return 2 * ivec2(resultUV.yx * vec2("+n[0]+", "+n[1]+"));\n      }\n    ";var r=Math.ceil(t[1]/2);return "\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+n[0]+", "+n[1]+"));\n\n      int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n      int r = 2 * (index / "+r+");\n      int c = imod(index, "+r+") * 2;\n\n      return ivec2(r, c);\n    }\n  ";}(t,e);case 3:return n=t,r=e,i=[Math.ceil(r[0]/2),Math.ceil(r[1]/2)],a=(o=Math.ceil(n[2]/2))*Math.ceil(n[1]/2),"\n    ivec3 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+i[0]+", "+i[1]+"));\n      int index = resTexRC.x * "+i[1]+" + resTexRC.y;\n\n      int b = index / "+a+";\n      index -= b * "+a+";\n\n      int r = 2 * (index / "+o+");\n      int c = imod(index, "+o+") * 2;\n\n      return ivec3(b, r, c);\n    }\n  ";default:return function(t,e){for(var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)],r=Math.ceil(t[t.length-1]/2),i=r*Math.ceil(t[t.length-2]/2),o=i,a="",s="b, r, c",u=2;u<t.length-1;u++){a="\n      int b"+u+" = index / "+(o*=t[t.length-u-1])+";\n      index -= b"+u+" * "+o+";\n    "+a,s="b"+u+", "+s;}return "\n    ivec"+t.length+" getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+n[0]+", "+n[1]+"));\n      int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n\n      "+a+"\n\n      int b = index / "+i+";\n      index -= b * "+i+";\n\n      int r = 2 * (index / "+r+");\n      int c = imod(index, "+r+") * 2;\n\n      return ivec"+t.length+"("+s+");\n    }\n  ";}(t,e);}var n,r,i,o,a;}(e.logicalShape,c),a="\n    void setOutput(vec4 val) {\n      "+l.output+" = val;\n    }\n  "):(o=function(t,e){switch(t.length){case 0:return "\n    int getOutputCoords() {\n      return 0;\n    }\n  ";case 1:return function(t,e){return 1===e[0]?"\n      int getOutputCoords() {\n        return int(resultUV.x * "+e[1]+".0);\n      }\n    ":1===e[1]?"\n      int getOutputCoords() {\n        return int(resultUV.y * "+e[0]+".0);\n      }\n    ":"\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+e[0]+", "+e[1]+"));\n      return resTexRC.x * "+e[1]+" + resTexRC.y;\n    }\n  ";}(0,e);case 2:return function(t,e){return N(t,e)?"\n      ivec2 getOutputCoords() {\n        return ivec2(resultUV.yx * vec2("+e[0]+", "+e[1]+"));\n      }\n    ":1===t[1]?"\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2("+e[0]+", "+e[1]+"));\n        int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n        return ivec2(index, 0);\n      }\n    ":1===t[0]?"\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2("+e[0]+", "+e[1]+"));\n        int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n        return ivec2(0, index);\n      }\n    ":"\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+e[0]+", "+e[1]+"));\n      int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n      int r = index / "+t[1]+";\n      int c = index - r * "+t[1]+";\n      return ivec2(r, c);\n    }\n  ";}(t,e);case 3:return n=e,r=Jo(["r","c","d"],t),"\n    ivec3 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+n[0]+", "+n[1]+"));\n      int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n      "+r+"\n      return ivec3(r, c, d);\n    }\n  ";case 4:return function(t,e){var n=Jo(["r","c","d","d2"],t);return "\n    ivec4 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2("+e[0]+", "+e[1]+"));\n      int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n      "+n+"\n      return ivec4(r, c, d, d2);\n    }\n  ";}(t,e);case 5:return function(t,e){var n=Jo(["r","c","d","d2","d3"],t);return "\n    ivec5 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx * vec2("+e[0]+",\n                             "+e[1]+"));\n\n      int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n\n      "+n+"\n\n      ivec5 outShape = ivec5(r, c, d, d2, d3);\n      return outShape;\n    }\n  ";}(t,e);case 6:return function(t,e){var n=Jo(["r","c","d","d2","d3","d4"],t);return "\n    ivec6 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2("+e[0]+", "+e[1]+"));\n      int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n\n      "+n+"\n\n      ivec6 result = ivec6(r, c, d, d2, d3, d4);\n      return result;\n    }\n  ";}(t,e);default:throw new Error(t.length+"-D output sampling is not yet supported");}var n,r;}(e.logicalShape,c),a="\n    void setOutput(float val) {\n      "+l.output+" = vec4(val, 0, 0, 0);\n    }\n  "),r&&(h+=ia),[h,f,a,s,o,u,n].join("\n");}var ea="\nvec2 uvFromFlat(int texNumR, int texNumC, int index) {\n  int texR = index / texNumC;\n  int texC = index - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\nvec2 packedUVfrom1D(int texNumR, int texNumC, int index) {\n  int texelIndex = index / 2;\n  int texR = texelIndex / texNumC;\n  int texC = texelIndex - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",na="\nvec2 packedUVfrom2D(int texelsInLogicalRow, int texNumR,\n  int texNumC, int row, int col) {\n  int texelIndex = (row / 2) * texelsInLogicalRow + (col / 2);\n  int texR = texelIndex / texNumC;\n  int texC = texelIndex - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",ra="\nvec2 packedUVfrom3D(int texNumR, int texNumC,\n    int texelsInBatch, int texelsInLogicalRow, int b,\n    int row, int col) {\n  int index = b * texelsInBatch + (row / 2) * texelsInLogicalRow + (col / 2);\n  int texR = index / texNumC;\n  int texC = index - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",ia="\n  float getChannel(vec4 frag, vec2 innerDims) {\n    vec2 modCoord = mod(innerDims, 2.);\n    return modCoord.x == 0. ?\n      (modCoord.y == 0. ? frag.r : frag.g) :\n      (modCoord.y == 0. ? frag.b : frag.a);\n  }\n  float getChannel(vec4 frag, int dim) {\n    float modCoord = mod(float(dim), 2.);\n    return modCoord == 0. ? frag.r : frag.g;\n  }\n";function oa(t){return "offset"+t;}function aa(t){var e=t.name,n=T(t.shapeInfo.logicalShape);return n<2?"return "+e+";":"\n    for (int i = 0; i < "+n+"; i++) {\n      if (i == index) {\n        return "+e+"[i];\n      }\n    }\n  ";}function sa(t){if(t<=1)return "int";if(2===t)return "ivec2";if(3===t)return "ivec3";if(4===t)return "ivec4";if(5===t)return "ivec5";if(6===t)return "ivec6";throw Error("GPU for rank "+t+" is not yet supported");}function ua(t,e){var n=JSON.parse(JSON.stringify(t));return n.shapeInfo.logicalShape=e,n;}function ca(t,e){return e.map(function(e){return t[e];}).join(", ");}var la=function la(t,e,n){this.variableNames=["AReal","AImag","BReal","BImag"],this.outputShape=Ur(e,n),this.userCode="\n      float binaryOpComplex(\n          float areal, float aimag, float breal, float bimag) {\n        "+t+"\n      }\n\n      void main() {\n        float areal = getARealAtOutCoords();\n        float aimag = getAImagAtOutCoords();\n        float breal = getBRealAtOutCoords();\n        float bimag = getBImagAtOutCoords();\n        setOutput(binaryOpComplex(areal, aimag, breal, bimag));\n      }\n    ";},fa="return a + b;",ha="return a - b;",da="return a * b;",pa="return (a < 0.) ? b * a : a;",ma=function ma(t,e,n){this.variableNames=["A","B"],this.outputShape=Ur(e,n),this.userCode="\n      float binaryOperation(float a, float b) {\n        "+t+"\n      }\n\n      void main() {\n        float a = getAAtOutCoords();\n        float b = getBAtOutCoords();\n        setOutput(binaryOperation(a, b));\n      }\n    ";},ga="\n  vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));\n  return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);\n",va=function va(t,e,n,r){void 0===r&&(r=!1),this.variableNames=["A","B"],this.supportsBroadcasting=!0,this.packedInputs=!0,this.packedOutput=!0,this.outputShape=Ur(e,n);var i=this.outputShape.length,o="";if(r)if(0===i||1===T(this.outputShape))o="\n          result.y = 0.;\n          result.z = 0.;\n          result.w = 0.;\n        ";else if(o="\n          "+sa(i)+" coords = getOutputCoords();\n        ",1===i)o+="\n            result.y = (coords + 1) >= "+this.outputShape[0]+" ? 0. : result.y;\n            result.z = 0.;\n            result.w = 0.;\n          ";else {var a=Xo("coords",i);o+="\n            bool nextRowOutOfBounds =\n              ("+a[i-2]+" + 1) >= "+this.outputShape[i-2]+";\n            bool nextColOutOfBounds =\n              ("+a[i-1]+" + 1) >= "+this.outputShape[i-1]+";\n            result.y = nextColOutOfBounds ? 0. : result.y;\n            result.z = nextRowOutOfBounds ? 0. : result.z;\n            result.w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result.w;\n          ";}this.userCode="\n      vec4 binaryOperation(vec4 a, vec4 b) {\n        "+t+"\n      }\n\n      void main() {\n        vec4 a = getAAtOutCoords();\n        vec4 b = getBAtOutCoords();\n\n        vec4 result = binaryOperation(a, b);\n        "+o+"\n\n        setOutput(result);\n      }\n    ";},ya=function(){function t(t){this.variableNames=["A"],this.outputShape=t,this.userCode="\n      uniform float minVal;\n      uniform float maxVal;\n\n      void main() {\n        float value = getAAtOutCoords();\n        if (isnan(value)) {\n          setOutput(value);\n          return;\n        }\n\n        setOutput(clamp(value, minVal, maxVal));\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t,e){var n=this;return function(r,i){null==n.minLoc&&(n.minLoc=r.getUniformLocationNoThrow(i,"minVal"),n.maxLoc=r.getUniformLocationNoThrow(i,"maxVal")),r.gl.uniform1f(n.minLoc,t),r.gl.uniform1f(n.maxLoc,e);};},t;}(),ba=function(){function t(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.userCode="\n      uniform float minVal;\n      uniform float maxVal;\n\n      void main() {\n        vec4 value = getAAtOutCoords();\n\n        if (any(isnan(value))) {\n          setOutput(value);\n          return;\n        }\n\n        setOutput(clamp(value, vec4(minVal), vec4(maxVal)));\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t,e){var n=this;return function(r,i){null==n.minLoc&&(n.minLoc=r.getUniformLocationNoThrow(i,"minVal"),n.maxLoc=r.getUniformLocationNoThrow(i,"maxVal")),r.gl.uniform1f(n.minLoc,t),r.gl.uniform1f(n.maxLoc,e);};},t;}();function xa(t,e,n){var r=t.indexOf(e);return t.map(function(t,e){return e===r?t+" - "+n:t;}).join();}var wa=function wa(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.outputShape=t.outShape;var i=t.padInfo.top,o=t.padInfo.left,a=t.strideHeight,s=t.strideWidth,u=t.dilationHeight,c=t.dilationWidth,l=t.filterHeight,f=t.filterWidth,h=4*Math.floor(t.inChannels/4),d=t.inChannels%4,p="channelsLast"===t.dataFormat,m=p?1:2,g=p?2:3,v=p?3:1,y="",b="";n&&(y=r?"float activation(float a) {\n          float b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":"\n          float activation(float x) {\n            "+n+"\n          }\n        ",b="result = activation(result);");var x=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n      "+y+"\n\n      const ivec2 strides = ivec2("+a+", "+s+");\n      const ivec2 pads = ivec2("+i+", "+o+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d2 = coords["+v+"];\n\n        ivec2 xRCCorner =\n            ivec2(coords["+m+"], coords["+g+"]) * strides - pads;\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // Convolve x(?, ?, d1) with w(:, :, d1, d2) to get y(yR, yC, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+l+"; wR++) {\n          int xR = xRCorner + wR * "+u+";\n\n          if (xR < 0 || xR >= "+t.inHeight+") {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+f+"; wC++) {\n            int xC = xCCorner + wC * "+c+";\n\n            if (xC < 0 || xC >= "+t.inWidth+") {\n              continue;\n            }\n\n            for (int d1 = 0; d1 < "+h+"; d1 += 4) {\n              vec4 wValues = vec4(\n                getW(wR, wC, d1, d2),\n                getW(wR, wC, d1 + 1, d2),\n                getW(wR, wC, d1 + 2, d2),\n                getW(wR, wC, d1 + 3, d2)\n              );\n\n              if ("+p+") {\n                vec4 xValues = vec4(\n                  getX(batch, xR, xC, d1),\n                  getX(batch, xR, xC, d1 + 1),\n                  getX(batch, xR, xC, d1 + 2),\n                  getX(batch, xR, xC, d1 + 3)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec4 xValues = vec4(\n                  getX(batch, d1, xR, xC),\n                  getX(batch, d1 + 1, xR, xC),\n                  getX(batch, d1 + 2, xR, xC),\n                  getX(batch, d1 + 3, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n            }\n\n            if ("+(1===d)+") {\n\n              if ("+p+") {\n                dotProd +=\n                    getX(batch, xR, xC, "+h+") *\n                    getW(wR, wC, "+h+", d2);\n              } else {\n                dotProd +=\n                    getX(batch, "+h+", xR, xC) *\n                    getW(wR, wC, "+h+", d2);\n              }\n\n            } else if ("+(2===d)+") {\n              vec2 wValues = vec2(\n                getW(wR, wC, "+h+", d2),\n                getW(wR, wC, "+h+" + 1, d2)\n              );\n\n              if ("+p+") {\n                vec2 xValues = vec2(\n                  getX(batch, xR, xC, "+h+"),\n                  getX(batch, xR, xC, "+h+" + 1)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec2 xValues = vec2(\n                  getX(batch, "+h+", xR, xC),\n                  getX(batch, "+h+" + 1, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n\n            } else if ("+(3===d)+") {\n              vec3 wValues = vec3(\n                getW(wR, wC, "+h+", d2),\n                getW(wR, wC, "+h+" + 1, d2),\n                getW(wR, wC, "+h+" + 2, d2)\n              );\n\n              if ("+p+") {\n                vec3 xValues = vec3(\n                  getX(batch, xR, xC, "+h+"),\n                  getX(batch, xR, xC, "+h+" + 1),\n                  getX(batch, xR, xC, "+h+" + 2)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec3 xValues = vec3(\n                  getX(batch, "+h+", xR, xC),\n                  getX(batch, "+h+" + 1, xR, xC),\n                  getX(batch, "+h+" + 2, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n\n            }\n          }\n        }\n\n        float result = dotProd;\n        "+x+"\n        "+b+"\n        setOutput(result);\n      }\n    ";},ka=function ka(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.outputShape=t.outShape;var i=t.inHeight,o=t.inWidth,a=t.padInfo.top,s=t.padInfo.left,u=t.strideHeight,c=t.strideWidth,l=t.dilationHeight,f=t.dilationWidth,h=t.filterHeight,d=t.filterWidth,p=t.outChannels/t.inChannels,m="",g="";n&&(m=r?"float activation(float a) {\n          float b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":"\n          float activation(float x) {\n            "+n+"\n          }\n        ",g="result = activation(result);");var v=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n      "+m+"\n\n      const ivec2 strides = ivec2("+u+", "+c+");\n      const ivec2 pads = ivec2("+a+", "+s+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords.x;\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int d2 = coords.w;\n        int d1 = d2 / "+p+";\n        int q = d2 - d1 * "+p+";\n\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // Convolve x(?, ?, d1) with w(:, :, d1, q) to get y(yR, yC, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        // TO DO(dsmilkov): Flatten the two for loops and vec4 the operations.\n        for (int wR = 0; wR < "+h+"; wR++) {\n          int xR = xRCorner + wR * "+l+";\n\n          if (xR < 0 || xR >= "+i+") {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+d+"; wC++) {\n            int xC = xCCorner + wC * "+f+";\n\n            if (xC < 0 || xC >= "+o+") {\n              continue;\n            }\n\n            float xVal = getX(batch, xR, xC, d1);\n            float wVal = getW(wR, wC, d1, q);\n            dotProd += xVal * wVal;\n          }\n        }\n\n        float result = dotProd;\n        "+v+"\n        "+g+"\n        setOutput(result);\n      }\n    ";},Ea=function Ea(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.outShape;for(var i=t.inHeight,o=t.inWidth,a=t.padInfo.top,s=t.padInfo.left,u=t.strideHeight,c=t.strideWidth,l=t.dilationHeight,f=t.dilationWidth,h=t.filterHeight,d=t.filterWidth,p=d,m="int xR; int xC; int xCOffset;",g=0;g<h;g++){for(var v=0;v<d;v++){m+="\n          vec4 xTexelR"+g+"C"+2*v+" = vec4(0.);\n          vec4 wR"+g+"C"+v+" = vec4(0.);\n          vec4 xR"+g+"C"+v+" = vec4(0.);";}}for(g=0;g<h;g++){for(var y=0;y<p;y++){if(m+="\n          xR = xRCorner + "+g*l+";\n          xC = xCCorner + "+(v=2*y)*f+";\n        ",1===c){if(v<d&&(m+=s%2==1?"\n                xCOffset = xC + 1;\n                if(xR >= 0 && xR < "+i+" && xCOffset >= 0 && xCOffset < "+o+") {\n                  xTexelR"+g+"C"+v+" = getX(batch, xR, xCOffset, d1);\n\n                  // Need to manually clear unused channels in case\n                  // we're reading from recycled texture.\n                  if(xCOffset + 1 >= "+o+") {\n                    xTexelR"+g+"C"+v+".zw = vec2(0.);\n                  }\n                } else {\n                  xTexelR"+g+"C"+v+" = vec4(0.);\n                }\n\n                xCOffset = xC + 1 - 2;\n                if(xR >= 0 && xR < "+i+" && xCOffset >= 0 && xCOffset < "+o+") {\n                  vec4 previous = getX(batch, xR, xCOffset, d1);\n\n                  // Need to manually clear unused channels in case\n                  // we're reading from recycled texture.\n                  if(xCOffset + 1 >= "+o+") {\n                    previous.zw = vec2(0.);\n                  }\n\n                  xR"+g+"C"+v+" = vec4(previous.zw, xTexelR"+g+"C"+v+".xy);\n                } else {\n                  xR"+g+"C"+v+" = vec4(0, 0, xTexelR"+g+"C"+v+".xy);\n                }\n              ":"\n                if(xR >= 0 && xR < "+i+" && xC >= 0 && xC < "+o+") {\n                  xTexelR"+g+"C"+v+" = getX(batch, xR, xC, d1);\n                } else {\n                  xTexelR"+g+"C"+v+" = vec4(0.);\n                }\n\n                xR"+g+"C"+v+" = xTexelR"+g+"C"+v+";\n              ",v+1<d)){var b=s%2==0?A(f):f;f%2==0&&s%2==1||f%2!=0&&s%2!=1?(m+="\n                  xCOffset = xC + "+s%2+" + "+b+";\n\n                  if(xR >= 0 && xR < "+i+" &&\n                    xCOffset >= 0 && xCOffset < "+o+") {\n                    xTexelR"+g+"C"+(v+2)+" = getX(batch, xR, xCOffset, d1);\n                  }\n                ",f>1&&(m+="\n                    xCOffset -= 2;\n                    if(xR >= 0 && xR < "+i+" &&\n                      xCOffset >= 0 && xCOffset < "+o+") {\n                      xTexelR"+g+"C"+v+" = getX(batch, xR, xCOffset, d1);\n                    } else {\n                      xTexelR"+g+"C"+v+" = vec4(0.);\n                    }\n                  "),m+="\n                  xR"+g+"C"+(v+1)+" = vec4(\n                    xTexelR"+g+"C"+v+".zw, xTexelR"+g+"C"+(v+2)+".xy);\n                "):m+="\n                  xCOffset = xC + "+b+";\n\n                  if(xR >= 0 && xR < "+i+" &&\n                    xCOffset >= 0 && xCOffset < "+o+") {\n                    xTexelR"+g+"C"+(v+2)+" = getX(batch, xR, xCOffset, d1);\n                  }\n\n                  xR"+g+"C"+(v+1)+" = xTexelR"+g+"C"+(v+2)+";\n                ";}}else v<d&&(m+="\n              if(xR >= 0 && xR < "+i+") {\n            ",s%2==1?(m+="\n                xCOffset = xC + 1 - "+c+";\n                if(xCOffset >= 0 && xCOffset < "+o+") {\n                  xTexelR"+g+"C"+v+" = getX(batch, xR, xCOffset, d1);\n                } else {\n                  xTexelR"+g+"C"+v+" = vec4(0.);\n                }\n\n                if(xC + 1 >= 0 && xC + 1 < "+o+") {\n                  xTexelR"+g+"C"+(v+2)+" = getX(batch, xR, xC + 1, d1);\n                } else {\n                  xTexelR"+g+"C"+(v+2)+" = vec4(0.);\n                }\n\n                xR"+g+"C"+v+" = vec4(\n                  xTexelR"+g+"C"+v+".zw, xTexelR"+g+"C"+(v+2)+".zw);\n              ",v+1<d&&(m+="\n                  vec4 final = vec4(0.);\n                  xCOffset = xC + 1 + "+c+";\n                  if(xCOffset >= 0 && xCOffset < "+o+") {\n                    final = getX(batch, xR, xCOffset, d1);\n                  }\n                  xR"+g+"C"+(v+1)+" = vec4(xTexelR"+g+"C"+(v+2)+".xy, final.xy);\n                ")):(m+="\n                if(xC >= 0 && xC < "+o+") {\n                  xTexelR"+g+"C"+v+" = getX(batch, xR, xC, d1);\n                } else {\n                  xTexelR"+g+"C"+v+" = vec4(0.);\n                }\n\n                xCOffset = xC + "+c+";\n                if(xCOffset >= 0 && xCOffset < "+o+") {\n                  xTexelR"+g+"C"+(v+2)+" = getX(batch, xR, xCOffset, d1);\n                } else {\n                  xTexelR"+g+"C"+(v+2)+" = vec4(0.);\n                }\n\n                xR"+g+"C"+v+" = vec4(\n                  xTexelR"+g+"C"+v+".xy, xTexelR"+g+"C"+(v+2)+".xy);\n              ",v+1<d&&(m+="\n                  xR"+g+"C"+(v+1)+" = vec4(\n                    xTexelR"+g+"C"+v+".zw, xTexelR"+g+"C"+(v+2)+".zw);\n                ")),m+="}");v<d&&(m+="\n            vec4 wTexelR"+g+"C"+v+" = getW("+g+", "+v+", d1, q);\n            wR"+g+"C"+v+" = vec4(wTexelR"+g+"C"+v+".xz, wTexelR"+g+"C"+v+".xz);\n          ",v+1<d&&(m+="\n              vec4 wTexelR"+g+"C"+(v+1)+" = getW("+g+", "+(v+1)+", d1, q);\n              wR"+g+"C"+(v+1)+" =\n                vec4(wTexelR"+g+"C"+(v+1)+".xz, wTexelR"+g+"C"+(v+1)+".xz);"));}}for(g=0;g<h;g++){for(v=0;v<d;v++){m+="dotProd += xR"+g+"C"+v+" * wR"+g+"C"+v+";";}}var x="",w="";n&&(x=r?"vec4 activation(vec4 a) {\n          vec4 b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":"vec4 activation(vec4 x) {\n          "+n+"\n        }",w="result = activation(result);");var k=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n      "+x+"\n\n      const ivec2 strides = ivec2("+u+", "+c+");\n      const ivec2 pads = ivec2("+a+", "+s+");\n\n      void main() {\n\n        ivec4 coords = getOutputCoords();\n        int batch = coords.x;\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int d2 = coords.w;\n        int d1 = d2;\n        int q = 0;\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        vec4 dotProd = vec4(0.);\n\n        "+m+"\n\n        vec4 result = dotProd;\n        "+k+"\n        "+w+"\n        setOutput(result);\n      }\n    ";};function Ca(t,e){if(1===t)return ""+e;if(2===t)return e+".y";if(3===t)return e+".z";if(4===t)return e+".w";throw Error("Cumulative sum for rank "+t+" is not yet supported");}var Aa=function(){function t(t,e,n){this.variableNames=["x"],this.outputShape=[],this.outputShape=t,this.blockSize=e,this.dataFormat=n,this.userCode="\n    void main() {\n      ivec4 coords = getOutputCoords();\n      int b = coords[0];\n      int h = "+this.getHeightCoordString()+";\n      int w = "+this.getWidthCoordString()+";\n      int d = "+this.getDepthCoordString()+";\n\n      int in_h = h / "+e+";\n      int offset_h = imod(h, "+e+");\n      int in_w = w / "+e+";\n      int offset_w = imod(w, "+e+");\n      int offset_d = (offset_h * "+e+" + offset_w) *\n        "+this.getOutputDepthSize()+";\n      int in_d = d + offset_d;\n\n      float result = "+this.getInputSamplingString()+";\n      setOutput(result);\n    }\n  ";}return t.prototype.getHeightCoordString=function(){return "NHWC"===this.dataFormat?"coords[1]":"coords[2]";},t.prototype.getWidthCoordString=function(){return "NHWC"===this.dataFormat?"coords[2]":"coords[3]";},t.prototype.getDepthCoordString=function(){return "NHWC"===this.dataFormat?"coords[3]":"coords[1]";},t.prototype.getOutputDepthSize=function(){return "NHWC"===this.dataFormat?this.outputShape[3]:this.outputShape[1];},t.prototype.getInputSamplingString=function(){return "NHWC"===this.dataFormat?"getX(b, in_h, in_w, in_d)":"getX(b, in_d, in_h, in_w)";},t;}(),Oa=function Oa(t,e,n){this.variableNames=["real","imag"];var r=e[1];this.outputShape=e;var i=n?"2.0 * "+Math.PI:"-2.0 * "+Math.PI,o=n?r+".0":"1.0";this.userCode="\n      const float exponentMultiplier = "+i+";\n\n      float unaryOpComplex(float real, float expR, float imag, float expI) {\n        "+t+"\n      }\n\n      float mulMatDFT(int batch, int index) {\n        float indexRatio = float(index) / float("+r+");\n        float exponentMultiplierTimesIndexRatio =\n            exponentMultiplier * indexRatio;\n\n        float result = 0.0;\n\n        for (int i = 0; i < "+r+"; i++) {\n          // x = (-2|2 * PI / N) * index * i;\n          float x = exponentMultiplierTimesIndexRatio * float(i);\n          float expR = cos(x);\n          float expI = sin(x);\n          float real = getReal(batch, i);\n          float imag = getImag(batch, i);\n\n          result +=\n              unaryOpComplex(real, expR, imag, expI) / "+o+";\n  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t.texImage2D(t.TEXTURE_2D,0,t.RGBA,r.width,r.height,0,t.RGBA,t.UNSIGNED_BYTE,r.data);}):ne(t,e,function(){return t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r);}),ne(t,e,function(){return t.bindTexture(t.TEXTURE_2D,null);});}function za(t,e,n,r,i){var o=t.createBuffer();ne(t,e,function(){return t.bindBuffer(t.PIXEL_PACK_BUFFER,o);});var a=16*n*r;return ne(t,e,function(){return t.bufferData(t.PIXEL_PACK_BUFFER,a,t.STREAM_READ);}),ne(t,e,function(){return t.readPixels(0,0,r,n,t.RGBA,t.FLOAT,0);}),ne(t,e,function(){return t.bindBuffer(t.PIXEL_PACK_BUFFER,null);}),o;}function Ua(t,e,n){var r=t,i=new Float32Array(n);return r.bindBuffer(r.PIXEL_PACK_BUFFER,e),r.getBufferSubData(r.PIXEL_PACK_BUFFER,0,i),r.bindBuffer(r.PIXEL_PACK_BUFFER,null),i;}function Wa(t,e,n,r,i){var o=Qt(n,r),a=o[0],s=o[1],u=new Uint8Array(n*r*4);return ne(t,e,function(){return t.readPixels(0,0,a,s,i.downloadTextureFormat,t.UNSIGNED_BYTE,u);}),new Float32Array(u.buffer);}function Va(t,e,n,r,i,o,a,s){var u=t,c=new Float32Array(function(t,e){var n=te(o,a);return n[0]*n[1]*4;}());return u.bindBuffer(u.PIXEL_PACK_BUFFER,e),u.getBufferSubData(u.PIXEL_PACK_BUFFER,0,c),u.bindBuffer(u.PIXEL_PACK_BUFFER,null),c;}function qa(t,e,n,r){var i=new Float32Array(n*r*4);return ne(t,e,function(){return t.readPixels(0,0,r,n,t.RGBA,t.FLOAT,i);}),i;}var $a=Object.freeze({createVertexShader:Sa,createVertexBuffer:Da,createIndexBuffer:Fa,createFloat32MatrixTexture:Na,createFloat16MatrixTexture:Ia,createUnsignedBytesMatrixTexture:Ra,createPackedMatrixTexture:Ma,createFloat16PackedMatrixTexture:ja,bindVertexProgramAttributeStreams:Ba,uploadDenseMatrixToTexture:Pa,uploadPixelDataToTexture:La,createBufferFromOutputTexture:za,downloadFloat32MatrixFromBuffer:Ua,downloadByteEncodedFloatMatrixFromOutputTexture:Wa,downloadPackedMatrixFromBuffer:Va,downloadMatrixFromPackedOutputTexture:qa}),Ha=function(){function t(t){this.outputTexture=null,this.program=null,this.disposed=!1,this.vertexAttrsAreBound=!1,this.itemsToPoll=[];var e=f().getNumber("WEBGL_VERSION");null!=t?(this.gl=t,Yt(e,t)):this.gl=Jt(e);var n="WEBGL_color_buffer_float";if(1===f().getNumber("WEBGL_VERSION")){if(this.textureFloatExtension=se(this.gl,this.debug,"OES_texture_float"),Ue(this.gl,"OES_texture_half_float"))this.textureHalfFloatExtension=se(this.gl,this.debug,"OES_texture_half_float");else if(f().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support half float textures, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.");if(this.colorBufferFloatExtension=this.gl.getExtension(n),Ue(this.gl,"EXT_color_buffer_half_float"))this.colorBufferHalfFloatExtension=se(this.gl,this.debug,"EXT_color_buffer_half_float");else if(f().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support color renderable half floats, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to 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this.throwIfDisposed(),Ra(this.gl,this.debug,t,e,this.textureConfig);},t.prototype.uploadPixelDataToTexture=function(t,e){this.throwIfDisposed(),La(this.gl,this.debug,t,e);},t.prototype.uploadDenseMatrixToTexture=function(t,e,n,r){this.throwIfDisposed(),Pa(this.gl,this.debug,t,e,n,r,this.textureConfig);},t.prototype.createFloat16PackedMatrixTexture=function(t,e){return this.throwIfDisposed(),ja(this.gl,this.debug,t,e,this.textureConfig);},t.prototype.createPackedMatrixTexture=function(t,e){return this.throwIfDisposed(),Ma(this.gl,this.debug,t,e,this.textureConfig);},t.prototype.deleteMatrixTexture=function(t){var e=this;this.throwIfDisposed(),this.outputTexture===t&&(_e(this.gl,this.debug,this.framebuffer),this.outputTexture=null),ne(this.gl,this.debug,function(){return e.gl.deleteTexture(t);});},t.prototype.downloadByteEncodedFloatMatrixFromOutputTexture=function(t,e,n){var r=this;return this.downloadMatrixDriver(t,function(){return Wa(r.gl,r.debug,e,n,r.textureConfig);});},t.prototype.downloadPackedMatrixFromBuffer=function(t,e,n,r,i,o){return Va(this.gl,t,0,0,0,i,o,this.textureConfig);},t.prototype.downloadFloat32MatrixFromBuffer=function(t,e){return Ua(this.gl,t,e);},t.prototype.createBufferFromTexture=function(t,e,n){this.bindTextureToFrameBuffer(t);var r=za(this.gl,this.debug,e,n,this.textureConfig);return this.unbindTextureToFrameBuffer(),r;},t.prototype.createAndWaitForFence=function(){var t=this.createFence(this.gl);return this.pollFence(t);},t.prototype.createFence=function(t){var e,n,r=this;if(f().getBool("WEBGL_FENCE_API_ENABLED")){var i=t,o=i.fenceSync(i.SYNC_GPU_COMMANDS_COMPLETE,0);t.flush(),n=function n(){var t=i.clientWaitSync(o,0,0);return t===i.ALREADY_SIGNALED||t===i.CONDITION_SATISFIED;},e=o;}else f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")>0?(e=this.beginQuery(),this.endQuery(),n=function n(){return r.isQueryAvailable(e,f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"));}):n=function n(){return !0;};return {query:e,isFencePassed:n};},t.prototype.downloadMatrixFromPackedTexture=function(t,e,n){var r=this;return this.downloadMatrixDriver(t,function(){return qa(r.gl,r.debug,e,n);});},t.prototype.createProgram=function(t){this.throwIfDisposed();var e=this.gl,n=ce(e,this.debug,t),r=Sa(e,this.debug),i=de(e,this.debug);return ne(e,this.debug,function(){return e.attachShader(i,r);}),ne(e,this.debug,function(){return e.attachShader(i,n);}),pe(e,this.debug,i),this.debug&&me(e,this.debug,i),this.vertexAttrsAreBound||(this.setProgram(i),this.vertexAttrsAreBound=Ba(e,this.debug,this.program,this.vertexBuffer)),i;},t.prototype.deleteProgram=function(t){var e=this;this.throwIfDisposed(),t===this.program&&(this.program=null),null!=t&&ne(this.gl,this.debug,function(){return e.gl.deleteProgram(t);});},t.prototype.setProgram=function(t){var e=this;this.throwIfDisposed(),this.program=t,null!=this.program&&this.debug&&me(this.gl,this.debug,this.program),ne(this.gl,this.debug,function(){return e.gl.useProgram(t);});},t.prototype.getUniformLocation=function(t,e,n){return void 0===n&&(n=!0),this.throwIfDisposed(),n?Ee(this.gl,this.debug,t,e):Ce(this.gl,t,e);},t.prototype.getAttributeLocation=function(t,e){var n=this;return this.throwIfDisposed(),ne(this.gl,this.debug,function(){return n.gl.getAttribLocation(t,e);});},t.prototype.getUniformLocationNoThrow=function(t,e){return this.throwIfDisposed(),this.gl.getUniformLocation(t,e);},t.prototype.setInputMatrixTexture=function(t,e,n){this.throwIfDisposed(),this.throwIfNoProgram(),Ae(this.gl,this.debug,this.program,t,e,n);},t.prototype.setOutputMatrixTexture=function(t,e,n){this.setOutputMatrixTextureDriver(t,n,e);},t.prototype.setOutputPackedMatrixTexture=function(t,e,n){this.throwIfDisposed();var r=te(e,n),i=r[0],o=r[1];this.setOutputMatrixTextureDriver(t,i,o);},t.prototype.setOutputMatrixWriteRegion=function(t,e,n,r){this.setOutputMatrixWriteRegionDriver(n,t,r,e);},t.prototype.setOutputPackedMatrixWriteRegion=function(t,e,n,r){throw new Error("setOutputPackedMatrixWriteRegion not implemented.");},t.prototype.debugValidate=function(){null!=this.program&&me(this.gl,this.debug,this.program),Se(this.gl);},t.prototype.executeProgram=function(){this.throwIfDisposed(),this.throwIfNoProgram();var t=this.gl;this.debug&&this.debugValidate(),ne(t,this.debug,function(){return t.drawElements(t.TRIANGLES,6,t.UNSIGNED_SHORT,0);});},t.prototype.blockUntilAllProgramsCompleted=function(){var t=this;this.throwIfDisposed(),ne(this.gl,this.debug,function(){return t.gl.finish();});},t.prototype.getQueryTimerExtension=function(){return null==this.disjointQueryTimerExtension&&(this.disjointQueryTimerExtension=se(this.gl,this.debug,2===f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")?"EXT_disjoint_timer_query_webgl2":"EXT_disjoint_timer_query")),this.disjointQueryTimerExtension;},t.prototype.getQueryTimerExtensionWebGL2=function(){return this.getQueryTimerExtension();},t.prototype.getQueryTimerExtensionWebGL1=function(){return this.getQueryTimerExtension();},t.prototype.beginQuery=function(){if(2===f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")){var t=this.gl,e=this.getQueryTimerExtensionWebGL2(),n=t.createQuery();return t.beginQuery(e.TIME_ELAPSED_EXT,n),n;}var r=this.getQueryTimerExtensionWebGL1(),i=r.createQueryEXT();return r.beginQueryEXT(r.TIME_ELAPSED_EXT,i),i;},t.prototype.endQuery=function(){if(2!==f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")){var t=this.getQueryTimerExtensionWebGL1();t.endQueryEXT(t.TIME_ELAPSED_EXT);}else {var e=this.gl,n=this.getQueryTimerExtensionWebGL2();e.endQuery(n.TIME_ELAPSED_EXT);}},t.prototype.waitForQueryAndGetTime=function(t){return u(this,void 0,void 0,function(){var e=this;return c(this,function(n){switch(n.label){case 0:return [4,B(function(){return e.disposed||e.isQueryAvailable(t,f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"));})];case 1:return n.sent(),[2,this.getQueryTime(t,f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))];}});});},t.prototype.getQueryTime=function(t,e){if(0===e)return null;if(2===e){var n=this.gl;return n.getQueryParameter(t,n.QUERY_RESULT)/1e6;}var r=this.getQueryTimerExtensionWebGL1();return r.getQueryObjectEXT(t,r.QUERY_RESULT_EXT)/1e6;},t.prototype.isQueryAvailable=function(t,e){if(0===e)return !0;if(2===e){var n=this.gl,r=this.getQueryTimerExtensionWebGL2(),i=n.getQueryParameter(t,n.QUERY_RESULT_AVAILABLE);return null==this.disjoint&&(this.disjoint=this.gl.getParameter(r.GPU_DISJOINT_EXT)),i&&!this.disjoint;}return i=(r=this.getQueryTimerExtensionWebGL1()).getQueryObjectEXT(t,r.QUERY_RESULT_AVAILABLE_EXT),null==this.disjoint&&(this.disjoint=this.gl.getParameter(r.GPU_DISJOINT_EXT)),i&&!this.disjoint;},t.prototype.pollFence=function(t){var e=this;return new Promise(function(n){e.addItemToPoll(function(){return t.isFencePassed();},function(){return n();});});},t.prototype.pollItems=function(){for(var t=function(t){for(var e=0;e<t.length&&t[e]();++e){}return e-1;}(this.itemsToPoll.map(function(t){return t.isDoneFn;})),e=0;e<=t;++e){(0, this.itemsToPoll[e].resolveFn)();}this.itemsToPoll=this.itemsToPoll.slice(t+1);},t.prototype.addItemToPoll=function(t,e){var n=this;this.itemsToPoll.push({isDoneFn:t,resolveFn:e}),this.itemsToPoll.length>1||B(function(){return n.pollItems(),0===n.itemsToPoll.length;});},t.prototype.bindTextureToFrameBuffer=function(t){this.throwIfDisposed(),Oe(this.gl,this.debug,t,this.framebuffer),this.debug&&Se(this.gl);},t.prototype.unbindTextureToFrameBuffer=function(){null!=this.outputTexture?(Oe(this.gl,this.debug,this.outputTexture,this.framebuffer),this.debug&&Se(this.gl)):_e(this.gl,this.debug,this.framebuffer);},t.prototype.downloadMatrixDriver=function(t,e){this.bindTextureToFrameBuffer(t);var n=e();return this.unbindTextureToFrameBuffer(),n;},t.prototype.setOutputMatrixTextureDriver=function(t,e,n){this.throwIfDisposed();var r=this.gl;Oe(r,this.debug,t,this.framebuffer),this.debug&&Se(r),this.outputTexture=t,ne(r,this.debug,function(){return r.viewport(0,0,e,n);}),ne(r,this.debug,function(){return r.scissor(0,0,e,n);});},t.prototype.setOutputMatrixWriteRegionDriver=function(t,e,n,r){var i=this;this.throwIfDisposed(),ne(this.gl,this.debug,function(){return i.gl.scissor(t,e,n,r);});},t.prototype.throwIfDisposed=function(){if(this.disposed)throw new Error("Attempted to use disposed GPGPUContext.");},t.prototype.throwIfNoProgram=function(){if(null==this.program)throw new Error("No GPU program is currently set.");},t;}();function Ga(t,e){if(t.length!==e.length)throw Error("Binary was compiled with "+t.length+" inputs, but was executed with "+e.length+" inputs");t.forEach(function(t,n){var r=t.logicalShape,i=e[n],o=i.shape;if(!N(r,o))throw Error("Binary was compiled with different shapes than the current args. Shapes "+r+" and "+o+" must match");if(!t.isUniform||!i.isUniform){var a=t.texShape,s=i.isUniform?null:i.texData.texShape;if(!N(a,s))throw Error("Binary was compiled with different texture shapes than the current args. Shape "+a+" and "+s+" must match");}});}var Ka=function Ka(t,e,n,r,i,o,a){void 0===n&&(n=!1),void 0===r&&(r=!1),void 0===i&&(i=!1),void 0===o&&(o=null),void 0===a&&(a=!1),this.variableNames=["matrixA","matrixB"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e;var s=n?t[1]:t[2],u=Math.ceil(s/2),c=n?"i * 2, rc.y":"rc.y, i * 2",l=r?"rc.z, i * 2":"i * 2, rc.z",f=n?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],h=r?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],d="",p="";o&&(d=a?"vec4 activation(vec4 a) {\n          vec4 b = getPreluActivationWeightsAtOutCoords();\n          "+o+"\n        }":"vec4 activation(vec4 x) {\n          "+o+"\n        }",p="result = activation(result);");var m=i?"result += getBiasAtOutCoords();":"";i&&this.variableNames.push("bias"),a&&this.variableNames.push("preluActivationWeights"),this.userCode="\n      "+d+"\n\n      const float sharedDimension = "+u+".0;\n\n      vec4 dot2x2ARowBCol(ivec3 rc) {\n        vec4 result = vec4(0);\n        for (int i = 0; i < "+u+"; i++) {\n          vec4 a = getMatrixA(rc.x, "+c+");\n          vec4 b = getMatrixB(rc.x, "+l+");\n\n          // These swizzled products need to be separately added.\n          // See: https://github.com/tensorflow/tfjs/issues/1735\n          result += ("+f[0]+" * "+h[0]+");\n          result += ("+f[1]+" * "+h[1]+");\n        }\n        return result;\n      }\n\n      void main() {\n        ivec3 rc = getOutputCoords();\n        vec4 result = dot2x2ARowBCol(rc);\n\n        "+m+"\n\n        "+p+"\n\n        setOutput(result);\n      }\n    ";},Xa=function(){function t(t,e,n){this.variableNames=["probs"],this.outputShape=[t,n],this.userCode="\n      uniform float seed;\n\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n\n        float r = random(seed);\n        float cdf = 0.0;\n\n        for (int i = 0; i < "+(e-1)+"; i++) {\n          cdf += getProbs(batch, i);\n\n          if (r < cdf) {\n            setOutput(float(i));\n            return;\n          }\n        }\n\n        // If no other event happened, last event happened.\n        setOutput(float("+(e-1)+"));\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t){var e=this;return function(n,r){null==e.seedLoc&&(e.seedLoc=n.getUniformLocation(r,"seed")),n.gl.uniform1f(e.seedLoc,t);};},t;}(),Ya=function Ya(t,e,n,r,i){if(void 0===r&&(r=!1),void 0===i&&(i=!1),this.variableNames=["x"],"avg"===e&&n)throw new Error("Cannot compute positions for average pool.");var o=t.filterWidth,a=t.strideHeight,s=t.strideWidth,u=t.dilationHeight,c=t.dilationWidth,l=t.effectiveFilterHeight,f=t.effectiveFilterWidth,h=t.padInfo.top,d=t.padInfo.left;this.outputShape=t.outShape;var p="avg"===e,m="((batch  * "+t.inHeight+" + xR) * "+t.inWidth+" + xC) * "+t.inChannels+" + d",g="(xR * "+t.inWidth+" + xC) * "+t.inChannels+" + d",v="0.0";if(p||(v="-1.0 / 1e-20"),n)this.userCode="\n        const ivec2 strides = ivec2("+a+", "+s+");\n        const ivec2 pads = ivec2("+h+", "+d+");\n\n        void main() {\n          ivec4 coords = getOutputCoords();\n          int batch = coords[0];\n          int d = coords[3];\n\n          ivec2 xRCCorner = coords.yz * strides - pads;\n          int xRCorner = xRCCorner.x;\n          int xCCorner = xRCCorner.y;\n\n          // max/min x(?, ?, d) to get y(yR, yC, d).\n          // ? = to be determined\n          float minMaxValue = 0.0;\n          float minMaxValueFound = 0.0;\n          int minMaxPosition = 0;\n          float avgValue = 0.0;\n\n          for (int wR = 0; wR < "+l+";\n              wR += "+u+") {\n            int xR = xRCorner + wR;\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+f+";\n                wC += "+c+") {\n              int xC = xCCorner + wC;\n\n              if (xC < 0 || xC >= "+t.inWidth+") {\n                continue;\n              }\n\n              float value = getX(batch, xR, xC, d);\n\n              // If a min / max value has already been found, use it. If not,\n              // use the current value.\n              float currMinMaxValue = mix(\n                  value, minMaxValue, minMaxValueFound);\n              if (value >= currMinMaxValue) {\n                minMaxValue = value;\n                minMaxValueFound = 1.0;\n                minMaxPosition = "+(r?i?m:g:"wR * "+f+" + wC")+";\n              }\n            }\n          }\n          setOutput(float(minMaxPosition));\n        }\n      ";else {var y=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"avg"===e&&(y="avgValue / count");var b=4*Math.floor(o/4),x=o%4,w="\n      if ("+p+") {\n        avgValue += dot(values, ones);\n      } else {\n        minMaxValue = max(values, minMaxValue);\n      }\n    ";this.userCode="\n      const ivec2 strides = ivec2("+a+", "+s+");\n      const ivec2 pads = ivec2("+h+", "+d+");\n      const float initializationValue = "+v+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float count = 0.0;\n\n      float getValue(int batch, int xR, int xC, int d) {\n        if (xC < 0 || xC >= "+t.inWidth+") {\n          return initializationValue;\n        }\n        count += 1.0;\n        return getX(batch, xR, xC, d);\n      }\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d = coords[3];\n\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // max/min x(?, ?, d) to get y(yR, yC, d).\n        // ? = to be determined\n        vec4 minMaxValue = vec4("+v+");\n        float avgValue = 0.0;\n        count = 0.0;\n\n        for (int wR = 0; wR < "+l+";\n            wR += "+u+") {\n          int xR = xRCorner + wR;\n\n          if (xR < 0 || xR >= "+t.inHeight+") {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+b+"; wC += 4) {\n            int xC = xCCorner + wC * "+c+";\n\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+c+", d),\n              getValue(batch, xR, xC + 2 * "+c+", d),\n              getValue(batch, xR, xC + 3 * "+c+", d)\n            );\n\n            "+w+"\n          }\n\n          int xC = xCCorner + "+b+";\n          if ("+(1===x)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              initializationValue,\n              initializationValue,\n              initializationValue\n            );\n\n            "+w+"\n          } else if ("+(2===x)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+c+", d),\n              initializationValue,\n              initializationValue\n            );\n\n            "+w+"\n          } else if ("+(3===x)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+c+", d),\n              getValue(batch, xR, xC + 2 * "+c+", d),\n              initializationValue\n            );\n\n            "+w+"\n          }\n        }\n        setOutput("+y+");\n      }\n    ";}},Ja=function Ja(t,e,n,r,i){if(void 0===r&&(r=!1),void 0===i&&(i=!1),this.variableNames=["x"],"avg"===e&&n)throw new Error("Cannot compute positions for average pool.");var o=t.filterWidth,a=t.strideDepth,s=t.strideHeight,u=t.strideWidth,c=t.dilationDepth,l=t.dilationHeight,f=t.dilationWidth,h=t.effectiveFilterDepth,d=t.effectiveFilterHeight,p=t.effectiveFilterWidth,m=t.padInfo.front,g=t.padInfo.top,v=t.padInfo.left;this.outputShape=t.outShape;var y="avg"===e,b="0.0";if(y||(b="-1.0 / 1e-20"),n)this.userCode="\n        const ivec3 strides =\n            ivec3("+a+", "+s+", "+u+");\n        const ivec3 pads = ivec3("+m+", "+g+", "+v+");\n\n        void main() {\n          ivec5 coords = getOutputCoords();\n          int batch = coords.x;\n          int ch = coords.u;\n\n          ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n          int xDCorner = xCorner.x;\n          int xRCorner = xCorner.y;\n          int xCCorner = xCorner.z;\n\n          // max/min x(?, ?, ?, ch) to get y(yD, yR, yC, ch).\n          // ? = to be determined\n          float minMaxValue = 0.0;\n          float minMaxValueFound = 0.0;\n          int minMaxPosition = 0;\n\n          for (int wD = 0; wD < "+h+";\n              wD += "+c+") {\n            int xD = xDCorner + wD;\n\n            if (xD < 0 || xD >= "+t.inDepth+") {\n              continue;\n            }\n\n            for (int wR = 0; wR < "+d+";\n                wR += "+l+") {\n              int xR = xRCorner + wR;\n\n              if (xR < 0 || xR >= "+t.inHeight+") {\n                continue;\n              }\n\n              for (int wC = 0; wC < "+p+";\n                  wC += "+f+") {\n                int xC = xCCorner + wC;\n\n                if (xC < 0 || xC >= "+t.inWidth+") {\n                  continue;\n                }\n\n                float value = getX(batch, xD, xR, xC, ch);\n\n                // If a min / max value has already been found, use it. If not,\n                // use the current value.\n                float currMinMaxValue = mix(\n                    value, minMaxValue, minMaxValueFound);\n                if (value >= currMinMaxValue) {\n                  minMaxValue = value;\n                  minMaxValueFound = 1.0;\n                  minMaxPosition = "+(r?i?"(((batch * "+t.inDepth+" + xD) * "+t.inHeight+" + xR) * "+t.inWidth+" + xC) * "+t.inChannels+" + ch":"((xD * "+t.inHeight+" + xR) * "+t.inWidth+" + xC) * "+t.inChannels+" + ch":"wD * "+d+" * "+p+" +\n                      wR * "+p+" + wC")+";\n                }\n              }\n            }\n          }\n          setOutput(float(minMaxPosition));\n        }\n      ";else {var x=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"avg"===e&&(x="avgValue / count");var w=4*Math.floor(o/4),k=o%4,E="\n      if ("+y+") {\n        avgValue += dot(values, ones);\n      } else {\n        minMaxValue = max(values, minMaxValue);\n      }\n    ";this.userCode="\n      const ivec3 strides =\n        ivec3("+a+", "+s+", "+u+");\n      const ivec3 pads = ivec3("+m+", "+g+", "+v+");\n      const float initializationValue = "+b+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float count = 0.0;\n\n      float getValue(int batch, int xD, int xR, int xC, int ch) {\n        if (xC < 0 || xC >= "+t.inWidth+") {\n          return initializationValue;\n        }\n        count += 1.0;\n        return getX(batch, xD, xR, xC, ch);\n      }\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n        int xDCorner = xCorner.x;\n        int xRCorner = xCorner.y;\n        int xCCorner = xCorner.z;\n\n        // max/min x(?, ?, ?, d) to get y(yD, yR, yC, ch).\n        // ? = to be determined\n        vec4 minMaxValue = vec4("+b+");\n        float avgValue = 0.0;\n        count = 0.0;\n\n        for (int wD = 0; wD < "+h+";\n            wD += "+c+") {\n          int xD = xDCorner + wD;\n\n          if (xD < 0 || xD >= "+t.inDepth+") {\n            continue;\n          }\n\n          for (int wR = 0; wR < "+d+";\n            wR += "+l+") {\n            int xR = xRCorner + wR;\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+w+"; wC += 4) {\n              int xC = xCCorner + wC * "+f+";\n\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+f+", ch),\n                getValue(batch, xD, xR, xC + 2 * "+f+", ch),\n                getValue(batch, xD, xR, xC + 3 * "+f+", ch)\n              );\n\n              "+E+"\n            }\n\n            int xC = xCCorner + "+w+";\n            if ("+(1===k)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                initializationValue,\n                initializationValue,\n                initializationValue\n              );\n\n              "+E+"\n            } else if ("+(2===k)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+f+", ch),\n                initializationValue,\n                initializationValue\n              );\n\n              "+E+"\n            } else if ("+(3===k)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+f+", ch),\n                getValue(batch, xD, xR, xC + 2 * "+f+", ch),\n                initializationValue\n              );\n\n              "+E+"\n            }\n          }\n          setOutput("+x+");\n        }\n      }\n    ";}},Qa=function Qa(t,e,n,r,i,o,a){this.variableNames=["updates","indices","defaultValue"],this.outputShape=o;var s=sa(i.length),u=sa(o.length),c="";1===n?c="i":2===n&&(c="i, j");var l="getIndices("+c+")",f="";1===r?f="i":2===r&&(f="i, coords[1]");var h="getUpdates("+f+")",d=e>1?"strides[j]":"strides";this.userCode="\n        "+s+" strides = "+s+"("+i+");\n\n        void main() {\n          "+u+" coords = getOutputCoords();\n          float sum = 0.0;\n          bool found = false;\n          for (int i = 0; i < "+t+"; i++) {\n            int flattenedIndex = 0;\n            for (int j = 0; j < "+e+"; j++) {\n              int index = round("+l+");\n              flattenedIndex += index * "+d+";\n            }\n            if (flattenedIndex == coords[0]) {\n              sum += "+h+";\n              found = true;\n            }\n          }\n          setOutput(mix(getDefaultValue(), sum, float(found)));\n        }\n      ";},Za=function(){function t(t){this.variableNames=["source"],this.outputShape=t,this.rank=t.length;var e,n=sa(this.rank),r="uniform int start["+this.rank+"];",i=function(t){if(1===t)return "sourceLoc";if(t<=6)return ts.slice(0,t).map(function(t){return "sourceLoc."+t;}).join(",");throw Error("Slicing for rank "+t+" is not yet supported");}(this.rank);e="\n        "+n+" sourceLoc;\n        "+n+" coords = getOutputCoords();\n        "+t.map(function(t,e){return "sourceLoc."+ts[e]+" = start["+e+"] + coords."+ts[e]+";";}).join("\n")+"\n      ",this.userCode="\n      "+r+"\n      void main() {\n        "+e+"\n        setOutput(getSource("+i+"));\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t){var e=this;if(t.length!==this.rank)throw Error("The rank ("+this.rank+") of the program must match the length of start ("+t.length+")");return function(n,r){null==e.startLoc&&(e.startLoc=n.getUniformLocationNoThrow(r,"start"),null==e.startLoc)||n.gl.uniform1iv(e.startLoc,t);};},t;}(),ts=["x","y","z","w","u","v"],es=function(){function t(t){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.rank=t.length;var e=sa(this.rank),n=Xo("coords",this.rank),r=Xo("sourceLoc",this.rank),i=1===this.rank?"sourceLoc":"vec2("+r.slice(-2).join()+")",o="getChannel(getSource("+r.join()+"), "+i+")",a="\n      result.x = "+o+";\n      if (++"+n[this.rank-1]+" < "+t[this.rank-1]+") {\n        ++"+r[this.rank-1]+";\n        result.y = "+o+";\n        --"+r[this.rank-1]+";\n      }\n    ",s=1===this.rank?"":"\n      --"+n[this.rank-1]+";\n      if (++"+n[this.rank-2]+" < "+t[this.rank-2]+") {\n        ++"+r[this.rank-2]+";\n        result.z = "+o+";\n        if (++"+n[this.rank-1]+" < "+t[this.rank-1]+") {\n          ++"+r[this.rank-1]+";\n          result.w = "+o+";\n        }\n      }\n    ",u=this.rank<=4?"sourceLoc = coords +\n            "+e+"("+t.map(function(t,e){return "start["+e+"]";}).join()+");":t.map(function(t,e){return r[e]+" = "+n[e]+" + start["+e+"];";}).join("\n");this.userCode="\n      uniform int start["+this.rank+"];\n      void main() {\n        "+e+" coords = getOutputCoords();\n        "+e+" sourceLoc;\n        "+u+"\n        vec4 result = vec4(0.);\n        "+a+"\n        "+s+"\n        setOutput(result);\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t){var e=this;if(t.length!==this.rank)throw Error("The rank ("+this.rank+") of the program must match the length of start ("+t.length+")");return function(n,r){null==e.startLoc&&(e.startLoc=n.getUniformLocationNoThrow(r,"start"),null==e.startLoc)||n.gl.uniform1iv(e.startLoc,t);};},t;}(),ns=function(){function t(t){this.gpgpu=t,this.numUsedTextures=0,this.numFreeTextures=0,this.freeTextures={},this.logEnabled=!1,this.usedTextures={};}return t.prototype.acquireTexture=function(t,e,n){var r,i=rs(e,n),o=is(t,i,n);if(o in this.freeTextures||(this.freeTextures[o]=[]),o in this.usedTextures||(this.usedTextures[o]=[]),this.freeTextures[o].length>0){this.numFreeTextures--,this.numUsedTextures++,this.log();var a=this.freeTextures[o].shift();return this.usedTextures[o].push(a),a;}return this.numUsedTextures++,this.log(),i===Gt.PACKED_2X2_FLOAT32?r=this.gpgpu.createPackedMatrixTexture(t[0],t[1]):i===Gt.PACKED_2X2_FLOAT16?r=this.gpgpu.createFloat16PackedMatrixTexture(t[0],t[1]):i===Gt.UNPACKED_FLOAT32?r=this.gpgpu.createFloat32MatrixTexture(t[0],t[1]):i===Gt.UNPACKED_FLOAT16?r=this.gpgpu.createFloat16MatrixTexture(t[0],t[1]):i===Gt.PACKED_4X1_UNSIGNED_BYTE&&(r=this.gpgpu.createUnsignedBytesMatrixTexture(t[0],t[1])),this.usedTextures[o].push(r),r;},t.prototype.releaseTexture=function(t,e,n,r){if(null!=this.freeTextures){var i=is(e,rs(n,r),r);i in this.freeTextures||(this.freeTextures[i]=[]),this.freeTextures[i].push(t),this.numFreeTextures++,this.numUsedTextures--;var o=this.usedTextures[i],a=o.indexOf(t);if(a<0)throw new Error("Cannot release a texture that was never provided by this texture manager");o.splice(a,1),this.log();}},t.prototype.log=function(){if(this.logEnabled){var t=this.numFreeTextures+this.numUsedTextures;console.log("Free/Used",this.numFreeTextures+" / "+this.numUsedTextures,"("+t+")");}},t.prototype.getNumUsedTextures=function(){return this.numUsedTextures;},t.prototype.getNumFreeTextures=function(){return this.numFreeTextures;},t.prototype.dispose=function(){var t=this;if(null!=this.freeTextures){for(var e in this.freeTextures){this.freeTextures[e].forEach(function(e){t.gpgpu.deleteMatrixTexture(e);});}for(var e in this.usedTextures){this.usedTextures[e].forEach(function(e){t.gpgpu.deleteMatrixTexture(e);});}this.freeTextures=null,this.usedTextures=null,this.numUsedTextures=0,this.numFreeTextures=0;}},t;}();function rs(t,e){if(t===Ht.UPLOAD)return Gt.PACKED_2X2_FLOAT32;if(t===Ht.RENDER||null==t)return function(t){return f().getBool("WEBGL_RENDER_FLOAT32_ENABLED")?t?Gt.PACKED_2X2_FLOAT32:Gt.UNPACKED_FLOAT32:t?Gt.PACKED_2X2_FLOAT16:Gt.UNPACKED_FLOAT16;}(e);if(t===Ht.DOWNLOAD||t===Ht.PIXELS)return Gt.PACKED_4X1_UNSIGNED_BYTE;throw new Error("Unknown logical texture type "+t);}function is(t,e,n){return t[0]+"_"+t[1]+"_"+e+"_"+n;}var os=1.7580993408473768,as=1.0507009873554805,ss=function ss(t,e){this.variableNames=["A"],this.outputShape=t,this.userCode="\n      float unaryOperation(float x) {\n        "+e+"\n      }\n\n      void main() {\n        float x = getAAtOutCoords();\n        float y = unaryOperation(x);\n\n        setOutput(y);\n      }\n    ";},us="if (isnan(x)) return x;",cs="return x;",ls="return abs(x);",fs=us+"\n  return (x < 0.0) ? 0.0 : x;\n",hs=us+"\n  return (x < 0.0) ? 0.0 : min(6.0, x);\n",ds="return (x >= 0.0) ? x : (exp(x) - 1.0);",ps="return -x;",ms="return ceil(x);",gs="return floor(x);",vs="return exp(x);",ys="return exp(x) - 1.0;",bs="return x;",xs="return x;",ws="\n  vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n",ks="\n  vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n",Es="\n  vec4 result;\n\n  result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);\n  result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);\n  result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);\n  result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);\n\n  return result;\n",Cs=function Cs(t,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.userCode="\n      vec4 unaryOperation(vec4 x) {\n        "+e+"\n      }\n\n      void main() {\n        vec4 x = getAAtOutCoords();\n        vec4 y = unaryOperation(x);\n\n        setOutput(y);\n      }\n    ";},As={};function Os(t,e){if(void 0===e&&(e=!1),"linear"===t)return e?xs:cs;if("relu"===t)return e?ws:fs;if("elu"===t)return e?Es:ds;if("relu6"===t)return e?ks:hs;if("prelu"===t)return e?ga:pa;throw new Error("Activation "+t+" has not been implemented for the WebGL backend.");}var _s=600,Ss=function(t){function e(e){var n,r=t.call(this)||this;if(r.pendingRead=new WeakMap(),r.pendingDisposal=new WeakSet(),r.dataRefCount=new WeakMap(),r.numBytesInGPU=0,r.uploadWaitMs=0,r.downloadWaitMs=0,r.warnedAboutMemory=!1,r.pendingDeletes=0,r.disposed=!1,!f().getBool("HAS_WEBGL"))throw new Error("WebGL is not supported on this device");if(null==e){var i=Jt(f().getNumber("WEBGL_VERSION"));r.binaryCache=(n=f().getNumber("WEBGL_VERSION"))in As?As[n]:(As[n]={},As[n]),r.gpgpu=new Ha(i),r.canvas=i.canvas,r.gpgpuCreatedLocally=!0;}else r.gpgpu=e,r.binaryCache={},r.gpgpuCreatedLocally=!1,r.canvas=e.gl.canvas;return r.textureManager=new ns(r.gpgpu),r.numMBBeforeWarning=null==f().global.screen?1024:f().global.screen.height*f().global.screen.width*window.devicePixelRatio*_s/1024/1024,r.texData=new ho(r,Wt),r;}return s(e,t),e.prototype.numDataIds=function(){return this.texData.numDataIds()+(this.cpuBackend?this.cpuBackend.numDataIds():0)-this.pendingDeletes;},e.prototype.write=function(t,e,n){if(f().getBool("DEBUG")&&this.checkNumericalProblems(t),"complex64"===n&&null!=t)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");var r={};return this.texData.set(r,{shape:e,dtype:n,values:t,usage:Ht.UPLOAD}),r;},e.prototype.move=function(t,e,n,r){if(f().getBool("DEBUG")&&this.checkNumericalProblems(e),"complex64"===r)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");this.texData.set(t,{shape:n,dtype:r,values:e,usage:Ht.UPLOAD});},e.prototype.readSync=function(t){var e=this.texData.get(t),n=e.values,r=e.dtype,i=e.complexTensors,o=e.slice,a=e.shape,s=e.isPacked;if(null!=o){var u;u=s?new Cs(a,bs):new ss(a,bs);var c=this.runWebGLProgram(u,[{dataId:t,shape:a,dtype:r}],r),l=this.readSync(c.dataId);return this.disposeData(c.dataId),l;}if(null!=n)return this.convertAndCacheOnCPU(t);if("string"===r)return n;var f,h,d=null!=this.activeTimers;return d&&(f=at()),h="complex64"===r?No(i.real.dataSync(),i.imag.dataSync()):this.getValuesFromTexture(t),d&&(this.downloadWaitMs+=at()-f),this.convertAndCacheOnCPU(t,h);},e.prototype.read=function(t){return u(this,void 0,void 0,function(){var e,n,r,i,o,a,s,u,l,h,d,p,m,g,v,y,b,x,w,k,E,C;return c(this,function(c){switch(c.label){case 0:if(this.pendingRead.has(t))return e=this.pendingRead.get(t),[2,new Promise(function(t){return e.push(t);})];if(n=this.texData.get(t),r=n.values,i=n.shape,o=n.slice,a=n.dtype,s=n.complexTensors,u=n.isPacked,null!=o)return l=void 0,l=u?new Cs(i,bs):new ss(i,bs),h=this.runWebGLProgram(l,[{dataId:t,shape:i,dtype:a}],a),d=this.read(h.dataId),this.disposeData(h.dataId),[2,d];if(null!=r)return [2,this.convertAndCacheOnCPU(t)];if(!f().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")&&2===f().getNumber("WEBGL_VERSION"))throw new Error("tensor.data() with WEBGL_DOWNLOAD_FLOAT_ENABLED=false and WEBGL_VERSION=2 not yet supported.");return p=null,"complex64"!==a&&f().get("WEBGL_BUFFER_SUPPORTED")&&(m=this.decode(t),g=this.texData.get(m.dataId),p=(C=this.gpgpu).createBufferFromTexture.apply(C,[g.texture].concat(Zt(i)))),this.pendingRead.set(t,[]),"complex64"===a?[3,2]:[4,this.gpgpu.createAndWaitForFence()];case 1:c.sent(),c.label=2;case 2:return "complex64"!==a?[3,4]:[4,Promise.all([s.real.data(),s.imag.data()])];case 3:return y=c.sent(),b=y[0],x=y[1],v=No(b,x),[3,5];case 4:null==p?v=this.getValuesFromTexture(t):(w=T(i),v=this.gpgpu.downloadFloat32MatrixFromBuffer(p,w)),c.label=5;case 5:return null!=m&&this.disposeData(m.dataId),k=this.convertAndCacheOnCPU(t,v),E=this.pendingRead.get(t),this.pendingRead.delete(t),E.forEach(function(t){return t(k);}),this.pendingDisposal.has(t)&&(this.pendingDisposal.delete(t),this.disposeData(t),this.pendingDeletes--),[2,k];}});});},e.prototype.checkNumericalProblems=function(t){if(null!=t)for(var e=0;e<t.length;e++){var n=t[e];if(!oe(n)){if(f().getBool("WEBGL_RENDER_FLOAT32_CAPABLE"))throw Error("The value "+n+" cannot be represented with your current settings. Consider enabling float32 rendering: 'tf.env().set('WEBGL_RENDER_FLOAT32_ENABLED', true);'");throw Error("The value "+n+" cannot be represented on this device.");}}},e.prototype.getValuesFromTexture=function(t){var e,n=this.texData.get(t),r=n.shape,i=n.dtype,o=n.isPacked,a=T(r);if(f().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")){var s=this.decode(t),u=this.texData.get(s.dataId),c=(e=this.gpgpu).downloadMatrixFromPackedTexture.apply(e,[u.texture].concat(Zt(r))).subarray(0,a);return this.disposeData(s.dataId),c;}var l=f().getBool("WEBGL_PACK")&&!0===o,h=l?Re(r):r,d=l?new function(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outTexUsage=Ht.DOWNLOAD;var e=Yo();this.outputShape=t,this.userCode="\n      "+Zo+"\n\n      void main() {\n        ivec3 coords = getOutputCoords();\n        float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));\n        "+e.output+" = encode_float(x);\n      }\n    ";}(h):new function(t){this.variableNames=["A"],this.outTexUsage=Ht.DOWNLOAD;var e=Yo();this.outputShape=t,this.userCode="\n      "+Zo+"\n\n      void main() {\n        float x = getAAtOutCoords();\n        "+e.output+" = encode_float(x);\n      }\n    ";}(h),p=this.runWebGLProgram(d,[{shape:h,dtype:i,dataId:t}],"float32"),m=this.texData.get(p.dataId),g=this.gpgpu.downloadByteEncodedFloatMatrixFromOutputTexture(m.texture,m.texShape[0],m.texShape[1]).subarray(0,a);return this.disposeData(p.dataId),g;},e.prototype.time=function(t){return u(this,void 0,void 0,function(){var e,n,r,i,o,a,s;return c(this,function(u){switch(u.label){case 0:return e=this.activeTimers,n=[],r=!1,null==this.programTimersStack?(this.programTimersStack=n,r=!0):this.activeTimers.push(n),this.activeTimers=n,t(),i=F(this.activeTimers.map(function(t){return t.query;})).filter(function(t){return null!=t;}),o=F(this.activeTimers.map(function(t){return t.name;})).filter(function(t){return null!=t;}),this.activeTimers=e,r&&(this.programTimersStack=null),a={uploadWaitMs:this.uploadWaitMs,downloadWaitMs:this.downloadWaitMs,kernelMs:null,wallMs:null},f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[4,Promise.all(i)]:[3,2];case 1:return s=u.sent(),a.kernelMs=O(s),a.getExtraProfileInfo=function(){return s.map(function(t,e){return {name:o[e],ms:t};}).map(function(t){return t.name+": "+t.ms;}).join(", ");},[3,3];case 2:a.kernelMs={error:"WebGL query timers are not supported in this environment."},u.label=3;case 3:return this.uploadWaitMs=0,this.downloadWaitMs=0,[2,a];}});});},e.prototype.memory=function(){return {unreliable:!1,numBytesInGPU:this.numBytesInGPU};},e.prototype.startTimer=function(){return f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?this.gpgpu.beginQuery():{startMs:at(),endMs:null};},e.prototype.endTimer=function(t){return f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?(this.gpgpu.endQuery(),t):(t.endMs=at(),t);},e.prototype.getQueryTime=function(t){return u(this,void 0,void 0,function(){var e;return c(this,function(n){return f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[2,this.gpgpu.waitForQueryAndGetTime(t)]:[2,(e=t).endMs-e.startMs];});});},e.prototype.disposeData=function(t){if(!this.pendingDisposal.has(t)){if(this.pendingRead.has(t))return this.pendingDisposal.add(t),void this.pendingDeletes++;if(this.texData.has(t)){this.releaseGPUData(t);var e=this.texData.get(t).complexTensors;null!=e&&(e.real.dispose(),e.imag.dispose()),this.texData.delete(t);}}},e.prototype.releaseGPUData=function(t){var e=this.texData.get(t),n=e.texture,r=e.dtype,i=e.texShape,o=e.usage,a=e.isPacked,s=e.slice,u=s&&s.origDataId||t,c=this.dataRefCount.get(u);c>1?this.dataRefCount.set(u,c-1):(this.dataRefCount.delete(u),null!=n&&(this.numBytesInGPU-=this.computeBytes(i,r),this.textureManager.releaseTexture(n,i,o,a)));var l=this.texData.get(t);l.texture=null,l.texShape=null,l.isPacked=!1,l.slice=null;},e.prototype.getTexture=function(t){return this.uploadToGPU(t),this.texData.get(t).texture;},e.prototype.getDataInfo=function(t){return this.texData.get(t);},e.prototype.getCPUBackend=function(){return f().getBool("WEBGL_CPU_FORWARD")?(null==this.cpuBackend&&(this.cpuBackend=Wt.findBackend("cpu")),this.cpuBackend):null;},e.prototype.shouldExecuteOnCPU=function(t,e){var n=this;return void 0===e&&(e=128),null!=this.getCPUBackend()&&t.every(function(t){return null==n.texData.get(t.dataId).texture&&T(t.shape)<e;});},e.prototype.getGPGPUContext=function(){return this.gpgpu;},e.prototype.complex=function(t,e){var n=this.makeOutput(t.shape,"complex64");return this.texData.get(n.dataId).complexTensors={real:Wt.keep(t.clone()),imag:Wt.keep(e.clone())},n;},e.prototype.real=function(t){return this.texData.get(t.dataId).complexTensors.real.clone();},e.prototype.imag=function(t){return this.texData.get(t.dataId).complexTensors.imag.clone();},e.prototype.slice=function(t,e,n){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.slice(t,e,n);if(0===T(n))return jn([],n,t.dtype);var r=this.texData.get(t.dataId).isPacked,i=Zi(t.shape,e,n);if(r||!i){var o=f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new es(n):new Za(n),a=o.getCustomSetupFunc(e);return this.compileAndRun(o,[t],null,a);}return this.uploadToGPU(t.dataId),this.shallowSlice(t,e,n);},e.prototype.shallowSlice=function(t,e,n){var r=this.texData.get(t.dataId),i=this.makeOutput(n,t.dtype),o=this.texData.get(i.dataId);Object.assign(o,r),o.shape=n,o.dtype=t.dtype;var a=to(e,t.strides);r.slice&&(a+=r.slice.flatOffset),o.slice={flatOffset:a,origDataId:r.slice&&r.slice.origDataId||t.dataId};var s=this.dataRefCount.get(o.slice.origDataId)||1;return this.dataRefCount.set(o.slice.origDataId,s+1),i;},e.prototype.stridedSlice=function(t,e,n,r){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.stridedSlice(t,e,n,r);var i=Yi(e,n,r);if(i.some(function(t){return 0===t;}))return jn([],i);var o=new function(t,e,n){this.variableNames=["x"],this.outputShape=n;var r=n.length,i=sa(n.length),o=sa(n.length),a="";if(1===r)a="coords * strides + begin";else {var s=0;a=n.map(function(t,e){return s++,1===n.length?"coords * strides["+e+"] + begin["+e+"]":"coords["+(s-1)+"] * strides["+e+"] + begin["+e+"]";}).join(",");}this.userCode="\n      "+i+" begin = "+i+"("+t+");\n      "+i+" strides = "+i+"("+e+");\n\n      void main() {\n        "+o+" coords = getOutputCoords();\n        setOutput(getX("+a+"));\n      }\n    ";}(e,r,i);return this.compileAndRun(o,[t]);},e.prototype.reverse=function(t,e){var n=f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new function(t,e){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0;var n=t.length;if(n>4)throw new Error("WebGL backend: Reverse of rank-"+n+" tensor is not yet supported");this.outputShape=t;var r=Xo("rc",n),i=r[n-1]+" + 1 < "+this.outputShape[n-1],o=r[n-2]+" + 1 < "+this.outputShape[n-2],a=sa(n);function s(n){var r=t.map(function(r,i){return function(n,r){return -1!==e.indexOf(n)&&1!==t[n]?t[n]+" - "+r[n]+" - 1":""+r[n];}(i,n);});return "getChannel(getX("+r.join(",")+"), vec2("+r.slice(-2).join(",")+"))";}this.userCode=1===n?"\n        void main(){\n          int rc = getOutputCoords();\n          vec4 result = vec4(0.);\n          result.r = getChannel(getX("+t[0]+" - rc - 1),\n            "+t[0]+" - rc - 1);\n          if("+i+"){\n              result.g = getChannel(getX("+t[0]+" - (rc  + 1) - 1),\n                "+t[0]+" - (rc  + 1) - 1);\n          }\n          setOutput(result);\n        }\n      ":"\n        void main() {\n          "+a+" rc = getOutputCoords();\n          vec4 result = vec4(0.);\n          result.r = "+s(r.slice())+";\n          if("+i+"){\n            result.g = "+function(t){return t[n-1]="("+t[n-1]+" + 1)",s(t);}(r.slice())+";\n          }\n          if("+o+") {\n            result.b = "+function(t){return t[n-2]="("+t[n-2]+" + 1)",s(t);}(r.slice())+";\n            if("+i+") {\n              result.a = "+function(t){return t[n-1]="("+t[n-1]+" + 1)",t[n-2]="("+t[n-2]+" + 1)",s(t);}(r.slice())+";\n            }\n          }\n          setOutput(result);\n        }\n    ";}(t.shape,e):new function(t,e){this.variableNames=["x"];var n=t.length;if(n>4)throw new Error("WebGL backend: Reverse of rank-"+n+" tensor is not yet supported");if(this.outputShape=t,1!==n){var r=t.map(function(n,r){return function(n){return -1!==e.indexOf(n)&&1!==t[n]?t[n]+" - coords["+n+"] - 1":"coords["+n+"]";}(r);}).join(","),i=sa(n);this.userCode="\n      void main() {\n        "+i+" coords = getOutputCoords();\n        setOutput(getX("+r+"));\n      }\n    ";}else this.userCode="\n        void main() {\n          int coord = getOutputCoords();\n          setOutput(getX("+t[0]+" - coord - 1));\n        }\n      ";}(t.shape,e);return this.compileAndRun(n,[t]);},e.prototype.concat=function(t,e){if("complex64"===t[0].dtype){var n=t.map(function(t){return Rn(t);}),r=t.map(function(t){return Mn(t);});return In(this.concat(n,e),this.concat(r,e));}if(this.shouldExecuteOnCPU(t))return this.cpuBackend.concat(t,e);if(1===t.length)return t[0];if(t.length>f().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){var i=Math.floor(t.length/2),o=this.concat(t.slice(0,i),e),a=this.concat(t.slice(i),e);return this.concat([o,a],e);}if(f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&t[0].rank>1){var s=new function(t,e){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=Tn(t,e);var n=this.outputShape,r=n.length,i=sa(r),o=Xo("coords",r),a=["x","y","z","w","u","v"].slice(0,r);this.variableNames=t.map(function(t,e){return "T"+e;});var s=new Array(t.length-1);s[0]=t[0][e];for(var u=1;u<s.length;u++){s[u]=s[u-1]+t[u][e];}var c=a[e],l=a.slice(-2),f=a.join(),h="if ("+c+" < "+s[0]+") {\n        return getChannel(\n            getT0("+f+"), vec2("+l.join()+"));\n        }";for(u=1;u<s.length;u++){var d=s[u-1];h+="\n        if ("+c+" < "+s[u]+"  && "+c+" >= "+s[u-1]+") {\n          return getChannel(\n            getT"+u+"("+xa(a,c,d)+"),\n            vec2("+xa(l,c,d)+"));\n        }";}var p=s.length,m=s[s.length-1];h+="\n        return getChannel(\n          getT"+p+"("+xa(a,c,m)+"),\n          vec2("+xa(l,c,m)+"));",this.userCode="\n      float getValue("+a.map(function(t){return "int "+t;})+") {\n        "+h+"\n      }\n\n      void main() {\n        "+i+" coords = getOutputCoords();\n        vec4 result = vec4(getValue("+o+"), 0., 0., 0.);\n\n        "+o[r-1]+" = "+o[r-1]+" + 1;\n        if ("+o[r-1]+" < "+n[r-1]+") {\n          result.g = getValue("+o+");\n        }\n\n        "+o[r-2]+" = "+o[r-2]+" + 1;\n        if ("+o[r-2]+" < "+n[r-2]+") {\n          result.a = getValue("+o+");\n        }\n\n        "+o[r-1]+" = "+o[r-1]+" - 1;\n        if ("+o[r-2]+" < "+n[r-2]+" &&\n            "+o[r-1]+" < "+n[r-1]+") {\n          result.b = getValue("+o+");\n        }\n        setOutput(result);\n      }\n    ";}(t.map(function(t){return t.shape;}),e);return this.compileAndRun(s,t);}var u=Tn(t.map(function(t){return t.shape;}),e),c=t.map(function(t){return t.as2D(-1,T(t.shape.slice(e)));}),l=new function(t){this.outputShape=[],this.outputShape=Tn(t,1),this.variableNames=t.map(function(t,e){return "T"+e;});var e=new Array(t.length-1);e[0]=t[0][1];for(var n=1;n<e.length;n++){e[n]=e[n-1]+t[n][1];}var r=["if (yC < "+e[0]+") setOutput(getT0(yR, yC));"];for(n=1;n<e.length;n++){var i=e[n-1];r.push("else if (yC < "+e[n]+") setOutput(getT"+n+"(yR, yC-"+i+"));");}var o=e.length,a=e[e.length-1];r.push("else setOutput(getT"+o+"(yR, yC-"+a+"));"),this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int yR = coords.x;\n        int yC = coords.y;\n\n        "+r.join("\n        ")+"\n      }\n    ";}(c.map(function(t){return t.shape;}));return this.compileAndRun(l,c).reshape(u);},e.prototype.neg=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.neg(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,ps,t.dtype);var e=new ss(t.shape,ps);return this.compileAndRun(e,[t]);},e.prototype.batchMatMul=function(t,e,n,r){var i=n?t.shape[2]:t.shape[1],o=r?e.shape[1]:e.shape[2],a=n?t.shape[1]:t.shape[2],s=t.shape[0];if((1===i||1===o)&&a>1e3){n&&(t=fo(t,[0,2,1])),r&&(e=fo(e,[0,2,1]));var u=1===o?t:t.as3D(s,a,1),c=1===o?2:1,l=1===o?e.as3D(s,1,a):e;return this.multiply(u,l).sum(c,!0);}var f=It(t.dtype,e.dtype),h=new Ka(t.shape,[s,i,o],n,r);return this.compileAndRun(h,[t,e],f);},e.prototype.fusedBatchMatMul=function(t){var e=t.a,n=t.b,r=t.transposeA,i=t.transposeB,o=t.bias,a=t.activation,s=t.preluActivationWeights,u=r?e.shape[2]:e.shape[1],c=i?n.shape[1]:n.shape[2],l=e.shape[0],f=It(e.dtype,n.dtype),h=null!=o,d=null!=s,p=a?Os(a,!0):null,m=new Ka(e.shape,[l,u,c],r,i,h,p,d),g=[e,n];return o&&g.push(o),s&&g.push(s),this.compileAndRun(m,g,f);},e.prototype.multiply=function(t,e){if("complex64"===t.dtype){var n=this.texData.get(t.dataId),r=this.texData.get(e.dataId),i=new la("return areal * breal - aimag * bimag;",t.shape,e.shape),o=new la("return areal * bimag + aimag * breal;",t.shape,e.shape),a=[this.makeComplexComponentTensorInfo(t,n.complexTensors.real),this.makeComplexComponentTensorInfo(t,n.complexTensors.imag),this.makeComplexComponentTensorInfo(e,r.complexTensors.real),this.makeComplexComponentTensorInfo(e,r.complexTensors.imag)],s=this.compileAndRun(i,a),u=this.compileAndRun(o,a),c=this.complex(s,u);return s.dispose(),u.dispose(),c;}if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.multiply(t,e);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,da,t.dtype);var l=new ma(da,t.shape,e.shape);return this.compileAndRun(l,[t,e],t.dtype);},e.prototype.batchNormalization=function(t,e,n,r,i,o){var a=[t,e,n],s=null;null!=o&&(s=o.shape,a.push(o));var u=null;if(null!=i&&(u=i.shape,a.push(i)),f().getBool("WEBGL_PACK_NORMALIZATION")){var c=new function(t,e,n,r,i,o){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],Ur(t,e),Ur(t,n);var a="vec4(0.0)";null!=r&&(Ur(t,r),this.variableNames.push("offset"),a="getOffsetAtOutCoords()");var s="vec4(1.0)";null!=i&&(Ur(t,i),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=t,this.userCode="\n      void main() {\n        vec4 offset = "+a+";\n        vec4 scale = "+s+";\n\n        vec4 x = getXAtOutCoords();\n        vec4 mean = getMeanAtOutCoords();\n        vec4 variance = getVarianceAtOutCoords();\n\n        vec4 inv = scale * inversesqrt(variance + vec4("+o+"));\n\n        setOutput((x - mean) * inv + offset);\n      }\n    ";}(t.shape,e.shape,n.shape,s,u,r);return this.compileAndRun(c,a);}var l=new function(t,e,n,r,i,o){this.outputShape=[],this.variableNames=["x","mean","variance"],Ur(t,e),Ur(t,n);var a="0.0";null!=r&&(Ur(t,r),this.variableNames.push("offset"),a="getOffsetAtOutCoords()");var s="1.0";null!=i&&(Ur(t,i),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=t,this.userCode="\n      void main() {\n        float x = getXAtOutCoords();\n        float mean = getMeanAtOutCoords();\n        float variance = getVarianceAtOutCoords();\n        float offset = "+a+";\n        float scale = "+s+";\n        float inv = scale * inversesqrt(variance + float("+o+"));\n        setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));\n      }\n    ";}(t.shape,e.shape,n.shape,s,u,r);return this.compileAndRun(l,a);},e.prototype.localResponseNormalization4D=function(t,e,n,r,i){var o=f().getBool("WEBGL_PACK_NORMALIZATION")?new function(t,e,n,r,i){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;var o,a=e,s=t[3]-1;this.outputShape=t;var u="float("+n+") + float("+r+") * sum";o=.5===i?"inversesqrt("+u+")":1===i?"1.0/("+u+")":"exp(log("+u+") * float(-"+i+"));",this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords.x;\n        int r = coords.y;\n        int c = coords.z;\n        int d = coords.w;\n\n        bool hasNextCol = d < "+this.outputShape[3]+";\n        bool hasNextRow = c < "+this.outputShape[2]+";\n\n        vec4 sum = vec4(0.);\n        vec4 xFragAtOutputCoords = getX(b, r, c, d);\n\n        vec4 xAtOutputCoords = vec4(\n          getChannel(xFragAtOutputCoords, vec2(c, d)),\n          hasNextCol ?\n            getChannel(xFragAtOutputCoords, vec2(c, d + 1)) : 0.0,\n          hasNextRow ?\n            getChannel(xFragAtOutputCoords , vec2(c + 1, d)) : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getChannel(xFragAtOutputCoords, vec2(c + 1, d + 1)) : 0.0\n        );\n\n        int firstChannel = d - "+a+";\n        vec2 cache = vec2(0.);\n        if(firstChannel >= 0){\n          vec4 firstChannelFrag = getX(b, r, c, firstChannel);\n          cache.x = getChannel(firstChannelFrag, vec2(c, firstChannel));\n            if(hasNextRow){\n              cache.y = getChannel(firstChannelFrag, vec2(c + 1, firstChannel));\n            }\n        }\n\n        ivec2 depth = ivec2(d, d + 1);\n        for (int j = - "+a+"; j <= "+a+"; j++) {\n          ivec2 idx = depth + j;\n          bvec2 aboveLowerBound = greaterThanEqual(idx, ivec2(0));\n          bvec2 belowUpperBound = lessThanEqual(idx, ivec2("+s+"));\n\n          bool depthInRange = aboveLowerBound.x && belowUpperBound.x;\n          bool depthPlusOneInRange = aboveLowerBound.y && belowUpperBound.y;\n\n          if(depthInRange || depthPlusOneInRange){\n            vec4 z = vec4(0.);\n            vec4 xFragAtCurrentDepth;\n            z.xz = cache.xy;\n            if(depthPlusOneInRange && hasNextCol){\n              xFragAtCurrentDepth = idx.y != d ?\n                getX(b, r, c, idx.y) : xFragAtOutputCoords;\n              z.y = getChannel(xFragAtCurrentDepth, vec2(c, idx.y));\n              if(hasNextRow){\n                z.w = getChannel(xFragAtCurrentDepth, vec2(c + 1, idx.y));\n              }\n            }\n            cache.xy = z.yw;\n            sum += z * z;\n          }\n        }\n        vec4 result = xAtOutputCoords * "+o+";\n        setOutput(result);\n      }\n    ";}(t.shape,e,n,r,i):new function(t,e,n,r,i){this.variableNames=["x"],this.outputShape=[];var o,a=e,s=t[3]-1;this.outputShape=t;var u="float("+n+") + float("+r+") * sum";o=.5===i?"inversesqrt("+u+")":1===i?"1.0/("+u+")":"exp(log("+u+") * float(-"+i+"));",this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int r = coords[1];\n        int c = coords[2];\n        int d = coords[3];\n        float x = getX(b, r, c, d);\n        float sum = 0.0;\n        for (int j = -"+a+"; j <= "+a+"; j++) {\n          int idx = d + j;\n          if (idx >= 0 && idx <=  "+s+") {\n            float z = getX(b, r, c, idx);\n            sum += z * z;\n          }\n        }\n        float val = x * "+o+";\n        setOutput(val);\n      }\n    ";}(t.shape,e,n,r,i);return this.compileAndRun(o,[t]);},e.prototype.LRNGrad=function(t,e,n,r,i,o,a){var s=new function(t,e,n,r,i){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=t,this.depth=t[3],this.depthRadius=e,this.bias=n,this.alpha=r,this.beta=i,this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int r = coords[1];\n        int c = coords[2];\n\n        float result = 0.0;\n        for (int d = 0; d < "+this.depth+"; ++d) {\n          int depthBegin = int(max(0.0, float(d - "+e+")));\n          int depthEnd = int(min(float("+this.depth+"),\n              float(d + "+e+" + 1)));\n\n          const int MIN_DEPTH_BEGIN = 0;\n          const int MAX_DEPTH_END = "+this.depth+";\n\n          float norm = 0.0;\n          for (int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k) {\n            if (k < depthBegin){\n              continue;\n            }\n            else if (k >= depthBegin && k < depthEnd) {\n              norm += getInputImage(b, r, c, k) * getInputImage(b, r, c, k);\n            }\n            else {\n              break;\n            }\n          }\n\n          norm = float("+r+") * norm + float("+n+");\n\n          for(int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k){\n            if (k < depthBegin){\n              continue;\n            }\n            else if (k >= depthBegin && k < depthEnd){\n              float dyi = -2.0 * float("+r+")\n                * float("+i+")\n                * getInputImage(b ,r ,c, k) * getOutputImage(b, r, c, d)\n                / norm;\n              if (k == d) {\n                dyi += pow(norm, -1.0 * "+i+");\n              }\n              if (k == coords[3]) {\n                dyi *= getDy(b, r, c, d);\n                result += dyi;\n              }\n            }\n            else {\n              break;\n            }\n          }\n      }\n      setOutput(result);\n      }\n    ";}(e.shape,r,i,o,a);return this.compileAndRun(s,[e,n,t]);},e.prototype.tile=function(t,e){if("string"===t.dtype){var n=this.readSync(t.dataId).map(function(t){return ct(t);});return $o(or(t.shape,t.dtype,n),e);}var r=new function(t,e){this.variableNames=["A"];for(var n=new Array(t.length),r=0;r<n.length;r++){n[r]=t[r]*e[r];}this.outputShape=n,this.rank=n.length;var i=sa(this.rank),o=function(t){var e=t.length;if(e>5)throw Error("Tile for rank "+e+" is not yet supported");if(1===e)return "imod(resRC, "+t[0]+")";for(var n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],r=[],i=0;i<t.length;i++){r.push("imod("+n[i]+", "+t[i]+")");}return r.join();}(t);this.userCode="\n      void main() {\n        "+i+" resRC = getOutputCoords();\n        setOutput(getA("+o+"));\n      }\n    ";}(t.shape,e);return this.compileAndRun(r,[t]);},e.prototype.pad=function(t,e,n){var r=f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new function(t,e,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e.map(function(e,n){return e[0]+t[n]+e[1];});for(var r=t.length,i=sa(r),o=e.map(function(t){return t[0];}).join(","),a=e.map(function(e,n){return e[0]+t[n];}).join(","),s=Xo("rc",r),u=Xo("source",r),c=s[r-1]+" < "+this.outputShape[r-1],l=1===r?"source":"vec2("+u.slice(-2).join()+")",f=[i+" rc = outputLoc;",s[r-1]+" += 1;\n       if("+c+") {\n      ",1===r?"":"}\n       rc = outputLoc;\n       "+s[r-2]+" += 1;\n       if("+s[r-2]+" < "+this.outputShape[r-2]+") {",1===r?"":"  "+s[r-1]+" += 1;\n         if("+c+") {"],h=1===r?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",d="",p=0,m=1===r?2:4;p<m;p++){d+="\n        "+f[p]+"\n        if ("+h+") {\n          result["+p+"] = float("+n+");\n        } else {\n          "+i+" source = rc - start;\n          result["+p+"] = getChannel(getX("+u.join()+"), "+l+");\n        }\n      ";}d+=1===r?"} ":"}}",this.userCode="\n      const "+i+" start = "+i+"("+o+");\n      const "+i+" end = "+i+"("+a+");\n\n      void main() {\n        "+i+" outputLoc = getOutputCoords();\n        vec4 result = vec4(0.);\n        "+d+"\n        setOutput(result);\n      }\n    ";}(t.shape,e,n):new function(t,e,n){this.variableNames=["x"],this.outputShape=e.map(function(e,n){return e[0]+t[n]+e[1];});var r=t.length,i=sa(r),o=e.map(function(t){return t[0];}).join(","),a=e.map(function(e,n){return e[0]+t[n];}).join(","),s=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r);this.userCode=1!==r?"\n      "+i+" start = "+i+"("+o+");\n      "+i+" end = "+i+"("+a+");\n\n      void main() {\n        "+i+" outC = getOutputCoords();\n        if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {\n          setOutput(float("+n+"));\n        } else {\n          "+i+" coords = outC - start;\n          setOutput(getX("+s+"));\n        }\n      }\n    ":"\n        int start = "+o+";\n        int end = "+a+";\n\n        void main() {\n          int outC = getOutputCoords();\n          if (outC < start || outC >= end) {\n            setOutput(float("+n+"));\n          } else {\n            setOutput(getX(outC - start));\n          }\n        }\n      ";}(t.shape,e,n);return this.compileAndRun(r,[t]);},e.prototype.gather=function(t,e,n){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.gather(t,e,n);var r=new function(t,e,n){this.variableNames=["A","indices"];var r=t.slice();r[n]=e,this.outputShape=r,this.rank=r.length;var i=sa(this.rank),o=function(t,e){var n=t.length;if(n>4)throw Error("Gather for rank "+n+" is not yet supported");if(1===n)return "int(getIndices(resRC))";for(var r=["resRC.x","resRC.y","resRC.z","resRC.w"],i=[],o=0;o<t.length;o++){o===e?i.push("int(getIndices("+r[o]+"))"):i.push(""+r[o]);}return i.join();}(t,n);this.userCode="\n      void main() {\n        "+i+" resRC = getOutputCoords();\n        setOutput(getA("+o+"));\n      }\n    ";}(t.shape,e.size,n);return this.compileAndRun(r,[t,e]);},e.prototype.batchToSpaceND=function(t,e,n){_(t.rank<=4,function(){return "batchToSpaceND for rank > 4 with a WebGL backend not implemented yet";});var r=e.reduce(function(t,e){return t*e;}),i=yr(t.shape,e,r),o=br(i.length,e.length),a=xr(t.shape,e,r),s=wr(n,e.length),u=kr(a,n,e.length);return fo(t.reshape(i),o).reshape(a).slice(s,u);},e.prototype.spaceToBatchND=function(t,e,n){_(t.rank<=4,function(){return "spaceToBatchND for rank > 4 with a WebGL backend not implemented yet";});var r=e.reduce(function(t,e){return t*e;}),i=[[0,0]];i.push.apply(i,n);for(var o=1+e.length;o<t.shape.length;++o){i.push([0,0]);}var a=t.pad(i),s=yr(a.shape,e,r,!1),u=br(s.length,e.length,!1),c=xr(a.shape,e,r,!1);return fo(a.reshape(s),u).reshape(c);},e.prototype.reduce=function(t,e,n){var r=t.shape[0],i=t.shape[1],o=new function(t,e){this.variableNames=["x"];var n=t.windowSize,r=t.batchSize,i=t.inSize,o=Math.ceil(i/n);this.outputShape=[r,o];var a="0.0",s="";"prod"===e?a="1.0":"min"===e?(a="1.0 / 1e-20",s="min"):"max"===e&&(a="-1.0 / 1e-20",s="max");var u=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"sum"===e?u="sumValue":"prod"===e?u="prodValue":"all"===e?u="allValue":"any"===e&&(u="anyValue");var c=4*Math.floor(n/4),l=n%4,f="\n      if ("+("sum"===e)+") {\n        sumValue += dot(values, ones);\n      } else if ("+("prod"===e)+") {\n        vec2 tmp = vec2(values[0], values[1]) * vec2(values[2], values[3]);\n        prodValue *= tmp[0] * tmp[1];\n      } else {\n        minMaxValue = "+s+"(values, minMaxValue);\n      }\n    ",h="vec4";"all"===e?(a="1.0",f="\n        bool reducedAllValue = all(values);\n        float floatedReducedAllValue = float(reducedAllValue);\n        allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);\n      ",h="bvec4"):"any"===e&&(a="0.0",f="\n        bool reducedAnyValue = any(values);\n        float floatedReducedAnyValue = float(reducedAnyValue);\n        anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);\n      ",h="bvec4");var d="";i%n>0&&(d="\n        if (inIdx < 0 || inIdx >= "+i+") {\n          return initializationValue;\n        }\n      "),this.userCode="\n      const float initializationValue = "+a+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float getValue(int batch, int inIdx) {\n        "+d+"\n        return getX(batch, inIdx);\n      }\n\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n        int outIdx = coords[1];\n        int inOffset = outIdx * "+n+";\n\n        vec4 minMaxValue = vec4("+a+");\n        float prodValue = 1.0;\n        float sumValue = 0.0;\n        float allValue = 1.0;\n        float anyValue = 0.0;\n\n        for (int i = 0; i < "+c+"; i += 4) {\n          int inIdx = inOffset + i;\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            getValue(batch, inIdx + 3)\n          );\n\n          "+f+"\n        }\n\n        int inIdx = inOffset + "+c+";\n        if ("+(1===l)+") {\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            initializationValue,\n            initializationValue,\n            initializationValue\n          );\n\n          "+f+"\n        } else if ("+(2===l)+") {\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            initializationValue,\n            initializationValue\n          );\n\n          "+f+"\n        } else if ("+(3===l)+") {\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            initializationValue\n          );\n\n          "+f+"\n        }\n        setOutput("+u+");\n      }\n    ";}({windowSize:Vi(i),inSize:i,batchSize:r},e),a=this.compileAndRun(o,[t],n);return 1===a.shape[1]?a:this.reduce(a,e,n);},e.prototype.argReduce=function(t,e,n){void 0===n&&(n=null);var r=t.shape[0],i=t.shape[1];null!=n&&(r=n.shape[0],i=n.shape[1]);var o=new function(t,e,n){this.variableNames=["A"];var r=t.windowSize,i=t.batchSize,o=t.inSize,a=Math.ceil(o/r);n||this.variableNames.push("bestIndicesA"),this.outputShape=[i,a];var s="max"===e?">":"<",u=n?"inOffset + i;":"round(getBestIndicesA(batch, inOffset + i));";this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n        int outIdx = coords[1];\n        int inOffset = outIdx * "+r+";\n\n        int bestIndex = inOffset;\n        float bestValue = getA(batch, bestIndex);\n\n        for (int i = 0; i < "+r+"; i++) {\n          int inIdx = "+u+";\n          float candidate = getA(batch, inIdx);\n          if (candidate "+s+" bestValue) {\n            bestValue = candidate;\n            bestIndex = inIdx;\n          }\n        }\n        setOutput(float(bestIndex));\n      }\n    ";}({windowSize:Vi(i),inSize:i,batchSize:r},e,null==n),a=[t];null!=n&&a.push(n);var s=this.compileAndRun(o,a,"int32");return 1===s.shape[1]?s:this.argReduce(t,e,s);},e.prototype.argReducePacked=function(t,e,n){void 0===n&&(n=null);var r=null!=n?n.shape:t.shape,i=new function(t,e,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,_(t.length>2,function(){return "Packed arg"+(n.charAt(0).toUpperCase()+n.slice(1))+" supports only inputs with rank above 2.";});var i=t[t.length-1],o=Math.ceil(i/e);this.outputShape=t.slice(0,-1),o>1&&this.outputShape.push(o),r||this.variableNames.push("bestIndicesA");var a,s,u=this.outputShape,c=u.length,l=sa(c),f=Xo("coords",c);if(1===o){var h=sa(s=c+1);a="\n        "+h+" sourceLocR = "+h+"("+f.join()+", 0);\n        ++"+f[c-1]+";\n        "+h+" sourceLocG = "+h+"("+f.join()+", 0);\n        ++"+f[c-2]+";\n        "+h+" sourceLocA = "+h+"("+f.join()+", 0);\n        --"+f[c-1]+";\n        "+h+" sourceLocB = "+h+"("+f.join()+", 0);\n        --"+f[c-2]+";";}else s=c,a="\n        "+l+" sourceLocR = coords;\n        ++"+f[c-1]+";\n        "+l+" sourceLocG = coords;\n        ++"+f[c-2]+";\n        "+l+" sourceLocA = coords;\n        --"+f[c-1]+";\n        "+l+" sourceLocB = coords;\n        --"+f[c-2]+";";var d=["x","y","z","w","u","v"].slice(0,s),p="."+d[s-1],m=d.map(function(t){return "int "+t;}),g=Xo("sourceLocR",s-1).concat("inIdx.r"),v=Xo("sourceLocG",s-1).concat("inIdx.g"),y=Xo("sourceLocB",s-1).concat("inIdx.b"),b=Xo("sourceLocA",s-1).concat("inIdx.a"),x="max"===n?"greaterThan":"lessThan",w=r?"":"\n          inIdx = round(vec4(getBestIndicesAChannel("+g.join()+"),\n                             getBestIndicesAChannel("+v.join()+"),\n                             getBestIndicesAChannel("+y.join()+"),\n                             getBestIndicesAChannel("+b.join()+")));",k="vec4(\n            getAChannel("+g.join()+"),\n            hasNextCol ? getAChannel("+v.join()+") : 0.,\n            hasNextRow ? getAChannel("+y.join()+") : 0.,\n            hasNextRow && hasNextCol ? getAChannel("+b.join()+") : 0.)",E=r?"":"\n      float getBestIndicesAChannel("+m.join()+") {\n        return getChannel(getBestIndicesA("+d.join()+"),\n                                          vec2("+d.slice(-2).join()+"));\n      }";this.userCode="\n      float getAChannel("+m.join()+") {\n        return getChannel(getA("+d.join()+"),\n                               vec2("+d.slice(-2).join()+"));\n      }\n      "+E+"\n      void main() {\n        "+l+" coords = getOutputCoords();\n        bool hasNextCol = "+f[c-1]+" < "+(u[c-1]-1)+";\n        bool hasNextRow = "+f[c-2]+" < "+(u[c-2]-1)+";\n        "+a+"\n        ivec4 srcIdx = ivec4(sourceLocR"+p+", sourceLocG"+p+",\n          sourceLocB"+p+", sourceLocA"+p+") * "+e+";\n        ivec4 inIdx = srcIdx;\n        vec4 bestIndex = vec4(inIdx);\n        vec4 bestValue = "+k+";\n\n        for (int i = 0; i < "+e+"; i++) {\n          inIdx = srcIdx;\n          "+w+"\n          vec4 candidate = "+k+";\n          bvec4 nan = isnan(candidate);\n          bvec4 replace = bvec4(\n            vec4("+x+"(candidate, bestValue)) * (vec4(1.0) - vec4(nan)));\n\n          bestValue = vec4(replace.x  ? candidate.x : bestValue.x,\n                           replace.y  ? candidate.y : bestValue.y,\n                           replace.z  ? candidate.z : bestValue.z,\n                           replace.w  ? candidate.w : bestValue.w);\n          bestIndex = mix(bestIndex, vec4(inIdx), vec4(replace));\n          srcIdx++;\n        }\n        setOutput(bestIndex);\n      }\n    ";}(r,Vi(r[r.length-1]),e,null==n),o=null==n?[t]:[t,n],a=this.compileAndRun(i,o,"int32");return a.rank===t.rank?this.argReducePacked(t,e,a):a;},e.prototype.sum=function(t,e){On("sum",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i),a=Rt(t.dtype);return this.reduce(o,"sum",a).reshape(r);},e.prototype.prod=function(t,e){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.prod(t,e);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i),a=Rt(t.dtype);return this.reduce(o,"prod",a).reshape(r);},e.prototype.unsortedSegmentSum=function(t,e,n){var r=0,i=_n([r],t.rank),o=t;null!=i&&(o=fo(t,i),r=Dn(1,t.rank)[0]);var a=function(t,e,n){for(var r=[],i=t.length,o=0;o<i;o++){o!==e?r.push(t[o]):r.push(n);}return r;}(o.shape,r,n),s=T([o.shape[r]]),u=o.as2D(-1,s),c=Rt(t.dtype),l=this.segOpCompute(u,"unsortedSegmentSum",e,c,n).reshape(a);return null!=i&&(l=fo(l,Sn(i))),l;},e.prototype.segOpCompute=function(t,e,n,r,i){var o=t.shape[0],a=t.shape[1],s=function(t,e){var n,r=!1;for(t<=Wi?(n=t,r=!0):n=tt(t,Math.floor(Math.sqrt(t)));!r;){n>e||n===t?r=!0:n=tt(t,n+1);}return n;}(a,i),u=new function(t,e){this.variableNames=["x","segmentIds"];var n=t.windowSize,r=t.batchSize,i=t.inSize,o=t.numSegments,a=o*Math.ceil(i/n);this.outputShape=[r,a];var s=4*Math.floor(n/4),u=n%4,c="\n        sumValue += dot(values, segFilter);\n    ",l="";i%n>0&&(l="\n        if (inIdx < 0 || inIdx >= "+i+") {\n          return initializationValue;\n        }\n      ");var f="";i%n>0&&(f="\n        if (inIdx < 0 || inIdx >= "+i+") {\n          return -1.0;\n        }\n      "),this.userCode="\n      const float initializationValue = 0.0;\n\n      float getValue(int batch, int inIdx) {\n        "+l+"\n        return getX(batch, inIdx);\n      }\n\n      float getSegmentIdAtIndex(int inIdx) {\n        "+f+"\n        return getSegmentIds(inIdx);\n      }\n\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n        int outIdx = coords[1];\n        int inOffset = int(floor(float(outIdx) / float(\n          "+o+")) * float("+n+"));\n        int currentSeg = int(mod(float(outIdx), float("+o+")));\n\n        float sumValue = 0.0;\n\n        for (int i = 0; i < "+s+"; i += 4) {\n          int inIdx = inOffset + i;\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            getValue(batch, inIdx + 3)\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 3)) == currentSeg ? 1 : 0\n          );\n\n          "+c+"\n        }\n\n        int inIdx = inOffset + "+s+";\n        if ("+(1===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            initializationValue,\n            initializationValue,\n            initializationValue\n          );\n\n          int inIdxSeg = int(getSegmentIdAtIndex(inIdx));\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            0,\n            0,\n            0\n          );\n\n          "+c+"\n        } else if ("+(2===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            initializationValue,\n            initializationValue\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n              0,\n              0\n          );\n\n          "+c+"\n        } else if ("+(3===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            initializationValue\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,\n            0\n          );\n\n          "+c+"\n        }\n        setOutput(sumValue);\n      }\n    ";}({windowSize:s,inSize:a,batchSize:o,numSegments:i},e),c=this.compileAndRun(u,[t,n],r);return c.shape[1]===i?c:(n=Yn(0,i).tile([a/s]),this.segOpCompute(c,e,n,r,i));},e.prototype.argMinMaxReduce=function(t,e,n){var r=[e];if(On("arg"+n.charAt(0).toUpperCase()+n.slice(1),r,t.rank),!f().getBool("WEBGL_PACK_REDUCE")||t.rank<=2){var i=Cn(t.shape,r),o=i[0],a=T(i[1]),s=t.as2D(-1,a);return this.argReduce(s,n).reshape(o);}return this.argReducePacked(t,n);},e.prototype.argMin=function(t,e){return this.argMinMaxReduce(t,e,"min");},e.prototype.argMax=function(t,e){return this.argMinMaxReduce(t,e,"max");},e.prototype.cumsum=function(t,e,n,r){if(e!==t.rank-1)throw new Error("WebGL cumsum shader expects an inner-most axis="+(t.rank-1)+" but got axis="+e);var i=new function(t,e,n){this.variableNames=["x"],this.outputShape=t;var r=t.length,i=t[t.length-1],o=n?"<":">";this.userCode="\n      int getIndex(int i) {\n        "+(n?"return "+i+" -i - 1;":"return i;")+"\n      }\n\n      void main() {\n        "+sa(r)+" coords = getOutputCoords();\n        int end = "+Ca(r,"coords")+";\n        float val = 0.0;\n        for (int i = "+i+" - 1; i >= 0; i -= 1) {\n          int idx = getIndex(i);\n          if (idx "+o+" end) {\n            continue;\n          }\n          if (idx == end && "+e+") {\n            continue;\n          }\n          "+Ca(r,"coords")+" = idx;\n          val += getX("+function(t,e){if(1===t)return ""+e;if(2===t)return e+".x, "+e+".y";if(3===t)return e+".x, "+e+".y, "+e+".z";if(4===t)return e+".x, "+e+".y, "+e+".z, "+e+".w";throw Error("Cumulative sum for rank "+t+" is not yet supported");}(r,"coords")+");\n        }\n        setOutput(val);\n      }\n    ";}(t.shape,n,r);return this.compileAndRun(i,[t]);},e.prototype.equal=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(equal(a, b));\n","bool");var n=new ma("return float(a == b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.notEqual=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(notEqual(a, b));\n","bool");var n=new ma("return float(a != b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.less=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.less(t,e);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(lessThan(a, b));\n","bool");var n=new ma("return float(a < b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.lessEqual=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(lessThanEqual(a, b));\n","bool");var n=new ma("return float(a <= b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.greater=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.greater(t,e);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(greaterThan(a, b));\n","bool");var n=new ma("return float(a > b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.greaterEqual=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(greaterThanEqual(a, b));\n","bool");var n=new ma("return float(a >= b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.logicalNot=function(t){var e=new ss(t.shape,"return float(!(x >= 1.0));");return this.compileAndRun(e,[t]);},e.prototype.logicalAnd=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(\n    vec4(greaterThanEqual(a, vec4(1.0))) *\n    vec4(greaterThanEqual(b, vec4(1.0))));\n","bool");var n=new ma("return float(a >= 1.0 && b >= 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.logicalOr=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return min(\n    vec4(greaterThanEqual(a, vec4(1.0))) +\n    vec4(greaterThanEqual(b, vec4(1.0))),\n    vec4(1.0));\n","bool");var n=new ma("return float(a >= 1.0 || b >= 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.select=function(t,e,n){var r=new function(t,e,n){var r,i;if(this.variableNames=["c","a","b"],this.outputShape=e,n>4)throw Error("Where for rank "+n+" is not yet supported");if(1===n)i="resRC",r="resRC";else {for(var o=["resRC.x","resRC.y","resRC.z","resRC.w"],a=[],s=[],u=0;u<e.length;u++){s.push(""+o[u]),u<t&&a.push(""+o[u]);}r=a.join(),i=s.join();}var c=sa(n);this.userCode="\n      void main() {\n        "+c+" resRC = getOutputCoords();\n        float cVal = getC("+r+");\n        if (cVal >= 1.0) {\n          setOutput(getA("+i+"));\n        } else {\n          setOutput(getB("+i+"));\n        }\n      }\n    ";}(t.rank,e.shape,e.rank);return this.compileAndRun(r,[t,e,n],It(e.dtype,n.dtype));},e.prototype.where=function(t){vn("tf.where() in webgl locks the UI thread. Call tf.whereAsync() instead");var e=t.dataSync();return Go(t.shape,e);},e.prototype.topk=function(t,e,n){return Ho(t.dataSync(),t.shape,t.dtype,e);},e.prototype.min=function(t,e){On("min",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i);return this.reduce(o,"min",o.dtype).reshape(r);},e.prototype.minimum=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.minimum(t,e);var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new va("\n  vec4 result = vec4(min(a, b));\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new ma("\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return min(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.mod=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new va("\n  vec4 result = mod(a, b);\n  vec4 isNaN = vec4(equal(b, vec4(0.0)));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new ma("if (b == 0.0) return NAN;\n  return mod(a, b);",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.max=function(t,e){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.max(t,e);On("max",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i);return this.reduce(o,"max",o.dtype).reshape(r);},e.prototype.maximum=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.maximum(t,e);var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new va("\n  vec4 result = vec4(max(a, b));\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new ma("\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return max(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.all=function(t,e){On("all",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i);return this.reduce(o,"all",o.dtype).reshape(r);},e.prototype.any=function(t,e){On("any",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i);return this.reduce(o,"any",o.dtype).reshape(r);},e.prototype.floorDiv=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  ivec4 ia = round(a);\n  ivec4 ib = round(b);\n  bvec4 cond = notEqual(ib, ivec4(0));\n  ivec4 result = ivec4(0);\n  vec4 s = sign(a) * sign(b);\n\n  // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n  if (cond[0]) {\n    result[0] = idiv(ia[0], ib[0], s[0]);\n  }\n  if (cond[1]) {\n    result[1] = idiv(ia[1], ib[1], s[1]);\n  }\n  if (cond[2]) {\n    result[2] = idiv(ia[2], ib[2], s[2]);\n  }\n  if (cond[3]) {\n    result[3] = idiv(ia[3], ib[3], s[3]);\n  }\n  return vec4(result);\n","int32");var n=new ma("\n  float s = sign(a) * sign(b);\n  int ia = round(a);\n  int ib = round(b);\n  if (ib != 0) {\n    // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n    return float(idiv(ia, ib, s));\n  } else {\n    return NAN;\n  }\n",t.shape,e.shape);return this.compileAndRun(n,[t,e],"int32");},e.prototype.add=function(t,e){if("complex64"===t.dtype&&"complex64"===e.dtype)return this.complexSeparableBinaryOp(t,e,fa);if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.add(t,e);var n=It(t.dtype,e.dtype);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,fa,n);var r=new ma(fa,t.shape,e.shape);return this.compileAndRun(r,[t,e],n);},e.prototype.packedUnaryOp=function(t,e,n){var r=new Cs(t.shape,e);return this.compileAndRun(r,[t],n);},e.prototype.packedBinaryOp=function(t,e,n,r,i){void 0===i&&(i=!1);var o=new va(n,t.shape,e.shape,i);return this.compileAndRun(o,[t,e],r);},e.prototype.complexSeparableBinaryOp=function(t,e,n){var r=this,i=this.texData.get(t.dataId),o=this.texData.get(e.dataId),a=[[i.complexTensors.real,o.complexTensors.real],[i.complexTensors.imag,o.complexTensors.imag]].map(function(i){var o=i[0],a=i[1],s=r.makeComplexComponentTensorInfo(t,o),u=r.makeComplexComponentTensorInfo(e,a),c=new ma(n,t.shape,e.shape);return r.compileAndRun(c,[s,u],It(o.dtype,a.dtype));}),s=a[0],u=a[1],c=this.complex(s,u);return s.dispose(),u.dispose(),c;},e.prototype.makeComplexComponentTensorInfo=function(t,e){return {dataId:e.dataId,dtype:e.dtype,shape:t.shape};},e.prototype.addN=function(t){if(1===t.length)return t[0];if(t.length>f().get("WEBGL_MAX_TEXTURES_IN_SHADER")){var e=Math.floor(t.length/2),n=this.addN(t.slice(0,e)),r=this.addN(t.slice(e));return this.addN([n,r]);}var i=t.map(function(t){return t.dtype;}).reduce(function(t,e){return It(t,e);}),o=t.map(function(t){return t.shape;}),a=f().getBool("WEBGL_PACK")?new function(t,e){this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.variableNames=e.map(function(t,e){return "T"+e;});var n=[];this.variableNames.forEach(function(t){n.push("vec4 v"+t+" = get"+t+"AtOutCoords();");});var r=this.variableNames.map(function(t){return "v"+t;}).join(" + ");this.userCode="\n      void main() {\n        "+n.join("\n        ")+"\n\n        vec4 result = "+r+";\n        setOutput(result);\n      }\n    ";}(t[0].shape,o):new function(t,e){this.outputShape=[],this.outputShape=t,this.variableNames=e.map(function(t,e){return "T"+e;});var n=[];this.variableNames.forEach(function(t){n.push("float v"+t+" = get"+t+"AtOutCoords();");});var r=this.variableNames.map(function(t){return "v"+t;}).join(" + ");this.userCode="\n      void main() {\n        "+n.join("\n        ")+"\n\n        float result = "+r+";\n        setOutput(result);\n      }\n    ";}(t[0].shape,o);return this.compileAndRun(a,t,i);},e.prototype.subtract=function(t,e){if("complex64"===t.dtype&&"complex64"===e.dtype)return this.complexSeparableBinaryOp(t,e,ha);if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.subtract(t,e);var n=It(t.dtype,e.dtype);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,ha,t.dtype);var r=new ma(ha,t.shape,e.shape);return this.compileAndRun(r,[t,e],n);},e.prototype.pow=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new va("\n  // isModRound1 has 1 for components with round(mod(b, 2.0)) == 1, 0 otherwise.\n  vec4 isModRound1 = vec4(equal(round(mod(b, 2.0)), ivec4(1)));\n  vec4 multiplier = sign(a) * isModRound1 + (vec4(1.0) - isModRound1);\n  vec4 result = multiplier * pow(abs(a), b);\n\n  // Ensure that a^0 = 1, including 0^0 = 1 as this correspond to TF and JS\n  bvec4 isExpZero = equal(b, vec4(0.0));\n  result.r = isExpZero.r ? 1.0 : result.r;\n  result.g = isExpZero.g ? 1.0 : result.g;\n  result.b = isExpZero.b ? 1.0 : result.b;\n  result.a = isExpZero.a ? 1.0 : result.a;\n\n  vec4 isNaN = vec4(lessThan(a, vec4(0.0))) * vec4(lessThan(floor(b), b));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new ma("\nif(a < 0.0 && floor(b) < b){\n  return NAN;\n}\nif (b == 0.0) {\n  return 1.0;\n}\nreturn (round(mod(b, 2.0)) != 1) ?\n    pow(abs(a), b) : sign(a) * pow(abs(a), b);\n",t.shape,e.shape),r=It(t.dtype,e.dtype);return this.compileAndRun(n,[t,e],r);},e.prototype.ceil=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.ceil(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,ms,t.dtype);var e=new ss(t.shape,ms);return this.compileAndRun(e,[t]);},e.prototype.floor=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.floor(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,gs,t.dtype);var e=new ss(t.shape,gs);return this.compileAndRun(e,[t]);},e.prototype.sign=function(t){var e=new ss(t.shape,"\n  if (isnan(x)) { return 0.0; }\n  return sign(x);\n");return this.compileAndRun(e,[t]);},e.prototype.isNaN=function(t){var e=new ss(t.shape,"return float(isnan(x));");return this.compileAndRun(e,[t],"bool");},e.prototype.isInf=function(t){var e=new ss(t.shape,"return float(isinf(x));");return this.compileAndRun(e,[t],"bool");},e.prototype.isFinite=function(t){var e=new ss(t.shape,"return float(!isnan(x) && !isinf(x));");return this.compileAndRun(e,[t],"bool");},e.prototype.round=function(t){var e=new ss(t.shape,"\n  // OpenGL ES does not support round function.\n  // The algorithm is based on banker's rounding.\n  float base = floor(x);\n  if ((x - base) < 0.5) {\n    return floor(x);\n  } else if ((x - base) > 0.5) {\n    return ceil(x);\n  } else {\n    if (mod(base, 2.0) == 0.0) {\n      return base;\n    } else {\n      return base + 1.0;\n    }\n  }\n");return this.compileAndRun(e,[t]);},e.prototype.exp=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.exp(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,vs,t.dtype);var e=new ss(t.shape,vs);return this.compileAndRun(e,[t]);},e.prototype.expm1=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.expm1(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,ys,t.dtype);var e=new ss(t.shape,ys);return this.compileAndRun(e,[t]);},e.prototype.softmax=function(t,e){var n=L([e],t.shape),r=this.max(t,n),i=An(r.shape,n),o=this.subtract(t,r.reshape(i)),a=this.exp(o),s=this.sum(a,n).reshape(i);return Li(a,s);},e.prototype.log=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.log(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,"\n  vec4 result = log(x);\n  vec4 isNaN = vec4(lessThan(x, vec4(0.0)));\n  result.r = isNaN.r == 1.0 ? NAN : result.r;\n  result.g = isNaN.g == 1.0 ? NAN : result.g;\n  result.b = isNaN.b == 1.0 ? NAN : result.b;\n  result.a = isNaN.a == 1.0 ? NAN : result.a;\n\n  return result;\n",t.dtype);var e=new ss(t.shape,"if (x < 0.0) return NAN;\n  return log(x);");return this.compileAndRun(e,[t]);},e.prototype.log1p=function(t){var e=new ss(t.shape,"return log(1.0 + x);");return this.compileAndRun(e,[t]);},e.prototype.sqrt=function(t){var e=new ss(t.shape,"return sqrt(x);");return this.compileAndRun(e,[t]);},e.prototype.rsqrt=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.rsqrt(t);var e=new ss(t.shape,"return inversesqrt(x);");return this.compileAndRun(e,[t]);},e.prototype.reciprocal=function(t){var e=new ss(t.shape,"return 1.0 / x;");return this.compileAndRun(e,[t]);},e.prototype.relu=function(t){var e;return e=f().getBool("WEBGL_PACK")?new Cs(t.shape,ws):new ss(t.shape,fs),this.compileAndRun(e,[t]);},e.prototype.relu6=function(t){var e;return e=f().getBool("WEBGL_PACK")?new Cs(t.shape,ks):new ss(t.shape,hs),this.compileAndRun(e,[t]);},e.prototype.prelu=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new va(ga,t.shape,e.shape):new ma(pa,t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.elu=function(t){if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Es,t.dtype);var e=new ss(t.shape,ds);return this.compileAndRun(e,[t]);},e.prototype.eluDer=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new va("\n  vec4 bGTEZero = vec4(greaterThanEqual(b, vec4(0.)));\n  return (bGTEZero * a) + ((vec4(1.0) - bGTEZero) * (a * (b + vec4(1.0))));\n",t.shape,e.shape):new ma("return (b >= 1.0) ? a : a * (b + 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.selu=function(t){var e=new ss(t.shape,"\n  // Stable and Attracting Fixed Point (0, 1) for Normalized Weights.\n  // see: https://arxiv.org/abs/1706.02515\n  float scaleAlpha = 1.7580993408473768;\n  float scale = 1.0507009873554805;\n  return (x >= 0.0) ? scale * x : scaleAlpha * (exp(x) - 1.0);\n");return this.compileAndRun(e,[t]);},e.prototype.int=function(t){var e=new ss(t.shape,"return float(int(x));");return this.compileAndRun(e,[t],"int32");},e.prototype.clip=function(t,e,n){var r,i=(r=f().getBool("WEBGL_PACK_CLIP")?new ba(t.shape):new ya(t.shape)).getCustomSetupFunc(e,n);return this.compileAndRun(r,[t],null,i);},e.prototype.abs=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.abs(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,ls,t.dtype);var e=new ss(t.shape,ls);return this.compileAndRun(e,[t]);},e.prototype.complexAbs=function(t){var e=this.texData.get(t.dataId),n=new function(t){this.variableNames=["real","imag"],this.outputShape=t,this.userCode="\n      void main() {\n        float re = abs(getRealAtOutCoords());\n        float im = abs(getImagAtOutCoords());\n        float mx = max(re, im);\n\n        // sadly the length function in glsl is not underflow-safe\n        // (at least not on Intel GPUs). So the safe solution is\n        // to ensure underflow-safety in all cases.\n        setOutput(\n          mx == 0.0 ? 0.0 : mx * length(vec2(1, min(re, im)/mx))\n        );\n      }\n    ";}(t.shape),r=[this.makeComplexComponentTensorInfo(t,e.complexTensors.real),this.makeComplexComponentTensorInfo(t,e.complexTensors.imag)];return this.compileAndRun(n,r);},e.prototype.sigmoid=function(t){var e=new ss(t.shape,"return 1.0 / (1.0 + exp(-1.0 * x));");return this.compileAndRun(e,[t]);},e.prototype.softplus=function(t){var e=new ss(t.shape,"\n  float epsilon = 1.1920928955078125e-7;\n  float threshold = log(epsilon) + 2.0;\n\n  bool too_large = x > -threshold;\n  bool too_small = x < threshold;\n\n  float result;\n  float exp_x = exp(x);\n\n  if (too_large){\n    result = x;\n  }\n  else if (too_small){\n    result = exp_x;\n  }\n  else{\n    result = log(exp_x + 1.0);\n  }\n  return result;\n");return this.compileAndRun(e,[t]);},e.prototype.sin=function(t){var e=new ss(t.shape,"if (isnan(x)) return x;\n  return sin(x);\n");return this.compileAndRun(e,[t]);},e.prototype.cos=function(t){var e=new ss(t.shape,"if (isnan(x)) return x;\n  return cos(x);\n");return this.compileAndRun(e,[t]);},e.prototype.tan=function(t){var e=new ss(t.shape,"return tan(x);");return this.compileAndRun(e,[t]);},e.prototype.asin=function(t){var e=new ss(t.shape,"if (isnan(x)) return x;\n  if (abs(x) > 1.) {\n    return NAN;\n  }\n  return asin(x);\n");return this.compileAndRun(e,[t]);},e.prototype.acos=function(t){var e=new ss(t.shape,"if (isnan(x)) return x;\n  if (abs(x) > 1.) {\n    return NAN;\n  }\n  return acos(x);\n");return this.compileAndRun(e,[t]);},e.prototype.atan=function(t){var e=new ss(t.shape,"if (isnan(x)) return x;\n  return atan(x);\n");return this.compileAndRun(e,[t]);},e.prototype.atan2=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new va("\n  vec4 result = atan(a, b);\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new ma("\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return atan(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.sinh=function(t){var e=new ss(t.shape,"\n  float e2x = exp(x);\n  return (e2x - 1.0 / e2x) / 2.0;\n");return this.compileAndRun(e,[t]);},e.prototype.cosh=function(t){var e=new ss(t.shape,"\n  float e2x = exp(-x);\n  return (e2x + 1.0 / e2x) / 2.0;\n");return this.compileAndRun(e,[t]);},e.prototype.tanh=function(t){var e=new ss(t.shape,"\n  float e2x = exp(-2.0 * abs(x));\n  return sign(x) * (1.0 - e2x) / (1.0 + e2x);\n");return this.compileAndRun(e,[t]);},e.prototype.asinh=function(t){var e=new ss(t.shape,"if (isnan(x)) return x;return log(x + sqrt(x * x + 1.0));");return this.compileAndRun(e,[t]);},e.prototype.acosh=function(t){var e=new ss(t.shape,"if (isnan(x)) return x;\n  if (x < 1.0) return NAN;\n  return log(x + sqrt(x * x - 1.0));");return this.compileAndRun(e,[t]);},e.prototype.atanh=function(t){var e=new ss(t.shape,"if (isnan(x)) return x;\n  if ((x < -1.0) || (x > 1.0)) return NAN;\n  return (log(1.0 + x) - log(1.0 - x)) / 2.0;");return this.compileAndRun(e,[t]);},e.prototype.erf=function(t){var e=new ss(t.shape,'\n  // Error function is calculated approximately with elementary function.\n  // See "Handbook of Mathematical Functions with Formulas,\n  // Graphs, and Mathematical Tables", Abramowitz and Stegun.\n  float p = 0.3275911;\n  float a1 = 0.254829592;\n  float a2 = -0.284496736;\n  float a3 = 1.421413741;\n  float a4 = -1.453152027;\n  float a5 = 1.061405429;\n\n  float sign = sign(x);\n  x = abs(x);\n  float t = 1.0 / (1.0 + p * x);\n  return sign * (1.0 - (((((a5*t + a4)*t) + a3)*t + a2)*t + a1)*t*exp(-x*x));\n');return this.compileAndRun(e,[t]);},e.prototype.step=function(t,e){var n=new ss(t.shape,function(t){return void 0===t&&(t=0),us+"\n    return x > 0.0 ? 1.0 : float("+t+");\n  ";}(e));return this.compileAndRun(n,[t]);},e.prototype.conv2dByMatMul=function(t,e,n,r,i,o){var a=t.shape,s=this.texData.get(t.dataId),u=n.inChannels,c=a[0]*a[1]*a[2],l=n.outChannels,h="channelsLast"===n.dataFormat,d=(1===c||1===l)&&u>1e3,p=a[2]%2!=0&&!!s.isPacked;if(d||!f().getBool("WEBGL_LAZILY_UNPACK")||!f().getBool("WEBGL_PACK_BINARY_OPERATIONS")||!p){var m=h?a[0]*a[1]*a[2]:a[0]*a[2]*a[3],g=this.reshape(t,[1,m,n.inChannels]),v=this.reshape(e,[1,n.inChannels,n.outChannels]);return this.reshape(this.fusedBatchMatMul({a:g,b:v,transposeA:!1,transposeB:!1,bias:r,activation:i,preluActivationWeights:o}),n.outShape);}var y=h?a[0]*a[1]*(a[2]+1):a[0]*a[2]*(a[3]+1),b={dataId:t.dataId,shape:[1,y,n.inChannels],dtype:t.dtype},x=s.shape;s.shape=s.shape.slice(),s.shape[s.shape.length-2]++,_(Be(s.shape,b.shape),function(){return "packed reshape "+s.shape+" to "+b.shape+" isn't free";});var w=this.reshape(e,[1,n.inChannels,n.outChannels]),k=this.fusedBatchMatMul({a:b,b:w,transposeA:!1,transposeB:!1,bias:r,activation:i,preluActivationWeights:o}),E=this.texData.get(k.dataId);return _(E.isPacked,function(){return "batchMatMul result is expected to be packed";}),s.shape=x,E.shape=n.outShape,Wt.makeTensorFromDataId(k.dataId,n.outShape,k.dtype);},e.prototype.conv2dWithIm2Row=function(t,e,n,r,i,o){var a=n.filterWidth,s=n.filterHeight,u=n.inChannels,c=n.outWidth,l=n.outHeight,f="channelsLast"===n.dataFormat,h=a*s*u,d=l*c,p=[h,d],m=t.squeeze([0]),g=e.reshape([1,h,-1]),v=new function(t,e,n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t;for(var r=n.filterWidth,i=n.inChannels,o=n.strideWidth,a=n.strideHeight,s=n.padInfo,u=n.outWidth,c=n.dilationWidth,l=n.dilationHeight,f=n.dataFormat,h=s.left,d=s.top,p=i*r,m=Yo(),g="channelsLast"===f,v=g?0:1,y=g?1:2,b="",x=0;x<=1;x++){for(var w=0;w<=1;w++){b+="\n          blockIndex = rc.y + "+w+";\n          pos = rc.x + "+x+";\n\n          if(blockIndex < "+t[1]+" && pos < "+t[0]+") {\n            offsetY = int(blockIndex / ("+u+")) * "+a+" - "+d+";\n            d0 = offsetY + "+l+" * (pos / "+p+");\n\n            if(d0 < "+e[v]+" && d0 >= 0) {\n\n              offsetX = int(mod(float(blockIndex), "+u+".) * "+o+". - "+h+".);\n              d1 = offsetX + "+c+" * (int(mod(float(pos), "+p+".) / "+i+".));\n\n              if(d1 < "+e[y]+" && d1 >= 0) {\n\n                ch = int(mod(float(pos), "+i+".));\n\n                if ("+g+") {\n                  innerDims = vec2(d1, ch);\n                  result["+(2*x+w)+"] = getChannel(\n                    getA(d0, int(innerDims.x),\n                    int(innerDims.y)), innerDims);\n                } else {\n                  innerDims = vec2(d0, d1);\n                  result["+(2*x+w)+"] = getChannel(\n                    getA(ch, int(innerDims.x),\n                    int(innerDims.y)), innerDims);\n                }\n              }\n            }\n          }\n        ";}}this.userCode="\n      void main() {\n        ivec2 rc = getOutputCoords();\n\n        vec4 result = vec4(0);\n\n        int blockIndex, pos, offsetY, d0, offsetX, d1, ch;\n        vec2 innerDims;\n\n        "+b+"\n\n        "+m.output+" = result;\n      }\n    ";}(p,m.shape,n),y=this.compileAndRun(v,[m]).reshape([1,p[0],p[1]]),b=null!=r,x=null!=o,w=i?Os(i,!0):null,k=new Ka(y.shape,[1,d,n.outChannels],!0,!1,b,w,x),E=[y,g];r&&E.push(r),x&&E.push(o);var C=this.compileAndRun(k,E);return f?C.reshape([1,l,c,n.outChannels]):C.reshape([1,n.outChannels,l,c]);},e.prototype.fusedConv2d=function(t){var e=t.input,n=t.filter,r=t.convInfo,i=t.bias,o=t.activation,a=t.preluActivationWeights;if(1===r.filterHeight&&1===r.filterWidth&&1===r.dilationHeight&&1===r.dilationWidth&&1===r.strideHeight&&1===r.strideWidth&&("SAME"===r.padInfo.type||"VALID"===r.padInfo.type))return this.conv2dByMatMul(e,n,r,i,o,a);if(f().getBool("WEBGL_CONV_IM2COL")&&1===e.shape[0])return this.conv2dWithIm2Row(e,n,r,i,o,a);var s=null!=i,u=null!=a,c=o?Os(o,!1):null,l=new wa(r,s,c,u),h=[e,n];return i&&h.push(i),a&&h.push(a),this.compileAndRun(l,h);},e.prototype.conv2d=function(t,e,n){if(1===n.filterHeight&&1===n.filterWidth&&1===n.dilationHeight&&1===n.dilationWidth&&1===n.strideHeight&&1===n.strideWidth&&("SAME"===n.padInfo.type||"VALID"===n.padInfo.type))return this.conv2dByMatMul(t,e,n);if(f().getBool("WEBGL_CONV_IM2COL")&&1===t.shape[0])return this.conv2dWithIm2Row(t,e,n);var r=new wa(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv2dDerInput=function(t,e,n){var r=new function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,i=t.strideWidth,o="channelsLast"===t.dataFormat,a=e-1-t.padInfo.top,s=n-1-t.padInfo.left,u=o?1:2,c=o?2:3,l=o?3:1;this.userCode="\n      const ivec2 pads = ivec2("+a+", "+s+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d1 = coords["+l+"];\n\n        ivec2 dyCorner = ivec2(coords["+u+"], coords["+c+"]) - pads;\n        int dyRCorner = dyCorner.x;\n        int dyCCorner = dyCorner.y;\n\n        // Convolve dy(?, ?, d2) with w(:, :, d1, d2) to compute dx(xR, xC, d1).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+e+"; wR++) {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          int wRPerm = "+e+" - 1 - wR;\n\n          for (int wC = 0; wC < "+n+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+i+".0;\n\n            if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            int wCPerm = "+n+" - 1 - wC;\n\n            for (int d2 = 0; d2 < "+t.outChannels+"; d2++) {\n\n              if ("+o+") {\n                float xValue = getDy(batch, idyR, idyC, d2);\n                float wValue = getW(wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              } else {\n                float xValue = getDy(batch, d2, idyR, idyC);\n                float wValue = getW(wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              }\n\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv2dDerFilter=function(t,e,n){var r=new function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideHeight,n=t.strideWidth,r=t.padInfo.top,i=t.padInfo.left,o="channelsLast"===t.dataFormat;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int wR = coords.x;\n        int wC = coords.y;\n        int d1 = coords.z;\n        int d2 = coords.w;\n\n        // Convolve x(?, ?, d1) with dy(:, :, d2) to get dw(wR, wC, d1, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int b = 0; b < "+t.batchSize+"; b++) {\n          for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n            int xR = wR + yR * "+e+" - "+r+";\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n              int xC = wC + yC * "+n+" - "+i+";\n\n              if (xC < 0 || xC >= "+t.inWidth+") {\n                continue;\n              }\n\n              if ("+o+") {\n                float dyValue = getDy(b, yR, yC, d2);\n                float xValue = getX(b, xR, xC, d1);\n                dotProd += (xValue * dyValue);\n              } else {\n                float dyValue = getDy(b, d2, yR, yC);\n                float xValue = getX(b, d1, xR, xC);\n                dotProd += (xValue * dyValue);\n              }\n\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.fusedDepthwiseConv2D=function(t){var e,n=t.input,r=t.filter,i=t.convInfo,o=t.bias,a=t.activation,s=t.preluActivationWeights,u=f().getBool("WEBGL_PACK_DEPTHWISECONV")&&i.strideWidth<=2&&i.outChannels/i.inChannels==1,c=a?Os(a,u):null,l=[n,r],h=null!=o,d=null!=s;return h&&l.push(o),d&&l.push(s),u?(e=new Ea(i,h,c,d),this.compileAndRun(e,l)):(e=new ka(i,h,c,d),this.compileAndRun(e,l));},e.prototype.depthwiseConv2D=function(t,e,n){var r;return f().getBool("WEBGL_PACK_DEPTHWISECONV")&&n.strideWidth<=2&&n.outChannels/n.inChannels==1?(r=new Ea(n),this.compileAndRun(r,[t,e])):(r=new ka(n),this.compileAndRun(r,[t,e]));},e.prototype.depthwiseConv2DDerInput=function(t,e,n){var r=new function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,i=t.strideWidth,o=e-1-t.padInfo.top,a=n-1-t.padInfo.left,s=t.outChannels/t.inChannels;this.userCode="\n      const ivec2 pads = ivec2("+o+", "+a+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d1 = coords[3];\n        ivec2 dyCorner = coords.yz - pads;\n        int dyRCorner = dyCorner.x;\n        int dyCCorner = dyCorner.y;\n\n        float dotProd = 0.0;\n\n        for (int wR = 0; wR < "+e+"; wR++) {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          int wRPerm = "+e+" - 1 - wR;\n\n          for (int wC = 0; wC < "+n+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+i+".0;\n\n            if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            int wCPerm = "+n+" - 1 - wC;\n\n            // TO DO: Vec4 over the channelMul\n            for (int dm = 0; dm < "+s+"; dm++) {\n              int d2 = d1 * "+s+" + dm;\n              float xValue = getDy(batch, idyR, idyC, d2);\n              float wValue = getW(wRPerm, wCPerm, d1, dm);\n              dotProd += xValue * wValue;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.depthwiseConv2DDerFilter=function(t,e,n){var r=new function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideHeight,n=t.strideWidth,r=t.padInfo.top,i=t.padInfo.left,o=t.outChannels/t.inChannels;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int wR = coords.x;\n        int wC = coords.y;\n        int d1 = coords.z;\n        int dm = coords.w;\n        int d2 = d1 * "+o+" + dm;\n\n        float dotProd = 0.0;\n\n        // TO DO: Vec4 over the batch size\n        for (int b = 0; b < "+t.batchSize+"; b++) {\n          for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n            int xR = wR + yR * "+e+" - "+r+";\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n              int xC = wC + yC * "+n+" - "+i+";\n\n              if (xC < 0 || xC >= "+t.inWidth+") {\n                continue;\n              }\n\n              float dyValue = getDy(b, yR, yC, d2);\n              float xValue = getX(b, xR, xC, d1);\n              dotProd += (xValue * dyValue);\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv3d=function(t,e,n){var r=new function(t){this.variableNames=["x","W"],this.outputShape=t.outShape;var e=t.padInfo.front,n=t.padInfo.top,r=t.padInfo.left,i=t.strideDepth,o=t.strideHeight,a=t.strideWidth,s=t.dilationDepth,u=t.dilationHeight,c=t.dilationWidth,l=t.filterDepth,f=t.filterHeight,h=t.filterWidth,d=4*Math.floor(t.inChannels/4),p=t.inChannels%4;this.userCode="\n      const ivec3 strides = ivec3("+i+", "+o+", "+a+");\n      const ivec3 pads = ivec3("+e+", "+n+", "+r+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int d2 = coords.u;\n\n        ivec3 xFRCCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n        int xFCorner = xFRCCorner.x;\n        int xRCorner = xFRCCorner.y;\n        int xCCorner = xFRCCorner.z;\n\n        // Convolve x(?, ?, ?, d1) with w(:, :, :, d1, d2) to get\n        // y(yF, yR, yC, d2). ? = to be determined. : = across all\n        // values in that axis.\n        float dotProd = 0.0;\n        for (int wF = 0; wF < "+l+"; wF++) {\n          int xF = xFCorner + wF * "+s+";\n\n          if (xF < 0 || xF >= "+t.inDepth+") {\n            continue;\n          }\n\n          for (int wR = 0; wR < "+f+"; wR++) {\n            int xR = xRCorner + wR * "+u+";\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+h+"; wC++) {\n              int xC = xCCorner + wC * "+c+";\n\n              if (xC < 0 || xC >= "+t.inWidth+") {\n                continue;\n              }\n\n              for (int d1 = 0; d1 < "+d+"; d1 += 4) {\n                vec4 xValues = vec4(\n                  getX(batch, xF, xR, xC, d1),\n                  getX(batch, xF, xR, xC, d1 + 1),\n                  getX(batch, xF, xR, xC, d1 + 2),\n                  getX(batch, xF, xR, xC, d1 + 3)\n                );\n                vec4 wValues = vec4(\n                  getW(wF, wR, wC, d1, d2),\n                  getW(wF, wR, wC, d1 + 1, d2),\n                  getW(wF, wR, wC, d1 + 2, d2),\n                  getW(wF, wR, wC, d1 + 3, d2)\n                );\n\n                dotProd += dot(xValues, wValues);\n              }\n\n              if ("+(1===p)+") {\n                dotProd +=\n                  getX(batch, xF, xR, xC, "+d+") *\n                  getW(wF, wR, wC, "+d+", d2);\n              } else if ("+(2===p)+") {\n                vec2 xValues = vec2(\n                  getX(batch, xF, xR, xC, "+d+"),\n                  getX(batch, xF, xR, xC, "+d+" + 1)\n                );\n                vec2 wValues = vec2(\n                  getW(wF, wR, wC, "+d+", d2),\n                  getW(wF, wR, wC, "+d+" + 1, d2)\n                );\n                dotProd += dot(xValues, wValues);\n              } else if ("+(3===p)+") {\n                vec3 xValues = vec3(\n                  getX(batch, xF, xR, xC, "+d+"),\n                  getX(batch, xF, xR, xC, "+d+" + 1),\n                  getX(batch, xF, xR, xC, "+d+" + 2)\n                );\n                vec3 wValues = vec3(\n                  getW(wF, wR, wC, "+d+", d2),\n                  getW(wF, wR, wC, "+d+" + 1, d2),\n                  getW(wF, wR, wC, "+d+" + 2, d2)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv3dDerInput=function(t,e,n){var r=new function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterDepth,n=t.filterHeight,r=t.filterWidth,i=t.strideDepth,o=t.strideHeight,a=t.strideWidth,s=e-1-t.padInfo.front,u=n-1-t.padInfo.top,c=r-1-t.padInfo.left;this.userCode="\n      const ivec3 pads = ivec3("+s+", "+u+", "+c+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int d1 = coords.u;\n\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyFCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        float dotProd = 0.0;\n        for (int wF = 0; wF < "+e+"; wF++) {\n          float dyF = float(dyFCorner + wF) / "+i+".0;\n\n          if (dyF < 0.0 || dyF >= "+t.outDepth+".0 || fract(dyF) > 0.0) {\n            continue;\n          }\n          int idyF = int(dyF);\n\n          int wFPerm = "+e+" - 1 - wF;\n\n          for (int wR = 0; wR < "+n+"; wR++) {\n            float dyR = float(dyRCorner + wR) / "+o+".0;\n\n            if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n              fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            int wRPerm = "+n+" - 1 - wR;\n\n            for (int wC = 0; wC < "+r+"; wC++) {\n              float dyC = float(dyCCorner + wC) / "+a+".0;\n\n              if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              int wCPerm = "+r+" - 1 - wC;\n\n              for (int d2 = 0; d2 < "+t.outChannels+"; d2++) {\n                float xValue = getDy(batch, idyF, idyR, idyC, d2);\n                float wValue = getW(wFPerm, wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv3dDerFilter=function(t,e,n){var r=new function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideDepth,n=t.strideHeight,r=t.strideWidth,i=t.padInfo.front,o=t.padInfo.top,a=t.padInfo.left;this.userCode="\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int wF = coords.x;\n        int wR = coords.y;\n        int wC = coords.z;\n        int d1 = coords.w;\n        int d2 = coords.u;\n\n        float dotProd = 0.0;\n\n        for (int b = 0; b < "+t.batchSize+"; b++) {\n          for (int yF = 0; yF < "+t.outDepth+"; yF++) {\n            int xF = wF + yF * "+e+" - "+i+";\n\n            if (xF < 0 || xF >= "+t.inDepth+") {\n              continue;\n            }\n\n            for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n              int xR = wR + yR * "+n+" - "+o+";\n\n              if (xR < 0 || xR >= "+t.inHeight+") {\n                continue;\n              }\n\n              for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n                int xC = wC + yC * "+r+" - "+a+";\n\n                if (xC < 0 || xC >= "+t.inWidth+") {\n                  continue;\n                }\n\n                float dyValue = getDy(b, yF, yR, yC, d2);\n                float xValue = getX(b, xF, xR, xC, d1);\n                dotProd += (xValue * dyValue);\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.maxPool=function(t,e){var n=new Ya(e,"max",!1);return this.compileAndRun(n,[t]);},e.prototype.avgPool=function(t,e){var n=new Ya(e,"avg",!1);return this.compileAndRun(n,[t],"float32");},e.prototype.maxPoolBackprop=function(t,e,n,r){var i=new Ya(r,"max",!0),o=this.compileAndRun(i,[e]),a=new function(t){this.variableNames=["dy","maxPos"],this.outputShape=t.inShape;var e=t.strideHeight,n=t.strideWidth,r=t.dilationHeight,i=t.effectiveFilterHeight,o=t.effectiveFilterWidth,a=i-1-t.padInfo.top,s=o-1-t.padInfo.left,u=i*o-1;this.userCode="\n      const ivec2 pads = ivec2("+a+", "+s+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n\n        ivec2 dyRCCorner = coords.yz - pads;\n        int dyRCorner = dyRCCorner.x;\n        int dyCCorner = dyRCCorner.y;\n\n        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+i+";\n          wR += "+r+") {\n          float dyR = float(dyRCorner + wR) / "+e+".0;\n\n          if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          for (int wC = 0; wC < "+o+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+n+".0;\n\n            if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            float dyValue = getDy(b, idyR, idyC, d);\n            int maxPosValue = "+u+" - int(getMaxPos(b, idyR, idyC, d));\n\n            // Get the current value, check it against the value from the\n            // position matrix.\n            int curPosValue = wR * "+o+" + wC;\n            float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);\n\n            dotProd += dyValue * mask;\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(r),s=this.compileAndRun(a,[t,o],e.dtype);return o.dispose(),s;},e.prototype.avgPoolBackprop=function(t,e,n){var r=new function(t){this.variableNames=["dy"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,i=t.strideWidth,o=t.dilationHeight,a=t.dilationWidth,s=t.effectiveFilterHeight,u=t.effectiveFilterWidth,c=s-1-t.padInfo.top,l=u-1-t.padInfo.left,f=1/(e*n);this.userCode="\n      const ivec2 pads = ivec2("+c+", "+l+");\n      const float avgMultiplier = float("+f+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n\n        ivec2 dyRCCorner = coords.yz - pads;\n        int dyRCorner = dyRCCorner.x;\n        int dyCCorner = dyRCCorner.y;\n\n        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+s+";\n            wR += "+o+") {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          for (int wC = 0; wC < "+u+";\n            wC+= "+a+") {\n            float dyC = float(dyCCorner + wC) / "+i+".0;\n\n            if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            float dyValue = getDy(b, idyR, idyC, d);\n\n            dotProd += dyValue * avgMultiplier;\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t],e.dtype);},e.prototype.cast=function(t,e){return So(t,e,this);},e.prototype.unstack=function(t,e){for(var n=t.shape[e],r=new Array(t.rank-1),i=0,o=0;o<t.rank;o++){o!==e&&(r[i++]=t.shape[o]);}var a=new Array(t.rank).fill(0),s=t.shape.slice();s[e]=1;var u=new Array(n);for(o=0;o<u.length;o++){a[e]=o,u[o]=this.slice(t,a,s).reshape(r);}return u;},e.prototype.avgPool3d=function(t,e){var n=new Ja(e,"avg",!1);return this.compileAndRun(n,[t],"float32");},e.prototype.avgPool3dBackprop=function(t,e,n){var r=new function(t){this.variableNames=["dy"],this.outputShape=t.inShape;var e=t.filterDepth,n=t.filterHeight,r=t.filterWidth,i=t.strideDepth,o=t.strideHeight,a=t.strideWidth,s=t.dilationDepth,u=t.dilationHeight,c=t.dilationWidth,l=t.effectiveFilterDepth,f=t.effectiveFilterHeight,h=t.effectiveFilterWidth,d=l-1-t.padInfo.front,p=f-1-t.padInfo.top,m=h-1-t.padInfo.left,g=1/(e*n*r);this.userCode="\n      const ivec3 pads = ivec3("+d+", "+p+", "+m+");\n      const float avgMultiplier = float("+g+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyDCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        // Convolve dy(?, ?, ?, d) with pos mask(:, :, :, ch) to get\n        // dx(xD, xR, xC, ch).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int wD = 0; wD < "+l+";\n            wD += "+s+") {\n          float dyD = float(dyDCorner + wD) / "+i+".0;\n\n          if (dyD < 0.0 || dyD >= "+t.outDepth+".0 || fract(dyD) > 0.0) {\n            continue;\n          }\n          int idyD = int(dyD);\n\n          for (int wR = 0; wR < "+f+";\n              wR += "+u+") {\n            float dyR = float(dyRCorner + wR) / "+o+".0;\n\n            if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n                fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            for (int wC = 0; wC < "+h+";\n                wC += "+c+") {\n              float dyC = float(dyCCorner + wC) / "+a+".0;\n\n              if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              float dyValue = getDy(batch, idyD, idyR, idyC, ch);\n\n              dotProd += dyValue * avgMultiplier;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t],e.dtype);},e.prototype.maxPool3d=function(t,e){var n=new Ja(e,"max",!1);return this.compileAndRun(n,[t],"float32");},e.prototype.maxPool3dBackprop=function(t,e,n,r){var i=new Ja(r,"max",!0),o=this.compileAndRun(i,[e]),a=new function(t){this.variableNames=["dy","maxPos"],this.outputShape=t.inShape;var e=t.strideDepth,n=t.strideHeight,r=t.strideWidth,i=t.dilationDepth,o=t.dilationHeight,a=t.dilationWidth,s=t.effectiveFilterDepth,u=t.effectiveFilterHeight,c=t.effectiveFilterWidth,l=s-1-t.padInfo.front,f=u-1-t.padInfo.top,h=c-1-t.padInfo.left,d=s*u*c-1;this.userCode="\n      const ivec3 pads = ivec3("+l+", "+f+", "+h+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyDCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        // Convolve dy(?, ?, ?, ch) with pos mask(:, :, :, d) to get\n        // dx(xD, xR, xC, ch).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int wD = 0; wD < "+s+";\n           wD += "+i+") {\n          float dyD = float(dyDCorner + wD) / "+e+".0;\n\n          if (dyD < 0.0 || dyD >= "+t.outDepth+".0 || fract(dyD) > 0.0) {\n            continue;\n          }\n          int idyD = int(dyD);\n\n          for (int wR = 0; wR < "+u+";\n              wR += "+o+") {\n            float dyR = float(dyRCorner + wR) / "+n+".0;\n\n            if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n                fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            for (int wC = 0; wC < "+c+";\n                wC += "+a+") {\n              float dyC = float(dyCCorner + wC) / "+r+".0;\n\n              if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              float dyValue = getDy(batch, idyD, idyR, idyC, ch);\n              int maxPosValue = "+d+" -\n                  int(getMaxPos(batch, idyD, idyR, idyC, ch));\n\n              // Get the current value, check it against the value from the\n              // position matrix.\n              int curPosValue =\n                  wD * "+u+" * "+c+" +\n                  wR * "+c+" + wC;\n              float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);\n\n              dotProd += dyValue * mask;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(r),s=this.compileAndRun(a,[t,o],e.dtype);return o.dispose(),s;},e.prototype.reshape=function(t,e){var n=this.texData.get(t.dataId);if(n.isPacked&&!Be(t.shape,e)&&(null===n.texture||!Be(n.shape,e))){var r=this.packedReshape(t,e);return Wt.makeTensorFromDataId(r.dataId,r.shape,r.dtype);}return Do(t,e);},e.prototype.resizeBilinear=function(t,e,n,r){var i=f().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new function(t,e,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];var i=t[0],o=t[1],a=t[2],s=t[3];this.outputShape=[i,e,n,s];var u=[r&&e>1?o-1:o,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n];this.userCode="\n      const vec3 effectiveInputOverOutputRatioRC = vec3(\n          "+u[0]/c[0]+",\n          "+u[1]/c[1]+",\n          "+u[1]/c[1]+");\n      const vec3 inputShapeRC = vec3("+o+".0, "+a+".0,\n                                     "+a+".0);\n\n      float getAValue(int b, int r, int c, int d) {\n        return getChannel(getA(b, r, c, d), vec2(c, d));\n      }\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        // Calculate values for next column in yRC.z.\n        ivec3 yRC = coords.yzz + ivec3(0, 0, 1);\n\n        // Fractional source index.\n        vec3 sourceFracIndexRC = vec3(yRC) * effectiveInputOverOutputRatioRC;\n\n        // Compute the four integer indices.\n        ivec3 sourceFloorRC = ivec3(sourceFracIndexRC);\n        ivec3 sourceCeilRC = ivec3(\n          min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));\n\n        // Should we calculate next column and row elements in 2x2 packed cell.\n        bool hasNextCol = d < "+(s-1)+";\n        bool hasNextRow = coords.z < "+(n-1)+";\n\n        // In parallel, construct four corners for all four components in\n        // packed 2x2 cell.\n        vec4 topLeft = vec4(\n          getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d),\n          hasNextCol ? getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d + 1) : 0.0);\n\n        vec4 bottomLeft = vec4(\n          getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d),\n          hasNextCol ? getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d + 1) : 0.0);\n\n        vec4 topRight = vec4(\n          getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d),\n          hasNextCol ? getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d + 1) : 0.0);\n\n        vec4 bottomRight = vec4(\n          getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d),\n          hasNextCol ? getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d + 1) : 0.0);\n\n        vec3 fracRC = sourceFracIndexRC - vec3(sourceFloorRC);\n\n        vec4 top = mix(topLeft, topRight, fracRC.yyzz);\n        vec4 bottom = mix(bottomLeft, bottomRight, fracRC.yyzz);\n        vec4 newValue = mix(top, bottom, fracRC.x);\n\n        setOutput(newValue);\n      }\n    ";}(t.shape,e,n,r):new function(t,e,n,r){this.variableNames=["A"],this.outputShape=[];var i=t[0],o=t[1],a=t[2],s=t[3];this.outputShape=[i,e,n,s];var u=[r&&e>1?o-1:o,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n];this.userCode="\n      const vec2 effectiveInputOverOutputRatioRC = vec2(\n          "+u[0]/c[0]+",\n          "+u[1]/c[1]+");\n      const vec2 inputShapeRC = vec2("+o+".0, "+a+".0);\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        ivec2 yRC = coords.yz;\n\n        // Fractional source index.\n        vec2 sourceFracIndexRC = vec2(yRC) * effectiveInputOverOutputRatioRC;\n\n        // Compute the four integer indices.\n        ivec2 sourceFloorRC = ivec2(sourceFracIndexRC);\n        ivec2 sourceCeilRC = ivec2(\n          min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));\n\n        float topLeft = getA(b, sourceFloorRC.x, sourceFloorRC.y, d);\n        float bottomLeft = getA(b, sourceCeilRC.x, sourceFloorRC.y, d);\n        float topRight = getA(b, sourceFloorRC.x, sourceCeilRC.y, d);\n        float bottomRight = getA(b, sourceCeilRC.x, sourceCeilRC.y, d);\n\n        vec2 fracRC = sourceFracIndexRC - vec2(sourceFloorRC);\n\n        float top = topLeft + (topRight - topLeft) * fracRC.y;\n        float bottom = bottomLeft + (bottomRight - bottomLeft) * fracRC.y;\n        float newValue = top + (bottom - top) * fracRC.x;\n\n        setOutput(newValue);\n      }\n    ";}(t.shape,e,n,r);return this.compileAndRun(i,[t],"float32");},e.prototype.resizeBilinearBackprop=function(t,e,n){var r=new function(t,e,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=e.shape;var r=e.shape,i=r[1],o=r[2],a=t.shape,s=a[1],u=a[2],c=[n&&s>1?i-1:i,n&&u>1?o-1:o],l=[n&&s>1?s-1:s,n&&u>1?u-1:u],f=c[0]/l[0],h=c[1]/l[1],d=1/f,p=1/h,m=2*Math.ceil(d)+2,g=2*Math.ceil(p)+2;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        int r = coords[1];\n        int c = coords[2];\n\n        float accumulator = 0.0;\n\n        const float heightScale = float("+f+");\n        const float widthScale = float("+h+");\n\n        const float invHeightScale = float("+d+");\n        const float invWidthScale = float("+p+");\n\n        const int winHeight = int("+m+");\n        const int winWidth = int("+g+");\n\n        // Compute bounds for where in dy we will look\n        float startRLerp = floor(float(r) * invHeightScale);\n        int startDyR = int(startRLerp - float(winHeight / 2));\n\n        float startCLerp = floor(float(c) * invWidthScale);\n        int startDyC = int(startCLerp - float(winWidth / 2));\n\n        // Loop over dy\n        for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {\n          int dyR = dyROffset + startDyR;\n\n          // Guard against the window exceeding the bounds of dy\n          if (dyR < 0 || dyR >= "+s+") {\n            continue;\n          }\n\n          for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {\n            int dyC = dyCOffset + startDyC;\n\n            // Guard against the window exceeding the bounds of dy\n            if (dyC < 0 || dyC >= "+u+") {\n              continue;\n            }\n\n            float dxR = float(dyR) * heightScale;\n            int topDxRIndex = int(floor(dxR));\n            int bottomDxRIndex = int(min(ceil(dxR), "+(i-1)+".0));\n            float dxRLerp = dxR - float(topDxRIndex);\n            float inverseDxRLerp = 1.0 - dxRLerp;\n\n            float dxC = float(dyC) * widthScale;\n            int leftDxCIndex = int(floor(dxC));\n            int rightDxCIndex = int(min(ceil(dxC), "+(o-1)+".0));\n            float dxCLerp = dxC - float(leftDxCIndex);\n            float inverseDxCLerp = 1.0 - dxCLerp;\n\n            if (r == topDxRIndex && c == leftDxCIndex) {\n              // topLeft\n              accumulator +=\n                getDy(b, dyR, dyC, d) * inverseDxRLerp * inverseDxCLerp;\n            }\n\n            if (r == topDxRIndex && c == rightDxCIndex) {\n              // topRight\n              accumulator += getDy(b, dyR, dyC, d) * inverseDxRLerp * dxCLerp;\n            }\n\n            if (r == bottomDxRIndex && c == leftDxCIndex) {\n              // bottomLeft\n              accumulator += getDy(b, dyR, dyC, d) * dxRLerp * inverseDxCLerp;\n            }\n\n            if (r == bottomDxRIndex && c == rightDxCIndex) {\n              // bottomRight\n              accumulator += getDy(b, dyR, dyC, d) * dxRLerp * dxCLerp;\n            }\n          }\n        }\n        // End loop over dy\n\n        setOutput(accumulator);\n      }\n    ";}(t,e,n);return this.compileAndRun(r,[t]);},e.prototype.resizeNearestNeighbor=function(t,e,n,r){var i=new function(t,e,n,r){this.variableNames=["A"],this.outputShape=[];var i=t[0],o=t[1],a=t[2],s=t[3];this.outputShape=[i,e,n,s];var u=[r&&e>1?o-1:o,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n],l=r?"0.5":"0.0";this.userCode="\n      const vec2 effectiveInputOverOutputRatioRC = vec2(\n          "+u[0]/c[0]+",\n          "+u[1]/c[1]+");\n      const vec2 inputShapeRC = vec2("+o+".0, "+a+".0);\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        ivec2 yRC = coords.yz;\n\n        // Fractional source index.\n        vec2 sourceFracIndexRC = vec2(yRC) * effectiveInputOverOutputRatioRC;\n\n        // Compute the coordinators of nearest neighbor point.\n        ivec2 sourceNearestRC = ivec2(\n          min(inputShapeRC - 1.0, floor(sourceFracIndexRC + "+l+")));\n\n        float newValue = getA(b, sourceNearestRC.x, sourceNearestRC.y, d);\n\n        setOutput(newValue);\n      }\n    ";}(t.shape,e,n,r);return this.compileAndRun(i,[t]);},e.prototype.resizeNearestNeighborBackprop=function(t,e,n){var r=new function(t,e,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=e.shape;var r=e.shape,i=r[1],o=r[2],a=t.shape,s=a[1],u=a[2],c=[n&&s>1?i-1:i,n&&u>1?o-1:o],l=[n&&s>1?s-1:s,n&&u>1?u-1:u],f=c[0]/l[0],h=c[1]/l[1],d=1/f,p=1/h,m=2*Math.ceil(d)+2,g=2*Math.ceil(p)+2;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        int r = coords[1];\n        int c = coords[2];\n\n        float accumulator = 0.0;\n\n        const float heightScale = float("+f+");\n        const float widthScale = float("+h+");\n\n        const float invHeightScale = float("+d+");\n        const float invWidthScale = float("+p+");\n\n        const int winHeight = int("+m+");\n        const int winWidth = int("+g+");\n\n        // Compute bounds for where in dy we will look\n        float startRLerp = floor(float(r) * invHeightScale);\n        int startDyR = int(floor(startRLerp - float(winHeight / 2)));\n\n        float startCLerp = floor(float(c) * invWidthScale);\n        int startDyC = int(floor(startCLerp - float(winWidth / 2)));\n\n        // Loop over dy\n        for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {\n          int dyR = dyROffset + startDyR;\n\n          // Guard against the window exceeding the bounds of dy\n          if (dyR < 0 || dyR >= "+s+") {\n            continue;\n          }\n\n          for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {\n            int dyC = dyCOffset + startDyC;\n\n            // Guard against the window exceeding the bounds of dy\n            if (dyC < 0 || dyC >= "+u+") {\n              continue;\n            }\n\n            float sourceFracRow =\n              float("+c[0]+") *\n                (float(dyR) / float("+l[0]+"));\n\n            float sourceFracCol =\n                float("+c[1]+") *\n                  (float(dyC) / float("+l[1]+"));\n\n            int sourceNearestRow = int(min(\n                float(int("+i+") - 1),\n                "+n+" ? float(round(sourceFracRow)) :\n                                  float(floor(sourceFracRow))));\n\n            int sourceNearestCol = int(min(\n                float(int("+o+") - 1),\n                "+n+" ? float(round(sourceFracCol)) :\n                                  float(floor(sourceFracCol))));\n\n            if (r == sourceNearestRow && c == sourceNearestCol) {\n              accumulator += getDy(b, dyR, dyC, d);\n            }\n          }\n        }\n        // End loop over dy\n\n        setOutput(accumulator);\n      }\n    ";}(t,e,n);return this.compileAndRun(r,[t]);},e.prototype.multinomial=function(t,e,n,r){var i=e?t:co(t),o=i.shape[0],a=i.shape[1],s=new Xa(o,a,n),u=s.getCustomSetupFunc(r);return this.compileAndRun(s,[i],"int32",u);},e.prototype.oneHot=function(t,e,n,r){var i=new function(t,e,n,r){this.variableNames=["indices"],this.outputShape=[t,e],this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int index = round(getIndices(coords.x));\n        setOutput(mix(float("+r+"), float("+n+"),\n                      float(index == coords.y)));\n      }\n    ";}(t.size,e,n,r);return this.compileAndRun(i,[t]);},e.prototype.diag=function(t){var e=new function(t){this.variableNames=["X"],this.outputShape=[t,t],this.userCode="\n      void main() {\n          ivec2 coords = getOutputCoords();\n          float val = coords[0] == coords[1] ? getX(coords[0]) : 0.0;\n          setOutput(val);\n      }\n    ";}(t.size);return this.compileAndRun(e,[t]);},e.prototype.nonMaxSuppression=function(t,e,n,r,i){return vn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead"),Po(t.dataSync(),e.dataSync(),n,r,i);},e.prototype.cropAndResize=function(t,e,n,r,i,o){var a=new function(t,e,n,r,i){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];var o=t[0],a=t[1],s=t[2],u=t[3],c=e[0],l=n[0],f=n[1];this.outputShape=[c,l,f,u];var h="bilinear"===r?1:0,d=[a-1+".0",s-1+".0"],p=d[0],m=d[1],g=l>1?[""+(a-1)/(l-1),"(y2-y1) * height_ratio","y1*"+p+" + float(y)*(height_scale)"]:["0.0","0.0","0.5 * (y1+y2) * "+p],v=g[0],y=g[1],b=g[2],x=f>1?[""+(s-1)/(f-1),"(x2-x1) * width_ratio","x1*"+m+" + float(x)*(width_scale)"]:["0.0","0.0","0.5 * (x1+x2) * "+m],w=x[0],k=x[1],E=x[2];this.userCode="\n      const float height_ratio = float("+v+");\n      const float width_ratio = float("+w+");\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int y = coords[1];\n        int x = coords[2];\n        int d = coords[3];\n\n        // get box vals\n        float y1 = getBoxes(b,0);\n        float x1 = getBoxes(b,1);\n        float y2 = getBoxes(b,2);\n        float x2 = getBoxes(b,3);\n\n        // get image in batch index\n        int bInd = round(getBoxInd(b));\n        if(bInd < 0 || bInd >= "+o+") {\n          return;\n        }\n\n        float height_scale = "+y+";\n        float width_scale = "+k+";\n\n        float in_y = "+b+";\n        if( in_y < 0.0 || in_y > "+p+" ) {\n          setOutput(float("+i+"));\n          return;\n        }\n        float in_x = "+E+";\n        if( in_x < 0.0 || in_x > "+m+" ) {\n          setOutput(float("+i+"));\n          return;\n        }\n\n        vec2 sourceFracIndexCR = vec2(in_x,in_y);\n        if("+h+" == 1) {\n          // Compute the four integer indices.\n          ivec2 sourceFloorCR = ivec2(sourceFracIndexCR);\n          ivec2 sourceCeilCR = ivec2(ceil(sourceFracIndexCR));\n\n          float topLeft = getImage(b, sourceFloorCR.y, sourceFloorCR.x, d);\n          float bottomLeft = getImage(b, sourceCeilCR.y, sourceFloorCR.x, d);\n          float topRight = getImage(b, sourceFloorCR.y, sourceCeilCR.x, d);\n          float bottomRight = getImage(b, sourceCeilCR.y, sourceCeilCR.x, d);\n\n          vec2 fracCR = sourceFracIndexCR - vec2(sourceFloorCR);\n\n          float top = topLeft + (topRight - topLeft) * fracCR.x;\n          float bottom = bottomLeft + (bottomRight - bottomLeft) * fracCR.x;\n          float newValue = top + (bottom - top) * fracCR.y;\n          setOutput(newValue);\n        } else {\n          // Compute the coordinators of nearest neighbor point.\n          ivec2 sourceNearestCR = ivec2(floor(\n            sourceFracIndexCR + vec2(0.5,0.5)));\n          float newValue = getImage(b, sourceNearestCR.y, sourceNearestCR.x, d);\n          setOutput(newValue);\n        }\n      }\n    ";}(t.shape,e.shape,r,i,o);return this.compileAndRun(a,[t,e,n],"float32");},e.prototype.depthToSpace=function(t,e,n){_(e>1,function(){return "blockSize should be > 1 for depthToSpace, but was: "+e;});var r=t.shape[0],i="NHWC"===n?t.shape[1]:t.shape[2],o="NHWC"===n?t.shape[2]:t.shape[3],a="NHWC"===n?t.shape[3]:t.shape[1],s=i*e,u=o*e,c=a/(e*e),l=new Aa("NHWC"===n?[r,s,u,c]:[r,c,s,u],e,n);return this.compileAndRun(l,[t]);},e.prototype.split=function(t,e,n){return qo(t,e,n);},e.prototype.scatterND=function(t,e,n){var r=Hi(0,t,n),i=r.sliceRank,o=r.numUpdates,a=r.sliceSize,s=r.strides,u=r.outputSize,c=[u/a,a],l=t.reshape([o,i]),f=e.reshape([o,a]);if(0===u)return Do(jn([]),n);var h=Pn(0),d=new Qa(o,i,l.rank,f.rank,s,c);return this.compileAndRun(d,[f,l,h]).reshape(n);},e.prototype.sparseToDense=function(t,e,n,r){var i=Hi(0,t,n),o=i.sliceRank,a=i.numUpdates,s=i.strides,u=i.outputSize,c=new Qa(a,o,t.rank,e.rank,s,[u,1],!1);return this.compileAndRun(c,[e,t,r]).reshape(n);},e.prototype.fft=function(t){return this.fftImpl(t,!1);},e.prototype.ifft=function(t){return this.fftImpl(t,!0);},e.prototype.fftImpl=function(t,e){var n=this.texData.get(t.dataId),r=new Oa("return real * expR - imag * expI;",t.shape,e),i=new Oa("return real * expI + imag * expR;",t.shape,e),o=[this.makeComplexComponentTensorInfo(t,n.complexTensors.real),this.makeComplexComponentTensorInfo(t,n.complexTensors.imag)],a=this.compileAndRun(r,o),s=this.compileAndRun(i,o),u=this.complex(a,s).as2D(t.shape[0],t.shape[1]);return a.dispose(),s.dispose(),u;},e.prototype.gatherND=function(t,e){var n=e.shape,r=n[n.length-1],i=zi(t,e),o=i[0],a=i[1],s=i[2],u=i[3],c=e.reshape([a,r]),l=t.reshape([t.size/s,s]),f=new function(t,e,n){this.sliceDim=t,this.strides=e,this.variableNames=["x","indices"],this.outputShape=n;var r=sa(e.length),i=sa(n.length),o=this.sliceDim>1?"strides[j]":"strides";this.userCode="\n        "+r+" strides = "+r+"("+this.strides+");\n         void main() {\n          "+i+" coords = getOutputCoords();\n          int flattenIndex = 0;\n          for (int j = 0; j < "+this.sliceDim+"; j++) {\n            int index = round(getIndices(coords[0], j));\n            flattenIndex += index * "+o+";\n          }\n          setOutput(getX(flattenIndex, coords[1]));\n        }\n      ";}(r,u,[a,s]);return this.compileAndRun(f,[l,c]).reshape(o);},e.prototype.fill=function(t,e,n){if("string"===(n=n||Q(e))){var r=W(n,T(t));return r.fill(e),Wt.makeTensor(r,t,n,this);}var i=new _a(t,e),o=i.getCustomSetupFunc(e);return this.compileAndRun(i,[],n,o);},e.prototype.onesLike=function(t){if("string"===t.dtype)throw new Error("onesLike is not supported under string dtype");return this.fill(t.shape,1,t.dtype);},e.prototype.zerosLike=function(t){return this.fill(t.shape,"string"===t.dtype?"":0,t.dtype);},e.prototype.linspace=function(t,e,n){return Fo(t,e,n);},e.prototype.makeTensorInfo=function(t,e){var n=this.write(null,t,e);return this.texData.get(n).usage=null,{dataId:n,shape:t,dtype:e};},e.prototype.makeOutput=function(t,e){var n=this.makeTensorInfo(t,e).dataId;return Wt.makeTensorFromDataId(n,t,e,this);},e.prototype.unpackTensor=function(t){var e=new function(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outputShape=t;var e=t.length,n=Xo("rc",e),r=sa(e),i=function(t,e){if(1===t)return "rc";for(var n="",r=0;r<t;r++){n+=e[r],r<t-1&&(n+=",");}return n;}(e,n),o=n.slice(-2),a=e<=1?"rc":"vec2("+o.join(",")+")";this.userCode="\n      void main() {\n        "+r+" rc = getOutputCoords();\n        vec4 packedInput = getA("+i+");\n\n        setOutput(getChannel(packedInput, "+a+"));\n      }\n    ";}(t.shape);return this.runWebGLProgram(e,[t],t.dtype);},e.prototype.packTensor=function(t){var e=new function(t){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outputShape=t;var e=t.length;if(0===e)this.userCode="\n        void main() {\n          setOutput(vec4(getA(), 0., 0., 0.));\n        }\n      ";else {var n=Xo("rc",e),r=sa(e),i=function(t,e,n){if(1===t)return "rc > "+e[0];for(var r="",i=t-2;i<t;i++){r+=n[i]+" >= "+e[i],i<t-1&&(r+="||");}return r;}(e,t,n),o=function(t,e,n,r){if(1===t)return "";var i=r.slice(-2);return "\n    int r = "+i[0]+";\n    int c = "+i[1]+";\n    int rp1 = r + 1;\n    int cp1 = c + 1;\n\n    bool cEdge = cp1 >= "+e+";\n    bool rEdge = rp1 >= "+n+";\n  ";}(e,t[t.length-1],t[t.length-2],n),a=function(t,e){var n=t.length,r=function(t,e){for(var n=[],r=0;r<=1;r++){for(var i=0;i<=1;i++){for(var o=(0===r?"r":"rp1")+", "+(0===i?"c":"cp1"),a=2;a<t;a++){o=e[e.length-1-a]+","+o;}n.push(o);}}return n;}(n,e);return 1===n?"getA(rc),\n            rc + 1 >= "+t[0]+" ? 0. : getA(rc + 1),\n            0, 0":"getA("+r[0]+"),\n          cEdge ? 0. : getA("+r[1]+"),\n          rEdge ? 0. : getA("+r[2]+"),\n          rEdge || cEdge ? 0. : getA("+r[3]+")";}(t,n);this.userCode="\n        void main() {\n          "+r+" rc = getOutputCoords();\n\n          if("+i+") {\n            setOutput(vec4(0));\n          } else {\n            "+o+"\n\n            setOutput(vec4("+a+"));\n          }\n        }\n      ";}}(t.shape);return this.runWebGLProgram(e,[t],t.dtype,null,!0);},e.prototype.packedReshape=function(t,e){var n=[Ne(t.shape)].concat(Ie(t.shape)),r={dtype:t.dtype,shape:n,dataId:t.dataId},i=new function(t,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t;for(var n="",r=0;r<4;r++){var i="thisRC = rc;";r%2==1&&(i+="thisRC.z += 1;"),r>1&&(i+="thisRC.y += 1;"),n+="\n        "+i+"\n        "+(r>0?"if(thisRC.y < rows && thisRC.z < cols){":"")+"\n          int flatIndex = getFlatIndex(thisRC);\n\n          ivec3 inputRC = inputCoordsFromReshapedOutCoords(flatIndex);\n          vec2 inputRCInnerDims = vec2(float(inputRC.y),float(inputRC.z));\n\n          result["+r+"] =\n            getChannel(getA(inputRC.x, inputRC.y, inputRC.z), inputRCInnerDims);\n        "+(r>0?"}":"")+"\n      ";}this.userCode="\n      \n    ivec3 inputCoordsFromReshapedOutCoords(int index) {\n      "+Jo(["r","c","d"],e)+"\n      return ivec3(r, c, d);\n    }\n  \n      "+Qo(t)+"\n\n      void main() {\n        ivec3 rc = getOutputCoords();\n\n        vec4 result = vec4(0.);\n\n        ivec3 thisRC;\n        int rows = "+t[1]+";\n        int cols = "+t[2]+";\n\n        "+n+"\n\n        setOutput(result);\n      }\n    ";}([Ne(e)].concat(Ie(e)),n),o=this.runWebGLProgram(i,[r],t.dtype,null,!0);return {dataId:o.dataId,shape:e,dtype:o.dtype};},e.prototype.decode=function(t){var e,n=this.texData.get(t),r=n.isPacked,i=n.shape,o=n.dtype,a=Re(i);return e=r?new function(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outPackingScheme=$t.DENSE;var e=Zt(t),n=Yo();this.outputShape=t,this.userCode="\n      ivec3 outCoordsFromFlatIndex(int index) {\n        "+Jo(["r","c","d"],t)+"\n        return ivec3(r, c, d);\n      }\n\n      void main() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n          vec2("+e[0]+", "+e[1]+"));\n        int index = 4 * (resTexRC.x * "+e[1]+" + resTexRC.y);\n\n        vec4 result = vec4(0.);\n\n        for (int i=0; i<4; i++) {\n          int flatIndex = index + i;\n          ivec3 rc = outCoordsFromFlatIndex(flatIndex);\n          result[i] = getChannel(getA(rc.x, rc.y, rc.z), vec2(rc.y, rc.z));\n        }\n\n        "+n.output+" = result;\n      }\n    ";}(a):new function(t){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outPackingScheme=$t.DENSE;var e=Zt(t),n=Yo();this.outputShape=t,this.userCode="\n      ivec3 outCoordsFromFlatIndex(int index) {\n        "+Jo(["r","c","d"],t)+"\n        return ivec3(r, c, d);\n      }\n\n      void main() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n          vec2("+e[0]+", "+e[1]+"));\n        int index = 4 * (resTexRC.x * "+e[1]+" + resTexRC.y);\n\n        vec4 result = vec4(0.);\n\n        for (int i=0; i<4; i++) {\n          int flatIndex = index + i;\n          ivec3 rc = outCoordsFromFlatIndex(flatIndex);\n          result[i] = getA(rc.x, rc.y, rc.z);\n        }\n\n        "+n.output+" = result;\n      }\n    ";}(a),{dtype:o,shape:i,dataId:this.runWebGLProgram(e,[{shape:a,dtype:o,dataId:t}],o,null,!0).dataId};},e.prototype.runWebGLProgram=function(t,e,n,r,i){var o=this;void 0===i&&(i=!1);var a=this.makeTensorInfo(t.outputShape,n),s=this.texData.get(a.dataId);if(t.packedOutput&&(s.isPacked=!0),t.outPackingScheme===$t.DENSE){var u=Zt(t.outputShape);s.texShape=u.map(function(t){return 2*t;});}if(null!=t.outTexUsage&&(s.usage=t.outTexUsage),0===T(a.shape))return s.values=U(a.dtype,0),a;var c=[],l=e.map(function(e){if("complex64"===e.dtype)throw new Error("GPGPUProgram does not support complex64 input. 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t.constructor.name+"_"+r+"_"+i;}(t,0,d),m=this.getAndSaveBinary(p,function(){return function(t,e,n,r){var i=e.userCode,o=n.map(function(t,n){var r={logicalShape:t.shape,texShape:t.isUniform?null:t.texData.texShape,isUniform:t.isUniform,isPacked:!t.isUniform&&t.texData.isPacked,flatOffset:null};return null!=t.texData&&null!=t.texData.slice&&t.texData.slice.flatOffset>0&&(r.flatOffset=t.texData.slice.flatOffset),{name:e.variableNames[n],shapeInfo:r};}),a=o.map(function(t){return t.shapeInfo;}),s={logicalShape:r.shape,texShape:r.texData.texShape,isUniform:!1,isPacked:r.texData.isPacked,flatOffset:null},u=ta(o,s,i,e.packedInputs),c=t.createProgram(u),l=null,h=t.getUniformLocation(c,"NAN",!1);1===f().getNumber("WEBGL_VERSION")&&(l=t.getUniformLocation(c,"INFINITY",!1));for(var d={},p=0;p<e.variableNames.length;p++){var m=e.variableNames[p];d[m]=t.getUniformLocation(c,m,!1),d["offset"+m]=t.getUniformLocation(c,"offset"+m,!1);}return 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n=zs(u),r=t.batchNormalization(n,Ws(c),Ws(l),o,Ws(a),Ws(s));return e([u,c,l,a]),r;},f,null,"FusedBatchNorm",h).reshape(u.shape);}function Ws(t){return null==t?null:0===t.rank?t.as1D():1===t.rank?t:2===t.rank?t.as4D(1,1,t.shape[0],t.shape[1]):3===t.rank?t.as4D(1,t.shape[0],t.shape[1],t.shape[2]):t;}var Vs=Nn({batchNormalization_:function batchNormalization_(t,e,n,r,i,o){return void 0===r&&(r=.001),Ls(),Us(t,e,n,o,i,r);}}),qs=Nn({batchNorm_:Us});function $s(t,e,n,r,i,o){var a,s,u=xn(t,"x","batchNorm"),c=xn(e,"mean","batchNorm"),l=xn(n,"variance","batchNorm");return null!=i&&(a=xn(i,"scale","batchNorm")),null!=r&&(s=xn(r,"offset","batchNorm")),_(2===u.rank,function(){return "Error in batchNorm3D: x must be rank 3 but got rank "+u.rank+".";}),_(2===c.rank||1===c.rank,function(){return "Error in batchNorm2D: mean must be rank 2 or rank 1 but got rank "+c.rank+".";}),_(2===l.rank||1===l.rank,function(){return "Error in batchNorm2D: variance must be rank 2 or rank 1 but got rank "+l.rank+".";}),null!=a&&_(2===a.rank||1===a.rank,function(){return "Error in batchNorm2D: scale must be rank 2 or rank 1 but got rank "+a.rank+".";}),null!=s&&_(2===s.rank||1===s.rank,function(){return "Error in batchNorm2D: offset must be rank 2 or rank 1 but got rank "+s.rank+".";}),qs(u,c,l,s,a,o);}var Hs=Nn({batchNormalization2d_:function batchNormalization2d_(t,e,n,r,i,o){return void 0===r&&(r=.001),Ls(),$s(t,e,n,o,i,r);}}),Gs=Nn({batchNorm2d_:$s});function Ks(t,e,n,r,i,o){var a,s,u=xn(t,"x","batchNorm"),c=xn(e,"mean","batchNorm"),l=xn(n,"variance","batchNorm");return null!=i&&(a=xn(i,"scale","batchNorm")),null!=r&&(s=xn(r,"offset","batchNorm")),_(3===u.rank,function(){return "Error in batchNorm3D: x must be rank 3 but got rank "+u.rank+".";}),_(3===c.rank||1===c.rank,function(){return "Error in batchNorm3D: mean must be rank 3 or rank 1 but got rank "+c.rank+".";}),_(3===l.rank||1===l.rank,function(){return "Error in batchNorm3D: variance must be rank 3 or rank 1 but got rank "+l.rank+".";}),null!=a&&_(3===a.rank||1===a.rank,function(){return "Error in batchNorm3D: scale must be rank 3 or rank 1 but got rank "+a.rank+".";}),null!=s&&_(3===s.rank||1===s.rank,function(){return "Error in batchNorm3D: offset must be rank 3 or rank 1 but got rank "+s.rank+".";}),qs(u,c,l,s,a,o);}var Xs=Nn({batchNormalization3d_:function batchNormalization3d_(t,e,n,r,i,o){return void 0===r&&(r=.001),Ls(),Ks(t,e,n,o,i,r);}}),Ys=Nn({batchNorm3d_:Ks});function Js(t,e,n,r,i,o){var a,s,u=xn(t,"x","batchNorm"),c=xn(e,"mean","batchNorm"),l=xn(n,"variance","batchNorm");return null!=i&&(a=xn(i,"scale","batchNorm")),null!=r&&(s=xn(r,"offset","batchNorm")),_(4===u.rank,function(){return "Error in batchNorm4D: x must be rank 4 but got rank "+u.rank+".";}),_(4===c.rank||1===c.rank,function(){return "Error in batchNorm4D: mean must be rank 4 or rank 1 but got rank "+c.rank+".";}),_(4===l.rank||1===l.rank,function(){return "Error in batchNorm4D: variance must be rank 4 or rank 1 but got rank 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n=Mt(r,i),r=n[0],i=n[1],Ur(r.shape,i.shape),Wt.runKernelFunc(function(t){return t.less(r,i);},{a:r,b:i},null,"Less");}}),Uu=Nn({lessEqual_:function lessEqual_(t,e){var n,r=xn(t,"a","lessEqual"),i=xn(e,"b","lessEqual");return n=Mt(r,i),r=n[0],i=n[1],Ur(r.shape,i.shape),Wt.runKernelFunc(function(t,e){var n=t.lessEqual(r,i);return e([r,i]),n;},{a:r,b:i},null,"LessEqual");}}),Wu=Nn({lessEqualStrict_:function lessEqualStrict_(t,e){var n=xn(t,"a","lessEqualStrict"),r=xn(e,"b","lessEqualStrict");return S(n.shape,r.shape,"Error in lessEqualStrict: "),n.lessEqual(r);}}),Vu=Nn({lessStrict_:function lessStrict_(t,e){var n=xn(t,"a","lessStrict"),r=xn(e,"b","lessStrict");return S(n.shape,r.shape,"Error in lessStrict: "),n.less(r);}}),qu=Nn({notEqual_:function notEqual_(t,e){var n,r=xn(t,"a","notEqual"),i=xn(e,"b","notEqual");return n=Mt(r,i),r=n[0],i=n[1],Ur(r.shape,i.shape),Wt.runKernelFunc(function(t){return t.notEqual(r,i);},{a:r,b:i},null,"NotEqual");}}),$u=Nn({notEqualStrict_:function notEqualStrict_(t,e){var n=xn(t,"a","notEqualStrict"),r=xn(e,"b","notEqualStrict");return S(n.shape,r.shape,"Error in notEqualStrict: "),n.notEqual(r);}});function Hu(t,e){for(var n=[],r=t;r<e;++r){n.push(r);}return n;}function Gu(t){for(var e=[],n=0;n<t.length;++n){for(var r=0;r<t[n].length;++r){e.push(t[n][r]);}}return e;}var Ku=Nn({gather_:function gather_(t,e,n){void 0===n&&(n=0);var r=xn(t,"x","gather"),i=xn(e,"indices","gather","int32");n=L(n,r.shape)[0];var o=function(t,e,n){for(var r=t.shape[n],i=[],o=1,a=1,s=0;s<n;s++){i.push(t.shape[s]),o*=t.shape[s];}for(s=0;s<e.rank;s++){i.push(e.shape[s]);}for(s=n+1;s<t.rank;s++){i.push(t.shape[s]),a*=t.shape[s];}return {batchSize:o,sliceSize:a,dimSize:r,outputShape:i};}(r,i,n);return Wt.runKernelFunc(function(t,e){var o=t.gather(r,i.flatten(),n);return e([i]),o;},{x:r,indices:i},function(t,e){var i=e[0];return {x:function x(){var e=r.shape,o=i.size,a=e.slice(0,n),s=a.length,u=e.slice(n,e.length).slice(1),c=u.length,l=Hu(0,s),f=Hu(s+1,s+1+c),h=Gu([a,[o],u]),d=t.reshape(h),p=i.reshape([o]),m=Gu([[s],l,f]),g=d.transpose(m),v=Xu(g,p,r.shape[n]),y=Sn(m);return v.transpose(y);},indices:function indices(){return i;}};},"Gather",{axis:n}).reshape(o.outputShape);}}),Xu=Nn({unsortedSegmentSum_:function unsortedSegmentSum_(t,e,n){var r=xn(t,"x","unsortedSegmentSum"),i=xn(e,"segmentIds","unsortedSegmentSum","int32");return _(I(n),function(){return "numSegments must be of dtype int";}),Wt.runKernelFunc(function(t,e){var o=t.unsortedSegmentSum(r,i,n);return e([i]),o;},{$x:r},function(t,e){var n=e[0];return {$x:function $x(){return function(t,e){for(var n=Oi(e,Qn(e)),r=Ku(t,n),i=Bu(e,Pn(0,"int32")),o=r.rank-i.rank,a=0;a<o;++a){i=fr(i,a+1);}i=nu(i,Hn(r.shape,"bool"));var s=Qn(r);return au(i,r,s);}(t,n);}};});}}),Yu=function Yu(t,e,n){return u(this,void 0,void 0,function(){var r,i,o,a,s,u,l,f,h,d,p,m,g;return c(this,function(c){switch(c.label){case 0:for(r=xn(t,"tensor","boolMask"),i=xn(e,"mask","boolMask","bool"),o=null==n?0:n,a=i.rank,s=r.shape,_(a>0,function(){return "mask cannot be scalar";}),S(s.slice(o,o+a),i.shape,"mask's shape must match the first K dimensions of tensor's shape,"),u=1,l=o;l<o+a;l++){u*=s[l];}return f=s.slice(0,o).concat([u],s.slice(o+a)),h=r.reshape(f),d=i.reshape([-1]),[4,su(d)];case 1:return p=c.sent(),m=p.squeeze([1]),g=Ku(h,m,o),t!==r&&r.dispose(),e!==i&&i.dispose(),m.dispose(),h.dispose(),d.dispose(),p.dispose(),[2,g];}});});};function Ju(t,e,n,r,i,o,a){void 0===o&&(o="NHWC"),_(t.length===e.rank,function(){return "Length of inShape ("+t.length+") and rank of dy ("+e.rank+") must match";});var s=t,u=e,c=!1;3===e.rank&&(c=!0,u=e.as4D(1,e.shape[0],e.shape[1],e.shape[2]),s=[1,t[0],t[1],t[2]]),_(4===s.length,function(){return "Error in conv2dDerInput: inShape must be length 4, but got length "+s.length+".";}),_(4===u.rank,function(){return "Error in conv2dDerInput: dy must be rank 4, but got rank "+u.rank;}),_(4===n.rank,function(){return "Error in conv2dDerInput: filter must be rank 4, but got rank "+n.rank;});var l="NHWC"===o?s[3]:s[1],f="NHWC"===o?u.shape[3]:u.shape[1];_(l===n.shape[2],function(){return "Error in conv2dDerInput: depth of input ("+l+") must match input depth for filter "+n.shape[2]+".";}),_(f===n.shape[3],function(){return "Error in conv2dDerInput: depth of output ("+f+") must match output depth for filter "+n.shape[3]+".";}),null!=a&&_(I(i),function(){return "Error in conv2dDerInput: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+i+".";});var h=_o(o),d=yo(s,n.shape,r,1,i,a,!1,h),p=Wt.runKernelFunc(function(t,e){var r=t.conv2dDerInput(u,n,d);return e([n,u]),r;},{dy4D:u,filter:n},function(t,e){var n=e[0],s=e[1];return {dy4D:function dy4D(){return ec(t,n,r,i,o,1,a);},filter:function filter(){return rc(t,s,n.shape,r,i,o,a);}};});return c?p.as3D(p.shape[1],p.shape[2],p.shape[3]):p;}function Qu(t){var e=function(t){return "number"==typeof t?[t,t,t]:2===t.length?[t[0],t[1],1]:t;}(t),n=e[0],r=e[1],i=e[2];return 1===n&&1===r&&1===i;}function Zu(t,e,n,r,i){_(t.length===e.rank,function(){return "Length of inShape ("+t.length+") and rank of dy ("+e.rank+") must match";});var o=t,a=e,s=!1;4===e.rank&&(s=!0,a=e.as5D(1,e.shape[0],e.shape[1],e.shape[2],e.shape[3]),o=[1,t[0],t[1],t[2],t[3]]);var u=o[4],c=a.shape[4];_(5===o.length,function(){return "Error in conv3dDerInput: inShape must be length 5, but got length "+o.length+".";}),_(5===a.rank,function(){return "Error in conv3dDerInput: dy must be rank 5, but got rank "+a.rank;}),_(5===n.rank,function(){return "Error in conv3dDerInput: filter must be rank 5, but got rank "+n.rank;}),_(u===n.shape[3],function(){return "Error in conv3dDerInput: depth of input ("+u+") must match input depth for filter "+n.shape[3]+".";}),_(c===n.shape[4],function(){return "Error in conv3dDerInput: depth of output ("+c+") must match output depth for filter "+n.shape[4]+".";});var l=bo(o,n.shape,r,1,i),f=Wt.runKernelFunc(function(t){return t.conv3dDerInput(a,n,l);},{dy5D:a});return s?f.as4D(f.shape[1],f.shape[2],f.shape[3],f.shape[4]):f;}var tc=Nn({conv1d_:function conv1d_(t,e,n,r,i,o,a){void 0===i&&(i="NWC"),void 0===o&&(o=1);var s=xn(t,"x","conv1d"),u=xn(e,"filter","conv1d"),c=s,l=!1;2===s.rank&&(l=!0,c=s.as3D(1,s.shape[0],s.shape[1])),_(3===c.rank,function(){return "Error in conv1d: input must be rank 3, but got rank "+c.rank+".";}),_(3===u.rank,function(){return "Error in conv1d: filter must be rank 3, but got rank "+u.rank+".";}),null!=a&&_(I(r),function(){return "Error in conv1d: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+r+".";}),_(c.shape[2]===u.shape[1],function(){return "Error in conv1d: depth of input ("+c.shape[2]+") must match input depth for filter "+u.shape[1]+".";}),_(Oo(n,o),function(){return "Error in conv1D: Either stride or dilation must be 1. Got stride "+n+" and dilation '"+o+"'";}),_("NWC"===i,function(){return "Error in conv1d: got dataFormat of "+i+" but only NWC is currently supported.";});var f=u.as4D(1,u.shape[0],u.shape[1],u.shape[2]),h=c.as4D(c.shape[0],1,c.shape[1],c.shape[2]),d=ec(h,f,[1,n],r,"NHWC",[1,o],a);return l?d.as2D(d.shape[2],d.shape[3]):d.as3D(d.shape[0],d.shape[2],d.shape[3]);}}),ec=Nn({conv2d_:function conv2d_(t,e,n,r,i,o,a){void 0===i&&(i="NHWC"),void 0===o&&(o=[1,1]);var s=xn(t,"x","conv2d"),u=xn(e,"filter","conv2d"),c=s,l=!1;3===s.rank&&(l=!0,c=s.as4D(1,s.shape[0],s.shape[1],s.shape[2])),_(4===c.rank,function(){return "Error in conv2d: input must be rank 4, but got rank "+c.rank+".";}),_(4===u.rank,function(){return "Error in conv2d: filter must be rank 4, but got rank "+u.rank+".";}),null!=a&&_(I(r),function(){return "Error in conv2d: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+r+".";});var f="NHWC"===i?c.shape[3]:c.shape[1];_(f===u.shape[2],function(){return "Error in conv2d: depth of input ("+f+") must match input depth for filter "+u.shape[2]+".";}),_(Oo(n,o),function(){return "Error in conv2D: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+o+"'";});var h=_o(i),d=yo(c.shape,u.shape,n,o,r,a,!1,h),p=[u,c],m=Wt.runKernelFunc(function(t,e){var n=t.conv2d(c,u,d);return e([u,c]),n;},{x:c,filter:u},function(t,e){var a=e,s=a[0],u=a[1];return _(Ao(o),function(){return "Error in gradient of conv2D: dilation rates greater than 1 are not yet supported in gradients. Got dilations '"+o+"'";}),{x:function x(){return ic(u.shape,t,s,n,r,i);},filter:function filter(){return rc(u,t,s.shape,n,r,i);}};},"Conv2D",d,p);return l?m.as3D(m.shape[1],m.shape[2],m.shape[3]):m;}}),nc=Nn({conv3d_:function conv3d_(t,e,n,r,i,o){void 0===i&&(i="NDHWC"),void 0===o&&(o=[1,1,1]);var a=xn(t,"x","conv3d"),s=xn(e,"filter","conv3d"),u=a,c=!1;4===a.rank&&(c=!0,u=a.as5D(1,a.shape[0],a.shape[1],a.shape[2],a.shape[3])),_(5===u.rank,function(){return "Error in conv3d: input must be rank 5, but got rank "+u.rank+".";}),_(5===s.rank,function(){return "Error in conv3d: filter must be rank 5, but got rank "+s.rank+".";}),_(u.shape[4]===s.shape[3],function(){return "Error in conv3d: depth of input ("+u.shape[4]+") must match input depth for filter "+s.shape[3]+".";}),_(function(t,e){return Qu(n)||Qu(e);}(0,o),function(){return "Error in conv3D: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+o+"'";}),_("NDHWC"===i,function(){return "Error in conv3d: got dataFormat of "+i+" but only NDHWC is currently supported.";});var l=bo(u.shape,s.shape,n,o,r),f=Wt.runKernelFunc(function(t,e){var n=t.conv3d(u,s,l);return e([u,s]),n;},{x:u,$filter:s},function(t,e){_(Qu(o),function(){return "Error in gradient of conv3D: dilation rates greater than 1 are not yet supported in gradients. Got dilations '"+o+"'";});var i=e[0],a=e[1];return {x:function x(){return Zu(i.shape,t,a,n,r);},$filter:function $filter(){return function(t,e,n,r,i){var o=t;4===t.rank&&(o=t.as5D(1,t.shape[0],t.shape[1],t.shape[2],t.shape[3]));var a=e;4===a.rank&&(a=e.as5D(1,e.shape[0],e.shape[1],e.shape[2],e.shape[3])),_(5===o.rank,function(){return "Error in conv3dDerFilter: input must be rank 5, but got shape "+o.shape+".";}),_(5===a.rank,function(){return "Error in conv3dDerFilter: dy must be rank 5, but got shape "+a.shape+".";}),_(5===n.length,function(){return "Error in conv3dDerFilter: filterShape must be length 5, but got "+n+".";}),_(o.shape[4]===n[3],function(){return "Error in conv3dDerFilter: depth of input "+o.shape[4]+") must match input depth in filter ("+n[3]+".";}),_(a.shape[4]===n[4],function(){return "Error in conv3dDerFilter: depth of dy ("+a.shape[4]+") must match output depth for filter ("+n[4]+").";});var s=bo(o.shape,n,r,1,i);return Wt.runKernelFunc(function(t){return t.conv3dDerFilter(o,a,s);},{x5D:o,dy5D:a});}(i,t,a.shape,n,r);}};});return c?f.as4D(f.shape[1],f.shape[2],f.shape[3],f.shape[4]):f;}}),rc=Nn({conv2dDerFilter_:function conv2dDerFilter_(t,e,n,r,i,o,a){void 0===o&&(o="NHWC");var s=t;3===t.rank&&(s=t.as4D(1,t.shape[0],t.shape[1],t.shape[2]));var u=e;3===u.rank&&(u=e.as4D(1,e.shape[0],e.shape[1],e.shape[2])),_(4===s.rank,function(){return "Error in conv2dDerFilter: input must be rank 4, but got shape "+s.shape+".";}),_(4===u.rank,function(){return "Error in conv2dDerFilter: dy must be rank 4, but got shape "+u.shape+".";}),_(4===n.length,function(){return "Error in conv2dDerFilter: filterShape must be length 4, but got "+n+".";});var c="NHWC"===o?s.shape[3]:s.shape[1],l="NHWC"===o?u.shape[3]:u.shape[1];_(c===n[2],function(){return "Error in conv2dDerFilter: depth of input "+c+") must match input depth in filter ("+n[2]+".";}),_(l===n[3],function(){return "Error in conv2dDerFilter: depth of dy ("+l+") must match output depth for filter ("+n[3]+").";}),null!=a&&_(I(i),function(){return "Error in conv2dDerFilter: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+i+".";});var f=_o(o),h=yo(s.shape,n,r,1,i,a,!1,f);return Wt.runKernelFunc(function(t){return t.conv2dDerFilter(s,u,h);},{x4D:s,dy4D:u});}}),ic=Nn({conv2dDerInput_:Ju}),oc=Nn({depthwiseConv2d_:function depthwiseConv2d_(t,e,n,r,i,o,a){void 0===o&&(o=[1,1]);var s=xn(t,"x","depthwiseConv2d"),u=xn(e,"filter","depthwiseConv2d"),c=s,l=!1;3===s.rank&&(l=!0,c=s.as4D(1,s.shape[0],s.shape[1],s.shape[2])),_(4===c.rank,function(){return "Error in depthwiseConv2d: input must be rank 4, but got rank "+c.rank+".";}),_(4===u.rank,function(){return "Error in depthwiseConv2d: filter must be rank 4, but got rank "+u.rank+".";}),_(c.shape[3]===u.shape[2],function(){return "Error in depthwiseConv2d: number of input channels ("+c.shape[3]+") must match the inChannels dimension in filter "+u.shape[2]+".";}),null==o&&(o=[1,1]),_(Oo(n,o),function(){return "Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+o+"'";}),null!=a&&_(I(r),function(){return "Error in depthwiseConv2d: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+r+".";});var f=yo(c.shape,u.shape,n,o,r,a,!0),h=[c,u],d=Wt.runKernelFunc(function(t,e){var n=t.depthwiseConv2D(c,u,f);return e([c,u]),n;},{x:c,filter:u},function(t,e){_(Ao(o),function(){return "Error in gradient of depthwiseConv2d: dilation rates greater than 1 are not yet supported. Got dilations '"+o+"'";});var n=e[0],r=e[1];return {x:function x(){return ac(n.shape,t,r,f);},filter:function filter(){return sc(n,t,r.shape,f);}};},"DepthwiseConv2dNative",f,h);return l?d.as3D(d.shape[1],d.shape[2],d.shape[3]):d;}}),ac=Nn({depthwiseConv2dDerInput_:function depthwiseConv2dDerInput_(t,e,n,r){var i=e,o=!1;3===e.rank&&(o=!0,i=e.as4D(1,e.shape[0],e.shape[1],e.shape[2]));var a=Wt.runKernelFunc(function(t){return t.depthwiseConv2DDerInput(i,n,r);},{dy4D:i});return o?a.as3D(a.shape[1],a.shape[2],a.shape[3]):a;}}),sc=Nn({depthwiseConv2dDerFilter_:function depthwiseConv2dDerFilter_(t,e,n,r){var i=t;3===t.rank&&(i=t.as4D(1,t.shape[0],t.shape[1],t.shape[2]));var o=e;return 3===o.rank&&(o=e.as4D(1,e.shape[0],e.shape[1],e.shape[2])),Wt.runKernelFunc(function(t){return t.depthwiseConv2DDerFilter(i,o,r);},{x4D:i,dy4D:o});}}),uc=Nn({separableConv2d_:function separableConv2d_(t,e,n,r,i,o,a){void 0===o&&(o=[1,1]),void 0===a&&(a="NHWC");var s=xn(t,"x","separableConv2d"),u=xn(e,"depthwiseFilter","separableConv2d"),c=xn(n,"pointwiseFilter","separableConv2d"),l=s,f=!1;if(3===s.rank&&(f=!0,l=s.as4D(1,s.shape[0],s.shape[1],s.shape[2])),"NCHW"===a)throw new Error("separableConv2d currently does not support dataFormat NCHW; only NHWC is supported");_(4===l.rank,function(){return "Error in separableConv2d: input must be rank 4, but got rank "+l.rank+".";}),_(4===u.rank,function(){return "Error in separableConv2d: depthwise filter must be rank 4, but got rank "+u.rank+".";}),_(4===c.rank,function(){return "Error in separableConv2d: pointwise filter must be rank 4, but got rank "+u.rank+".";}),_(1===c.shape[0],function(){return "Error in separableConv2d: the first dimension of pointwise filter  must be 1, but got "+c.shape[0]+".";}),_(1===c.shape[1],function(){return "Error in separableConv2d: the second dimension of pointwise filter must be 1, but got "+c.shape[1]+".";});var h=u.shape[2],d=u.shape[3];_(c.shape[2]===h*d,function(){return "Error in separableConv2d: the third dimension of pointwise filter must be "+h*d+", but got "+c.shape[2]+".";});var p=oc(l,u,r,i,a,o),m=ec(p,c,1,"valid",a);return f?m.as3D(m.shape[1],m.shape[2],m.shape[3]):m;}}),cc=Nn({conv2dTranspose_:function conv2dTranspose_(t,e,n,r,i,o){return Ju(n,xn(t,"x","conv2dTranspose"),xn(e,"filter","conv2dTranspose"),r,i,"NHWC",o);}}),lc=Nn({conv3dTranspose_:function conv3dTranspose_(t,e,n,r,i){return Zu(n,xn(t,"x","conv3dTranspose"),xn(e,"filter","conv3dTranspose"),r,i);}}),fc=Nn({matMul_:function matMul_(t,e,n,r){var i;void 0===n&&(n=!1),void 0===r&&(r=!1);var o=xn(t,"a","matMul"),a=xn(e,"b","matMul");i=Mt(o,a),o=i[0],a=i[1];var s=n?o.shape[o.rank-2]:o.shape[o.rank-1],u=r?a.shape[a.rank-1]:a.shape[a.rank-2],c=n?o.shape[o.rank-1]:o.shape[o.rank-2],l=r?a.shape[a.rank-2]:a.shape[a.rank-1],f=o.shape.slice(0,-2),h=a.shape.slice(0,-2),d=T(f),p=T(h);_(o.rank>=2&&a.rank>=2&&o.rank===a.rank,function(){return "Error in matMul: inputs must have the same rank of at least 2, got ranks "+o.rank+" and "+a.rank+".";}),_(N(f,h),function(){return "Error in matMul: outer dimensions ("+f+") and ("+h+") of Tensors with shapes "+o.shape+" and "+a.shape+" must match.";}),_(s===u,function(){return "Error in matMul: inner shapes ("+s+") and ("+u+") of Tensors with shapes "+o.shape+" and "+a.shape+" and transposeA="+n+" and transposeB="+r+" must match.";});var m=o.shape.slice(0,-2).concat([c,l]),g=n?o.as3D(d,s,c):o.as3D(d,c,s),v=r?a.as3D(p,l,u):a.as3D(p,u,l),y={transposeA:n,transposeB:r};return Wt.runKernelFunc(function(t,e){var i=t.batchMatMul(g,v,n,r);return e([g,v]),i;},{a:g,b:v},function(t,e){var i=e,o=i[0],_a3=i[1];return n||r?!n&&r?{a:function a(){return t.matMul(_a3,!1,!1);},b:function b(){return t.matMul(o,!0,!1);}}:n&&!r?{a:function a(){return _a3.matMul(t,!1,!0);},b:function b(){return o.matMul(t,!1,!1);}}:{a:function a(){return _a3.matMul(t,!0,!0);},b:function b(){return t.matMul(o,!0,!0);}}:{a:function a(){return t.matMul(_a3,!1,!0);},b:function b(){return o.matMul(t,!0,!1);}};},"BatchMatMul",y).reshape(m);}}),hc=Nn({dot_:function dot_(t,e){var n=xn(t,"t1","dot"),r=xn(e,"t2","dot");_(!(1!==n.rank&&2!==n.rank||1!==r.rank&&2!==r.rank),function(){return "Error in dot: inputs must all be rank 1 or 2, but got ranks "+n.rank+" and "+r.rank+".";});var i=1===n.rank?n.size:n.shape[1],o=1===r.rank?r.size:r.shape[0];return _(i===o,function(){return "Error in dot: inner dimensions of inputs must match, but got "+i+" and "+o+".";}),1===n.rank&&1===r.rank?n.as2D(1,-1).matMul(r.as2D(-1,1)).asScalar():1===n.rank&&2===r.rank?n.as2D(1,-1).matMul(r.as2D(r.shape[0],r.shape[1])).as1D():2===n.rank&&1===r.rank?n.matMul(r.as2D(-1,1)).as1D():n.matMul(r.as2D(r.shape[0],r.shape[1]));}}),dc=Nn({outerProduct_:function outerProduct_(t,e){var n=xn(t,"v1","outerProduct"),r=xn(e,"v2","outerProduct");return _(1===n.rank&&1===r.rank,function(){return "Error in outerProduct: inputs must be rank 1, but got ranks "+n.rank+" and "+r.rank+".";}),n.as2D(-1,1).matMul(r.as2D(1,-1));}}),pc=Nn({reverse_:function reverse_(t,e){var n=xn(t,"x","reverse");if(0===n.rank)return n.clone();var r=L(e,n.shape);return Wt.runKernelFunc(function(t){return t.reverse(n,r);},{$x:n},function(t){return {$x:function $x(){return t.reverse(r);}};}).reshapeAs(n);}}),mc=Nn({reverse1d_:function reverse1d_(t){var e=xn(t,"x","reverse");return _(1===e.rank,function(){return "Error in reverse1D: x must be rank 1 but got rank "+e.rank+".";}),pc(e,0);}}),gc=Nn({reverse2d_:function reverse2d_(t,e){var n=xn(t,"x","reverse");return _(2===n.rank,function(){return "Error in reverse2D: x must be rank 2 but got rank "+n.rank+".";}),pc(n,e);}}),vc=Nn({reverse3d_:function reverse3d_(t,e){var n=xn(t,"x","reverse");return _(3===n.rank,function(){return "Error in reverse3D: x must be rank 3 but got rank "+n.rank+".";}),pc(n,e);}}),yc=Nn({reverse4d_:function reverse4d_(t,e){var n=xn(t,"x","reverse");return _(4===n.rank,function(){return "Error in reverse4D: x must be rank 4 but got rank "+n.rank+".";}),pc(n,e);}});function bc(t,e,n,r,i,o){var a=xn(t,"x","maxPool"),s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),null==r&&(r=[1,1]),_(4===s.rank,function(){return "Error in maxPool: input must be rank 4 but got rank "+s.rank+".";}),_(Oo(n,r),function(){return "Error in maxPool: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+r+"'";}),null!=o&&_(I(i),function(){return "Error in maxPool: pad must be an integer when using, dimRoundingMode "+o+" but got pad "+i+".";});var c=go(s.shape,e,n,r,i,o);if(1===c.filterWidth&&1===c.filterHeight&&N(c.inShape,c.outShape))return a.clone();var l=[s],f=Wt.runKernelFunc(function(t,e){var n=t.maxPool(s,c);return e([s,n]),n;},{x:s},function(t,o){var a=o[0],s=o[1];return {x:function x(){return function(t,e,n,r,i,o,a,s){var u=xn(t,"dy","maxPoolBackprop"),c=xn(e,"input","maxPoolBackprop"),l=xn(n,"output","maxPoolBackprop");_(c.rank===u.rank,function(){return "Rank of input ("+c.rank+") does not match rank of dy ("+u.rank+")";}),null==o&&(o=[1,1]),_(Oo(i,o),function(){return "Error in maxPoolBackProp: Either strides or dilations must be 1. Got strides "+i+" and dilations '"+o+"'";}),_(4===u.rank,function(){return "Error in maxPoolBackprop: dy must be rank 4 but got rank "+u.rank+".";}),_(4===c.rank,function(){return "Error in maxPoolBackprop: input must be rank 4 but got rank "+c.rank+".";});var f=go(c.shape,r,i,o,a,s);return Wt.runKernelFunc(function(t){return t.maxPoolBackprop(u,c,l,f);},{$dy:u,$input:c});}(t,a,s,e,n,r,i);}};},"MaxPool",c,l);return u?f.as3D(f.shape[1],f.shape[2],f.shape[3]):f;}function xc(t,e,n,r,i,o){var a=xn(t,"x","avgPool","float32");null==r&&(r=[1,1]),_(Oo(n,r),function(){return "Error in avgPool: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+r+"'";});var s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(4===s.rank,function(){return "Error in avgPool: x must be rank 4 but got rank "+s.rank+".";}),null!=o&&_(I(i),function(){return "Error in avgPool: pad must be an integer when using, dimRoundingMode "+o+" but got pad "+i+".";});var c=go(s.shape,e,n,r,i,o);if(1===c.filterWidth&&1===c.filterHeight&&N(c.inShape,c.outShape))return a.clone();var l=Wt.runKernelFunc(function(t){return t.avgPool(s,c);},{x:s},function(t){return {x:function x(){return function(t,e,n,r,i,o){var a=xn(t,"dy","avgPoolBackprop"),s=xn(e,"input","avgPoolBackprop");_(s.rank===a.rank,function(){return "Rank of input ("+s.rank+") does not match rank of dy ("+a.rank+")";}),null==i&&(i=[1,1]),_(Oo(r,i),function(){return "Error in avgPoolBackprop: Either strides or dilations must be 1. Got strides "+r+" and dilations '"+i+"'";});var u=s,c=a,l=!1;3===s.rank&&(l=!0,u=s.as4D(1,s.shape[0],s.shape[1],s.shape[2]),c=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(4===c.rank,function(){return "Error in avgPoolBackprop: dy must be rank 4 but got rank "+c.rank+".";}),_(4===u.rank,function(){return "Error in avgPoolBackprop: input must be rank 4 but got rank "+u.rank+".";});var f=go(u.shape,n,r,i,o),h=Wt.runKernelFunc(function(t){return t.avgPoolBackprop(c,u,f);},{dy4D:c,input4D:u});return l?h.as3D(h.shape[1],h.shape[2],h.shape[3]):h;}(t,s,e,n,r,i);}};},"AvgPool",c);return l=l.cast(a.dtype),u?l.as3D(l.shape[1],l.shape[2],l.shape[3]):l;}var wc=Nn({maxPool_:function maxPool_(t,e,n,r,i){return bc(t,e,n,1,r,i);}}),kc=Nn({avgPool_:function avgPool_(t,e,n,r,i){return xc(t,e,n,1,r,i);}}),Ec=Nn({pool_:function pool_(t,e,n,r,i,o){null==i&&(i=[1,1]),null==o&&(o=1),0===r&&(r="valid");var a=xn(t,"x","maxPool"),s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(Oo(o,i),function(){return "Error in pool: Either strides or dilations must be 1. Got strides "+o+" and dilations '"+i+"'";});var c,l=go(s.shape,e,o,i,r),f=[l.dilationHeight,l.dilationWidth];c="same"===r?function(t,e){var n=t.map(function(t,n){return t+(t-1)*(e[n]-1);}).map(function(t){return t-1;}),r=n.map(function(t){return Math.floor(t/2);}),i=n.map(function(t,e){return t-r[e];});return n.map(function(t,e){return [r[e],i[e]];});}([l.filterHeight,l.filterWidth],f):[[0,0],[0,0]];var h=1===f[0]&&1===f[1],d=function(t,e,n){var r=n.map(function(t){return t[0];}),i=n.map(function(t){return t[1];}),o=t.concat(r,i),a=e.map(function(t,e){return (t-o[e]%t)%t;}),s=i.map(function(t,e){return t+a[e];});return [e.map(function(t,e){return [r[e],s[e]];}),e.map(function(t,e){return [0,a[e]];})];}([l.inHeight,l.inWidth],f,c),p=d[0],m=d[1],g=h?r:"valid",v=h?s:dr(s,f,p),y=("avg"===n?function(){return xc(v,e,o,1,g);}:function(){return bc(v,e,o,1,g);})(),b=h?y:sr(y,f,m);return u?b.as3D(b.shape[1],b.shape[2],b.shape[3]):b;}}),Cc=Nn({maxPool3d_:function maxPool3d_(t,e,n,r,i,o,a){void 0===o&&(o="NDHWC");var s=xn(t,"x","maxPool3d"),u=s,c=!1;4===s.rank&&(c=!0,u=s.as5D(1,s.shape[0],s.shape[1],s.shape[2],s.shape[3])),null==a&&(a=[1,1,1]),_(5===u.rank,function(){return "Error in maxPool3d: x must be rank 5 but got rank "+u.rank+".";}),_("NDHWC"===o,function(){return "Error in maxPool3d: Only NDHWC is currently supported, but got dataFormat of "+o;}),_(Oo(n,a),function(){return "Error in maxPool3d: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+a+"'";}),null!=i&&_(I(r),function(){return "Error in maxPool3d: pad must be an integer when using, dimRoundingMode "+i+" but got pad "+r+".";});var l=vo(u.shape,e,n,a,r,i,o),f=Wt.runKernelFunc(function(t,e){var n=t.maxPool3d(u,l);return e([u,n]),n;},{x:u},function(t,o){var s=o[0],u=o[1];return {x:function x(){return function(t,e,n,r,i,o,a,s){var u=xn(t,"dy","maxPool3dBackprop"),c=xn(e,"input","maxPool3dBackprop"),l=xn(n,"output","maxPool3dBackprop"),f=u,h=c,d=l,p=!1;4===c.rank&&(p=!0,f=u.as5D(1,u.shape[0],u.shape[1],u.shape[2],u.shape[3]),h=c.as5D(1,c.shape[0],c.shape[1],c.shape[2],c.shape[3]),d=l.as5D(1,l.shape[0],l.shape[1],l.shape[2],l.shape[3])),_(5===f.rank,function(){return "Error in maxPool3dBackprop: dy must be rank 5 but got rank "+f.rank+".";}),_(5===h.rank,function(){return "Error in maxPool3dBackprop: input must be rank 5 but got rank "+h.rank+".";}),_(5===d.rank,function(){return "Error in maxPool3dBackprop: output must be rank 5 but got rank "+d.rank+".";}),null==o&&(o=[1,1,1]),_(Oo(i,o),function(){return "Error in maxPool3dBackprop: Either strides or dilations must be 1. Got strides "+i+" and dilations '"+o+"'";}),null!=s&&_(I(a),function(){return "Error in maxPool3dBackprop: pad must be an integer when using, dimRoundingMode "+s+" but got pad "+a+".";});var m=vo(h.shape,r,i,o,a,s),g=Wt.runKernelFunc(function(t){return t.maxPool3dBackprop(f,h,d,m);},{dy5D:f,input5D:h});return p?g.as4D(g.shape[1],g.shape[2],g.shape[3],g.shape[4]):g;}(t,s,u,e,n,a,r,i);}};});return c?f.as4D(f.shape[1],f.shape[2],f.shape[3],f.shape[4]):f;}}),Ac=Nn({avgPool3d_:function avgPool3d_(t,e,n,r,i,o,a){void 0===o&&(o="NDHWC");var s=xn(t,"x","avgPool3d","float32"),u=s,c=!1;4===s.rank&&(c=!0,u=s.as5D(1,s.shape[0],s.shape[1],s.shape[2],s.shape[3])),null==a&&(a=[1,1,1]),_(5===u.rank,function(){return "Error in avgPool3d: x must be rank 5 but got rank "+u.rank+".";}),_("NDHWC"===o,function(){return "Error in avgPool3d: Only NDHWC is currently supported, but got dataFormat of "+o;}),_(Oo(n,a),function(){return "Error in avgPool3d: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+a+"'";}),null!=i&&_(I(r),function(){return "Error in avgPool3d: pad must be an integer when using, dimRoundingMode "+i+" but got pad "+r+".";});var l=vo(u.shape,e,n,a,r,i,o),f=Wt.runKernelFunc(function(t){return t.avgPool3d(u,l);},{x:u},function(t){return {x:function x(){return function(t,e,n,r,i,o,a){var s=xn(t,"dy","avgPool3dBackprop"),u=xn(e,"input","avgPool3dBackprop"),c=s,l=u,f=!1;4===u.rank&&(f=!0,c=s.as5D(1,s.shape[0],s.shape[1],s.shape[2],s.shape[3]),l=u.as5D(1,u.shape[0],u.shape[1],u.shape[2],u.shape[3])),_(5===c.rank,function(){return "Error in avgPool3dBackprop: dy must be rank 5 but got rank "+c.rank+".";}),_(5===l.rank,function(){return "Error in avgPool3dBackprop: input must be rank 5 but got rank "+l.rank+".";}),null==i&&(i=[1,1,1]),_(Oo(r,i),function(){return "Error in avgPool3dBackprop: Either strides or dilations must be 1. Got strides "+r+" and dilations '"+i+"'";}),null!=a&&_(I(o),function(){return "Error in maxPool3dBackprop: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+o+".";});var h=vo(l.shape,n,r,i,o,a),d=Wt.runKernelFunc(function(t){return t.avgPool3dBackprop(c,l,h);},{dy5D:c,input5D:l});return f?d.as4D(d.shape[1],d.shape[2],d.shape[3],d.shape[4]):d;}(t,u,e,n,a,r,i);}};});return f=f.cast(u.dtype),c?f.as4D(f.shape[1],f.shape[2],f.shape[3],f.shape[4]):f;}}),Oc=Nn({maxPoolWithArgmax_:function maxPoolWithArgmax_(t,e,n,r,i){void 0===i&&(i=!1);var o=xn(t,"x","maxPoolWithArgmax"),a={filterSize:e,strides:n,pad:r,includeBatchInIndex:i},s=Wt.runKernel("MaxPoolWithArgmax",{x:o},a);return {result:s[0],indexes:s[1]};}}),_c=Nn({slice_:function slice_(t,e,n){var r,i,o=xn(t,"x","slice");if(0===o.rank)throw new Error("Slicing scalar is not possible");(r="number"==typeof e?[e].concat(new Array(o.rank-1).fill(0)):e.length<o.rank?e.concat(new Array(o.rank-e.length).fill(0)):e.slice()).forEach(function(t){_(-1!==t,function(){return "slice() does not support negative begin indexing.";});}),i=(i=null==n?new Array(o.rank).fill(-1):"number"==typeof n?[n].concat(new Array(o.rank-1).fill(-1)):n.length<o.rank?n.concat(new Array(o.rank-n.length).fill(-1)):n).map(function(t,e){return t>=0?t:(_(-1===t,function(){return "Negative size values should be exactly -1 but got "+t+" for the slice() size at index "+e+".";}),o.shape[e]-r[e]);}),Ki(o,r,i);var a=o.shape,s={begin:r,size:i};return Wt.runKernelFunc(function(t){return t.slice(o,r,i);},{x:o},function(t){for(var e=[],n=0;n<t.rank;n++){e.push([r[n],a[n]-r[n]-i[n]]);}return {x:function x(){return du(t,e);}};},"Slice",s);}}),Sc=Nn({slice1d_:function slice1d_(t,e,n){var r=xn(t,"x","slice1d");return _(1===r.rank,function(){return "slice1d expects a rank-1 tensor, but got a rank-"+r.rank+" tensor";}),_c(r,[e],[n]);}}),Dc=Nn({slice2d_:function slice2d_(t,e,n){var r=xn(t,"x","slice2d");return _(2===r.rank,function(){return "slice2d expects a rank-2 tensor, but got a rank-"+r.rank+" tensor";}),_c(r,e,n);}}),Fc=Nn({slice3d_:function slice3d_(t,e,n){var r=xn(t,"x","slice3d");return _(3===r.rank,function(){return "slice3d expects a rank-3 tensor, but got a rank-"+r.rank+" tensor";}),_c(r,e,n);}}),Tc=Nn({slice4d_:function slice4d_(t,e,n){var r=xn(t,"x","slice4d");return _(4===r.rank,function(){return "slice4d expects a rank-4 tensor, but got a rank-"+r.rank+" tensor";}),_c(r,e,n);}});function Nc(t,e,n,r,i){return e.rank<n.rank&&(e=e.reshape(An(e.shape,r))),t.rank<n.rank&&(t=t.reshape(An(t.shape,r))),{x:function x(){var r=t.mul(n.equal(e).cast(t.dtype));return null==i?r:r.transpose(i);}};}var Ic=Nn({all_:function all_(t,e,n){void 0===e&&(e=null),void 0===n&&(n=!1);var r=xn(t,"x","all","bool"),i=L(e,r.shape),o=i,a=_n(o,r.rank);null!=a&&(r=r.transpose(a),o=Dn(o.length,r.rank));var s=Wt.runKernelFunc(function(t){return t.all(r,o);},{$x:r});if(n){var u=An(s.shape,i);return s.reshape(u);}return s;}}),Rc=Nn({any_:function any_(t,e,n){void 0===e&&(e=null),void 0===n&&(n=!1);var r=xn(t,"x","any","bool"),i=L(e,r.shape),o=i,a=_n(o,r.rank);null!=a&&(r=r.transpose(a),o=Dn(o.length,r.rank));var s=Wt.runKernelFunc(function(t){return t.any(r,o);},{$x:r});if(n){var u=An(s.shape,i);return s.reshape(u);}return s;}}),Mc=Nn({argMax_:function argMax_(t,e){void 0===e&&(e=0);var n=xn(t,"x","argMax");null==e&&(e=0);var r=L(e,n.shape),i=_n(r,n.rank);null!=i&&(n=n.transpose(i),r=Dn(r.length,n.rank));var o={axis:r[0]},a=[n];return Wt.runKernelFunc(function(t,e){var i=t.argMax(n,r[0]);return e([n]),i;},{x:n},function(t,e){var n=e[0];return {x:function x(){return Qn(n);}};},"ArgMax",o,a);}}),jc=Nn({argMin_:function argMin_(t,e){void 0===e&&(e=0);var n=xn(t,"x","argMin");null==e&&(e=0);var r=L(e,n.shape),i=_n(r,n.rank);return null!=i&&(n=n.transpose(i),r=Dn(r.length,n.rank)),Wt.runKernelFunc(function(t,e){var i=t.argMin(n,r[0]);return e([n]),i;},{$x:n},function(t,e){var 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o=xn(t,"labels","huberLoss"),a=xn(e,"predictions","huberLoss"),s=null;null!=n&&(s=xn(n,"weights","huberLoss")),S(o.shape,a.shape,"Error in huberLoss: ");var u=Pn(r),c=a.sub(o).abs(),l=Si(c,u),f=c.sub(l),h=Pn(.5).mul(l.square()).add(u.mul(f));return kl(h,s,i);}}),Ol=Nn({logLoss_:function logLoss_(t,e,n,r,i){void 0===r&&(r=1e-7),void 0===i&&(i=pl.SUM_BY_NONZERO_WEIGHTS);var o=xn(t,"labels","logLoss"),a=xn(e,"predictions","logLoss"),s=null;null!=n&&(s=xn(n,"weights","logLoss")),S(o.shape,a.shape,"Error in logLoss: ");var u=Pn(1),c=Pn(r),l=o.mul(a.add(c).log()).neg().sub(u.sub(o).mul(u.sub(a).add(c).log()));return kl(l,s,i);}}),_l=Nn({meanSquaredError_:function meanSquaredError_(t,e,n,r){void 0===r&&(r=pl.SUM_BY_NONZERO_WEIGHTS);var i=xn(t,"labels","meanSquaredError"),o=xn(e,"predictions","meanSquaredError"),a=null;null!=n&&(a=xn(n,"weights","meanSquaredError")),S(i.shape,o.shape,"Error in meanSquaredError: ");var s=i.squaredDifference(o);return kl(s,a,r);}}),Sl=Nn({sigmoidCrossEntropy_:function sigmoidCrossEntropy_(t,e,n,r,i){void 0===r&&(r=0),void 0===i&&(i=pl.SUM_BY_NONZERO_WEIGHTS);var o=xn(t,"multiClassLabels","sigmoidCrossEntropy"),a=xn(e,"logits","sigmoidCrossEntropy"),s=null;if(null!=n&&(s=xn(n,"weights","sigmoidCrossEntropy")),S(o.shape,a.shape,"Error in sigmoidCrossEntropy: "),r>0){var u=Pn(r),c=Pn(1),l=Pn(.5);o=o.mul(c.sub(u)).add(l.mul(u));}var f=function(t,e){var n=xn(t,"labels","sigmoidCrossEntropyWithLogits"),r=xn(e,"logits","sigmoidCrossEntropyWithLogits");S(n.shape,r.shape,"Error in sigmoidCrossEntropyWithLogits: ");var i=r.relu(),o=r.mul(n),a=r.abs().neg().exp().log1p();return i.sub(o).add(a);}(o,a);return kl(f,s,i);}}),Dl=Nn({softmaxCrossEntropy_:function softmaxCrossEntropy_(t,e,n,r,i){void 0===r&&(r=0),void 0===i&&(i=pl.SUM_BY_NONZERO_WEIGHTS);var o=xn(t,"onehotLabels","softmaxCrossEntropy"),a=xn(e,"logits","softmaxCrossEntropy"),s=null;if(null!=n&&(s=xn(n,"weights","softmaxCrossEntropy")),S(o.shape,a.shape,"Error in softmaxCrossEntropy: "),r>0){var u=Pn(r),c=Pn(1),l=Pn(o.shape[1]);o=o.mul(c.sub(u)).add(u.div(l));}var f=function(t,e,n){if(void 0===n&&(n=-1),-1===n&&(n=e.rank-1),n!==e.rank-1)throw Error("Softmax cross entropy along a non-last dimension is not yet supported. Labels / logits was rank "+e.rank+" and dim was "+n);return so(function(t,e,r){var i=e.logSumExp([n],!0),o=e.toFloat().sub(i);return r([t,o]),{value:o.mul(t).neg().sum([n]),gradFunc:function gradFunc(t,e){var r=e[0],i=e[1],o=An(t.shape,[n]);return [t.reshape(o).mul(r.toFloat().sub(i.exp())),t.reshape(o).mul(i.exp().sub(r.toFloat()))];}};})(t,e);}(o,a);return kl(f,s,i);}}),Fl=Object.freeze({get Reduction(){return pl;},absoluteDifference:wl,computeWeightedLoss:kl,cosineDistance:El,hingeLoss:Cl,huberLoss:Al,logLoss:Ol,meanSquaredError:_l,sigmoidCrossEntropy:Sl,softmaxCrossEntropy:Dl});function Tl(t,e){return void 0===e&&(e=!1),Wt.tidy(function(){if(2!==t.shape.length)throw new Error("qr2d() requires a 2D Tensor, but got a "+t.shape.length+"D Tensor.");for(var n=t.shape[0],r=t.shape[1],i=lu(n),o=t.clone(),a=zn([[1]],[1,1]),s=a.clone(),u=n>=r?r:n,c=function c(t){var e,u=o,c=s,l=i;e=Wt.tidy(function(){var e=o.slice([t,t],[n-t,1]),u=e.norm(),c=o.slice([t,t],[1,1]),l=zn([[-1]]).where(c.greater(0),zn([[1]])),f=c.sub(l.mul(u)),h=e.div(f);s=1===h.shape[0]?a.clone():a.concat(h.slice([1,0],[h.shape[0]-1,h.shape[1]]),0);var d=l.matMul(f).div(u).neg(),p=o.slice([t,0],[n-t,r]),m=d.mul(s),g=s.transpose();if(0===t)o=p.sub(m.matMul(g.matMul(p)));else {var v=p.sub(m.matMul(g.matMul(p)));o=o.slice([0,0],[t,r]).concat(v,0);}var y=m.transpose(),b=i.slice([0,t],[n,i.shape[1]-t]);if(0===t)i=b.sub(b.matMul(s).matMul(y));else {var x=b.sub(b.matMul(s).matMul(y));i=i.slice([0,0],[n,t]).concat(x,1);}return [s,o,i];}),s=e[0],o=e[1],i=e[2],on([u,c,l]);},l=0;l<u;++l){c(l);}return !e&&n>r&&(i=i.slice([0,0],[n,r]),o=o.slice([0,0],[r,r])),[i,o];});}var Nl=Nn({bandPart_:function bandPart_(t,e,n){if(e%1!=0)throw new Error("bandPart(): numLower must be an integer, got "+e+".");if(n%1!=0)throw new Error("bandPart(): numUpper must be an integer, got "+n+".");var r=xn(t,"a","bandPart");if(r.rank<2)throw new Error("bandPart(): Rank must be at least 2, got "+r.rank+".");var i=r.shape,o=r.shape.slice(-2),a=o[0],s=o[1];if(!(e<=a))throw new Error("bandPart(): numLower ("+e+") must not be greater than the number of rows ("+a+").");if(!(n<=s))throw new Error("bandPart(): numUpper ("+n+") must not be greater than the number of columns ("+s+").");e<0&&(e=a),n<0&&(n=s);var u=Yn(0,a,1,"int32").reshape([-1,1]),c=Yn(0,s,1,"int32"),l=Bi(u,c),f=nu(l.lessEqual(Pn(+e,"int32")),l.greaterEqual(Pn(-n,"int32"))),h=Gn([a,s],r.dtype);return mr(gr(r.reshape([-1,a,s])).map(function(t){return au(f,t,h);})).reshape(i);}}),Il=Nn({gramSchmidt_:function gramSchmidt_(t){var e;if(Array.isArray(t)){e=!1,_(null!=t&&t.length>0,function(){return "Gram-Schmidt process: input must not be null, undefined, or empty";});for(var n=t[0].shape[0],r=function r(e){_(t[e].shape[0]===n,function(){return "Gram-Schmidt: Non-unique lengths found in the input vectors: ("+t[e].shape[0]+" vs. "+n+")";});},i=1;i<t.length;++i){r(i);}}else e=!0,t=ir(t,t.shape[0],0).map(function(t){return pr(t,[0]);});_(t.length<=t[0].shape[0],function(){return "Gram-Schmidt: Number of vectors ("+t.length+") exceeds number of dimensions ("+t[0].shape[0]+").";});var o=[],a=t,s=function s(t){o.push(Wt.tidy(function(){var e=a[t];if(t>0)for(var n=0;n<t;++n){var r=Wc(o[n].mulStrict(e)).mul(o[n]);e=e.sub(r);}return e.div(Jc(e,"euclidean"));}));};for(i=0;i<t.length;++i){s(i);}return e?mr(o,0):o;}}),Rl=Nn({qr_:function qr_(t,e){if(void 0===e&&(e=!1),t.rank<2)throw new Error("qr() requires input tensor to have a rank >= 2, but got rank "+t.rank);if(2===t.rank)return Tl(t,e);var n=t.shape.slice(0,t.shape.length-2).reduce(function(t,e){return t*e;}),r=[],i=[];return gr(t.reshape([n,t.shape[t.shape.length-2],t.shape[t.shape.length-1]]),0).forEach(function(t){var n=Tl(t,e),o=n[0],a=n[1];r.push(o),i.push(a);}),[mr(r,0).reshape(t.shape),mr(i,0).reshape(t.shape)];}}),Ml=Object.freeze({bandPart:Nl,gramSchmidt:Il,qr:Rl});function jl(t,e,n,r,i,o){null==r&&(r=.5),null==i&&(i=Number.NEGATIVE_INFINITY),null==o&&(o=0);var a=t.shape[0];return n=Math.min(n,a),_(0<=r&&r<=1,function(){return "iouThreshold must be in [0, 1], but was '"+r+"'";}),_(2===t.rank,function(){return "boxes must be a 2D tensor, but was of rank '"+t.rank+"'";}),_(4===t.shape[1],function(){return "boxes must have 4 columns, but 2nd dimension was "+t.shape[1];}),_(1===e.rank,function(){return "scores must be a 1D tensor";}),_(e.shape[0]===a,function(){return "scores has incompatible shape with boxes. Expected "+a+", but was "+e.shape[0];}),_(0<=o&&o<=1,function(){return "softNmsSigma must be in [0, 1], but was '"+o+"'";}),{maxOutputSize:n,iouThreshold:r,scoreThreshold:i,softNmsSigma:o};}var Bl=Nn({resizeBilinear_:function resizeBilinear_(t,e,n){void 0===n&&(n=!1);var r=xn(t,"images","resizeBilinear");_(3===r.rank||4===r.rank,function(){return "Error in resizeBilinear: x must be rank 3 or 4, but got rank "+r.rank+".";}),_(2===e.length,function(){return "Error in resizeBilinear: new shape must 2D, but got shape "+e+".";});var i=r,o=!1;3===r.rank&&(o=!0,i=r.as4D(1,r.shape[0],r.shape[1],r.shape[2]));var a=e[0],s=e[1],u=Wt.runKernelFunc(function(t,e){return e([i]),t.resizeBilinear(i,a,s,n);},{x:i},function(t,e){return {x:function x(){return Wt.runKernelFunc(function(r){return r.resizeBilinearBackprop(t,e[0],n);},{});}};},"ResizeBilinear",{alignCorners:n,newHeight:a,newWidth:s});return o?u.as3D(u.shape[1],u.shape[2],u.shape[3]):u;}}),Pl=Nn({resizeNearestNeighbor_:function resizeNearestNeighbor_(t,e,n){void 0===n&&(n=!1);var r=xn(t,"images","resizeNearestNeighbor");_(3===r.rank||4===r.rank,function(){return "Error in resizeNearestNeighbor: x must be rank 3 or 4, but got rank "+r.rank+".";}),_(2===e.length,function(){return "Error in resizeNearestNeighbor: new shape must 2D, but got shape "+e+".";}),_("float32"===r.dtype||"int32"===r.dtype,function(){return "`images` must have `int32` or `float32` as dtype";});var i=r,o=!1;3===r.rank&&(o=!0,i=r.as4D(1,r.shape[0],r.shape[1],r.shape[2]));var a=e[0],s=e[1],u=Wt.runKernelFunc(function(t,e){return e([i]),t.resizeNearestNeighbor(i,a,s,n);},{batchImages:i},function(t,e){return {batchImages:function batchImages(){return Wt.runKernelFunc(function(r){return r.resizeNearestNeighborBackprop(t,e[0],n);},{});}};});return o?u.as3D(u.shape[1],u.shape[2],u.shape[3]):u;}}),Ll=Nn({nonMaxSuppression_:function nonMaxSuppression_(t,e,n,r,i){void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY);var o=xn(t,"boxes","nonMaxSuppression"),a=xn(e,"scores","nonMaxSuppression"),s=jl(o,a,n,r,i);n=s.maxOutputSize,r=s.iouThreshold,i=s.scoreThreshold;var u={maxOutputSize:n,iouThreshold:r,scoreThreshold:i};return Wt.runKernelFunc(function(t){return t.nonMaxSuppression(o,a,n,r,i);},{boxes:o,scores:a},null,"NonMaxSuppressionV3",u);}}),zl=Nn({nonMaxSuppressionWithScore_:function nonMaxSuppressionWithScore_(t,e,n,r,i,o){void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),void 0===o&&(o=0);var a=xn(t,"boxes","nonMaxSuppression"),s=xn(e,"scores","nonMaxSuppression"),u=jl(a,s,n,r,i,o),c={maxOutputSize:n=u.maxOutputSize,iouThreshold:r=u.iouThreshold,scoreThreshold:i=u.scoreThreshold,softNmsSigma:o=u.softNmsSigma},l=Wt.runKernel("NonMaxSuppressionV5",{boxes:a,scores:s},c);return {selectedIndices:l[0],selectedScores:l[1]};}}),Ul=Nn({cropAndResize_:function cropAndResize_(t,e,n,r,i,o){var a=xn(t,"image","cropAndResize"),s=xn(e,"boxes","cropAndResize","float32"),u=xn(n,"boxInd","cropAndResize","int32");i=i||"bilinear",o=o||0;var c=s.shape[0];return _(4===a.rank,function(){return "Error in cropAndResize: image must be rank 4,but got rank "+a.rank+".";}),_(2===s.rank&&4===s.shape[1],function(){return "Error in cropAndResize: boxes must be have size ["+c+",4] but had shape "+s.shape+".";}),_(1===u.rank&&u.shape[0]===c,function(){return "Error in cropAndResize: boxInd must be have size ["+c+"] but had shape "+s.shape+".";}),_(2===r.length,function(){return "Error in cropAndResize: cropSize must be of length 2, but got length "+r.length+".";}),_(r[0]>=1&&r[1]>=1,function(){return "cropSize must be atleast [1,1], but was "+r;}),_("bilinear"===i||"nearest"===i,function(){return "method must be bilinear or nearest, but was "+i;}),Wt.runKernelFunc(function(t,e){return t.cropAndResize(a,s,u,r,i,o);},{images:a,boxes:s,boxInd:u},null,"CropAndResize",{method:i,extrapolationValue:o,cropSize:r});}}),Wl=Object.freeze({resizeBilinear:Bl,resizeNearestNeighbor:Pl,nonMaxSuppression:Ll,nonMaxSuppressionAsync:function nonMaxSuppressionAsync(t,e,n,r,i){return void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),u(this,void 0,void 0,function(){var o,a,s,u,l,f,h;return c(this,function(c){switch(c.label){case 0:return o=xn(t,"boxes","nonMaxSuppressionAsync"),a=xn(e,"scores","nonMaxSuppressionAsync"),s=jl(o,a,n,r,i),n=s.maxOutputSize,r=s.iouThreshold,i=s.scoreThreshold,[4,Promise.all([o.data(),a.data()])];case 1:return u=c.sent(),l=u[0],f=u[1],h=Po(l,f,n,r,i),o!==t&&o.dispose(),a!==e&&a.dispose(),[2,h];}});});},nonMaxSuppressionWithScore:zl,nonMaxSuppressionWithScoreAsync:function nonMaxSuppressionWithScoreAsync(t,e,n,r,i,o){return void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),void 0===o&&(o=0),u(this,void 0,void 0,function(){var a,s,u,l,f,h,d;return c(this,function(c){switch(c.label){case 0:return a=xn(t,"boxes","nonMaxSuppressionAsync"),s=xn(e,"scores","nonMaxSuppressionAsync"),u=jl(a,s,n,r,i,o),n=u.maxOutputSize,r=u.iouThreshold,i=u.scoreThreshold,o=u.softNmsSigma,[4,Promise.all([a.data(),s.data()])];case 1:return l=c.sent(),f=l[0],h=l[1],d=Lo(f,h,n,r,i,o),a!==t&&a.dispose(),s!==e&&s.dispose(),[2,d];}});});},cropAndResize:Ul}),Vl=function Vl(t,e){return !(t>0)||"linear"===e;},ql=function ql(t,e,n){if(null==n||"linear"===n)return t;if("relu"===n)return t.mul(e.step());throw new Error("Gradient for activation "+n+" has not been implemented yet.");},$l=function $l(t,e){var n=e,r=zr(t.shape,e.shape);return r.length>0&&(n=n.sum(r)),n.reshape(t.shape);},Hl=function Hl(t,e,n){if("linear"===e)return t;if("relu"===e)return Gc(t);if("elu"===e)return qc(t);if("relu6"===e)return Kc(t);if("prelu"===e)return Hc(t,n);throw new Error("Unknown fused activation "+e+".");},Gl=Nn({fusedMatMul_:function fusedMatMul_(t){var e,n=t.a,r=t.b,i=t.transposeA,o=void 0!==i&&i,a=t.transposeB,s=void 0!==a&&a,u=t.bias,c=t.activation,l=void 0===c?"linear":c,f=t.preluActivationWeights;if(!1===Vl(Wt.state.gradientDepth,l)){var h=fc(n,r,o,s);return null!=u&&(h=Pr(h,u)),Hl(h,l,f);}var d=xn(n,"a","fused matMul"),p=xn(r,"b","fused matMul");e=Mt(d,p),d=e[0],p=e[1];var m=o?d.shape[d.rank-2]:d.shape[d.rank-1],g=s?p.shape[p.rank-1]:p.shape[p.rank-2],v=o?d.shape[d.rank-1]:d.shape[d.rank-2],y=s?p.shape[p.rank-2]:p.shape[p.rank-1],b=d.shape.slice(0,-2),x=p.shape.slice(0,-2),w=T(b),k=T(x);_(d.rank>=2&&p.rank>=2&&d.rank===p.rank,function(){return "Error in fused matMul: inputs must have the same rank of at least 2, got ranks "+d.rank+" and "+p.rank+".";}),_(N(b,x),function(){return "Error in fused matMul: outer dimensions ("+b+") and ("+x+") of Tensors with shapes "+d.shape+" and "+p.shape+" must match.";}),_(m===g,function(){return "Error in fused matMul: inner shapes ("+m+") and ("+g+") of Tensors with shapes "+d.shape+" and "+p.shape+" and transposeA="+o+" and transposeB="+s+" must match.";});var E,C,A=d.shape.slice(0,-2).concat([v,y]),O=o?d.as3D(w,m,v):d.as3D(w,v,m),S=s?p.as3D(k,y,g):p.as3D(k,g,y);null!=u&&Ur(A,(E=Mt(E=xn(u,"bias","fused matMul"),d)[0]).shape),null!=f&&(C=xn(f,"prelu weights","fused matMul"));var D={a:O,b:S};null!=u&&(D.bias=E),null!=f&&(D.preluActivationWeights=C);var F=[O,S];return Wt.runKernelFunc(function(t,e){var n=t.fusedBatchMatMul({a:O,b:S,transposeA:o,transposeB:s,bias:E,activation:l,preluActivationWeights:C});return e([O,S,n]),n;},D,function(t,e){var n=e[0],r=e[1],i=e[2],_a4=ql(t,i,l),c={};return null!=u&&(c={bias:function bias(){return $l(E,_a4);}}),o||s?!o&&s?Object.assign({a:function a(){return _a4.matMul(r,!1,!1);},b:function b(){return _a4.matMul(n,!0,!1);}},c):o&&!s?Object.assign({a:function a(){return r.matMul(_a4,!1,!0);},b:function b(){return n.matMul(_a4,!1,!1);}},c):Object.assign({a:function a(){return r.matMul(_a4,!0,!0);},b:function b(){return 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when using, dimRoundingMode "+c+" but got pad "+i+".";}),_(v.shape[3]===g.shape[2],function(){return "Error in conv2d: depth of input ("+v.shape[3]+") must match input depth for filter "+g.shape[2]+".";}),_(Oo(r,u),function(){return "Error in conv2D: Either strides or dilations must be 1. 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i=n?t.shape[1]:t.shape[2],o=n?t.shape[2]:t.shape[1],a=r?e.shape[1]:e.shape[2],s=t.shape[0],u=this.readSync(t.dataId),c=this.readSync(e.dataId),l=n?[t.strides[0],1,t.strides[1]]:[t.strides[0],t.strides[1],1],f=l[0],h=l[1],d=l[2],p=r?[1,e.strides[1],e.strides[0]]:[e.strides[1],1,e.strides[0]],m=p[0],g=p[1],v=p[2],y=o*a,b=or([s,o,a],t.dtype),x=b.values,w=this.blockSize,k=0;k<s;k++){for(var E=0;E<o;E+=w){for(var C=0;C<a;C+=w){for(var A=0;A<i;A+=w){for(var O=Math.min(E+w,o),_=Math.min(C+w,a),S=Math.min(A+w,i),D=E;D<O;D++){for(var F=C;F<_;F++){for(var T=0,N=A;N<S;N++){T+=u[k*f+D*h+N*d]*c[N*m+F*g+k*v];}x[k*y+(D*a+F)]+=T;}}}}}}return b.toTensor();},e.prototype.fusedBatchMatMul=function(t){var e=t.a,n=t.b,r=t.transposeA,i=t.transposeB,o=t.bias,a=t.activation,s=t.preluActivationWeights,u=this.batchMatMul(e,n,r,i);return o&&(u=this.add(u,o)),a&&(u=ef(this,u,a,s)),u;},e.prototype.multiply=function(t,e){return "complex64"===t.dtype||"complex64"===e.dtype?this.broadcastedBinaryComplexOp(t.cast("complex64"),e.cast("complex64"),function(t,e,n,r){return {real:t*n-e*r,imag:t*r+e*n};}):this.broadcastedBinaryOp(t,e,It(t.dtype,e.dtype),function(t,e){return t*e;});},e.prototype.floorDiv=function(t,e){return Ql([t,e],"floorDiv"),this.broadcastedBinaryOp(t,e,"int32",function(t,e){return Math.floor(t/e);});},e.prototype.sum=function(t,e){Ql(t,"sum"),On("sum",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,It(t.dtype,"int32")),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=0,h=0;h<a;++h){f+=u[l+h];}s[c]=f;}return o;},e.prototype.prod=function(t,e){Ql(t,"sum");for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,It(t.dtype,"int32")),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=1,h=0;h<a;++h){f*=u[l+h];}s[c]=f;}return o;},e.prototype.unsortedSegmentSum=function(t,e,n){Ql(t,"unsortedSegmentSum");for(var r=[],i=t.rank-e.rank,o=0;o<i;++o){e=e.expandDims(o+1);}for(o=0;o<n;++o){var a=Pn(o,"int32"),s=Ru(a,e).asType("float32").mul(t).sum(0);r.push(s);}return mr(r);},e.prototype.argMin=function(t,e){Ql(t,"argMin");var n=[e];On("argMin",n,t.rank);for(var r=Cn(t.shape,n),i=r[0],o=r[1],a=Gn(i,"int32"),s=T(o),u=this.readSync(a.dataId),c=this.readSync(t.dataId),l=0;l<u.length;++l){for(var f=l*s,h=c[f],d=0,p=0;p<s;++p){var m=c[f+p];m<h&&(h=m,d=p);}u[l]=d;}return a;},e.prototype.argMax=function(t,e){Ql(t,"argMax");var n=[e];On("argMax",n,t.rank);for(var r=Cn(t.shape,n),i=r[0],o=r[1],a=Gn(i,"int32"),s=T(o),u=this.readSync(a.dataId),c=this.readSync(t.dataId),l=0;l<u.length;++l){for(var f=l*s,h=c[f],d=0,p=0;p<s;++p){var m=c[f+p];m>h&&(h=m,d=p);}u[l]=d;}return a;},e.prototype.cumsum=function(t,e,n,r){if(Ql(t,"cumsum"),e!==t.rank-1)throw new Error("backend.cumsum in CPU expects an inner-most axis="+(t.rank-1)+" but got axis="+e);for(var i=It(t.dtype,"int32"),o=Gn(t.shape,i),a=this.readSync(o.dataId),s=this.readSync(t.dataId),u=t.shape[t.rank-1],c=r?function(t,e){return t+u-e-1;}:function(t,e){return t+e;},l=0;l<s.length;l+=u){for(var f=0;f<u;f++){var h=c(l,f);if(0===f)a[h]=n?0:s[h];else {var d=c(l,f-1);a[h]=n?s[d]+a[d]:s[h]+a[d];}}}return o;},e.prototype.equal=function(t,e){return Ql([t,e],"equal"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t===e?1:0;});},e.prototype.notEqual=function(t,e){return Ql([t,e],"notEqual"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t!==e?1:0;});},e.prototype.less=function(t,e){return Ql([t,e],"less"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t<e?1:0;});},e.prototype.lessEqual=function(t,e){return Ql([t,e],"lessEqual"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t<=e?1:0;});},e.prototype.greater=function(t,e){return Ql([t,e],"greater"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t>e?1:0;});},e.prototype.greaterEqual=function(t,e){return Ql([t,e],"greaterEqual"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t>=e?1:0;});},e.prototype.logicalNot=function(t){Ql(t,"logicalNot");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r){n[r]=e[r]?0:1;}return this.makeOutput(n,t.shape,"bool");},e.prototype.logicalAnd=function(t,e){return Ql([t,e],"logicalAnd"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t&&e;});},e.prototype.logicalOr=function(t,e){return Ql([t,e],"logicalOr"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t||e;});},e.prototype.select=function(t,e,n){Ql([t,e,n],"select");for(var r=this.readSync(t.dataId),i=this.readSync(e.dataId),o=this.readSync(n.dataId),a=Gn(e.shape,It(e.dtype,n.dtype)),s=this.readSync(a.dataId),u=0,c=0===t.rank||t.rank>1||1===e.rank?1:T(e.shape.slice(1)),l=0;l<r.length;l++){for(var f=0;f<c;f++){1===r[l]?s[u++]=i[l]:s[u++]=o[l];}}return a;},e.prototype.where=function(t){Ql([t],"where");var e=this.readSync(t.dataId);return Go(t.shape,e);},e.prototype.topk=function(t,e,n){return Ql(t,"topk"),Ho(this.readSync(t.dataId),t.shape,t.dtype,e);},e.prototype.min=function(t,e){Ql(t,"min"),On("min",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,t.dtype),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=u[l],h=0;h<a;++h){var d=u[l+h];d<f&&(f=d);}s[c]=f;}return o;},e.prototype.minimum=function(t,e){return Ql([t,e],"minimum"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return Math.min(t,e);});},e.prototype.mod=function(t,e){return Ql([t,e],"mod"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){var n=t%e;return t<0&&e<0||t>=0&&e>=0?n:(n+e)%e;});},e.prototype.max=function(t,e){Ql(t,"max"),On("max",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,t.dtype),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=u[l],h=0;h<a;++h){var d=u[l+h];d>f&&(f=d);}s[c]=f;}return o;},e.prototype.maximum=function(t,e){return Ql([t,e],"maximum"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return Math.max(t,e);});},e.prototype.all=function(t,e){Ql(t,"all"),On("all",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,t.dtype),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=u[l],h=0;h<a;++h){var d=u[l+h];f=f&&d;}s[c]=f;}return o;},e.prototype.any=function(t,e){Ql(t,"any"),On("any",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,t.dtype),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=u[l],h=0;h<a;++h){var d=u[l+h];f=f||d;}s[c]=f;}return o;},e.prototype.squaredDifference=function(t,e){return Ql([t,e],"squaredDifference"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){var n=t-e;return n*n;});},e.prototype.ceil=function(t){Ql(t,"ceil");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=Math.ceil(e[r]);}return this.makeOutput(n,t.shape,"float32");},e.prototype.floor=function(t){Ql(t,"floor");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=Math.floor(e[r]);}return this.makeOutput(n,t.shape,"float32");},e.prototype.sign=function(t){Ql(t,"x");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){e[r]<0?n[r]=-1:e[r]>0?n[r]=1:n[r]=0;}return this.makeOutput(n,t.shape,"float32");},e.prototype.isNaN=function(t){Ql(t,"x");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r){Number.isNaN(e[r])&&(n[r]=1);}return this.makeOutput(n,t.shape,"bool");},e.prototype.isInf=function(t){Ql(t,"x");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r){Math.abs(e[r])===1/0&&(n[r]=1);}return this.makeOutput(n,t.shape,"bool");},e.prototype.isFinite=function(t){Ql(t,"x");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r){Number.isFinite(e[r])&&(n[r]=1);}return this.makeOutput(n,t.shape,"bool");},e.prototype.round=function(t){Ql(t,"round");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=Math.floor(e[r]);e[r]-i<.5?n[r]=Math.floor(e[r]):e[r]-i>.5?n[r]=Math.ceil(e[r]):n[r]=i%2==0?i:i+1;}return this.makeOutput(n,t.shape,"float32");},e.prototype.exp=function(t){Ql(t,"exp");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=Math.exp(e[r]);}return this.makeOutput(n,t.shape,"float32");},e.prototype.expm1=function(t){Ql(t,"expm1");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=Math.expm1(e[r]);}return this.makeOutput(n,t.shape,"float32");},e.prototype.log=function(t){Ql(t,"log");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=e[r];n[r]=Math.log(i);}return this.makeOutput(n,t.shape,"float32");},e.prototype.log1p=function(t){Ql(t,"log1p");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=e[r];n[r]=Math.log1p(i);}return this.makeOutput(n,t.shape,"float32");},e.prototype.sqrt=function(t){Ql(t,"sqrt");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=e[r];n[r]=Math.sqrt(i);}return this.makeOutput(n,t.shape,"float32");},e.prototype.rsqrt=function(t){Ql(t,"rsqrt");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=e[r];n[r]=1/Math.sqrt(i);}return this.makeOutput(n,t.shape,"float32");},e.prototype.reciprocal=function(t){Ql(t,"reciprocal");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=1/e[r];}return this.makeOutput(n,t.shape,"float32");},e.prototype.linear=function(t){return t;},e.prototype.relu=function(t){Ql(t,"relu");for(var e=Gn(t.shape,t.dtype),n=this.readSync(e.dataId),r=this.readSync(t.dataId),i=0;i<r.length;++i){n[i]=Math.max(0,r[i]);}return e;},e.prototype.relu6=function(t){Ql(t,"relu");for(var e=Gn(t.shape,t.dtype),n=this.readSync(e.dataId),r=this.readSync(t.dataId),i=0;i<r.length;++i){n[i]=Math.min(Math.max(0,r[i]),6);}return e;},e.prototype.prelu=function(t,e){return Ql([t,e],"prelu"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return t<0?e*t:t;});},e.prototype.elu=function(t){Ql(t,"elu");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){var i=n[r];e[r]=i>=0?i:Math.exp(i)-1;}return this.makeOutput(e,t.shape,"float32");},e.prototype.eluDer=function(t,e){Ql([t,e],"eluDer");for(var n=new Float32Array(e.size),r=this.readSync(e.dataId),i=this.readSync(t.dataId),o=0;o<r.length;++o){var a=r[o];n[o]=a>=1?i[o]:i[o]*(a+1);}return this.makeOutput(n,e.shape,"float32");},e.prototype.selu=function(t){Ql(t,"selu");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){var i=n[r];e[r]=i>=0?1.0507009873554805*i:1.7580993408473768*(Math.exp(i)-1);}return this.makeOutput(e,t.shape,"float32");},e.prototype.clip=function(t,e,n){Ql(t,"clip");for(var r=new Float32Array(t.size),i=this.readSync(t.dataId),o=0;o<i.length;++o){var a=i[o];r[o]=a>n?n:a<e?e:a;}return this.makeOutput(r,t.shape,"float32");},e.prototype.abs=function(t){for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.abs(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.complexAbs=function(t){for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<t.size;++r){var i=n[2*r],o=n[2*r+1];e[r]=Math.hypot(i,o);}return this.makeOutput(e,t.shape,"float32");},e.prototype.int=function(t){Ql(t,"int");for(var e=new Int32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=n[r];}return this.makeOutput(e,t.shape,"int32");},e.prototype.sigmoid=function(t){Ql(t,"sigmoid");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=1/(1+Math.exp(-n[r]));}return this.makeOutput(e,t.shape,"float32");},e.prototype.softplus=function(t){Ql(t,"softplus");for(var e=Math.log(1.1920928955078125e-7)+2,n=new Float32Array(t.size),r=this.readSync(t.dataId),i=0;i<r.length;++i){var o,a=r[i]>-e,s=r[i]<e,u=Math.exp(r[i]);o=s?u:a?r[i]:Math.log(1+u),n[i]=o;}return this.makeOutput(n,t.shape,"float32");},e.prototype.sin=function(t){Ql(t,"sin");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.sin(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.cos=function(t){Ql(t,"cos");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.cos(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.tan=function(t){Ql(t,"tan");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.tan(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.asin=function(t){Ql(t,"asin");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.asin(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.acos=function(t){Ql(t,"acos");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.acos(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.atan=function(t){Ql(t,"atan");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.atan(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.atan2=function(t,e){return Ql([t,e],"atan2"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return Math.atan2(t,e);});},e.prototype.sinh=function(t){Ql(t,"sinh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.sinh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.cosh=function(t){Ql(t,"cosh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.cosh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.tanh=function(t){Ql(t,"tanh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=R(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.asinh=function(t){Ql(t,"asinh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.asinh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.acosh=function(t){Ql(t,"acosh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.acosh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.atanh=function(t){Ql(t,"atanh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.atanh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.erf=function(t){Ql(t,"erf");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){var i=Math.sign(n[r]),o=Math.abs(n[r]),a=1/(1+.3275911*o);e[r]=i*(1-((((1.061405429*a-1.453152027)*a+1.421413741)*a-.284496736)*a+.254829592)*a*Math.exp(-o*o));}return this.makeOutput(e,t.shape,"float32");},e.prototype.step=function(t,e){void 0===e&&(e=0),Ql(t,"step");for(var n=new Float32Array(t.size),r=this.readSync(t.dataId),i=0;i<r.length;++i){var o=r[i];isNaN(o)?n[i]=NaN:n[i]=o>0?1:e;}return this.makeOutput(n,t.shape,"float32");},e.prototype.fusedConv2d=function(t){var e=t.input,n=t.filter,r=t.convInfo,i=t.bias,o=t.activation,a=t.preluActivationWeights,s=this.conv2d(e,n,r);return i&&(s=this.add(s,i)),o&&(s=ef(this,s,o,a)),s;},e.prototype.conv2d=function(t,e,n){Ql([t,e],"conv2d");for(var r=n.filterHeight,i=n.filterWidth,o=n.dilationHeight,a=n.dilationWidth,s=n.padInfo.left,u=n.padInfo.top,c="channelsLast"===n.dataFormat,l=or(n.outShape,t.dtype),f=t.strides[0],h=c?t.strides[1]:t.strides[2],d=c?t.strides[2]:1,p=c?1:t.strides[1],m=l.strides[0],g=c?l.strides[1]:l.strides[2],v=c?l.strides[2]:1,y=c?1:l.strides[1],b=this.readSync(t.dataId),x=this.readSync(e.dataId),w=l.values,k=0;k<n.batchSize;++k){for(var E=k*f,C=k*m,A=0;A<n.outHeight;++A){for(var O=C+A*g,_=A*n.strideHeight-u,S=0;S<r;S++){var D=_+S*o;if(!(D<0||D>=n.inHeight))for(var F=S*e.strides[0],T=E+D*h,N=0;N<n.outWidth;++N){for(var I=O+N*v,R=N*n.strideWidth-s,M=0;M<i;M++){var j=R+M*a;if(!(j<0||j>=n.inWidth))for(var B=T+j*d,P=F+M*e.strides[1],L=0;L<n.inChannels;++L){for(var z=b[B+L*p],U=0;U<n.outChannels;++U){w[I+U*y]+=z*x[P+U];}P+=n.outChannels;}}}}}}return l.toTensor();},e.prototype.conv3d=function(t,e,n){for(var r=n.filterDepth,i=n.filterHeight,o=n.filterWidth,a=n.dilationDepth,s=n.dilationHeight,u=n.dilationWidth,c=n.padInfo.front,l=n.padInfo.left,f=n.padInfo.top,h=or(n.outShape,t.dtype),d=this.readSync(t.dataId),p=this.readSync(e.dataId),m=h.values,g=0;g<n.batchSize;++g){for(var v=g*t.strides[0],y=g*h.strides[0],b=0;b<n.outDepth;++b){for(var x=y+b*h.strides[1],w=b*n.strideDepth-c,k=0;k<r;k++){var E=w+k*a;if(!(E<0||E>=n.inDepth))for(var C=k*e.strides[0],A=v+E*t.strides[1],O=0;O<n.outHeight;++O){for(var _=x+O*h.strides[2],S=O*n.strideHeight-f,D=0;D<i;D++){var F=S+D*s;if(!(F<0||F>=n.inHeight))for(var T=C+D*e.strides[1],N=A+F*t.strides[2],I=0;I<n.outWidth;++I){for(var R=_+I*n.outChannels,M=I*n.strideWidth-l,j=0;j<o;j++){var B=M+j*u;if(!(B<0||B>=n.inWidth))for(var P=T+j*e.strides[2],L=N+B*n.inChannels,z=P,U=0;U<n.inChannels;++U){for(var W=d[L+U],V=0;V<n.outChannels;++V){m[R+V]+=W*p[z+V];}z+=n.outChannels;}}}}}}}}return h.toTensor();},e.prototype.conv2dDerInput=function(t,e,n){Ql([t,e],"conv2dDerInput");for(var r=or(n.inShape,"float32"),i=r.values,o=this.readSync(t.dataId),a=this.readSync(e.dataId),s=e.strides,u=s[0],c=s[1],l=s[2],f=n.batchSize,h=n.filterHeight,d=n.filterWidth,p=n.inChannels,m=n.inHeight,g=n.inWidth,v=n.outChannels,y=n.outHeight,b=n.outWidth,x=n.strideHeight,w=n.strideWidth,k=n.dataFormat,E=h-1-n.padInfo.top,C=d-1-n.padInfo.left,A="channelsLast"===k,O=r.strides[0],_=A?r.strides[1]:r.strides[2],S=A?r.strides[2]:1,D=A?1:r.strides[1],F=t.strides[0],T=A?t.strides[1]:t.strides[2],N=A?t.strides[2]:1,I=A?1:t.strides[1],R=0;R<f;++R){for(var M=0;M<p;++M){for(var j=0;j<m;++j){for(var B=j-E,P=Math.max(0,Math.ceil(B/x)),L=Math.min(y,(h+B)/x),z=0;z<g;++z){for(var U=z-C,W=Math.max(0,Math.ceil(U/w)),V=Math.min(b,(d+U)/w),q=0,$=P;$<L;++$){for(var H=$*x-B,G=W;G<V;++G){for(var K=F*R+T*$+N*G,X=u*(h-1-H)+c*(d-1-(G*w-U))+l*M,Y=0;Y<v;++Y){q+=o[K+I*Y]*a[X+Y];}}}i[O*R+_*j+S*z+D*M]=q;}}}}return r.toTensor();},e.prototype.conv3dDerInput=function(t,e,n){for(var r=or(n.inShape,"float32"),i=r.values,o=r.strides,a=o[0],s=o[1],u=o[2],c=o[3],l=this.readSync(t.dataId),f=t.strides,h=f[0],d=f[1],p=f[2],m=f[3],g=this.readSync(e.dataId),v=e.strides,y=v[0],b=v[1],x=v[2],w=v[3],k=n.batchSize,E=n.filterDepth,C=n.filterHeight,A=n.filterWidth,O=n.inChannels,_=n.inDepth,S=n.inHeight,D=n.inWidth,F=n.outChannels,T=n.outDepth,N=n.outHeight,I=n.outWidth,R=n.strideDepth,M=n.strideHeight,j=n.strideWidth,B=E-1-n.padInfo.front,P=C-1-n.padInfo.top,L=A-1-n.padInfo.left,z=0;z<k;++z){for(var U=0;U<O;++U){for(var W=0;W<_;++W){for(var V=W-B,q=Math.max(0,Math.ceil(V/R)),$=Math.min(T,(E+V)/R),H=0;H<S;++H){for(var G=H-P,K=Math.max(0,Math.ceil(G/M)),X=Math.min(N,(C+G)/M),Y=0;Y<D;++Y){for(var J=Y-L,Q=Math.max(0,Math.ceil(J/j)),Z=Math.min(I,(A+J)/j),tt=0,et=q;et<$;++et){for(var nt=et*R-V,rt=K;rt<X;++rt){for(var it=rt*M-G,ot=Q;ot<Z;++ot){for(var at=h*z+d*et+p*rt+m*ot,st=y*(E-1-nt)+b*(C-1-it)+x*(A-1-(ot*j-J))+w*U,ut=0;ut<F;++ut){tt+=l[at+ut]*g[st+ut];}}}}i[a*z+s*W+u*H+c*Y+U]=tt;}}}}}return r.toTensor();},e.prototype.conv2dDerFilter=function(t,e,n){Ql([t,e],"conv2dDerFilter");for(var r=n.strideHeight,i=n.strideWidth,o=n.filterHeight,a=n.filterWidth,s="channelsLast"===n.dataFormat,u=or(n.filterShape,"float32"),c=n.padInfo.left,l=n.padInfo.top,f=this.bufferSync(t),h=this.bufferSync(e),d=0;d<o;++d){for(var p=Math.max(0,Math.ceil((l-d)/r)),m=Math.min(n.outHeight,(n.inHeight+l-d)/r),g=0;g<a;++g){for(var v=Math.max(0,Math.ceil((c-g)/i)),y=Math.min(n.outWidth,(n.inWidth+c-g)/i),b=0;b<n.inChannels;++b){for(var x=0;x<n.outChannels;++x){for(var w=0,k=0;k<n.batchSize;++k){for(var E=p;E<m;++E){for(var C=d+E*r-l,A=v;A<y;++A){var O=g+A*i-c;w+=s?f.get(k,C,O,b)*h.get(k,E,A,x):f.get(k,b,C,O)*h.get(k,x,E,A);}}}u.set(w,d,g,b,x);}}}}return u.toTensor();},e.prototype.conv3dDerFilter=function(t,e,n){for(var r=n.strideDepth,i=n.strideHeight,o=n.strideWidth,a=n.filterDepth,s=n.filterHeight,u=n.filterWidth,c=or(n.filterShape,"float32"),l=c.values,f=c.strides,h=f[0],d=f[1],p=f[2],m=f[3],g=this.readSync(e.dataId),v=e.strides,y=v[0],b=v[1],x=v[2],w=v[3],k=this.readSync(t.dataId),E=t.strides,C=E[0],A=E[1],O=E[2],_=E[3],S=n.padInfo.front,D=n.padInfo.left,F=n.padInfo.top,T=0;T<a;++T){for(var N=Math.max(0,Math.ceil((S-T)/r)),I=Math.min(n.outDepth,(n.inDepth+S-T)/r),R=T*h,M=0;M<s;++M){for(var j=Math.max(0,Math.ceil((F-M)/i)),B=Math.min(n.outHeight,(n.inHeight+F-M)/i),P=M*d+R,L=0;L<u;++L){for(var z=Math.max(0,Math.ceil((D-L)/o)),U=Math.min(n.outWidth,(n.inWidth+D-L)/o),W=L*p+P,V=0;V<n.inChannels;++V){for(var q=V*m+W,$=0;$<n.outChannels;++$){for(var H=0,G=0;G<n.batchSize;++G){for(var K=G*C,X=G*y,Y=N;Y<I;++Y){for(var J=(T+Y*r-S)*A+K,Q=Y*b+X,Z=j;Z<B;++Z){for(var tt=(M+Z*i-F)*O+J,et=Z*x+Q,nt=z;nt<U;++nt){var rt=nt*w+et;H+=k[(L+nt*o-D)*_+tt+V]*g[rt+$];}}}}l[q+$]=H;}}}}}return c.toTensor();},e.prototype.fusedDepthwiseConv2D=function(t){var e=t.input,n=t.filter,r=t.convInfo,i=t.bias,o=t.activation,a=t.preluActivationWeights,s=this.depthwiseConv2D(e,n,r);return i&&(s=this.add(s,i)),o&&(s=ef(this,s,o,a)),s;},e.prototype.depthwiseConv2D=function(t,e,n){Ql([t,e],"depthwiseConv2D");for(var r=n.filterHeight,i=n.filterWidth,o=n.dilationHeight,a=n.dilationWidth,s=n.padInfo.left,u=n.padInfo.top,c=n.outChannels/n.inChannels,l=or(n.outShape,t.dtype),f=this.readSync(t.dataId),h=this.readSync(e.dataId),d=l.values,p=0;p<n.batchSize;++p){for(var m=p*t.strides[0],g=p*l.strides[0],v=0;v<n.outHeight;++v){for(var y=g+v*l.strides[1],b=v*n.strideHeight-s,x=0;x<r;++x){var w=b+x*o;if(!(w<0||w>=n.inHeight))for(var k=x*e.strides[0],E=m+w*t.strides[1],C=0;C<n.outWidth;++C){for(var A=y+C*l.strides[2],O=C*n.strideWidth-u,_=0;_<i;++_){var S=O+_*a;if(!(S<0||S>=n.inWidth))for(var D=k+_*e.strides[1],F=E+S*n.inChannels,T=A,N=D,I=0;I<n.inChannels;++I){for(var R=f[F+I],M=0;M<c;++M){d[T+M]+=R*h[N+M];}T+=c,N+=c;}}}}}}return l.toTensor();},e.prototype.depthwiseConv2DDerInput=function(t,e,n){Ql([t,e],"depthwiseConv2DDerInput");for(var r=or(n.inShape,"float32"),i=r.values,o=r.strides,a=o[0],s=o[1],u=o[2],c=this.readSync(t.dataId),l=t.strides,f=l[0],h=l[1],d=l[2],p=this.readSync(e.dataId),m=e.strides,g=m[0],v=m[1],y=m[2],b=n.batchSize,x=n.filterHeight,w=n.filterWidth,k=n.inChannels,E=n.inHeight,C=n.inWidth,A=n.outChannels,O=n.outHeight,_=n.outWidth,S=n.strideHeight,D=n.strideWidth,F=x-1-n.padInfo.top,T=w-1-n.padInfo.left,N=A/k,I=0;I<b;++I){for(var R=0;R<k;++R){for(var M=0;M<E;++M){for(var j=M-F,B=Math.max(0,Math.ceil(j/S)),P=Math.min(O,(x+j)/S),L=0;L<C;++L){for(var z=L-T,U=Math.max(0,Math.ceil(z/D)),W=Math.min(_,(w+z)/D),V=0,q=B;q<P;++q){for(var $=q*S-j,H=U;H<W;++H){for(var G=f*I+h*q+d*H,K=g*(x-1-$)+v*(w-1-(H*D-z))+y*R,X=0;X<N;++X){V+=c[G+(R*N+X)]*p[K+X];}}}i[a*I+s*M+u*L+R]=V;}}}}return r.toTensor();},e.prototype.depthwiseConv2DDerFilter=function(t,e,n){Ql([t,e],"depthwiseConv2DDerFilter");for(var r=n.strideHeight,i=n.strideWidth,o=n.filterHeight,a=n.filterWidth,s=or(n.filterShape,"float32"),u=n.padInfo.left,c=n.padInfo.top,l=n.outChannels/n.inChannels,f=this.bufferSync(t),h=this.bufferSync(e),d=0;d<o;++d){for(var p=Math.max(0,Math.ceil((c-d)/r)),m=Math.min(n.outHeight,(n.inHeight+c-d)/r),g=0;g<a;++g){for(var v=Math.max(0,Math.ceil((u-g)/i)),y=Math.min(n.outWidth,(n.inWidth+u-g)/i),b=0;b<n.outChannels;++b){for(var x=Math.trunc(b/l),w=b%l,k=0,E=0;E<n.batchSize;++E){for(var C=p;C<m;++C){for(var A=d+C*r-c,O=v;O<y;++O){var _=g+O*i-u;k+=f.get(E,A,_,x)*h.get(E,C,O,b);}}}s.set(k,d,g,x,w);}}}return s.toTensor();},e.prototype.tile=function(t,e){return Ql(t,"tile"),$o(this.bufferSync(t),e);},e.prototype.pad=function(t,e,n){Ql(t,"pad");var r=e.map(function(e,n){return e[0]+t.shape[n]+e[1];}),i=e.map(function(t){return t[0];}),o=this.bufferSync(t),a=or(r,t.dtype);0!==n&&a.values.fill(n);for(var s=0;s<t.size;s++){var u=o.indexToLoc(s),c=u.map(function(t,e){return t+i[e];});a.set.apply(a,[o.get.apply(o,u)].concat(c));}return a.toTensor();},e.prototype.gather=function(t,e,n){Ql([t,e],"gather");var r=t.shape.slice(),i=this.readSync(e.dataId);r[n]=i.length;for(var o=or(r,t.dtype),a=this.bufferSync(t),s=0;s<o.size;++s){var u=o.indexToLoc(s),c=u.slice();c[n]=i[u[n]];var l=a.locToIndex(c);o.values[s]=a.values[l];}return o.toTensor();},e.prototype.batchToSpaceND=function(t,e,n){Ql([t],"batchToSpaceND");var r=e.reduce(function(t,e){return t*e;}),i=yr(t.shape,e,r),o=br(i.length,e.length),a=xr(t.shape,e,r),s=wr(n,e.length),u=kr(a,n,e.length);return fo(t.reshape(i),o).reshape(a).slice(s,u);},e.prototype.spaceToBatchND=function(t,e,n){Ql([t],"spaceToBatchND");var r=e.reduce(function(t,e){return t*e;}),i=[[0,0]];i.push.apply(i,n);for(var o=1+e.length;o<t.shape.length;++o){i.push([0,0]);}var a=t.pad(i),s=yr(a.shape,e,r,!1),u=br(s.length,e.length,!1),c=xr(a.shape,e,r,!1);return fo(a.reshape(s),u).reshape(c);},e.prototype.maxPool=function(t,e){return Ql(t,"maxPool"),Zl(this.readSync(t.dataId),t.shape,t.dtype,t.strides,e,"max").toTensor();},e.prototype.maxPoolBackprop=function(t,e,n,r){Ql([e,n],"maxPoolBackprop");for(var i=this.readSync(e.dataId),o=or(r.outShape,e.dtype,tf(i,e.shape,e.dtype,r).values),a=r.strideHeight,s=r.strideWidth,u=r.dilationHeight,c=r.dilationWidth,l=r.effectiveFilterHeight,f=r.effectiveFilterWidth,h=f-1-r.padInfo.left,d=l-1-r.padInfo.top,p=or(e.shape,"float32"),m=this.bufferSync(t),g=0;g<r.batchSize;++g){for(var v=0;v<r.inChannels;++v){for(var y=0;y<r.inHeight;++y){for(var b=0;b<r.inWidth;++b){for(var x=y-d,w=b-h,k=0,E=0;E<l;E+=u){var C=(x+E)/a;if(!(C<0||C>=r.outHeight||Math.floor(C)!==C))for(var A=0;A<f;A+=c){var O=(w+A)/s;if(!(O<0||O>=r.outWidth||Math.floor(O)!==O)){var _=l*f-1-o.get(g,C,O,v)===E*f+A?1:0;0!==_&&(k+=m.get(g,C,O,v)*_);}}}p.set(k,g,y,b,v);}}}}return p.toTensor();},e.prototype.avgPoolBackprop=function(t,e,n){Ql([t,e],"avgPoolBackprop");for(var r=n.strideHeight,i=n.strideWidth,o=n.filterHeight,a=n.filterWidth,s=n.dilationHeight,u=n.dilationWidth,c=n.effectiveFilterHeight,l=n.effectiveFilterWidth,f=l-1-n.padInfo.left,h=c-1-n.padInfo.top,d=or(e.shape,"float32"),p=1/(o*a),m=this.bufferSync(t),g=0;g<n.batchSize;++g){for(var v=0;v<n.inChannels;++v){for(var y=0;y<n.inHeight;++y){for(var b=0;b<n.inWidth;++b){for(var x=y-h,w=b-f,k=0,E=0;E<c;E+=s){var C=(x+E)/r;if(!(C<0||C>=n.outHeight||Math.floor(C)!==C))for(var A=0;A<l;A+=u){var O=(w+A)/i;O<0||O>=n.outWidth||Math.floor(O)!==O||(k+=m.get(g,C,O,v));}}d.set(k*p,g,y,b,v);}}}}return d.toTensor();},e.prototype.pool3d=function(t,e,n){Ql(t,"pool3d");for(var r=e.strideDepth,i=e.strideHeight,o=e.strideWidth,a=e.dilationDepth,s=e.dilationHeight,u=e.dilationWidth,c=e.effectiveFilterDepth,l=e.effectiveFilterHeight,f=e.effectiveFilterWidth,h=e.padInfo.front,d=e.padInfo.top,p=e.padInfo.left,m="max"===n?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,g=this.readSync(t.dataId),v=or(e.outShape,t.dtype),y=v.values,b=e.outShape[1]*e.outShape[2]*e.outShape[3]*e.outShape[4],x=e.outShape[2]*e.outShape[3]*e.outShape[4],w=e.outShape[3]*e.outShape[4],k=e.outShape[4],E=0;E<e.batchSize;++E){for(var C=E*b,A=E*t.strides[0],O=0;O<e.inChannels;++O){for(var _=0;_<e.outDepth;++_){for(var S=_*r-h,D=S;D<0;){D+=a;}for(var F=Math.min(e.inDepth,c+S),T=C+_*x,N=0;N<e.outHeight;++N){for(var I=N*i-d,R=I;R<0;){R+=s;}for(var M=Math.min(e.inHeight,l+I),j=T+N*w,B=0;B<e.outWidth;++B){for(var P=B*o-p,L=P;L<0;){L+=u;}for(var z=Math.min(e.inWidth,f+P),U=j+B*k,W=m,V=0,q=0,$=D;$<F;$+=a){for(var H=A+$*t.strides[1],G=R;G<M;G+=s){for(var K=H+G*t.strides[2],X=L;X<z;X+=u){var Y=g[K+X*t.strides[3]+O];if("max"===n&&Y>W?W=Y:"avg"===n&&(V+=Y,q++),isNaN(W))break;}if(isNaN(W))break;}if(isNaN(W))break;}y[U+O]="avg"===n?V/q:W;}}}}}return v.toTensor();},e.prototype.avgPool3d=function(t,e){return Ql(t,"avgPool3d"),this.pool3d(t,e,"avg").toFloat();},e.prototype.avgPool3dBackprop=function(t,e,n){Ql([t,e],"avgPool3dBackprop");for(var r=n.strideDepth,i=n.strideHeight,o=n.strideWidth,a=n.filterDepth,s=n.filterHeight,u=n.filterWidth,c=n.dilationDepth,l=n.dilationHeight,f=n.dilationWidth,h=n.effectiveFilterDepth,d=n.effectiveFilterHeight,p=n.effectiveFilterWidth,m=h-1-n.padInfo.front,g=p-1-n.padInfo.left,v=d-1-n.padInfo.top,y=or(e.shape,"float32"),b=1/(a*s*u),x=this.bufferSync(t),w=0;w<n.batchSize;++w){for(var k=0;k<n.inChannels;++k){for(var E=0;E<n.inDepth;++E){for(var C=0;C<n.inHeight;++C){for(var A=0;A<n.inWidth;++A){for(var O=E-m,_=C-v,S=A-g,D=0,F=0;F<h;F+=c){var T=(O+F)/r;if(!(T<0||T>=n.outDepth||Math.floor(T)!==T))for(var N=0;N<d;N+=l){var I=(_+N)/i;if(!(I<0||I>=n.outHeight||Math.floor(I)!==I))for(var R=0;R<p;R+=f){var M=(S+R)/o;M<0||M>=n.outWidth||Math.floor(M)!==M||(D+=x.get(w,T,I,M,k));}}}y.set(D*b,w,E,C,A,k);}}}}}return y.toTensor();},e.prototype.maxPool3d=function(t,e){return Ql(t,"maxPool3d"),this.pool3d(t,e,"max").toFloat();},e.prototype.maxPool3dPositions=function(t,e){for(var n=or(e.outShape,"int32"),r=e.strideDepth,i=e.strideHeight,o=e.strideWidth,a=e.dilationDepth,s=e.dilationHeight,u=e.dilationWidth,c=e.effectiveFilterDepth,l=e.effectiveFilterHeight,f=e.effectiveFilterWidth,h=e.padInfo.front,d=e.padInfo.top,p=e.padInfo.left,m=this.bufferSync(t),g=0;g<e.batchSize;++g){for(var v=0;v<e.inChannels;++v){for(var y=0;y<e.outDepth;++y){for(var b=y*r-h,x=b;x<0;){x+=a;}for(var w=Math.min(e.inDepth,c+b),k=0;k<e.outHeight;++k){for(var E=k*i-d,C=E;C<0;){C+=s;}for(var A=Math.min(e.inHeight,l+E),O=0;O<e.outWidth;++O){for(var _=O*o-p,S=_;S<0;){S+=u;}for(var D=Math.min(e.inWidth,f+_),F=Number.NEGATIVE_INFINITY,T=-1,N=x;N<w;N+=a){for(var I=N-b,R=C;R<A;R+=s){for(var M=R-E,j=S;j<D;j+=u){var B=j-_,P=m.get(g,N,R,j,v);P>=F&&(F=P,T=I*l*f+M*l+B);}}}n.set(T,g,y,k,O,v);}}}}}return n.toTensor();},e.prototype.maxPool3dBackprop=function(t,e,n,r){Ql([e,n],"maxPool3dBackprop");for(var i=this.maxPool3dPositions(e,r),o=r.strideDepth,a=r.strideHeight,s=r.strideWidth,u=r.dilationDepth,c=r.dilationHeight,l=r.dilationWidth,f=r.effectiveFilterDepth,h=r.effectiveFilterHeight,d=r.effectiveFilterWidth,p=f-1-r.padInfo.front,m=d-1-r.padInfo.left,g=h-1-r.padInfo.top,v=or(e.shape,"float32"),y=this.bufferSync(i),b=this.bufferSync(t),x=0;x<r.batchSize;++x){for(var w=0;w<r.inChannels;++w){for(var k=0;k<r.inDepth;++k){for(var E=0;E<r.inHeight;++E){for(var C=0;C<r.inWidth;++C){for(var A=k-p,O=E-g,_=C-m,S=0,D=0;D<f;D+=u){var F=(A+D)/o;if(!(F<0||F>=r.outDepth||Math.floor(F)!==F))for(var T=0;T<h;T+=c){var N=(O+T)/a;if(!(N<0||N>=r.outHeight||Math.floor(N)!==N))for(var I=0;I<d;I+=l){var R=(_+I)/s;if(!(R<0||R>=r.outWidth||Math.floor(R)!==R)){var M=f*h*d-1-y.get(x,F,N,R,w)===D*h*d+T*d+I?1:0;0!==M&&(S+=b.get(x,F,N,R,w)*M);}}}}v.set(S,x,k,E,C,w);}}}}}return v.toTensor();},e.prototype.cast=function(t,e){return So(t,e,this);},e.prototype.reshape=function(t,e){return Do(t,e);},e.prototype.avgPool=function(t,e){return Ql(t,"avgPool"),Ql(t,"maxPool"),Zl(this.readSync(t.dataId),t.shape,t.dtype,t.strides,e,"avg").toTensor().toFloat();},e.prototype.resizeBilinear=function(t,e,n,r){Ql(t,"resizeBilinear");for(var i=t.shape,o=i[0],a=i[1],s=i[2],u=i[3],c=this.readSync(t.dataId),l=new Float32Array(T([o,e,n,u])),f=[r&&e>1?a-1:a,r&&n>1?s-1:s],h=[r&&e>1?e-1:e,r&&n>1?n-1:n],d=0,p=f[0]/h[0],m=f[1]/h[1],g=0;g<o;g++){for(var v=0;v<e;v++){for(var y=p*v,b=Math.floor(y),x=y-b,w=Math.min(a-1,Math.ceil(y)),k=g*t.strides[0]+b*t.strides[1],E=g*t.strides[0]+w*t.strides[1],C=0;C<n;C++){for(var A=m*C,O=Math.floor(A),_=A-O,S=Math.min(s-1,Math.ceil(A)),D=k+O*t.strides[2],F=E+O*t.strides[2],N=k+S*t.strides[2],I=E+S*t.strides[2],R=0;R<u;R++){var M=c[D+R],j=c[F+R],B=M+(c[N+R]-M)*_,P=B+(j+(c[I+R]-j)*_-B)*x;l[d++]=P;}}}}return jn(l,[o,e,n,u]);},e.prototype.resizeBilinearBackprop=function(t,e,n){Ql([t,e],"resizeBilinearBackprop");for(var r=e.shape,i=r[0],o=r[1],a=r[2],s=r[3],u=t.shape,c=u[1],l=u[2],f=new Float32Array(i*o*a*s),h=[n&&c>1?o-1:o,n&&l>1?a-1:a],d=[n&&c>1?c-1:c,n&&l>1?l-1:l],p=h[0]/d[0],m=h[1]/d[1],g=this.readSync(t.dataId),v=0,y=0;y<i;y++){for(var b=y*e.strides[0],x=0;x<c;x++){for(var w=x*p,k=Math.floor(w),E=Math.min(Math.ceil(w),o-1),C=b+k*e.strides[1],A=b+E*e.strides[1],O=w-k,_=1-O,S=0;S<l;S++){for(var D=S*m,F=Math.floor(D),T=Math.min(Math.ceil(D),a-1),N=D-F,I=1-N,R=C+F*e.strides[2],M=C+T*e.strides[2],j=A+F*e.strides[2],B=A+T*e.strides[2],P=_*I,L=_*N,z=O*I,U=O*N,W=0;W<s;W++){var V=g[v++];f[R+W]+=V*P,f[M+W]+=V*L,f[j+W]+=V*z,f[B+W]+=V*U;}}}}return Wn(f,[i,a,o,s],e.dtype);},e.prototype.resizeNearestNeighbor=function(t,e,n,r){Ql(t,"resizeNearestNeighbor");for(var i=t.shape,o=i[0],a=i[1],s=i[2],u=i[3],c=this.readSync(t.dataId),l=new Float32Array(o*e*n*u),f=[r&&e>1?a-1:a,r&&n>1?s-1:s],h=[r&&e>1?e-1:e,r&&n>1?n-1:n],d=f[0]/h[0],p=f[1]/h[1],m=0,g=0;g<o;g++){for(var v=g*t.strides[0],y=0;y<e;y++){for(var b=d*y,x=v+Math.min(a-1,r?Math.round(b):Math.floor(b))*t.strides[1],w=0;w<n;w++){for(var k=p*w,E=x+Math.min(s-1,r?Math.round(k):Math.floor(k))*t.strides[2],C=0;C<u;C++){var A=c[E+C];l[m++]=A;}}}}return jn(l,[o,e,n,u],t.dtype);},e.prototype.resizeNearestNeighborBackprop=function(t,e,n){Ql([t,e],"resizeNearestNeighborBackprop");for(var r=e.shape,i=r[0],o=r[1],a=r[2],s=r[3],u=t.shape,c=u[1],l=u[2],f=new Float32Array(i*o*a*s),h=this.readSync(t.dataId),d=[n&&c>1?o-1:o,n&&l>1?a-1:a],p=[n&&c>1?c-1:c,n&&l>1?l-1:l],m=d[0]/p[0],g=d[1]/p[1],v=1/m,y=1/g,b=2*Math.ceil(v)+2,x=2*Math.ceil(y)+2,w=0;w<i;w++){for(var k=w*e.strides[0],E=0;E<o;E++){for(var C=k+E*e.strides[1],A=Math.floor(E*v),O=Math.floor(A-b/2),_=0;_<a;_++){for(var S=C+_*e.strides[2],D=Math.floor(_*y),F=Math.floor(D-x/2),T=0;T<s;T++){for(var N=0,I=0;I<b;I++){var R=I+O;if(!(R<0||R>=c)){var M=k+R*t.strides[1],j=R*m;if(E===Math.min(o-1,n?Math.round(j):Math.floor(j)))for(var B=0;B<x;B++){var P=B+F;if(!(P<0||P>=l)){var L=M+P*t.strides[2],z=P*g;_===Math.min(a-1,n?Math.round(z):Math.floor(z))&&(N+=h[L+T]);}}}}f[S+T]=N;}}}}return Wn(f,e.shape,e.dtype);},e.prototype.batchNormalization=function(t,e,n,r,i,o){Ql([t,e,n,i,o],"batchNorm");for(var a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=this.readSync(n.dataId),c=i?this.readSync(i.dataId):new Float32Array([1]),l=o?this.readSync(o.dataId):new Float32Array([0]),f=new Float32Array(a.length),h=l.length,d=c.length,p=u.length,m=s.length,g=0,v=0,y=0,b=0,x=0;x<a.length;++x){f[x]=l[g++]+(a[x]-s[v++])*c[y++]/Math.sqrt(u[b++]+r),g>=h&&(g=0),v>=m&&(v=0),y>=d&&(y=0),b>=p&&(b=0);}return Wn(f,t.shape);},e.prototype.localResponseNormalization4D=function(t,e,n,r,i){Ql(t,"localResponseNormalization4D");var o=t.shape[3],a=o-1,s=this.readSync(t.dataId),u=t.size,c=new Float32Array(u);function l(t){for(var n=t%o,r=t-n+Math.max(0,n-e),i=t-n+Math.min(n+e,a),u=0;r<=i;r++){var c=s[r];u+=c*c;}return u;}for(var f=0;f<u;f++){var h=l(f),d=s[f]*Math.pow(n+r*h,-i);c[f]=d;}return Wn(c,t.shape);},e.prototype.LRNGrad=function(t,e,n,r,i,o,a){Ql(t,"LRNGrad");for(var s=t.shape[3],u=this.readSync(t.dataId),c=this.readSync(e.dataId),l=this.readSync(n.dataId),f=new Float32Array(t.size),h=t.size,d=0;d<h;d++){for(var p=d%s,m=d-p+Math.max(0,p-r),g=d-p+Math.min(s,p+r+1),v=0,y=m;y<g;y++){v+=Math.pow(c[y],2);}for(v=o*v+i,y=m;y<g;y++){var b=-2*o*a*c[y]*l[d]/v;d===y&&(b+=Math.pow(v,-a)),b*=u[d],f[y]+=b;}}return Wn(f,t.shape);},e.prototype.multinomial=function(t,e,n,r){Ql(t,"multinomial");for(var i=e?t:co(t),o=i.shape[0],a=i.shape[1],s=Gn([o,n],"int32"),u=this.readSync(s.dataId),c=this.readSync(i.dataId),l=0;l<o;++l){var f=l*a,h=new Float32Array(a-1);h[0]=c[f];for(var d=1;d<h.length;++d){h[d]=h[d-1]+c[f+d];}for(var p=Bs(r.toString()),m=l*n,g=0;g<n;++g){var v=p();u[m+g]=h.length;for(var y=0;y<h.length;y++){if(v<h[y]){u[m+g]=y;break;}}}}return s;},e.prototype.oneHot=function(t,e,n,r){Ql(t,"oneHot");var i=new Float32Array(t.size*e);i.fill(r);for(var o=this.readSync(t.dataId),a=0;a<t.size;++a){o[a]>=0&&o[a]<e&&(i[a*e+o[a]]=n);}return zn(i,[t.size,e],"int32");},e.prototype.nonMaxSuppression=function(t,e,n,r,i){return Ql(t,"nonMaxSuppression"),Po(this.readSync(t.dataId),this.readSync(e.dataId),n,r,i);},e.prototype.fft=function(t){return this.fftBatch(t,!1);},e.prototype.ifft=function(t){return this.fftBatch(t,!0);},e.prototype.fftBatch=function(t,e){for(var n=t.shape[0],r=t.shape[1],i=or(t.shape,"float32"),o=or(t.shape,"float32"),a=Rn(t).as2D(n,r),s=Mn(t).as2D(n,r),u=0;u<n;u++){for(var c=a.slice([u,0],[1,r]),l=s.slice([u,0],[1,r]),f=In(c,l),h=this.readSync(this.fftImpl(f,e).dataId),d=0;d<r;d++){var p=Io(h,d);i.values[u*r+d]=p.real,o.values[u*r+d]=p.imag;}}return In(i.toTensor(),o.toTensor()).as2D(n,r);},e.prototype.fftImpl=function(t,e){var n=t.as1D(),r=n.size;if(this.isExponentOf2(r)){var i=this.fftRadix2(n,r,e).as2D(t.shape[0],t.shape[1]);return e&&(i=In(Rn(i).div(Pn(r)),Mn(i).div(Pn(r)))),i;}var o=this.readSync(t.dataId),a=function(t){for(var e=new Float32Array(t.length/2),n=new Float32Array(t.length/2),r=0;r<t.length;r+=2){e[r/2]=t[r],n[r/2]=t[r+1];}return {real:e,imag:n};}(this.fourierTransformByMatmul(o,r,e));return In(a.real,a.imag).as2D(t.shape[0],t.shape[1]);},e.prototype.isExponentOf2=function(t){return 0==(t&t-1);},e.prototype.fftRadix2=function(t,e,n){if(1===e)return t;var r=this.readSync(t.dataId),i=e/2,o=function(t){for(var e=Math.ceil(t.length/4),n=new Float32Array(e),r=new Float32Array(e),i=0;i<t.length;i+=4){n[Math.floor(i/4)]=t[i],r[Math.floor(i/4)]=t[i+1];}return {real:n,imag:r};}(r),a=In(o.real,o.imag).as1D(),s=function(t){for(var e=Math.floor(t.length/4),n=new Float32Array(e),r=new Float32Array(e),i=2;i<t.length;i+=4){n[Math.floor(i/4)]=t[i],r[Math.floor(i/4)]=t[i+1];}return {real:n,imag:r};}(r),u=In(s.real,s.imag).as1D();a=this.fftRadix2(a,i,n),u=this.fftRadix2(u,i,n);var c=function(t,e){for(var n=new Float32Array(t/2),r=new Float32Array(t/2),i=0;i<Math.ceil(t/2);i++){var o=(e?2:-2)*Math.PI*(i/t);n[i]=Math.cos(o),r[i]=Math.sin(o);}return {real:n,imag:r};}(e,n),l=In(c.real,c.imag).mul(u),f=a.add(l),h=a.sub(l),d=Rn(f).concat(Rn(h)),p=Mn(f).concat(Mn(h));return In(d,p).as1D();},e.prototype.fourierTransformByMatmul=function(t,e,n){for(var r=new Float32Array(2*e),i=0;i<e;i++){for(var o=0,a=0,s=0;s<e;s++){var u=Mo(i*s,e,n),c=Io(t,s);o+=c.real*u.real-c.imag*u.imag,a+=c.real*u.imag+c.imag*u.real;}n&&(o/=e,a/=e),Ro(r,o,a,i);}return r;},e.prototype.depthToSpace=function(t,e,n){_("NHWC"===n,function(){return "Only NHWC dataFormat supported on CPU for depthToSpace. Got "+n;}),_(e>1,function(){return "blockSize should be > 1 for depthToSpace, but was: "+e;});for(var r=t.shape[0],i=t.shape[1],o=t.shape[2],a=t.shape[3],s=i*e,u=o*e,c=a/(e*e),l=this.readSync(t.dataId),f=new Float32Array(r*s*u*c),h=0,d=0;d<r;++d){for(var p=0;p<s;++p){for(var m=Math.floor(p/e),g=p%e,v=0;v<u;++v){for(var y=Math.floor(v/e),b=(g*e+v%e)*c,x=0;x<c;++x){var w=x+b+a*(y+o*(m+i*d));f[h++]=l[w];}}}}return Wn(f,[r,s,u,c]);},e.prototype.broadcastedBinaryOp=function(t,e,n,r){var i=Ur(t.shape,e.shape),o=or(i,n),a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=Lr(t.shape,i),c=Lr(e.shape,i),l=o.values;if(u.length+c.length===0)for(var f=0;f<l.length;++f){l[f]=r(a[f%a.length],s[f%s.length]);}else {var h=this.bufferSync(t),d=this.bufferSync(e),p=function p(n){var i=o.indexToLoc(n),f=i.slice(-t.rank);u.forEach(function(t){return f[t]=0;});var p=h.locToIndex(f),m=i.slice(-e.rank);c.forEach(function(t){return m[t]=0;});var g=d.locToIndex(m);l[n]=r(a[p],s[g]);};for(f=0;f<l.length;++f){p(f);}}return o.toTensor();},e.prototype.broadcastedBinaryComplexOp=function(t,e,n){var r=Ur(t.shape,e.shape),i=or(r,"float32"),o=or(r,"float32"),a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=Lr(t.shape,r),c=Lr(e.shape,r),l=i.values,f=o.values;if(u.length+c.length===0)for(var h=0;h<l.length;h++){var d=h%a.length,p=h%s.length,m=n(a[2*d],a[2*d+1],s[2*p],s[2*p+1]);l[h]=m.real,f[h]=m.imag;}else {var g=this.bufferSync(this.data.get(t.dataId).complexTensors.real),v=this.bufferSync(this.data.get(e.dataId).complexTensors.real),y=function y(r){var o=i.indexToLoc(r),h=o.slice(-t.rank);u.forEach(function(t){return h[t]=0;});var d=g.locToIndex(h),p=o.slice(-e.rank);c.forEach(function(t){return p[t]=0;});var m=v.locToIndex(p),y=n(a[2*d],a[2*d+1],s[2*m],s[2*m+1]);l[r]=y.real,f[r]=y.imag;};for(h=0;h<l.length;h++){y(h);}}return this.complex(i.toTensor(),o.toTensor());},e.prototype.split=function(t,e,n){return qo(t,e,n);},e.prototype.dispose=function(){},e.prototype.floatPrecision=function(){return 32;},e.prototype.epsilon=function(){return 1e-7;},e.prototype.cropAndResize=function(t,e,n,r,i,o){for(var a=t.shape,s=a[0],u=a[1],c=a[2],l=a[3],f=e.shape[0],h=r[0],d=r[1],p=or([f,h,d,l],"float32"),m=this.readSync(e.dataId),g=this.readSync(n.dataId),v=this.readSync(t.dataId),y=t.strides,b=p.strides,x=0;x<f;x++){var w=4*x,k=m[w],E=m[w+1],C=m[w+2],A=m[w+3],O=g[x];if(!(O>=s))for(var _=h>1?(C-k)*(u-1)/(h-1):0,S=d>1?(A-E)*(c-1)/(d-1):0,D=0;D<h;D++){var F=h>1?k*(u-1)+D*_:.5*(k+C)*(u-1);if(F<0||F>u-1)for(var T=0;T<d;T++){for(var N=0;N<l;N++){var I=N+T*b[2]+D*b[1]+x*b[0];p.values[I]=o;}}else if("bilinear"===i){var R=Math.floor(F),M=Math.ceil(F),j=F-R;for(T=0;T<d;T++){if(($=d>1?E*(c-1)+T*S:.5*(E+A)*(c-1))<0||$>c-1)for(N=0;N<l;N++){I=N+T*b[2]+D*b[1]+x*b[0],p.values[I]=o;}else {var B=Math.floor($),P=Math.ceil($),L=$-B;for(N=0;N<l;N++){var z=v[I=N+B*y[2]+R*y[1]+O*y[0]],U=v[I=N+P*y[2]+R*y[1]+O*y[0]],W=v[I=N+B*y[2]+M*y[1]+O*y[0]],V=z+(U-z)*L,q=W+(v[I=N+P*y[2]+M*y[1]+O*y[0]]-W)*L;I=N+T*b[2]+D*b[1]+x*b[0],p.values[I]=V+(q-V)*j;}}}}else for(T=0;T<d;++T){var $;if(($=d>1?E*(c-1)+T*S:.5*(E+A)*(c-1))<0||$>c-1)for(N=0;N<l;N++){I=N+T*b[2]+D*b[1]+x*b[0],p.values[I]=o;}else {var H=Math.round($),G=Math.round(F);for(N=0;N<l;N++){var K=N+H*y[2]+G*y[1]+O*y[0],X=N+T*b[2]+D*b[1]+x*b[0];p.values[X]=v[K];}}}}}return p.toTensor();},e.prototype.sparseToDense=function(t,e,n,r){var i=Hi(0,t,n),o=i.sliceRank,a=i.numUpdates,s=i.sliceSize,u=i.strides,c=i.outputSize;return this.scatter(t,e,n,c,s,a,o,u,r,!1);},e.prototype.gatherND=function(t,e){var n=e.shape,r=n[n.length-1],i=zi(t,e),o=i[0],a=i[1],s=i[2],u=i[3];if(0===a)return jn([],o,t.dtype);for(var c=new wt([a,s],t.dtype),l=this.readSync(e.dataId),f=this.readSync(t.dataId),h=0;h<a;h++){for(var d=[],p=0,m=0;m<r;m++){var g=l[h*r+m];p+=g*u[m],d.push(g);}if(p<0||p>=t.size/s)throw new Error("Invalid indices: "+d+" does not index into "+t.shape);for(var v=0;v<s;v++){c.values[h*s+v]=f[p*s+v];}}return c.toTensor().reshape(o);},e.prototype.scatterND=function(t,e,n){var r=Hi(0,t,n),i=r.sliceRank,o=r.numUpdates,a=r.sliceSize,s=r.strides,u=r.outputSize,c=Pn(0);return this.scatter(t,e,n,u,a,o,i,s,c,!0);},e.prototype.fill=function(t,e,n){var r=W(n=n||Q(e),T(t));return r.fill(e),Wt.makeTensor(r,t,n,this);},e.prototype.onesLike=function(t){if("string"===t.dtype)throw new Error("onesLike is not supported for string tensors");return this.fill(t.shape,1,t.dtype);},e.prototype.zerosLike=function(t){var e=W(t.dtype,T(t.shape));return this.makeOutput(e,t.shape,t.dtype);},e.prototype.linspace=function(t,e,n){return Fo(t,e,n);},e.prototype.scatter=function(t,e,n,r,i,o,a,s,u,c){var l=[r/i,i],f=this.readSync(t.dataId),h=this.readSync(e.dataId);if(0===r)return jn([],n,e.dtype);var d=new wt(l,e.dtype);d.values.fill(this.readSync(u.dataId)[0]);for(var p=0;p<o;p++){for(var m=[],g=0,v=0;v<a;v++){var y=f[p*a+v];m.push(y),g+=y*s[v];}if(g<0||g>=r/i)throw new Error("Invalid indices: "+m+" does not index into "+n);for(var b=0;b<i;b++){c?d.values[g*i+b]+=h[p*i+b]:d.values[g*i+b]=0===e.rank?h[0]:h[p*i+b];}}return d.toTensor().reshape(n);},e;}(po);function rf(t,e){return {kernelName:t,backendName:"cpu",kernelFunc:function kernelFunc(n){var r=n.inputs,i=n.backend,o=r,a=o.a,s=o.b,u=i;Ql([a,s],t);var c=u.data.get(a.dataId).values,l=u.data.get(s.dataId).values,f=e(a.shape,s.shape,c,l,a.dtype),h=f[0],d=f[1];return {dataId:u.write(h,d,a.dtype),shape:d,dtype:a.dtype};}};}function of(t){return function(e,n,r,i,o){var a=Ur(e,n),s=a.length,u=et(a),c=U(o,T(a)),l=e.length,f=n.length,h=et(e),d=et(n),p=Lr(e,a),m=Lr(n,a);if(p.length+m.length===0)for(var g=0;g<c.length;++g){c[g]=t(r[g%r.length],i[g%i.length]);}else {var v=function v(e){var n=ft(e,s,u),o=n.slice(-l);p.forEach(function(t){return o[t]=0;});var a=lt(o,l,h),g=n.slice(-f);m.forEach(function(t){return g[t]=0;});var v=lt(g,f,d);c[e]=t(r[a],i[v]);};for(g=0;g<c.length;++g){v(g);}}return [c,a];};}Wt.registerBackend("cpu",function(){return new nf();},1);var af=of(function(t,e){return t/e;}),sf=rf(Ar,af),uf={kernelName:"MaxPoolWithArgmax",backendName:"cpu",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.attrs,r=t.backend,i=e.x,o=n,a=o.filterSize,s=o.strides,u=o.pad,c=o.includeBatchInIndex,l=r;Ql(i,"MaxPoolWithArgmax");var f=l.data.get(i.dataId).values,h=go(i.shape,a,s,[1,1],u),d=function(t,e,n,r,i){var o=Zl(t,0,n,et(e),i,"max"),a=tf(t,e,n,i,!0,r);return [o.values,a.values];}(f,i.shape,i.dtype,c,h),p=d[0],m=d[1],g=l.write(p,h.outShape,i.dtype),v=l.write(m,h.outShape,i.dtype);return [{dataId:g,shape:h.outShape,dtype:i.dtype},{dataId:v,shape:h.outShape,dtype:"int32"}];}},cf={kernelName:"NonMaxSuppressionV5",backendName:"cpu",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=t.attrs,i=e,o=i.boxes,a=i.scores,s=r,u=s.maxOutputSize,c=s.iouThreshold,l=s.scoreThreshold,f=s.softNmsSigma,h=n;Ql(o,"NonMaxSuppressionWithScore");var d=Lo(h.data.get(o.dataId).values,h.data.get(a.dataId).values,u,c,l,f);return [d.selectedIndices,d.selectedScores];}},lf={kernelName:"Square",backendName:"cpu",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=e.x,i=n;Ql(r,"square");for(var o=i.data.get(r.dataId).values,a=new Float32Array(o.length),s=0;s<o.length;++s){var u=o[s];a[s]=u*u;}return {dataId:i.write(a,r.shape,r.dtype),shape:r.shape,dtype:r.dtype};}},ff=of(function(t,e){var n=t-e;return n*n;});function hf(t,e,n,r,i){for(var o=T(e),a=e.length,s=et(e),u=et(i),c=U(n,T(i)),l=0;l<o;++l){for(var f=ft(l,a,s),h=new Array(f.length),d=0;d<h.length;d++){h[d]=f[r[d]];}c[lt(h,a,u)]=t[l];}return c;}for(var df=0,pf=[cf,lf,rf(_r,ff),sf,{kernelName:"Transpose",backendName:"cpu",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.attrs,r=t.backend,i=e.x,o=n.perm,a=r;Ql(i,"transpose");for(var s=i.shape.length,u=new Array(s),c=0;c<u.length;c++){u[c]=i.shape[o[c]];}var l=hf(a.data.get(i.dataId).values,i.shape,i.dtype,o,u);return {dataId:a.write(l,u,i.dtype),shape:u,dtype:i.dtype};}},uf];df<pf.length;df++){y(pf[df]);}for(var mf,gf=0,vf=[{kernelName:"FromPixels",backendName:"webgl",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=t.attrs,i=e.pixels,o=r.numChannels,a="undefined"!=typeof HTMLVideoElement&&i instanceof HTMLVideoElement,s="undefined"!=typeof HTMLImageElement&&i instanceof HTMLImageElement,u=a?[i.videoWidth,i.videoHeight]:[i.width,i.height],c=u[0],l=u[1],h=[l,c],d=[l,c,o];(s||a)&&(null==mf&&(mf=document.createElement("canvas").getContext("2d")),mf.canvas.width=c,mf.canvas.height=l,mf.drawImage(i,0,0,c,l),i=mf.canvas);var p=n.makeTensorInfo(h,"int32");n.texData.get(p.dataId).usage=Ht.PIXELS,n.gpgpu.uploadPixelDataToTexture(n.getTexture(p.dataId),i);var m=f().getBool("WEBGL_PACK")?new function(t){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;var e=Yo(),n=t[0],r=t[1];this.outputShape=t,this.userCode="\n      void main() {\n        ivec3 coords = getOutputCoords();\n        int texR = coords[0];\n        int texC = coords[1];\n        int depth = coords[2];\n\n        vec4 result = vec4(0.);\n\n        for(int row=0; row<=1; row++) {\n          for(int col=0; col<=1; col++) {\n            texC = coords[1] + row;\n            depth = coords[2] + col;\n\n            vec2 uv = (vec2(texC, texR) + halfCR) /\n                       vec2("+r+".0, "+n+".0);\n            vec4 values = "+e.texture2D+"(A, uv);\n            float value;\n            if (depth == 0) {\n              value = values.r;\n            } else if (depth == 1) {\n              value = values.g;\n            } else if (depth == 2) {\n              value = values.b;\n            } else if (depth == 3) {\n              value = values.a;\n            }\n\n            result[row * 2 + col] = floor(value * 255.0 + 0.5);\n          }\n        }\n\n        "+e.output+" = result;\n      }\n    ";}(d):new function(t){this.variableNames=["A"];var e=Yo(),n=t[0],r=t[1];this.outputShape=t,this.userCode="\n      void main() {\n        ivec3 coords = getOutputCoords();\n        int texR = coords[0];\n        int texC = coords[1];\n        int depth = coords[2];\n        vec2 uv = (vec2(texC, texR) + halfCR) / vec2("+r+".0, "+n+".0);\n\n        vec4 values = "+e.texture2D+"(A, uv);\n        float value;\n        if (depth == 0) {\n          value = values.r;\n        } else if (depth == 1) {\n          value = values.g;\n        } else if (depth == 2) {\n          value = values.b;\n        } else if (depth == 3) {\n          value = values.a;\n        }\n\n        setOutput(floor(value * 255.0 + 0.5));\n      }\n    ";}(d),g=n.runWebGLProgram(m,[p],"int32");return n.disposeData(p.dataId),g;}},{kernelName:Ar,backendName:"webgl",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=e;return function(t,e,n){var r=new ma("\nif (a == b) {\n  return 1.0;\n};\nreturn a / b;",t.shape,e.shape);return f().getBool("WEBGL_PACK_BINARY_OPERATIONS")&&(r=new va("\n  // vec4 one = vec4(equal(a, b));\n  // return one + (vec4(1.0) - one) * a / b;\n  vec4 result = a / b;\n  if(a.x == b.x) {\n    result.x = 1.;\n  }\n  if(a.y == b.y) {\n    result.y = 1.;\n  }\n  if(a.z == b.z) {\n    result.z = 1.;\n  }\n  if(a.w == b.w) {\n    result.w = 1.;\n  }\n\n  return result;\n",t.shape,e.shape,!0)),n.runWebGLProgram(r,[t,e],"float32");}(r.a,r.b,n);}},{kernelName:"NonMaxSuppressionV5",backendName:"webgl",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=t.attrs;vn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");var i=e,o=i.boxes,a=i.scores,s=r,u=s.maxOutputSize,c=s.iouThreshold,l=s.scoreThreshold,f=s.softNmsSigma,h=n,d=Lo(h.readSync(o.dataId),h.readSync(a.dataId),u,c,l,f);return [d.selectedIndices,d.selectedScores];}},{kernelName:"Square",backendName:"webgl",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=e.x,i=n,o=new ss(r.shape,"return x * x;");return i.runWebGLProgram(o,[r],r.dtype);}},{kernelName:_r,backendName:"webgl",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=e,i=r.a,o=r.b,a=n,s=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new va("return (a - b) * (a - b);",i.shape,o.shape):new ma("return (a - b) * (a - b);",i.shape,o.shape);return a.compileAndRun(s,[i,o]);}},{kernelName:"Transpose",backendName:"webgl",kernelFunc:function kernelFunc(t){for(var e,n=t.inputs,r=t.attrs,i=t.backend,o=n.x,a=r.perm,s=i,u=o.shape.length,c=new Array(u),l=0;l<c.length;l++){c[l]=o.shape[a[l]];}if(s.shouldExecuteOnCPU([o])){var h=hf(s.texData.get(o.dataId).values,o.shape,o.dtype,a,c);e=s.makeTensorInfo(c,o.dtype),s.texData.get(e.dataId).values=h;}else e=function(t,e,n){var r=f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new function(t,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;for(var n=new Array(t.length),r=0;r<n.length;r++){n[r]=t[e[r]];}if(this.outputShape=n,this.rank=n.length,this.rank>6)throw Error("Packed transpose for rank "+this.rank+" is not yet supported.");var i=sa(this.rank),o=Ko("rc",this.rank),a=new Array(this.rank);for(r=0;r<e.length;r++){a[e[r]]=o[r];}var s="vec2("+a.slice(-2).join()+")",u="++"+o[this.rank-1]+" < "+n[this.rank-1],c="getChannel(getA("+a.join()+"), "+s+")";this.userCode="\n    void main() {\n      "+i+" rc = getOutputCoords();\n      vec4 result = vec4(0.);\n      result[0] = "+c+";\n      if("+u+") {\n        result[1] = "+c+";\n      }\n      --"+o[this.rank-1]+";\n      if(++"+o[this.rank-2]+" < "+n[this.rank-2]+") {\n        result[2] = "+c+";\n        if("+u+") {\n          result[3] = "+c+";\n        }\n      }\n      setOutput(result);\n    }\n    ";}(t.shape,e):new function(t,e){this.variableNames=["A"];for(var n=new Array(t.length),r=0;r<n.length;r++){n[r]=t[e[r]];}this.outputShape=n,this.rank=n.length;var i=sa(this.rank),o=function(t){var e=t.length;if(e>6)throw Error("Transpose for rank "+e+" is not yet supported");for(var n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u","resRC.v"],r=new Array(e),i=0;i<t.length;i++){r[t[i]]=n[i];}return r.join();}(e);this.userCode="\n    void main() {\n      "+i+" resRC = getOutputCoords();\n      setOutput(getA("+o+"));\n    }\n    ";}(t.shape,e);return n.runWebGLProgram(r,[t],t.dtype);}(o,a,s);return e;}},{kernelName:"MaxPoolWithArgmax",backendName:"webgl",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.attrs,r=t.backend,i=e.x,o=n,a=o.filterSize,s=o.strides,u=o.pad,c=o.includeBatchInIndex,l=r;_(4===i.shape.length,function(){return "Error in maxPool: input must be rank 4 but got rank "+i.shape.length+".";});var f=[1,1];_(Oo(s,f),function(){return "Error in maxPool: Either strides or dilations must be 1. Got strides "+s+" and dilations '"+f+"'";});var h=go(i.shape,a,s,f,u),d=function(t,e,n,r){var i=new Ya(n,"max",!1),o=r.runWebGLProgram(i,[t],"float32");return i=new Ya(n,"max",!0,!0,e),[o,r.runWebGLProgram(i,[t],"float32")];}(i,c,h,l);return [d[0],d[1]];}}];gf<vf.length;gf++){y(vf[gf]);}for(var yf=0,bf=[{kernelName:Er,inputsToSave:["a","b"],gradFunc:function gradFunc(t,e){var n=e[0],r=e[1],i=Ur(n.shape,r.shape);return {a:function a(){var e=t,r=zr(n.shape,i);return r.length>0&&(e=e.sum(r)),e.reshape(n.shape);},b:function b(){var e=t,n=zr(r.shape,i);return n.length>0&&(e=e.sum(n)),e.reshape(r.shape);}};}},{kernelName:"AddN",saveAllInputs:!0,gradFunc:function gradFunc(t,e){var n={};return e.forEach(function(e,r){n[r]=function(){return t.clone();};}),n;}},{kernelName:Tr,gradFunc:function gradFunc(t,e,n){for(var r=n,i=r.inputShape,o=r.shape,a=Array.from(o),s=i.length-1;s>=0;s--){if(i[s]===o[s])a[s]=1;else if(1!==i[s])throw new Error("broadcastTo(): ["+i+"] cannot be broadcast to 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t=Ni(Ni(m,Pn(-1)),p);return 1===o.rank&&(t=Wc(t,l)),hr(t,o.shape);},variance:function variance(){var t=Ni(Ni(g,d),p);return 1===o.rank&&(t=Wc(t,l)),hr(t,o.shape);},scale:function scale(){var e=Ni(d,m),n=Ni(t,e);return 1===o.rank&&(n=Wc(n,l)),hr(n,o.shape);},offset:function offset(){var e=t;return 1===o.rank&&(e=Wc(e,l)),hr(e,o.shape);}};}},{kernelName:Ir,gradFunc:function gradFunc(t){return {x:function x(){return t.toFloat();}};}},{kernelName:Nr,inputsToSave:["indices"],gradFunc:function gradFunc(t,e){var n=e[0];return {indices:function indices(){return Gn(n.shape,"float32");}};}},{kernelName:Mr,inputsToSave:["x"],gradFunc:function gradFunc(t,e,n){var r=e[0],i=n.paddings.map(function(t){return t[0];});return {x:function x(){return t.slice(i,r.shape);}};}},{kernelName:"Square",inputsToSave:["x"],gradFunc:function gradFunc(t,e){var n=e[0];return {x:function x(){return t.mul(n.toFloat().mul(2));}};}},{kernelName:_r,inputsToSave:["a","b"],gradFunc:function gradFunc(t,e){var 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t.prototype.listModels=function(){return u(this,void 0,void 0,function(){var t=this;return c(this,function(e){return [2,new Promise(function(e,n){var r=t.indexedDB.open("tensorflowjs",1);r.onupgradeneeded=function(){return Lf(r);},r.onsuccess=function(){var t=r.result,i=t.transaction(Bf,"readonly"),o=i.objectStore(Bf).getAll();o.onsuccess=function(){for(var t={},n=0,r=o.result;n<r.length;n++){var i=r[n];t[i.modelPath]=i.modelArtifactsInfo;}e(t);},o.onerror=function(e){return t.close(),n(o.error);},i.oncomplete=function(){return t.close();};},r.onerror=function(t){return n(r.error);};})];});});},t.prototype.removeModel=function(t){return u(this,void 0,void 0,function(){var e=this;return c(this,function(n){var r;return t=(r=t).startsWith(zf.URL_SCHEME)?r.slice(zf.URL_SCHEME.length):r,[2,new Promise(function(n,r){var i=e.indexedDB.open("tensorflowjs",1);i.onupgradeneeded=function(){return Lf(i);},i.onsuccess=function(){var 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this.LS.setItem(this.keys.info,JSON.stringify(r)),this.LS.setItem(this.keys.topology,e),this.LS.setItem(this.keys.weightSpecs,n),this.LS.setItem(this.keys.weightData,function(t){if(Of)return i.from(t).toString("base64");for(var e=new Uint8Array(t),n="",r=0,o=e.length;r<o;r++){n+=String.fromCharCode(e[r]);}return btoa(n);}(t.weightData)),this.LS.setItem(this.keys.modelMetadata,JSON.stringify({format:t.format,generatedBy:t.generatedBy,convertedBy:t.convertedBy,userDefinedMetadata:t.userDefinedMetadata})),[2,{modelArtifactsInfo:r}];}catch(t){throw this.LS.removeItem(this.keys.info),this.LS.removeItem(this.keys.topology),this.LS.removeItem(this.keys.weightSpecs),this.LS.removeItem(this.keys.weightData),this.LS.removeItem(this.keys.modelMetadata),new Error("Failed to save model '"+this.modelPath+"' to local storage: size quota being exceeded is a possible cause of this failure: modelTopologyBytes="+r.modelTopologyBytes+", weightSpecsBytes="+r.weightSpecsBytes+", weightDataBytes="+r.weightDataBytes+".");}return [2];});});},t.prototype.load=function(){return u(this,void 0,void 0,function(){var t,e,n,r,o,a,s;return c(this,function(u){if(null==(t=JSON.parse(this.LS.getItem(this.keys.info))))throw new Error("In local storage, there is no model with name '"+this.modelPath+"'");if("JSON"!==t.modelTopologyType)throw new Error("BrowserLocalStorage does not support loading non-JSON model topology yet.");if(e={},null==(n=JSON.parse(this.LS.getItem(this.keys.topology))))throw new Error("In local storage, the topology of model '"+this.modelPath+"' is missing.");if(e.modelTopology=n,null==(r=JSON.parse(this.LS.getItem(this.keys.weightSpecs))))throw new Error("In local storage, the weight specs of model '"+this.modelPath+"' are 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n=JSON.parse(this.LS.getItem(e.info)),this.LS.removeItem(e.info),this.LS.removeItem(e.topology),this.LS.removeItem(e.weightSpecs),this.LS.removeItem(e.weightData),[2,n];});});},t;}();if(f().getBool("IS_BROWSER"))try{If.registerManager(Qf.URL_SCHEME,new th());}catch(a){}var eh="model",nh=".json",rh=".weights.bin";function ih(t){return new Promise(function(t){return setTimeout(t);}).then(t);}var oh=function(){function t(e){if(!f().getBool("IS_BROWSER"))throw new Error("browserDownloads() cannot proceed because the current environment is not a browser.");e.startsWith(t.URL_SCHEME)&&(e=e.slice(t.URL_SCHEME.length)),null!=e&&0!==e.length||(e=eh),this.modelTopologyFileName=e+nh,this.weightDataFileName=e+rh;}return t.prototype.save=function(t){return u(this,void 0,void 0,function(){var e,n,r,i,o,a;return c(this,function(s){switch(s.label){case 0:if("undefined"==typeof document)throw new Error("Browser downloads are not supported in this environment since `document` is not 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The argument should be of type ModelArtifacts. The multi-argument signature of tf.io.fromMemory() has been deprecated and will be removed in a future release."),new mh({modelTopology:t})):(console.warn("Please call tf.io.fromMemory() with only one argument. The argument should be of type ModelArtifacts. 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Labels and predictions should have the same number of elements.";}),_(n>0&&Number.isInteger(n),function(){return "numClasses is required to be a positive integer, but got "+n;});var o=hu(r.asType("int32"),n),a=hu(i.asType("int32"),n);return o.transpose().matMul(a).asType("int32");}}),bh=Object.freeze({confusionMatrix:yh}),xh=Nn({fromPixels_:function fromPixels_(t,e){if(void 0===e&&(e=3),e>4)throw new Error("Cannot construct Tensor with more than 4 channels from pixels.");if(null==t)throw new Error("pixels passed to tf.browser.fromPixels() can not be null");var n=!1,r=!1,i=!1,o=!1,a=!1;if(t.data instanceof Uint8Array)n=!0;else if("undefined"!=typeof ImageData&&t instanceof ImageData)r=!0;else if("undefined"!=typeof HTMLVideoElement&&t instanceof HTMLVideoElement)i=!0;else if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement)o=!0;else {if(null==t.getContext)throw new Error("pixels passed to tf.browser.fromPixels() must be either an HTMLVideoElement, HTMLImageElement, HTMLCanvasElement, ImageData in browser, or OffscreenCanvas, ImageData in webworker or {data: Uint32Array, width: number, height: number}, but was "+t.constructor.name);a=!0;}if(i&&i&&t.readyState<2)throw new Error("The video element has not loaded data yet. Please wait for `loadeddata` event on the <video> element.");if(null!=m("FromPixels",Wt.backendName))return Wt.runKernel("FromPixels",{pixels:t},{numChannels:e});var s,u,c=i?[t.videoWidth,t.videoHeight]:[t.width,t.height],l=c[0],f=c[1];if(a?s=t.getContext("2d").getImageData(0,0,l,f).data:r||n?s=t.data:(o||i)&&(null==ph&&(ph=document.createElement("canvas").getContext("2d")),ph.canvas.width=l,ph.canvas.height=f,ph.drawImage(t,0,0,l,f),s=ph.getImageData(0,0,l,f).data),4===e)u=new Int32Array(s);else {var h=l*f;u=new Int32Array(h*e);for(var d=0;d<h;d++){for(var p=0;p<e;++p){u[d*e+p]=s[4*d+p];}}}return Un(u,[f,l,e],"int32");}}),wh=Object.freeze({toPixels:function toPixels(t,e){return u(this,void 0,void 0,function(){var n,r,i,o,a,s,u,l,f,h,d,p,m,g,v,y,b,x,w,k,E,C,A;return c(this,function(c){switch(c.label){case 0:if(n=xn(t,"img","toPixels"),t instanceof At||(n=n.toInt()),2!==n.rank&&3!==n.rank)throw new Error("toPixels only supports rank 2 or 3 tensors, got rank "+n.rank+".");if(r=n.shape.slice(0,2),i=r[0],o=r[1],(a=2===n.rank?1:n.shape[2])>4||2===a)throw new Error("toPixels only supports depth of size 1, 3 or 4 but got "+a);return [4,n.data()];case 1:return s=c.sent(),u=n.min(),l=n.max(),[4,Promise.all([u.data(),l.data()])];case 2:if(f=c.sent(),h=f[0],d=f[1],p=h[0],m=d[0],u.dispose(),l.dispose(),"float32"===n.dtype){if(p<0||m>1)throw new Error("Tensor values for a float32 Tensor must be in the range [0 - 1] but got range ["+p+" - "+m+"].");}else {if("int32"!==n.dtype)throw new Error("Unsupported type for toPixels: "+n.dtype+". 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s(e,t),e.prototype.applyGradients=function(t){var e=this,n=Array.isArray(t)?t.map(function(t){return t.name;}):Object.keys(t);rn(function(){var r=Bi(1,e.accBeta1),i=Bi(1,e.accBeta2);n.forEach(function(n,o){var a=Wt.registeredVariables[n];null==e.accumulatedFirstMoment[o]&&(e.accumulatedFirstMoment[o]={originalName:n+"/m",variable:rn(function(){return Qn(a).variable(!1);})}),null==e.accumulatedSecondMoment[o]&&(e.accumulatedSecondMoment[o]={originalName:n+"/v",variable:rn(function(){return Qn(a).variable(!1);})});var s=Array.isArray(t)?t[o].tensor:t[n];if(null!=s){var u=e.accumulatedFirstMoment[o].variable,c=e.accumulatedSecondMoment[o].variable,l=u.mul(e.beta1).add(s.mul(1-e.beta1)),f=c.mul(e.beta2).add(s.square().mul(1-e.beta2)),h=l.div(r),d=f.div(i);u.assign(l),c.assign(f);var 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i=Wt.registeredVariables[n];null==e.accumulations[r]&&(e.accumulations[r]={originalName:n+"/momentum",variable:rn(function(){return Qn(i).variable(!1);})});var o=e.accumulations[r].variable,a=Array.isArray(t)?t[r].tensor:t[n];null!=a&&rn(function(){var t,n=e.m.mul(o).add(a);t=e.useNesterov?e.c.mul(a.add(n.mul(e.m))).add(i):e.c.mul(n).add(i),o.assign(n),i.assign(t);});}),this.incrementIterations();},e.prototype.dispose=function(){this.m.dispose(),null!=this.accumulations&&on(this.accumulations.map(function(t){return t.variable;}));},e.prototype.setMomentum=function(t){this.momentum=t;},e.prototype.getWeights=function(){return u(this,void 0,void 0,function(){return c(this,function(t){switch(t.label){case 0:return [4,this.saveIterations()];case 1:return [2,[t.sent()].concat(this.accumulations.map(function(t){return {name:t.originalName,tensor:t.variable};}))];}});});},e.prototype.setWeights=function(t){return u(this,void 0,void 0,function(){return c(this,function(e){switch(e.label){case 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t.name;}):Object.keys(t)).forEach(function(n,r){var i=Wt.registeredVariables[n];null==e.accumulatedMeanSquares[r]&&(e.accumulatedMeanSquares[r]={originalName:n+"/rms",variable:rn(function(){return Qn(i).variable(!1);})}),null==e.accumulatedMoments[r]&&(e.accumulatedMoments[r]={originalName:n+"/momentum",variable:rn(function(){return Qn(i).variable(!1);})}),null==e.accumulatedMeanGrads[r]&&e.centered&&(e.accumulatedMeanGrads[r]={originalName:n+"/mg",variable:rn(function(){return Qn(i).variable(!1);})});var o=Array.isArray(t)?t[r].tensor:t[n];if(null!=o){var a=e.accumulatedMeanSquares[r].variable,s=e.accumulatedMoments[r].variable;rn(function(){var t=a.mul(e.decay).add(o.square().mul(1-e.decay));if(e.centered){var n=e.accumulatedMeanGrads[r].variable,u=n.mul(e.decay).add(o.mul(1-e.decay)),c=s.mul(e.momentum).add(o.mul(e.learningRate).div(t.sub(u.square().add(e.epsilon)).sqrt()));a.assign(t),n.assign(u),s.assign(c);var l=i.sub(c);i.assign(l);}else {var 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Got: "+e.scale);return n.scale=null==e.scale?1:e.scale,n.mode=null==e.mode?"fanIn":e.mode,function(t){D(_t,"FanMode",t);}(n.mode),n.distribution=null==e.distribution?"normal":e.distribution,function(t){D(St,"Distribution",t);}(n.distribution),n.seed=e.seed,n;}return o(e,t),e.prototype.apply=function(t,e){var n=function(t,e){var n,r;if(void 0===e&&(e="channelsLast"),X(e),2===t.length)n=t[0],r=t[1];else if(-1!==[3,4,5].indexOf(t.length)){if("channelsFirst"===e){var i=at(t,2);n=t[1]*i,r=t[0]*i;}else "channelsLast"===e&&(i=at(t,0,t.length-2),n=t[t.length-2]*i,r=t[t.length-1]*i);}else {var o=at(t);n=Math.sqrt(o),r=Math.sqrt(o);}return [n,r];}(t),i=n[0],o=n[1],a=this.scale;if("fanIn"===this.mode?a/=Math.max(1,i):"fanOut"===this.mode?a/=Math.max(1,o):a/=Math.max(1,(i+o)/2),"normal"===this.distribution){var s=Math.sqrt(a);if("float32"!==(e=e||"float32")&&"int32"!==e)throw new p(this.getClassName()+" does not support dType "+e+".");return Object(r.truncatedNormal)(t,0,s,e,this.seed);}var u=Math.sqrt(3*a);return Object(r.randomUniform)(t,-u,u,e);},e.prototype.getConfig=function(){return {scale:this.scale,mode:this.mode,distribution:this.distribution,seed:this.seed};},e.className="VarianceScaling",e;}(Dt);r.serialization.registerClass(Bt);var Pt=function(t){function e(e){return t.call(this,{scale:1,mode:"fanAvg",distribution:"uniform",seed:null==e?null:e.seed})||this;}return o(e,t),e.prototype.getClassName=function(){return Bt.className;},e.className="GlorotUniform",e;}(Bt);r.serialization.registerClass(Pt);var Lt=function(t){function e(e){return t.call(this,{scale:1,mode:"fanAvg",distribution:"normal",seed:null==e?null:e.seed})||this;}return o(e,t),e.prototype.getClassName=function(){return Bt.className;},e.className="GlorotNormal",e;}(Bt);r.serialization.registerClass(Lt);var zt=function(t){function e(e){return t.call(this,{scale:2,mode:"fanIn",distribution:"normal",seed:null==e?null:e.seed})||this;}return o(e,t),e.prototype.getClassName=function(){return Bt.className;},e.className="HeNormal",e;}(Bt);r.serialization.registerClass(zt);var Ut=function(t){function e(e){return t.call(this,{scale:2,mode:"fanIn",distribution:"uniform",seed:null==e?null:e.seed})||this;}return o(e,t),e.prototype.getClassName=function(){return Bt.className;},e.className="HeUniform",e;}(Bt);r.serialization.registerClass(Ut);var Wt=function(t){function e(e){return t.call(this,{scale:1,mode:"fanIn",distribution:"normal",seed:null==e?null:e.seed})||this;}return o(e,t),e.prototype.getClassName=function(){return Bt.className;},e.className="LeCunNormal",e;}(Bt);r.serialization.registerClass(Wt);var Vt=function(t){function e(e){return t.call(this,{scale:1,mode:"fanIn",distribution:"uniform",seed:null==e?null:e.seed})||this;}return o(e,t),e.prototype.getClassName=function(){return Bt.className;},e.className="LeCunNormal",e;}(Bt);r.serialization.registerClass(Vt);var qt=function(t){function e(e){var n=t.call(this)||this;if(n.DEFAULT_GAIN=1,n.gain=null==e.gain?n.DEFAULT_GAIN:e.gain,n.seed=e.seed,null!=n.seed)throw new p("Random seed is not implemented for Orthogonal Initializer yet.");return n;}return o(e,t),e.prototype.apply=function(t,e){var n=this;return Object(r.tidy)(function(){if(2!==t.length)throw new p("The Orthogonal Initializer does not support non-2D shapes yet.");t[0]*t[1]>2e3&&console.warn("Orthogonal initializer is being called on a matrix with more than 2000 ("+t[0]*t[1]+") elements: Slowness may result.");var e=bt(t[0]>t[1]?[t[1],t[0]]:t,0,1,"float32"),i=r.linalg.gramSchmidt(e);return t[0]>t[1]&&(i=i.transpose()),Object(r.mul)(n.gain,i);});},e.prototype.getConfig=function(){return {gain:this.gain,seed:this.seed};},e.className="Orthogonal",e;}(Dt);r.serialization.registerClass(qt);var $t={constant:"Constant",glorotNormal:"GlorotNormal",glorotUniform:"GlorotUniform",heNormal:"HeNormal",heUniform:"HeUniform",identity:"Identity",leCunNormal:"LeCunNormal",leCunUniform:"LeCunUniform",ones:"Ones",orthogonal:"Orthogonal",randomNormal:"RandomNormal",randomUniform:"RandomUniform",truncatedNormal:"TruncatedNormal",varianceScaling:"VarianceScaling",zeros:"Zeros"};function Ht(t,e){return void 0===e&&(e={}),A(t,r.serialization.SerializationMap.getMap().classNameMap,e,"initializer");}function Gt(t){return C(t);}function Kt(t){if("string"==typeof t){var e=t in $t?$t[t]:t;if("GlorotNormal"===e)return new Lt();if("GlorotUniform"===e)return new Pt();if("HeNormal"===e)return new zt();if("HeUniform"===e)return new Ut();if("LeCunNormal"===e)return new Wt();if("LeCunUniform"===e)return new Vt();var n={};return n.className=e,n.config={},Ht(n);}return t instanceof Dt?t:Ht(t);}var Xt=Object.freeze({zeros:function zeros(){return new Ft();},ones:function ones(){return new Tt();},constant:function constant(t){return new Nt(t);},randomUniform:function randomUniform(t){return new It(t);},randomNormal:function randomNormal(t){return new Rt(t);},truncatedNormal:function truncatedNormal(t){return new Mt(t);},identity:function identity(t){return new jt(t);},varianceScaling:function varianceScaling(t){return new Bt(t);},glorotUniform:function glorotUniform(t){return new Pt(t);},glorotNormal:function glorotNormal(t){return new Lt(t);},heNormal:function heNormal(t){return new zt(t);},heUniform:function heUniform(t){return new Ut(t);},leCunNormal:function leCunNormal(t){return new Wt(t);},leCunUniform:function leCunUniform(t){return new Vt(t);},orthogonal:function orthogonal(t){return new qt(t);}}),Yt=0;function Jt(){return Yt++;}var Qt={};function Zt(t){return void 0===t&&(t=""),t in Qt||(Qt[t]=0),Qt[t]+=1,t+Qt[t].toString();}function te(t){return Array.isArray(t)&&Array.isArray(t[0]);}function ee(t){return 0===t.length?[]:Array.isArray(t[0])?t:[t];}function ne(t){var e;if(Array.isArray(t)){if(1!==t.length)throw new d("Expected Tensor length to be 1; got "+t.length);e=t[0];}else e=t;return e;}function re(t){if(Array.isArray(t)&&Array.isArray(t[0])){if(1===t.length)return (t=t)[0];throw new d("Expected exactly 1 Shape; got "+t.length);}return t;}function ie(t){for(var e=0,n=0,r=t;n<r.length;n++){var i=r[n];0===i.shape.length?e+=1:e+=i.shape.reduce(function(t,e){return t*e;});}return e;}var oe="Variable",ae=function(){function t(t,e,n,i,o){void 0===e&&(e="float32"),void 0===n&&(n=oe),void 0===i&&(i=!0),void 0===o&&(o=null),this.dtype=null==e?"float32":e,this.shape=t.shape,this.id=Jt(),n=null==n?oe:n,this.originalName=et(n),this.name=nt(this.originalName),this.trainable_=i,this.constraint=o,this.val=Object(r.variable)(t,this.trainable_,this.name,this.dtype);}return t.prototype.read=function(){return this.assertNotDisposed(),this.val;},t.prototype.write=function(t){return this.assertNotDisposed(),function(t,e){if(t.shape.toString()!==e.shape.toString())throw new Error("Shape mismatch: "+JSON.stringify(t.shape)+" vs. "+JSON.stringify(e.shape));}(this.val,t),this.val.id!==t.id&&(this.val.assign(t),null!=this.constraint&&this.val.assign(this.constraint.apply(this.val))),this;},t.prototype.dispose=function(){this.assertNotDisposed(),this.val.dispose();},t.prototype.assertNotDisposed=function(){if(this.val.isDisposed)throw new Error("LayersVariable "+this.name+" is already disposed.");},Object.defineProperty(t.prototype,"trainable",{get:function get(){return this.trainable_;},set:function set(t){this.trainable_=t,this.val.trainable=t;},enumerable:!0,configurable:!0}),t;}();function se(t){return t.map(function(t){return t.read();});}function ue(t){t.forEach(function(t){t[0].write(t[1]);});}var ce=function ce(t){this.dtype=t.dtype,this.shape=t.shape,null!=t.shape?this.ndim=t.shape.length:this.ndim=t.ndim,this.maxNDim=t.maxNDim,this.minNDim=t.minNDim,this.axes=t.axes||{};},le=function le(t,e,n,r,i,o,a){this.dtype=t,this.shape=e,this.sourceLayer=n,this.inputs=r,this.callArgs=i,this.outputTensorIndex=a,this.id=Jt(),null!=o&&(this.originalName=et(o),this.name=nt(this.originalName)),this.rank=e.length;},fe=0,he=function(){function t(t,e){this.callArgs=e,this.id=fe++,this.outboundLayer=t.outboundLayer,this.inboundLayers=t.inboundLayers,this.nodeIndices=t.nodeIndices,this.tensorIndices=t.tensorIndices,this.inputTensors=t.inputTensors,this.outputTensors=t.outputTensors,this.inputMasks=t.inputMasks,this.outputMasks=t.outputMasks,this.inputShapes=t.inputShapes,this.outputShapes=t.outputShapes;for(var n=0,r=t.inboundLayers;n<r.length;n++){var i=r[n];null!=i&&i.outboundNodes.push(this);}t.outboundLayer.inboundNodes.push(this);}return t.prototype.getConfig=function(){for(var t=[],e=0,n=this.inboundLayers;e<n.length;e++){var r=n[e];null!=r?t.push(r.name):t.push(null);}return {outboundLayer:this.outboundLayer?this.outboundLayer.name:null,inboundLayers:t,nodeIndices:this.nodeIndices,tensorIndices:this.tensorIndices};},t;}(),de=0,pe=function(t){function e(e){var n=t.call(this)||this;n._callHook=null,n._addedWeightNames=[],n._stateful=!1,n.id=de++,n.activityRegularizer=null,n.inputSpec=null,n.supportsMasking=!1,n._trainableWeights=[],n._nonTrainableWeights=[],n._losses=[],n._updates=[],n._built=!1,n.inboundNodes=[],n.outboundNodes=[];var r=e.name;if(!r){var i=n.getClassName();r=w(i)+"_"+Zt(i);}if(n.name=r,n.trainable_=null==e.trainable||e.trainable,null!=e.inputShape||null!=e.batchInputShape){var o=void 0;if(null!=e.batchInputShape)o=e.batchInputShape;else if(null!=e.inputShape){var a=null;null!=e.batchSize&&(a=e.batchSize),o=[a].concat(e.inputShape);}n.batchInputShape=o;var s=e.dtype;null==s&&(s=e.inputDType),null==s&&(s="float32"),n.dtype=s;}return null!=e.weights?n.initialWeights=e.weights:n.initialWeights=null,n._refCount=null,n.fastWeightInitDuringBuild=!1,n;}return o(e,t),e.nodeKey=function(t,e){return t.name+"_ib-"+e.toString();},e.prototype.getNodeAtIndex=function(t,e){if(0===this.inboundNodes.length)throw new h("The layer has never been called and thus has no defined "+e+".");if(this.inboundNodes.length<=t)throw new d("Asked to get "+e+" at node "+t+", but the layer has only "+this.inboundNodes.length+" inbound nodes.");return this.inboundNodes[t];},e.prototype.getInputAt=function(t){return b(this.getNodeAtIndex(t,"input").inputTensors);},e.prototype.getOutputAt=function(t){return b(this.getNodeAtIndex(t,"output").outputTensors);},Object.defineProperty(e.prototype,"input",{get:function get(){if(this.inboundNodes.length>1)throw new f("Layer "+this.name+' has multiple inbound nodes, hence the notion of "layer input" is ill-defined. Use `getInputAt(nodeIndex)` instead.');if(0===this.inboundNodes.length)throw new f("Layer "+this.name+" is not connected, no input to return.");return b(this.getNodeAtIndex(0,"input").inputTensors);},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"output",{get:function get(){if(0===this.inboundNodes.length)throw new f("Layer "+this.name+" has no inbound nodes.");if(this.inboundNodes.length>1)throw new f("Layer "+this.name+' has multiple inbound nodes, hence the notion of "layer output" is ill-defined. Use `getOutputAt(nodeIndex)` instead.');return b(this.getNodeAtIndex(0,"output").outputTensors);},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"losses",{get:function get(){return this._losses;},enumerable:!0,configurable:!0}),e.prototype.calculateLosses=function(){return this.losses.map(function(t){return t();});},Object.defineProperty(e.prototype,"updates",{get:function get(){return this._updates;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"built",{get:function get(){return this._built;},set:function set(t){this._built=t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"trainable",{get:function get(){return this.trainable_;},set:function set(t){this._trainableWeights.forEach(function(e){return e.trainable=t;}),this.trainable_=t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"trainableWeights",{get:function get(){return this.trainable_?this._trainableWeights.filter(function(t){return t.trainable;}):[];},set:function set(t){this._trainableWeights=t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"nonTrainableWeights",{get:function get(){return this.trainable?this._trainableWeights.filter(function(t){return !t.trainable;}).concat(this._nonTrainableWeights):this._trainableWeights.concat(this._nonTrainableWeights);},set:function set(t){this._nonTrainableWeights=t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"weights",{get:function get(){return this.trainableWeights.concat(this.nonTrainableWeights);},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"stateful",{get:function get(){return this._stateful;},enumerable:!0,configurable:!0}),e.prototype.resetStates=function(){if(!this.stateful)throw new Error("Cannot call the resetStates() method of a non-stateful Layer object.");},e.prototype.assertInputCompatibility=function(t){if(t=x(t),null!=this.inputSpec&&0!==this.inputSpec.length){var e=x(this.inputSpec);if(t.length!==e.length)throw new d("Layer "+this.name+" expects "+e.length+" inputs, but it received "+t.length+" input tensors. Input received: "+t);for(var n=0;n<t.length;n++){var r=t[n],i=e[n];if(null!=i){var o=r.rank;if(null!=i.ndim&&o!==i.ndim)throw new d("Input "+n+" is incompatible with layer "+this.name+": expected ndim="+i.ndim+", found ndim="+o);if(null!=i.maxNDim&&o>i.maxNDim)throw new d("Input "+n+" is incompatible with layer "+this.name+": expected max_ndim="+i.maxNDim+", found ndim="+o);if(null!=i.minNDim&&o<i.minNDim)throw new d("Input "+n+" is incompatible with layer "+this.name+": expected min_ndim="+i.minNDim+", found ndim="+o+".");if(null!=i.dtype&&r.dtype!==i.dtype)throw new d("Input "+n+" is incompatible with layer "+this.name+" : expected dtype="+i.dtype+", found dtype="+r.dtype+".");if(i.axes){var a=r.shape;for(var s in i.axes){var u=Number(s),c=i.axes[s],l=u>=0?a[u]:a[a.length+u];if(null!=c&&-1===[c,null].indexOf(l))throw new d("Input "+n+" is incompatible with layer "+this.name+": expected axis "+u+" of input shape to have value "+c+" but got shape "+a+".");}}if(null!=i.shape)for(var f=0;f<i.shape.length;++f){var h=i.shape[f],p=r.shape[f];if(null!=h&&null!=p&&h!==p)throw new d("Input "+n+" is incompatible with layer "+this.name+": expected shape="+i.shape+", found shape="+r.shape+".");}}}}},e.prototype.call=function(t,e){return t;},e.prototype.invokeCallHook=function(t,e){null!=this._callHook&&this._callHook(t,e);},e.prototype.setCallHook=function(t){this._callHook=t;},e.prototype.clearCallHook=function(){this._callHook=null;},e.prototype.apply=function(t,e){var n=this;e=e||{},this.assertNotDisposed();for(var r=x(t),i=!0,o=0,a=r;o<a.length;o++){if(!(a[o]instanceof le)){i=!1;break;}}for(var s=!0,u=0,c=r;u<c.length;u++){if(c[u]instanceof le){s=!1;break;}}if(i===s)throw new d("Arguments to apply() must be all SymbolicTensors or all Tensors");return tt(this.name,function(){if(!n.built){n.assertInputCompatibility(t);for(var i=[],o=0,a=x(t);o<a.length;o++){var u=a[o];i.push(u.shape);}n.build(b(i)),n.built=!0,n.initialWeights&&n.setWeights(n.initialWeights),null===n._refCount&&s&&(n._refCount=1);}if(n.assertInputCompatibility(t),s){for(var c=[],l=0,f=x(g=n.call(t,e));l<f.length;l++){var h=f[l];-1!==r.indexOf(h)&&(h=h.clone()),c.push(h);}if(g=b(c),null!=n.activityRegularizer)throw new p("Layer invocation in the presence of activity regularizer(s) is not supported yet.");return g;}var d=function(t){for(var e=[],n=0,r=t=x(t);n<r.length;n++){var i=r[n];e.push(i.shape);}return b(e);}(t),m=n.computeOutputShape(d),g=void 0,v="float32";if(n.warnOnIncompatibleInputShape(Array.isArray(t)?d[0]:d),g=null!=m&&m.length>0&&Array.isArray(m[0])?m.map(function(r,i){return new le(v,r,n,x(t),e,n.name,i);}):new le(v,m,n,x(t),e,n.name),n.addInboundNode(t,g,null,null,d,m,e),n._refCount++,null!=n.activityRegularizer)throw new p("Layer invocation in the presence of activity regularizer(s) is not supported yet.");return g;});},e.prototype.warnOnIncompatibleInputShape=function(t){if(null!=this.batchInputShape)if(t.length!==this.batchInputShape.length)console.warn("The rank of the input tensor provided (shape: "+JSON.stringify(t)+") does not match that of the batchInputShape ("+JSON.stringify(this.batchInputShape)+") of the layer "+this.name);else {var e=!1;this.batchInputShape.forEach(function(n,r){null!=n&&null!=t[r]&&t[r]!==n&&(e=!0);}),e&&console.warn("The shape of the input tensor ("+JSON.stringify(t)+") does not match the expectation of layer "+this.name+": "+JSON.stringify(this.batchInputShape));}},Object.defineProperty(e.prototype,"outputShape",{get:function get(){if(null==this.inboundNodes||0===this.inboundNodes.length)throw new f("The layer "+this.name+" has never been called and thus has no defined output shape.");for(var t=[],e=0,n=this.inboundNodes;e<n.length;e++){var r=n[e],i=JSON.stringify(r.outputShapes);-1===t.indexOf(i)&&t.push(i);}if(1===t.length){var o=this.inboundNodes[0].outputShapes;return Array.isArray(o)&&Array.isArray(o[0])&&1===o.length?o[0]:o;}throw new f("The layer "+this.name+' has multiple inbound nodes with different output shapes. Hence the notion of "outut shape" is ill-defined for the layer.');},enumerable:!0,configurable:!0}),e.prototype.countParams=function(){if(!this.built)throw new h("You tried to call countParams() on "+this.name+", but the layer is not built yet. Build it first by calling build(batchInputShape).");return ie(this.weights);},e.prototype.build=function(t){this.built=!0;},e.prototype.getWeights=function(t){return void 0===t&&(t=!1),se(t?this.trainableWeights:this.weights);},e.prototype.setWeights=function(t){var e=this;Object(r.tidy)(function(){var n=e.weights;if(n.length!==t.length)throw new d('You called setWeights(weights) on layer "'+e.name+'" with a weight list of length '+t.length+", but the layer was expecting "+n.length+" weights. Provided weights: "+t+"...");if(0!==n.length){for(var i=[],o=se(n),a=0;a<o.length;++a){var s=o[a],u=n[a],c=t[a];if(!r.util.arraysEqual(s.shape,c.shape))throw new d("Layer weight shape "+s.shape+" not compatible with provided weight shape "+c.shape);i.push([u,c]);}ue(i);}});},e.prototype.addWeight=function(t,e,n,r,i,o,a){if(-1!==this._addedWeightNames.indexOf(t))throw new d("Duplicate weight name "+t+" for layer "+this.name);this._addedWeightNames.push(t),null==n&&(n="float32"),this.fastWeightInitDuringBuild&&(r=Kt("zeros"));var s=r.apply(e,n),u=new ae(s,n,t,o,a);return s.dispose(),null!=i&&this.addLoss(function(){return i.apply(u.read());}),null==o&&(o=!0),o?this._trainableWeights.push(u):this._nonTrainableWeights.push(u),u;},e.prototype.setFastWeightInitDuringBuild=function(t){this.fastWeightInitDuringBuild=t;},e.prototype.addLoss=function(t){var e;null==t||Array.isArray(t)&&0===t.length||(t=x(t),void 0!==this._losses&&null!==this._losses&&(e=this.losses).push.apply(e,t));},e.prototype.computeOutputShape=function(t){return t;},e.prototype.computeMask=function(t,e){var n=this;if(!this.supportsMasking){if(null!=e){if(!Array.isArray(e))throw new TypeError("Layer "+this.name+" does not support masking, but was passed an inputMask.");e.forEach(function(t){if(null!=t)throw new TypeError("Layer "+n.name+" does not support masking, but was passed an inputMask.");});}return null;}return e;},e.prototype.addInboundNode=function(t,e,n,r,i,o,a){void 0===a&&(a=null);var s=x(t);e=x(e),n=x(n),r=x(r),i=ee(i),o=ee(o);for(var u=[],c=[],l=[],f=0,h=s;f<h.length;f++){var d=h[f];u.push(d.sourceLayer),c.push(d.nodeIndex),l.push(d.tensorIndex);}new he({outboundLayer:this,inboundLayers:u,nodeIndices:c,tensorIndices:l,inputTensors:s,outputTensors:e,inputMasks:n,outputMasks:r,inputShapes:i,outputShapes:o},a);for(var p=0;p<e.length;p++){e[p].sourceLayer=this,e[p].nodeIndex=this.inboundNodes.length-1,e[p].tensorIndex=p;}},e.prototype.getConfig=function(){var t={name:this.name,trainable:this.trainable};return null!=this.batchInputShape&&(t.batchInputShape=this.batchInputShape),null!=this.dtype&&(t.dtype=this.dtype),t;},e.prototype.disposeWeights=function(){return this.weights.forEach(function(t){return t.dispose();}),this.weights.length;},e.prototype.assertNotDisposed=function(){if(0===this._refCount)throw new Error("Layer '"+this.name+"' is already disposed.");},e.prototype.dispose=function(){if(!this.built)throw new Error("Cannot dispose Layer "+this.name+" because it has not been built yet.");if(null===this._refCount)throw new Error("Cannot dispose Layer "+this.name+" because it has not been used yet.");this.assertNotDisposed();var t=0;return 0==--this._refCount&&(t=this.disposeWeights()),{refCountAfterDispose:this._refCount,numDisposedVariables:t};},e;}(r.serialization.Serializable);var me,ge=function(t){function e(e){var n=t.call(this,{dtype:e.dtype,name:null!=e.name?e.name:Zt("input").toString()})||this;if(null==e.batchSize&&(e.batchSize=null),null==e.sparse&&(e.sparse=!1),n.trainable=!1,n.built=!0,n.sparse=e.sparse,null!=e.inputShape&&null!=e.batchInputShape)throw new d("Only provide the inputShape OR batchInputShape argument to inputLayer, not both at the same time.");var r=e.batchInputShape;if(null==r){if(null==e.inputShape)throw new d("An InputLayer should be passed either a `batchInputShape` or an `inputShape`.");r=[e.batchSize].concat(e.inputShape);}else if(null!=e.batchSize)throw new d("Cannot specify batchSize if batchInputShape is specified when creating an InputLayer.");var i=e.dtype||"float32";n.batchInputShape=r,n.dtype=i,n.inputSpec=[{shape:r}];var o=new le(n.dtype,n.batchInputShape,n,[],{},n.name);return o.nodeIndex=0,o.tensorIndex=0,new he({outboundLayer:n,inboundLayers:[],nodeIndices:[],tensorIndices:[],inputTensors:[o],outputTensors:[o],inputMasks:[null],outputMasks:[null],inputShapes:[r],outputShapes:[r]}),n;}return o(e,t),e.prototype.apply=function(t,e){throw new d("Cannot pass any input to an InputLayer's apply() method. 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n&&n.dispose();}}r.serialization.registerClass(ge),function(t){t[t.SILENT=0]="SILENT",t[t.VERBOSE=1]="VERBOSE";}(me||(me={}));var xe=125,we=function(){function t(){this.validationData=null;}return t.prototype.setParams=function(t){this.params=t;},t.prototype.onEpochBegin=function(t,e){return u(this,void 0,void 0,function(){return c(this,function(t){return [2];});});},t.prototype.onEpochEnd=function(t,e){return u(this,void 0,void 0,function(){return c(this,function(t){return [2];});});},t.prototype.onBatchBegin=function(t,e){return u(this,void 0,void 0,function(){return c(this,function(t){return [2];});});},t.prototype.onBatchEnd=function(t,e){return u(this,void 0,void 0,function(){return c(this,function(t){return [2];});});},t.prototype.onTrainBegin=function(t){return u(this,void 0,void 0,function(){return c(this,function(t){return [2];});});},t.prototype.onTrainEnd=function(t){return u(this,void 0,void 0,function(){return c(this,function(t){return 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3:return n++,[3,1];case 4:return [2];}});});},t.prototype.onBatchBegin=function(t,e){return u(this,void 0,void 0,function(){var n,r;return c(this,function(i){switch(i.label){case 0:null==e&&(e={}),n=0,r=this.callbacks,i.label=1;case 1:return n<r.length?[4,r[n].onBatchBegin(t,e)]:[3,4];case 2:i.sent(),i.label=3;case 3:return n++,[3,1];case 4:return [2];}});});},t.prototype.onBatchEnd=function(t,e){return u(this,void 0,void 0,function(){var n,r;return c(this,function(i){switch(i.label){case 0:null==e&&(e={}),n=0,r=this.callbacks,i.label=1;case 1:return n<r.length?[4,r[n].onBatchEnd(t,e)]:[3,4];case 2:i.sent(),i.label=3;case 3:return n++,[3,1];case 4:return [2];}});});},t.prototype.onTrainBegin=function(t){return u(this,void 0,void 0,function(){var e,n;return c(this,function(r){switch(r.label){case 0:null==t&&(t={}),e=0,n=this.callbacks,r.label=1;case 1:return e<n.length?[4,n[e].onTrainBegin(t)]:[3,4];case 2:r.sent(),r.label=3;case 3:return e++,[3,1];case 4:return 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Make sure that your dataset can generate at least `batchesPerEpoch * epochs` batches (in this case, "+n.batchesPerEpoch*n.epochs+" batches). You may need to use the repeat() function when building your dataset."),[3,21]):null==A.value?[3,15]:(O=gn(t,A.value),_=O.xs,S=O.ys,(D={}).batch=C,D.size=_[0].shape[0],[4,v.onBatchBegin(C,D)]);case 9:if(c.sent(),F=[],null==n.classWeight)return [3,13];T=hn(n.classWeight,t.outputNames),z=0,c.label=10;case 10:return z<T.length?(I=(N=F).push,[4,dn(S[z],null,T[z])]):[3,13];case 11:I.apply(N,[c.sent()]),c.label=12;case 12:return ++z,[3,10];case 13:for(R=_.concat(S).concat(F),M=l(R),Object(r.dispose)(R),z=0;z<f.length;++z){j=f[z],B=M[z],D[j]=B,Object(r.keep)(B);}return [4,v.onBatchEnd(C,D)];case 14:c.sent(),be(D),C++,E++,c.label=15;case 15:return (i?E>=n.batchesPerEpoch:A.done)?o?(P=void 0,bn(n.validationData)?(L=x,[4,t.evaluateDataset(n.validationData,{batches:n.validationBatches})]):[3,17]):[3,19]:[3,20];case 16:return P=L.apply(void 0,[c.sent()]),[3,18];case 17:P=x(t.evaluate(a,s,{batchSize:null==n.validationBatchSize?mn:n.validationBatchSize,verbose:0})),c.label=18;case 18:for(z=0;z<t.metricsNames.length;++z){k["val_"+t.metricsNames[z]]=P[z];}c.label=19;case 19:return [3,21];case 20:return t.stopTraining_?[3,21]:[3,7];case 21:return [4,v.onEpochEnd(b,k)];case 22:return c.sent(),b++,t.stopTraining_?[3,23]:[3,4];case 23:return [4,v.onTrainEnd()];case 24:return c.sent(),[4,t.history.syncData()];case 25:return c.sent(),[2,t.history];case 26:return t.isTraining=!1,[7];case 27:return [2];}});});}function bn(t){return "function"==typeof t.iterator;}function xn(t){r.util.assert(t>0&&Number.isInteger(t),function(){return "batchSize is required to be a positive integer, but got "+t;});}function wn(t,e,n){return null==t?[null]:Array.isArray(t)?t.map(function(t){return dt(t,e,n-e);}):dt(t,e,n-e);}function kn(t,e){return Object(r.tidy)(function(){return null==t?null:Array.isArray(t)?t.map(function(t){return kn(t,e);}):wt(t,"int32"===e.dtype?e:e.toInt());});}function En(t,e){for(var n=[],r=0,i=null;r<t;){(i=r+e)>=t&&(i=t),n.push([r,i]),r=i;}return n;}function Cn(t,e,n,i){return void 0===i&&(i={}),u(this,void 0,void 0,function(){var o,a,s,l,f,h,m,g,v,y,b,x,w,k,E,C,A,O,_,S,D,F;return c(this,function(T){switch(T.label){case 0:if(t.isTraining)throw new Error("Cannot start training because another fit() call is ongoing.");t.isTraining=!0,T.label=1;case 1:return T.trys.push([1,,7,8]),xn(g=null==i.batchSize?32:i.batchSize),v=!1,[4,t.standardizeUserData(e,n,i.sampleWeight,i.classWeight,v,g)];case 2:if(y=T.sent(),o=y[0],a=y[1],m=y[2],b=!1,x=void 0,!(null!=i.validationData&&i.validationData.length>0))return [3,4];if(b=!0,2!==i.validationData.length)throw 3===i.validationData.length?new p("validationData including sample weights is not supported yet."):new d("When passing validation data, it must contain 2 (valX, valY) or 3 (valX, valY, valSampleWeight) items; 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Need data for each key in: '+e);s.push(t[l]);}}else if(_n(t)){if((t=t).length!==e.length)throw new d("Error when checking model "+i+": the Array of Tensors that you are passing to your model is not the size the model expected. Expected to see "+e.length+" Tensor(s), but instead got the following list of Tensor(s): "+t);s=t;}else {if(t=t,e.length>1)throw new d("The model "+i+" expects "+e.length+" Tensor(s), but only received one Tensor. Found: Tensor with shape "+t.shape);s=[t];}if(s=An(s),null!=n)for(var f=0;f<e.length;++f){if(null!=n[f]){var h=s[f];if(h.shape.length!==n[f].length)throw new d("Error when checking "+i+": expected "+e[f]+" to have "+n[f].length+" dimension(s). but got array with shape "+h.shape);for(var p=0;p<n[f].length;++p){if(0!==p||r){var m=h.shape[p],g=n[f][p];if(null!=g&&g>=0&&m!==g)throw new d("Error when checking "+i+": expected "+e[f]+" to have shape ["+n[f]+"], but got array with shape ["+h.shape+"].");}}}}return s;}function Fn(t,e,n,r,i){var o;if(void 0===r&&(r=!0),void 0===i&&(i=""),Array.isArray(t)){if(t.length!==e.length)throw new d("Error when checking model "+i+": the Array of Tensors that you are passing to your model is not the size the the model expected. Expected to see "+e.length+" Tensor(s), but instead got "+t.length+" Tensors(s).");o=t;}else {if(e.length>1)throw new d("The model expects "+e.length+" "+i+" Tensors, but only received one Tensor. 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Did you set `model.trainable` without calling `model.compile()` afterwards?");},e.prototype.evaluate=function(t,e,n){void 0===n&&(n={});var r=null==n.batchSize?32:n.batchSize;xn(r);var i=this.standardizeUserDataXY(t,e,!0,r);try{var o=i[0].concat(i[1]);this.makeTestFunction();var a=this.testFunction;return b(this.testLoop(a,o,r,n.verbose,n.steps));}finally{On(i[0],t),On(i[1],e);}},e.prototype.evaluateDataset=function(t,e){return u(this,void 0,void 0,function(){return c(this,function(n){return this.makeTestFunction(),[2,function(t,e,n){return u(this,void 0,void 0,function(){var i,o,a,s,u,l,f,h,d,m;return c(this,function(g){switch(g.label){case 0:if(i=null!=(n=n||{}).batches,o=t.testFunction,a=[],n.verbose>0)throw new p("Verbose mode is not implemented yet.");return r.util.assert(!i||n.batches>0&&Number.isInteger(n.batches),function(){return "Test loop expects `batches` to be a positive integer, but received "+JSON.stringify(n.batches);}),function(t){return "function"==typeof t.next;}(e)?(u=e,[3,3]):[3,1];case 1:return [4,e.iterator()];case 2:u=g.sent(),g.label=3;case 3:s=u,l=0,f=0,h=function h(){var e;return c(this,function(u){switch(u.label){case 0:return [4,s.next()];case 1:return e=u.sent(),a=Object(r.tidy)(function(){if(e.value){var n=gn(t,e.value),i=n.xs,s=n.ys,u=i.concat(s),c=Object(r.tidy)(function(){return o(u);});if(Object(r.dispose)(u),0===f)for(var h=0;h<c.length;++h){a.push(Object(r.scalar)(0));}var d=u[0].shape[0],p=function p(t){var e=c[t],n=a[t];a[t]=Object(r.tidy)(function(){return Object(r.add)(a[t],Object(r.mul)(d,e));}),f>0&&Object(r.dispose)(n);};for(h=0;h<c.length;++h){p(h);}Object(r.dispose)(c),l+=d,++f;}return a;}),e.done?(i&&console.warn("Your dataset iterator ran out of data during evaluateDataset(). Interrupting evalution. Make sure that your dataset can generate at least `batches` batches (in this case, "+n.batches+" batches). You may need to use the repeat() function when building your dataset."),[2,"break"]):[2];}});},g.label=4;case 4:return !i||f<n.batches?[5,h()]:[3,6];case 5:return "break"===g.sent()?[3,6]:[3,4];case 6:for(d=0;d<a.length;++d){m=a[d],a[d]=Object(r.div)(a[d],l),Object(r.dispose)(m);}return [2,b(a)];}});});}(this,t,e)];});});},e.prototype.checkNumSamples=function(t,e,n,r){var i;if(void 0===r&&(r="steps"),null!=n){if(i=null,null!=e)throw new d("If "+r+" is set, batchSize must be null or undefined.Got batchSize = "+e);}else {if(null==t)throw new d("Either the input data should have a defined shape, or "+r+" shoud be specified.");i=Array.isArray(t)?t[0].shape[0]:t.shape[0];}return i;},e.prototype.execute=function(t,e){if(Array.isArray(e)&&0===e.length)throw new d("`outputs` is an empty Array, which is not allowed.");var n=Array.isArray(e),i=n?e:[e],o=this.retrieveSymbolicTensors(i),a=new an();if(t instanceof r.Tensor&&(t=[t]),Array.isArray(t)){if(t.length!==this.inputs.length)throw new d("The number of inputs provided ("+t.length+") does not match the number of inputs of this model ("+this.inputs.length+").");for(var s=0;s<this.inputs.length;++s){a.add(this.inputs[s],t[s]);}}else for(var u=0,c=this.inputs;u<c.length;u++){var l=c[u],f=t[l.name];if(null==f)throw new d("No value is provided for the model's input "+l.name);a.add(l,f);}var h=cn(o,a);return n?h:h[0];},e.prototype.retrieveSymbolicTensors=function(t){for(var e=g(null,t.length),n=t.length,r=0,i=this.layers;r<i.length;r++){for(var o=i[r],a=Array.isArray(o.output)?o.output:[o.output],s=a.map(function(t){return t.name;}),u=0;u<t.length;++u){var c=s.indexOf(t[u]);if(-1!==c&&(e[u]=a[c],n--),0===n)break;}if(0===n)break;}if(n>0){var l=[];throw e.forEach(function(e,n){null==e&&l.push(t[n]);}),new d("Cannot find SymbolicTensors for output name(s): "+JSON.stringify(l));}return e;},e.prototype.predictLoop=function(t,e,n){var i=this;return void 0===e&&(e=32),void 0===n&&(n=!1),Object(r.tidy)(function(){var o=i.checkNumSamples(t);if(n)throw new p("Verbose predictLoop() is not implemented yet.");for(var a=En(o,e),s=i.outputs.map(function(t){return [];}),u=function u(e){Object(r.tidy)(function(){var n=a[e][0],r=a[e][1],o=wn(t,n,r),s=[];if(Array.isArray(o))for(var u=0;u<o.length;++u){s.push({key:i.inputs[u],value:o[u]});}else s.push({key:i.inputs[0],value:o});var c=new an(s);return cn(i.outputs,c);}).forEach(function(t,e){return s[e].push(t);});},c=0;c<a.length;++c){u(c);}return b(s.map(function(t){return Object(r.concat)(t,0);}));});},e.prototype.predict=function(t,e){void 0===e&&(e={});var n=An(t);Fn(n,this.inputNames,this.feedInputShapes,!1);try{var r=null==e.batchSize?32:e.batchSize;return xn(r),this.predictLoop(n,r);}finally{On(n,t);}},e.prototype.predictOnBatch=function(t){Fn(t,this.inputNames,this.feedInputShapes,!0);var e=(Array.isArray(t)?t[0]:t).shape[0];return this.predictLoop(t,e);},e.prototype.standardizeUserDataXY=function(t,e,n,i){if(null==this.optimizer_)throw new h("You must compile a model before training/testing. Use LayersModel.compile(modelCompileArgs).");for(var o=[],a=0;a<this.feedOutputShapes.length;++a){var s=this.feedOutputShapes[a];this.feedLossFns[a]===Me?o.push(s.slice(0,s.length-1).concat([1])):o.push(s);}if(function(t,e,n){var i=_(t.map(function(t){return t.shape[0];}));i.sort();var o=_(e.map(function(t){return t.shape[0];}));if(o.sort(),i.length>1)throw new d("All input Tensors (x) should have the same number of samples. Got array shapes: "+JSON.stringify(t.map(function(t){return t.shape;})));if(o.length>1)throw new d("All target Tensors (y) should have the same number of samples. Got array shapes: "+JSON.stringify(e.map(function(t){return t.shape;})));if(i.length>0&&o.length>0&&!r.util.arraysEqual(i,o))throw new d("Input Tensors should have the same number of samples as target Tensors. Found "+i[0]+" input sample(s) and "+o[0]+" target sample(s).");}(t=Dn(t,this.feedInputNames,this.feedInputShapes,!1,"input"),e=Dn(e,this.feedOutputNames,o,!1,"target")),function(t,e,n){for(var r=[Te,je,Re],i=0;i<t.length;++i){var o=t[i],a=e[i],s=n[i];if(null!=a){if(a===Re&&1===o.shape[o.shape.length-1])throw new d("You are passing a target array of shape "+o.shape+" while using a loss 'categorical_crossentropy'. 'categorical_crossentropy'expects targets to be binary matrices (1s and 0s) of shape [samples, classes].");if(-1!==r.indexOf(a))for(var u=o.shape.slice(1),c=s.slice(1),l=0;l<u.length;++l){var f=u[l],h=c[l];if(null!=h&&f!==h)throw new d("A target Tensor with shape "+o.shape+" was passed for an output of shape "+s+", while using a loss function that expects targets to have the same shape as the output.");}}}}(e,this.feedLossFns,this.feedOutputShapes),this.stateful&&null!=i&&i>0&&t[0].shape[0]%i!=0)throw new d("In a stateful network, you should only pass inputs with a number of samples that is divisible by the batch size "+i+". Found: "+t[0].shape[0]+" sample(s).");return [t,e];},e.prototype.standardizeUserData=function(t,e,n,r,i,o){return void 0===i&&(i=!0),u(this,void 0,void 0,function(){var a,s,u,l,f,h,d,p;return c(this,function(c){switch(c.label){case 0:if(a=this.standardizeUserDataXY(t,e,i,o),s=a[0],u=a[1],null!=n)throw new Error("sample weight is not supported yet.");if(l=null,null==r)return [3,4];f=hn(r,this.outputNames),l=[],h=0,c.label=1;case 1:return h<f.length?(p=(d=l).push,[4,dn(u[h],null,f[h])]):[3,4];case 2:p.apply(d,[c.sent()]),c.label=3;case 3:return ++h,[3,1];case 4:return [2,[s,u,l]];}});});},e.prototype.testLoop=function(t,e,n,i,o){var a=this;return void 0===i&&(i=0),Object(r.tidy)(function(){var s=a.checkNumSamples(e,n,o,"steps"),u=[];if(i>0)throw new p("Verbose mode is not implemented yet.");if(null!=o)throw new p("steps mode in testLoop() is not implemented yet");for(var c=En(s,n),l=Object(r.tensor1d)(lt(0,s)),f=0;f<c.length;++f){var h=c[f][0],d=c[f][1],m=dt(l,h,d-h),g=kn(e,m),v=t(g);if(0===f)for(var y=0;y<v.length;++y){u.push(Object(r.scalar)(0));}for(y=0;y<v.length;++y){var b=v[y];u[y]=Object(r.add)(u[y],Object(r.mul)(d-h,b));}}for(y=0;y<u.length;++y){u[y]=Object(r.div)(u[y],s);}return u;});},e.prototype.getDedupedMetricsNames=function(){for(var t=this.metricsNames,e=[],n=0;n<t.length;++n){var r=t[n],i=r;y(t,r)>1&&(i+="_"+y(t.slice(0,n),r)),e.push(i);}return e;},e.prototype.makeTrainFunction=function(){var t=this;return function(e){var n=[],i=e.slice(0,t.inputs.length),o=e.slice(t.inputs.length,t.inputs.length+t.outputs.length),a=e.slice(t.inputs.length+t.outputs.length,t.inputs.length+2*t.outputs.length),s=[],u=t.collectedTrainableWeights.map(function(t){return t.read();});return [t.optimizer_.minimize(function(){for(var e=[],u=0;u<t.inputs.length;++u){e.push({key:t.inputs[u],value:i[u]});}var c,l=new an(e),f=cn(t.outputs,l,{training:!0});for(u=0;u<t.lossFunctions.length;++u){var h=(0, t.lossFunctions[u])(o[u],f[u]);null!=a[u]&&(h=pn(h,a[u]));var d=Object(r.mean)(h);n.push(d),c=0===u?h:Object(r.add)(c,h);}for(u=0;u<t.metricsTensors.length;++u){var p=void 0;if(t.outputs.length>1&&u<t.outputs.length)p=n[u];else {var m=t.metricsTensors[u][0],g=t.metricsTensors[u][1];p=Object(r.mean)(m(o[g],f[g]));}Object(r.keep)(p),s.push(p);}return c=Object(r.mean)(c),t.calculateLosses().forEach(function(t){c=Object(r.add)(c,t);}),c;},!0,u)].concat(s);};},e.prototype.makeTestFunction=function(){var t=this;this.testFunction=function(e){return Object(r.tidy)(function(){for(var n,i=[],o=e.slice(0,t.inputs.length),a=e.slice(t.inputs.length,t.inputs.length+t.outputs.length),s=[],u=0;u<t.inputs.length;++u){s.push({key:t.inputs[u],value:o[u]});}var c=new an(s),l=cn(t.outputs,c);for(u=0;u<t.lossFunctions.length;++u){var f=t.lossFunctions[u],h=Object(r.mean)(f(a[u],l[u]));n=0===u?h:Object(r.add)(n,h),i.push(n);}for(u=0;u<t.metricsTensors.length;++u){var d=t.metricsTensors[u][0],p=t.metricsTensors[u][1],m=Object(r.mean)(d(a[p],l[p]));i.push(m);}return i;});};},e.prototype.fit=function(t,e,n){return void 0===n&&(n={}),u(this,void 0,void 0,function(){return c(this,function(r){return [2,Cn(this,t,e,n)];});});},e.prototype.fitDataset=function(t,e){return u(this,void 0,void 0,function(){return c(this,function(n){return [2,yn(this,t,e)];});});},e.prototype.trainOnBatch=function(t,e){return u(this,void 0,void 0,function(){var n,i,o,a,s,u,l,f,h;return c(this,function(c){switch(c.label){case 0:return [4,this.standardizeUserData(t,e)];case 1:n=c.sent(),i=n[0],o=n[1],a=this.makeTrainFunction(),s=a(i.concat(o)),u=[],l=0,f=s,c.label=2;case 2:return l<f.length?[4,f[l].data()]:[3,5];case 3:h=c.sent(),u.push(h[0]),c.label=4;case 4:return l++,[3,2];case 5:return Object(r.dispose)(s),[2,b(u)];}});});},e.prototype.getNamedWeights=function(t){for(var e=[],n=null!=t&&t.trainableOnly,r=n?this.trainableWeights:this.weights,i=this.getWeights(n),o=0;o<r.length;++o){n&&!r[o].trainable||e.push({name:r[o].originalName,tensor:i[o]});}return e;},Object.defineProperty(e.prototype,"stopTraining",{get:function get(){return this.stopTraining_;},set:function set(t){this.stopTraining_=t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"optimizer",{get:function get(){return this.optimizer_;},set:function set(t){this.optimizer_!==t&&(this.optimizer_=t,this.isOptimizerOwned=!1);},enumerable:!0,configurable:!0}),e.prototype.dispose=function(){var e=t.prototype.dispose.call(this);if(0===e.refCountAfterDispose&&null!=this.optimizer&&this.isOptimizerOwned){var n=Object(r.memory)().numTensors;this.optimizer_.dispose(),e.numDisposedVariables+=n-Object(r.memory)().numTensors;}return e;},e.prototype.getLossIdentifiers=function(){var t;if("string"==typeof this.loss)t=w(this.loss);else if(Array.isArray(this.loss)){for(var e=0,n=this.loss;e<n.length;e++){if("string"!=typeof n[e])throw new Error("Serialization of non-string loss is not supported.");}t=this.loss.map(function(t){return w(t);});}else {var r=Object.keys(this.loss);t={};for(var i=this.loss,o=0,a=r;o<a.length;o++){var s=a[o];if("string"!=typeof i[s])throw new Error("Serialization of non-string loss is not supported.");t[s]=w(i[s]);}}return t;},e.prototype.getMetricIdentifiers=function(){if("string"==typeof this.metrics||"function"==typeof this.metrics)return [w(Ye(this.metrics))];if(Array.isArray(this.metrics))return this.metrics.map(function(t){return w(Ye(t));});var t={};for(var e in this.metrics){t[e]=w(Ye(this.metrics[e]));}return t;},e.prototype.getTrainingConfig=function(){return {loss:this.getLossIdentifiers(),metrics:this.getMetricIdentifiers(),optimizer_config:{class_name:this.optimizer.getClassName(),config:this.optimizer.getConfig()}};},e.prototype.loadTrainingConfig=function(t){if(null!=t.weighted_metrics)throw new Error("Loading weight_metrics is not supported yet.");if(null!=t.loss_weights)throw new Error("Loading loss_weights is not supported yet.");if(null!=t.sample_weight_mode)throw new Error("Loading sample_weight_mode is not supported yet.");var e,n,r=De(on(t.optimizer_config));if("string"==typeof t.loss)e=k(t.loss);else if(Array.isArray(t.loss))e=t.loss.map(function(t){return k(t);});else if(null!=t.loss)for(var i in e={},t.loss){e[i]=k(t.loss[i]);}if(Array.isArray(t.metrics))n=t.metrics.map(function(t){return k(t);});else if(null!=t.metrics)for(var i in n={},t.metrics){n[i]=k(t.metrics[i]);}this.compile({loss:e,metrics:n,optimizer:r});},e.prototype.save=function(t,e){return u(this,void 0,void 0,function(){var n,i,o,a,s,u,l,f,h,p,m,g,v,y;return c(this,function(c){switch(c.label){case 0:if("string"==typeof t){if(0===(n=r.io.getSaveHandlers(t)).length)throw new d("Cannot find any save handlers for URL '"+t+"'");if(n.length>1)throw new d("Found more than one ("+n.length+") save handlers for URL 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null!=this.userDefinedMetadata&&(v=!0,Qe(this.userDefinedMetadata,this.name,v),u.userDefinedMetadata=this.userDefinedMetadata),u.weightData=i.data,u.weightSpecs=i.specs,[2,t.save(u)];}});});},e.prototype.setUserDefinedMetadata=function(t){Qe(t,this.name),this.userDefinedMetadata=t;},e.prototype.getUserDefinedMetadata=function(){return this.userDefinedMetadata;},e.className="Model",e;}(function(t){function e(n){var r=t.call(this,{})||this;if(r.containerNodes=new Set(),r.name=n.name,null==r.name){var i=r.getClassName().toLowerCase();r.name=Zt(i);}if(r.supportsMasking=!1,r.trainable_=!0,Array.isArray(n.inputs)?r.inputs=n.inputs.slice():r.inputs=[n.inputs],Array.isArray(n.outputs)?r.outputs=n.outputs.slice():r.outputs=[n.outputs],_(r.inputs).length!==r.inputs.length)throw new d("The list of inputs passed to the model is redundant. All inputs should only appear once. Found: "+r.inputs.map(function(t){return t.name;}));_(r.outputs).length!==r.outputs.length&&console.warn("The list of outputs passed to the model is redundant. All outputs should only appear once. Found: "+r.outputs.map(function(t){return t.name;})),r.inputLayers=[],r.inputLayersNodeIndices=[],r.inputLayersTensorIndices=[],r.outputLayers=[],r.outputLayersNodeIndices=[],r.outputLayersTensorIndices=[],r.layers=[],r.internalContainerRefs=[];for(var o=0,a=r.outputs;o<a.length;o++){var s=(T=a[o]).sourceLayer,u=T.nodeIndex,c=T.tensorIndex;r.outputLayers.push(s),r.outputLayersNodeIndices.push(u),r.outputLayersTensorIndices.push(c);}for(var l=0,f=r.inputs;l<f.length;l++){s=(T=f[l]).sourceLayer,u=T.nodeIndex,c=T.tensorIndex,v(0===u,"input layer has >1 nodes"),v(0===c,"input layer has >1 tensors"),r.inputLayers.push(s),r.inputLayersNodeIndices.push(u),r.inputLayersTensorIndices.push(c);}r.inputNames=[],r.outputNames=[],r.feedInputShapes=[],r.feedInputNames=[],r.feedOutputNames=[];for(var p=0;p<r.inputLayers.length;p++){if(!((s=r.inputLayers[p])instanceof ge))throw new TypeError("Input layers to a LayersModel must be InputLayer objects. Received inputs: "+n.inputs+". Input "+p+" (0-based) originates from layer type "+s.getClassName()+".");r.inputNames.push(s.name),r.feedInputShapes.push(s.batchInputShape),r.feedInputNames.push(s.name);}for(var m=0,g=r.outputLayers;m<g.length;m++){s=g[m],r.outputNames.push(s.name);}r.internalInputShapes=r.inputs.map(function(t){return t.shape;}),r.internalOutputShapes=r.outputs.map(function(t){return t.shape;});for(var y={},b={},x={},w={},k={},E=[],C=function C(t,n,i,o,a,s){null!=o&&null!=a&&null!=s||(o=t.sourceLayer,a=t.nodeIndex,s=t.tensorIndex);var u=o.inboundNodes[a];if(-1!==i.indexOf(u))throw new h("The tensor "+t.name+' at layer "'+o.name+'" is part of a cycle.');if(-1===n.indexOf(u)){r.containerNodes.add(e.nodeKey(o,a)),(o.id in k)||(k[o.id]=Object.keys(k).length),-1===i.indexOf(u)&&i.push(u);for(var c=u.inboundLayers.length,l=0;l<c;l++){var f=u.inputTensors[l],d=u.inboundLayers[l],p=u.nodeIndices[l],m=u.tensorIndices[l];C(f,n,i,d,p,m);}for(n.push(u);i.indexOf(u)>=0;){i.splice(i.indexOf(u),1);}E.push(u);}},A=[],S=[],D=0,F=r.outputs;D<F.length;D++){var T=F[D];C(T,A,S);}for(var N=0,I=E.slice().reverse();N<I.length;N++){b[(et=I[N]).id]=et,et.id in y||(y[et.id]=0);var R=y[et.id],M=null==x[et.outboundLayer.id]?0:x[et.outboundLayer.id];for(R=Math.max(R,M),x[et.outboundLayer.id]=R,w[et.outboundLayer.id]=et.outboundLayer,y[et.id]=R,p=0;p<et.inboundLayers.length;p++){var j=et.inboundLayers[p],B=(u=et.nodeIndices[p],j.inboundNodes[u]),P=null==y[B.id]?0:y[B.id];y[B.id]=Math.max(R+1,P),b[B.id]=B;}}var L={};for(var z in y){(R=y[z])in L||(L[R]=[]),L[R].push(b[z]);}var U={};for(var W in x){(R=x[W])in U||(U[R]=[]),U[R].push(w[W]);}var V=Object.keys(U).map(function(t){return parseInt(t,10);}).sort(O);r.layers=[];for(var q=0,$=V;q<$.length;q++){var H=U[R=$[q]];H.sort(function(t,e){var n=k[t.id],r=k[e.id];return n<r?-1:n>r?1:0;});for(var G=0,K=H;G<K.length;G++){(s=K[G])instanceof e&&r.internalContainerRefs.push(s),r.layers.push(s);}}r.layersByDepth=U,V=Object.keys(L).map(function(t){return parseInt(t,10);}).sort(O);for(var X=r.inputs.slice(),Y=[],J=0,Q=V;J<Q.length;J++){for(var Z=0,tt=L[R=Q[J]];Z<tt.length;Z++){var et;if(null!=(s=(et=tt[Z]).outboundLayer)){for(var nt=0,rt=et.inputTensors;nt<rt.length;nt++){if(T=rt[nt],-1===X.indexOf(T))throw new h("Graph disconnected: cannot obtain value for tensor "+T+' at layer "'+s.name+'". The following previous layers were accessed without issue: '+Y);}for(var it=0,ot=et.outputTensors;it<ot.length;it++){T=ot[it],X.push(T);}Y.push(s.name);}}}r.nodesByDepth=L;for(var at=r.layers.map(function(t){return t.name;}),st=function st(t){var e=at.filter(function(e){return e===t;}).length;if(1!==e)throw new h('The name "'+t+'" is used '+e+" times in the model. All layer names should be unique. Layer names: "+JSON.stringify(at));},ut=0,ct=at;ut<ct.length;ut++){st(ct[ut]);}return r.outboundNodes=[],r.inboundNodes=[],new he({outboundLayer:r,inboundLayers:[],nodeIndices:[],tensorIndices:[],inputTensors:r.inputs,outputTensors:r.outputs,inputMasks:r.inputs.map(function(t){return null;}),outputMasks:r.outputs.map(function(t){return null;}),inputShapes:r.inputs.map(function(t){return t.shape;}),outputShapes:r.outputs.map(function(t){return t.shape;})}),r.built=!0,r._refCount=1,r;}return o(e,t),e.prototype.assertNotDisposed=function(){if(0===this._refCount)throw new Error("Container '"+this.name+"' is already disposed.");},e.prototype.dispose=function(){this.assertNotDisposed();var t={refCountAfterDispose:null,numDisposedVariables:0};if(0==--this._refCount){for(var e=0,n=this.layers;e<n.length;e++){var r=n[e];t.numDisposedVariables+=r.dispose().numDisposedVariables;}for(var i=0,o=this.internalContainerRefs;i<o.length;i++){var a=o[i];t.numDisposedVariables+=a.dispose().numDisposedVariables;}}return t.refCountAfterDispose=this._refCount,t;},Object.defineProperty(e.prototype,"trainable",{get:function get(){return this.trainable_;},set:function set(t){this.layers.forEach(function(e){e._trainableWeights.forEach(function(e){return e.trainable=t;});}),this.trainable_=t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"trainableWeights",{get:function get(){if(this._trainableWeights.length>0)throw new d("Container instance unexpectedly contains _trainableWeights.The trainable weights of a Container are a union of the trainable weights of its consituent Layers. Its own _trainableWeights must remain an empty Array.");if(!this.trainable)return [];for(var t=[],e=0,n=this.layers;e<n.length;e++){var r=n[e];t=t.concat(r.trainableWeights);}return t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"nonTrainableWeights",{get:function get(){for(var t=[],e=0,n=this.layers;e<n.length;e++){var r=n[e];t.push.apply(t,r.nonTrainableWeights);}if(!this.trainable){for(var i=[],o=0,a=this.layers;o<a.length;o++){r=a[o],i.push.apply(i,r.trainableWeights);}return i.concat(t);}return t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"weights",{get:function get(){return this.trainableWeights.concat(this.nonTrainableWeights);},enumerable:!0,configurable:!0}),e.prototype.loadWeights=function(t,e){void 0===e&&(e=!0);for(var n={},r=0,i=0,o=this.layers;i<o.length;i++){for(var a=0,s=o[i].weights;a<s.length;a++){var u=s[a];if(null!=n[u.originalName])throw new d("Duplicate weight name: "+u.originalName);n[u.originalName]=u,r++;}}var c=[];for(var l in t){if(null!=n[l])c.push([n[l],t[l]]);else if(e)throw new d("Provided weight data has no target variable: "+l);delete n[l];}if(e){var f=[];for(var h in n){f.push(h);}if(f.length>0)throw new d(f.length+" of "+r+" weights are not set: "+f);}ue(c);},e.prototype.updatedConfig=function(){var t=this.getConfig(),e={};return e.className=this.getClassName(),e.config=t,e.kerasVersion="tfjs-layers 1.7.4",e.backend="TensorFlow.js",e;},e.prototype.toJSON=function(t,e){void 0===e&&(e=!0);var n=function t(e,n){if(null===e||void 0===e)return null;if("string"==typeof e)return w(e);if("number"==typeof e||"boolean"==typeof e)return e;if(e instanceof Array){for(var r=[],i=e.length,o=0;o<i;++o){var a=e[o];rn(n,o,a)?r.push(a):r.push(t(a,n));}return r;}for(var s={},u=0,c=Object.keys(e);u<c.length;u++){var l=c[u],f=e[l];s[w(l)]="name"!==l&&"className"!==l||"string"!=typeof f?t(f,l):f;}return s;}(this.updatedConfig());return e?JSON.stringify(n):n;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){t=x(t);for(var r=new an(),i=0;i<n.inputs.length;++i){r.add(n.inputs[i],t[i]);}return cn(n.outputs,r,e);});},e.prototype.computeMask=function(t,e){var n=this;return Object(r.tidy)(function(){var r;return t=x(t),r=null==e?g(null,t.length):x(e),n.runInternalGraph(t,r)[1];});},e.prototype.computeOutputShape=function(t){var e=ee(t);if(e.length!==this.inputLayers.length)throw new d("Invalid inputShape argument "+t+": model has "+this.inputLayers.length+" tensor inputs.");for(var n={},r=0;r<e.length;r++){var i=this.inputLayers[r],o=e[r];n[_=i.name+"_0_0"]=o;}var a=Object.keys(this.nodesByDepth).map(function(t){return parseInt(t,10);}).sort(O);if(a.length>1)for(var s=0,u=a;s<u.length;s++){for(var c=u[s],l=0,f=this.nodesByDepth[c];l<f.length;l++){var h=f[l];if(i=h.outboundLayer,-1===this.inputLayers.map(function(t){return t.id;}).indexOf(i.id)){for(var p=[],m=0;m<h.inboundLayers.length;m++){var g=h.inboundLayers[m],y=h.nodeIndices[m],x=h.tensorIndices[m],w=n[_=g.name+"_"+y+"_"+x];p.push(w);}var k=ee(i.computeOutputShape(b(p))),E=i.inboundNodes.indexOf(h);for(m=0;m<k.length;m++){n[_=i.name+"_"+E+"_"+m]=k[m];}}}}var C=[],A=[];for(r=0;r<this.outputLayers.length;r++){i=this.outputLayers[r],E=this.outputLayersNodeIndices[r],x=this.outputLayersTensorIndices[r];var _=i.name+"_"+E+"_"+x;A.push(_);}for(r=0;r<A.length;r++){var S=A[r];v(S in n),C.push(n[S]);}return b(C);},e.prototype.runInternalGraph=function(t,e){null==e&&(e=g(null,t.length));for(var n={},r=0;r<this.inputs.length;++r){var i=this.inputs[r],o=t[r],a=e[r];n[i.id]=[o,a];}for(var s=0,u=Object.keys(this.nodesByDepth).map(function(t){return parseInt(t,10);}).sort(O);s<u.length;s++){for(var c=u[s],l=0,f=this.nodesByDepth[c];l<f.length;l++){for(var h=f[l],d=h.outboundLayer,m=h.inputTensors,y=h.outputTensors,b=new Array(),w=0,k=m;w<k.length;w++){(i=k[w]).id in n&&b.push(n[i.id]);}if(b.length===m.length){var E={},C=void 0,A=void 0,_=void 0,S=void 0;if(null!=h.callArgs&&(E=h.callArgs),1===b.length){var D=b[0],F=D[0],T=D[1];null==E.mask&&(E.mask=T),_=x(d.call(F,E)),S=x(d.computeMask(F,T)),C=[F],A=[T];}else C=b.map(function(t){return t[0];}),A=b.map(function(t){return t[1];}),null==E.mask&&(E.mask=A),_=x(d.call(C,E)),S=x(d.computeMask(C,A));if(d.activityRegularizer)throw new p("LayersModel invocation with concrete Tensor value(s) in the presence of activity regularizer(s) is not supported yet.");for(r=0;r<y.length;++r){i=y[r],o=_[r],a=S[r],n[i.id]=[o,a];}}}}for(var N=[],I=[],R=[],M=0,j=this.outputs;M<j.length;M++){v((i=j[M]).id in n,"Could not compute output "+i.name+" : "+i.id);var B=n[i.id],P=B[0];a=B[1],R.push(P.shape),N.push(P),I.push(a);}return [N,I,R];},e.prototype.buildNodeConversionMap=function(t){for(var n,r={},i=0,o=this.layers;i<o.length;i++){var a=o[i];n=a instanceof e?1:0;for(var s=0;s<a.inboundNodes.length;s++){var u=e.nodeKey(a,s);this.containerNodes.has(u)&&(r[u]=n,n+=1);}}return r;},e.prototype.getLayer=function(t,e){if(null!=e){if(this.layers.length<=e)throw new d("Was asked to retrieve layer at index "+e+", but model only has "+this.layers.length+" layer(s).");return this.layers[e];}if(null==t)throw new d("Provide either a layer name or layer index");for(var n=0,r=this.layers;n<r.length;n++){var i=r[n];if(i.name===t)return i;}throw new d("No such layer: "+t);},e.prototype.calculateLosses=function(){var t=this;return Object(r.tidy)(function(){for(var n=[],r=0,i=t.layers;r<i.length;r++){for(var o=i[r],a=0;a<o.inboundNodes.length;++a){var s=e.nodeKey(o,a);t.containerNodes.has(s)&&n.push.apply(n,o.calculateLosses());}}return n;});},e.prototype.getConfig=function(){for(var t={name:this.name},n=this.buildNodeConversionMap(this.layers),r=[],i=0,o=this.layers;i<o.length;i++){for(var a=(x=o[i]).getClassName(),s=x.getConfig(),u=[],c=0;c<x.inboundNodes.length;c++){var l=x.inboundNodes[c],f=e.nodeKey(x,c),h={};if(this.containerNodes.has(f)){if(l.callArgs)try{JSON.stringify(l.callArgs),h=l.callArgs;}catch(t){console.warn("Layer "+x.name+" was passed non-serializable keyword arguments: "+l.callArgs+". They will not be included in the serialized model (and thus will be missing at deserialization time)."),h={};}if(l.inboundLayers.length>0){for(var d=[],p=0;p<l.inboundLayers.length;p++){var m=l.inboundLayers[p],g=l.nodeIndices[p],v=l.tensorIndices[p];null==(k=n[e.nodeKey(m,g)])&&(k=0),d.push([m.name,k,v,h]);}u.push(d);}}}var y={};y.name=x.name,y.className=a,y.config=s,y.inboundNodes=u,r.push(y);}t.layers=r;var b=[];for(p=0;p<this.inputLayers.length;p++){var x=this.inputLayers[p];g=this.inputLayersNodeIndices[p],f=e.nodeKey(x,g),this.containerNodes.has(f)&&(null!==(k=n[f])&&void 0!==k||(k=0),v=this.inputLayersTensorIndices[p],b.push([x.name,k,v]));}t.inputLayers=b;var w=[];for(p=0;p<this.outputLayers.length;p++){var k;if(x=this.outputLayers[p],g=this.outputLayersNodeIndices[p],f=e.nodeKey(x,g),this.containerNodes.has(f))null!==(k=n[f])&&void 0!==k||(k=0),v=this.outputLayersTensorIndices[p],w.push([x.name,k,v]);}return t.outputLayers=w,t;},e.fromConfig=function(t,e,n,r){void 0===r&&(r=!1);var i={},o={};function a(t,e){t.name in o?o[t.name].push(e):o[t.name]=[e];}function s(t,e){for(var n,r=[],o=0,s=e;o<s.length;o++){var u=s[o],c=u[0],l=u[1],f=u[2];if(n=null==u[3]?{}:u[3],!(c in i))return void a(t,e);var h=i[c];if(h.inboundNodes.length<=l)return void a(t,e);var d=h.inboundNodes[l];r.push(d.outputTensors[f]);}r.length>0&&t.apply(b(r),n);}function u(t){var n=t.name,o=De(t,null!=e.customObjects?e.customObjects:{});o.setFastWeightInitDuringBuild(r),i[n]=o,t.inboundNodes.forEach(function(t){if(!(t instanceof Array))throw new d("Corrupted configuration, expected array for nodeData: "+t);a(o,t);});}for(var c=e.name,l=e.layers,f=0,h=l;f<h.length;f++){u(g=h[f]);}for(;!S(o);){for(var p=0,m=l;p<m.length;p++){var g=m[p];if((I=i[g.name]).name in o){var y=o[I.name];delete o[I.name];for(var x=0,w=y;x<w.length;x++){s(I,w[x]);}}}}for(var k=[],E=[],C=0,A=e.inputLayers;C<A.length;C++){var O=(g=A[C])[0],_=g[1],D=g[2];v(O in i);var F=(I=i[O]).inboundNodes[_].outputTensors;k.push(F[D]);}for(var T=0,N=e.outputLayers;T<N.length;T++){var I;O=(g=N[T])[0],_=g[1],D=g[2],v(O in i),F=(I=i[O]).inboundNodes[_].outputTensors,E.push(F[D]);}return new t({inputs:k,outputs:E,name:c});},Object.defineProperty(e.prototype,"stateful",{get:function get(){if(this._stateful)throw new d("Container instance unexpectedly has _stateful = true. The statefulness of a Container is determined by the Layers it contains. Its _stateful property must remain the default false.");for(var t=0,e=this.layers;t<e.length;t++){if(e[t].stateful)return !0;}return !1;},enumerable:!0,configurable:!0}),e.prototype.resetStates=function(){var t=this;Object(r.tidy)(function(){t.layers.forEach(function(t){t.stateful&&t.resetStates();});});},e;}(pe));function Nn(t,e){return u(this,void 0,void 0,function(){var n;return c(this,function(i){if(null==e&&(e={}),"string"==typeof t){if(0===(n=r.io.getLoadHandlers(t,e.onProgress)).length)n.push(r.io.browserHTTPRequest(t,e));else if(n.length>1)throw new d("Found more than one ("+n.length+") load handlers for URL '"+t+"'");t=n[0];}return [2,function(t,e,n){return u(this,void 0,void 0,function(){var i,o,a,s,u,l,f,h,p;return c(this,function(c){switch(c.label){case 0:if(null==n&&(n={}),null==t.load)throw new d("Cannot proceed with model loading because the IOHandler provided does not have the `load` method implemented.");return [4,t.load()];case 1:if(i=c.sent(),null!=(o=i.modelTopology).model_config&&(o=o.model_config),a=null==n.strict||n.strict,s=null!=i.weightData&&null!=i.weightSpecs&&a,u=De(on(o),e,s),null!=(l=i.trainingConfig)&&u.loadTrainingConfig(l),null!=i.userDefinedMetadata&&u.setUserDefinedMetadata(i.userDefinedMetadata),null==i.weightData)return [3,4];if(null==i.weightSpecs)throw new d("LayersModel artifacts contains weight data, but not weight specs. Therefore loading of weights cannot proceed.");return f=function(t,e){var n=r.io.decodeWeights(t,e),i={},o=[];return e.forEach(function(t){"optimizer"===t.group?o.push({name:t.name,tensor:n[t.name]}):i[t.name]=n[t.name];}),{modelWeights:i,optimizerWeights:o};}(i.weightData,i.weightSpecs),h=f.modelWeights,p=f.optimizerWeights,u.loadWeights(h,a),null!=u.optimizer&&p.length>0?[4,u.optimizer.setWeights(p)]:[3,3];case 2:c.sent(),c.label=3;case 3:Object(r.dispose)(h),Object(r.dispose)(p.map(function(t){return t.tensor;})),c.label=4;case 4:return [2,u];}});});}(t,void 0,e)];});});}r.serialization.registerClass(Tn);var In=function(t){function e(e){var n=t.call(this,{inputs:[],outputs:[]})||this;if(e=e||{},n.trainable=!0,n.built=!1,n.name=null!=e.name?e.name:Zt("sequential_"),null!=e.layers)for(var r=0,i=e.layers;r<i.length;r++){var o=i[r];n.add(o);}return n;}return o(e,t),e.prototype.checkShape=function(t){if(t.inboundNodes[0].outputTensors[0].shape.some(function(t){return t<0;}))throw new d("Negative dimension size caused by adding layer "+t.name+" with input shape ["+t.inboundNodes[0].inputTensors[0].shape+"]");},e.prototype.add=function(t){var n,r=t instanceof e||t instanceof Tn;if(r){if(1!==(n=t).outputs.length)throw new d("All layers in a Sequential model should have a single output tensor. For multi-output layers, use the functional API.");if(1!==n.inputs.length)throw new d("All layers in a Sequential model should have a single input tensor. For multi-input layers, use the functional API.");}if(0===this.outputs.length){if(0===t.inboundNodes.length){if(null==t.batchInputShape)throw new d("The first layer in a Sequential model must get an `inputShape` or `batchInputShape` argument.");var i=ve({batchShape:t.batchInputShape,dtype:t.dtype,name:t.name+"_input"});t.apply(i);}if(r)this.outputs=n.outputs,this.inputs=n.inputs;else {if(1!==t.inboundNodes.length)throw new d("A layer added to a Sequential model must not already be connected somewhere else. LayersModel received layer "+t.name+" which has "+t.inboundNodes.length+" pre-existing inbound connections.");if(1!==t.inboundNodes[0].outputTensors.length)throw new d("All layers in a Sequential model should have a single output tensor. For multi-output layers, use the functional API.");this.checkShape(t),this.outputs=[t.inboundNodes[0].outputTensors[0]],this.inputs=function t(e,n,r){if((null==n||null!=r&&r>0)&&(n=e.sourceLayer,r=e.nodeIndex),0===n.inboundNodes.length)return [e];var i=n.inboundNodes[r];if(0===i.inboundLayers.length)return i.inputTensors;for(var o=[],a=0;a<i.inboundLayers.length;a++){for(var s=0,u=t(i.inputTensors[a],i.inboundLayers[a],i.nodeIndices[a]);s<u.length;s++){var c=u[s];-1===o.indexOf(c)&&o.push(c);}}return o;}(this.outputs[0]);}this.inboundNodes=[],new he({outboundLayer:this,inboundLayers:[],nodeIndices:[],tensorIndices:[],inputTensors:this.inputs,outputTensors:this.outputs,inputMasks:g(null,this.inputs.length),outputMasks:[null],inputShapes:this.inputs.map(function(t){return t.shape;}),outputShapes:this.outputs[0].shape});}else {var o=t.apply(this.outputs[0]);if(Array.isArray(o))throw new TypeError("All layers in a Sequential model should have a single output tensor. For multi-output layers, use the functional API.");this.checkShape(t),this.outputs=[o],this.inboundNodes[0].outputTensors=this.outputs,this.inboundNodes[0].outputShapes=[this.outputs[0].shape];}this.layers.push(t),this.built=!1;},e.prototype.pop=function(){if(0===this.layers.length)throw new TypeError("There are no layers in the model.");if(this.layers.pop(),0===this.layers.length)this.outputs=[],this.inboundNodes=[],this.outboundNodes=[];else {var t=this.layers.length-1;this.layers[t].outboundNodes=[],this.outputs=[this.layers[t].output],this.inboundNodes[0].outputTensors=this.outputs,this.inboundNodes[0].outputShapes=[this.outputs[0].shape];}},e.prototype.call=function(t,e){return null==this.model&&this.build(),this.model.call(t,e);},e.prototype.build=function(t){if(re(t),0===this.inputs.length||0===this.outputs.length)throw new TypeError("Sequential model cannot be built: model is empty. 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qn=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t){return t;},e.className="linear",e;}(Ln);r.serialization.registerClass(qn);var $n=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t){return Object(r.sigmoid)(t);},e.className="sigmoid",e;}(Ln);r.serialization.registerClass($n);var Hn=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t){return function(t){return Object(r.tidy)(function(){var e=Object(r.add)(.5,Object(r.mul)(.2,t));return Object(r.clipByValue)(e,0,1);});}(t);},e.className="hardSigmoid",e;}(Ln);r.serialization.registerClass(Hn);var Gn=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t){return Object(r.softplus)(t);},e.className="softplus",e;}(Ln);r.serialization.registerClass(Gn);var Kn=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t){return function(t){return Object(r.tidy)(function(){return Object(r.div)(t,Object(r.abs)(t).add(1));});}(t);},e.className="softsign",e;}(Ln);r.serialization.registerClass(Kn);var Xn=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t){return Object(r.tanh)(t);},e.className="tanh",e;}(Ln);r.serialization.registerClass(Xn);var Yn=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t,e){return void 0===e&&(e=-1),Object(r.softmax)(t,e);},e.className="softmax",e;}(Ln);r.serialization.registerClass(Yn);var Jn=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t,e){return void 0===e&&(e=-1),Object(r.logSoftmax)(t,e);},e.className="logSoftmax",e;}(Ln);function Qn(t){return t.getClassName();}function Zn(t,e){return void 0===e&&(e={}),A(t,r.serialization.SerializationMap.getMap().classNameMap,e,"activation");}function tr(t){var e;return null==t?Zn(e={className:"linear",config:{}}):"string"==typeof t?((e={}).className=t,e.config={},Zn(e)):t instanceof Ln?t:Zn(t);}function er(t){if(null!=t&&"object"!=_typeof$1(t))throw new Error("Argument to L1L2 regularizer's constructor is expected to be an object, but received: "+t);}r.serialization.registerClass(Jn);var nr=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e;}(r.serialization.Serializable),rr=function(t){function e(e){var n=t.call(this)||this;return er(e),n.l1=null==e||null==e.l1?.01:e.l1,n.l2=null==e||null==e.l2?.01:e.l2,n.hasL1=0!==n.l1,n.hasL2=0!==n.l2,n;}return o(e,t),e.prototype.apply=function(t){var e=this;return Object(r.tidy)(function(){var n=Object(r.zeros)([1]);return 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t;},e.prototype.getConfig=function(){var e={maxValue:this.maxValue},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="ReLU",e;}(pe);r.serialization.registerClass(ur);var cr=function(t){function e(e){var n=t.call(this,null==e?{}:e)||this;return n.DEFAULT_ALPHA=.3,null==e&&(e={}),n.alpha=null==e.alpha?n.DEFAULT_ALPHA:e.alpha,n;}return o(e,t),e.prototype.call=function(t,e){var n=ne(t);return Object(r.leakyRelu)(n,this.alpha);},e.prototype.computeOutputShape=function(t){return t;},e.prototype.getConfig=function(){var e={alpha:this.alpha},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="LeakyReLU",e;}(pe);r.serialization.registerClass(cr);var lr=function(t){function e(e){var n=t.call(this,null==e?{}:e)||this;if(n.DEFAULT_ALPHA_INITIALIZER="zeros",null==e&&(e={}),n.supportsMasking=!0,n.alphaInitializer=Kt(e.alphaInitializer||n.DEFAULT_ALPHA_INITIALIZER),n.alphaRegularizer=sr(e.alphaRegularizer),n.alphaConstraint=W(e.alphaConstraint),null==e.sharedAxes)n.sharedAxes=null;else if(Array.isArray(e.sharedAxes))n.sharedAxes=e.sharedAxes;else {if("number"!=typeof e.sharedAxes)throw new d("Expected sharedAxes to be a number or an array of numbers, but got "+e.sharedAxes);n.sharedAxes=[e.sharedAxes];}return n;}return o(e,t),e.prototype.build=function(t){var e=(t=re(t)).slice(1);if(null!=this.sharedAxes)for(var n=0,r=this.sharedAxes;n<r.length;n++){e[(o=r[n])-1]=1;}this.alpha=this.addWeight("alpha",e,"float32",this.alphaInitializer,this.alphaRegularizer,!0,this.alphaConstraint);var i={};if(null!=this.sharedAxes)for(var o=1;o<t.length;++o){i[o]=t[o];}this.inputSpec=[new ce({ndim:t.length,axes:i})],this.built=!0;},e.prototype.call=function(t,e){return t=ne(t),Object(r.prelu)(t,this.alpha.read());},e.prototype.getConfig=function(){var e={alphaInitializer:Gt(this.alphaInitializer),alphaRegularizer:or(this.alphaRegularizer),alphaConstraint:z(this.alphaConstraint),sharedAxes:this.sharedAxes},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="PReLU",e;}(pe);r.serialization.registerClass(lr);var fr=function(t){function e(e){var n=t.call(this,null==e?{}:e)||this;if(n.DEFAULT_ALPHA=1,null==e&&(e={}),null!=e.alpha&&e.alpha!==n.DEFAULT_ALPHA)throw new p("Non-default alpha value ("+e.alpha+") is not supported by the ELU layer yet.");return n.alpha=null==e.alpha?n.DEFAULT_ALPHA:e.alpha,n;}return o(e,t),e.prototype.call=function(t,e){var n=ne(t);return Object(r.elu)(n);},e.prototype.computeOutputShape=function(t){return t;},e.prototype.getConfig=function(){var e={alpha:this.alpha},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="ELU",e;}(pe);r.serialization.registerClass(fr);var hr=function(t){function e(e){var n=t.call(this,null==e?{}:e)||this;return n.DEFAULT_THETA=1,null==e&&(e={}),n.theta=null==e.theta?n.DEFAULT_THETA:e.theta,n;}return o(e,t),e.prototype.call=function(t,e){var n=ne(t);return n.mul(ft(n.greater(this.theta),"float32"));},e.prototype.computeOutputShape=function(t){return t;},e.prototype.getConfig=function(){var e={theta:this.theta},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="ThresholdedReLU",e;}(pe);r.serialization.registerClass(hr);var dr=function(t){function e(e){var n=t.call(this,null==e?{}:e)||this;return n.DEFAULT_AXIS=1,null==e&&(e={}),n.softmax=new Yn().apply,n.axis=null==e.axis?n.DEFAULT_AXIS:e.axis,n;}return o(e,t),e.prototype.call=function(t,e){var n=ne(t);return this.softmax(n,this.axis);},e.prototype.computeOutputShape=function(t){return t;},e.prototype.getConfig=function(){var e={axis:this.axis},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Softmax",e;}(pe);function pr(t,e,n){if("number"==typeof t)return g(t,e);if(t.length!==e)throw new d("The "+n+" argument must be an integer or tuple of "+e+" integers. Received: "+t.length+" elements.");for(var r=0;r<e;++r){var i=t[r];if(!ot(i))throw new d("The "+n+" argument must be an integer or tuple of "+e+" integers. Received: "+JSON.stringify(t)+" including a non-integer number "+i);}return t;}function mr(t,e,n,r,i){return void 0===i&&(i=1),null==t?t:(o="same"===n?t:t-(e+(e-1)*(i-1))+1,Math.floor((o+r-1)/r));var o;}function gr(t,e,n,r){if(null==t)return null;if("valid"===r)t=t*e+ct([n-e,0]);else {if("same"!==r)throw new d("Unsupport padding mode: "+r+".");t*=e;}return t;}function vr(t,e){return Object(r.tidy)(function(){return X(e),"channelsFirst"===e?Object(r.transpose)(t,[0,2,3,1]):t;});}function yr(t,e){return Object(r.tidy)(function(){return X(e),"channelsFirst"===e?Object(r.transpose)(t,[0,2,3,4,1]):t;});}function br(t,e,n,i,o,a,s,u){return void 0===i&&(i=[1,1]),void 0===o&&(o="valid"),void 0===u&&(u=null),Object(r.tidy)(function(){if(null==a&&(a="channelsLast"),X(a),3!==t.rank&&4!==t.rank)throw new d("conv2dWithBiasActivation expects input to be of rank 3 or 4, but received "+t.rank+".");if(3!==e.rank&&4!==e.rank)throw new d("conv2dWithBiasActivation expects kernel to be of rank 3 or 4, but received "+t.rank+".");var c=vr(t,a);if("causal"===o)throw new p("The support for CAUSAL padding mode in conv1dWithBias is not implemented yet.");return c=r.fused.conv2d({x:c,filter:e,strides:i,pad:"same"===o?"same":"valid",dilations:s,dataFormat:"NHWC",bias:n,activation:u}),"channelsFirst"===a&&(c=Object(r.transpose)(c,[0,3,1,2])),c;});}r.serialization.registerClass(dr);var xr=function(t){function e(n,r){var i=t.call(this,r)||this;if(i.bias=null,i.DEFAULT_KERNEL_INITIALIZER="glorotNormal",i.DEFAULT_BIAS_INITIALIZER="zeros",e.verifyArgs(r),i.rank=n,T(i.rank,"rank"),1!==i.rank&&2!==i.rank&&3!==i.rank)throw new p("Convolution layer for rank other than 1, 2, or 3 ("+i.rank+") is not implemented yet.");if(i.kernelSize=pr(r.kernelSize,n,"kernelSize"),i.strides=pr(null==r.strides?1:r.strides,n,"strides"),i.padding=null==r.padding?"valid":r.padding,Y(i.padding),i.dataFormat=null==r.dataFormat?"channelsLast":r.dataFormat,X(i.dataFormat),i.activation=tr(r.activation),i.useBias=null==r.useBias||r.useBias,i.biasInitializer=Kt(r.biasInitializer||i.DEFAULT_BIAS_INITIALIZER),i.biasConstraint=W(r.biasConstraint),i.biasRegularizer=sr(r.biasRegularizer),i.activityRegularizer=sr(r.activityRegularizer),i.dilationRate=pr(null==r.dilationRate?1:r.dilationRate,n,"dilationRate"),1===i.rank&&Array.isArray(i.dilationRate)&&1!==i.dilationRate.length)throw new d("dilationRate must be a number or an array of a single number for 1D convolution, but received "+JSON.stringify(i.dilationRate));if(2===i.rank){if("number"==typeof i.dilationRate)i.dilationRate=[i.dilationRate,i.dilationRate];else if(2!==i.dilationRate.length)throw new d("dilationRate must be a number or array of two numbers for 2D convolution, but received "+JSON.stringify(i.dilationRate));}else if(3===i.rank)if("number"==typeof i.dilationRate)i.dilationRate=[i.dilationRate,i.dilationRate,i.dilationRate];else if(3!==i.dilationRate.length)throw new d("dilationRate must be a number or array of three numbers for 3D convolution, but received "+JSON.stringify(i.dilationRate));return i;}return o(e,t),e.verifyArgs=function(t){if(v("kernelSize"in t,"required key 'kernelSize' not in config"),"number"!=typeof t.kernelSize&&!F(t.kernelSize,"number",1,3))throw new d("BaseConv expects config.kernelSize to be number or number[] with length 1, 2, or 3, but received "+JSON.stringify(t.kernelSize)+".");},e.prototype.getConfig=function(){var e={kernelSize:this.kernelSize,strides:this.strides,padding:this.padding,dataFormat:this.dataFormat,dilationRate:this.dilationRate,activation:Qn(this.activation),useBias:this.useBias,biasInitializer:Gt(this.biasInitializer),biasRegularizer:or(this.biasRegularizer),activityRegularizer:or(this.activityRegularizer),biasConstraint:z(this.biasConstraint)},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e;}(pe),wr=function(t){function e(n,r){var i=t.call(this,n,r)||this;return i.kernel=null,e.verifyArgs(r),i.filters=r.filters,T(i.filters,"filters"),i.kernelInitializer=Kt(r.kernelInitializer||i.DEFAULT_KERNEL_INITIALIZER),i.kernelConstraint=W(r.kernelConstraint),i.kernelRegularizer=sr(r.kernelRegularizer),i;}return o(e,t),e.prototype.build=function(t){var e;t=re(t);var n="channelsFirst"===this.dataFormat?1:t.length-1;if(null==t[n])throw new d("The channel dimension of the input should be defined. Found "+t[n]);var r=t[n],i=this.kernelSize.concat([r,this.filters]);this.kernel=this.addWeight("kernel",i,null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[{ndim:this.rank+2,axes:(e={},e[n]=r,e)}],this.built=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var e;t=ne(t);var i=null==n.bias?null:n.bias.read(),o=N(n.activation.getClassName());if(null!=o&&2===n.rank)e=br(t,n.kernel.read(),i,n.strides,n.padding,n.dataFormat,n.dilationRate,o);else {if(1===n.rank)e=function(t,e,n,i,o,a,s){return void 0===i&&(i=1),void 0===o&&(o="valid"),void 0===s&&(s=1),Object(r.tidy)(function(){if(null==a&&(a="channelsLast"),X(a),3!==t.shape.length)throw new d("The input of a conv1dWithBias operation should be 3, but is "+t.shape.length+" instead.");if(3!==e.shape.length)throw new d("The kernel for a conv1dWithBias operation should be 3, but is "+e.shape.length+" instead");if(null!=n&&1!==n.shape.length)throw new d("The bias for a conv1dWithBias operation should be 1, but is "+e.shape.length+" instead");if("channelsFirst"===a&&(t=Object(r.transpose)(t,[0,2,1])),"causal"===o)throw new p("The support for CAUSAL padding mode in conv1dWithBias is not implemented yet.");var u=Object(r.conv1d)(t,e,i,"same"===o?"same":"valid","NWC",s);return null!=n&&(u=Ct(u,n)),u;});}(t,n.kernel.read(),i,n.strides[0],n.padding,n.dataFormat,n.dilationRate[0]);else if(2===n.rank)e=br(t,n.kernel.read(),i,n.strides,n.padding,n.dataFormat,n.dilationRate);else {if(3!==n.rank)throw new p("convolutions greater than 3D are not implemented yet.");e=function(t,e,n,i,o,a,s){return void 0===i&&(i=[1,1,1]),void 0===o&&(o="valid"),Object(r.tidy)(function(){if(null==a&&(a="channelsLast"),X(a),4!==t.rank&&5!==t.rank)throw new d("conv3dWithBias expects input to be of rank 4 or 5, but received "+t.rank+".");if(4!==e.rank&&5!==e.rank)throw new d("conv3dWithBias expects kernel to be of rank 4 or 5, but received "+t.rank+".");var u=yr(t,a);if("causal"===o)throw new p("The support for CAUSAL padding mode in conv3dWithBias is not implemented yet.");return u=Object(r.conv3d)(u,e,i,"same"===o?"same":"valid","NDHWC",s),null!=n&&(u=Ct(u,n)),"channelsFirst"===a&&(u=Object(r.transpose)(u,[0,4,1,2,3])),u;});}(t,n.kernel.read(),i,n.strides,n.padding,n.dataFormat,n.dilationRate);}null!=n.activation&&(e=n.activation.apply(e));}return e;});},e.prototype.computeOutputShape=function(t){t=re(t);for(var e=[],n="channelsLast"===this.dataFormat?t.slice(1,t.length-1):t.slice(2),r=0;r<n.length;++r){var i=mr(n[r],this.kernelSize[r],this.padding,this.strides[r],"number"==typeof this.dilationRate?this.dilationRate:this.dilationRate[r]);e.push(i);}var o=[t[0]];return "channelsLast"===this.dataFormat?(o=o.concat(e)).push(this.filters):(o.push(this.filters),o=o.concat(e)),o;},e.prototype.getConfig=function(){var e={filters:this.filters,kernelInitializer:Gt(this.kernelInitializer),kernelRegularizer:or(this.kernelRegularizer),kernelConstraint:z(this.kernelConstraint)},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.verifyArgs=function(t){if(!("filters"in t)||"number"!=typeof t.filters||t.filters<1)throw new d("Convolution layer expected config.filters to be a 'number' > 0 but got "+JSON.stringify(t.filters));},e;}(xr),kr=function(t){function e(n){var r=t.call(this,2,n)||this;return e.verifyArgs(n),r;}return o(e,t),e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this);return delete e.rank,e;},e.verifyArgs=function(t){if("number"!=typeof t.kernelSize&&!F(t.kernelSize,"number",1,2))throw new d("Conv2D expects config.kernelSize to be number or number[] with length 1 or 2, but received "+JSON.stringify(t.kernelSize)+".");},e.className="Conv2D",e;}(wr);r.serialization.registerClass(kr);var Er=function(t){function e(n){var r=t.call(this,3,n)||this;return e.verifyArgs(n),r;}return o(e,t),e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this);return delete e.rank,e;},e.verifyArgs=function(t){if("number"!=typeof t.kernelSize&&(!Array.isArray(t.kernelSize)||1!==t.kernelSize.length&&3!==t.kernelSize.length))throw new d("Conv3D expects config.kernelSize to be number or [number, number, number], but received "+JSON.stringify(t.kernelSize)+".");},e.className="Conv3D",e;}(wr);r.serialization.registerClass(Er);var Cr=function(t){function e(e){var n=t.call(this,e)||this;if(n.inputSpec=[new ce({ndim:4})],"same"!==n.padding&&"valid"!==n.padding)throw new d("Conv2DTranspose currently supports only padding modes 'same' and 'valid', but received padding mode "+n.padding);return n;}return o(e,t),e.prototype.build=function(t){var e;if(4!==(t=re(t)).length)throw new d("Input should have rank 4; Received input shape: "+JSON.stringify(t));var n="channelsFirst"===this.dataFormat?1:t.length-1;if(null==t[n])throw new d("The channel dimension of the inputs should be defined. Found `None`.");var r=t[n],i=this.kernelSize.concat([this.filters,r]);this.kernel=this.addWeight("kernel",i,"float32",this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[new ce({ndim:4,axes:(e={},e[n]=r,e)})],this.built=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var e=ne(t);if(4!==e.shape.length)throw new d("Conv2DTranspose.call() expects input tensor to be rank-4, but received a tensor of rank-"+e.shape.length);var i,o,a=e.shape,s=a[0];"channelsFirst"===n.dataFormat?(i=2,o=3):(i=1,o=2);var u=a[i],c=a[o],l=n.kernelSize[0],f=n.kernelSize[1],h=n.strides[0],p=n.strides[1],m=[s,gr(u,h,l,n.padding),gr(c,p,f,n.padding),n.filters];"channelsLast"!==n.dataFormat&&(e=Object(r.transpose)(e,[0,2,3,1]));var g=Object(r.conv2dTranspose)(e,n.kernel.read(),m,n.strides,n.padding);return "channelsLast"!==n.dataFormat&&(g=Object(r.transpose)(g,[0,3,1,2])),null!=n.bias&&(g=Ct(g,n.bias.read(),n.dataFormat)),null!=n.activation&&(g=n.activation.apply(g)),g;});},e.prototype.computeOutputShape=function(t){var e,n,r,i=(t=re(t)).slice();"channelsFirst"===this.dataFormat?(e=1,n=2,r=3):(e=3,n=1,r=2);var o=this.kernelSize[0],a=this.kernelSize[1],s=this.strides[0],u=this.strides[1];return i[e]=this.filters,i[n]=gr(i[n],s,o,this.padding),i[r]=gr(i[r],u,a,this.padding),i;},e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this);return delete e.dilationRate,e;},e.className="Conv2DTranspose",e;}(kr);r.serialization.registerClass(Cr);var Ar=function(t){function e(e){return t.call(this,2,e)||this;}return o(e,t),e.className="SeparableConv2D",e;}(function(t){function e(e,n){var r=t.call(this,e,n)||this;if(r.DEFAULT_DEPTHWISE_INITIALIZER="glorotUniform",r.DEFAULT_POINTWISE_INITIALIZER="glorotUniform",r.depthwiseKernel=null,r.pointwiseKernel=null,null==n.filters)throw new d("The `filters` configuration field is required by SeparableConv, but is unspecified.");if(null!=n.kernelInitializer||null!=n.kernelRegularizer||null!=n.kernelConstraint)throw new d("Fields kernelInitializer, kernelRegularizer and kernelConstraint are invalid for SeparableConv2D. Use depthwiseInitializer, depthwiseRegularizer, depthwiseConstraint, pointwiseInitializer, pointwiseRegularizer and pointwiseConstraint instead.");if(null!=n.padding&&"same"!==n.padding&&"valid"!==n.padding)throw new d("SeparableConv"+r.rank+"D supports only padding modes: 'same' and 'valid', but received "+JSON.stringify(n.padding));return r.depthMultiplier=null==n.depthMultiplier?1:n.depthMultiplier,r.depthwiseInitializer=Kt(n.depthwiseInitializer||r.DEFAULT_DEPTHWISE_INITIALIZER),r.depthwiseRegularizer=sr(n.depthwiseRegularizer),r.depthwiseConstraint=W(n.depthwiseConstraint),r.pointwiseInitializer=Kt(n.depthwiseInitializer||r.DEFAULT_POINTWISE_INITIALIZER),r.pointwiseRegularizer=sr(n.pointwiseRegularizer),r.pointwiseConstraint=W(n.pointwiseConstraint),r;}return o(e,t),e.prototype.build=function(t){var e;if((t=re(t)).length<this.rank+2)throw new d("Inputs to SeparableConv"+this.rank+"D should have rank "+(this.rank+2)+", but received input shape: "+JSON.stringify(t));var n="channelsFirst"===this.dataFormat?1:t.length-1;if(null==t[n]||t[n]<0)throw new d("The channel dimension of the inputs should be defined, but found "+JSON.stringify(t[n]));for(var r=t[n],i=this.kernelSize.concat([r,this.depthMultiplier]),o=[],a=0;a<this.rank;++a){o.push(1);}o.push(r*this.depthMultiplier,this.filters),this.depthwiseKernel=this.addWeight("depthwise_kernel",i,"float32",this.depthwiseInitializer,this.depthwiseRegularizer,!0,this.depthwiseConstraint),this.pointwiseKernel=this.addWeight("pointwise_kernel",o,"float32",this.pointwiseInitializer,this.pointwiseRegularizer,!0,this.pointwiseConstraint),this.useBias?this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.inputSpec=[new ce({ndim:this.rank+2,axes:(e={},e[n]=r,e)})],this.built=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var e;if(t=ne(t),1===n.rank)throw new p("1D separable convolution is not implemented yet.");return 2===n.rank&&("channelsFirst"===n.dataFormat&&(t=Object(r.transpose)(t,[0,2,3,1])),e=Object(r.separableConv2d)(t,n.depthwiseKernel.read(),n.pointwiseKernel.read(),n.strides,n.padding,n.dilationRate,"NHWC")),n.useBias&&(e=Ct(e,n.bias.read(),n.dataFormat)),null!=n.activation&&(e=n.activation.apply(e)),"channelsFirst"===n.dataFormat&&(e=Object(r.transpose)(e,[0,3,1,2])),e;});},e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this);return delete e.rank,delete e.kernelInitializer,delete e.kernelRegularizer,delete e.kernelConstraint,e.depthwiseInitializer=Gt(this.depthwiseInitializer),e.pointwiseInitializer=Gt(this.pointwiseInitializer),e.depthwiseRegularizer=or(this.depthwiseRegularizer),e.pointwiseRegularizer=or(this.pointwiseRegularizer),e.depthwiseConstraint=z(this.depthwiseConstraint),e.pointwiseConstraint=z(this.pointwiseConstraint),e;},e.className="SeparableConv",e;}(wr));r.serialization.registerClass(Ar);var Or=function(t){function e(n){var r=t.call(this,1,n)||this;return e.verifyArgs(n),r.inputSpec=[{ndim:3}],r;}return o(e,t),e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this);return delete e.rank,delete e.dataFormat,e;},e.verifyArgs=function(t){if("number"!=typeof t.kernelSize&&!F(t.kernelSize,"number",1,1))throw new d("Conv1D expects config.kernelSize to be number or number[] with length 1, but received "+JSON.stringify(t.kernelSize)+".");},e.className="Conv1D",e;}(wr);r.serialization.registerClass(Or);var _r=function(t){function e(e){var n=t.call(this,e)||this;return "number"==typeof e.cropping?n.cropping=[[e.cropping,e.cropping],[e.cropping,e.cropping]]:"number"==typeof e.cropping[0]?n.cropping=[[e.cropping[0],e.cropping[0]],[e.cropping[1],e.cropping[1]]]:n.cropping=e.cropping,n.dataFormat=void 0===e.dataFormat?"channelsLast":e.dataFormat,n.inputSpec=[{ndim:4}],n;}return o(e,t),e.prototype.computeOutputShape=function(t){return "channelsFirst"===this.dataFormat?[t[0],t[1],t[2]-this.cropping[0][0]-this.cropping[0][1],t[3]-this.cropping[1][0]-this.cropping[1][1]]:[t[0],t[1]-this.cropping[0][0]-this.cropping[0][1],t[2]-this.cropping[1][0]-this.cropping[1][1],t[3]];},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){return t=ne(t),"channelsLast"===n.dataFormat?mt(mt(t,n.cropping[0][0],t.shape[1]-n.cropping[0][0]-n.cropping[0][1],2),n.cropping[1][0],t.shape[2]-n.cropping[1][1]-n.cropping[1][0],3):mt(mt(t,n.cropping[0][0],t.shape[2]-n.cropping[0][0]-n.cropping[0][1],3),n.cropping[1][0],t.shape[3]-n.cropping[1][1]-n.cropping[1][0],4);});},e.prototype.getConfig=function(){var e={cropping:this.cropping,dataFormat:this.dataFormat},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Cropping2D",e;}(pe);r.serialization.registerClass(_r);var Sr=function(t){function e(e){var n=t.call(this,e)||this;return n.DEFAULT_SIZE=[2,2],n.inputSpec=[{ndim:4}],n.size=null==e.size?n.DEFAULT_SIZE:e.size,n.dataFormat=null==e.dataFormat?"channelsLast":e.dataFormat,n;}return o(e,t),e.prototype.computeOutputShape=function(t){if("channelsFirst"===this.dataFormat){var e=null==t[2]?null:this.size[0]*t[2],n=null==t[3]?null:this.size[1]*t[3];return [t[0],t[1],e,n];}return e=null==t[1]?null:this.size[0]*t[1],n=null==t[2]?null:this.size[1]*t[2],[t[0],e,n,t[3]];},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var e=ne(t),i=e.shape;if("channelsFirst"===n.dataFormat){e=Object(r.transpose)(e,[0,2,3,1]);var o=n.size[0]*i[2],a=n.size[1]*i[3],s=e.resizeNearestNeighbor([o,a]);return Object(r.transpose)(s,[0,3,1,2]);}return o=n.size[0]*i[1],a=n.size[1]*i[2],e.resizeNearestNeighbor([o,a]);});},e.prototype.getConfig=function(){var e={size:this.size,dataFormat:this.dataFormat},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="UpSampling2D",e;}(pe);r.serialization.registerClass(Sr);var Dr=function(t){function e(e){var n=t.call(this,2,e)||this;return n.depthwiseKernel=null,n.depthMultiplier=null==e.depthMultiplier?1:e.depthMultiplier,n.depthwiseInitializer=Kt(e.depthwiseInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.depthwiseConstraint=W(e.depthwiseConstraint),n.depthwiseRegularizer=sr(e.depthwiseRegularizer),n;}return o(e,t),e.prototype.build=function(t){if((t=re(t)).length<4)throw new d("Inputs to DepthwiseConv2D should have rank 4. Received input shape: "+JSON.stringify(t)+".");var e="channelsFirst"===this.dataFormat?1:3;if(null==t[e]||t[e]<0)throw new d("The channel dimension of the inputs to DepthwiseConv2D should be defined, but is not ("+t[e]+").");var n=t[e],r=[this.kernelSize[0],this.kernelSize[1],n,this.depthMultiplier];this.depthwiseKernel=this.addWeight("depthwise_kernel",r,null,this.depthwiseInitializer,this.depthwiseRegularizer,!0,this.depthwiseConstraint),this.useBias?this.bias=this.addWeight("bias",[n*this.depthMultiplier],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var e=function(t,e,n,i,o,a){return void 0===n&&(n=[1,1]),void 0===i&&(i="valid"),Object(r.tidy)(function(){null==o&&(o="channelsLast"),X(o);var s=vr(t,o);if(4!==t.rank)throw new d("Input for depthwiseConv2d is required to be 4-D, but is instead "+t.rank+"-D");if(4!==e.rank)throw new d("depthwiseKernel is required to be 4-D, but is instead "+e.rank+"-D");return s=Object(r.depthwiseConv2d)(s,e,n,"same"===i?"same":"valid","NHWC",a),"channelsFirst"===o&&(s=Object(r.transpose)(s,[0,3,1,2])),s;});}(t=ne(t),n.depthwiseKernel.read(),n.strides,n.padding,n.dataFormat,null);return n.useBias&&(e=Ct(e,n.bias.read(),n.dataFormat)),null!=n.activation&&(e=n.activation.apply(e)),e;});},e.prototype.computeOutputShape=function(t){t=re(t);var e="channelsFirst"===this.dataFormat?t[2]:t[1],n="channelsFirst"===this.dataFormat?t[3]:t[2],r="channelsFirst"===this.dataFormat?t[1]*this.depthMultiplier:t[3]*this.depthMultiplier,i=mr(e,this.kernelSize[0],this.padding,this.strides[0]),o=mr(n,this.kernelSize[1],this.padding,this.strides[1]);return "channelsFirst"===this.dataFormat?[t[0],r,i,o]:[t[0],i,o,r];},e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this);return e.depthMultiplier=this.depthMultiplier,e.depthwiseInitializer=Gt(this.depthwiseInitializer),e.depthwiseRegularizer=or(this.depthwiseRegularizer),e.depthwiseConstraint=z(this.depthwiseRegularizer),e;},e.className="DepthwiseConv2D",e;}(xr);r.serialization.registerClass(Dr);var Fr=function(t){function e(e){var n=t.call(this,e)||this;return n.rate=Math.max(Math.min(e.rate,1),0),n.noiseShape=e.noiseShape,n.seed=e.seed,n.supportsMasking=!0,n;}return o(e,t),e.prototype.getNoiseShape=function(t){if(null==this.noiseShape)return this.noiseShape;for(var e=t.shape,n=[],r=0;r<this.noiseShape.length;++r){n.push(null==this.noiseShape[r]?e[r]:this.noiseShape[r]);}return n;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var r=ne(t);if(0<n.rate&&n.rate<1){var i=null!=e.training&&e.training,o=n.getNoiseShape(r);return Ot(function(){return At(r,n.rate,o,n.seed);},function(){return r;},i);}return t;});},e.prototype.getConfig=function(){var e={rate:this.rate,noiseShape:this.noiseShape,seed:this.seed},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.prototype.dispose=function(){return t.prototype.dispose.call(this);},e.className="Dropout",e;}(pe);r.serialization.registerClass(Fr);var Tr=function(t){function e(e){var n=t.call(this,e)||this;return n.inputSpec=[{ndim:3}],n;}return o(e,t),e.prototype.getNoiseShape=function(t){var e=t.shape;return [e[0],1,e[2]];},e.className="SpatialDropout1D",e;}(Fr);r.serialization.registerClass(Tr);var Nr=function(t){function e(e){var n=t.call(this,e)||this;if(n.activation=null,n.useBias=!0,n.kernel=null,n.bias=null,n.DEFAULT_KERNEL_INITIALIZER="glorotNormal",n.DEFAULT_BIAS_INITIALIZER="zeros",null==e.batchInputShape&&null==e.inputShape&&null!=e.inputDim){var r=null;null!=e.batchSize&&(r=e.batchSize),n.batchInputShape=[r,e.inputDim];}return n.units=e.units,T(n.units,"units"),n.activation=tr(e.activation),null!=e.useBias&&(n.useBias=e.useBias),n.kernelInitializer=Kt(e.kernelInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.biasInitializer=Kt(e.biasInitializer||n.DEFAULT_BIAS_INITIALIZER),n.kernelConstraint=W(e.kernelConstraint),n.biasConstraint=W(e.biasConstraint),n.kernelRegularizer=sr(e.kernelRegularizer),n.biasRegularizer=sr(e.biasRegularizer),n.activityRegularizer=sr(e.activityRegularizer),n.supportsMasking=!0,n.inputSpec=[{minNDim:2}],n;}return o(e,t),e.prototype.build=function(t){var e,n=(t=re(t))[t.length-1];null==this.kernel&&(this.kernel=this.addWeight("kernel",[n,this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.units],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint))),this.inputSpec=[{minNDim:2,axes:(e={},e[-1]=n,e)}],this.built=!0;},e.prototype.computeOutputShape=function(t){var e=(t=re(t)).slice();return e[e.length-1]=this.units,e;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var r,i=ne(t),o=N(n.activation.getClassName());return null!=o?r=xt(i,n.kernel.read(),o,n.bias?n.bias.read():null):(r=xt(i,n.kernel.read()),null!=n.bias&&(r=Ct(r,n.bias.read())),null!=n.activation&&(r=n.activation.apply(r))),r;});},e.prototype.getConfig=function(){var e={units:this.units,activation:Qn(this.activation),useBias:this.useBias,kernelInitializer:Gt(this.kernelInitializer),biasInitializer:Gt(this.biasInitializer),kernelRegularizer:or(this.kernelRegularizer),biasRegularizer:or(this.biasRegularizer),activityRegularizer:or(this.activityRegularizer),kernelConstraint:z(this.kernelConstraint),biasConstraint:z(this.biasConstraint)},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Dense",e;}(pe);r.serialization.registerClass(Nr);var Ir=function(t){function e(e){var n=this;return e=e||{},(n=t.call(this,e)||this).inputSpec=[{minNDim:3}],n.dataFormat=e.dataFormat,n;}return o(e,t),e.prototype.computeOutputShape=function(t){for(var e=0,n=(t=re(t)).slice(1);e<n.length;e++){if(null==n[e])throw new d('The shape of the input to "Flatten" is not fully defined (got '+t.slice(1)+'). Make sure to pass a complete "input_shape" or "batch_input_shape" argument to the first layer in your model.');}return [t[0],at(t,1)];},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var r=ne(t);if("channelsFirst"===n.dataFormat&&r.rank>1){for(var i=[0],o=2;o<r.rank;++o){i.push(o);}i.push(1),r=r.transpose(i);}return function(t){if(t.rank<=1)throw new d("batchFlatten requires a minimum rank of 2. Got rank: "+t.rank+".");var e=[t.shape[0],at(t.shape,1)];return t.reshape(e);}(r);});},e.prototype.getConfig=function(){var e={};null!=this.dataFormat&&(e.dataFormat=this.dataFormat);var n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Flatten",e;}(pe);r.serialization.registerClass(Ir);var Rr=function(t){function e(e){var n=t.call(this,e)||this;return n.supportsMasking=!0,n.activation=tr(e.activation),n;}return o(e,t),e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var r=ne(t);return n.activation.apply(r);});},e.prototype.getConfig=function(){var e={activation:Qn(this.activation)},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Activation",e;}(pe);r.serialization.registerClass(Rr);var Mr=function(t){function e(e){var n=t.call(this,e)||this;return n.n=e.n,n.inputSpec=[{ndim:2}],n;}return o(e,t),e.prototype.computeOutputShape=function(t){return [t[0],this.n,t[1]];},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){return function(t,e){return Object(r.tidy)(function(){if(2!==t.shape.length)throw new d("repeat() expects a rank-2 tensor, but received a rank-"+t.shape.length+" tensor.");return yt(ht(t,1),[1,e,1]);});}(t=ne(t),n.n);});},e.prototype.getConfig=function(){var e={n:this.n},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="RepeatVector",e;}(pe);r.serialization.registerClass(Mr);var jr=function(t){function e(e){var n=t.call(this,e)||this;n.targetShape=e.targetShape;for(var r=0;r<n.targetShape.length;++r){n.isUnknown(n.targetShape[r])&&(n.targetShape[r]=null);}return n;}return o(e,t),e.prototype.isUnknown=function(t){return t<0||null==t;},e.prototype.fixUnknownDimension=function(t,e){for(var n="Total size of new array must be unchanged.",r=e.slice(),i=1,o=null,a=0;a<r.length;++a){var s=r[a];if(this.isUnknown(s)){if(null!==o)throw new d("Can only specifiy one unknown dimension.");o=a;}else i*=s;}var u=at(t);if(null!==o){if(0===i||u%i!=0)throw new d(n);r[o]=u/i;}else if(u!==i)throw new d(n);return r;},e.prototype.computeOutputShape=function(t){for(var e=!1,n=0;n<t.length;++n){if(this.isUnknown(t[n])){e=!0;break;}}return e?t.slice(0,1).concat(this.targetShape):t.slice(0,1).concat(this.fixUnknownDimension(t.slice(1),this.targetShape));},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var r=ne(t),i=r.shape,o=i.slice(0,1).concat(n.fixUnknownDimension(i.slice(1),n.targetShape));return r.reshape(o);});},e.prototype.getConfig=function(){var e={targetShape:this.targetShape},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Reshape",e;}(pe);r.serialization.registerClass(jr);var Br=function(t){function e(e){var n=t.call(this,e)||this;if(null==e.dims)throw new Error("Required configuration field `dims` is missing during Permute constructor call.");if(!Array.isArray(e.dims))throw new Error("Permute constructor requires `dims` to be an Array, but received "+e.dims+" instead.");var i=lt(1,e.dims.length+1);if(!r.util.arraysEqual(e.dims.slice().sort(),i))throw new Error("Invalid permutation `dims`: "+JSON.stringify(e.dims)+" `dims` must contain consecutive integers starting from 1.");return n.dims=e.dims,n.dimsIncludingBatch=[0].concat(n.dims),n.inputSpec=[new ce({ndim:n.dims.length+1})],n;}return o(e,t),e.prototype.computeOutputShape=function(t){var e=(t=re(t)).slice();return this.dims.forEach(function(n,r){e[r+1]=t[n];}),e;},e.prototype.call=function(t,e){return Object(r.transpose)(ne(t),this.dimsIncludingBatch);},e.prototype.getConfig=function(){var e={dims:this.dims},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Permute",e;}(pe);r.serialization.registerClass(Br);var Pr=function(t){function e(e){var n=t.call(this,null==e?{}:e)||this;return n.supportsMasking=!0,n.maskValue=null!=e?null==e.maskValue?0:e.maskValue:0,n;}return o(e,t),e.prototype.computeOutputShape=function(t){return t;},e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this),n={maskValue:this.maskValue};return Object.assign(n,e),n;},e.prototype.computeMask=function(t,e){var n=ne(t);return Object(r.any)(Object(r.notEqual)(n,this.maskValue),-1);},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var i=ne(t),o=Object(r.any)(Object(r.notEqual)(i,n.maskValue),-1,!0);return i.mul(o.asType(i.dtype));});},e.className="Masking",e;}(pe);r.serialization.registerClass(Pr);var Lr=function(t){function e(e){var n=t.call(this,e)||this;if(n.embeddings=null,n.DEFAULT_EMBEDDINGS_INITIALIZER="randomUniform",null==e.batchInputShape&&null==e.inputShape){var r=null;null!=e.batchSize&&(r=e.batchSize),null==e.inputLength?n.batchInputShape=[r,null]:n.batchInputShape=[r].concat(x(e.inputLength));}return n.inputDim=e.inputDim,T(n.inputDim,"inputDim"),n.outputDim=e.outputDim,T(n.outputDim,"outputDim"),n.embeddingsInitializer=Kt(e.embeddingsInitializer||n.DEFAULT_EMBEDDINGS_INITIALIZER),n.embeddingsRegularizer=sr(e.embeddingsRegularizer),n.activityRegularizer=sr(e.activityRegularizer),n.embeddingsConstraint=W(e.embeddingsConstraint),n.maskZero=e.maskZero,n.supportsMasking=e.maskZero,n.inputLength=e.inputLength,n;}return o(e,t),e.prototype.build=function(t){this.embeddings=this.addWeight("embeddings",[this.inputDim,this.outputDim],this.dtype,this.embeddingsInitializer,this.embeddingsRegularizer,!0,this.embeddingsConstraint),this.built=!0;},e.prototype.warnOnIncompatibleInputShape=function(t){},e.prototype.computeMask=function(t,e){var n=this;return Object(r.tidy)(function(){return n.maskZero?(t=ne(t),Object(r.notEqual)(t,Object(r.zerosLike)(t))):null;});},e.prototype.computeOutputShape=function(t){if(t=re(t),null==this.inputLength)return t.concat([this.outputDim]);var e=x(this.inputLength);if(e.length!==t.length-1)throw new d('"inputLength" is '+this.inputLength+", but received input shape has shape "+t);for(var n=0,r=0;r<e.length;++r){var i=e[r],o=t[r+1];if(null!=i&&null!=o&&i!==o)throw new d('"inputLength" is '+this.inputLength+", but received input shape has shape "+t);null==i&&(e[n]=o),n++;}return [t[0]].concat(e,[this.outputDim]);},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var r=ne(t);return "int32"!==r.dtype&&(r=ft(r,"int32")),wt(n.embeddings.read(),r.as1D()).reshape(re(n.computeOutputShape(r.shape)));});},e.prototype.getConfig=function(){var e={inputDim:this.inputDim,outputDim:this.outputDim,embeddingsInitializer:Gt(this.embeddingsInitializer),embeddingsRegularizer:or(this.embeddingsRegularizer),activityRegularizer:or(this.activityRegularizer),embeddingsConstraint:z(this.embeddingsConstraint),maskZero:this.maskZero,inputLength:this.inputLength},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Embedding",e;}(pe);r.serialization.registerClass(Lr);var zr=function(t){function e(e){var n=t.call(this,e||{})||this;return n.supportsMasking=!0,n;}return o(e,t),e.prototype.mergeFunction=function(t){throw new p();},e.prototype.computeElementwiseOpOutputShape=function(t,e){if(null==t||null==e)return null;if(t.length<e.length)return this.computeElementwiseOpOutputShape(e,t);if(0===e.length)return t;for(var n=t.slice(0,t.length-e.length),r=0;r<e.length;++r){var i=t[t.length-e.length+r],o=e[r];if(null==i||null==o||i<0||o<0)n.push(null);else if(1===i)n.push(o);else if(1===o)n.push(i);else {if(i!==o)throw new d("Operands could not be broadcast together with shapes "+JSON.stringify(t)+" "+JSON.stringify(e));n.push(i);}}return n;},e.prototype.build=function(t){if(Array.isArray(t)&&!Array.isArray(t[0])&&(t=[re(t)]),(t=t).length<2)throw new d("A merge layer should be called on an Array of at least 2 inputs. Got "+t.length+" input(s).");for(var e=[],n=0,r=t;n<r.length;n++){null!=(a=r[n])&&null!==a[0]&&e.push(a[0]);}if((e=_(e)).length>1)throw new d("Can not merge tensors with different batch sizes. Got tensors with shapes: "+JSON.stringify(t)+".");for(var i=null==t[0]?null:t[0].slice(1),o=1;o<t.length;++o){var a=null==t[o]?null:t[o].slice(1);i=this.computeElementwiseOpOutputShape(i,a);}var s=t.map(function(t){return t.length;});-1===t.indexOf(null)&&1===_(s).length?this.reshapeRequired=!1:this.reshapeRequired=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){if(t=t,n.reshapeRequired){var e=[],i=t.map(function(t){return t.rank;});if(-1===i.indexOf(null)){for(var o=ct(i),a=0,s=t;a<s.length;a++){for(var u=(d=s[a]).rank,c=0;c<o-u;++c){d=ht(d,1);}e.push(d);}return n.mergeFunction(e);}for(var l=!1,f=0,h=t;f<h.length;f++){var d;if(null==(u=(d=h[f]).rank)){var p=d.shape,m=p[0],g=p.slice(1).concat([m]),v=d.reshape([m].concat(at(p.slice(1))));v=(v=Object(r.transpose)(v,[1,0])).reshape(g),e.push(v),l=!0;}else if(u>1){var y=lt(1,u).concat([0]);e.push(Object(r.transpose)(d,y)),l=!0;}else e.push(d);}var b=n.mergeFunction(e),x=b.rank;if(l)if(null==x){var w=b.shape;g=[m=w[w.length-1]].concat(w.slice(0,w.length-1)),b=Object(r.transpose)(b.reshape([-1,m]),[1,0]).reshape(g);}else x>1&&(y=[x-1].concat(lt(0,x-1)),b=Object(r.transpose)(b,y));return b;}return n.mergeFunction(t);});},e.prototype.computeOutputShape=function(t){var e;e=null==(t=t)[0]?null:t[0].slice(1);for(var n=1;n<t.length;++n){var r=null==t[n]?null:t[n].slice(1);e=this.computeElementwiseOpOutputShape(e,r);}for(var i=[],o=0,a=t;o<a.length;o++){null!=(r=a[o])&&null!==r[0]&&i.push(r[0]);}return 1===(i=_(i)).length?i.concat(e):[null].concat(e);},e.prototype.computeMask=function(t,e){return Object(r.tidy)(function(){if(null==e)return null;if(!Array.isArray(e))throw new d("`mask` should be an Array");if(!Array.isArray(t))throw new d("`inputs` should be an Array");if(e.length!==t.length)throw new d("The Array 'inputs' and 'mask' are expected to have the same length, but have different lengths ("+t.length+" vs "+e.length+")");if(e.every(function(t){return null==t;}))return null;for(var n=(e=e.map(function(t){return null==t?t:Object(r.expandDims)(t,0);}))[0],i=1;i<e.length-1;++i){n=Object(r.logicalAnd)(n,e[i]);}return n;});},e;}(pe),Ur=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.mergeFunction=function(t){return Object(r.tidy)(function(){for(var e=t[0].clone(),n=1;n<t.length;++n){e=Object(r.add)(e,t[n]);}return e;});},e.className="Add",e;}(zr);r.serialization.registerClass(Ur);var Wr=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.mergeFunction=function(t){return Object(r.tidy)(function(){for(var e=t[0].clone(),n=1;n<t.length;++n){e=Object(r.mul)(e,t[n]);}return e;});},e.className="Multiply",e;}(zr);r.serialization.registerClass(Wr);var Vr=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.mergeFunction=function(t){return Object(r.tidy)(function(){for(var e=t[0].clone(),n=1;n<t.length;++n){e=Object(r.add)(e,t[n]);}return Object(r.mul)(1/t.length,e);});},e.className="Average",e;}(zr);r.serialization.registerClass(Vr);var qr=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.mergeFunction=function(t){return Object(r.tidy)(function(){for(var e=t[0],n=1;n<t.length;++n){e=Object(r.maximum)(e,t[n]);}return e;});},e.className="Maximum",e;}(zr);r.serialization.registerClass(qr);var $r=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.mergeFunction=function(t){return Object(r.tidy)(function(){for(var e=t[0],n=1;n<t.length;++n){e=Object(r.minimum)(e,t[n]);}return e;});},e.className="Minimum",e;}(zr);r.serialization.registerClass($r);var Hr=function(t){function e(e){var n=t.call(this,e)||this;return n.DEFAULT_AXIS=-1,null==e&&(e={}),n.axis=null==e.axis?n.DEFAULT_AXIS:e.axis,n.supportsMasking=!0,n.reshapeRequired=!1,n;}return o(e,t),e.prototype.build=function(t){if(!Array.isArray(t)||!Array.isArray(t[0])||1===t.length)throw new d("A `Concatenate` layer should be called on a list of at least 2 inputs");for(var e=!0,n=0,i=t=t;n<i.length;n++){if(null!=(f=i[n])){e=!1;break;}}if(!e){for(var o=[],a=0;a<t.length;++a){var s=t[a].slice();s.splice(this.axis,1);for(var u=!1,c=0,l=o;c<l.length;c++){var f=l[c];if(r.util.arraysEqual(f,s)){u=!0;break;}}u||o.push(s);}if(o.length>1)throw new d("A `Concatenate` layer requires inputs with matching shapes except for the concat axis. Got input shapes: "+JSON.stringify(t));}},e.prototype.mergeFunction=function(t){var e=this;return Object(r.tidy)(function(){return gt(t,e.axis);});},e.prototype.computeOutputShape=function(t){if(!Array.isArray(t)||!Array.isArray(t[0]))throw new d("A `Concatenate` layer should be called on a list of inputs.");for(var e=t,n=e[0].slice(),r=this.axis<0?n.length+this.axis:this.axis,i=0,o=e.slice(1);i<o.length;i++){var a=o[i];if(null==n[r]||null==a[r]){n[r]=null;break;}n[r]+=a[r];}return n;},e.prototype.computeMask=function(t,e){var n=this;if(null==e)return null;if(!Array.isArray(e))throw new d("`mask` should be an array for Concatenate");if(!Array.isArray(t))throw new d("`inputs` should be an array for Concatenate");if(e.length!==t.length)throw new d("Mismatch in the length of mask ("+e.length+") and the legnth of inputs ("+t.length+")");return Object(r.tidy)(function(){var i=!0;if(e.forEach(function(t){null==t||(i=!1);}),i)return null;for(var o=[],a=0;a<t.length;++a){null==e[a]?o.push(Object(r.onesLike)(t[a]).asType("bool")):e[a].rank<t[a].rank?o.push(Object(r.expandDims)(e[a],-1)):o.push(e[a]);}var s=Object(r.concat)(o,n.axis);return Object(r.all)(s,-1,!1);});},e.prototype.getConfig=function(){var e={axis:this.axis},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Concatenate",e;}(zr);function Gr(t,e){for(;t<0;){t+=e;}return t;}r.serialization.registerClass(Hr);var Kr=function(t){function e(e){var n=t.call(this,e)||this;return n.axes=e.axes,n.normalize=null!=e.normalize&&e.normalize,n.supportsMasking=!0,n.reshapeRequired=!1,n;}return o(e,t),e.prototype.build=function(t){r.util.assert(Array.isArray(t)&&2===t.length&&Array.isArray(t[0])&&Array.isArray(t[1]),function(){return "A `Dot` layer should be called on a list of exactly 2 inputs.";});var e=t[0],n=t[1];if(e.length>3||n.length>3)throw new p("Dot layer does not support tensors of 4D or higher rank yet.");var i=this.interpretAxes(e,n);if(e[i[0]]!==n[i[1]])throw new d("Dimension incompatibility: "+e[i[0]]+" !== "+n[i[1]]);},e.prototype.mergeFunction=function(t){if(2!==t.length)throw new d("A `Dot` layer must be called on exactly 2 inputs, but received "+t.length+" input(s).");var e,n=t[0],i=t[1];return e=Array.isArray(this.axes)?this.axes.map(function(e,n){return Gr(e,t[n].shape.length);}):[Gr(this.axes,n.shape.length),Gr(this.axes,i.shape.length)],this.normalize&&(n=Fe(n,e[0]),i=Fe(i,e[1])),function(t,e,n){if(t.shape.length>3||e.shape.length>3)throw new p("batchDot is not implemented for tensors of 4D or higher rank yet");if(r.util.assert(t.shape.length>=2,function(){return "batchDot requires the rank of x to be >= 2, but got "+t.shape.length;}),r.util.assert(t.shape.length>=2,function(){return "batchDot requires the rank of y to be >= 2, but got "+e.shape.length;}),"number"==typeof n&&(n=[n,n]),"complex64"===t.dtype||"complex64"===e.dtype)throw new p("batchDot is not implemented for complex64-type Tensors yet.");var i=t.shape.length,o=e.shape.length;null==n&&(n=[i-1,o-2]);var a=n;return Object(r.tidy)(function(){var n,r;if(i>o){n=i-o;for(var s=[],u=0;u<n;++u){s.push(1);}e=e.reshape(e.shape.concat(s));}else if(o>i){for(n=o-i,s=[],u=0;u<n;++u){s.push(1);}t=t.reshape(t.shape.concat(s));}else n=0;if(2===t.shape.length&&2===e.shape.length)r=a[0]===a[1]?t.mulStrict(e).sum(a[0]):t.transpose([1,0]).mulStrict(e).sum(a[1]);else {var c=a[0]!==t.shape.length-1,l=a[1]===e.shape.length-1;r=t.matMul(e,c,l);}if(n>0){var f,h=[];for(u=f=i>o?i+o-3:i-1;u<f+n;++u){h.push(u);}r=r.squeeze(h);}return 1===r.shape.length&&(r=r.expandDims(1)),r;});}(n,i,e);},e.prototype.interpretAxes=function(t,e){return Array.isArray(this.axes)?this.axes:[Gr(this.axes,t.length),Gr(this.axes,e.length)];},e.prototype.computeOutputShape=function(t){r.util.assert(Array.isArray(t)&&2===t.length&&Array.isArray(t[0])&&Array.isArray(t[1]),function(){return "A `Dot` layer should be called on a list of exactly 2 inputs.";});var e=t[0].slice(),n=t[1].slice();if(e.length>3||n.length>3)throw new p("Dot layer does not support tensors of 4D or higher rank yet.");var i=this.interpretAxes(e,n);e.splice(i[0],1),n.splice(i[1],1),n.splice(0,1);var o=e.concat(n);return 1===o.length&&o.push(1),o;},e.prototype.computeMask=function(t,e){return null;},e.prototype.getConfig=function(){var e={axes:this.axes,normalize:this.normalize},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="Dot",e;}(zr);r.serialization.registerClass(Kr);var Xr=function(t){function e(e){var n=t.call(this,e)||this;return n.supportsMasking=!0,n.stddev=e.stddev,n;}return o(e,t),e.prototype.computeOutputShape=function(t){return t;},e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this),n={stddev:this.stddev};return Object.assign(n,e),n;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var r=ne(t);return Ot(function(){return bt(r.shape,0,n.stddev).add(r);},function(){return r;},e.training||!1);});},e.className="GaussianNoise",e;}(pe);r.serialization.registerClass(Xr);var Yr=function(t){function e(e){var n=t.call(this,e)||this;return n.supportsMasking=!0,n.rate=e.rate,n;}return o(e,t),e.prototype.computeOutputShape=function(t){return t;},e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this),n={rate:this.rate};return Object.assign(n,e),n;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e);var r=ne(t);return n.rate>0&&n.rate<1?Ot(function(){var t=Math.sqrt(n.rate/(1-n.rate));return r.mul(bt(r.shape,1,t));},function(){return r;},e.training||!1):r;});},e.className="GaussianDropout",e;}(pe);r.serialization.registerClass(Yr);var Jr=function(t){function e(e){var n=t.call(this,e)||this;return n.supportsMasking=!0,n.rate=e.rate,n.noiseShape=e.noiseShape,n;}return o(e,t),e.prototype._getNoiseShape=function(t){return this.noiseShape||ne(t).shape;},e.prototype.computeOutputShape=function(t){return t;},e.prototype.getConfig=function(){var e=t.prototype.getConfig.call(this),n={rate:this.rate};return Object.assign(n,e),n;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){if(n.rate<1&&n.rate>0){var i=n._getNoiseShape(t);return Ot(function(){var e=ne(t),o=-1.7580993408473766,a=Object(r.greaterEqual)(Object(r.randomUniform)(i),n.rate);a=ft(a,"float32");var s=Math.pow((1-n.rate)*(1+n.rate*Math.pow(o,2)),-.5),u=-s*o*n.rate;return e.mul(a).add(a.add(-1).mul(o)).mul(s).add(u);},function(){return ne(t);},e.training||!1);}return t;});},e.className="AlphaDropout",e;}(pe);function Qr(t,e,n,i,o,a){var s;if(void 0===a&&(a=.001),2===t.rank)s=Object(r.batchNorm2d)(t,e,n,i,o,a);else if(3===t.rank)s=Object(r.batchNorm3d)(t,e,n,i,o,a);else {if(4!==t.rank)throw new p("batchNormalization is not implemented for array of rank "+t.rank+" yet");s=Object(r.batchNorm4d)(t,e,n,i,o,a);}return s;}function Zr(t,e,n,i,o){return void 0===o&&(o=.001),r.util.arraysEqual(i.slice().sort(),lt(0,t.rank-1))?function(t,e,n,i,o){return void 0===o&&(o=.001),Object(r.tidy)(function(){var a=Object(r.moments)(t,i),s=a.mean,u=a.variance;return [Qr(t,s,u,n,e,o),s,u];});}(t,e,n,i,o):function(t,e,n,i,o){return void 0===o&&(o=.001),Object(r.tidy)(function(){for(var a=Object(r.moments)(t,i),s=a.mean,u=a.variance,c=[],l=0,f=lt(0,t.rank);l<f.length;l++){var h=f[l];-1!==i.indexOf(h)?c.push(1):c.push(t.shape[h]);}var d=s.reshape(c),p=u.reshape(c),m=null==e?null:e.reshape(c),g=null==n?null:n.reshape(c);return [Qr(t,d,p,g,m,o),s,u];});}(t,e,n,i,o);}r.serialization.registerClass(Jr);var ti=function(t){function e(e){var n=this;return null==e&&(e={}),(n=t.call(this,e)||this).supportsMasking=!0,n.axis=null==e.axis?-1:e.axis,n.momentum=null==e.momentum?.99:e.momentum,n.epsilon=null==e.epsilon?.001:e.epsilon,n.center=null==e.center||e.center,n.scale=null==e.scale||e.scale,n.betaInitializer=Kt(e.betaInitializer||"zeros"),n.gammaInitializer=Kt(e.gammaInitializer||"ones"),n.movingMeanInitializer=Kt(e.movingMeanInitializer||"zeros"),n.movingVarianceInitializer=Kt(e.movingVarianceInitializer||"ones"),n.betaConstraint=W(e.betaConstraint),n.gammaConstraint=W(e.gammaConstraint),n.betaRegularizer=sr(e.betaRegularizer),n.gammaRegularizer=sr(e.gammaRegularizer),n;}return o(e,t),e.prototype.build=function(t){var e;t=re(t);var n=this.axis>=0?this.axis:this.axis+t.length,r=t[n];if(null==r)throw new d("Axis "+n+" of input tensor should have a defined dimension but the layer received an input with shape "+JSON.stringify(t)+".");this.inputSpec=[new ce({ndim:t.length,axes:(e={},e[n]=r,e)})];var i=[r];this.scale&&(this.gamma=this.addWeight("gamma",i,null,this.gammaInitializer,this.gammaRegularizer,!0,this.gammaConstraint)),this.center&&(this.beta=this.addWeight("beta",i,null,this.betaInitializer,this.betaRegularizer,!0,this.betaConstraint)),this.movingMean=this.addWeight("moving_mean",i,null,this.movingMeanInitializer,null,!1),this.movingVariance=this.addWeight("moving_variance",i,null,this.movingVarianceInitializer,null,!1),this.built=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var i=null!=e.training&&e.training,o=ne(t),a=o.shape,s=a.length,u=lt(0,s),c=n.axis>=0?n.axis:n.axis+s;u.splice(c,1);var l=g(1,s);l[c]=a[c];var f=u.slice();f.sort();var h=!r.util.arraysEqual(f,lt(0,s).slice(0,s-1));if(!i)return function(){if(h){var t=n.movingMean.read().reshape(l),e=n.movingVariance.read().reshape(l),r=n.center?n.beta.read().reshape(l):null,i=n.scale?n.gamma.read().reshape(l):null;return Qr(o,t,e,r,i,n.epsilon);}return Qr(o,n.movingMean.read(),n.movingVariance.read(),null==n.beta?null:n.beta.read(),null==n.gamma?null:n.gamma.read(),n.epsilon);}();var d=Zr(o,n.gamma.read(),n.beta.read(),u,n.epsilon),p=d[0],m=d[1],v=d[2],y=function y(t,e,n){Object(r.tidy)(function(){var r=1-n,i=t.read(),o=i.sub(e).mul(r);t.write(i.sub(o));});};return y(n.movingMean,m,n.momentum),y(n.movingVariance,v,n.momentum),p;});},e.prototype.getConfig=function(){var e={axis:this.axis,momentum:this.momentum,epsilon:this.epsilon,center:this.center,scale:this.scale,betaInitializer:Gt(this.betaInitializer),gammaInitializer:Gt(this.gammaInitializer),movingMeanInitializer:Gt(this.movingMeanInitializer),movingVarianceInitializer:Gt(this.movingVarianceInitializer),betaRegularizer:or(this.betaRegularizer),gammaRegularizer:or(this.gammaRegularizer),betaConstraint:z(this.betaConstraint),gammaConstraint:z(this.gammaConstraint)},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="BatchNormalization",e;}(pe);r.serialization.registerClass(ti);var ei=function(t){function e(e){var n=this;if(null==e&&(e={}),(n=t.call(this,e)||this).axis=null==e.axis?-1:e.axis,"number"==typeof n.axis){if(!Number.isInteger(n.axis))throw new Error("Expected axis to be an integer, but received "+n.axis);}else {if(!Array.isArray(n.axis))throw new Error("Expected axis to be an integer or an array of integers, but received "+JSON.stringify(n.axis));for(var r=0,i=n.axis;r<i.length;r++){var o=i[r];if(!Number.isInteger(o))throw new Error("Expected axis to be an array of integers, but received "+JSON.stringify(n.axis));}}return n.epsilon=null==e.epsilon?.001:e.epsilon,n.center=null==e.center||e.center,n.scale=null==e.scale||e.scale,n.betaInitializer=Kt(e.betaInitializer||"zeros"),n.gammaInitializer=Kt(e.gammaInitializer||"ones"),n.betaRegularizer=sr(e.betaRegularizer),n.gammaRegularizer=sr(e.gammaRegularizer),n.supportsMasking=!0,n;}return o(e,t),e.prototype.build=function(t){var e=(t=re(t)).length;"number"==typeof this.axis&&(this.axis=[this.axis]);for(var n=0;n<this.axis.length;++n){this.axis[n]<0&&(this.axis[n]+=e);}for(var r=0,i=this.axis;r<i.length;r++){var o=i[r];if(o<0||o>=e)throw new Error("Invalid axis: "+o);}if(this.axis.length!==_(this.axis).length)throw new Error("Found duplicate axes in: "+this.axis);var a=this.axis.map(function(e){return t[e];});this.scale?this.gamma=this.addWeight("gamma",a,"float32",this.gammaInitializer,this.gammaRegularizer,!0):this.gamma=null,this.center?this.beta=this.addWeight("beta",a,"float32",this.betaInitializer,this.betaRegularizer,!0):this.beta=null,this.built=!0;},e.prototype.call=function(t,e){var n=this,i=ne(t),o=i.shape,a=o.length;return Object(r.tidy)(function(){for(var t=Object(r.moments)(i,n.axis,!0),e=t.mean,s=t.variance,u=g(1,a),c=0,l=n.axis;c<l.length;c++){var f=l[c];u[f]=o[f];}for(var h=function h(t){return null!=t&&t.shape.length!==a&&n.axis!==[a-1]?t.reshape(u):t;},d=h(n.gamma.read()),p=h(n.beta.read()),m=[],v=[],y=0;y<a;++y){-1!==n.axis.indexOf(y)?(m.push(o[y]),v.push(1)):(m.push(1),v.push(o[y]));}return e=e.tile(m),s=s.tile(m),d=d.tile(v),p=p.tile(v),Qr(i,e,s,p,d,n.epsilon);});},e.prototype.getConfig=function(){var e={axis:this.axis,epsilon:this.epsilon,center:this.center,scale:this.scale,betaInitializer:Gt(this.betaInitializer),gammaInitializer:Gt(this.gammaInitializer),betaRegularizer:or(this.betaRegularizer),gammaRegularizer:or(this.gammaRegularizer)},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="LayerNormalization",e;}(pe);r.serialization.registerClass(ei);var ni=function(t){function e(e){var n=this;if(null==e&&(e={}),(n=t.call(this,e)||this).dataFormat=null==e.dataFormat?"channelsLast":e.dataFormat,null==e.padding)n.padding=[[1,1],[1,1]];else if("number"==typeof e.padding)n.padding=[[e.padding,e.padding],[e.padding,e.padding]];else {if(e.padding=e.padding,2!==e.padding.length)throw new d("ZeroPadding2D expects padding to be a length-2 array, but received a length-"+e.padding.length+" array.");var r=void 0,i=void 0;if("number"==typeof e.padding[0])r=[e.padding[0],e.padding[0]],i=[e.padding[1],e.padding[1]];else {if(e.padding=e.padding,2!==e.padding[0].length)throw new d("ZeroPadding2D expects height padding to be a length-2 array, but received a length-"+e.padding[0].length+" array.");if(r=e.padding[0],2!==e.padding[1].length)throw new d("ZeroPadding2D expects width padding to be a length-2 array, but received a length-"+e.padding[1].length+" array.");i=e.padding[1];}n.padding=[r,i];}return n.inputSpec=[new ce({ndim:4})],n;}return o(e,t),e.prototype.computeOutputShape=function(t){var e,n;return t=re(t),"channelsFirst"===this.dataFormat?(e=null!=t[2]&&t[2]>=0?t[2]+this.padding[0][0]+this.padding[0][1]:null,n=null!=t[3]&&t[3]>=0?t[3]+this.padding[1][0]+this.padding[1][1]:null,[t[0],t[1],e,n]):(e=null!=t[1]&&t[1]>=0?t[1]+this.padding[0][0]+this.padding[0][1]:null,n=null!=t[2]&&t[2]>=0?t[2]+this.padding[1][0]+this.padding[1][1]:null,[t[0],e,n,t[3]]);},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){return function(t,e,n){return Object(r.tidy)(function(){if(4!==t.rank)throw new d("temporalPadding expects input tensor to be 4-D, but received a "+t.rank+"-D tensor.");if(null==e&&(e=[[1,1],[1,1]]),2!==e.length||2!==e[0].length||2!==e[1].length)throw new d("spatial2dPadding expects `padding` to be an Array of two Arrays, each of which is an Array of two integers.");if(null==n&&(n="channelsLast"),"channelsLast"!==n&&"channelsFirst"!==n)throw new d("Unknown data format: "+n+". Supported data formats are 'channelsLast' and 'channelsFirst.");var i;return i="channelsFirst"===n?[[0,0],[0,0],e[0],e[1]]:[[0,0],e[0],e[1],[0,0]],Object(r.pad)(t,i);});}(ne(t),n.padding,n.dataFormat);});},e.prototype.getConfig=function(){var e={padding:this.padding,dataFormat:this.dataFormat},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="ZeroPadding2D",e;}(pe);function ri(t,e,n,i,o,a){return Object(r.tidy)(function(){var s;X(o),J(a),Y(i),null==n&&(n=[1,1]),null==i&&(i="valid"),null==o&&(o="channelsLast"),null==a&&(a="max"),t=vr(t,o);var u="same"===i?"same":"valid";return s="max"===a?Object(r.maxPool)(t,e,n,u):Object(r.avgPool)(t,e,n,u),"channelsFirst"===o&&(s=Object(r.transpose)(s,[0,3,1,2])),s;});}function ii(t,e,n,i,o,a){return Object(r.tidy)(function(){var s;X(o),J(a),Y(i),null==n&&(n=[1,1,1]),null==i&&(i="valid"),null==o&&(o="channelsLast"),null==a&&(a="max"),t=yr(t,o);var u="same"===i?"same":"valid";return s="max"===a?Object(r.maxPool3d)(t,e,n,u):Object(r.avgPool3d)(t,e,n,u),"channelsFirst"===o&&(s=Object(r.transpose)(s,[0,4,1,2,3])),s;});}r.serialization.registerClass(ni);var oi=function(t){function e(e){var n=this;if(null==e.poolSize&&(e.poolSize=2),n=t.call(this,e)||this,"number"==typeof e.poolSize)n.poolSize=[e.poolSize];else {if(!Array.isArray(e.poolSize)||1!==e.poolSize.length||"number"!=typeof e.poolSize[0])throw new d("poolSize for 1D convolutional layer must be a number or an Array of a single number, but received "+JSON.stringify(e.poolSize));n.poolSize=e.poolSize;}if(T(n.poolSize,"poolSize"),null==e.strides)n.strides=n.poolSize;else if("number"==typeof e.strides)n.strides=[e.strides];else {if(!Array.isArray(e.strides)||1!==e.strides.length||"number"!=typeof e.strides[0])throw new d("strides for 1D convolutional layer must be a number or an Array of a single number, but received "+JSON.stringify(e.strides));n.strides=e.strides;}return T(n.strides,"strides"),n.padding=null==e.padding?"valid":e.padding,Y(n.padding),n.inputSpec=[new ce({ndim:3})],n;}return o(e,t),e.prototype.computeOutputShape=function(t){var e=mr((t=re(t))[1],this.poolSize[0],this.padding,this.strides[0]);return [t[0],e,t[2]];},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){n.invokeCallHook(t,e),t=ht(ne(t),2);var i=n.poolingFunction(ne(t),[n.poolSize[0],1],[n.strides[0],1],n.padding,"channelsLast");return Object(r.squeeze)(i,[2]);});},e.prototype.getConfig=function(){var e={poolSize:this.poolSize,padding:this.padding,strides:this.strides},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e;}(pe),ai=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.poolingFunction=function(t,e,n,r,i){return X(i),Y(r),ri(t,e,n,r,i,"max");},e.className="MaxPooling1D",e;}(oi);r.serialization.registerClass(ai);var si=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.poolingFunction=function(t,e,n,r,i){return X(i),Y(r),ri(t,e,n,r,i,"avg");},e.className="AveragePooling1D",e;}(oi);r.serialization.registerClass(si);var ui=function(t){function e(e){var n=this;if(null==e.poolSize&&(e.poolSize=[2,2]),(n=t.call(this,e)||this).poolSize=Array.isArray(e.poolSize)?e.poolSize:[e.poolSize,e.poolSize],null==e.strides)n.strides=n.poolSize;else if(Array.isArray(e.strides)){if(2!==e.strides.length)throw new d("If the strides property of a 2D pooling layer is an Array, it is expected to have a length of 2, but received length "+e.strides.length+".");n.strides=e.strides;}else n.strides=[e.strides,e.strides];return T(n.poolSize,"poolSize"),T(n.strides,"strides"),n.padding=null==e.padding?"valid":e.padding,n.dataFormat=null==e.dataFormat?"channelsLast":e.dataFormat,X(n.dataFormat),Y(n.padding),n.inputSpec=[new ce({ndim:4})],n;}return o(e,t),e.prototype.computeOutputShape=function(t){t=re(t);var e="channelsFirst"===this.dataFormat?t[2]:t[1],n="channelsFirst"===this.dataFormat?t[3]:t[2];return e=mr(e,this.poolSize[0],this.padding,this.strides[0]),n=mr(n,this.poolSize[1],this.padding,this.strides[1]),"channelsFirst"===this.dataFormat?[t[0],t[1],e,n]:[t[0],e,n,t[3]];},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){return n.invokeCallHook(t,e),n.poolingFunction(ne(t),n.poolSize,n.strides,n.padding,n.dataFormat);});},e.prototype.getConfig=function(){var e={poolSize:this.poolSize,padding:this.padding,strides:this.strides,dataFormat:this.dataFormat},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e;}(pe),ci=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.poolingFunction=function(t,e,n,r,i){return X(i),Y(r),ri(t,e,n,r,i,"max");},e.className="MaxPooling2D",e;}(ui);r.serialization.registerClass(ci);var li=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.poolingFunction=function(t,e,n,r,i){return X(i),Y(r),ri(t,e,n,r,i,"avg");},e.className="AveragePooling2D",e;}(ui);r.serialization.registerClass(li);var fi=function(t){function e(e){var n=this;if(null==e.poolSize&&(e.poolSize=[2,2,2]),(n=t.call(this,e)||this).poolSize=Array.isArray(e.poolSize)?e.poolSize:[e.poolSize,e.poolSize,e.poolSize],null==e.strides)n.strides=n.poolSize;else if(Array.isArray(e.strides)){if(3!==e.strides.length)throw new d("If the strides property of a 3D pooling layer is an Array, it is expected to have a length of 3, but received length "+e.strides.length+".");n.strides=e.strides;}else n.strides=[e.strides,e.strides,e.strides];return T(n.poolSize,"poolSize"),T(n.strides,"strides"),n.padding=null==e.padding?"valid":e.padding,n.dataFormat=null==e.dataFormat?"channelsLast":e.dataFormat,X(n.dataFormat),Y(n.padding),n.inputSpec=[new ce({ndim:5})],n;}return o(e,t),e.prototype.computeOutputShape=function(t){t=re(t);var e="channelsFirst"===this.dataFormat?t[2]:t[1],n="channelsFirst"===this.dataFormat?t[3]:t[2],r="channelsFirst"===this.dataFormat?t[4]:t[3];return e=mr(e,this.poolSize[0],this.padding,this.strides[0]),n=mr(n,this.poolSize[1],this.padding,this.strides[1]),r=mr(r,this.poolSize[2],this.padding,this.strides[2]),"channelsFirst"===this.dataFormat?[t[0],t[1],e,n,r]:[t[0],e,n,r,t[4]];},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){return n.invokeCallHook(t,e),n.poolingFunction(ne(t),n.poolSize,n.strides,n.padding,n.dataFormat);});},e.prototype.getConfig=function(){var e={poolSize:this.poolSize,padding:this.padding,strides:this.strides,dataFormat:this.dataFormat},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e;}(pe),hi=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.poolingFunction=function(t,e,n,r,i){return X(i),Y(r),ii(t,e,n,r,i,"max");},e.className="MaxPooling3D",e;}(fi);r.serialization.registerClass(hi);var di=function(t){function e(e){return t.call(this,e)||this;}return o(e,t),e.prototype.poolingFunction=function(t,e,n,r,i){return X(i),Y(r),ii(t,e,n,r,i,"avg");},e.className="AveragePooling3D",e;}(fi);r.serialization.registerClass(di);var pi=function(t){function e(e){var n=t.call(this,e)||this;return n.inputSpec=[new ce({ndim:3})],n;}return o(e,t),e.prototype.computeOutputShape=function(t){return [t[0],t[2]];},e.prototype.call=function(t,e){throw new p();},e;}(pe),mi=function(t){function e(e){return t.call(this,e||{})||this;}return o(e,t),e.prototype.call=function(t,e){return Object(r.tidy)(function(){var e=ne(t);return Object(r.mean)(e,1);});},e.className="GlobalAveragePooling1D",e;}(pi);r.serialization.registerClass(mi);var gi=function(t){function e(e){return t.call(this,e||{})||this;}return o(e,t),e.prototype.call=function(t,e){return Object(r.tidy)(function(){var e=ne(t);return Object(r.max)(e,1);});},e.className="GlobalMaxPooling1D",e;}(pi);r.serialization.registerClass(gi);var vi=function(t){function e(e){var n=t.call(this,e)||this;return n.dataFormat=null==e.dataFormat?"channelsLast":e.dataFormat,X(n.dataFormat),n.inputSpec=[new ce({ndim:4})],n;}return o(e,t),e.prototype.computeOutputShape=function(t){return t=t,"channelsLast"===this.dataFormat?[t[0],t[3]]:[t[0],t[1]];},e.prototype.call=function(t,e){throw new p();},e.prototype.getConfig=function(){var e={dataFormat:this.dataFormat},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e;}(pe),yi=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var e=ne(t);return "channelsLast"===n.dataFormat?Object(r.mean)(e,[1,2]):Object(r.mean)(e,[2,3]);});},e.className="GlobalAveragePooling2D",e;}(vi);r.serialization.registerClass(yi);var bi=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var e=ne(t);return "channelsLast"===n.dataFormat?Object(r.max)(e,[1,2]):Object(r.max)(e,[2,3]);});},e.className="GlobalMaxPooling2D",e;}(vi);function xi(t,e,n,r){if(Array.isArray(t)){if(null!=e||null!=n)throw new d("When inputs is an array, neither initialState or constants should be provided");null!=r&&(n=t.slice(t.length-r,t.length),t=t.slice(0,t.length-r)),t.length>1&&(e=t.slice(1,t.length)),t=t[0];}function i(t){return null==t||Array.isArray(t)?t:[t];}return {inputs:t,initialState:e=i(e),constants:n=i(n)};}function wi(t,e,n,i,o,a,s,u){return void 0===i&&(i=!1),void 0===s&&(s=!1),void 0===u&&(u=!1),Object(r.tidy)(function(){var c=e.shape.length;if(c<3)throw new d("Input should be at least 3D, but is "+c+"D.");var l=[1,0].concat(lt(2,c));if(e=Object(r.transpose)(e,l),null!=a)throw new p("The rnn() functoin of the deeplearn.js backend does not support constants yet.");s&&console.warn("Backend rnn(): the unroll = true option is not applicable to the imperative deeplearn.js backend."),null!=o&&((o=o.asType("bool").asType("float32")).rank===c-1&&(o=Object(r.expandDims)(o,-1)),o=Object(r.transpose)(o,l)),i&&(e=Object(r.reverse)(e,0),null!=o&&(o=Object(r.reverse)(o,0)));var f,h,m=[],g=n,v=e.shape[0],y=Object(r.unstack)(e);null!=o&&(h=Object(r.unstack)(o));for(var b,x=function x(e){var n=y[e],i=Object(r.tidy)(function(){return t(n,g);});if(null==o)f=i[0],g=i[1];else {var a=Object(r.tidy)(function(){var t=h[e],n=Object(r.onesLike)(t).sub(t);return {output:i[0].mul(t).addStrict(g[0].mul(n)),newStates:g.map(function(e,r){return i[1][r].mul(t).addStrict(e.mul(n));})};});f=a.output,g=a.newStates;}u&&m.push(f);},w=0;w<v;++w){x(w);}return u&&(b=Object(r.stack)(m,1)),[f,b,g];});}r.serialization.registerClass(bi);var ki=function(t){function e(e){var n,r=t.call(this,e)||this;if(null==e.cell)throw new d("cell property is missing for the constructor of RNN.");if(null==(n=Array.isArray(e.cell)?new Fi({cells:e.cell}):e.cell).stateSize)throw new d("The RNN cell should have an attribute `stateSize` (tuple of integers, one integer per RNN state).");return r.cell=n,r.returnSequences=null!=e.returnSequences&&e.returnSequences,r.returnState=null!=e.returnState&&e.returnState,r.goBackwards=null!=e.goBackwards&&e.goBackwards,r._stateful=null!=e.stateful&&e.stateful,r.unroll=null!=e.unroll&&e.unroll,r.supportsMasking=!0,r.inputSpec=[new ce({ndim:3})],r.stateSpec=null,r.states_=null,r.numConstants=null,r.keptStates=[],r;}return o(e,t),e.prototype.getStates=function(){return null==this.states_?lt(0,Array.isArray(this.cell.stateSize)?this.cell.stateSize.length:1).map(function(t){return null;}):this.states_;},e.prototype.setStates=function(t){this.states_=t;},e.prototype.computeOutputShape=function(t){te(t)&&(t=t[0]),t=t;var e=this.cell.stateSize;Array.isArray(e)||(e=[e]);var n,r=e[0];if(n=this.returnSequences?[t[0],t[1],r]:[t[0],r],this.returnState){for(var i=[],o=0,a=e;o<a.length;o++){var s=a[o];i.push([t[0],s]);}return [n].concat(i);}return n;},e.prototype.computeMask=function(t,e){var n=this;return Object(r.tidy)(function(){Array.isArray(e)&&(e=e[0]);var t=n.returnSequences?e:null;if(n.returnState){var r=n.states.map(function(t){return null;});return [t].concat(r);}return t;});},Object.defineProperty(e.prototype,"states",{get:function get(){if(null==this.states_){for(var t=Array.isArray(this.cell.stateSize)?this.cell.stateSize.length:1,e=[],n=0;n<t;++n){e.push(null);}return e;}return this.states_;},set:function set(t){this.states_=t;},enumerable:!0,configurable:!0}),e.prototype.build=function(t){if(null!=this.numConstants)throw new p("Constants support is not implemented in RNN yet.");te(t)&&(t=t[0]),t=t;var e=this.stateful?t[0]:null,n=t[t.length-1];this.inputSpec[0]=new ce({shape:[e,null,n]});var i,o=[t[0]].concat(t.slice(2));if(this.cell.build(o),i=Array.isArray(this.cell.stateSize)?this.cell.stateSize:[this.cell.stateSize],null!=this.stateSpec){if(!r.util.arraysEqual(this.stateSpec.map(function(t){return t.shape[t.shape.length-1];}),i))throw new d("An initialState was passed that is not compatible with cell.stateSize. Received stateSpec="+this.stateSpec+"; However cell.stateSize is "+this.cell.stateSize);}else this.stateSpec=i.map(function(t){return new ce({shape:[null,t]});});this.stateful&&this.resetStates();},e.prototype.resetStates=function(t,e){var n=this;void 0===e&&(e=!1),Object(r.tidy)(function(){if(!n.stateful)throw new f("Cannot call resetStates() on an RNN Layer that is not stateful.");var i=n.inputSpec[0].shape[0];if(null==i)throw new d("If an RNN is stateful, it needs to know its batch size. Specify the batch size of your input tensors: \n- If using a Sequential model, specify the batch size by passing a `batchInputShape` option to your first layer.\n- If using the functional API, specify the batch size by passing a `batchShape` option to your Input layer.");if(null==n.states_)Array.isArray(n.cell.stateSize)?n.states_=n.cell.stateSize.map(function(t){return Object(r.zeros)([i,t]);}):n.states_=[Object(r.zeros)([i,n.cell.stateSize])];else if(null==t)Object(r.dispose)(n.states_),null!=n.keptStates&&(Object(r.dispose)(n.keptStates),n.keptStates=[]),Array.isArray(n.cell.stateSize)?n.states_=n.cell.stateSize.map(function(t){return Object(r.zeros)([i,t]);}):n.states_[0]=Object(r.zeros)([i,n.cell.stateSize]);else {if(Array.isArray(t)||(t=[t]),t.length!==n.states_.length)throw new d("Layer "+n.name+" expects "+n.states_.length+" state(s), but it received "+t.length+" state value(s). Input received: "+t);!0===e?n.keptStates.push(n.states_.slice()):Object(r.dispose)(n.states_);for(var o=0;o<n.states_.length;++o){var a=t[o],s=Array.isArray(n.cell.stateSize)?n.cell.stateSize[o]:n.cell.stateSize,u=[i,s];if(!r.util.arraysEqual(a.shape,u))throw new d("State "+o+" is incompatible with layer "+n.name+": expected shape="+u+", received shape="+a.shape);n.states_[o]=a;}}n.states_=n.states_.map(function(t){return Object(r.keep)(t.clone());});});},e.prototype.apply=function(e,n){var r=null==n?null:n.initialState,i=null==n?null:n.constants;null==n&&(n={});var o=xi(e,r,i,this.numConstants);e=o.inputs,r=o.initialState,i=o.constants;var a=[],s=[];if(null!=r){n.initialState=r,a=a.concat(r),this.stateSpec=[];for(var u=0,c=r;u<c.length;u++){var l=c[u];this.stateSpec.push(new ce({shape:l.shape}));}s=s.concat(this.stateSpec);}if(null!=i&&(n.constants=i,a=a.concat(i),this.numConstants=i.length),a[0]instanceof le){var f=[e].concat(a),h=this.inputSpec.concat(s),d=this.inputSpec;this.inputSpec=h;var p=t.prototype.apply.call(this,f,n);return this.inputSpec=d,p;}return t.prototype.apply.call(this,e,n);},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var r=null==e?null:e.mask,i=null==e?null:e.training,o=null==e?null:e.initialState;t=ne(t),null==o&&(o=n.stateful?n.states_:n.getInitialState(t));var a=Array.isArray(n.cell.stateSize)?n.cell.stateSize.length:1;if(o.length!==a)throw new d("RNN Layer has "+a+" state(s) but was passed "+o.length+" initial state(s).");n.unroll&&console.warn("Ignoring unroll = true for RNN layer, due to imperative backend.");var s={training:i},u=wi(function(t,e){var r=n.cell.call([t].concat(e),s);return [r[0],r.slice(1)];},t,o,n.goBackwards,r,null,n.unroll,n.returnSequences),c=u[0],l=u[1],f=u[2];n.stateful&&n.resetStates(f,i);var h=n.returnSequences?l:c;return n.returnState?[h].concat(f):h;});},e.prototype.getInitialState=function(t){var e=this;return Object(r.tidy)(function(){var n=Object(r.zeros)(t.shape);return n=ht(n=Object(r.sum)(n,[1,2])),Array.isArray(e.cell.stateSize)?e.cell.stateSize.map(function(t){return t>1?yt(n,[1,t]):n;}):e.cell.stateSize>1?[yt(n,[1,e.cell.stateSize])]:[n];});},Object.defineProperty(e.prototype,"trainableWeights",{get:function get(){return this.trainable?this.cell.trainableWeights:[];},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"nonTrainableWeights",{get:function get(){return this.trainable?this.cell.nonTrainableWeights:this.cell.weights;},enumerable:!0,configurable:!0}),e.prototype.setFastWeightInitDuringBuild=function(e){t.prototype.setFastWeightInitDuringBuild.call(this,e),null!=this.cell&&this.cell.setFastWeightInitDuringBuild(e);},e.prototype.getConfig=function(){var e={returnSequences:this.returnSequences,returnState:this.returnState,goBackwards:this.goBackwards,stateful:this.stateful,unroll:this.unroll};null!=this.numConstants&&(e.numConstants=this.numConstants);var n=this.cell.getConfig();e.cell={className:this.cell.getClassName(),config:n};var r=t.prototype.getConfig.call(this);return Object.assign(e,r),e;},e.fromConfig=function(t,e,n){void 0===n&&(n={});var r=De(e.cell,n);return new t(Object.assign(e,{cell:r}));},e.className="RNN",e;}(pe);r.serialization.registerClass(ki);var Ei=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e;}(pe),Ci=function(t){function e(e){var n=t.call(this,e)||this;return n.DEFAULT_ACTIVATION="tanh",n.DEFAULT_KERNEL_INITIALIZER="glorotNormal",n.DEFAULT_RECURRENT_INITIALIZER="orthogonal",n.DEFAULT_BIAS_INITIALIZER="zeros",n.units=e.units,T(n.units,"units"),n.activation=tr(null==e.activation?n.DEFAULT_ACTIVATION:e.activation),n.useBias=null==e.useBias||e.useBias,n.kernelInitializer=Kt(e.kernelInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.recurrentInitializer=Kt(e.recurrentInitializer||n.DEFAULT_RECURRENT_INITIALIZER),n.biasInitializer=Kt(e.biasInitializer||n.DEFAULT_BIAS_INITIALIZER),n.kernelRegularizer=sr(e.kernelRegularizer),n.recurrentRegularizer=sr(e.recurrentRegularizer),n.biasRegularizer=sr(e.biasRegularizer),n.kernelConstraint=W(e.kernelConstraint),n.recurrentConstraint=W(e.recurrentConstraint),n.biasConstraint=W(e.biasConstraint),n.dropout=ut([1,ct([0,null==e.dropout?0:e.dropout])]),n.recurrentDropout=ut([1,ct([0,null==e.recurrentDropout?0:e.recurrentDropout])]),n.stateSize=n.units,n.dropoutMask=null,n.recurrentDropoutMask=null,n;}return o(e,t),e.prototype.build=function(t){t=re(t),this.kernel=this.addWeight("kernel",[t[t.length-1],this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,this.units],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias?this.bias=this.addWeight("bias",[this.units],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){if(2!==(t=t).length)throw new d("SimpleRNNCell expects 2 input Tensors, got "+t.length+".");var i=t[1];t=t[0];var o,a=null!=e.training&&e.training;0<n.dropout&&n.dropout<1&&null==n.dropoutMask&&(n.dropoutMask=Ti(function(){return Object(r.onesLike)(t);},n.dropout,a)),0<n.recurrentDropout&&n.recurrentDropout<1&&null==n.recurrentDropoutMask&&(n.recurrentDropoutMask=Ti(function(){return Object(r.onesLike)(i);},n.recurrentDropout,a));var s=n.dropoutMask,u=n.recurrentDropoutMask;o=xt(null!=s?Object(r.mul)(t,s):t,n.kernel.read()),null!=n.bias&&(o=Ct(o,n.bias.read())),null!=u&&(i=Object(r.mul)(i,u));var c=Object(r.add)(o,xt(i,n.recurrentKernel.read()));return null!=n.activation&&(c=n.activation.apply(c)),[c,c];});},e.prototype.getConfig=function(){var e={units:this.units,activation:Qn(this.activation),useBias:this.useBias,kernelInitializer:Gt(this.kernelInitializer),recurrentInitializer:Gt(this.recurrentInitializer),biasInitializer:Gt(this.biasInitializer),kernelRegularizer:or(this.kernelRegularizer),recurrentRegularizer:or(this.recurrentRegularizer),biasRegularizer:or(this.biasRegularizer),activityRegularizer:or(this.activityRegularizer),kernelConstraint:z(this.kernelConstraint),recurrentConstraint:z(this.recurrentConstraint),biasConstraint:z(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="SimpleRNNCell",e;}(Ei);r.serialization.registerClass(Ci);var Ai=function(t){function e(e){return e.cell=new Ci(e),t.call(this,e)||this;}return o(e,t),e.prototype.call=function(e,n){var i=this;return Object(r.tidy)(function(){null!=i.cell.dropoutMask&&(Object(r.dispose)(i.cell.dropoutMask),i.cell.dropoutMask=null),null!=i.cell.recurrentDropoutMask&&(Object(r.dispose)(i.cell.recurrentDropoutMask),i.cell.recurrentDropoutMask=null);var o=null==n?null:n.mask,a=null==n?null:n.training,s=null==n?null:n.initialState;return t.prototype.call.call(i,e,{mask:o,training:a,initialState:s});});},Object.defineProperty(e.prototype,"units",{get:function get(){return this.cell.units;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"activation",{get:function get(){return this.cell.activation;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"useBias",{get:function get(){return this.cell.useBias;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelInitializer",{get:function get(){return this.cell.kernelInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentInitializer",{get:function get(){return this.cell.recurrentInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasInitializer",{get:function get(){return this.cell.biasInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelRegularizer",{get:function get(){return this.cell.kernelRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentRegularizer",{get:function get(){return this.cell.recurrentRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasRegularizer",{get:function get(){return this.cell.biasRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelConstraint",{get:function get(){return this.cell.kernelConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentConstraint",{get:function get(){return this.cell.recurrentConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasConstraint",{get:function get(){return this.cell.biasConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"dropout",{get:function get(){return this.cell.dropout;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentDropout",{get:function get(){return this.cell.recurrentDropout;},enumerable:!0,configurable:!0}),e.prototype.getConfig=function(){var e={units:this.units,activation:Qn(this.activation),useBias:this.useBias,kernelInitializer:Gt(this.kernelInitializer),recurrentInitializer:Gt(this.recurrentInitializer),biasInitializer:Gt(this.biasInitializer),kernelRegularizer:or(this.kernelRegularizer),recurrentRegularizer:or(this.recurrentRegularizer),biasRegularizer:or(this.biasRegularizer),activityRegularizer:or(this.activityRegularizer),kernelConstraint:z(this.kernelConstraint),recurrentConstraint:z(this.recurrentConstraint),biasConstraint:z(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout},n=t.prototype.getConfig.call(this);return delete n.cell,Object.assign(e,n),e;},e.fromConfig=function(t,e){return new t(e);},e.className="SimpleRNN",e;}(ki);r.serialization.registerClass(Ai);var Oi=function(t){function e(e){var n=t.call(this,e)||this;return n.DEFAULT_ACTIVATION="tanh",n.DEFAULT_RECURRENT_ACTIVATION="hardSigmoid",n.DEFAULT_KERNEL_INITIALIZER="glorotNormal",n.DEFAULT_RECURRENT_INITIALIZER="orthogonal",n.DEFAULT_BIAS_INITIALIZER="zeros",n.units=e.units,T(n.units,"units"),n.activation=tr(void 0===e.activation?n.DEFAULT_ACTIVATION:e.activation),n.recurrentActivation=tr(void 0===e.recurrentActivation?n.DEFAULT_RECURRENT_ACTIVATION:e.recurrentActivation),n.useBias=null==e.useBias||e.useBias,n.kernelInitializer=Kt(e.kernelInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.recurrentInitializer=Kt(e.recurrentInitializer||n.DEFAULT_RECURRENT_INITIALIZER),n.biasInitializer=Kt(e.biasInitializer||n.DEFAULT_BIAS_INITIALIZER),n.kernelRegularizer=sr(e.kernelRegularizer),n.recurrentRegularizer=sr(e.recurrentRegularizer),n.biasRegularizer=sr(e.biasRegularizer),n.kernelConstraint=W(e.kernelConstraint),n.recurrentConstraint=W(e.recurrentConstraint),n.biasConstraint=W(e.biasConstraint),n.dropout=ut([1,ct([0,null==e.dropout?0:e.dropout])]),n.recurrentDropout=ut([1,ct([0,null==e.recurrentDropout?0:e.recurrentDropout])]),n.implementation=e.implementation,n.stateSize=n.units,n.dropoutMask=null,n.recurrentDropoutMask=null,n;}return o(e,t),e.prototype.build=function(t){var e=(t=re(t))[t.length-1];this.kernel=this.addWeight("kernel",[e,3*this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,3*this.units],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias?this.bias=this.addWeight("bias",[3*this.units],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){if(2!==(t=t).length)throw new d("GRUCell expects 2 input Tensors (inputs, h, c), got "+t.length+".");var i=null!=e.training&&e.training,o=t[1];t=t[0],0<n.dropout&&n.dropout<1&&null==n.dropoutMask&&(n.dropoutMask=Ti(function(){return Object(r.onesLike)(t);},n.dropout,i,3)),0<n.recurrentDropout&&n.recurrentDropout<1&&null==n.recurrentDropoutMask&&(n.recurrentDropoutMask=Ti(function(){return Object(r.onesLike)(o);},n.recurrentDropout,i,3));var a,s,u,c=n.dropoutMask,l=n.recurrentDropoutMask;0<n.dropout&&n.dropout<1&&(t=Object(r.mul)(t,c[0]));var f=xt(t,n.kernel.read());n.useBias&&(f=Ct(f,n.bias.read())),0<n.recurrentDropout&&n.recurrentDropout<1&&(o=Object(r.mul)(o,l[0]));var h=n.recurrentKernel.read(),p=Object(r.split)(h,[2*n.units,n.units],h.rank-1),m=p[0],g=p[1],v=xt(o,m),y=Object(r.split)(f,3,f.rank-1),b=y[0],x=y[1],w=y[2],k=Object(r.split)(v,2,v.rank-1),E=k[0],C=k[1];a=n.recurrentActivation.apply(Object(r.add)(b,E)),s=n.recurrentActivation.apply(Object(r.add)(x,C));var A=xt(Object(r.mul)(s,o),g);u=n.activation.apply(Object(r.add)(w,A));var O=Object(r.add)(Object(r.mul)(a,o),Object(r.mul)(Object(r.add)(1,Object(r.neg)(a)),u));return [O,O];});},e.prototype.getConfig=function(){var e={units:this.units,activation:Qn(this.activation),recurrentActivation:Qn(this.recurrentActivation),useBias:this.useBias,kernelInitializer:Gt(this.kernelInitializer),recurrentInitializer:Gt(this.recurrentInitializer),biasInitializer:Gt(this.biasInitializer),kernelRegularizer:or(this.kernelRegularizer),recurrentRegularizer:or(this.recurrentRegularizer),biasRegularizer:or(this.biasRegularizer),activityRegularizer:or(this.activityRegularizer),kernelConstraint:z(this.kernelConstraint),recurrentConstraint:z(this.recurrentConstraint),biasConstraint:z(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="GRUCell",e;}(Ei);r.serialization.registerClass(Oi);var _i=function(t){function e(e){return 0===e.implementation&&console.warn("`implementation=0` has been deprecated, and now defaults to `implementation=1`. Please update your layer call."),e.cell=new Oi(e),t.call(this,e)||this;}return o(e,t),e.prototype.call=function(e,n){var i=this;return Object(r.tidy)(function(){null!=i.cell.dropoutMask&&(Object(r.dispose)(i.cell.dropoutMask),i.cell.dropoutMask=null),null!=i.cell.recurrentDropoutMask&&(Object(r.dispose)(i.cell.recurrentDropoutMask),i.cell.recurrentDropoutMask=null);var o=null==n?null:n.mask,a=null==n?null:n.training,s=null==n?null:n.initialState;return t.prototype.call.call(i,e,{mask:o,training:a,initialState:s});});},Object.defineProperty(e.prototype,"units",{get:function get(){return this.cell.units;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"activation",{get:function get(){return this.cell.activation;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentActivation",{get:function get(){return this.cell.recurrentActivation;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"useBias",{get:function get(){return this.cell.useBias;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelInitializer",{get:function get(){return this.cell.kernelInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentInitializer",{get:function get(){return this.cell.recurrentInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasInitializer",{get:function get(){return this.cell.biasInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelRegularizer",{get:function get(){return this.cell.kernelRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentRegularizer",{get:function get(){return this.cell.recurrentRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasRegularizer",{get:function get(){return this.cell.biasRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelConstraint",{get:function get(){return this.cell.kernelConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentConstraint",{get:function get(){return this.cell.recurrentConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasConstraint",{get:function get(){return this.cell.biasConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"dropout",{get:function get(){return this.cell.dropout;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentDropout",{get:function get(){return this.cell.recurrentDropout;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"implementation",{get:function get(){return this.cell.implementation;},enumerable:!0,configurable:!0}),e.prototype.getConfig=function(){var e={units:this.units,activation:Qn(this.activation),recurrentActivation:Qn(this.recurrentActivation),useBias:this.useBias,kernelInitializer:Gt(this.kernelInitializer),recurrentInitializer:Gt(this.recurrentInitializer),biasInitializer:Gt(this.biasInitializer),kernelRegularizer:or(this.kernelRegularizer),recurrentRegularizer:or(this.recurrentRegularizer),biasRegularizer:or(this.biasRegularizer),activityRegularizer:or(this.activityRegularizer),kernelConstraint:z(this.kernelConstraint),recurrentConstraint:z(this.recurrentConstraint),biasConstraint:z(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation},n=t.prototype.getConfig.call(this);return delete n.cell,Object.assign(e,n),e;},e.fromConfig=function(t,e){return 0===e.implmentation&&(e.implementation=1),new t(e);},e.className="GRU",e;}(ki);r.serialization.registerClass(_i);var Si=function(t){function e(e){var n=t.call(this,e)||this;return n.DEFAULT_ACTIVATION="tanh",n.DEFAULT_RECURRENT_ACTIVATION="hardSigmoid",n.DEFAULT_KERNEL_INITIALIZER="glorotNormal",n.DEFAULT_RECURRENT_INITIALIZER="orthogonal",n.DEFAULT_BIAS_INITIALIZER="zeros",n.units=e.units,T(n.units,"units"),n.activation=tr(void 0===e.activation?n.DEFAULT_ACTIVATION:e.activation),n.recurrentActivation=tr(void 0===e.recurrentActivation?n.DEFAULT_RECURRENT_ACTIVATION:e.recurrentActivation),n.useBias=null==e.useBias||e.useBias,n.kernelInitializer=Kt(e.kernelInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.recurrentInitializer=Kt(e.recurrentInitializer||n.DEFAULT_RECURRENT_INITIALIZER),n.biasInitializer=Kt(e.biasInitializer||n.DEFAULT_BIAS_INITIALIZER),n.unitForgetBias=e.unitForgetBias,n.kernelRegularizer=sr(e.kernelRegularizer),n.recurrentRegularizer=sr(e.recurrentRegularizer),n.biasRegularizer=sr(e.biasRegularizer),n.kernelConstraint=W(e.kernelConstraint),n.recurrentConstraint=W(e.recurrentConstraint),n.biasConstraint=W(e.biasConstraint),n.dropout=ut([1,ct([0,null==e.dropout?0:e.dropout])]),n.recurrentDropout=ut([1,ct([0,null==e.recurrentDropout?0:e.recurrentDropout])]),n.implementation=e.implementation,n.stateSize=[n.units,n.units],n.dropoutMask=null,n.recurrentDropoutMask=null,n;}return o(e,t),e.prototype.build=function(t){var e,n,r=(t=re(t))[t.length-1];if(this.kernel=this.addWeight("kernel",[r,4*this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,4*this.units],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias){if(this.unitForgetBias){var i=this.biasInitializer,a=this.units;n=new((e=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return o(e,t),e.prototype.apply=function(t,e){var n=i.apply([a]),r=new Tt().apply([a]),o=i.apply([2*a]);return vt(vt(n,r),o);},e;}(Dt)).className="CustomInit",e)();}else n=this.biasInitializer;this.bias=this.addWeight("bias",[4*this.units],null,n,this.biasRegularizer,!0,this.biasConstraint);}else this.bias=null;this.built=!0;},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){var i=null!=e.training&&e.training;if(3!==(t=t).length)throw new d("LSTMCell expects 3 input Tensors (inputs, h, c), got "+t.length+".");var o=t[1],a=t[2];t=t[0],0<n.dropout&&n.dropout<1&&null==n.dropoutMask&&(n.dropoutMask=Ti(function(){return Object(r.onesLike)(t);},n.dropout,i,4)),0<n.recurrentDropout&&n.recurrentDropout<1&&null==n.recurrentDropoutMask&&(n.recurrentDropoutMask=Ti(function(){return Object(r.onesLike)(o);},n.recurrentDropout,i,4));var s,u,c,l,f=n.dropoutMask,h=n.recurrentDropoutMask;0<n.dropout&&n.dropout<1&&(t=Object(r.mul)(t,f[0]));var p=xt(t,n.kernel.read());0<n.recurrentDropout&&n.recurrentDropout<1&&(o=Object(r.mul)(o,h[0])),p=Object(r.add)(p,xt(o,n.recurrentKernel.read())),n.useBias&&(p=Ct(p,n.bias.read()));var m=Object(r.split)(p,4,p.rank-1),g=m[0],v=m[1],y=m[2],b=m[3];s=n.recurrentActivation.apply(g),u=n.recurrentActivation.apply(v),c=Object(r.add)(Object(r.mul)(u,a),Object(r.mul)(s,n.activation.apply(y))),l=n.recurrentActivation.apply(b);var x=Object(r.mul)(l,n.activation.apply(c));return [x,x,c];});},e.prototype.getConfig=function(){var e={units:this.units,activation:Qn(this.activation),recurrentActivation:Qn(this.recurrentActivation),useBias:this.useBias,kernelInitializer:Gt(this.kernelInitializer),recurrentInitializer:Gt(this.recurrentInitializer),biasInitializer:Gt(this.biasInitializer),unitForgetBias:this.unitForgetBias,kernelRegularizer:or(this.kernelRegularizer),recurrentRegularizer:or(this.recurrentRegularizer),biasRegularizer:or(this.biasRegularizer),activityRegularizer:or(this.activityRegularizer),kernelConstraint:z(this.kernelConstraint),recurrentConstraint:z(this.recurrentConstraint),biasConstraint:z(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.className="LSTMCell",e;}(Ei);r.serialization.registerClass(Si);var Di=function(t){function e(e){return 0===e.implementation&&console.warn("`implementation=0` has been deprecated, and now defaults to `implementation=1`. Please update your layer call."),e.cell=new Si(e),t.call(this,e)||this;}return o(e,t),e.prototype.call=function(e,n){var i=this;return Object(r.tidy)(function(){null!=i.cell.dropoutMask&&(Object(r.dispose)(i.cell.dropoutMask),i.cell.dropoutMask=null),null!=i.cell.recurrentDropoutMask&&(Object(r.dispose)(i.cell.recurrentDropoutMask),i.cell.recurrentDropoutMask=null);var o=null==n?null:n.mask,a=null==n?null:n.training,s=null==n?null:n.initialState;return t.prototype.call.call(i,e,{mask:o,training:a,initialState:s});});},Object.defineProperty(e.prototype,"units",{get:function get(){return this.cell.units;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"activation",{get:function get(){return this.cell.activation;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentActivation",{get:function get(){return this.cell.recurrentActivation;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"useBias",{get:function get(){return this.cell.useBias;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelInitializer",{get:function get(){return this.cell.kernelInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentInitializer",{get:function get(){return this.cell.recurrentInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasInitializer",{get:function get(){return this.cell.biasInitializer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"unitForgetBias",{get:function get(){return this.cell.unitForgetBias;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelRegularizer",{get:function get(){return this.cell.kernelRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentRegularizer",{get:function get(){return this.cell.recurrentRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasRegularizer",{get:function get(){return this.cell.biasRegularizer;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"kernelConstraint",{get:function get(){return this.cell.kernelConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentConstraint",{get:function get(){return this.cell.recurrentConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"biasConstraint",{get:function get(){return this.cell.biasConstraint;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"dropout",{get:function get(){return this.cell.dropout;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"recurrentDropout",{get:function get(){return this.cell.recurrentDropout;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"implementation",{get:function get(){return this.cell.implementation;},enumerable:!0,configurable:!0}),e.prototype.getConfig=function(){var e={units:this.units,activation:Qn(this.activation),recurrentActivation:Qn(this.recurrentActivation),useBias:this.useBias,kernelInitializer:Gt(this.kernelInitializer),recurrentInitializer:Gt(this.recurrentInitializer),biasInitializer:Gt(this.biasInitializer),unitForgetBias:this.unitForgetBias,kernelRegularizer:or(this.kernelRegularizer),recurrentRegularizer:or(this.recurrentRegularizer),biasRegularizer:or(this.biasRegularizer),activityRegularizer:or(this.activityRegularizer),kernelConstraint:z(this.kernelConstraint),recurrentConstraint:z(this.recurrentConstraint),biasConstraint:z(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation},n=t.prototype.getConfig.call(this);return delete n.cell,Object.assign(e,n),e;},e.fromConfig=function(t,e){return 0===e.implmentation&&(e.implementation=1),new t(e);},e.className="LSTM",e;}(ki);r.serialization.registerClass(Di);var Fi=function(t){function e(e){var n=t.call(this,e)||this;return n.cells=e.cells,n;}return o(e,t),Object.defineProperty(e.prototype,"stateSize",{get:function get(){for(var t=[],e=0,n=this.cells.slice().reverse();e<n.length;e++){var r=n[e];Array.isArray(r.stateSize)?t.push.apply(t,r.stateSize):t.push(r.stateSize);}return t;},enumerable:!0,configurable:!0}),e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){for(var r=(t=t).slice(1),i=[],o=0,a=n.cells.slice().reverse();o<a.length;o++){var s=a[o];Array.isArray(s.stateSize)?i.push(r.splice(0,s.stateSize.length)):i.push(r.splice(0,1));}i.reverse();for(var u,c=[],l=0;l<n.cells.length;++l){s=n.cells[l],r=i[l],u=0===l?[t[0]].concat(r):[u[0]].concat(r),u=s.call(u,e),c.push(u.slice(1));}r=[];for(var f=0,h=c.slice().reverse();f<h.length;f++){var d=h[f];r.push.apply(r,d);}return [u[0]].concat(r);});},e.prototype.build=function(t){var e;te(t)&&(t=t[0]),t=t,this.cells.forEach(function(n,r){tt("RNNCell_"+r,function(){n.build(t),e=Array.isArray(n.stateSize)?n.stateSize[0]:n.stateSize,t=[t[0],e];});}),this.built=!0;},e.prototype.getConfig=function(){for(var e=[],n=0,r=this.cells;n<r.length;n++){var i=r[n];e.push({className:i.getClassName(),config:i.getConfig()});}var o={cells:e},a=t.prototype.getConfig.call(this);return Object.assign(o,a),o;},e.fromConfig=function(t,e,n){void 0===n&&(n={});for(var r=[],i=0,o=e.cells;i<o.length;i++){var a=o[i];r.push(De(a,n));}return new t({cells:r});},Object.defineProperty(e.prototype,"trainableWeights",{get:function get(){if(!this.trainable)return [];for(var t=[],e=0,n=this.cells;e<n.length;e++){var r=n[e];t.push.apply(t,r.trainableWeights);}return t;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"nonTrainableWeights",{get:function get(){for(var t=[],e=0,n=this.cells;e<n.length;e++){var r=n[e];t.push.apply(t,r.nonTrainableWeights);}if(!this.trainable){for(var i=[],o=0,a=this.cells;o<a.length;o++){r=a[o],i.push.apply(i,r.trainableWeights);}return i.concat(t);}return t;},enumerable:!0,configurable:!0}),e.prototype.getWeights=function(){for(var t=[],e=0,n=this.cells;e<n.length;e++){var r=n[e];t.push.apply(t,r.weights);}return se(t);},e.prototype.setWeights=function(t){for(var e=[],n=0,r=this.cells;n<r.length;n++){for(var i=r[n],o=i.weights.length,a=t.splice(o),s=0;s<i.weights.length;++s){e.push([i.weights[s],a[s]]);}}ue(e);},e.className="StackedRNNCells",e;}(Ei);function Ti(t,e,n,i){function o(){return At(t(),e);}if(void 0===n&&(n=null),void 0===i&&(i=1),i>1){for(var a=[],s=0;s<i;s++){a.push(Ot(o,t,n));}return a.map(function(t){return Object(r.keep)(t.clone());});}return Object(r.keep)(Ot(o,t,n).clone());}r.serialization.registerClass(Fi);var Ni=function(t){function e(e){var n=t.call(this,e)||this;return n.layer=e.layer,n;}return o(e,t),e.prototype.build=function(t){this.built=!0;},Object.defineProperty(e.prototype,"trainable",{get:function get(){return null!=this.layer&&this.layer.trainable;},set:function set(t){null!=this.layer&&(this.layer.trainable=t);},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"trainableWeights",{get:function get(){return this.layer.trainableWeights;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"nonTrainableWeights",{get:function get(){return this.layer.nonTrainableWeights;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"updates",{get:function get(){return this.layer._updates;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"losses",{get:function get(){return this.layer.losses;},enumerable:!0,configurable:!0}),e.prototype.getWeights=function(){return this.layer.getWeights();},e.prototype.setWeights=function(t){this.layer.setWeights(t);},e.prototype.getConfig=function(){var e={layer:{className:this.layer.getClassName(),config:this.layer.getConfig()}},n=t.prototype.getConfig.call(this);return Object.assign(e,n),e;},e.prototype.setFastWeightInitDuringBuild=function(e){t.prototype.setFastWeightInitDuringBuild.call(this,e),null!=this.layer&&this.layer.setFastWeightInitDuringBuild(e);},e.fromConfig=function(t,e,n){void 0===n&&(n={});var r=De(e.layer,n);delete e.layer;var i={layer:r};return Object.assign(i,e),new t(i);},e;}(pe),Ii=function(t){function e(e){var n=t.call(this,e)||this;return n.supportsMasking=!0,n;}return o(e,t),e.prototype.build=function(e){if((e=re(e)).length<3)throw new d("TimeDistributed layer expects an input shape >= 3D, but received input shape "+JSON.stringify(e));this.inputSpec=[{shape:e}];var n=[e[0]].concat(e.slice(2));this.layer.built||(this.layer.build(n),this.layer.built=!0),t.prototype.build.call(this,e);},e.prototype.computeOutputShape=function(t){var e=[(t=re(t))[0]].concat(t.slice(2)),n=this.layer.computeOutputShape(e),r=t[1];return [n[0],r].concat(n.slice(1));},e.prototype.call=function(t,e){var n=this;return Object(r.tidy)(function(){return wi(function(t,r){return [ne(n.layer.call(t,e)),[]];},t=ne(t),[],!1,null,null,!1,!0)[1];});},e.className="TimeDistributed",e;}(Ni);r.serialization.registerClass(Ii);var Ri="concat",Mi=function(t){function e(e){var n=t.call(this,e)||this,r=e.layer.getConfig(),i={};i.className=e.layer.getClassName(),i.config=r,n.forwardLayer=De(i),r.goBackwards=!0!==r.goBackwards;var o={};if(o.className=e.layer.getClassName(),o.config=r,n.backwardLayer=De(o),n.forwardLayer.name="forward_"+n.forwardLayer.name,n.backwardLayer.name="backward_"+n.backwardLayer.name,n.mergeMode=void 0===e.mergeMode?Ri:e.mergeMode,function(t){D(G,"BidirectionalMergeMode",t);}(n.mergeMode),e.weights)throw new p("weights support is not implemented for Bidirectional layer yet.");return n._stateful=e.layer.stateful,n.returnSequences=e.layer.returnSequences,n.returnState=e.layer.returnState,n.supportsMasking=!0,n._trainable=!0,n.inputSpec=e.layer.inputSpec,n.numConstants=null,n;}return 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r=null==n?null:n.initialState,i=null==n?null:n.constants;null==n&&(n={});var o=xi(e,r,i,this.numConstants);if(e=o.inputs,r=o.initialState,i=o.constants,Array.isArray(e)&&(r=e.slice(1),e=e[0]),(null==r||0===r.length)&&null==i)return t.prototype.apply.call(this,e,n);var a=[],s=[];if(null!=r){var u=r.length;if(u%2>0)throw new d("When passing `initialState` to a Bidrectional RNN, the state should be an Array containing the states of the underlying RNNs.");n.initialState=r,a.push.apply(a,r);var c=r.map(function(t){return new ce({shape:t.shape});});this.forwardLayer.stateSpec=c.slice(0,u/2),this.backwardLayer.stateSpec=c.slice(u/2),s.push.apply(s,c);}if(null!=i)throw new p("Support for constants in Bidirectional layers is not implemented yet.");for(var l=a[0]instanceof le,f=0,h=a;f<h.length;f++){if(h[f]instanceof le!==l)throw new d("The initial state of a Bidirectional layer cannot be specified as a mix of symbolic and non-symbolic tensors");}if(l){var 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 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
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0===r&&(r=.5),Et.localResponseNormalization(this,t,e,n,r);},t.prototype.pool=function(t,e,n,r,i){return this.throwIfDisposed(),Et.pool(this,t,e,n,r,i);},t.prototype.variable=function(t,e,n){return void 0===t&&(t=!0),this.throwIfDisposed(),kt().makeVariable(this,t,e,n);},t.prototype.unsortedSegmentSum=function(t,e){return this.throwIfDisposed(),Et.unsortedSegmentSum(this,t,e);},t.prototype.batchToSpaceND=function(t,e){return this.throwIfDisposed(),Et.batchToSpaceND(this,t,e);},t.prototype.spaceToBatchND=function(t,e){return this.throwIfDisposed(),Et.spaceToBatchND(this,t,e);},t.prototype.topk=function(t,e){return void 0===t&&(t=1),void 0===e&&(e=!0),this.throwIfDisposed(),Et.topk(this,t,e);},t.prototype.stridedSlice=function(t,e,n,r,i,o,a,s){return void 0===r&&(r=0),void 0===i&&(i=0),void 0===o&&(o=0),void 0===a&&(a=0),void 0===s&&(s=0),this.throwIfDisposed(),Et.stridedSlice(this,t,e,n,r,i,o,a,s);},t.prototype.depthToSpace=function(t,e){return this.throwIfDisposed(),Et.depthToSpace(this,t,e);},t.prototype.fft=function(){return this.throwIfDisposed(),Et.spectral.fft(this);},t.prototype.ifft=function(){return this.throwIfDisposed(),Et.spectral.ifft(this);},t.prototype.rfft=function(){return this.throwIfDisposed(),Et.spectral.rfft(this);},t.prototype.irfft=function(){return this.throwIfDisposed(),Et.spectral.irfft(this);},t;}();Object.defineProperty(At,Symbol.hasInstance,{value:function value(t){return !!t&&null!=t.dataId&&null!=t.shape&&null!=t.dtype;}});var Ot,_t,St,Dt,Ft,Tt=function(t){function e(e,n,r,i){var o=t.call(this,e.shape,e.dtype,e.dataId,i)||this;return o.trainable=n,o.name=r,o;}return s(e,t),e.prototype.assign=function(t){if(t.dtype!==this.dtype)throw new Error("dtype of the new value ("+t.dtype+") and previous value ("+this.dtype+") must match");if(!N(t.shape,this.shape))throw new Error("shape of the new value ("+t.shape+") and previous value ("+this.shape+") must match");kt().disposeTensor(this),this.dataId=t.dataId,kt().incRef(this,null);},e.prototype.dispose=function(){kt().disposeVariable(this),this.isDisposedInternal=!0;},e;}(At);Object.defineProperty(Tt,Symbol.hasInstance,{value:function value(t){return t instanceof At&&null!=t.assign&&t.assign instanceof Function;}}),function(t){t.R0="R0",t.R1="R1",t.R2="R2",t.R3="R3",t.R4="R4",t.R5="R5",t.R6="R6";}(Ot||(Ot={})),function(t){t.float32="float32",t.int32="int32",t.bool="int32",t.complex64="complex64";}(_t||(_t={})),function(t){t.float32="float32",t.int32="int32",t.bool="bool",t.complex64="complex64";}(St||(St={})),function(t){t.float32="float32",t.int32="float32",t.bool="float32",t.complex64="complex64";}(Dt||(Dt={})),function(t){t.float32="complex64",t.int32="complex64",t.bool="complex64",t.complex64="complex64";}(Ft||(Ft={}));var Nt={float32:Dt,int32:_t,bool:St,complex64:Ft};function It(t,e){if("string"===t||"string"===e){if("string"===t&&"string"===e)return "string";throw new Error("Can not upcast "+t+" with "+e);}return Nt[t][e];}function Rt(t){return It(t,"int32");}function Mt(t,e){if(t.dtype===e.dtype)return [t,e];var n=It(t.dtype,e.dtype);return [t.cast(n),e.cast(n)];}function jt(t,e){_(t.dtype===e.dtype,function(){return "The dtypes of the first("+t.dtype+") and second("+e.dtype+") input must match";});}function Bt(t){var e=[];return function t(e,n,r){if(null!=e)if(e instanceof At)n.push(e);else if(i=e,Array.isArray(i)||"object"==_typeof$1(i)){var i,o=e;for(var a in o){var s=o[a];r.has(s)||(r.add(s),t(s,n,r));}}}(t,e,new Set()),e;}var Pt,Lt=Object.freeze({makeTypesMatch:Mt,assertTypesMatch:jt,isTensorInList:function isTensorInList(t,e){return e.some(function(e){return e.id===t.id;});},getTensorsInContainer:Bt}),zt=function(){function t(){this.registeredVariables={},this.nextTapeNodeId=0,this.numBytes=0,this.numTensors=0,this.numStringTensors=0,this.numDataBuffers=0,this.gradientDepth=0,this.kernelDepth=0,this.scopeStack=[],this.numDataMovesStack=[],this.nextScopeId=0,this.tensorInfo=new WeakMap(),this.profiling=!1,this.activeProfile={newBytes:0,newTensors:0,peakBytes:0,kernels:[],result:null};}return t.prototype.dispose=function(){for(var t in this.registeredVariables){this.registeredVariables[t].dispose();}},t;}(),Ut=function(){function t(t){this.ENV=t,this.registry={},this.registryFactory={},this.pendingBackendInitId=0,this.state=new zt();}return t.prototype.ready=function(){return u(this,void 0,void 0,function(){var t,e,n;return c(this,function(r){switch(r.label){case 0:if(null!=this.pendingBackendInit)return [2,this.pendingBackendInit.then(function(){})];if(null!=this.backendInstance)return [2];t=this.getSortedBackends(),e=0,r.label=1;case 1:return e<t.length?(n=t[e],[4,this.initializeBackend(n).success]):[3,5];case 2:return r.sent()?[4,this.setBackend(n)]:[3,4];case 3:return r.sent(),[2];case 4:return e++,[3,1];case 5:throw new Error("Could not initialize any backends, all backend initializations failed.");}});});},Object.defineProperty(t.prototype,"backend",{get:function get(){if(null!=this.pendingBackendInit)throw new Error("Backend '"+this.backendName+"' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");if(null==this.backendInstance){var t=this.initializeBackendsAndReturnBest(),e=t.name;if(t.asyncInit)throw new Error("The highest priority backend '"+e+"' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");this.setBackend(e);}return this.backendInstance;},enumerable:!0,configurable:!0}),t.prototype.backendNames=function(){return Object.keys(this.registryFactory);},t.prototype.findBackend=function(t){if(!(t in this.registry)){if(!(t in this.registryFactory))return null;if(this.initializeBackend(t).asyncInit)return null;}return this.registry[t];},t.prototype.findBackendFactory=function(t){return t in this.registryFactory?this.registryFactory[t].factory:null;},t.prototype.registerBackend=function(t,e,n){return void 0===n&&(n=1),t in this.registryFactory?(console.warn(t+" backend was already registered. Reusing existing backend factory."),!1):(this.registryFactory[t]={factory:e,priority:n},!0);},t.prototype.setBackend=function(t){return u(this,void 0,void 0,function(){var e,n,r;return c(this,function(i){switch(i.label){case 0:if(null==this.registryFactory[t])throw new Error("Backend name '"+t+"' not found in registry");return this.backendName=t,null!=this.registry[t]?[3,4]:(this.backendInstance=null,e=this.initializeBackend(t),n=e.success,e.asyncInit?[4,n]:[3,2]);case 1:return r=i.sent(),[3,3];case 2:r=n,i.label=3;case 3:if(!r)return [2,!1];i.label=4;case 4:return this.backendInstance=this.registry[t],this.setupRegisteredKernels(),this.profiler=new dt(this.backendInstance),[2,!0];}});});},t.prototype.setupRegisteredKernels=function(){var t=this;v(this.backendName).forEach(function(e){null!=e.setupFunc&&e.setupFunc(t.backendInstance);});},t.prototype.disposeRegisteredKernels=function(t){var e=this;v(t).forEach(function(n){null!=n.disposeFunc&&n.disposeFunc(e.registry[t]);});},t.prototype.initializeBackend=function(t){var e=this,n=this.registryFactory[t];if(null==n)throw new Error("Cannot initialize backend "+t+", no registration found.");try{var r=n.factory();if(Promise.resolve(r)===r){var i=++this.pendingBackendInitId,o=r.then(function(n){return !(i<e.pendingBackendInitId||(e.registry[t]=n,e.pendingBackendInit=null,0));}).catch(function(n){return !(i<e.pendingBackendInitId||(e.pendingBackendInit=null,console.warn("Initialization of backend "+t+" failed"),console.warn(n.stack||n.message),1));});return this.pendingBackendInit=o,{success:o,asyncInit:!0};}return this.registry[t]=r,{success:!0,asyncInit:!1};}catch(e){return console.warn("Initialization of backend "+t+" failed"),console.warn(e.stack||e.message),{success:!1,asyncInit:!1};}},t.prototype.removeBackend=function(t){if(!(t in this.registryFactory))throw new Error(t+" backend not found in registry");this.backendName===t&&null!=this.pendingBackendInit&&this.pendingBackendInitId++,t in this.registry&&(this.disposeRegisteredKernels(t),this.registry[t].dispose(),delete this.registry[t]),delete this.registryFactory[t],this.backendName===t&&(this.pendingBackendInit=null,this.backendName=null,this.backendInstance=null);},t.prototype.getSortedBackends=function(){var t=this;if(0===Object.keys(this.registryFactory).length)throw new Error("No backend found in registry.");return Object.keys(this.registryFactory).sort(function(e,n){return t.registryFactory[n].priority-t.registryFactory[e].priority;});},t.prototype.initializeBackendsAndReturnBest=function(){for(var t=this.getSortedBackends(),e=0;e<t.length;e++){var n=t[e],r=this.initializeBackend(n),i=r.success,o=r.asyncInit;if(o||i)return {name:n,asyncInit:o};}throw new Error("Could not initialize any backends, all backend initializations failed.");},t.prototype.moveData=function(t,e){var n=this.state.tensorInfo.get(e),r=n.backend,i=this.readSync(e);r.disposeData(e),n.backend=t,t.move(e,i,n.shape,n.dtype),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++;},t.prototype.tidy=function(t,e){var n,r=this,i=null;if(null==e){if("function"!=typeof t)throw new Error("Please provide a function to tidy()");e=t;}else {if("string"!=typeof t&&!(t instanceof String))throw new Error("When calling with two arguments, the first argument to tidy() must be a string");if("function"!=typeof e)throw new Error("When calling with two arguments, the 2nd argument to tidy() must be a function");i=t;}return this.scopedRun(function(){return r.startScope(i);},function(){return r.endScope(n);},function(){return (n=e())instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),n;});},t.prototype.scopedRun=function(t,e,n){t();try{var r=n();return e(),r;}catch(t){throw e(),t;}},t.prototype.nextTensorId=function(){return t.nextTensorId++;},t.prototype.nextVariableId=function(){return t.nextVariableId++;},t.prototype.clone=function(t){var e=this.makeTensorFromDataId(t.dataId,t.shape,t.dtype),n={x:t};return this.addTapeNode(this.state.activeScope.name,n,[e],function(t){return {x:function x(){return t.toFloat();}};},[]),e;},t.prototype.runKernel=function(t,e,n,r,i){return this.runKernelFunc(null,e,null,t,n,r,i);},t.prototype.shouldCheckForMemLeaks=function(){return this.ENV.getBool("IS_TEST");},t.prototype.checkKernelForMemLeak=function(t,e,n){var r=this.backend.numDataIds(),i=0;n.forEach(function(t){i+="complex64"===t.dtype?3:1;});var o=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],a=r-e-i-o;if(a>0)throw new Error("Backend '"+this.backendName+"' has an internal memory leak ("+a+" data ids) after running '"+t+"'");},t.prototype.runKernelFunc=function(t,e,n,r,i,o,a){var s,u=this;void 0===o&&(o=[]),void 0===a&&(a=[]);var c=[],l=this.isTapeOn();null==r&&(r=null!=this.state.activeScope?this.state.activeScope.name:"");var f,h=function h(t){l&&(c=t.map(function(t){return u.keep(u.clone(t));}));},d=this.state.numBytes,p=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);var g,v=m(r,this.backendName);return f=null!=v?function(){var t=u.backend.numDataIds();g=v.kernelFunc({inputs:e,attrs:i,backend:u.backend});var n=Array.isArray(g)?g:[g];u.shouldCheckForMemLeaks()&&u.checkKernelForMemLeak(r,t,n);var s=n.map(function(t){var e=t.dataId,n=t.shape,r=t.dtype;return u.makeTensorFromDataId(e,n,r);}),c=s.filter(function(t,e){return a[e];});return h((o||[]).slice().concat(c)),s;}:function(){var e=u.backend.numDataIds();g=u.tidy(function(){return t(u.backend,h);});var n=Array.isArray(g)?g:[g];return u.shouldCheckForMemLeaks()&&u.checkKernelForMemLeak(r,e,n),n;},this.scopedRun(function(){return u.state.kernelDepth++;},function(){return u.state.kernelDepth--;},function(){s=u.ENV.getBool("DEBUG")?u.profiler.profileKernel(r,e,function(){return f();}):f();}),l&&this.addTapeNode(r,e,s,n,c),this.state.profiling&&this.state.activeProfile.kernels.push({name:r,bytesAdded:this.state.numBytes-d,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-p,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(e).map(function(t){return e[t].shape;}),outputShapes:s.map(function(t){return t.shape;})}),Array.isArray(g)?s:s[0];},t.prototype.makeTensor=function(t,e,n,r){if(null==t)throw new Error("Values passed to engine.makeTensor() are null");n=n||"float32",r=r||this.backend;var i=t;"string"===n&&X(t[0])&&(i=t.map(function(t){return ut(t);}));var o=r.write(i,e,n),a=new At(e,n,o,this.nextTensorId());if(this.incRef(a,r),"string"===n){var s=this.state.tensorInfo.get(o),u=K(i);this.state.numBytes+=u-s.bytes,s.bytes=u;}return a;},t.prototype.makeTensorFromDataId=function(t,e,n,r){var i=new At(e,n=n||"float32",t,this.nextTensorId());return this.incRef(i,r),i;},t.prototype.makeVariable=function(t,e,n,r){void 0===e&&(e=!0),n=n||this.nextVariableId().toString(),null!=r&&r!==t.dtype&&(t=t.asType(r));var i=new Tt(t,e,n,this.nextTensorId());if(null!=this.state.registeredVariables[i.name])throw new Error("Variable with name "+i.name+" was already registered");return this.state.registeredVariables[i.name]=i,this.incRef(i,this.backend),i;},t.prototype.incRef=function(t,e){var n=this.state.tensorInfo.has(t.dataId)?this.state.tensorInfo.get(t.dataId).refCount:0;if(this.state.numTensors++,"string"===t.dtype&&this.state.numStringTensors++,0===n){this.state.numDataBuffers++;var r=0;"complex64"!==t.dtype&&"string"!==t.dtype&&(r=t.size*G(t.dtype)),this.state.tensorInfo.set(t.dataId,{backend:e||this.backend,dtype:t.dtype,shape:t.shape,bytes:r,refCount:0}),this.state.numBytes+=r;}this.state.tensorInfo.get(t.dataId).refCount++,t instanceof Tt||this.track(t);},t.prototype.disposeTensor=function(t){if(this.state.tensorInfo.has(t.dataId)){this.state.numTensors--,"string"===t.dtype&&this.state.numStringTensors--;var e=this.state.tensorInfo.get(t.dataId);e.refCount<=1?("complex64"!==t.dtype&&(this.state.numBytes-=e.bytes),this.state.numDataBuffers--,e.backend.disposeData(t.dataId),this.state.tensorInfo.delete(t.dataId)):this.state.tensorInfo.get(t.dataId).refCount--;}},t.prototype.disposeVariables=function(){for(var t in this.state.registeredVariables){var e=this.state.registeredVariables[t];this.disposeVariable(e);}},t.prototype.disposeVariable=function(t){this.disposeTensor(t),null!=this.state.registeredVariables[t.name]&&delete this.state.registeredVariables[t.name];},t.prototype.memory=function(){var t=this.backend.memory();return t.numTensors=this.state.numTensors,t.numDataBuffers=this.state.numDataBuffers,t.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(t.unreliable=!0,null==t.reasons&&(t.reasons=[]),t.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),t;},t.prototype.profile=function(t){return u(this,void 0,void 0,function(){var e,n;return c(this,function(r){return this.state.profiling=!0,e=this.state.numBytes,n=this.state.numTensors,this.state.activeProfile.kernels=[],this.state.activeProfile.result=t(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max.apply(Math,this.state.activeProfile.kernels.map(function(t){return t.totalBytesSnapshot;})),this.state.activeProfile.newBytes=this.state.numBytes-e,this.state.activeProfile.newTensors=this.state.numTensors-n,[2,this.state.activeProfile];});});},t.prototype.isTapeOn=function(){return this.state.gradientDepth>0&&0===this.state.kernelDepth;},t.prototype.addTapeNode=function(t,e,n,r,i){var o=this,a={id:this.state.nextTapeNodeId++,kernelName:t,inputs:e,outputs:n,saved:i},s=g(t);null!=s&&(r=s.gradFunc),null!=r&&(a.gradient=function(t){return t=t.map(function(t,e){if(null==t){var r=n[e],i=ot(r.size,r.dtype);return o.makeTensor(i,r.shape,r.dtype);}return t;}),r(t.length>1?t:t[0],i);}),this.state.activeTape.push(a);},t.prototype.keep=function(t){return t.kept=!0,t;},t.prototype.startTape=function(){0===this.state.gradientDepth&&(this.state.activeTape=[]),this.state.gradientDepth++;},t.prototype.endTape=function(){this.state.gradientDepth--;},t.prototype.startScope=function(t){var e={track:[],name:"unnamed scope",id:this.state.nextScopeId++};t&&(e.name=t),this.state.scopeStack.push(e),this.state.activeScope=e;},t.prototype.endScope=function(t){for(var e=this,n=Bt(t),r=new Set(n.map(function(t){return t.id;})),i=0;i<this.state.activeScope.track.length;i++){var o=this.state.activeScope.track[i];o.kept||r.has(o.id)||o.dispose();}var a=this.state.scopeStack.pop();this.state.activeScope=0===this.state.scopeStack.length?null:this.state.scopeStack[this.state.scopeStack.length-1],n.forEach(function(t){t.kept||t.scopeId!==a.id||e.track(t);});},t.prototype.gradients=function(t,e,n,r){var i=this;if(void 0===r&&(r=!1),_(e.length>0,function(){return "gradients() received an empty list of xs.";}),null!=n&&"float32"!==n.dtype)throw new Error("dy must have 'float32' dtype, but has '"+n.dtype+"'");var o=this.scopedRun(function(){return i.startTape();},function(){return i.endTape();},function(){return i.tidy("forward",t);});_(o instanceof At,function(){return "The result y returned by f() must be a tensor.";});var a=function(t,e,n){for(var r={},i={},o=0;o<e.length;o++){r[e[o].id]=!0;}for(o=0;o<t.length;o++){var a=(p=t[o]).inputs;for(var s in a){for(var u=a[s],c=!1,l=0;l<e.length;l++){if(r[u.id]){p.outputs.forEach(function(t){return r[t.id]=!0;}),c=!0,i[p.id]=!0;break;}}if(c)break;}}var f={};f[n.id]=!0;var h={};for(o=t.length-1;o>=0;o--){for(a=(p=t[o]).inputs,l=0;l<p.outputs.length;l++){if(f[p.outputs[l].id]){for(var s in a){f[a[s].id]=!0,h[p.id]=!0;}break;}}}var d=[];for(o=0;o<t.length;o++){var p;if(i[(p=t[o]).id]&&h[p.id]){var m={};for(var s in p.inputs){var g=p.inputs[s];r[g.id]&&(m[s]=g);}var v=Object.assign({},p);v.inputs=m,v.outputs=p.outputs,d.push(v);}}return d;}(this.state.activeTape,e,o);if(!r&&0===a.length&&e.length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that the f you passed encloses all operations that lead from x to y.");return this.tidy("backward",function(){var t,r,s={};s[o.id]=null==n?(r=it(T(t=o.shape),"float32"),Wt.makeTensor(r,t,"float32")):n,function(t,e,n){for(var r=function r(_r10){var i=e[_r10],o=[];if(i.outputs.forEach(function(e){var n=t[e.id];null!=n?o.push(n):o.push(null);}),null==i.gradient)throw new Error("Cannot compute gradient: gradient function not found for "+i.kernelName+".");var a=i.gradient(o),s=function s(e){if(!(e in a))throw new Error("Cannot backprop through input "+e+". Available gradients found: "+Object.keys(a)+".");var r=n(function(){return a[e]();});if("float32"!==r.dtype)throw new Error("Error in gradient for op "+i.kernelName+". The gradient of input "+e+" must have 'float32' dtype, but has '"+r.dtype+"'");var o=i.inputs[e];if(!N(r.shape,o.shape))throw new Error("Error in gradient for op "+i.kernelName+". 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n=e.shapeInfo.logicalShape;switch(n.length){case 0:return function(t){var e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1);if(t.shapeInfo.isUniform)return "float "+n+"() {return "+e+";}";var r=t.shapeInfo.texShape,i=r[0],o=r[1];if(1===i&&1===o)return "\n      float "+n+"() {\n        return sampleTexture("+e+", halfCR);\n      }\n    ";var a=t.shapeInfo.texShape,s=a[0],u=a[1],c=yo(e);return "\n    float "+n+"() {\n      vec2 uv = uvFromFlat("+s+", "+u+", "+c+");\n      return sampleTexture("+e+", uv);\n    }\n  ";}(e);case 1:return function(t){var e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1);if(t.shapeInfo.isUniform)return "\n      float "+n+"(int index) {\n        "+bo(t)+"\n      }\n    ";var r=t.shapeInfo.texShape,i=r[0],o=r[1];if(1===o&&1===i)return "\n      float "+n+"(int index) {\n        return sampleTexture("+e+", halfCR);\n      }\n    ";var a=yo(e);return 1===o?"\n      float "+n+"(int index) {\n        vec2 uv = vec2(0.5, (float(index + "+a+") + 0.5) / 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{\n        int index = round(dot(vec2(row, col), vec2("+n[1]+", 1)));\n        "+bo(e)+"\n      }\n    ";var d=o[0],p=o[1],m=yo(r);return 1===p?"\n    float "+i+"(int row, int col) {\n      float index = dot(vec3(row, col, "+m+"), vec3("+n[1]+", 1, 1));\n      vec2 uv = vec2(0.5, (index + 0.5) / "+d+".0);\n      return sampleTexture("+r+", uv);\n    }\n  ":1===d?"\n    float "+i+"(int row, int col) {\n      float index = dot(vec3(row, col, "+m+"), vec3("+n[1]+", 1, 1));\n      vec2 uv = vec2((index + 0.5) / "+p+".0, 0.5);\n      return sampleTexture("+r+", uv);\n    }\n  ":"\n  float "+i+"(int row, int col) {\n    // Explicitly use integer operations as dot() only works on floats.\n    int index = row * "+n[1]+" + col + "+m+";\n    vec2 uv = uvFromFlat("+d+", "+p+", index);\n    return sampleTexture("+r+", uv);\n  }\n";}(e);case 3:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,i="get"+r.charAt(0).toUpperCase()+r.slice(1),o=n[1]*n[2],a=n[2],s=z(n),u=s.newShape,c=s.keptDims,l=u;if(l.length<n.length){var f=wo(e,l);return "\n        "+t(f)+"\n        float "+i+"(int row, int col, int depth) {\n          return "+i+"("+ko(["row","col","depth"],c)+");\n        }\n      ";}if(e.shapeInfo.isUniform)return "\n      float "+i+"(int row, int col, int depth) {\n        int index = round(dot(vec3(row, col, depth),\n                          vec3("+o+", "+a+", 1)));\n        "+bo(e)+"\n      }\n    ";var h=e.shapeInfo.texShape,d=h[0],p=h[1],m=e.shapeInfo.flatOffset;if(p===o&&null==m)return "\n        float "+i+"(int row, int col, int depth) {\n          float texR = float(row);\n          float texC = dot(vec2(col, depth), vec2("+a+", 1));\n          vec2 uv = (vec2(texC, texR) + halfCR) /\n                     vec2("+p+".0, "+d+".0);\n          return sampleTexture("+r+", uv);\n        }\n      ";if(p===a&&null==m)return "\n    float 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sampleTexture("+r+", uv);\n      }\n    ";var g=yo(r);return "\n    float "+i+"(int row, int col, int depth, int depth2) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int index = row * "+s+" + col * "+a+" +\n          depth * "+o+" + depth2;\n      vec2 uv = uvFromFlat("+p+", "+m+", index + "+g+");\n      return sampleTexture("+r+", uv);\n    }\n  ";}(e);case 5:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,i="get"+r.charAt(0).toUpperCase()+r.slice(1),o=n[4],a=n[3]*o,s=n[2]*a,u=n[1]*s,c=z(n),l=c.newShape,f=c.keptDims;if(l.length<n.length){var h=wo(e,l);return "\n      "+t(h)+"\n      float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n        return "+i+"("+ko(["row","col","depth","depth2","depth3"],f)+");\n      }\n    ";}if(e.shapeInfo.isUniform)return "\n      float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n        float index = dot(\n          vec4(row, col, depth, depth2),\n          vec4("+u+", "+s+", "+a+", "+o+")) +\n          depth3;\n        "+bo(e)+"\n      }\n    ";var d=e.shapeInfo.flatOffset,p=e.shapeInfo.texShape,m=p[0],g=p[1];if(g===u&&null==d)return "\n      float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n        int texR = row;\n        float texC = dot(vec4(col, depth, depth2, depth3),\n                         vec4("+s+", "+a+", "+o+", 1));\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+g+".0, "+m+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";if(g===o&&null==d)return "\n      float "+i+"(int row, int col, int depth, int depth2, int depth3) {\n        float texR = dot(\n          vec4(row, col, depth, depth2),\n          vec4("+n[1]*n[2]*n[3]+",\n               "+n[2]*n[3]+", "+n[3]+", 1));\n        int texC = depth3;\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+g+".0, "+m+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";var v=yo(r);return "\n    float 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             "+n[4]+")) + float(depth3);\n        int texC = depth4;\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+v+".0, "+g+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";var y=yo(r);return "\n    float "+i+"(int row, int col, int depth,\n                  int depth2, int depth3, int depth4) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int index = row * "+d+" + col * "+h+" + depth * "+f+" +\n          depth2 * "+l+" + depth3 * "+c+" + depth4 + "+y+";\n      vec2 uv = uvFromFlat("+g+", "+v+", index);\n      return sampleTexture("+r+", uv);\n    }\n  ";}(e);default:throw new Error(n.length+"-D input sampling is not yet supported");}}(t);var i=t.shapeInfo.logicalShape,o=e.logicalShape;return i.length<=o.length&&(r+=n?function(t,e){var n,r=t.name,i=r.charAt(0).toUpperCase()+r.slice(1),o="get"+i+"AtOutCoords",a=t.shapeInfo.logicalShape.length,s=e.logicalShape.length,u=Ai(t.shapeInfo.logicalShape,e.logicalShape),c=xo(s),l=s-a,f=["x","y","z","w","u","v"];n=0===a?"":s<2&&u.length>=1?"coords = 0;":u.map(function(t){return "coords."+f[t+l]+" = 0;";}).join("\n");var h;h=s<2&&a>0?"coords":t.shapeInfo.logicalShape.map(function(t,e){return "coords."+f[e+l];}).join(", ");var d="return outputValue;",p=1===T(t.shapeInfo.logicalShape),m=1===T(e.logicalShape);if(1!==a||p||m){if(p&&!m)d=1===s?"\n        return vec4(outputValue.x, outputValue.x, 0., 0.);\n      ":"\n        return vec4(outputValue.x);\n      ";else if(u.length){var g=a-2,v=a-1;u.indexOf(g)>-1&&u.indexOf(v)>-1?d="return vec4(outputValue.x);":u.indexOf(g)>-1?d="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":u.indexOf(v)>-1&&(d="return vec4(outputValue.xx, outputValue.zz);");}}else d="\n      return vec4(outputValue.xy, outputValue.xy);\n    ";return "\n    vec4 "+o+"() {\n      "+c+" coords = getOutputCoords();\n      "+n+"\n      vec4 outputValue = get"+i+"("+h+");\n      "+d+"\n    }\n  ";}(t,e):function(t,e){var n=t.name,r=n.charAt(0).toUpperCase()+n.slice(1),i="get"+r+"AtOutCoords",o=e.texShape,a=t.shapeInfo.texShape,s=t.shapeInfo.logicalShape.length,u=e.logicalShape.length;if(!t.shapeInfo.isUniform&&s===u&&null==t.shapeInfo.flatOffset&&N(a,o))return "\n      float "+i+"() {\n        return sampleTexture("+n+", resultUV);\n      }\n    ";var c=xo(u),l=Ai(t.shapeInfo.logicalShape,e.logicalShape),f=u-s,h=["x","y","z","w","u","v"];return "\n    float "+i+"() {\n      "+c+" coords = getOutputCoords();\n      "+(0===s?"":u<2&&l.length>=1?"coords = 0;":l.map(function(t){return "coords."+h[t+f]+" = 0;";}).join("\n"))+"\n      return get"+r+"("+(u<2&&s>0?"coords":t.shapeInfo.logicalShape.map(function(t,e){return "coords."+h[e+f];}).join(", "))+");\n    }\n  ";}(t,e)),r;}(t,e,r);}).join("\n"),c=e.texShape,l=uo(),f="\n    float sampleTexture(sampler2D textureSampler, vec2 uv) {\n      return "+l.texture2D+"(textureSampler, uv).r;\n    }\n  ",h=function(t){return t.version+"\n    precision highp float;\n    precision highp int;\n    precision highp sampler2D;\n    "+t.varyingFs+" vec2 resultUV;\n    "+t.defineOutput+"\n    const vec2 halfCR = vec2(0.5, 0.5);\n\n    struct ivec5\n    {\n      int x;\n      int y;\n      int z;\n      int w;\n      int u;\n    };\n\n    struct ivec6\n    {\n      int x;\n      int y;\n      int z;\n      int w;\n      int u;\n      int v;\n    };\n\n    uniform float NAN;\n    "+t.defineSpecialNaN+"\n    "+t.defineSpecialInf+"\n    "+t.defineRound+"\n\n    int imod(int x, int y) {\n      return x - y * (x / y);\n    }\n\n    int idiv(int a, int b, float sign) {\n      int res = a / b;\n      int mod = imod(a, b);\n      if (sign < 0. && mod != 0) {\n        res -= 1;\n      }\n      return res;\n    }\n\n    //Based on the work of Dave Hoskins\n    //https://www.shadertoy.com/view/4djSRW\n    #define HASHSCALE1 443.8975\n    float random(float seed){\n      vec2 p = resultUV * seed;\n      vec3 p3  = fract(vec3(p.xyx) * HASHSCALE1);\n      p3 += dot(p3, p3.yzx + 19.19);\n      return fract((p3.x + p3.y) * p3.z);\n    }\n\n    "+po+"\n    "+mo+"\n    "+go+"\n  ";}(l);return e.isPacked?(o=function(t,e){switch(t.length){case 0:return "\n    int getOutputCoords() {\n      return 0;\n    }\n  ";case 1:return function(t,e){var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];return 1===n[0]?"\n      int getOutputCoords() {\n        return 2 * int(resultUV.x * "+n[1]+".0);\n      }\n    ":1===n[1]?"\n      int getOutputCoords() {\n        return 2 * int(resultUV.y * "+n[0]+".0);\n      }\n    ":"\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+n[0]+", "+n[1]+"));\n      return 2 * (resTexRC.x * "+n[1]+" + resTexRC.y);\n    }\n  ";}(0,e);case 2:return function(t,e){var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];if(N(t,e))return "\n      ivec2 getOutputCoords() {\n        return 2 * ivec2(resultUV.yx * vec2("+n[0]+", "+n[1]+"));\n      }\n    ";var r=Math.ceil(t[1]/2);return "\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+n[0]+", "+n[1]+"));\n\n      int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n      int r = 2 * (index / "+r+");\n      int c = imod(index, "+r+") * 2;\n\n      return ivec2(r, c);\n    }\n  ";}(t,e);case 3:return n=t,r=e,i=[Math.ceil(r[0]/2),Math.ceil(r[1]/2)],a=(o=Math.ceil(n[2]/2))*Math.ceil(n[1]/2),"\n    ivec3 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+i[0]+", "+i[1]+"));\n      int index = resTexRC.x * "+i[1]+" + resTexRC.y;\n\n      int b = index / "+a+";\n      index -= b * "+a+";\n\n      int r = 2 * (index / "+o+");\n      int c = imod(index, "+o+") * 2;\n\n      return ivec3(b, r, c);\n    }\n  ";default:return function(t,e){for(var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)],r=Math.ceil(t[t.length-1]/2),i=r*Math.ceil(t[t.length-2]/2),o=i,a="",s="b, r, c",u=2;u<t.length-1;u++){a="\n      int b"+u+" = index / "+(o*=t[t.length-u-1])+";\n      index -= b"+u+" * "+o+";\n    "+a,s="b"+u+", "+s;}return "\n    ivec"+t.length+" getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+n[0]+", "+n[1]+"));\n      int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n\n      "+a+"\n\n      int b = index / "+i+";\n      index -= b * "+i+";\n\n      int r = 2 * (index / "+r+");\n      int c = imod(index, "+r+") * 2;\n\n      return ivec"+t.length+"("+s+");\n    }\n  ";}(t,e);}var n,r,i,o,a;}(e.logicalShape,c),a="\n    void setOutput(vec4 val) {\n      "+l.output+" = val;\n    }\n  "):(o=function(t,e){switch(t.length){case 0:return "\n    int getOutputCoords() {\n      return 0;\n    }\n  ";case 1:return function(t,e){return 1===e[0]?"\n      int getOutputCoords() {\n        return int(resultUV.x * "+e[1]+".0);\n      }\n    ":1===e[1]?"\n      int getOutputCoords() {\n        return int(resultUV.y * "+e[0]+".0);\n      }\n    ":"\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+e[0]+", "+e[1]+"));\n      return resTexRC.x * "+e[1]+" + resTexRC.y;\n    }\n  ";}(0,e);case 2:return function(t,e){return N(t,e)?"\n      ivec2 getOutputCoords() {\n        return ivec2(resultUV.yx * vec2("+e[0]+", "+e[1]+"));\n      }\n    ":1===t[1]?"\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2("+e[0]+", "+e[1]+"));\n        int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n        return ivec2(index, 0);\n      }\n    ":1===t[0]?"\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2("+e[0]+", "+e[1]+"));\n        int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n        return ivec2(0, index);\n      }\n    ":"\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+e[0]+", "+e[1]+"));\n      int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n      int r = index / "+t[1]+";\n      int c = index - r * "+t[1]+";\n      return ivec2(r, c);\n    }\n  ";}(t,e);case 3:return n=e,r=co(["r","c","d"],t),"\n    ivec3 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+n[0]+", "+n[1]+"));\n      int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n      "+r+"\n      return ivec3(r, c, d);\n    }\n  ";case 4:return function(t,e){var n=co(["r","c","d","d2"],t);return "\n    ivec4 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2("+e[0]+", "+e[1]+"));\n      int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n      "+n+"\n      return ivec4(r, c, d, d2);\n    }\n  ";}(t,e);case 5:return function(t,e){var n=co(["r","c","d","d2","d3"],t);return "\n    ivec5 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx * vec2("+e[0]+",\n                             "+e[1]+"));\n\n      int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n\n      "+n+"\n\n      ivec5 outShape = ivec5(r, c, d, d2, d3);\n      return outShape;\n    }\n  ";}(t,e);case 6:return function(t,e){var n=co(["r","c","d","d2","d3","d4"],t);return "\n    ivec6 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2("+e[0]+", "+e[1]+"));\n      int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n\n      "+n+"\n\n      ivec6 result = ivec6(r, c, d, d2, d3, d4);\n      return result;\n    }\n  ";}(t,e);default:throw new Error(t.length+"-D output sampling is not yet supported");}var n,r;}(e.logicalShape,c),a="\n    void setOutput(float val) {\n      "+l.output+" = vec4(val, 0, 0, 0);\n    }\n  "),r&&(h+=vo),[h,f,a,s,o,u,n].join("\n");}var po="\nvec2 uvFromFlat(int texNumR, int texNumC, int index) {\n  int texR = index / texNumC;\n  int texC = index - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\nvec2 packedUVfrom1D(int texNumR, int texNumC, int index) {\n  int texelIndex = index / 2;\n  int texR = texelIndex / texNumC;\n  int texC = texelIndex - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",mo="\nvec2 packedUVfrom2D(int texelsInLogicalRow, int texNumR,\n  int texNumC, int row, int col) {\n  int texelIndex = (row / 2) * texelsInLogicalRow + (col / 2);\n  int texR = texelIndex / texNumC;\n  int texC = texelIndex - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",go="\nvec2 packedUVfrom3D(int texNumR, int texNumC,\n    int texelsInBatch, int texelsInLogicalRow, int b,\n    int row, int col) {\n  int index = b * texelsInBatch + (row / 2) * texelsInLogicalRow + (col / 2);\n  int texR = index / texNumC;\n  int texC = index - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",vo="\n  float getChannel(vec4 frag, vec2 innerDims) {\n    vec2 modCoord = mod(innerDims, 2.);\n    return modCoord.x == 0. ?\n      (modCoord.y == 0. ? frag.r : frag.g) :\n      (modCoord.y == 0. ? frag.b : frag.a);\n  }\n  float getChannel(vec4 frag, int dim) {\n    float modCoord = mod(float(dim), 2.);\n    return modCoord == 0. ? frag.r : frag.g;\n  }\n";function yo(t){return "offset"+t;}function bo(t){var e=t.name,n=T(t.shapeInfo.logicalShape);return n<2?"return "+e+";":"\n    for (int i = 0; i < "+n+"; i++) {\n      if (i == index) {\n        return "+e+"[i];\n      }\n    }\n  ";}function xo(t){if(t<=1)return "int";if(2===t)return "ivec2";if(3===t)return "ivec3";if(4===t)return "ivec4";if(5===t)return "ivec5";if(6===t)return "ivec6";throw Error("GPU for rank "+t+" is not yet supported");}function wo(t,e){var n=JSON.parse(JSON.stringify(t));return n.shapeInfo.logicalShape=e,n;}function ko(t,e){return e.map(function(e){return t[e];}).join(", ");}var Eo=function Eo(t,e,n){this.variableNames=["AReal","AImag","BReal","BImag"],this.outputShape=_i(e,n),this.userCode="\n      float binaryOpComplex(\n          float areal, float aimag, float breal, float bimag) {\n        "+t+"\n      }\n\n      void main() {\n        float areal = getARealAtOutCoords();\n        float aimag = getAImagAtOutCoords();\n        float breal = getBRealAtOutCoords();\n        float bimag = getBImagAtOutCoords();\n        setOutput(binaryOpComplex(areal, aimag, breal, bimag));\n      }\n    ";},Co="return a + b;",Ao="return a - b;",Oo="return a * b;",_o="return (a < 0.) ? b * a : a;",So=function So(t,e,n){this.variableNames=["A","B"],this.outputShape=_i(e,n),this.userCode="\n      float binaryOperation(float a, float b) {\n        "+t+"\n      }\n\n      void main() {\n        float a = getAAtOutCoords();\n        float b = getBAtOutCoords();\n        setOutput(binaryOperation(a, b));\n      }\n    ";},Do="\n  vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));\n  return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);\n",Fo=function Fo(t,e,n,r){void 0===r&&(r=!1),this.variableNames=["A","B"],this.supportsBroadcasting=!0,this.packedInputs=!0,this.packedOutput=!0,this.outputShape=_i(e,n);var i=this.outputShape.length,o="";if(r)if(0===i||1===T(this.outputShape))o="\n          result.y = 0.;\n          result.z = 0.;\n          result.w = 0.;\n        ";else if(o="\n          "+xo(i)+" coords = getOutputCoords();\n        ",1===i)o+="\n            result.y = (coords + 1) >= "+this.outputShape[0]+" ? 0. : result.y;\n            result.z = 0.;\n            result.w = 0.;\n          ";else {var a=so("coords",i);o+="\n            bool nextRowOutOfBounds =\n              ("+a[i-2]+" + 1) >= "+this.outputShape[i-2]+";\n            bool nextColOutOfBounds =\n              ("+a[i-1]+" + 1) >= "+this.outputShape[i-1]+";\n            result.y = nextColOutOfBounds ? 0. : result.y;\n            result.z = nextRowOutOfBounds ? 0. : result.z;\n            result.w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result.w;\n          ";}this.userCode="\n      vec4 binaryOperation(vec4 a, vec4 b) {\n        "+t+"\n      }\n\n      void main() {\n        vec4 a = getAAtOutCoords();\n        vec4 b = getBAtOutCoords();\n\n        vec4 result = binaryOperation(a, b);\n        "+o+"\n\n        setOutput(result);\n      }\n    ";},To=function(){function t(t){this.variableNames=["A"],this.outputShape=t,this.userCode="\n      uniform float minVal;\n      uniform float maxVal;\n\n      void main() {\n        float value = getAAtOutCoords();\n        if (isnan(value)) {\n          setOutput(value);\n          return;\n        }\n\n        setOutput(clamp(value, minVal, maxVal));\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t,e){var n=this;return function(r,i){null==n.minLoc&&(n.minLoc=r.getUniformLocationNoThrow(i,"minVal"),n.maxLoc=r.getUniformLocationNoThrow(i,"maxVal")),r.gl.uniform1f(n.minLoc,t),r.gl.uniform1f(n.maxLoc,e);};},t;}(),No=function(){function t(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.userCode="\n      uniform float minVal;\n      uniform float maxVal;\n\n      void main() {\n        vec4 value = getAAtOutCoords();\n\n        if (any(isnan(value))) {\n          setOutput(value);\n          return;\n        }\n\n        setOutput(clamp(value, vec4(minVal), vec4(maxVal)));\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t,e){var n=this;return function(r,i){null==n.minLoc&&(n.minLoc=r.getUniformLocationNoThrow(i,"minVal"),n.maxLoc=r.getUniformLocationNoThrow(i,"maxVal")),r.gl.uniform1f(n.minLoc,t),r.gl.uniform1f(n.maxLoc,e);};},t;}();function Io(t,e,n){var r=t.indexOf(e);return t.map(function(t,e){return e===r?t+" - "+n:t;}).join();}var Ro=function Ro(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.outputShape=t.outShape;var i=t.padInfo.top,o=t.padInfo.left,a=t.strideHeight,s=t.strideWidth,u=t.dilationHeight,c=t.dilationWidth,l=t.filterHeight,f=t.filterWidth,h=4*Math.floor(t.inChannels/4),d=t.inChannels%4,p="channelsLast"===t.dataFormat,m=p?1:2,g=p?2:3,v=p?3:1,y="",b="";n&&(y=r?"float activation(float a) {\n          float b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":"\n          float activation(float x) {\n            "+n+"\n          }\n        ",b="result = activation(result);");var x=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n      "+y+"\n\n      const ivec2 strides = ivec2("+a+", "+s+");\n      const ivec2 pads = ivec2("+i+", "+o+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d2 = coords["+v+"];\n\n        ivec2 xRCCorner =\n            ivec2(coords["+m+"], coords["+g+"]) * strides - pads;\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // Convolve x(?, ?, d1) with w(:, :, d1, d2) to get y(yR, yC, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+l+"; wR++) {\n          int xR = xRCorner + wR * "+u+";\n\n          if (xR < 0 || xR >= "+t.inHeight+") {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+f+"; wC++) {\n            int xC = xCCorner + wC * "+c+";\n\n            if (xC < 0 || xC >= "+t.inWidth+") {\n              continue;\n            }\n\n            for (int d1 = 0; d1 < "+h+"; d1 += 4) {\n              vec4 wValues = vec4(\n                getW(wR, wC, d1, d2),\n                getW(wR, wC, d1 + 1, d2),\n                getW(wR, wC, d1 + 2, d2),\n                getW(wR, wC, d1 + 3, d2)\n              );\n\n              if ("+p+") {\n                vec4 xValues = vec4(\n                  getX(batch, xR, xC, d1),\n                  getX(batch, xR, xC, d1 + 1),\n                  getX(batch, xR, xC, d1 + 2),\n                  getX(batch, xR, xC, d1 + 3)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec4 xValues = vec4(\n                  getX(batch, d1, xR, xC),\n                  getX(batch, d1 + 1, xR, xC),\n                  getX(batch, d1 + 2, xR, xC),\n                  getX(batch, d1 + 3, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n            }\n\n            if ("+(1===d)+") {\n\n              if ("+p+") {\n                dotProd +=\n                    getX(batch, xR, xC, "+h+") *\n                    getW(wR, wC, "+h+", d2);\n              } else {\n                dotProd +=\n                    getX(batch, "+h+", xR, xC) *\n                    getW(wR, wC, "+h+", d2);\n              }\n\n            } else if ("+(2===d)+") {\n              vec2 wValues = vec2(\n                getW(wR, wC, "+h+", d2),\n                getW(wR, wC, "+h+" + 1, d2)\n              );\n\n              if ("+p+") {\n                vec2 xValues = vec2(\n                  getX(batch, xR, xC, "+h+"),\n                  getX(batch, xR, xC, "+h+" + 1)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec2 xValues = vec2(\n                  getX(batch, "+h+", xR, xC),\n                  getX(batch, "+h+" + 1, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n\n            } else if ("+(3===d)+") {\n              vec3 wValues = vec3(\n                getW(wR, wC, "+h+", d2),\n                getW(wR, wC, "+h+" + 1, d2),\n                getW(wR, wC, "+h+" + 2, d2)\n              );\n\n              if ("+p+") {\n                vec3 xValues = vec3(\n                  getX(batch, xR, xC, "+h+"),\n                  getX(batch, xR, xC, "+h+" + 1),\n                  getX(batch, xR, xC, "+h+" + 2)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec3 xValues = vec3(\n                  getX(batch, "+h+", xR, xC),\n                  getX(batch, "+h+" + 1, xR, xC),\n                  getX(batch, "+h+" + 2, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n\n            }\n          }\n        }\n\n        float result = dotProd;\n        "+x+"\n        "+b+"\n        setOutput(result);\n      }\n    ";},Mo=function Mo(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.outputShape=t.outShape;var i=t.inHeight,o=t.inWidth,a=t.padInfo.top,s=t.padInfo.left,u=t.strideHeight,c=t.strideWidth,l=t.dilationHeight,f=t.dilationWidth,h=t.filterHeight,d=t.filterWidth,p=t.outChannels/t.inChannels,m="",g="";n&&(m=r?"float activation(float a) {\n          float b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":"\n          float activation(float x) {\n            "+n+"\n          }\n        ",g="result = activation(result);");var v=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n      "+m+"\n\n      const ivec2 strides = ivec2("+u+", "+c+");\n      const ivec2 pads = ivec2("+a+", "+s+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords.x;\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int d2 = coords.w;\n        int d1 = d2 / "+p+";\n        int q = d2 - d1 * "+p+";\n\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // Convolve x(?, ?, d1) with w(:, :, d1, q) to get y(yR, yC, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        // TO DO(dsmilkov): Flatten the two for loops and vec4 the operations.\n        for (int wR = 0; wR < "+h+"; wR++) {\n          int xR = xRCorner + wR * "+l+";\n\n          if (xR < 0 || xR >= "+i+") {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+d+"; wC++) {\n            int xC = xCCorner + wC * "+f+";\n\n            if (xC < 0 || xC >= "+o+") {\n              continue;\n            }\n\n            float xVal = getX(batch, xR, xC, d1);\n            float wVal = getW(wR, wC, d1, q);\n            dotProd += xVal * wVal;\n          }\n        }\n\n        float result = dotProd;\n        "+v+"\n        "+g+"\n        setOutput(result);\n      }\n    ";},jo=function jo(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.outShape;for(var i=t.inHeight,o=t.inWidth,a=t.padInfo.top,s=t.padInfo.left,u=t.strideHeight,c=t.strideWidth,l=t.dilationHeight,f=t.dilationWidth,h=t.filterHeight,d=t.filterWidth,p=d,m="int xR; int xC; int xCOffset;",g=0;g<h;g++){for(var v=0;v<d;v++){m+="\n          vec4 xTexelR"+g+"C"+2*v+" = vec4(0.);\n          vec4 wR"+g+"C"+v+" = vec4(0.);\n          vec4 xR"+g+"C"+v+" = vec4(0.);";}}for(g=0;g<h;g++){for(var y=0;y<p;y++){if(m+="\n          xR = xRCorner + "+g*l+";\n          xC = xCCorner + "+(v=2*y)*f+";\n        ",1===c){if(v<d&&(m+=s%2==1?"\n                xCOffset = xC + 1;\n                if(xR >= 0 && xR < "+i+" && xCOffset >= 0 && xCOffset < "+o+") {\n                  xTexelR"+g+"C"+v+" = getX(batch, xR, xCOffset, d1);\n\n                  // Need to manually clear unused channels in case\n                  // we're reading from recycled texture.\n                  if(xCOffset + 1 >= "+o+") {\n                    xTexelR"+g+"C"+v+".zw = vec2(0.);\n                  }\n                } else {\n                  xTexelR"+g+"C"+v+" = vec4(0.);\n                }\n\n                xCOffset = xC + 1 - 2;\n                if(xR >= 0 && xR < "+i+" && xCOffset >= 0 && xCOffset < "+o+") {\n                  vec4 previous = getX(batch, xR, xCOffset, d1);\n\n                  // Need to manually clear unused channels in case\n                  // we're reading from recycled texture.\n                  if(xCOffset + 1 >= "+o+") {\n                    previous.zw = vec2(0.);\n                  }\n\n                  xR"+g+"C"+v+" = vec4(previous.zw, xTexelR"+g+"C"+v+".xy);\n                } else {\n                  xR"+g+"C"+v+" = vec4(0, 0, xTexelR"+g+"C"+v+".xy);\n                }\n              ":"\n                if(xR >= 0 && xR < "+i+" && xC >= 0 && xC < "+o+") {\n                  xTexelR"+g+"C"+v+" = getX(batch, xR, xC, d1);\n                } else {\n                  xTexelR"+g+"C"+v+" = vec4(0.);\n                }\n\n                xR"+g+"C"+v+" = xTexelR"+g+"C"+v+";\n              ",v+1<d)){var b=s%2==0?A(f):f;f%2==0&&s%2==1||f%2!=0&&s%2!=1?(m+="\n                  xCOffset = xC + "+s%2+" + "+b+";\n\n                  if(xR >= 0 && xR < "+i+" &&\n                    xCOffset >= 0 && xCOffset < "+o+") {\n                    xTexelR"+g+"C"+(v+2)+" = getX(batch, xR, xCOffset, d1);\n                  }\n                ",f>1&&(m+="\n                    xCOffset -= 2;\n                    if(xR >= 0 && xR < "+i+" &&\n                      xCOffset >= 0 && xCOffset < "+o+") {\n                      xTexelR"+g+"C"+v+" = getX(batch, xR, xCOffset, d1);\n                    } else {\n                      xTexelR"+g+"C"+v+" = vec4(0.);\n                    }\n                  "),m+="\n                  xR"+g+"C"+(v+1)+" = vec4(\n                    xTexelR"+g+"C"+v+".zw, xTexelR"+g+"C"+(v+2)+".xy);\n                "):m+="\n                  xCOffset = xC + "+b+";\n\n                  if(xR >= 0 && xR < "+i+" &&\n                    xCOffset >= 0 && xCOffset < "+o+") {\n                    xTexelR"+g+"C"+(v+2)+" = getX(batch, xR, xCOffset, d1);\n                  }\n\n                  xR"+g+"C"+(v+1)+" = xTexelR"+g+"C"+(v+2)+";\n                ";}}else v<d&&(m+="\n              if(xR >= 0 && xR < "+i+") {\n            ",s%2==1?(m+="\n                xCOffset = xC + 1 - "+c+";\n                if(xCOffset >= 0 && xCOffset < "+o+") {\n                  xTexelR"+g+"C"+v+" = getX(batch, xR, xCOffset, d1);\n                } else {\n                  xTexelR"+g+"C"+v+" = vec4(0.);\n                }\n\n                if(xC + 1 >= 0 && xC + 1 < "+o+") {\n                  xTexelR"+g+"C"+(v+2)+" = getX(batch, xR, xC + 1, d1);\n                } else {\n                  xTexelR"+g+"C"+(v+2)+" = vec4(0.);\n                }\n\n                xR"+g+"C"+v+" = vec4(\n                  xTexelR"+g+"C"+v+".zw, xTexelR"+g+"C"+(v+2)+".zw);\n              ",v+1<d&&(m+="\n                  vec4 final = vec4(0.);\n                  xCOffset = xC + 1 + "+c+";\n                  if(xCOffset >= 0 && xCOffset < "+o+") {\n                    final = getX(batch, xR, xCOffset, d1);\n                  }\n                  xR"+g+"C"+(v+1)+" = vec4(xTexelR"+g+"C"+(v+2)+".xy, final.xy);\n                ")):(m+="\n                if(xC >= 0 && xC < "+o+") {\n                  xTexelR"+g+"C"+v+" = getX(batch, xR, xC, d1);\n                } else {\n                  xTexelR"+g+"C"+v+" = vec4(0.);\n                }\n\n                xCOffset = xC + "+c+";\n                if(xCOffset >= 0 && xCOffset < "+o+") {\n                  xTexelR"+g+"C"+(v+2)+" = getX(batch, xR, xCOffset, d1);\n                } else {\n                  xTexelR"+g+"C"+(v+2)+" = vec4(0.);\n                }\n\n                xR"+g+"C"+v+" = vec4(\n                  xTexelR"+g+"C"+v+".xy, xTexelR"+g+"C"+(v+2)+".xy);\n              ",v+1<d&&(m+="\n                  xR"+g+"C"+(v+1)+" = vec4(\n                    xTexelR"+g+"C"+v+".zw, xTexelR"+g+"C"+(v+2)+".zw);\n                ")),m+="}");v<d&&(m+="\n            vec4 wTexelR"+g+"C"+v+" = getW("+g+", "+v+", d1, q);\n            wR"+g+"C"+v+" = vec4(wTexelR"+g+"C"+v+".xz, wTexelR"+g+"C"+v+".xz);\n          ",v+1<d&&(m+="\n              vec4 wTexelR"+g+"C"+(v+1)+" = getW("+g+", "+(v+1)+", d1, q);\n              wR"+g+"C"+(v+1)+" =\n                vec4(wTexelR"+g+"C"+(v+1)+".xz, wTexelR"+g+"C"+(v+1)+".xz);"));}}for(g=0;g<h;g++){for(v=0;v<d;v++){m+="dotProd += xR"+g+"C"+v+" * wR"+g+"C"+v+";";}}var x="",w="";n&&(x=r?"vec4 activation(vec4 a) {\n          vec4 b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":"vec4 activation(vec4 x) {\n          "+n+"\n        }",w="result = activation(result);");var k=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n      "+x+"\n\n      const ivec2 strides = ivec2("+u+", "+c+");\n      const ivec2 pads = ivec2("+a+", "+s+");\n\n      void main() {\n\n        ivec4 coords = getOutputCoords();\n        int batch = coords.x;\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int d2 = coords.w;\n        int d1 = d2;\n        int q = 0;\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        vec4 dotProd = vec4(0.);\n\n        "+m+"\n\n        vec4 result = dotProd;\n        "+k+"\n        "+w+"\n        setOutput(result);\n      }\n    ";};function Bo(t,e){if(1===t)return ""+e;if(2===t)return e+".y";if(3===t)return e+".z";if(4===t)return e+".w";throw Error("Cumulative sum for rank "+t+" is not yet supported");}var Po=function(){function t(t,e,n){this.variableNames=["x"],this.outputShape=[],this.outputShape=t,this.blockSize=e,this.dataFormat=n,this.userCode="\n    void main() {\n      ivec4 coords = getOutputCoords();\n      int b = coords[0];\n      int h = "+this.getHeightCoordString()+";\n      int w = "+this.getWidthCoordString()+";\n      int d = "+this.getDepthCoordString()+";\n\n      int in_h = h / "+e+";\n      int offset_h = imod(h, "+e+");\n      int in_w = w / "+e+";\n      int offset_w = imod(w, "+e+");\n      int offset_d = (offset_h * "+e+" + offset_w) *\n        "+this.getOutputDepthSize()+";\n      int in_d = d + offset_d;\n\n      float result = "+this.getInputSamplingString()+";\n      setOutput(result);\n    }\n  ";}return t.prototype.getHeightCoordString=function(){return "NHWC"===this.dataFormat?"coords[1]":"coords[2]";},t.prototype.getWidthCoordString=function(){return "NHWC"===this.dataFormat?"coords[2]":"coords[3]";},t.prototype.getDepthCoordString=function(){return "NHWC"===this.dataFormat?"coords[3]":"coords[1]";},t.prototype.getOutputDepthSize=function(){return "NHWC"===this.dataFormat?this.outputShape[3]:this.outputShape[1];},t.prototype.getInputSamplingString=function(){return "NHWC"===this.dataFormat?"getX(b, in_h, in_w, in_d)":"getX(b, in_d, in_h, in_w)";},t;}(),Lo=function Lo(t,e,n){this.variableNames=["real","imag"];var r=e[1];this.outputShape=e;var i=n?"2.0 * "+Math.PI:"-2.0 * "+Math.PI,o=n?r+".0":"1.0";this.userCode="\n      const float exponentMultiplier = "+i+";\n\n      float unaryOpComplex(float real, float expR, float imag, float expI) {\n        "+t+"\n      }\n\n      float mulMatDFT(int batch, int index) {\n        float indexRatio = float(index) / float("+r+");\n        float exponentMultiplierTimesIndexRatio =\n            exponentMultiplier * indexRatio;\n\n        float result = 0.0;\n\n        for (int i = 0; i < "+r+"; i++) {\n          // x = (-2|2 * PI / N) * index * i;\n          float x = exponentMultiplierTimesIndexRatio * float(i);\n          float expR = cos(x);\n          float expI = sin(x);\n          float real = getReal(batch, i);\n          float imag = getImag(batch, i);\n\n          result +=\n              unaryOpComplex(real, expR, imag, expI) / "+o+";\n  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Float32Array([-1,1,0,0,1,-1,-1,0,0,0,1,1,0,1,1,1,-1,0,1,0]));}function Vo(t,e){return ve(t,e,new Uint16Array([0,1,2,2,1,3]));}function qo(t,e,n,r,i,o,a){be(n,r);var s=ye(t,e),u=t.TEXTURE_2D;return ne(t,e,function(){return t.bindTexture(u,s);}),ne(t,e,function(){return t.texParameteri(u,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE);}),ne(t,e,function(){return t.texParameteri(u,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE);}),ne(t,e,function(){return t.texParameteri(u,t.TEXTURE_MIN_FILTER,t.NEAREST);}),ne(t,e,function(){return t.texParameteri(u,t.TEXTURE_MAG_FILTER,t.NEAREST);}),ne(t,e,function(){return t.texImage2D(u,0,i,n,r,0,o,a,null);}),ne(t,e,function(){return t.bindTexture(t.TEXTURE_2D,null);}),s;}function $o(t,e,n,r,i){var o=Qt(n,r);return qo(t,e,o[0],o[1],i.internalFormatFloat,i.textureFormatFloat,t.FLOAT);}function Ho(t,e,n,r,i){var o=Qt(n,r);return qo(t,e,o[0],o[1],i.internalFormatHalfFloat,i.textureFormatFloat,i.textureTypeHalfFloat);}function Go(t,e,n,r,i){var o=Qt(n,r);return qo(t,e,o[0],o[1],t.RGBA,t.RGBA,t.UNSIGNED_BYTE);}function Ko(t,e,n,r,i){var o=te(n,r);return qo(t,e,o[0],o[1],i.internalFormatPackedFloat,t.RGBA,t.FLOAT);}function Xo(t,e,n,r,i){var o=te(n,r);return qo(t,e,o[0],o[1],i.internalFormatPackedHalfFloat,t.RGBA,i.textureTypeHalfFloat);}function Yo(t,e,n,r){return ne(t,e,function(){return t.bindBuffer(t.ARRAY_BUFFER,r);}),we(t,e,n,"clipSpacePos",r,3,20,0)&&we(t,e,n,"uv",r,2,20,12);}function Jo(t,e,n,r,i,o,a){var s,u,c;ne(t,e,function(){return t.bindTexture(t.TEXTURE_2D,n);}),o instanceof Uint8Array?(s=new Uint8Array(r*i*4),u=t.UNSIGNED_BYTE,c=t.RGBA):(s=new Float32Array(r*i*4),u=t.FLOAT,c=a.internalFormatPackedFloat),s.set(o),ne(t,e,function(){return t.texImage2D(t.TEXTURE_2D,0,c,r,i,0,t.RGBA,u,s);}),ne(t,e,function(){return t.bindTexture(t.TEXTURE_2D,null);});}function Qo(t,e,n,r){ne(t,e,function(){return t.bindTexture(t.TEXTURE_2D,n);}),r.data instanceof Uint8Array?ne(t,e,function(){return t.texImage2D(t.TEXTURE_2D,0,t.RGBA,r.width,r.height,0,t.RGBA,t.UNSIGNED_BYTE,r.data);}):ne(t,e,function(){return t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r);}),ne(t,e,function(){return t.bindTexture(t.TEXTURE_2D,null);});}function Zo(t,e,n,r,i){var o=t.createBuffer();ne(t,e,function(){return t.bindBuffer(t.PIXEL_PACK_BUFFER,o);});var a=16*n*r;return ne(t,e,function(){return t.bufferData(t.PIXEL_PACK_BUFFER,a,t.STREAM_READ);}),ne(t,e,function(){return t.readPixels(0,0,r,n,t.RGBA,t.FLOAT,0);}),ne(t,e,function(){return t.bindBuffer(t.PIXEL_PACK_BUFFER,null);}),o;}function ta(t,e,n){var r=t,i=new Float32Array(n);return r.bindBuffer(r.PIXEL_PACK_BUFFER,e),r.getBufferSubData(r.PIXEL_PACK_BUFFER,0,i),r.bindBuffer(r.PIXEL_PACK_BUFFER,null),i;}function ea(t,e,n,r,i){var o=Qt(n,r),a=o[0],s=o[1],u=new Uint8Array(n*r*4);return ne(t,e,function(){return t.readPixels(0,0,a,s,i.downloadTextureFormat,t.UNSIGNED_BYTE,u);}),new Float32Array(u.buffer);}function na(t,e,n,r,i,o,a,s){var u=t,c=new Float32Array(function(t,e){var n=te(o,a);return n[0]*n[1]*4;}());return u.bindBuffer(u.PIXEL_PACK_BUFFER,e),u.getBufferSubData(u.PIXEL_PACK_BUFFER,0,c),u.bindBuffer(u.PIXEL_PACK_BUFFER,null),c;}function ra(t,e,n,r){var i=new Float32Array(n*r*4);return ne(t,e,function(){return t.readPixels(0,0,r,n,t.RGBA,t.FLOAT,i);}),i;}var ia=Object.freeze({createVertexShader:Uo,createVertexBuffer:Wo,createIndexBuffer:Vo,createFloat32MatrixTexture:$o,createFloat16MatrixTexture:Ho,createUnsignedBytesMatrixTexture:Go,createPackedMatrixTexture:Ko,createFloat16PackedMatrixTexture:Xo,bindVertexProgramAttributeStreams:Yo,uploadDenseMatrixToTexture:Jo,uploadPixelDataToTexture:Qo,createBufferFromOutputTexture:Zo,downloadFloat32MatrixFromBuffer:ta,downloadByteEncodedFloatMatrixFromOutputTexture:ea,downloadPackedMatrixFromBuffer:na,downloadMatrixFromPackedOutputTexture:ra}),oa=function(){function t(t){this.outputTexture=null,this.program=null,this.disposed=!1,this.vertexAttrsAreBound=!1,this.itemsToPoll=[];var e=f().getNumber("WEBGL_VERSION");null!=t?(this.gl=t,Yt(e,t)):this.gl=Jt(e);var n="WEBGL_color_buffer_float";if(1===f().getNumber("WEBGL_VERSION")){if(this.textureFloatExtension=se(this.gl,this.debug,"OES_texture_float"),Ue(this.gl,"OES_texture_half_float"))this.textureHalfFloatExtension=se(this.gl,this.debug,"OES_texture_half_float");else if(f().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support half float textures, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.");if(this.colorBufferFloatExtension=this.gl.getExtension(n),Ue(this.gl,"EXT_color_buffer_half_float"))this.colorBufferHalfFloatExtension=se(this.gl,this.debug,"EXT_color_buffer_half_float");else if(f().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support color renderable half floats, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.");}else if(n="EXT_color_buffer_float",Ue(this.gl,n))this.colorBufferFloatExtension=this.gl.getExtension(n);else {if(!Ue(this.gl,"EXT_color_buffer_half_float"))throw new Error("GL context does not support color renderable floats");this.colorBufferHalfFloatExtension=this.gl.getExtension("EXT_color_buffer_half_float");}this.vertexBuffer=Wo(this.gl,this.debug),this.indexBuffer=Vo(this.gl,this.debug),this.framebuffer=xe(this.gl,this.debug),this.textureConfig=ee(this.gl,this.textureHalfFloatExtension);}return Object.defineProperty(t.prototype,"debug",{get:function get(){return f().getBool("DEBUG");},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){var t=this;if(!this.disposed){null!=this.program&&console.warn("Disposing a GPGPUContext that still has a bound WebGLProgram. This is probably a resource leak, delete the program with GPGPUContext.deleteProgram before disposing."),null!=this.outputTexture&&console.warn("Disposing a GPGPUContext that still has a bound output matrix texture.  This is probably a resource leak, delete the output matrix texture with GPGPUContext.deleteMatrixTexture before disposing.");var e=this.gl;ne(e,this.debug,function(){return e.finish();}),ne(e,this.debug,function(){return e.bindFramebuffer(e.FRAMEBUFFER,null);}),ne(e,this.debug,function(){return e.deleteFramebuffer(t.framebuffer);}),ne(e,this.debug,function(){return e.bindBuffer(e.ARRAY_BUFFER,null);}),ne(e,this.debug,function(){return e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null);}),ne(e,this.debug,function(){return e.deleteBuffer(t.indexBuffer);}),this.disposed=!0;}},t.prototype.createFloat32MatrixTexture=function(t,e){return this.throwIfDisposed(),$o(this.gl,this.debug,t,e,this.textureConfig);},t.prototype.createFloat16MatrixTexture=function(t,e){return this.throwIfDisposed(),Ho(this.gl,this.debug,t,e,this.textureConfig);},t.prototype.createUnsignedBytesMatrixTexture=function(t,e){return this.throwIfDisposed(),Go(this.gl,this.debug,t,e,this.textureConfig);},t.prototype.uploadPixelDataToTexture=function(t,e){this.throwIfDisposed(),Qo(this.gl,this.debug,t,e);},t.prototype.uploadDenseMatrixToTexture=function(t,e,n,r){this.throwIfDisposed(),Jo(this.gl,this.debug,t,e,n,r,this.textureConfig);},t.prototype.createFloat16PackedMatrixTexture=function(t,e){return this.throwIfDisposed(),Xo(this.gl,this.debug,t,e,this.textureConfig);},t.prototype.createPackedMatrixTexture=function(t,e){return this.throwIfDisposed(),Ko(this.gl,this.debug,t,e,this.textureConfig);},t.prototype.deleteMatrixTexture=function(t){var e=this;this.throwIfDisposed(),this.outputTexture===t&&(_e(this.gl,this.debug,this.framebuffer),this.outputTexture=null),ne(this.gl,this.debug,function(){return e.gl.deleteTexture(t);});},t.prototype.downloadByteEncodedFloatMatrixFromOutputTexture=function(t,e,n){var r=this;return this.downloadMatrixDriver(t,function(){return ea(r.gl,r.debug,e,n,r.textureConfig);});},t.prototype.downloadPackedMatrixFromBuffer=function(t,e,n,r,i,o){return na(this.gl,t,0,0,0,i,o,this.textureConfig);},t.prototype.downloadFloat32MatrixFromBuffer=function(t,e){return ta(this.gl,t,e);},t.prototype.createBufferFromTexture=function(t,e,n){this.bindTextureToFrameBuffer(t);var r=Zo(this.gl,this.debug,e,n,this.textureConfig);return this.unbindTextureToFrameBuffer(),r;},t.prototype.createAndWaitForFence=function(){var t=this.createFence(this.gl);return this.pollFence(t);},t.prototype.createFence=function(t){var e,n,r=this;if(f().getBool("WEBGL_FENCE_API_ENABLED")){var i=t,o=i.fenceSync(i.SYNC_GPU_COMMANDS_COMPLETE,0);t.flush(),n=function n(){var t=i.clientWaitSync(o,0,0);return t===i.ALREADY_SIGNALED||t===i.CONDITION_SATISFIED;},e=o;}else f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")>0?(e=this.beginQuery(),this.endQuery(),n=function n(){return r.isQueryAvailable(e,f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"));}):n=function n(){return !0;};return {query:e,isFencePassed:n};},t.prototype.downloadMatrixFromPackedTexture=function(t,e,n){var r=this;return this.downloadMatrixDriver(t,function(){return ra(r.gl,r.debug,e,n);});},t.prototype.createProgram=function(t){this.throwIfDisposed();var e=this.gl,n=ce(e,this.debug,t),r=Uo(e,this.debug),i=de(e,this.debug);return ne(e,this.debug,function(){return e.attachShader(i,r);}),ne(e,this.debug,function(){return e.attachShader(i,n);}),pe(e,this.debug,i),this.debug&&me(e,this.debug,i),this.vertexAttrsAreBound||(this.setProgram(i),this.vertexAttrsAreBound=Yo(e,this.debug,this.program,this.vertexBuffer)),i;},t.prototype.deleteProgram=function(t){var e=this;this.throwIfDisposed(),t===this.program&&(this.program=null),null!=t&&ne(this.gl,this.debug,function(){return e.gl.deleteProgram(t);});},t.prototype.setProgram=function(t){var e=this;this.throwIfDisposed(),this.program=t,null!=this.program&&this.debug&&me(this.gl,this.debug,this.program),ne(this.gl,this.debug,function(){return e.gl.useProgram(t);});},t.prototype.getUniformLocation=function(t,e,n){return void 0===n&&(n=!0),this.throwIfDisposed(),n?Ee(this.gl,this.debug,t,e):Ce(this.gl,t,e);},t.prototype.getAttributeLocation=function(t,e){var n=this;return this.throwIfDisposed(),ne(this.gl,this.debug,function(){return n.gl.getAttribLocation(t,e);});},t.prototype.getUniformLocationNoThrow=function(t,e){return this.throwIfDisposed(),this.gl.getUniformLocation(t,e);},t.prototype.setInputMatrixTexture=function(t,e,n){this.throwIfDisposed(),this.throwIfNoProgram(),Ae(this.gl,this.debug,this.program,t,e,n);},t.prototype.setOutputMatrixTexture=function(t,e,n){this.setOutputMatrixTextureDriver(t,n,e);},t.prototype.setOutputPackedMatrixTexture=function(t,e,n){this.throwIfDisposed();var r=te(e,n),i=r[0],o=r[1];this.setOutputMatrixTextureDriver(t,i,o);},t.prototype.setOutputMatrixWriteRegion=function(t,e,n,r){this.setOutputMatrixWriteRegionDriver(n,t,r,e);},t.prototype.setOutputPackedMatrixWriteRegion=function(t,e,n,r){throw new Error("setOutputPackedMatrixWriteRegion not implemented.");},t.prototype.debugValidate=function(){null!=this.program&&me(this.gl,this.debug,this.program),Se(this.gl);},t.prototype.executeProgram=function(){this.throwIfDisposed(),this.throwIfNoProgram();var t=this.gl;this.debug&&this.debugValidate(),ne(t,this.debug,function(){return t.drawElements(t.TRIANGLES,6,t.UNSIGNED_SHORT,0);});},t.prototype.blockUntilAllProgramsCompleted=function(){var t=this;this.throwIfDisposed(),ne(this.gl,this.debug,function(){return t.gl.finish();});},t.prototype.getQueryTimerExtension=function(){return null==this.disjointQueryTimerExtension&&(this.disjointQueryTimerExtension=se(this.gl,this.debug,2===f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")?"EXT_disjoint_timer_query_webgl2":"EXT_disjoint_timer_query")),this.disjointQueryTimerExtension;},t.prototype.getQueryTimerExtensionWebGL2=function(){return this.getQueryTimerExtension();},t.prototype.getQueryTimerExtensionWebGL1=function(){return this.getQueryTimerExtension();},t.prototype.beginQuery=function(){if(2===f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")){var t=this.gl,e=this.getQueryTimerExtensionWebGL2(),n=t.createQuery();return t.beginQuery(e.TIME_ELAPSED_EXT,n),n;}var r=this.getQueryTimerExtensionWebGL1(),i=r.createQueryEXT();return r.beginQueryEXT(r.TIME_ELAPSED_EXT,i),i;},t.prototype.endQuery=function(){if(2!==f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")){var t=this.getQueryTimerExtensionWebGL1();t.endQueryEXT(t.TIME_ELAPSED_EXT);}else {var e=this.gl,n=this.getQueryTimerExtensionWebGL2();e.endQuery(n.TIME_ELAPSED_EXT);}},t.prototype.waitForQueryAndGetTime=function(t){return u(this,void 0,void 0,function(){var e=this;return c(this,function(n){switch(n.label){case 0:return [4,B(function(){return e.disposed||e.isQueryAvailable(t,f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"));})];case 1:return n.sent(),[2,this.getQueryTime(t,f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))];}});});},t.prototype.getQueryTime=function(t,e){if(0===e)return null;if(2===e){var n=this.gl;return n.getQueryParameter(t,n.QUERY_RESULT)/1e6;}var r=this.getQueryTimerExtensionWebGL1();return r.getQueryObjectEXT(t,r.QUERY_RESULT_EXT)/1e6;},t.prototype.isQueryAvailable=function(t,e){if(0===e)return !0;if(2===e){var n=this.gl,r=this.getQueryTimerExtensionWebGL2(),i=n.getQueryParameter(t,n.QUERY_RESULT_AVAILABLE);return null==this.disjoint&&(this.disjoint=this.gl.getParameter(r.GPU_DISJOINT_EXT)),i&&!this.disjoint;}return i=(r=this.getQueryTimerExtensionWebGL1()).getQueryObjectEXT(t,r.QUERY_RESULT_AVAILABLE_EXT),null==this.disjoint&&(this.disjoint=this.gl.getParameter(r.GPU_DISJOINT_EXT)),i&&!this.disjoint;},t.prototype.pollFence=function(t){var e=this;return new Promise(function(n){e.addItemToPoll(function(){return t.isFencePassed();},function(){return n();});});},t.prototype.pollItems=function(){for(var t=function(t){for(var e=0;e<t.length&&t[e]();++e){}return e-1;}(this.itemsToPoll.map(function(t){return t.isDoneFn;})),e=0;e<=t;++e){(0, this.itemsToPoll[e].resolveFn)();}this.itemsToPoll=this.itemsToPoll.slice(t+1);},t.prototype.addItemToPoll=function(t,e){var n=this;this.itemsToPoll.push({isDoneFn:t,resolveFn:e}),this.itemsToPoll.length>1||B(function(){return n.pollItems(),0===n.itemsToPoll.length;});},t.prototype.bindTextureToFrameBuffer=function(t){this.throwIfDisposed(),Oe(this.gl,this.debug,t,this.framebuffer),this.debug&&Se(this.gl);},t.prototype.unbindTextureToFrameBuffer=function(){null!=this.outputTexture?(Oe(this.gl,this.debug,this.outputTexture,this.framebuffer),this.debug&&Se(this.gl)):_e(this.gl,this.debug,this.framebuffer);},t.prototype.downloadMatrixDriver=function(t,e){this.bindTextureToFrameBuffer(t);var n=e();return this.unbindTextureToFrameBuffer(),n;},t.prototype.setOutputMatrixTextureDriver=function(t,e,n){this.throwIfDisposed();var r=this.gl;Oe(r,this.debug,t,this.framebuffer),this.debug&&Se(r),this.outputTexture=t,ne(r,this.debug,function(){return r.viewport(0,0,e,n);}),ne(r,this.debug,function(){return r.scissor(0,0,e,n);});},t.prototype.setOutputMatrixWriteRegionDriver=function(t,e,n,r){var i=this;this.throwIfDisposed(),ne(this.gl,this.debug,function(){return i.gl.scissor(t,e,n,r);});},t.prototype.throwIfDisposed=function(){if(this.disposed)throw new Error("Attempted to use disposed GPGPUContext.");},t.prototype.throwIfNoProgram=function(){if(null==this.program)throw new Error("No GPU program is currently set.");},t;}();function aa(t,e){if(t.length!==e.length)throw Error("Binary was compiled with "+t.length+" inputs, but was executed with "+e.length+" inputs");t.forEach(function(t,n){var r=t.logicalShape,i=e[n],o=i.shape;if(!N(r,o))throw Error("Binary was compiled with different shapes than the current args. Shapes "+r+" and "+o+" must match");if(!t.isUniform||!i.isUniform){var a=t.texShape,s=i.isUniform?null:i.texData.texShape;if(!N(a,s))throw Error("Binary was compiled with different texture shapes than the current args. Shape "+a+" and "+s+" must match");}});}var sa=function sa(t,e,n,r,i,o,a){void 0===n&&(n=!1),void 0===r&&(r=!1),void 0===i&&(i=!1),void 0===o&&(o=null),void 0===a&&(a=!1),this.variableNames=["matrixA","matrixB"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e;var s=n?t[1]:t[2],u=Math.ceil(s/2),c=n?"i * 2, rc.y":"rc.y, i * 2",l=r?"rc.z, i * 2":"i * 2, rc.z",f=n?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],h=r?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],d="",p="";o&&(d=a?"vec4 activation(vec4 a) {\n          vec4 b = getPreluActivationWeightsAtOutCoords();\n          "+o+"\n        }":"vec4 activation(vec4 x) {\n          "+o+"\n        }",p="result = activation(result);");var m=i?"result += getBiasAtOutCoords();":"";i&&this.variableNames.push("bias"),a&&this.variableNames.push("preluActivationWeights"),this.userCode="\n      "+d+"\n\n      const float sharedDimension = "+u+".0;\n\n      vec4 dot2x2ARowBCol(ivec3 rc) {\n        vec4 result = vec4(0);\n        for (int i = 0; i < "+u+"; i++) {\n          vec4 a = getMatrixA(rc.x, "+c+");\n          vec4 b = getMatrixB(rc.x, "+l+");\n\n          // These swizzled products need to be separately added.\n          // See: https://github.com/tensorflow/tfjs/issues/1735\n          result += ("+f[0]+" * "+h[0]+");\n          result += ("+f[1]+" * "+h[1]+");\n        }\n        return result;\n      }\n\n      void main() {\n        ivec3 rc = getOutputCoords();\n        vec4 result = dot2x2ARowBCol(rc);\n\n        "+m+"\n\n        "+p+"\n\n        setOutput(result);\n      }\n    ";},ua=function(){function t(t,e,n){this.variableNames=["probs"],this.outputShape=[t,n],this.userCode="\n      uniform float seed;\n\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n\n        float r = random(seed);\n        float cdf = 0.0;\n\n        for (int i = 0; i < "+(e-1)+"; i++) {\n          cdf += getProbs(batch, i);\n\n          if (r < cdf) {\n            setOutput(float(i));\n            return;\n          }\n        }\n\n        // If no other event happened, last event happened.\n        setOutput(float("+(e-1)+"));\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t){var e=this;return function(n,r){null==e.seedLoc&&(e.seedLoc=n.getUniformLocation(r,"seed")),n.gl.uniform1f(e.seedLoc,t);};},t;}(),ca=function ca(t,e,n){if(this.variableNames=["x"],"avg"===e&&n)throw new Error("Cannot compute positions for average pool.");var r=t.filterWidth,i=t.strideHeight,o=t.strideWidth,a=t.dilationHeight,s=t.dilationWidth,u=t.effectiveFilterHeight,c=t.effectiveFilterWidth,l=t.padInfo.top,f=t.padInfo.left;this.outputShape=t.outShape;var h="avg"===e,d="0.0";if(h||(d="-1.0 / 1e-20"),n)this.userCode="\n        const ivec2 strides = ivec2("+i+", "+o+");\n        const ivec2 pads = ivec2("+l+", "+f+");\n\n        void main() {\n          ivec4 coords = getOutputCoords();\n          int batch = coords[0];\n          int d = coords[3];\n\n          ivec2 xRCCorner = coords.yz * strides - pads;\n          int xRCorner = xRCCorner.x;\n          int xCCorner = xRCCorner.y;\n\n          // max/min x(?, ?, d) to get y(yR, yC, d).\n          // ? = to be determined\n          float minMaxValue = 0.0;\n          float minMaxValueFound = 0.0;\n          int minMaxPosition = 0;\n          float avgValue = 0.0;\n\n          for (int wR = 0; wR < "+u+";\n              wR += "+a+") {\n            int xR = xRCorner + wR;\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+c+";\n                wC += "+s+") {\n              int xC = xCCorner + wC;\n\n              if (xC < 0 || xC >= "+t.inWidth+") {\n                continue;\n              }\n\n              float value = getX(batch, xR, xC, d);\n\n              // If a min / max value has already been found, use it. If not,\n              // use the current value.\n              float currMinMaxValue = mix(\n                  value, minMaxValue, minMaxValueFound);\n              if (value >= currMinMaxValue) {\n                minMaxValue = value;\n                minMaxValueFound = 1.0;\n                minMaxPosition = wR * "+c+" + wC;\n              }\n            }\n          }\n          setOutput(float(minMaxPosition));\n        }\n      ";else {var p=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"avg"===e&&(p="avgValue / count");var m=4*Math.floor(r/4),g=r%4,v="\n      if ("+h+") {\n        avgValue += dot(values, ones);\n      } else {\n        minMaxValue = max(values, minMaxValue);\n      }\n    ";this.userCode="\n      const ivec2 strides = ivec2("+i+", "+o+");\n      const ivec2 pads = ivec2("+l+", "+f+");\n      const float initializationValue = "+d+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float count = 0.0;\n\n      float getValue(int batch, int xR, int xC, int d) {\n        if (xC < 0 || xC >= "+t.inWidth+") {\n          return initializationValue;\n        }\n        count += 1.0;\n        return getX(batch, xR, xC, d);\n      }\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d = coords[3];\n\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // max/min x(?, ?, d) to get y(yR, yC, d).\n        // ? = to be determined\n        vec4 minMaxValue = vec4("+d+");\n        float avgValue = 0.0;\n        count = 0.0;\n\n        for (int wR = 0; wR < "+u+";\n            wR += "+a+") {\n          int xR = xRCorner + wR;\n\n          if (xR < 0 || xR >= "+t.inHeight+") {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+m+"; wC += 4) {\n            int xC = xCCorner + wC * "+s+";\n\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+s+", d),\n              getValue(batch, xR, xC + 2 * "+s+", d),\n              getValue(batch, xR, xC + 3 * "+s+", d)\n            );\n\n            "+v+"\n          }\n\n          int xC = xCCorner + "+m+";\n          if ("+(1===g)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              initializationValue,\n              initializationValue,\n              initializationValue\n            );\n\n            "+v+"\n          } else if ("+(2===g)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+s+", d),\n              initializationValue,\n              initializationValue\n            );\n\n            "+v+"\n          } else if ("+(3===g)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+s+", d),\n              getValue(batch, xR, xC + 2 * "+s+", d),\n              initializationValue\n            );\n\n            "+v+"\n          }\n        }\n        setOutput("+p+");\n      }\n    ";}},la=function la(t,e,n){if(this.variableNames=["x"],"avg"===e&&n)throw new Error("Cannot compute positions for average pool.");var r=t.filterWidth,i=t.strideDepth,o=t.strideHeight,a=t.strideWidth,s=t.dilationDepth,u=t.dilationHeight,c=t.dilationWidth,l=t.effectiveFilterDepth,f=t.effectiveFilterHeight,h=t.effectiveFilterWidth,d=t.padInfo.front,p=t.padInfo.top,m=t.padInfo.left;this.outputShape=t.outShape;var g="avg"===e,v="0.0";if(g||(v="-1.0 / 1e-20"),n)this.userCode="\n        const ivec3 strides =\n            ivec3("+i+", "+o+", "+a+");\n        const ivec3 pads = ivec3("+d+", "+p+", "+m+");\n\n        void main() {\n          ivec5 coords = getOutputCoords();\n          int batch = coords.x;\n          int ch = coords.u;\n\n          ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n          int xDCorner = xCorner.x;\n          int xRCorner = xCorner.y;\n          int xCCorner = xCorner.z;\n\n          // max/min x(?, ?, ?, ch) to get y(yD, yR, yC, ch).\n          // ? = to be determined\n          float minMaxValue = 0.0;\n          float minMaxValueFound = 0.0;\n          int minMaxPosition = 0;\n\n          for (int wD = 0; wD < "+l+";\n              wD += "+s+") {\n            int xD = xDCorner + wD;\n\n            if (xD < 0 || xD >= "+t.inDepth+") {\n              continue;\n            }\n\n            for (int wR = 0; wR < "+f+";\n                wR += "+u+") {\n              int xR = xRCorner + wR;\n\n              if (xR < 0 || xR >= "+t.inHeight+") {\n                continue;\n              }\n\n              for (int wC = 0; wC < "+h+";\n                  wC += "+c+") {\n                int xC = xCCorner + wC;\n\n                if (xC < 0 || xC >= "+t.inWidth+") {\n                  continue;\n                }\n\n                float value = getX(batch, xD, xR, xC, ch);\n\n                // If a min / max value has already been found, use it. If not,\n                // use the current value.\n                float currMinMaxValue = mix(\n                    value, minMaxValue, minMaxValueFound);\n                if (value >= currMinMaxValue) {\n                  minMaxValue = value;\n                  minMaxValueFound = 1.0;\n                  minMaxPosition =\n                      wD * "+f+" * "+h+" +\n                      wR * "+h+" + wC;;\n                }\n              }\n            }\n          }\n          setOutput(float(minMaxPosition));\n        }\n      ";else {var y=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"avg"===e&&(y="avgValue / count");var b=4*Math.floor(r/4),x=r%4,w="\n      if ("+g+") {\n        avgValue += dot(values, ones);\n      } else {\n        minMaxValue = max(values, minMaxValue);\n      }\n    ";this.userCode="\n      const ivec3 strides =\n        ivec3("+i+", "+o+", "+a+");\n      const ivec3 pads = ivec3("+d+", "+p+", "+m+");\n      const float initializationValue = "+v+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float count = 0.0;\n\n      float getValue(int batch, int xD, int xR, int xC, int ch) {\n        if (xC < 0 || xC >= "+t.inWidth+") {\n          return initializationValue;\n        }\n        count += 1.0;\n        return getX(batch, xD, xR, xC, ch);\n      }\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n        int xDCorner = xCorner.x;\n        int xRCorner = xCorner.y;\n        int xCCorner = xCorner.z;\n\n        // max/min x(?, ?, ?, d) to get y(yD, yR, yC, ch).\n        // ? = to be determined\n        vec4 minMaxValue = vec4("+v+");\n        float avgValue = 0.0;\n        count = 0.0;\n\n        for (int wD = 0; wD < "+l+";\n            wD += "+s+") {\n          int xD = xDCorner + wD;\n\n          if (xD < 0 || xD >= "+t.inDepth+") {\n            continue;\n          }\n\n          for (int wR = 0; wR < "+f+";\n            wR += "+u+") {\n            int xR = xRCorner + wR;\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+b+"; wC += 4) {\n              int xC = xCCorner + wC * "+c+";\n\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+c+", ch),\n                getValue(batch, xD, xR, xC + 2 * "+c+", ch),\n                getValue(batch, xD, xR, xC + 3 * "+c+", ch)\n              );\n\n              "+w+"\n            }\n\n            int xC = xCCorner + "+b+";\n            if ("+(1===x)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                initializationValue,\n                initializationValue,\n                initializationValue\n              );\n\n              "+w+"\n            } else if ("+(2===x)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+c+", ch),\n                initializationValue,\n                initializationValue\n              );\n\n              "+w+"\n            } else if ("+(3===x)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+c+", ch),\n                getValue(batch, xD, xR, xC + 2 * "+c+", ch),\n                initializationValue\n              );\n\n              "+w+"\n            }\n          }\n          setOutput("+y+");\n        }\n      }\n    ";}},fa=function fa(t,e,n,r,i,o,a){this.variableNames=["updates","indices","defaultValue"],this.outputShape=o;var s=xo(i.length),u=xo(o.length),c="";1===n?c="i":2===n&&(c="i, j");var l="getIndices("+c+")",f="";1===r?f="i":2===r&&(f="i, coords[1]");var h="getUpdates("+f+")",d=e>1?"strides[j]":"strides";this.userCode="\n        "+s+" strides = "+s+"("+i+");\n\n        void main() {\n          "+u+" coords = getOutputCoords();\n          float sum = 0.0;\n          bool found = false;\n          for (int i = 0; i < "+t+"; i++) {\n            int flattenedIndex = 0;\n            for (int j = 0; j < "+e+"; j++) {\n              int index = round("+l+");\n              flattenedIndex += index * "+d+";\n            }\n            if (flattenedIndex == coords[0]) {\n              sum += "+h+";\n              found = true;\n            }\n          }\n          setOutput(mix(getDefaultValue(), sum, float(found)));\n        }\n      ";},ha=function(){function t(t){this.variableNames=["source"],this.outputShape=t,this.rank=t.length;var e,n=xo(this.rank),r="uniform int start["+this.rank+"];",i=function(t){if(1===t)return "sourceLoc";if(t<=6)return da.slice(0,t).map(function(t){return "sourceLoc."+t;}).join(",");throw Error("Slicing for rank "+t+" is not yet supported");}(this.rank);e="\n        "+n+" sourceLoc;\n        "+n+" coords = getOutputCoords();\n        "+t.map(function(t,e){return "sourceLoc."+da[e]+" = start["+e+"] + coords."+da[e]+";";}).join("\n")+"\n      ",this.userCode="\n      "+r+"\n      void main() {\n        "+e+"\n        setOutput(getSource("+i+"));\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t){var e=this;if(t.length!==this.rank)throw Error("The rank ("+this.rank+") of the program must match the length of start ("+t.length+")");return function(n,r){null==e.startLoc&&(e.startLoc=n.getUniformLocationNoThrow(r,"start"),null==e.startLoc)||n.gl.uniform1iv(e.startLoc,t);};},t;}(),da=["x","y","z","w","u","v"],pa=function(){function t(t){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.rank=t.length;var e=xo(this.rank),n=so("coords",this.rank),r=so("sourceLoc",this.rank),i=1===this.rank?"sourceLoc":"vec2("+r.slice(-2).join()+")",o="getChannel(getSource("+r.join()+"), "+i+")",a="\n      result.x = "+o+";\n      if (++"+n[this.rank-1]+" < "+t[this.rank-1]+") {\n        ++"+r[this.rank-1]+";\n        result.y = "+o+";\n        --"+r[this.rank-1]+";\n      }\n    ",s=1===this.rank?"":"\n      --"+n[this.rank-1]+";\n      if (++"+n[this.rank-2]+" < "+t[this.rank-2]+") {\n        ++"+r[this.rank-2]+";\n        result.z = "+o+";\n        if (++"+n[this.rank-1]+" < "+t[this.rank-1]+") {\n          ++"+r[this.rank-1]+";\n          result.w = "+o+";\n        }\n      }\n    ",u=this.rank<=4?"sourceLoc = coords +\n            "+e+"("+t.map(function(t,e){return "start["+e+"]";}).join()+");":t.map(function(t,e){return r[e]+" = "+n[e]+" + start["+e+"];";}).join("\n");this.userCode="\n      uniform int start["+this.rank+"];\n      void main() {\n        "+e+" coords = getOutputCoords();\n        "+e+" sourceLoc;\n        "+u+"\n        vec4 result = vec4(0.);\n        "+a+"\n        "+s+"\n        setOutput(result);\n      }\n    ";}return t.prototype.getCustomSetupFunc=function(t){var e=this;if(t.length!==this.rank)throw Error("The rank ("+this.rank+") of the program must match the length of start ("+t.length+")");return function(n,r){null==e.startLoc&&(e.startLoc=n.getUniformLocationNoThrow(r,"start"),null==e.startLoc)||n.gl.uniform1iv(e.startLoc,t);};},t;}(),ma=function(){function t(t){this.gpgpu=t,this.numUsedTextures=0,this.numFreeTextures=0,this.freeTextures={},this.logEnabled=!1,this.usedTextures={};}return t.prototype.acquireTexture=function(t,e,n){var r,i=ga(e,n),o=va(t,i,n);if(o in this.freeTextures||(this.freeTextures[o]=[]),o in this.usedTextures||(this.usedTextures[o]=[]),this.freeTextures[o].length>0){this.numFreeTextures--,this.numUsedTextures++,this.log();var a=this.freeTextures[o].shift();return this.usedTextures[o].push(a),a;}return this.numUsedTextures++,this.log(),i===Gt.PACKED_2X2_FLOAT32?r=this.gpgpu.createPackedMatrixTexture(t[0],t[1]):i===Gt.PACKED_2X2_FLOAT16?r=this.gpgpu.createFloat16PackedMatrixTexture(t[0],t[1]):i===Gt.UNPACKED_FLOAT32?r=this.gpgpu.createFloat32MatrixTexture(t[0],t[1]):i===Gt.UNPACKED_FLOAT16?r=this.gpgpu.createFloat16MatrixTexture(t[0],t[1]):i===Gt.PACKED_4X1_UNSIGNED_BYTE&&(r=this.gpgpu.createUnsignedBytesMatrixTexture(t[0],t[1])),this.usedTextures[o].push(r),r;},t.prototype.releaseTexture=function(t,e,n,r){if(null!=this.freeTextures){var i=va(e,ga(n,r),r);i in this.freeTextures||(this.freeTextures[i]=[]),this.freeTextures[i].push(t),this.numFreeTextures++,this.numUsedTextures--;var o=this.usedTextures[i],a=o.indexOf(t);if(a<0)throw new Error("Cannot release a texture that was never provided by this texture manager");o.splice(a,1),this.log();}},t.prototype.log=function(){if(this.logEnabled){var t=this.numFreeTextures+this.numUsedTextures;console.log("Free/Used",this.numFreeTextures+" / "+this.numUsedTextures,"("+t+")");}},t.prototype.getNumUsedTextures=function(){return this.numUsedTextures;},t.prototype.getNumFreeTextures=function(){return this.numFreeTextures;},t.prototype.dispose=function(){var t=this;if(null!=this.freeTextures){for(var e in this.freeTextures){this.freeTextures[e].forEach(function(e){t.gpgpu.deleteMatrixTexture(e);});}for(var e in this.usedTextures){this.usedTextures[e].forEach(function(e){t.gpgpu.deleteMatrixTexture(e);});}this.freeTextures=null,this.usedTextures=null,this.numUsedTextures=0,this.numFreeTextures=0;}},t;}();function ga(t,e){if(t===Ht.UPLOAD)return Gt.PACKED_2X2_FLOAT32;if(t===Ht.RENDER||null==t)return function(t){return f().getBool("WEBGL_RENDER_FLOAT32_ENABLED")?t?Gt.PACKED_2X2_FLOAT32:Gt.UNPACKED_FLOAT32:t?Gt.PACKED_2X2_FLOAT16:Gt.UNPACKED_FLOAT16;}(e);if(t===Ht.DOWNLOAD||t===Ht.PIXELS)return Gt.PACKED_4X1_UNSIGNED_BYTE;throw new Error("Unknown logical texture type "+t);}function va(t,e,n){return t[0]+"_"+t[1]+"_"+e+"_"+n;}var ya=1.7580993408473768,ba=1.0507009873554805,xa=function xa(t,e){this.variableNames=["A"],this.outputShape=t,this.userCode="\n      float unaryOperation(float x) {\n        "+e+"\n      }\n\n      void main() {\n        float x = getAAtOutCoords();\n        float y = unaryOperation(x);\n\n        setOutput(y);\n      }\n    ";},wa="if (isnan(x)) return x;",ka="return x;",Ea="return abs(x);",Ca=wa+"\n  return (x < 0.0) ? 0.0 : x;\n",Aa=wa+"\n  return (x < 0.0) ? 0.0 : min(6.0, x);\n",Oa="return (x >= 0.0) ? x : (exp(x) - 1.0);",_a="return -x;",Sa="return ceil(x);",Da="return floor(x);",Fa="return exp(x);",Ta="return exp(x) - 1.0;",Na="return x;",Ia="return x;",Ra="\n  vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n",Ma="\n  vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n",ja="\n  vec4 result;\n\n  result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);\n  result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);\n  result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);\n  result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);\n\n  return result;\n",Ba=function Ba(t,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.userCode="\n      vec4 unaryOperation(vec4 x) {\n        "+e+"\n      }\n\n      void main() {\n        vec4 x = getAAtOutCoords();\n        vec4 y = unaryOperation(x);\n\n        setOutput(y);\n      }\n    ";},Pa={};function La(t,e){if(void 0===e&&(e=!1),"linear"===t)return e?Ia:ka;if("relu"===t)return e?Ra:Ca;if("elu"===t)return e?ja:Oa;if("relu6"===t)return e?Ma:Aa;if("prelu"===t)return e?Do:_o;throw new Error("Activation "+t+" has not been implemented for the WebGL backend.");}var za=600,Ua=function(t){function e(e){var n,r=t.call(this)||this;if(r.pendingRead=new WeakMap(),r.pendingDisposal=new WeakSet(),r.dataRefCount=new WeakMap(),r.numBytesInGPU=0,r.uploadWaitMs=0,r.downloadWaitMs=0,r.warnedAboutMemory=!1,r.pendingDeletes=0,r.disposed=!1,!f().getBool("HAS_WEBGL"))throw new Error("WebGL is not supported on this device");if(null==e){var i=Jt(f().getNumber("WEBGL_VERSION"));r.binaryCache=(n=f().getNumber("WEBGL_VERSION"))in Pa?Pa[n]:(Pa[n]={},Pa[n]),r.gpgpu=new oa(i),r.canvas=i.canvas,r.gpgpuCreatedLocally=!0;}else r.gpgpu=e,r.binaryCache={},r.gpgpuCreatedLocally=!1,r.canvas=e.gl.canvas;return r.textureManager=new ma(r.gpgpu),r.numMBBeforeWarning=null==f().global.screen?1024:f().global.screen.height*f().global.screen.width*window.devicePixelRatio*za/1024/1024,r.texData=new ki(r,Wt),r;}return s(e,t),e.prototype.numDataIds=function(){return this.texData.numDataIds()+(this.cpuBackend?this.cpuBackend.numDataIds():0)-this.pendingDeletes;},e.prototype.write=function(t,e,n){if(f().getBool("DEBUG")&&this.checkNumericalProblems(t),"complex64"===n&&null!=t)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");var r={};return this.texData.set(r,{shape:e,dtype:n,values:t,usage:Ht.UPLOAD}),r;},e.prototype.move=function(t,e,n,r){if(f().getBool("DEBUG")&&this.checkNumericalProblems(e),"complex64"===r)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");this.texData.set(t,{shape:n,dtype:r,values:e,usage:Ht.UPLOAD});},e.prototype.readSync=function(t){var e=this.texData.get(t),n=e.values,r=e.dtype,i=e.complexTensors,o=e.slice,a=e.shape,s=e.isPacked;if(null!=o){var u;u=s?new Ba(a,Na):new xa(a,Na);var c=this.runWebGLProgram(u,[{dataId:t,shape:a,dtype:r}],r),l=this.readSync(c.dataId);return this.disposeData(c.dataId),l;}if(null!=n)return this.convertAndCacheOnCPU(t);if("string"===r)return n;var f,h,d=null!=this.activeTimers;return d&&(f=at()),h="complex64"===r?qi(i.real.dataSync(),i.imag.dataSync()):this.getValuesFromTexture(t),d&&(this.downloadWaitMs+=at()-f),this.convertAndCacheOnCPU(t,h);},e.prototype.read=function(t){return u(this,void 0,void 0,function(){var e,n,r,i,o,a,s,u,l,h,d,p,m,g,v,y,b,x,w,k,E,C;return c(this,function(c){switch(c.label){case 0:if(this.pendingRead.has(t))return e=this.pendingRead.get(t),[2,new Promise(function(t){return e.push(t);})];if(n=this.texData.get(t),r=n.values,i=n.shape,o=n.slice,a=n.dtype,s=n.complexTensors,u=n.isPacked,null!=o)return l=void 0,l=u?new Ba(i,Na):new xa(i,Na),h=this.runWebGLProgram(l,[{dataId:t,shape:i,dtype:a}],a),d=this.read(h.dataId),this.disposeData(h.dataId),[2,d];if(null!=r)return [2,this.convertAndCacheOnCPU(t)];if(!f().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")&&2===f().getNumber("WEBGL_VERSION"))throw new Error("tensor.data() with WEBGL_DOWNLOAD_FLOAT_ENABLED=false and WEBGL_VERSION=2 not yet supported.");return p=null,"complex64"!==a&&f().get("WEBGL_BUFFER_SUPPORTED")&&(m=this.decode(t),g=this.texData.get(m.dataId),p=(C=this.gpgpu).createBufferFromTexture.apply(C,[g.texture].concat(Zt(i)))),this.pendingRead.set(t,[]),"complex64"===a?[3,2]:[4,this.gpgpu.createAndWaitForFence()];case 1:c.sent(),c.label=2;case 2:return "complex64"!==a?[3,4]:[4,Promise.all([s.real.data(),s.imag.data()])];case 3:return y=c.sent(),b=y[0],x=y[1],v=qi(b,x),[3,5];case 4:null==p?v=this.getValuesFromTexture(t):(w=T(i),v=this.gpgpu.downloadFloat32MatrixFromBuffer(p,w)),c.label=5;case 5:return null!=m&&this.disposeData(m.dataId),k=this.convertAndCacheOnCPU(t,v),E=this.pendingRead.get(t),this.pendingRead.delete(t),E.forEach(function(t){return t(k);}),this.pendingDisposal.has(t)&&(this.pendingDisposal.delete(t),this.disposeData(t),this.pendingDeletes--),[2,k];}});});},e.prototype.checkNumericalProblems=function(t){if(null!=t)for(var e=0;e<t.length;e++){var n=t[e];if(!oe(n)){if(f().getBool("WEBGL_RENDER_FLOAT32_CAPABLE"))throw Error("The value "+n+" cannot be represented with your current settings. Consider enabling float32 rendering: 'tf.env().set('WEBGL_RENDER_FLOAT32_ENABLED', true);'");throw Error("The value "+n+" cannot be represented on this device.");}}},e.prototype.getValuesFromTexture=function(t){var e,n=this.texData.get(t),r=n.shape,i=n.dtype,o=n.isPacked,a=T(r);if(f().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")){var s=this.decode(t),u=this.texData.get(s.dataId),c=(e=this.gpgpu).downloadMatrixFromPackedTexture.apply(e,[u.texture].concat(Zt(r))).subarray(0,a);return this.disposeData(s.dataId),c;}var l=f().getBool("WEBGL_PACK")&&!0===o,h=l?Re(r):r,d=l?new function(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outTexUsage=Ht.DOWNLOAD;var e=uo();this.outputShape=t,this.userCode="\n      "+fo+"\n\n      void main() {\n        ivec3 coords = getOutputCoords();\n        float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));\n        "+e.output+" = encode_float(x);\n      }\n    ";}(h):new function(t){this.variableNames=["A"],this.outTexUsage=Ht.DOWNLOAD;var e=uo();this.outputShape=t,this.userCode="\n      "+fo+"\n\n      void main() {\n        float x = getAAtOutCoords();\n        "+e.output+" = encode_float(x);\n      }\n    ";}(h),p=this.runWebGLProgram(d,[{shape:h,dtype:i,dataId:t}],"float32"),m=this.texData.get(p.dataId),g=this.gpgpu.downloadByteEncodedFloatMatrixFromOutputTexture(m.texture,m.texShape[0],m.texShape[1]).subarray(0,a);return this.disposeData(p.dataId),g;},e.prototype.time=function(t){return u(this,void 0,void 0,function(){var e,n,r,i,o,a,s;return c(this,function(u){switch(u.label){case 0:return e=this.activeTimers,n=[],r=!1,null==this.programTimersStack?(this.programTimersStack=n,r=!0):this.activeTimers.push(n),this.activeTimers=n,t(),i=F(this.activeTimers.map(function(t){return t.query;})).filter(function(t){return null!=t;}),o=F(this.activeTimers.map(function(t){return t.name;})).filter(function(t){return null!=t;}),this.activeTimers=e,r&&(this.programTimersStack=null),a={uploadWaitMs:this.uploadWaitMs,downloadWaitMs:this.downloadWaitMs,kernelMs:null,wallMs:null},f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[4,Promise.all(i)]:[3,2];case 1:return s=u.sent(),a.kernelMs=O(s),a.getExtraProfileInfo=function(){return s.map(function(t,e){return {name:o[e],ms:t};}).map(function(t){return t.name+": "+t.ms;}).join(", ");},[3,3];case 2:a.kernelMs={error:"WebGL query timers are not supported in this environment."},u.label=3;case 3:return this.uploadWaitMs=0,this.downloadWaitMs=0,[2,a];}});});},e.prototype.memory=function(){return {unreliable:!1,numBytesInGPU:this.numBytesInGPU};},e.prototype.startTimer=function(){return f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?this.gpgpu.beginQuery():{startMs:at(),endMs:null};},e.prototype.endTimer=function(t){return f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?(this.gpgpu.endQuery(),t):(t.endMs=at(),t);},e.prototype.getQueryTime=function(t){return u(this,void 0,void 0,function(){var e;return c(this,function(n){return f().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[2,this.gpgpu.waitForQueryAndGetTime(t)]:[2,(e=t).endMs-e.startMs];});});},e.prototype.disposeData=function(t){if(!this.pendingDisposal.has(t)){if(this.pendingRead.has(t))return this.pendingDisposal.add(t),void this.pendingDeletes++;if(this.texData.has(t)){this.releaseGPUData(t);var e=this.texData.get(t).complexTensors;null!=e&&(e.real.dispose(),e.imag.dispose()),this.texData.delete(t);}}},e.prototype.releaseGPUData=function(t){var e=this.texData.get(t),n=e.texture,r=e.dtype,i=e.texShape,o=e.usage,a=e.isPacked,s=e.slice,u=s&&s.origDataId||t,c=this.dataRefCount.get(u);c>1?this.dataRefCount.set(u,c-1):(this.dataRefCount.delete(u),null!=n&&(this.numBytesInGPU-=this.computeBytes(i,r),this.textureManager.releaseTexture(n,i,o,a)));var l=this.texData.get(t);l.texture=null,l.texShape=null,l.isPacked=!1,l.slice=null;},e.prototype.getTexture=function(t){return this.uploadToGPU(t),this.texData.get(t).texture;},e.prototype.getDataInfo=function(t){return this.texData.get(t);},e.prototype.getCPUBackend=function(){return f().getBool("WEBGL_CPU_FORWARD")?(null==this.cpuBackend&&(this.cpuBackend=Wt.findBackend("cpu")),this.cpuBackend):null;},e.prototype.shouldExecuteOnCPU=function(t,e){var n=this;return void 0===e&&(e=128),null!=this.getCPUBackend()&&t.every(function(t){return null==n.texData.get(t.dataId).texture&&t.size<e;});},e.prototype.getGPGPUContext=function(){return this.gpgpu;},e.prototype.complex=function(t,e){var n=this.makeOutput(t.shape,"complex64");return this.texData.get(n.dataId).complexTensors={real:Wt.keep(t.clone()),imag:Wt.keep(e.clone())},n;},e.prototype.real=function(t){return this.texData.get(t.dataId).complexTensors.real.clone();},e.prototype.imag=function(t){return this.texData.get(t.dataId).complexTensors.imag.clone();},e.prototype.slice=function(t,e,n){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.slice(t,e,n);if(0===T(n))return jn([],n,t.dtype);var r=this.texData.get(t.dataId).isPacked,i=li(t.shape,e,n);if(r||!i){var o=f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new pa(n):new ha(n),a=o.getCustomSetupFunc(e);return this.compileAndRun(o,[t],null,a);}return this.uploadToGPU(t.dataId),this.shallowSlice(t,e,n);},e.prototype.shallowSlice=function(t,e,n){var r=this.texData.get(t.dataId),i=this.makeOutput(n,t.dtype),o=this.texData.get(i.dataId);Object.assign(o,r),o.shape=n,o.dtype=t.dtype;var a=fi(e,t.strides);r.slice&&(a+=r.slice.flatOffset),o.slice={flatOffset:a,origDataId:r.slice&&r.slice.origDataId||t.dataId};var s=this.dataRefCount.get(o.slice.origDataId)||1;return this.dataRefCount.set(o.slice.origDataId,s+1),i;},e.prototype.stridedSlice=function(t,e,n,r){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.stridedSlice(t,e,n,r);var i=si(e,n,r);if(i.some(function(t){return 0===t;}))return jn([],i);var o=new function(t,e,n){this.variableNames=["x"],this.outputShape=n;var r=n.length,i=xo(n.length),o=xo(n.length),a="";if(1===r)a="coords * strides + begin";else {var s=0;a=n.map(function(t,e){return s++,1===n.length?"coords * strides["+e+"] + begin["+e+"]":"coords["+(s-1)+"] * strides["+e+"] + begin["+e+"]";}).join(",");}this.userCode="\n      "+i+" begin = "+i+"("+t+");\n      "+i+" strides = "+i+"("+e+");\n\n      void main() {\n        "+o+" coords = getOutputCoords();\n        setOutput(getX("+a+"));\n      }\n    ";}(e,r,i);return this.compileAndRun(o,[t]);},e.prototype.reverse=function(t,e){var n=f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new function(t,e){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0;var n=t.length;if(n>4)throw new Error("WebGL backend: Reverse of rank-"+n+" tensor is not yet supported");this.outputShape=t;var r=so("rc",n),i=r[n-1]+" + 1 < "+this.outputShape[n-1],o=r[n-2]+" + 1 < "+this.outputShape[n-2],a=xo(n);function s(n){var r=t.map(function(r,i){return function(n,r){return -1!==e.indexOf(n)&&1!==t[n]?t[n]+" - "+r[n]+" - 1":""+r[n];}(i,n);});return "getChannel(getX("+r.join(",")+"), vec2("+r.slice(-2).join(",")+"))";}this.userCode=1===n?"\n        void main(){\n          int rc = getOutputCoords();\n          vec4 result = vec4(0.);\n          result.r = getChannel(getX("+t[0]+" - rc - 1),\n            "+t[0]+" - rc - 1);\n          if("+i+"){\n              result.g = getChannel(getX("+t[0]+" - (rc  + 1) - 1),\n                "+t[0]+" - (rc  + 1) - 1);\n          }\n          setOutput(result);\n        }\n      ":"\n        void main() {\n          "+a+" rc = getOutputCoords();\n          vec4 result = vec4(0.);\n          result.r = "+s(r.slice())+";\n          if("+i+"){\n            result.g = "+function(t){return t[n-1]="("+t[n-1]+" + 1)",s(t);}(r.slice())+";\n          }\n          if("+o+") {\n            result.b = "+function(t){return t[n-2]="("+t[n-2]+" + 1)",s(t);}(r.slice())+";\n            if("+i+") {\n              result.a = "+function(t){return t[n-1]="("+t[n-1]+" + 1)",t[n-2]="("+t[n-2]+" + 1)",s(t);}(r.slice())+";\n            }\n          }\n          setOutput(result);\n        }\n    ";}(t.shape,e):new function(t,e){this.variableNames=["x"];var n=t.length;if(n>4)throw new Error("WebGL backend: Reverse of rank-"+n+" tensor is not yet supported");if(this.outputShape=t,1!==n){var r=t.map(function(n,r){return function(n){return -1!==e.indexOf(n)&&1!==t[n]?t[n]+" - coords["+n+"] - 1":"coords["+n+"]";}(r);}).join(","),i=xo(n);this.userCode="\n      void main() {\n        "+i+" coords = getOutputCoords();\n        setOutput(getX("+r+"));\n      }\n    ";}else this.userCode="\n        void main() {\n          int coord = getOutputCoords();\n          setOutput(getX("+t[0]+" - coord - 1));\n        }\n      ";}(t.shape,e);return this.compileAndRun(n,[t]);},e.prototype.concat=function(t,e){if("complex64"===t[0].dtype){var n=t.map(function(t){return Rn(t);}),r=t.map(function(t){return Mn(t);});return In(this.concat(n,e),this.concat(r,e));}if(this.shouldExecuteOnCPU(t))return this.cpuBackend.concat(t,e);if(1===t.length)return t[0];if(t.length>f().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){var i=Math.floor(t.length/2),o=this.concat(t.slice(0,i),e),a=this.concat(t.slice(i),e);return this.concat([o,a],e);}if(f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&t[0].rank>1){var s=new function(t,e){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=Tn(t,e);var n=this.outputShape,r=n.length,i=xo(r),o=so("coords",r),a=["x","y","z","w","u","v"].slice(0,r);this.variableNames=t.map(function(t,e){return "T"+e;});var s=new Array(t.length-1);s[0]=t[0][e];for(var u=1;u<s.length;u++){s[u]=s[u-1]+t[u][e];}var c=a[e],l=a.slice(-2),f=a.join(),h="if ("+c+" < "+s[0]+") {\n        return getChannel(\n            getT0("+f+"), vec2("+l.join()+"));\n        }";for(u=1;u<s.length;u++){var d=s[u-1];h+="\n        if ("+c+" < "+s[u]+"  && "+c+" >= "+s[u-1]+") {\n          return getChannel(\n            getT"+u+"("+Io(a,c,d)+"),\n            vec2("+Io(l,c,d)+"));\n        }";}var p=s.length,m=s[s.length-1];h+="\n        return getChannel(\n          getT"+p+"("+Io(a,c,m)+"),\n          vec2("+Io(l,c,m)+"));",this.userCode="\n      float getValue("+a.map(function(t){return "int "+t;})+") {\n        "+h+"\n      }\n\n      void main() {\n        "+i+" coords = getOutputCoords();\n        vec4 result = vec4(getValue("+o+"), 0., 0., 0.);\n\n        "+o[r-1]+" = "+o[r-1]+" + 1;\n        if ("+o[r-1]+" < "+n[r-1]+") {\n          result.g = getValue("+o+");\n        }\n\n        "+o[r-2]+" = "+o[r-2]+" + 1;\n        if ("+o[r-2]+" < "+n[r-2]+") {\n          result.a = getValue("+o+");\n        }\n\n        "+o[r-1]+" = "+o[r-1]+" - 1;\n        if ("+o[r-2]+" < "+n[r-2]+" &&\n            "+o[r-1]+" < "+n[r-1]+") {\n          result.b = getValue("+o+");\n        }\n        setOutput(result);\n      }\n    ";}(t.map(function(t){return t.shape;}),e);return this.compileAndRun(s,t);}var u=Tn(t.map(function(t){return t.shape;}),e),c=t.map(function(t){return t.as2D(-1,T(t.shape.slice(e)));}),l=new function(t){this.outputShape=[],this.outputShape=Tn(t,1),this.variableNames=t.map(function(t,e){return "T"+e;});var e=new Array(t.length-1);e[0]=t[0][1];for(var n=1;n<e.length;n++){e[n]=e[n-1]+t[n][1];}var r=["if (yC < "+e[0]+") setOutput(getT0(yR, yC));"];for(n=1;n<e.length;n++){var i=e[n-1];r.push("else if (yC < "+e[n]+") setOutput(getT"+n+"(yR, yC-"+i+"));");}var o=e.length,a=e[e.length-1];r.push("else setOutput(getT"+o+"(yR, yC-"+a+"));"),this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int yR = coords.x;\n        int yC = coords.y;\n\n        "+r.join("\n        ")+"\n      }\n    ";}(c.map(function(t){return t.shape;}));return this.compileAndRun(l,c).reshape(u);},e.prototype.neg=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.neg(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,_a,t.dtype);var e=new xa(t.shape,_a);return this.compileAndRun(e,[t]);},e.prototype.batchMatMul=function(t,e,n,r){var i=n?t.shape[2]:t.shape[1],o=r?e.shape[1]:e.shape[2],a=n?t.shape[1]:t.shape[2],s=t.shape[0];if((1===i||1===o)&&a>1e3){n&&(t=t.transpose([0,2,1])),r&&(e=e.transpose([0,2,1]));var u=1===o?t:t.as3D(s,a,1),c=1===o?2:1,l=1===o?e.as3D(s,1,a):e;return this.multiply(u,l).sum(c,!0);}var f=It(t.dtype,e.dtype),h=new sa(t.shape,[s,i,o],n,r);return this.compileAndRun(h,[t,e],f);},e.prototype.fusedBatchMatMul=function(t){var e=t.a,n=t.b,r=t.transposeA,i=t.transposeB,o=t.bias,a=t.activation,s=t.preluActivationWeights,u=r?e.shape[2]:e.shape[1],c=i?n.shape[1]:n.shape[2],l=e.shape[0],f=It(e.dtype,n.dtype),h=null!=o,d=null!=s,p=a?La(a,!0):null,m=new sa(e.shape,[l,u,c],r,i,h,p,d),g=[e,n];return o&&g.push(o),s&&g.push(s),this.compileAndRun(m,g,f);},e.prototype.multiply=function(t,e){if("complex64"===t.dtype){var n=this.texData.get(t.dataId),r=this.texData.get(e.dataId),i=new Eo("return areal * breal - aimag * bimag;",t.shape,e.shape),o=new Eo("return areal * bimag + aimag * breal;",t.shape,e.shape),a=[this.makeComplexComponentTensorInfo(t,n.complexTensors.real),this.makeComplexComponentTensorInfo(t,n.complexTensors.imag),this.makeComplexComponentTensorInfo(e,r.complexTensors.real),this.makeComplexComponentTensorInfo(e,r.complexTensors.imag)],s=this.compileAndRun(i,a),u=this.compileAndRun(o,a),c=this.complex(s,u);return s.dispose(),u.dispose(),c;}if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.multiply(t,e);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,Oo,t.dtype);var l=new So(Oo,t.shape,e.shape);return this.compileAndRun(l,[t,e],t.dtype);},e.prototype.batchNormalization=function(t,e,n,r,i,o){var a=[t,e,n],s=null;null!=o&&(s=o.shape,a.push(o));var u=null;if(null!=i&&(u=i.shape,a.push(i)),f().getBool("WEBGL_PACK_NORMALIZATION")){var c=new function(t,e,n,r,i,o){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],_i(t,e),_i(t,n);var a="vec4(0.0)";null!=r&&(_i(t,r),this.variableNames.push("offset"),a="getOffsetAtOutCoords()");var s="vec4(1.0)";null!=i&&(_i(t,i),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=t,this.userCode="\n      void main() {\n        vec4 offset = "+a+";\n        vec4 scale = "+s+";\n\n        vec4 x = getXAtOutCoords();\n        vec4 mean = getMeanAtOutCoords();\n        vec4 variance = getVarianceAtOutCoords();\n\n        vec4 inv = scale * inversesqrt(variance + vec4("+o+"));\n\n        setOutput((x - mean) * inv + offset);\n      }\n    ";}(t.shape,e.shape,n.shape,s,u,r);return this.compileAndRun(c,a);}var l=new function(t,e,n,r,i,o){this.outputShape=[],this.variableNames=["x","mean","variance"],_i(t,e),_i(t,n);var a="0.0";null!=r&&(_i(t,r),this.variableNames.push("offset"),a="getOffsetAtOutCoords()");var s="1.0";null!=i&&(_i(t,i),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=t,this.userCode="\n      void main() {\n        float x = getXAtOutCoords();\n        float mean = getMeanAtOutCoords();\n        float variance = getVarianceAtOutCoords();\n        float offset = "+a+";\n        float scale = "+s+";\n        float inv = scale * inversesqrt(variance + float("+o+"));\n        setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));\n      }\n    ";}(t.shape,e.shape,n.shape,s,u,r);return this.compileAndRun(l,a);},e.prototype.localResponseNormalization4D=function(t,e,n,r,i){var o=f().getBool("WEBGL_PACK_NORMALIZATION")?new function(t,e,n,r,i){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;var o,a=e,s=t[3]-1;this.outputShape=t;var u="float("+n+") + float("+r+") * sum";o=.5===i?"inversesqrt("+u+")":1===i?"1.0/("+u+")":"exp(log("+u+") * float(-"+i+"));",this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords.x;\n        int r = coords.y;\n        int c = coords.z;\n        int d = coords.w;\n\n        bool hasNextCol = d < "+this.outputShape[3]+";\n        bool hasNextRow = c < "+this.outputShape[2]+";\n\n        vec4 sum = vec4(0.);\n        vec4 xFragAtOutputCoords = getX(b, r, c, d);\n\n        vec4 xAtOutputCoords = vec4(\n          getChannel(xFragAtOutputCoords, vec2(c, d)),\n          hasNextCol ?\n            getChannel(xFragAtOutputCoords, vec2(c, d + 1)) : 0.0,\n          hasNextRow ?\n            getChannel(xFragAtOutputCoords , vec2(c + 1, d)) : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getChannel(xFragAtOutputCoords, vec2(c + 1, d + 1)) : 0.0\n        );\n\n        int firstChannel = d - "+a+";\n        vec2 cache = vec2(0.);\n        if(firstChannel >= 0){\n          vec4 firstChannelFrag = getX(b, r, c, firstChannel);\n          cache.x = getChannel(firstChannelFrag, vec2(c, firstChannel));\n            if(hasNextRow){\n              cache.y = getChannel(firstChannelFrag, vec2(c + 1, firstChannel));\n            }\n        }\n\n        ivec2 depth = ivec2(d, d + 1);\n        for (int j = - "+a+"; j <= "+a+"; j++) {\n          ivec2 idx = depth + j;\n          bvec2 aboveLowerBound = greaterThanEqual(idx, ivec2(0));\n          bvec2 belowUpperBound = lessThanEqual(idx, ivec2("+s+"));\n\n          bool depthInRange = aboveLowerBound.x && belowUpperBound.x;\n          bool depthPlusOneInRange = aboveLowerBound.y && belowUpperBound.y;\n\n          if(depthInRange || depthPlusOneInRange){\n            vec4 z = vec4(0.);\n            vec4 xFragAtCurrentDepth;\n            z.xz = cache.xy;\n            if(depthPlusOneInRange && hasNextCol){\n              xFragAtCurrentDepth = idx.y != d ?\n                getX(b, r, c, idx.y) : xFragAtOutputCoords;\n              z.y = getChannel(xFragAtCurrentDepth, vec2(c, idx.y));\n              if(hasNextRow){\n                z.w = getChannel(xFragAtCurrentDepth, vec2(c + 1, idx.y));\n              }\n            }\n            cache.xy = z.yw;\n            sum += z * z;\n          }\n        }\n        vec4 result = xAtOutputCoords * "+o+";\n        setOutput(result);\n      }\n    ";}(t.shape,e,n,r,i):new function(t,e,n,r,i){this.variableNames=["x"],this.outputShape=[];var o,a=e,s=t[3]-1;this.outputShape=t;var u="float("+n+") + float("+r+") * sum";o=.5===i?"inversesqrt("+u+")":1===i?"1.0/("+u+")":"exp(log("+u+") * float(-"+i+"));",this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int r = coords[1];\n        int c = coords[2];\n        int d = coords[3];\n        float x = getX(b, r, c, d);\n        float sum = 0.0;\n        for (int j = -"+a+"; j <= "+a+"; j++) {\n          int idx = d + j;\n          if (idx >= 0 && idx <=  "+s+") {\n            float z = getX(b, r, c, idx);\n            sum += z * z;\n          }\n        }\n        float val = x * "+o+";\n        setOutput(val);\n      }\n    ";}(t.shape,e,n,r,i);return this.compileAndRun(o,[t]);},e.prototype.LRNGrad=function(t,e,n,r,i,o,a){var s=new function(t,e,n,r,i){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=t,this.depth=t[3],this.depthRadius=e,this.bias=n,this.alpha=r,this.beta=i,this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int r = coords[1];\n        int c = coords[2];\n\n        float result = 0.0;\n        for (int d = 0; d < "+this.depth+"; ++d) {\n          int depthBegin = int(max(0.0, float(d - "+e+")));\n          int depthEnd = int(min(float("+this.depth+"),\n              float(d + "+e+" + 1)));\n\n          const int MIN_DEPTH_BEGIN = 0;\n          const int MAX_DEPTH_END = "+this.depth+";\n\n          float norm = 0.0;\n          for (int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k) {\n            if (k < depthBegin){\n              continue;\n            }\n            else if (k >= depthBegin && k < depthEnd) {\n              norm += getInputImage(b, r, c, k) * getInputImage(b, r, c, k);\n            }\n            else {\n              break;\n            }\n          }\n\n          norm = float("+r+") * norm + float("+n+");\n\n          for(int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k){\n            if (k < depthBegin){\n              continue;\n            }\n            else if (k >= depthBegin && k < depthEnd){\n              float dyi = -2.0 * float("+r+")\n                * float("+i+")\n                * getInputImage(b ,r ,c, k) * getOutputImage(b, r, c, d)\n                / norm;\n              if (k == d) {\n                dyi += pow(norm, -1.0 * "+i+");\n              }\n              if (k == coords[3]) {\n                dyi *= getDy(b, r, c, d);\n                result += dyi;\n              }\n            }\n            else {\n              break;\n            }\n          }\n      }\n      setOutput(result);\n      }\n    ";}(e.shape,r,i,o,a);return this.compileAndRun(s,[e,n,t]);},e.prototype.tile=function(t,e){if("string"===t.dtype){var n=this.readSync(t.dataId).map(function(t){return ct(t);});return ro(vr(t.shape,t.dtype,n),e);}var r=new function(t,e){this.variableNames=["A"];for(var n=new Array(t.length),r=0;r<n.length;r++){n[r]=t[r]*e[r];}this.outputShape=n,this.rank=n.length;var i=xo(this.rank),o=function(t){var e=t.length;if(e>5)throw Error("Tile for rank "+e+" is not yet supported");if(1===e)return "imod(resRC, "+t[0]+")";for(var n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],r=[],i=0;i<t.length;i++){r.push("imod("+n[i]+", "+t[i]+")");}return r.join();}(t);this.userCode="\n      void main() {\n        "+i+" resRC = getOutputCoords();\n        setOutput(getA("+o+"));\n      }\n    ";}(t.shape,e);return this.compileAndRun(r,[t]);},e.prototype.pad=function(t,e,n){var r=f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new function(t,e,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e.map(function(e,n){return e[0]+t[n]+e[1];});for(var r=t.length,i=xo(r),o=e.map(function(t){return t[0];}).join(","),a=e.map(function(e,n){return e[0]+t[n];}).join(","),s=so("rc",r),u=so("source",r),c=s[r-1]+" < "+this.outputShape[r-1],l=1===r?"source":"vec2("+u.slice(-2).join()+")",f=[i+" rc = outputLoc;",s[r-1]+" += 1;\n       if("+c+") {\n      ",1===r?"":"}\n       rc = outputLoc;\n       "+s[r-2]+" += 1;\n       if("+s[r-2]+" < "+this.outputShape[r-2]+") {",1===r?"":"  "+s[r-1]+" += 1;\n         if("+c+") {"],h=1===r?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",d="",p=0,m=1===r?2:4;p<m;p++){d+="\n        "+f[p]+"\n        if ("+h+") {\n          result["+p+"] = float("+n+");\n        } else {\n          "+i+" source = rc - start;\n          result["+p+"] = getChannel(getX("+u.join()+"), "+l+");\n        }\n      ";}d+=1===r?"} ":"}}",this.userCode="\n      const "+i+" start = "+i+"("+o+");\n      const "+i+" end = "+i+"("+a+");\n\n      void main() {\n        "+i+" outputLoc = getOutputCoords();\n        vec4 result = vec4(0.);\n        "+d+"\n        setOutput(result);\n      }\n    ";}(t.shape,e,n):new function(t,e,n){this.variableNames=["x"],this.outputShape=e.map(function(e,n){return e[0]+t[n]+e[1];});var r=t.length,i=xo(r),o=e.map(function(t){return t[0];}).join(","),a=e.map(function(e,n){return e[0]+t[n];}).join(","),s=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r);this.userCode=1!==r?"\n      "+i+" start = "+i+"("+o+");\n      "+i+" end = "+i+"("+a+");\n\n      void main() {\n        "+i+" outC = getOutputCoords();\n        if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {\n          setOutput(float("+n+"));\n        } else {\n          "+i+" coords = outC - start;\n          setOutput(getX("+s+"));\n        }\n      }\n    ":"\n        int start = "+o+";\n        int end = "+a+";\n\n        void main() {\n          int outC = getOutputCoords();\n          if (outC < start || outC >= end) {\n            setOutput(float("+n+"));\n          } else {\n            setOutput(getX(outC - start));\n          }\n        }\n      ";}(t.shape,e,n);return this.compileAndRun(r,[t]);},e.prototype.transpose=function(t,e){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.transpose(t,e);var n=f().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new function(t,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;for(var n=new Array(t.length),r=0;r<n.length;r++){n[r]=t[e[r]];}if(this.outputShape=n,this.rank=n.length,this.rank>6)throw Error("Packed transpose for rank "+this.rank+" is not yet supported.");var i=xo(this.rank),o=ao("rc",this.rank),a=new Array(this.rank);for(r=0;r<e.length;r++){a[e[r]]=o[r];}var s="vec2("+a.slice(-2).join()+")",u="++"+o[this.rank-1]+" < "+n[this.rank-1],c="getChannel(getA("+a.join()+"), "+s+")";this.userCode="\n    void main() {\n      "+i+" rc = getOutputCoords();\n      vec4 result = vec4(0.);\n      result[0] = "+c+";\n      if("+u+") {\n        result[1] = "+c+";\n      }\n      --"+o[this.rank-1]+";\n      if(++"+o[this.rank-2]+" < "+n[this.rank-2]+") {\n        result[2] = "+c+";\n        if("+u+") {\n          result[3] = "+c+";\n        }\n      }\n      setOutput(result);\n    }\n    ";}(t.shape,e):new function(t,e){this.variableNames=["A"];for(var n=new Array(t.length),r=0;r<n.length;r++){n[r]=t[e[r]];}this.outputShape=n,this.rank=n.length;var i=xo(this.rank),o=function(t){var e=t.length;if(e>6)throw Error("Transpose for rank "+e+" is not yet supported");for(var n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u","resRC.v"],r=new Array(e),i=0;i<t.length;i++){r[t[i]]=n[i];}return r.join();}(e);this.userCode="\n    void main() {\n      "+i+" resRC = getOutputCoords();\n      setOutput(getA("+o+"));\n    }\n    ";}(t.shape,e);return this.compileAndRun(n,[t]);},e.prototype.gather=function(t,e,n){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.gather(t,e,n);var r=new function(t,e,n){this.variableNames=["A","indices"];var r=t.slice();r[n]=e,this.outputShape=r,this.rank=r.length;var i=xo(this.rank),o=function(t,e){var n=t.length;if(n>4)throw Error("Gather for rank "+n+" is not yet supported");if(1===n)return "int(getIndices(resRC))";for(var r=["resRC.x","resRC.y","resRC.z","resRC.w"],i=[],o=0;o<t.length;o++){o===e?i.push("int(getIndices("+r[o]+"))"):i.push(""+r[o]);}return i.join();}(t,n);this.userCode="\n      void main() {\n        "+i+" resRC = getOutputCoords();\n        setOutput(getA("+o+"));\n      }\n    ";}(t.shape,e.size,n);return this.compileAndRun(r,[t,e]);},e.prototype.batchToSpaceND=function(t,e,n){_(t.rank<=4,function(){return "batchToSpaceND for rank > 4 with a WebGL backend not implemented yet";});var r=e.reduce(function(t,e){return t*e;}),i=Hr(t.shape,e,r),o=Gr(i.length,e.length),a=Kr(t.shape,e,r),s=Xr(n,e.length),u=Yr(a,n,e.length);return t.reshape(i).transpose(o).reshape(a).slice(s,u);},e.prototype.spaceToBatchND=function(t,e,n){_(t.rank<=4,function(){return "spaceToBatchND for rank > 4 with a WebGL backend not implemented yet";});var r=e.reduce(function(t,e){return t*e;}),i=[[0,0]];i.push.apply(i,n);for(var o=1+e.length;o<t.shape.length;++o){i.push([0,0]);}var a=t.pad(i),s=Hr(a.shape,e,r,!1),u=Gr(s.length,e.length,!1),c=Kr(a.shape,e,r,!1);return a.reshape(s).transpose(u).reshape(c);},e.prototype.reduce=function(t,e,n){var r=t.shape[0],i=t.shape[1],o=new function(t,e){this.variableNames=["x"];var n=t.windowSize,r=t.batchSize,i=t.inSize,o=Math.ceil(i/n);this.outputShape=[r,o];var a="0.0",s="";"prod"===e?a="1.0":"min"===e?(a="1.0 / 1e-20",s="min"):"max"===e&&(a="-1.0 / 1e-20",s="max");var u=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"sum"===e?u="sumValue":"prod"===e?u="prodValue":"all"===e?u="allValue":"any"===e&&(u="anyValue");var c=4*Math.floor(n/4),l=n%4,f="\n      if ("+("sum"===e)+") {\n        sumValue += dot(values, ones);\n      } else if ("+("prod"===e)+") {\n        vec2 tmp = vec2(values[0], values[1]) * vec2(values[2], values[3]);\n        prodValue *= tmp[0] * tmp[1];\n      } else {\n        minMaxValue = "+s+"(values, minMaxValue);\n      }\n    ",h="vec4";"all"===e?(a="1.0",f="\n        bool reducedAllValue = all(values);\n        float floatedReducedAllValue = float(reducedAllValue);\n        allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);\n      ",h="bvec4"):"any"===e&&(a="0.0",f="\n        bool reducedAnyValue = any(values);\n        float floatedReducedAnyValue = float(reducedAnyValue);\n        anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);\n      ",h="bvec4");var d="";i%n>0&&(d="\n        if (inIdx < 0 || inIdx >= "+i+") {\n          return initializationValue;\n        }\n      "),this.userCode="\n      const float initializationValue = "+a+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float getValue(int batch, int inIdx) {\n        "+d+"\n        return getX(batch, inIdx);\n      }\n\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n        int outIdx = coords[1];\n        int inOffset = outIdx * "+n+";\n\n        vec4 minMaxValue = vec4("+a+");\n        float prodValue = 1.0;\n        float sumValue = 0.0;\n        float allValue = 1.0;\n        float anyValue = 0.0;\n\n        for (int i = 0; i < "+c+"; i += 4) {\n          int inIdx = inOffset + i;\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            getValue(batch, inIdx + 3)\n          );\n\n          "+f+"\n        }\n\n        int inIdx = inOffset + "+c+";\n        if ("+(1===l)+") {\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            initializationValue,\n            initializationValue,\n            initializationValue\n          );\n\n          "+f+"\n        } else if ("+(2===l)+") {\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            initializationValue,\n            initializationValue\n          );\n\n          "+f+"\n        } else if ("+(3===l)+") {\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            initializationValue\n          );\n\n          "+f+"\n        }\n        setOutput("+u+");\n      }\n    ";}({windowSize:ti(i),inSize:i,batchSize:r},e),a=this.compileAndRun(o,[t],n);return 1===a.shape[1]?a:this.reduce(a,e,n);},e.prototype.argReduce=function(t,e,n){void 0===n&&(n=null);var r=t.shape[0],i=t.shape[1];null!=n&&(r=n.shape[0],i=n.shape[1]);var o=new function(t,e,n){this.variableNames=["A"];var r=t.windowSize,i=t.batchSize,o=t.inSize,a=Math.ceil(o/r);n||this.variableNames.push("bestIndicesA"),this.outputShape=[i,a];var s="max"===e?">":"<",u=n?"inOffset + i;":"round(getBestIndicesA(batch, inOffset + i));";this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n        int outIdx = coords[1];\n        int inOffset = outIdx * "+r+";\n\n        int bestIndex = inOffset;\n        float bestValue = getA(batch, bestIndex);\n\n        for (int i = 0; i < "+r+"; i++) {\n          int inIdx = "+u+";\n          float candidate = getA(batch, inIdx);\n          if (candidate "+s+" bestValue) {\n            bestValue = candidate;\n            bestIndex = inIdx;\n          }\n        }\n        setOutput(float(bestIndex));\n      }\n    ";}({windowSize:ti(i),inSize:i,batchSize:r},e,null==n),a=[t];null!=n&&a.push(n);var s=this.compileAndRun(o,a,"int32");return 1===s.shape[1]?s:this.argReduce(t,e,s);},e.prototype.argReducePacked=function(t,e,n){void 0===n&&(n=null);var r=null!=n?n.shape:t.shape,i=new function(t,e,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,_(t.length>2,function(){return "Packed arg"+(n.charAt(0).toUpperCase()+n.slice(1))+" supports only inputs with rank above 2.";});var i=t[t.length-1],o=Math.ceil(i/e);this.outputShape=t.slice(0,-1),o>1&&this.outputShape.push(o),r||this.variableNames.push("bestIndicesA");var a,s,u=this.outputShape,c=u.length,l=xo(c),f=so("coords",c);if(1===o){var h=xo(s=c+1);a="\n        "+h+" sourceLocR = "+h+"("+f.join()+", 0);\n        ++"+f[c-1]+";\n        "+h+" sourceLocG = "+h+"("+f.join()+", 0);\n        ++"+f[c-2]+";\n        "+h+" sourceLocA = "+h+"("+f.join()+", 0);\n        --"+f[c-1]+";\n        "+h+" sourceLocB = "+h+"("+f.join()+", 0);\n        --"+f[c-2]+";";}else s=c,a="\n        "+l+" sourceLocR = coords;\n        ++"+f[c-1]+";\n        "+l+" sourceLocG = coords;\n        ++"+f[c-2]+";\n        "+l+" sourceLocA = coords;\n        --"+f[c-1]+";\n        "+l+" sourceLocB = coords;\n        --"+f[c-2]+";";var d=["x","y","z","w","u","v"].slice(0,s),p="."+d[s-1],m=d.map(function(t){return "int "+t;}),g=so("sourceLocR",s-1).concat("inIdx.r"),v=so("sourceLocG",s-1).concat("inIdx.g"),y=so("sourceLocB",s-1).concat("inIdx.b"),b=so("sourceLocA",s-1).concat("inIdx.a"),x="max"===n?"greaterThan":"lessThan",w=r?"":"\n          inIdx = round(vec4(getBestIndicesAChannel("+g.join()+"),\n                             getBestIndicesAChannel("+v.join()+"),\n                             getBestIndicesAChannel("+y.join()+"),\n                             getBestIndicesAChannel("+b.join()+")));",k="vec4(\n            getAChannel("+g.join()+"),\n            hasNextCol ? getAChannel("+v.join()+") : 0.,\n            hasNextRow ? getAChannel("+y.join()+") : 0.,\n            hasNextRow && hasNextCol ? getAChannel("+b.join()+") : 0.)",E=r?"":"\n      float getBestIndicesAChannel("+m.join()+") {\n        return getChannel(getBestIndicesA("+d.join()+"),\n                                          vec2("+d.slice(-2).join()+"));\n      }";this.userCode="\n      float getAChannel("+m.join()+") {\n        return getChannel(getA("+d.join()+"),\n                               vec2("+d.slice(-2).join()+"));\n      }\n      "+E+"\n      void main() {\n        "+l+" coords = getOutputCoords();\n        bool hasNextCol = "+f[c-1]+" < "+(u[c-1]-1)+";\n        bool hasNextRow = "+f[c-2]+" < "+(u[c-2]-1)+";\n        "+a+"\n        ivec4 srcIdx = ivec4(sourceLocR"+p+", sourceLocG"+p+",\n          sourceLocB"+p+", sourceLocA"+p+") * "+e+";\n        ivec4 inIdx = srcIdx;\n        vec4 bestIndex = vec4(inIdx);\n        vec4 bestValue = "+k+";\n\n        for (int i = 0; i < "+e+"; i++) {\n          inIdx = srcIdx;\n          "+w+"\n          vec4 candidate = "+k+";\n          bvec4 nan = isnan(candidate);\n          bvec4 replace = bvec4(\n            vec4("+x+"(candidate, bestValue)) * (vec4(1.0) - vec4(nan)));\n\n          bestValue = vec4(replace.x  ? candidate.x : bestValue.x,\n                           replace.y  ? candidate.y : bestValue.y,\n                           replace.z  ? candidate.z : bestValue.z,\n                           replace.w  ? candidate.w : bestValue.w);\n          bestIndex = mix(bestIndex, vec4(inIdx), vec4(replace));\n          srcIdx++;\n        }\n        setOutput(bestIndex);\n      }\n    ";}(r,ti(r[r.length-1]),e,null==n),o=null==n?[t]:[t,n],a=this.compileAndRun(i,o,"int32");return a.rank===t.rank?this.argReducePacked(t,e,a):a;},e.prototype.sum=function(t,e){On("sum",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i),a=Rt(t.dtype);return this.reduce(o,"sum",a).reshape(r);},e.prototype.prod=function(t,e){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.prod(t,e);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i),a=Rt(t.dtype);return this.reduce(o,"prod",a).reshape(r);},e.prototype.unsortedSegmentSum=function(t,e,n){var r=0,i=_n([r],t.rank),o=t;null!=i&&(o=t.transpose(i),r=Dn(1,t.rank)[0]);var a=function(t,e,n){for(var r=[],i=t.length,o=0;o<i;o++){o!==e?r.push(t[o]):r.push(n);}return r;}(o.shape,r,n),s=T([o.shape[r]]),u=o.as2D(-1,s),c=Rt(t.dtype),l=this.segOpCompute(u,"unsortedSegmentSum",e,c,n).reshape(a);return null!=i&&(l=l.transpose(Sn(i))),l;},e.prototype.segOpCompute=function(t,e,n,r,i){var o=t.shape[0],a=t.shape[1],s=function(t,e){var n,r=!1;for(t<=Zr?(n=t,r=!0):n=tt(t,Math.floor(Math.sqrt(t)));!r;){n>e||n===t?r=!0:n=tt(t,n+1);}return n;}(a,i),u=new function(t,e){this.variableNames=["x","segmentIds"];var n=t.windowSize,r=t.batchSize,i=t.inSize,o=t.numSegments,a=o*Math.ceil(i/n);this.outputShape=[r,a];var s=4*Math.floor(n/4),u=n%4,c="\n        sumValue += dot(values, segFilter);\n    ",l="";i%n>0&&(l="\n        if (inIdx < 0 || inIdx >= "+i+") {\n          return initializationValue;\n        }\n      ");var f="";i%n>0&&(f="\n        if (inIdx < 0 || inIdx >= "+i+") {\n          return -1.0;\n        }\n      "),this.userCode="\n      const float initializationValue = 0.0;\n\n      float getValue(int batch, int inIdx) {\n        "+l+"\n        return getX(batch, inIdx);\n      }\n\n      float getSegmentIdAtIndex(int inIdx) {\n        "+f+"\n        return getSegmentIds(inIdx);\n      }\n\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n        int outIdx = coords[1];\n        int inOffset = int(floor(float(outIdx) / float(\n          "+o+")) * float("+n+"));\n        int currentSeg = int(mod(float(outIdx), float("+o+")));\n\n        float sumValue = 0.0;\n\n        for (int i = 0; i < "+s+"; i += 4) {\n          int inIdx = inOffset + i;\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            getValue(batch, inIdx + 3)\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 3)) == currentSeg ? 1 : 0\n          );\n\n          "+c+"\n        }\n\n        int inIdx = inOffset + "+s+";\n        if ("+(1===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            initializationValue,\n            initializationValue,\n            initializationValue\n          );\n\n          int inIdxSeg = int(getSegmentIdAtIndex(inIdx));\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            0,\n            0,\n            0\n          );\n\n          "+c+"\n        } else if ("+(2===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            initializationValue,\n            initializationValue\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n              0,\n              0\n          );\n\n          "+c+"\n        } else if ("+(3===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            initializationValue\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,\n            0\n          );\n\n          "+c+"\n        }\n        setOutput(sumValue);\n      }\n    ";}({windowSize:s,inSize:a,batchSize:o,numSegments:i},e),c=this.compileAndRun(u,[t,n],r);return c.shape[1]===i?c:(n=Yn(0,i).tile([a/s]),this.segOpCompute(c,e,n,r,i));},e.prototype.argMinMaxReduce=function(t,e,n){var r=[e];if(On("arg"+n.charAt(0).toUpperCase()+n.slice(1),r,t.rank),!f().getBool("WEBGL_PACK_REDUCE")||t.rank<=2){var i=Cn(t.shape,r),o=i[0],a=T(i[1]),s=t.as2D(-1,a);return this.argReduce(s,n).reshape(o);}return this.argReducePacked(t,n);},e.prototype.argMin=function(t,e){return this.argMinMaxReduce(t,e,"min");},e.prototype.argMax=function(t,e){return this.argMinMaxReduce(t,e,"max");},e.prototype.cumsum=function(t,e,n,r){if(e!==t.rank-1)throw new Error("WebGL cumsum shader expects an inner-most axis="+(t.rank-1)+" but got axis="+e);var i=new function(t,e,n){this.variableNames=["x"],this.outputShape=t;var r=t.length,i=t[t.length-1],o=n?"<":">";this.userCode="\n      int getIndex(int i) {\n        "+(n?"return "+i+" -i - 1;":"return i;")+"\n      }\n\n      void main() {\n        "+xo(r)+" coords = getOutputCoords();\n        int end = "+Bo(r,"coords")+";\n        float val = 0.0;\n        for (int i = "+i+" - 1; i >= 0; i -= 1) {\n          int idx = getIndex(i);\n          if (idx "+o+" end) {\n            continue;\n          }\n          if (idx == end && "+e+") {\n            continue;\n          }\n          "+Bo(r,"coords")+" = idx;\n          val += getX("+function(t,e){if(1===t)return ""+e;if(2===t)return e+".x, "+e+".y";if(3===t)return e+".x, "+e+".y, "+e+".z";if(4===t)return e+".x, "+e+".y, "+e+".z, "+e+".w";throw Error("Cumulative sum for rank "+t+" is not yet supported");}(r,"coords")+");\n        }\n        setOutput(val);\n      }\n    ";}(t.shape,n,r);return this.compileAndRun(i,[t]);},e.prototype.equal=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(equal(a, b));\n","bool");var n=new So("return float(a == b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.notEqual=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(notEqual(a, b));\n","bool");var n=new So("return float(a != b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.less=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.less(t,e);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(lessThan(a, b));\n","bool");var n=new So("return float(a < b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.lessEqual=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(lessThanEqual(a, b));\n","bool");var n=new So("return float(a <= b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.greater=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.greater(t,e);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(greaterThan(a, b));\n","bool");var n=new So("return float(a > b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.greaterEqual=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(greaterThanEqual(a, b));\n","bool");var n=new So("return float(a >= b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.logicalNot=function(t){var e=new xa(t.shape,"return float(!(x >= 1.0));");return this.compileAndRun(e,[t]);},e.prototype.logicalAnd=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return vec4(\n    vec4(greaterThanEqual(a, vec4(1.0))) *\n    vec4(greaterThanEqual(b, vec4(1.0))));\n","bool");var n=new So("return float(a >= 1.0 && b >= 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.logicalOr=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  return min(\n    vec4(greaterThanEqual(a, vec4(1.0))) +\n    vec4(greaterThanEqual(b, vec4(1.0))),\n    vec4(1.0));\n","bool");var n=new So("return float(a >= 1.0 || b >= 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool");},e.prototype.select=function(t,e,n){var r=new function(t,e,n){var r,i;if(this.variableNames=["c","a","b"],this.outputShape=e,n>4)throw Error("Where for rank "+n+" is not yet supported");if(1===n)i="resRC",r="resRC";else {for(var o=["resRC.x","resRC.y","resRC.z","resRC.w"],a=[],s=[],u=0;u<e.length;u++){s.push(""+o[u]),u<t&&a.push(""+o[u]);}r=a.join(),i=s.join();}var c=xo(n);this.userCode="\n      void main() {\n        "+c+" resRC = getOutputCoords();\n        float cVal = getC("+r+");\n        if (cVal >= 1.0) {\n          setOutput(getA("+i+"));\n        } else {\n          setOutput(getB("+i+"));\n        }\n      }\n    ";}(t.rank,e.shape,e.rank);return this.compileAndRun(r,[t,e,n],It(e.dtype,n.dtype));},e.prototype.where=function(t){vn("tf.where() in webgl locks the UI thread. Call tf.whereAsync() instead");var e=t.dataSync();return oo(t.shape,e);},e.prototype.topk=function(t,e,n){return io(t.dataSync(),t.shape,t.dtype,e);},e.prototype.min=function(t,e){On("min",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i);return this.reduce(o,"min",o.dtype).reshape(r);},e.prototype.minimum=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.minimum(t,e);var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Fo("\n  vec4 result = vec4(min(a, b));\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new So("\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return min(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.mod=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Fo("\n  vec4 result = mod(a, b);\n  vec4 isNaN = vec4(equal(b, vec4(0.0)));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new So("if (b == 0.0) return NAN;\n  return mod(a, b);",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.max=function(t,e){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.max(t,e);On("max",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i);return this.reduce(o,"max",o.dtype).reshape(r);},e.prototype.maximum=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.maximum(t,e);var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Fo("\n  vec4 result = vec4(max(a, b));\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new So("\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return max(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.all=function(t,e){On("all",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i);return this.reduce(o,"all",o.dtype).reshape(r);},e.prototype.any=function(t,e){On("any",e,t.rank);var n=Cn(t.shape,e),r=n[0],i=T(n[1]),o=t.as2D(-1,i);return this.reduce(o,"any",o.dtype).reshape(r);},e.prototype.realDivide=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  // vec4 one = vec4(equal(a, b));\n  // return one + (vec4(1.0) - one) * a / b;\n  vec4 result = a / b;\n  if(a.x == b.x) {\n    result.x = 1.;\n  }\n  if(a.y == b.y) {\n    result.y = 1.;\n  }\n  if(a.z == b.z) {\n    result.z = 1.;\n  }\n  if(a.w == b.w) {\n    result.w = 1.;\n  }\n\n  return result;\n","float32",!0);var n=new So("\nif (a == b) {\n  return 1.0;\n};\nreturn a / b;",t.shape,e.shape);return this.compileAndRun(n,[t,e],"float32");},e.prototype.floorDiv=function(t,e){if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n  ivec4 ia = round(a);\n  ivec4 ib = round(b);\n  bvec4 cond = notEqual(ib, ivec4(0));\n  ivec4 result = ivec4(0);\n  vec4 s = sign(a) * sign(b);\n\n  // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n  if (cond[0]) {\n    result[0] = idiv(ia[0], ib[0], s[0]);\n  }\n  if (cond[1]) {\n    result[1] = idiv(ia[1], ib[1], s[1]);\n  }\n  if (cond[2]) {\n    result[2] = idiv(ia[2], ib[2], s[2]);\n  }\n  if (cond[3]) {\n    result[3] = idiv(ia[3], ib[3], s[3]);\n  }\n  return vec4(result);\n","int32");var n=new So("\n  float s = sign(a) * sign(b);\n  int ia = round(a);\n  int ib = round(b);\n  if (ib != 0) {\n    // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n    return float(idiv(ia, ib, s));\n  } else {\n    return NAN;\n  }\n",t.shape,e.shape);return this.compileAndRun(n,[t,e],"int32");},e.prototype.add=function(t,e){if("complex64"===t.dtype&&"complex64"===e.dtype)return this.complexSeparableBinaryOp(t,e,Co);if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.add(t,e);var n=It(t.dtype,e.dtype);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,Co,n);var r=new So(Co,t.shape,e.shape);return this.compileAndRun(r,[t,e],n);},e.prototype.packedUnaryOp=function(t,e,n){var r=new Ba(t.shape,e);return this.compileAndRun(r,[t],n);},e.prototype.packedBinaryOp=function(t,e,n,r,i){void 0===i&&(i=!1);var o=new Fo(n,t.shape,e.shape,i);return this.compileAndRun(o,[t,e],r);},e.prototype.complexSeparableBinaryOp=function(t,e,n){var r=this,i=this.texData.get(t.dataId),o=this.texData.get(e.dataId),a=[[i.complexTensors.real,o.complexTensors.real],[i.complexTensors.imag,o.complexTensors.imag]].map(function(i){var o=i[0],a=i[1],s=r.makeComplexComponentTensorInfo(t,o),u=r.makeComplexComponentTensorInfo(e,a),c=new So(n,t.shape,e.shape);return r.compileAndRun(c,[s,u],It(o.dtype,a.dtype));}),s=a[0],u=a[1],c=this.complex(s,u);return s.dispose(),u.dispose(),c;},e.prototype.makeComplexComponentTensorInfo=function(t,e){return {dataId:e.dataId,dtype:e.dtype,shape:t.shape};},e.prototype.addN=function(t){if(1===t.length)return t[0];if(t.length>f().get("WEBGL_MAX_TEXTURES_IN_SHADER")){var e=Math.floor(t.length/2),n=this.addN(t.slice(0,e)),r=this.addN(t.slice(e));return this.addN([n,r]);}var i=t.map(function(t){return t.dtype;}).reduce(function(t,e){return It(t,e);}),o=t.map(function(t){return t.shape;}),a=f().getBool("WEBGL_PACK")?new function(t,e){this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.variableNames=e.map(function(t,e){return "T"+e;});var n=[];this.variableNames.forEach(function(t){n.push("vec4 v"+t+" = get"+t+"AtOutCoords();");});var r=this.variableNames.map(function(t){return "v"+t;}).join(" + ");this.userCode="\n      void main() {\n        "+n.join("\n        ")+"\n\n        vec4 result = "+r+";\n        setOutput(result);\n      }\n    ";}(t[0].shape,o):new function(t,e){this.outputShape=[],this.outputShape=t,this.variableNames=e.map(function(t,e){return "T"+e;});var n=[];this.variableNames.forEach(function(t){n.push("float v"+t+" = get"+t+"AtOutCoords();");});var r=this.variableNames.map(function(t){return "v"+t;}).join(" + ");this.userCode="\n      void main() {\n        "+n.join("\n        ")+"\n\n        float result = "+r+";\n        setOutput(result);\n      }\n    ";}(t[0].shape,o);return this.compileAndRun(a,t,i);},e.prototype.subtract=function(t,e){if("complex64"===t.dtype&&"complex64"===e.dtype)return this.complexSeparableBinaryOp(t,e,Ao);if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.subtract(t,e);var n=It(t.dtype,e.dtype);if(f().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,Ao,t.dtype);var r=new So(Ao,t.shape,e.shape);return this.compileAndRun(r,[t,e],n);},e.prototype.pow=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Fo("\n  // isModRound1 has 1 for components with round(mod(b, 2.0)) == 1, 0 otherwise.\n  vec4 isModRound1 = vec4(equal(round(mod(b, 2.0)), ivec4(1)));\n  vec4 multiplier = sign(a) * isModRound1 + (vec4(1.0) - isModRound1);\n  vec4 result = multiplier * pow(abs(a), b);\n\n  // Ensure that a^0 = 1, including 0^0 = 1 as this correspond to TF and JS\n  bvec4 isExpZero = equal(b, vec4(0.0));\n  result.r = isExpZero.r ? 1.0 : result.r;\n  result.g = isExpZero.g ? 1.0 : result.g;\n  result.b = isExpZero.b ? 1.0 : result.b;\n  result.a = isExpZero.a ? 1.0 : result.a;\n\n  vec4 isNaN = vec4(lessThan(a, vec4(0.0))) * vec4(lessThan(floor(b), b));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new So("\nif(a < 0.0 && floor(b) < b){\n  return NAN;\n}\nif (b == 0.0) {\n  return 1.0;\n}\nreturn (round(mod(b, 2.0)) != 1) ?\n    pow(abs(a), b) : sign(a) * pow(abs(a), b);\n",t.shape,e.shape),r=It(t.dtype,e.dtype);return this.compileAndRun(n,[t,e],r);},e.prototype.ceil=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.ceil(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Sa,t.dtype);var e=new xa(t.shape,Sa);return this.compileAndRun(e,[t]);},e.prototype.floor=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.floor(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Da,t.dtype);var e=new xa(t.shape,Da);return this.compileAndRun(e,[t]);},e.prototype.sign=function(t){var e=new xa(t.shape,"\n  if (isnan(x)) { return 0.0; }\n  return sign(x);\n");return this.compileAndRun(e,[t]);},e.prototype.isNaN=function(t){var e=new xa(t.shape,"return float(isnan(x));");return this.compileAndRun(e,[t],"bool");},e.prototype.isInf=function(t){var e=new xa(t.shape,"return float(isinf(x));");return this.compileAndRun(e,[t],"bool");},e.prototype.isFinite=function(t){var e=new xa(t.shape,"return float(!isnan(x) && !isinf(x));");return this.compileAndRun(e,[t],"bool");},e.prototype.round=function(t){var e=new xa(t.shape,"\n  // OpenGL ES does not support round function.\n  // The algorithm is based on banker's rounding.\n  float base = floor(x);\n  if ((x - base) < 0.5) {\n    return floor(x);\n  } else if ((x - base) > 0.5) {\n    return ceil(x);\n  } else {\n    if (mod(base, 2.0) == 0.0) {\n      return base;\n    } else {\n      return base + 1.0;\n    }\n  }\n");return this.compileAndRun(e,[t]);},e.prototype.exp=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.exp(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Fa,t.dtype);var e=new xa(t.shape,Fa);return this.compileAndRun(e,[t]);},e.prototype.expm1=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.expm1(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Ta,t.dtype);var e=new xa(t.shape,Ta);return this.compileAndRun(e,[t]);},e.prototype.softmax=function(t,e){var n=L([e],t.shape),r=this.max(t,n),i=An(r.shape,n),o=this.subtract(t,r.reshape(i)),a=this.exp(o),s=this.sum(a,n).reshape(i);return this.realDivide(a,s);},e.prototype.log=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.log(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,"\n  vec4 result = log(x);\n  vec4 isNaN = vec4(lessThan(x, vec4(0.0)));\n  result.r = isNaN.r == 1.0 ? NAN : result.r;\n  result.g = isNaN.g == 1.0 ? NAN : result.g;\n  result.b = isNaN.b == 1.0 ? NAN : result.b;\n  result.a = isNaN.a == 1.0 ? NAN : result.a;\n\n  return result;\n",t.dtype);var e=new xa(t.shape,"if (x < 0.0) return NAN;\n  return log(x);");return this.compileAndRun(e,[t]);},e.prototype.log1p=function(t){var e=new xa(t.shape,"return log(1.0 + x);");return this.compileAndRun(e,[t]);},e.prototype.sqrt=function(t){var e=new xa(t.shape,"return sqrt(x);");return this.compileAndRun(e,[t]);},e.prototype.rsqrt=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.rsqrt(t);var e=new xa(t.shape,"return inversesqrt(x);");return this.compileAndRun(e,[t]);},e.prototype.reciprocal=function(t){var e=new xa(t.shape,"return 1.0 / x;");return this.compileAndRun(e,[t]);},e.prototype.relu=function(t){var e;return e=f().getBool("WEBGL_PACK")?new Ba(t.shape,Ra):new xa(t.shape,Ca),this.compileAndRun(e,[t]);},e.prototype.relu6=function(t){var e;return e=f().getBool("WEBGL_PACK")?new Ba(t.shape,Ma):new xa(t.shape,Aa),this.compileAndRun(e,[t]);},e.prototype.prelu=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Fo(Do,t.shape,e.shape):new So(_o,t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.elu=function(t){if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,ja,t.dtype);var e=new xa(t.shape,Oa);return this.compileAndRun(e,[t]);},e.prototype.eluDer=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Fo("\n  vec4 bGTEZero = vec4(greaterThanEqual(b, vec4(0.)));\n  return (bGTEZero * a) + ((vec4(1.0) - bGTEZero) * (a * (b + vec4(1.0))));\n",t.shape,e.shape):new So("return (b >= 1.0) ? a : a * (b + 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.selu=function(t){var e=new xa(t.shape,"\n  // Stable and Attracting Fixed Point (0, 1) for Normalized Weights.\n  // see: https://arxiv.org/abs/1706.02515\n  float scaleAlpha = 1.7580993408473768;\n  float scale = 1.0507009873554805;\n  return (x >= 0.0) ? scale * x : scaleAlpha * (exp(x) - 1.0);\n");return this.compileAndRun(e,[t]);},e.prototype.int=function(t){var e=new xa(t.shape,"return float(int(x));");return this.compileAndRun(e,[t],"int32");},e.prototype.clip=function(t,e,n){var r,i=(r=f().getBool("WEBGL_PACK_CLIP")?new No(t.shape):new To(t.shape)).getCustomSetupFunc(e,n);return this.compileAndRun(r,[t],null,i);},e.prototype.abs=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.abs(t);if(f().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Ea,t.dtype);var e=new xa(t.shape,Ea);return this.compileAndRun(e,[t]);},e.prototype.complexAbs=function(t){var e=this.texData.get(t.dataId),n=new function(t){this.variableNames=["real","imag"],this.outputShape=t,this.userCode="\n      void main() {\n        float re = abs(getRealAtOutCoords());\n        float im = abs(getImagAtOutCoords());\n        float mx = max(re, im);\n\n        // sadly the length function in glsl is not underflow-safe\n        // (at least not on Intel GPUs). So the safe solution is\n        // to ensure underflow-safety in all cases.\n        setOutput(\n          mx == 0.0 ? 0.0 : mx * length(vec2(1, min(re, im)/mx))\n        );\n      }\n    ";}(t.shape),r=[this.makeComplexComponentTensorInfo(t,e.complexTensors.real),this.makeComplexComponentTensorInfo(t,e.complexTensors.imag)];return this.compileAndRun(n,r);},e.prototype.sigmoid=function(t){var e=new xa(t.shape,"return 1.0 / (1.0 + exp(-1.0 * x));");return this.compileAndRun(e,[t]);},e.prototype.softplus=function(t){var e=new xa(t.shape,"\n  float epsilon = 1.1920928955078125e-7;\n  float threshold = log(epsilon) + 2.0;\n\n  bool too_large = x > -threshold;\n  bool too_small = x < threshold;\n\n  float result;\n  float exp_x = exp(x);\n\n  if (too_large){\n    result = x;\n  }\n  else if (too_small){\n    result = exp_x;\n  }\n  else{\n    result = log(exp_x + 1.0);\n  }\n  return result;\n");return this.compileAndRun(e,[t]);},e.prototype.sin=function(t){var e=new xa(t.shape,"if (isnan(x)) return x;\n  return sin(x);\n");return this.compileAndRun(e,[t]);},e.prototype.cos=function(t){var e=new xa(t.shape,"if (isnan(x)) return x;\n  return cos(x);\n");return this.compileAndRun(e,[t]);},e.prototype.tan=function(t){var e=new xa(t.shape,"return tan(x);");return this.compileAndRun(e,[t]);},e.prototype.asin=function(t){var e=new xa(t.shape,"if (isnan(x)) return x;\n  if (abs(x) > 1.) {\n    return NAN;\n  }\n  return asin(x);\n");return this.compileAndRun(e,[t]);},e.prototype.acos=function(t){var e=new xa(t.shape,"if (isnan(x)) return x;\n  if (abs(x) > 1.) {\n    return NAN;\n  }\n  return acos(x);\n");return this.compileAndRun(e,[t]);},e.prototype.atan=function(t){var e=new xa(t.shape,"if (isnan(x)) return x;\n  return atan(x);\n");return this.compileAndRun(e,[t]);},e.prototype.atan2=function(t,e){var n=f().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Fo("\n  vec4 result = atan(a, b);\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",t.shape,e.shape):new So("\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return atan(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e]);},e.prototype.sinh=function(t){var e=new xa(t.shape,"\n  float e2x = exp(x);\n  return (e2x - 1.0 / e2x) / 2.0;\n");return this.compileAndRun(e,[t]);},e.prototype.cosh=function(t){var e=new xa(t.shape,"\n  float e2x = exp(-x);\n  return (e2x + 1.0 / e2x) / 2.0;\n");return this.compileAndRun(e,[t]);},e.prototype.tanh=function(t){var e=new xa(t.shape,"\n  float e2x = exp(-2.0 * abs(x));\n  return sign(x) * (1.0 - e2x) / (1.0 + e2x);\n");return this.compileAndRun(e,[t]);},e.prototype.asinh=function(t){var e=new xa(t.shape,"if (isnan(x)) return x;return log(x + sqrt(x * x + 1.0));");return this.compileAndRun(e,[t]);},e.prototype.acosh=function(t){var e=new xa(t.shape,"if (isnan(x)) return x;\n  if (x < 1.0) return NAN;\n  return log(x + sqrt(x * x - 1.0));");return this.compileAndRun(e,[t]);},e.prototype.atanh=function(t){var e=new xa(t.shape,"if (isnan(x)) return x;\n  if ((x < -1.0) || (x > 1.0)) return NAN;\n  return (log(1.0 + x) - log(1.0 - x)) / 2.0;");return this.compileAndRun(e,[t]);},e.prototype.erf=function(t){var e=new xa(t.shape,'\n  // Error function is calculated approximately with elementary function.\n  // See "Handbook of Mathematical Functions with Formulas,\n  // Graphs, and Mathematical Tables", Abramowitz and Stegun.\n  float p = 0.3275911;\n  float a1 = 0.254829592;\n  float a2 = -0.284496736;\n  float a3 = 1.421413741;\n  float a4 = -1.453152027;\n  float a5 = 1.061405429;\n\n  float sign = sign(x);\n  x = abs(x);\n  float t = 1.0 / (1.0 + p * x);\n  return sign * (1.0 - (((((a5*t + a4)*t) + a3)*t + a2)*t + a1)*t*exp(-x*x));\n');return this.compileAndRun(e,[t]);},e.prototype.step=function(t,e){var n=new xa(t.shape,function(t){return void 0===t&&(t=0),wa+"\n    return x > 0.0 ? 1.0 : float("+t+");\n  ";}(e));return this.compileAndRun(n,[t]);},e.prototype.conv2dByMatMul=function(t,e,n,r,i,o){var a=t.shape,s=this.texData.get(t.dataId),u=n.inChannels,c=a[0]*a[1]*a[2],l=n.outChannels,h="channelsLast"===n.dataFormat,d=(1===c||1===l)&&u>1e3,p=a[2]%2!=0&&!!s.isPacked;if(d||!f().getBool("WEBGL_LAZILY_UNPACK")||!f().getBool("WEBGL_PACK_BINARY_OPERATIONS")||!p){var m=h?a[0]*a[1]*a[2]:a[0]*a[2]*a[3],g=this.reshape(t,[1,m,n.inChannels]),v=this.reshape(e,[1,n.inChannels,n.outChannels]);return this.reshape(this.fusedBatchMatMul({a:g,b:v,transposeA:!1,transposeB:!1,bias:r,activation:i,preluActivationWeights:o}),n.outShape);}var y=h?a[0]*a[1]*(a[2]+1):a[0]*a[2]*(a[3]+1),b={dataId:t.dataId,shape:[1,y,n.inChannels],dtype:t.dtype},x=s.shape;s.shape=s.shape.slice(),s.shape[s.shape.length-2]++,_(Be(s.shape,b.shape),function(){return "packed reshape "+s.shape+" to "+b.shape+" isn't free";});var w=this.reshape(e,[1,n.inChannels,n.outChannels]),k=this.fusedBatchMatMul({a:b,b:w,transposeA:!1,transposeB:!1,bias:r,activation:i,preluActivationWeights:o}),E=this.texData.get(k.dataId);return _(E.isPacked,function(){return "batchMatMul result is expected to be packed";}),s.shape=x,E.shape=n.outShape,Wt.makeTensorFromDataId(k.dataId,n.outShape,k.dtype);},e.prototype.conv2dWithIm2Row=function(t,e,n,r,i,o){var a=n.filterWidth,s=n.filterHeight,u=n.inChannels,c=n.outWidth,l=n.outHeight,f="channelsLast"===n.dataFormat,h=a*s*u,d=l*c,p=[h,d],m=t.squeeze([0]),g=e.reshape([1,h,-1]),v=new function(t,e,n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t;for(var r=n.filterWidth,i=n.inChannels,o=n.strideWidth,a=n.strideHeight,s=n.padInfo,u=n.outWidth,c=n.dilationWidth,l=n.dilationHeight,f=n.dataFormat,h=s.left,d=s.top,p=i*r,m=uo(),g="channelsLast"===f,v=g?0:1,y=g?1:2,b="",x=0;x<=1;x++){for(var w=0;w<=1;w++){b+="\n          blockIndex = rc.y + "+w+";\n          pos = rc.x + "+x+";\n\n          if(blockIndex < "+t[1]+" && pos < "+t[0]+") {\n            offsetY = int(blockIndex / ("+u+")) * "+a+" - "+d+";\n            d0 = offsetY + "+l+" * (pos / "+p+");\n\n            if(d0 < "+e[v]+" && d0 >= 0) {\n\n              offsetX = int(mod(float(blockIndex), "+u+".) * "+o+". - "+h+".);\n              d1 = offsetX + "+c+" * (int(mod(float(pos), "+p+".) / "+i+".));\n\n              if(d1 < "+e[y]+" && d1 >= 0) {\n\n                ch = int(mod(float(pos), "+i+".));\n\n                if ("+g+") {\n                  innerDims = vec2(d1, ch);\n                  result["+(2*x+w)+"] = getChannel(\n                    getA(d0, int(innerDims.x),\n                    int(innerDims.y)), innerDims);\n                } else {\n                  innerDims = vec2(d0, d1);\n                  result["+(2*x+w)+"] = getChannel(\n                    getA(ch, int(innerDims.x),\n                    int(innerDims.y)), innerDims);\n                }\n              }\n            }\n          }\n        ";}}this.userCode="\n      void main() {\n        ivec2 rc = getOutputCoords();\n\n        vec4 result = vec4(0);\n\n        int blockIndex, pos, offsetY, d0, offsetX, d1, ch;\n        vec2 innerDims;\n\n        "+b+"\n\n        "+m.output+" = result;\n      }\n    ";}(p,m.shape,n),y=this.compileAndRun(v,[m]).reshape([1,p[0],p[1]]),b=null!=r,x=null!=o,w=i?La(i,!0):null,k=new sa(y.shape,[1,d,n.outChannels],!0,!1,b,w,x),E=[y,g];r&&E.push(r),x&&E.push(o);var C=this.compileAndRun(k,E);return f?C.reshape([1,l,c,n.outChannels]):C.reshape([1,n.outChannels,l,c]);},e.prototype.fusedConv2d=function(t){var e=t.input,n=t.filter,r=t.convInfo,i=t.bias,o=t.activation,a=t.preluActivationWeights;if(1===r.filterHeight&&1===r.filterWidth&&1===r.dilationHeight&&1===r.dilationWidth&&1===r.strideHeight&&1===r.strideWidth&&("SAME"===r.padInfo.type||"VALID"===r.padInfo.type))return this.conv2dByMatMul(e,n,r,i,o,a);if(f().getBool("WEBGL_CONV_IM2COL")&&1===e.shape[0])return this.conv2dWithIm2Row(e,n,r,i,o,a);var s=null!=i,u=null!=a,c=o?La(o,!1):null,l=new Ro(r,s,c,u),h=[e,n];return i&&h.push(i),a&&h.push(a),this.compileAndRun(l,h);},e.prototype.conv2d=function(t,e,n){if(1===n.filterHeight&&1===n.filterWidth&&1===n.dilationHeight&&1===n.dilationWidth&&1===n.strideHeight&&1===n.strideWidth&&("SAME"===n.padInfo.type||"VALID"===n.padInfo.type))return this.conv2dByMatMul(t,e,n);if(f().getBool("WEBGL_CONV_IM2COL")&&1===t.shape[0])return this.conv2dWithIm2Row(t,e,n);var r=new Ro(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv2dDerInput=function(t,e,n){var r=new function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,i=t.strideWidth,o="channelsLast"===t.dataFormat,a=e-1-t.padInfo.top,s=n-1-t.padInfo.left,u=o?1:2,c=o?2:3,l=o?3:1;this.userCode="\n      const ivec2 pads = ivec2("+a+", "+s+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d1 = coords["+l+"];\n\n        ivec2 dyCorner = ivec2(coords["+u+"], coords["+c+"]) - pads;\n        int dyRCorner = dyCorner.x;\n        int dyCCorner = dyCorner.y;\n\n        // Convolve dy(?, ?, d2) with w(:, :, d1, d2) to compute dx(xR, xC, d1).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+e+"; wR++) {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          int wRPerm = "+e+" - 1 - wR;\n\n          for (int wC = 0; wC < "+n+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+i+".0;\n\n            if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            int wCPerm = "+n+" - 1 - wC;\n\n            for (int d2 = 0; d2 < "+t.outChannels+"; d2++) {\n\n              if ("+o+") {\n                float xValue = getDy(batch, idyR, idyC, d2);\n                float wValue = getW(wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              } else {\n                float xValue = getDy(batch, d2, idyR, idyC);\n                float wValue = getW(wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              }\n\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv2dDerFilter=function(t,e,n){var r=new function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideHeight,n=t.strideWidth,r=t.padInfo.top,i=t.padInfo.left,o="channelsLast"===t.dataFormat;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int wR = coords.x;\n        int wC = coords.y;\n        int d1 = coords.z;\n        int d2 = coords.w;\n\n        // Convolve x(?, ?, d1) with dy(:, :, d2) to get dw(wR, wC, d1, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int b = 0; b < "+t.batchSize+"; b++) {\n          for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n            int xR = wR + yR * "+e+" - "+r+";\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n              int xC = wC + yC * "+n+" - "+i+";\n\n              if (xC < 0 || xC >= "+t.inWidth+") {\n                continue;\n              }\n\n              if ("+o+") {\n                float dyValue = getDy(b, yR, yC, d2);\n                float xValue = getX(b, xR, xC, d1);\n                dotProd += (xValue * dyValue);\n              } else {\n                float dyValue = getDy(b, d2, yR, yC);\n                float xValue = getX(b, d1, xR, xC);\n                dotProd += (xValue * dyValue);\n              }\n\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.fusedDepthwiseConv2D=function(t){var e,n=t.input,r=t.filter,i=t.convInfo,o=t.bias,a=t.activation,s=t.preluActivationWeights,u=f().getBool("WEBGL_PACK_DEPTHWISECONV")&&i.strideWidth<=2&&i.outChannels/i.inChannels==1,c=a?La(a,u):null,l=[n,r],h=null!=o,d=null!=s;return h&&l.push(o),d&&l.push(s),u?(e=new jo(i,h,c,d),this.compileAndRun(e,l)):(e=new Mo(i,h,c,d),this.compileAndRun(e,l));},e.prototype.depthwiseConv2D=function(t,e,n){var r;return f().getBool("WEBGL_PACK_DEPTHWISECONV")&&n.strideWidth<=2&&n.outChannels/n.inChannels==1?(r=new jo(n),this.compileAndRun(r,[t,e])):(r=new Mo(n),this.compileAndRun(r,[t,e]));},e.prototype.depthwiseConv2DDerInput=function(t,e,n){var r=new function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,i=t.strideWidth,o=e-1-t.padInfo.top,a=n-1-t.padInfo.left,s=t.outChannels/t.inChannels;this.userCode="\n      const ivec2 pads = ivec2("+o+", "+a+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d1 = coords[3];\n        ivec2 dyCorner = coords.yz - pads;\n        int dyRCorner = dyCorner.x;\n        int dyCCorner = dyCorner.y;\n\n        float dotProd = 0.0;\n\n        for (int wR = 0; wR < "+e+"; wR++) {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          int wRPerm = "+e+" - 1 - wR;\n\n          for (int wC = 0; wC < "+n+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+i+".0;\n\n            if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            int wCPerm = "+n+" - 1 - wC;\n\n            // TO DO: Vec4 over the channelMul\n            for (int dm = 0; dm < "+s+"; dm++) {\n              int d2 = d1 * "+s+" + dm;\n              float xValue = getDy(batch, idyR, idyC, d2);\n              float wValue = getW(wRPerm, wCPerm, d1, dm);\n              dotProd += xValue * wValue;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.depthwiseConv2DDerFilter=function(t,e,n){var r=new function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideHeight,n=t.strideWidth,r=t.padInfo.top,i=t.padInfo.left,o=t.outChannels/t.inChannels;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int wR = coords.x;\n        int wC = coords.y;\n        int d1 = coords.z;\n        int dm = coords.w;\n        int d2 = d1 * "+o+" + dm;\n\n        float dotProd = 0.0;\n\n        // TO DO: Vec4 over the batch size\n        for (int b = 0; b < "+t.batchSize+"; b++) {\n          for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n            int xR = wR + yR * "+e+" - "+r+";\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n              int xC = wC + yC * "+n+" - "+i+";\n\n              if (xC < 0 || xC >= "+t.inWidth+") {\n                continue;\n              }\n\n              float dyValue = getDy(b, yR, yC, d2);\n              float xValue = getX(b, xR, xC, d1);\n              dotProd += (xValue * dyValue);\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv3d=function(t,e,n){var r=new function(t){this.variableNames=["x","W"],this.outputShape=t.outShape;var e=t.padInfo.front,n=t.padInfo.top,r=t.padInfo.left,i=t.strideDepth,o=t.strideHeight,a=t.strideWidth,s=t.dilationDepth,u=t.dilationHeight,c=t.dilationWidth,l=t.filterDepth,f=t.filterHeight,h=t.filterWidth,d=4*Math.floor(t.inChannels/4),p=t.inChannels%4;this.userCode="\n      const ivec3 strides = ivec3("+i+", "+o+", "+a+");\n      const ivec3 pads = ivec3("+e+", "+n+", "+r+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int d2 = coords.u;\n\n        ivec3 xFRCCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n        int xFCorner = xFRCCorner.x;\n        int xRCorner = xFRCCorner.y;\n        int xCCorner = xFRCCorner.z;\n\n        // Convolve x(?, ?, ?, d1) with w(:, :, :, d1, d2) to get\n        // y(yF, yR, yC, d2). ? = to be determined. : = across all\n        // values in that axis.\n        float dotProd = 0.0;\n        for (int wF = 0; wF < "+l+"; wF++) {\n          int xF = xFCorner + wF * "+s+";\n\n          if (xF < 0 || xF >= "+t.inDepth+") {\n            continue;\n          }\n\n          for (int wR = 0; wR < "+f+"; wR++) {\n            int xR = xRCorner + wR * "+u+";\n\n            if (xR < 0 || xR >= "+t.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+h+"; wC++) {\n              int xC = xCCorner + wC * "+c+";\n\n              if (xC < 0 || xC >= "+t.inWidth+") {\n                continue;\n              }\n\n              for (int d1 = 0; d1 < "+d+"; d1 += 4) {\n                vec4 xValues = vec4(\n                  getX(batch, xF, xR, xC, d1),\n                  getX(batch, xF, xR, xC, d1 + 1),\n                  getX(batch, xF, xR, xC, d1 + 2),\n                  getX(batch, xF, xR, xC, d1 + 3)\n                );\n                vec4 wValues = vec4(\n                  getW(wF, wR, wC, d1, d2),\n                  getW(wF, wR, wC, d1 + 1, d2),\n                  getW(wF, wR, wC, d1 + 2, d2),\n                  getW(wF, wR, wC, d1 + 3, d2)\n                );\n\n                dotProd += dot(xValues, wValues);\n              }\n\n              if ("+(1===p)+") {\n                dotProd +=\n                  getX(batch, xF, xR, xC, "+d+") *\n                  getW(wF, wR, wC, "+d+", d2);\n              } else if ("+(2===p)+") {\n                vec2 xValues = vec2(\n                  getX(batch, xF, xR, xC, "+d+"),\n                  getX(batch, xF, xR, xC, "+d+" + 1)\n                );\n                vec2 wValues = vec2(\n                  getW(wF, wR, wC, "+d+", d2),\n                  getW(wF, wR, wC, "+d+" + 1, d2)\n                );\n                dotProd += dot(xValues, wValues);\n              } else if ("+(3===p)+") {\n                vec3 xValues = vec3(\n                  getX(batch, xF, xR, xC, "+d+"),\n                  getX(batch, xF, xR, xC, "+d+" + 1),\n                  getX(batch, xF, xR, xC, "+d+" + 2)\n                );\n                vec3 wValues = vec3(\n                  getW(wF, wR, wC, "+d+", d2),\n                  getW(wF, wR, wC, "+d+" + 1, d2),\n                  getW(wF, wR, wC, "+d+" + 2, d2)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv3dDerInput=function(t,e,n){var r=new function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterDepth,n=t.filterHeight,r=t.filterWidth,i=t.strideDepth,o=t.strideHeight,a=t.strideWidth,s=e-1-t.padInfo.front,u=n-1-t.padInfo.top,c=r-1-t.padInfo.left;this.userCode="\n      const ivec3 pads = ivec3("+s+", "+u+", "+c+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int d1 = coords.u;\n\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyFCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        float dotProd = 0.0;\n        for (int wF = 0; wF < "+e+"; wF++) {\n          float dyF = float(dyFCorner + wF) / "+i+".0;\n\n          if (dyF < 0.0 || dyF >= "+t.outDepth+".0 || fract(dyF) > 0.0) {\n            continue;\n          }\n          int idyF = int(dyF);\n\n          int wFPerm = "+e+" - 1 - wF;\n\n          for (int wR = 0; wR < "+n+"; wR++) {\n            float dyR = float(dyRCorner + wR) / "+o+".0;\n\n            if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n              fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            int wRPerm = "+n+" - 1 - wR;\n\n            for (int wC = 0; wC < "+r+"; wC++) {\n              float dyC = float(dyCCorner + wC) / "+a+".0;\n\n              if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              int wCPerm = "+r+" - 1 - wC;\n\n              for (int d2 = 0; d2 < "+t.outChannels+"; d2++) {\n                float xValue = getDy(batch, idyF, idyR, idyC, d2);\n                float wValue = getW(wFPerm, wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.conv3dDerFilter=function(t,e,n){var r=new function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideDepth,n=t.strideHeight,r=t.strideWidth,i=t.padInfo.front,o=t.padInfo.top,a=t.padInfo.left;this.userCode="\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int wF = coords.x;\n        int wR = coords.y;\n        int wC = coords.z;\n        int d1 = coords.w;\n        int d2 = coords.u;\n\n        float dotProd = 0.0;\n\n        for (int b = 0; b < "+t.batchSize+"; b++) {\n          for (int yF = 0; yF < "+t.outDepth+"; yF++) {\n            int xF = wF + yF * "+e+" - "+i+";\n\n            if (xF < 0 || xF >= "+t.inDepth+") {\n              continue;\n            }\n\n            for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n              int xR = wR + yR * "+n+" - "+o+";\n\n              if (xR < 0 || xR >= "+t.inHeight+") {\n                continue;\n              }\n\n              for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n                int xC = wC + yC * "+r+" - "+a+";\n\n                if (xC < 0 || xC >= "+t.inWidth+") {\n                  continue;\n                }\n\n                float dyValue = getDy(b, yF, yR, yC, d2);\n                float xValue = getX(b, xF, xR, xC, d1);\n                dotProd += (xValue * dyValue);\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t,e]);},e.prototype.maxPool=function(t,e){var n=new ca(e,"max",!1);return this.compileAndRun(n,[t]);},e.prototype.avgPool=function(t,e){var n=new ca(e,"avg",!1);return this.compileAndRun(n,[t],"float32");},e.prototype.maxPoolBackprop=function(t,e,n,r){var i=new ca(r,"max",!0),o=this.compileAndRun(i,[e]),a=new function(t){this.variableNames=["dy","maxPos"],this.outputShape=t.inShape;var e=t.strideHeight,n=t.strideWidth,r=t.dilationHeight,i=t.effectiveFilterHeight,o=t.effectiveFilterWidth,a=i-1-t.padInfo.top,s=o-1-t.padInfo.left,u=i*o-1;this.userCode="\n      const ivec2 pads = ivec2("+a+", "+s+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n\n        ivec2 dyRCCorner = coords.yz - pads;\n        int dyRCorner = dyRCCorner.x;\n        int dyCCorner = dyRCCorner.y;\n\n        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+i+";\n          wR += "+r+") {\n          float dyR = float(dyRCorner + wR) / "+e+".0;\n\n          if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          for (int wC = 0; wC < "+o+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+n+".0;\n\n            if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            float dyValue = getDy(b, idyR, idyC, d);\n            int maxPosValue = "+u+" - int(getMaxPos(b, idyR, idyC, d));\n\n            // Get the current value, check it against the value from the\n            // position matrix.\n            int curPosValue = wR * "+o+" + wC;\n            float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);\n\n            dotProd += dyValue * mask;\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(r),s=this.compileAndRun(a,[t,o],e.dtype);return o.dispose(),s;},e.prototype.avgPoolBackprop=function(t,e,n){var r=new function(t){this.variableNames=["dy"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,i=t.strideWidth,o=t.dilationHeight,a=t.dilationWidth,s=t.effectiveFilterHeight,u=t.effectiveFilterWidth,c=s-1-t.padInfo.top,l=u-1-t.padInfo.left,f=1/(e*n);this.userCode="\n      const ivec2 pads = ivec2("+c+", "+l+");\n      const float avgMultiplier = float("+f+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n\n        ivec2 dyRCCorner = coords.yz - pads;\n        int dyRCorner = dyRCCorner.x;\n        int dyCCorner = dyRCCorner.y;\n\n        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+s+";\n            wR += "+o+") {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          for (int wC = 0; wC < "+u+";\n            wC+= "+a+") {\n            float dyC = float(dyCCorner + wC) / "+i+".0;\n\n            if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            float dyValue = getDy(b, idyR, idyC, d);\n\n            dotProd += dyValue * avgMultiplier;\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t],e.dtype);},e.prototype.cast=function(t,e){return zi(t,e,this);},e.prototype.unstack=function(t,e){for(var n=t.shape[e],r=new Array(t.rank-1),i=0,o=0;o<t.rank;o++){o!==e&&(r[i++]=t.shape[o]);}var a=new Array(t.rank).fill(0),s=t.shape.slice();s[e]=1;var u=new Array(n);for(o=0;o<u.length;o++){a[e]=o,u[o]=this.slice(t,a,s).reshape(r);}return u;},e.prototype.avgPool3d=function(t,e){var n=new la(e,"avg",!1);return this.compileAndRun(n,[t],"float32");},e.prototype.avgPool3dBackprop=function(t,e,n){var r=new function(t){this.variableNames=["dy"],this.outputShape=t.inShape;var e=t.filterDepth,n=t.filterHeight,r=t.filterWidth,i=t.strideDepth,o=t.strideHeight,a=t.strideWidth,s=t.dilationDepth,u=t.dilationHeight,c=t.dilationWidth,l=t.effectiveFilterDepth,f=t.effectiveFilterHeight,h=t.effectiveFilterWidth,d=l-1-t.padInfo.front,p=f-1-t.padInfo.top,m=h-1-t.padInfo.left,g=1/(e*n*r);this.userCode="\n      const ivec3 pads = ivec3("+d+", "+p+", "+m+");\n      const float avgMultiplier = float("+g+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyDCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        // Convolve dy(?, ?, ?, d) with pos mask(:, :, :, ch) to get\n        // dx(xD, xR, xC, ch).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int wD = 0; wD < "+l+";\n            wD += "+s+") {\n          float dyD = float(dyDCorner + wD) / "+i+".0;\n\n          if (dyD < 0.0 || dyD >= "+t.outDepth+".0 || fract(dyD) > 0.0) {\n            continue;\n          }\n          int idyD = int(dyD);\n\n          for (int wR = 0; wR < "+f+";\n              wR += "+u+") {\n            float dyR = float(dyRCorner + wR) / "+o+".0;\n\n            if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n                fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            for (int wC = 0; wC < "+h+";\n                wC += "+c+") {\n              float dyC = float(dyCCorner + wC) / "+a+".0;\n\n              if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              float dyValue = getDy(batch, idyD, idyR, idyC, ch);\n\n              dotProd += dyValue * avgMultiplier;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(n);return this.compileAndRun(r,[t],e.dtype);},e.prototype.maxPool3d=function(t,e){var n=new la(e,"max",!1);return this.compileAndRun(n,[t],"float32");},e.prototype.maxPool3dBackprop=function(t,e,n,r){var i=new la(r,"max",!0),o=this.compileAndRun(i,[e]),a=new function(t){this.variableNames=["dy","maxPos"],this.outputShape=t.inShape;var e=t.strideDepth,n=t.strideHeight,r=t.strideWidth,i=t.dilationDepth,o=t.dilationHeight,a=t.dilationWidth,s=t.effectiveFilterDepth,u=t.effectiveFilterHeight,c=t.effectiveFilterWidth,l=s-1-t.padInfo.front,f=u-1-t.padInfo.top,h=c-1-t.padInfo.left,d=s*u*c-1;this.userCode="\n      const ivec3 pads = ivec3("+l+", "+f+", "+h+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyDCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        // Convolve dy(?, ?, ?, ch) with pos mask(:, :, :, d) to get\n        // dx(xD, xR, xC, ch).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int wD = 0; wD < "+s+";\n           wD += "+i+") {\n          float dyD = float(dyDCorner + wD) / "+e+".0;\n\n          if (dyD < 0.0 || dyD >= "+t.outDepth+".0 || fract(dyD) > 0.0) {\n            continue;\n          }\n          int idyD = int(dyD);\n\n          for (int wR = 0; wR < "+u+";\n              wR += "+o+") {\n            float dyR = float(dyRCorner + wR) / "+n+".0;\n\n            if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n                fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            for (int wC = 0; wC < "+c+";\n                wC += "+a+") {\n              float dyC = float(dyCCorner + wC) / "+r+".0;\n\n              if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              float dyValue = getDy(batch, idyD, idyR, idyC, ch);\n              int maxPosValue = "+d+" -\n                  int(getMaxPos(batch, idyD, idyR, idyC, ch));\n\n              // Get the current value, check it against the value from the\n              // position matrix.\n              int curPosValue =\n                  wD * "+u+" * "+c+" +\n                  wR * "+c+" + wC;\n              float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);\n\n              dotProd += dyValue * mask;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    ";}(r),s=this.compileAndRun(a,[t,o],e.dtype);return o.dispose(),s;},e.prototype.reshape=function(t,e){var n=this.texData.get(t.dataId);if(n.isPacked&&!Be(t.shape,e)&&(null===n.texture||!Be(n.shape,e))){var r=this.packedReshape(t,e);return Wt.makeTensorFromDataId(r.dataId,r.shape,r.dtype);}return Ui(t,e);},e.prototype.resizeBilinear=function(t,e,n,r){var i=f().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new function(t,e,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];var i=t[0],o=t[1],a=t[2],s=t[3];this.outputShape=[i,e,n,s];var u=[r&&e>1?o-1:o,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n];this.userCode="\n      const vec3 effectiveInputOverOutputRatioRC = vec3(\n          "+u[0]/c[0]+",\n          "+u[1]/c[1]+",\n          "+u[1]/c[1]+");\n      const vec3 inputShapeRC = vec3("+o+".0, "+a+".0,\n                                     "+a+".0);\n\n      float getAValue(int b, int r, int c, int d) {\n        return getChannel(getA(b, r, c, d), vec2(c, d));\n      }\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        // Calculate values for next column in yRC.z.\n        ivec3 yRC = coords.yzz + ivec3(0, 0, 1);\n\n        // Fractional source index.\n        vec3 sourceFracIndexRC = vec3(yRC) * effectiveInputOverOutputRatioRC;\n\n        // Compute the four integer indices.\n        ivec3 sourceFloorRC = ivec3(sourceFracIndexRC);\n        ivec3 sourceCeilRC = ivec3(\n          min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));\n\n        // Should we calculate next column and row elements in 2x2 packed cell.\n        bool hasNextCol = d < "+(s-1)+";\n        bool hasNextRow = coords.z < "+(n-1)+";\n\n        // In parallel, construct four corners for all four components in\n        // packed 2x2 cell.\n        vec4 topLeft = vec4(\n          getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d),\n          hasNextCol ? getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d + 1) : 0.0);\n\n        vec4 bottomLeft = vec4(\n          getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d),\n          hasNextCol ? getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d + 1) : 0.0);\n\n        vec4 topRight = vec4(\n          getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d),\n          hasNextCol ? getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d + 1) : 0.0);\n\n        vec4 bottomRight = vec4(\n          getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d),\n          hasNextCol ? getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d + 1) : 0.0);\n\n        vec3 fracRC = sourceFracIndexRC - vec3(sourceFloorRC);\n\n        vec4 top = mix(topLeft, topRight, fracRC.yyzz);\n        vec4 bottom = mix(bottomLeft, bottomRight, fracRC.yyzz);\n        vec4 newValue = mix(top, bottom, fracRC.x);\n\n        setOutput(newValue);\n      }\n    ";}(t.shape,e,n,r):new function(t,e,n,r){this.variableNames=["A"],this.outputShape=[];var i=t[0],o=t[1],a=t[2],s=t[3];this.outputShape=[i,e,n,s];var u=[r&&e>1?o-1:o,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n];this.userCode="\n      const vec2 effectiveInputOverOutputRatioRC = vec2(\n          "+u[0]/c[0]+",\n          "+u[1]/c[1]+");\n      const vec2 inputShapeRC = vec2("+o+".0, "+a+".0);\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        ivec2 yRC = coords.yz;\n\n        // Fractional source index.\n        vec2 sourceFracIndexRC = vec2(yRC) * effectiveInputOverOutputRatioRC;\n\n        // Compute the four integer indices.\n        ivec2 sourceFloorRC = ivec2(sourceFracIndexRC);\n        ivec2 sourceCeilRC = ivec2(\n          min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));\n\n        float topLeft = getA(b, sourceFloorRC.x, sourceFloorRC.y, d);\n        float bottomLeft = getA(b, sourceCeilRC.x, sourceFloorRC.y, d);\n        float topRight = getA(b, sourceFloorRC.x, sourceCeilRC.y, d);\n        float bottomRight = getA(b, sourceCeilRC.x, sourceCeilRC.y, d);\n\n        vec2 fracRC = sourceFracIndexRC - vec2(sourceFloorRC);\n\n        float top = topLeft + (topRight - topLeft) * fracRC.y;\n        float bottom = bottomLeft + (bottomRight - bottomLeft) * fracRC.y;\n        float newValue = top + (bottom - top) * fracRC.x;\n\n        setOutput(newValue);\n      }\n    ";}(t.shape,e,n,r);return this.compileAndRun(i,[t],"float32");},e.prototype.resizeBilinearBackprop=function(t,e,n){var r=new function(t,e,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=e.shape;var r=e.shape,i=r[1],o=r[2],a=t.shape,s=a[1],u=a[2],c=[n&&s>1?i-1:i,n&&u>1?o-1:o],l=[n&&s>1?s-1:s,n&&u>1?u-1:u],f=c[0]/l[0],h=c[1]/l[1],d=1/f,p=1/h,m=2*Math.ceil(d)+2,g=2*Math.ceil(p)+2;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        int r = coords[1];\n        int c = coords[2];\n\n        float accumulator = 0.0;\n\n        const float heightScale = float("+f+");\n        const float widthScale = float("+h+");\n\n        const float invHeightScale = float("+d+");\n        const float invWidthScale = float("+p+");\n\n        const int winHeight = int("+m+");\n        const int winWidth = int("+g+");\n\n        // Compute bounds for where in dy we will look\n        float startRLerp = floor(float(r) * invHeightScale);\n        int startDyR = int(startRLerp - float(winHeight / 2));\n\n        float startCLerp = floor(float(c) * invWidthScale);\n        int startDyC = int(startCLerp - float(winWidth / 2));\n\n        // Loop over dy\n        for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {\n          int dyR = dyROffset + startDyR;\n\n          // Guard against the window exceeding the bounds of dy\n          if (dyR < 0 || dyR >= "+s+") {\n            continue;\n          }\n\n          for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {\n            int dyC = dyCOffset + startDyC;\n\n            // Guard against the window exceeding the bounds of dy\n            if (dyC < 0 || dyC >= "+u+") {\n              continue;\n            }\n\n            float dxR = float(dyR) * heightScale;\n            int topDxRIndex = int(floor(dxR));\n            int bottomDxRIndex = int(min(ceil(dxR), "+(i-1)+".0));\n            float dxRLerp = dxR - float(topDxRIndex);\n            float inverseDxRLerp = 1.0 - dxRLerp;\n\n            float dxC = float(dyC) * widthScale;\n            int leftDxCIndex = int(floor(dxC));\n            int rightDxCIndex = int(min(ceil(dxC), "+(o-1)+".0));\n            float dxCLerp = dxC - float(leftDxCIndex);\n            float inverseDxCLerp = 1.0 - dxCLerp;\n\n            if (r == topDxRIndex && c == leftDxCIndex) {\n              // topLeft\n              accumulator +=\n                getDy(b, dyR, dyC, d) * inverseDxRLerp * inverseDxCLerp;\n            }\n\n            if (r == topDxRIndex && c == rightDxCIndex) {\n              // topRight\n              accumulator += getDy(b, dyR, dyC, d) * inverseDxRLerp * dxCLerp;\n            }\n\n            if (r == bottomDxRIndex && c == leftDxCIndex) {\n              // bottomLeft\n              accumulator += getDy(b, dyR, dyC, d) * dxRLerp * inverseDxCLerp;\n            }\n\n            if (r == bottomDxRIndex && c == rightDxCIndex) {\n              // bottomRight\n              accumulator += getDy(b, dyR, dyC, d) * dxRLerp * dxCLerp;\n            }\n          }\n        }\n        // End loop over dy\n\n        setOutput(accumulator);\n      }\n    ";}(t,e,n);return this.compileAndRun(r,[t]);},e.prototype.resizeNearestNeighbor=function(t,e,n,r){var i=new function(t,e,n,r){this.variableNames=["A"],this.outputShape=[];var i=t[0],o=t[1],a=t[2],s=t[3];this.outputShape=[i,e,n,s];var u=[r&&e>1?o-1:o,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n],l=r?"0.5":"0.0";this.userCode="\n      const vec2 effectiveInputOverOutputRatioRC = vec2(\n          "+u[0]/c[0]+",\n          "+u[1]/c[1]+");\n      const vec2 inputShapeRC = vec2("+o+".0, "+a+".0);\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        ivec2 yRC = coords.yz;\n\n        // Fractional source index.\n        vec2 sourceFracIndexRC = vec2(yRC) * effectiveInputOverOutputRatioRC;\n\n        // Compute the coordinators of nearest neighbor point.\n        ivec2 sourceNearestRC = ivec2(\n          min(inputShapeRC - 1.0, floor(sourceFracIndexRC + "+l+")));\n\n        float newValue = getA(b, sourceNearestRC.x, sourceNearestRC.y, d);\n\n        setOutput(newValue);\n      }\n    ";}(t.shape,e,n,r);return this.compileAndRun(i,[t]);},e.prototype.resizeNearestNeighborBackprop=function(t,e,n){var r=new function(t,e,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=e.shape;var r=e.shape,i=r[1],o=r[2],a=t.shape,s=a[1],u=a[2],c=[n&&s>1?i-1:i,n&&u>1?o-1:o],l=[n&&s>1?s-1:s,n&&u>1?u-1:u],f=c[0]/l[0],h=c[1]/l[1],d=1/f,p=1/h,m=2*Math.ceil(d)+2,g=2*Math.ceil(p)+2;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        int r = coords[1];\n        int c = coords[2];\n\n        float accumulator = 0.0;\n\n        const float heightScale = float("+f+");\n        const float widthScale = float("+h+");\n\n        const float invHeightScale = float("+d+");\n        const float invWidthScale = float("+p+");\n\n        const int winHeight = int("+m+");\n        const int winWidth = int("+g+");\n\n        // Compute bounds for where in dy we will look\n        float startRLerp = floor(float(r) * invHeightScale);\n        int startDyR = int(floor(startRLerp - float(winHeight / 2)));\n\n        float startCLerp = floor(float(c) * invWidthScale);\n        int startDyC = int(floor(startCLerp - float(winWidth / 2)));\n\n        // Loop over dy\n        for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {\n          int dyR = dyROffset + startDyR;\n\n          // Guard against the window exceeding the bounds of dy\n          if (dyR < 0 || dyR >= "+s+") {\n            continue;\n          }\n\n          for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {\n            int dyC = dyCOffset + startDyC;\n\n            // Guard against the window exceeding the bounds of dy\n            if (dyC < 0 || dyC >= "+u+") {\n              continue;\n            }\n\n            float sourceFracRow =\n              float("+c[0]+") *\n                (float(dyR) / float("+l[0]+"));\n\n            float sourceFracCol =\n                float("+c[1]+") *\n                  (float(dyC) / float("+l[1]+"));\n\n            int sourceNearestRow = int(min(\n                float(int("+i+") - 1),\n                "+n+" ? float(round(sourceFracRow)) :\n                                  float(floor(sourceFracRow))));\n\n            int sourceNearestCol = int(min(\n                float(int("+o+") - 1),\n                "+n+" ? float(round(sourceFracCol)) :\n                                  float(floor(sourceFracCol))));\n\n            if (r == sourceNearestRow && c == sourceNearestCol) {\n              accumulator += getDy(b, dyR, dyC, d);\n            }\n          }\n        }\n        // End loop over dy\n\n        setOutput(accumulator);\n      }\n    ";}(t,e,n);return this.compileAndRun(r,[t]);},e.prototype.multinomial=function(t,e,n,r){var i=e?t:xi(t),o=i.shape[0],a=i.shape[1],s=new ua(o,a,n),u=s.getCustomSetupFunc(r);return this.compileAndRun(s,[i],"int32",u);},e.prototype.oneHot=function(t,e,n,r){var i=new function(t,e,n,r){this.variableNames=["indices"],this.outputShape=[t,e],this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int index = round(getIndices(coords.x));\n        setOutput(mix(float("+r+"), float("+n+"),\n                      float(index == coords.y)));\n      }\n    ";}(t.size,e,n,r);return this.compileAndRun(i,[t]);},e.prototype.diag=function(t){var e=new function(t){this.variableNames=["X"],this.outputShape=[t,t],this.userCode="\n      void main() {\n          ivec2 coords = getOutputCoords();\n          float val = coords[0] == coords[1] ? getX(coords[0]) : 0.0;\n          setOutput(val);\n      }\n    ";}(t.size);return this.compileAndRun(e,[t]);},e.prototype.nonMaxSuppression=function(t,e,n,r,i){return vn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead"),Yi(t.dataSync(),e.dataSync(),n,r,i);},e.prototype.cropAndResize=function(t,e,n,r,i,o){var a=new function(t,e,n,r,i){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];var o=t[0],a=t[1],s=t[2],u=t[3],c=e[0],l=n[0],f=n[1];this.outputShape=[c,l,f,u];var h="bilinear"===r?1:0,d=[a-1+".0",s-1+".0"],p=d[0],m=d[1],g=l>1?[""+(a-1)/(l-1),"(y2-y1) * height_ratio","y1*"+p+" + float(y)*(height_scale)"]:["0.0","0.0","0.5 * (y1+y2) * "+p],v=g[0],y=g[1],b=g[2],x=f>1?[""+(s-1)/(f-1),"(x2-x1) * width_ratio","x1*"+m+" + float(x)*(width_scale)"]:["0.0","0.0","0.5 * (x1+x2) * "+m],w=x[0],k=x[1],E=x[2];this.userCode="\n      const float height_ratio = float("+v+");\n      const float width_ratio = float("+w+");\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int y = coords[1];\n        int x = coords[2];\n        int d = coords[3];\n\n        // get box vals\n        float y1 = getBoxes(b,0);\n        float x1 = getBoxes(b,1);\n        float y2 = getBoxes(b,2);\n        float x2 = getBoxes(b,3);\n\n        // get image in batch index\n        int bInd = round(getBoxInd(b));\n        if(bInd < 0 || bInd >= "+o+") {\n          return;\n        }\n\n        float height_scale = "+y+";\n        float width_scale = "+k+";\n\n        float in_y = "+b+";\n        if( in_y < 0.0 || in_y > "+p+" ) {\n          setOutput(float("+i+"));\n          return;\n        }\n        float in_x = "+E+";\n        if( in_x < 0.0 || in_x > "+m+" ) {\n          setOutput(float("+i+"));\n          return;\n        }\n\n        vec2 sourceFracIndexCR = vec2(in_x,in_y);\n        if("+h+" == 1) {\n          // Compute the four integer indices.\n          ivec2 sourceFloorCR = ivec2(sourceFracIndexCR);\n          ivec2 sourceCeilCR = ivec2(ceil(sourceFracIndexCR));\n\n          float topLeft = getImage(b, sourceFloorCR.y, sourceFloorCR.x, d);\n          float bottomLeft = getImage(b, sourceCeilCR.y, sourceFloorCR.x, d);\n          float topRight = getImage(b, sourceFloorCR.y, sourceCeilCR.x, d);\n          float bottomRight = getImage(b, sourceCeilCR.y, sourceCeilCR.x, d);\n\n          vec2 fracCR = sourceFracIndexCR - vec2(sourceFloorCR);\n\n          float top = topLeft + (topRight - topLeft) * fracCR.x;\n          float bottom = bottomLeft + (bottomRight - bottomLeft) * fracCR.x;\n          float newValue = top + (bottom - top) * fracCR.y;\n          setOutput(newValue);\n        } else {\n          // Compute the coordinators of nearest neighbor point.\n          ivec2 sourceNearestCR = ivec2(floor(\n            sourceFracIndexCR + vec2(0.5,0.5)));\n          float newValue = getImage(b, sourceNearestCR.y, sourceNearestCR.x, d);\n          setOutput(newValue);\n        }\n      }\n    ";}(t.shape,e.shape,r,i,o);return this.compileAndRun(a,[t,e,n],"float32");},e.prototype.depthToSpace=function(t,e,n){_(e>1,function(){return "blockSize should be > 1 for depthToSpace, but was: "+e;});var r=t.shape[0],i="NHWC"===n?t.shape[1]:t.shape[2],o="NHWC"===n?t.shape[2]:t.shape[3],a="NHWC"===n?t.shape[3]:t.shape[1],s=i*e,u=o*e,c=a/(e*e),l=new Po("NHWC"===n?[r,s,u,c]:[r,c,s,u],e,n);return this.compileAndRun(l,[t]);},e.prototype.split=function(t,e,n){return no(t,e,n);},e.prototype.scatterND=function(t,e,n){var r=ri(0,t,n),i=r.sliceRank,o=r.numUpdates,a=r.sliceSize,s=r.strides,u=r.outputSize,c=[u/a,a],l=t.reshape([o,i]),f=e.reshape([o,a]);if(0===u)return Ui(jn([]),n);var h=Pn(0),d=new fa(o,i,l.rank,f.rank,s,c);return this.compileAndRun(d,[f,l,h]).reshape(n);},e.prototype.sparseToDense=function(t,e,n,r){var i=ri(0,t,n),o=i.sliceRank,a=i.numUpdates,s=i.strides,u=i.outputSize,c=new fa(a,o,t.rank,e.rank,s,[u,1],!1);return this.compileAndRun(c,[e,t,r]).reshape(n);},e.prototype.fft=function(t){return this.fftImpl(t,!1);},e.prototype.ifft=function(t){return this.fftImpl(t,!0);},e.prototype.fftImpl=function(t,e){var n=this.texData.get(t.dataId),r=new Lo("return real * expR - imag * expI;",t.shape,e),i=new Lo("return real * expI + imag * expR;",t.shape,e),o=[this.makeComplexComponentTensorInfo(t,n.complexTensors.real),this.makeComplexComponentTensorInfo(t,n.complexTensors.imag)],a=this.compileAndRun(r,o),s=this.compileAndRun(i,o),u=this.complex(a,s).as2D(t.shape[0],t.shape[1]);return a.dispose(),s.dispose(),u;},e.prototype.gatherND=function(t,e){var n=e.shape,r=n[n.length-1],i=Jr(t,e),o=i[0],a=i[1],s=i[2],u=i[3],c=e.reshape([a,r]),l=t.reshape([t.size/s,s]),f=new function(t,e,n){this.sliceDim=t,this.strides=e,this.variableNames=["x","indices"],this.outputShape=n;var r=xo(e.length),i=xo(n.length),o=this.sliceDim>1?"strides[j]":"strides";this.userCode="\n        "+r+" strides = "+r+"("+this.strides+");\n         void main() {\n          "+i+" coords = getOutputCoords();\n          int flattenIndex = 0;\n          for (int j = 0; j < "+this.sliceDim+"; j++) {\n            int index = round(getIndices(coords[0], j));\n            flattenIndex += index * "+o+";\n      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function(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outputShape=t;var e=t.length,n=so("rc",e),r=xo(e),i=function(t,e){if(1===t)return "rc";for(var n="",r=0;r<t;r++){n+=e[r],r<t-1&&(n+=",");}return n;}(e,n),o=n.slice(-2),a=e<=1?"rc":"vec2("+o.join(",")+")";this.userCode="\n      void main() {\n        "+r+" rc = getOutputCoords();\n        vec4 packedInput = getA("+i+");\n\n        setOutput(getChannel(packedInput, "+a+"));\n      }\n    ";}(t.shape);return this.runWebGLProgram(e,[t],t.dtype);},e.prototype.packTensor=function(t){var e=new function(t){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outputShape=t;var e=t.length;if(0===e)this.userCode="\n        void main() {\n          setOutput(vec4(getA(), 0., 0., 0.));\n        }\n      ";else {var n=so("rc",e),r=xo(e),i=function(t,e,n){if(1===t)return "rc > "+e[0];for(var r="",i=t-2;i<t;i++){r+=n[i]+" >= "+e[i],i<t-1&&(r+="||");}return r;}(e,t,n),o=function(t,e,n,r){if(1===t)return "";var i=r.slice(-2);return "\n    int r = "+i[0]+";\n    int c = "+i[1]+";\n    int rp1 = r + 1;\n    int cp1 = c + 1;\n\n    bool cEdge = cp1 >= "+e+";\n    bool rEdge = rp1 >= "+n+";\n  ";}(e,t[t.length-1],t[t.length-2],n),a=function(t,e){var n=t.length,r=function(t,e){for(var n=[],r=0;r<=1;r++){for(var i=0;i<=1;i++){for(var o=(0===r?"r":"rp1")+", "+(0===i?"c":"cp1"),a=2;a<t;a++){o=e[e.length-1-a]+","+o;}n.push(o);}}return n;}(n,e);return 1===n?"getA(rc),\n            rc + 1 >= "+t[0]+" ? 0. : getA(rc + 1),\n            0, 0":"getA("+r[0]+"),\n          cEdge ? 0. : getA("+r[1]+"),\n          rEdge ? 0. : getA("+r[2]+"),\n          rEdge || cEdge ? 0. : getA("+r[3]+")";}(t,n);this.userCode="\n        void main() {\n          "+r+" rc = getOutputCoords();\n\n          if("+i+") {\n            setOutput(vec4(0));\n          } else {\n            "+o+"\n\n            setOutput(vec4("+a+"));\n          }\n        }\n      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t.constructor.name+"_"+r+"_"+i;}(t,0,d),m=this.getAndSaveBinary(p,function(){return function(t,e,n,r){var i=e.userCode,o=n.map(function(t,n){var r={logicalShape:t.shape,texShape:t.isUniform?null:t.texData.texShape,isUniform:t.isUniform,isPacked:!t.isUniform&&t.texData.isPacked,flatOffset:null};return null!=t.texData&&null!=t.texData.slice&&t.texData.slice.flatOffset>0&&(r.flatOffset=t.texData.slice.flatOffset),{name:e.variableNames[n],shapeInfo:r};}),a=o.map(function(t){return t.shapeInfo;}),s={logicalShape:r.shape,texShape:r.texData.texShape,isUniform:!1,isPacked:r.texData.isPacked,flatOffset:null},u=ho(o,s,i,e.packedInputs),c=t.createProgram(u),l=null,h=t.getUniformLocation(c,"NAN",!1);1===f().getNumber("WEBGL_VERSION")&&(l=t.getUniformLocation(c,"INFINITY",!1));for(var d={},p=0;p<e.variableNames.length;p++){var m=e.variableNames[p];d[m]=t.getUniformLocation(c,m,!1),d["offset"+m]=t.getUniformLocation(c,"offset"+m,!1);}return {program:e,source:u,webGLProgram:c,uniformLocations:d,inShapeInfos:a,outShapeInfo:s,infLoc:l,nanLoc:h};}(o.gpgpu,t,l,d);}),g=null!=this.activeTimers;if(g&&(h=this.startTimer()),function(t,e,n,r,i){aa(e.inShapeInfos,n),aa([e.outShapeInfo],[r]);var o=r.texData.texture,a=r.texData.texShape;r.texData.isPacked?t.setOutputPackedMatrixTexture(o,a[0],a[1]):t.setOutputMatrixTexture(o,a[0],a[1]),t.setProgram(e.webGLProgram),1===f().getNumber("WEBGL_VERSION")&&null!==e.infLoc&&t.gl.uniform1f(e.infLoc,1/0),null!==e.nanLoc&&t.gl.uniform1f(e.nanLoc,NaN),n.forEach(function(n,r){var i=e.program.variableNames[r],o=e.uniformLocations[i],a=e.uniformLocations["offset"+i];if(null!=o)if(n.isUniform){if(T(n.shape)<2)t.gl.uniform1f(o,n.uniformValues[0]);else {var s=n.uniformValues;s instanceof Float32Array||(s=new Float32Array(s)),t.gl.uniform1fv(o,s);}}else null!=n.texData.slice&&null!=a&&t.gl.uniform1i(a,n.texData.slice.flatOffset),t.setInputMatrixTexture(n.texData.texture,o,r);}),null!=i&&i(t,e.webGLProgram),t.executeProgram();}(this.gpgpu,m,l,d,r),c.forEach(function(t){return o.disposeData(t.dataId);}),g&&(h=this.endTimer(h),this.activeTimers.push({name:t.constructor.name,query:this.getQueryTime(h)})),!f().getBool("WEBGL_LAZILY_UNPACK")&&s.isPacked&&!1===i){var v=this.unpackTensor(a);return this.disposeData(a.dataId),v;}return a;},e.prototype.compileAndRun=function(t,e,n,r,i){void 0===i&&(i=!1),n=n||e[0].dtype;var o=this.runWebGLProgram(t,e,n,r,i);return Wt.makeTensorFromDataId(o.dataId,o.shape,o.dtype);},e.prototype.getAndSaveBinary=function(t,e){return t in this.binaryCache||(this.binaryCache[t]=e()),this.binaryCache[t];},e.prototype.getTextureManager=function(){return this.textureManager;},e.prototype.dispose=function(){var t=this;this.disposed||(f().getBool("IS_TEST")||Object.keys(this.binaryCache).forEach(function(e){t.gpgpu.deleteProgram(t.binaryCache[e].webGLProgram),delete t.binaryCache[e];}),this.textureManager.dispose(),null!=this.canvas&&"undefined"!=typeof HTMLCanvasElement&&this.canvas instanceof HTMLCanvasElement?this.canvas.remove():this.canvas=null,this.gpgpuCreatedLocally&&(this.gpgpu.program=null,this.gpgpu.dispose()),this.disposed=!0);},e.prototype.floatPrecision=function(){var t=this;return null==this.floatPrecisionValue&&(this.floatPrecisionValue=rn(function(){if(!f().get("WEBGL_RENDER_FLOAT32_ENABLED")){var e=f().getBool("DEBUG");f().set("DEBUG",!1);var n=t.abs(Pn(1e-8)).dataSync()[0];if(f().set("DEBUG",e),n>0)return 32;}return 16;})),this.floatPrecisionValue;},e.prototype.epsilon=function(){return 32===this.floatPrecision()?1e-7:1e-4;},e.prototype.uploadToGPU=function(t){var e,n=this.texData.get(t),r=n.shape,i=n.dtype,o=n.values,a=n.texture,s=n.usage,u=n.isPacked;if(null==a){var c,l=null!=this.activeTimers;l&&(c=at());var f=n.texShape;if(null==f&&(f=Me(r,u),n.texShape=f),null!=o){var h=Re(r),d=void 0,p=f[1],m=f[0],g=o instanceof Uint8Array;u?(p=(e=te(f[0],f[1]))[0],d=new function(t,e,n){void 0===n&&(n=!1),this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;var r=uo(),i=e[0],o=e[1];this.outputShape=t;var a="",s="result";n&&(s="floor(result * 255. + 0.5)");for(var u=0;u<=1;u++){for(var c=0;c<=1;c++){var l=2*u+c;a+="\n          localCoords = coords;\n          if(localCoords[2] + "+c+" < "+t[2]+") {\n            localCoords[2] += "+c+";\n            if(localCoords[1] + "+u+" < "+t[1]+") {\n              localCoords[1] += "+u+";\n\n              flatIndex = getFlatIndex(localCoords);\n              offset = imod(flatIndex, 4);\n\n              flatIndex = idiv(flatIndex, 4, 1.);\n\n              r = flatIndex / "+o+";\n              c = imod(flatIndex, "+o+");\n              uv = (vec2(c, r) + halfCR) / vec2("+o+".0, "+i+".0);\n              values = "+r.texture2D+"(A, uv);\n\n              if(offset == 0) {\n                result["+l+"] = values[0];\n              } else if(offset == 1) {\n                result["+l+"] = values[1];\n              } else if(offset == 2) {\n                result["+l+"] = values[2];\n              } else {\n                result["+l+"] = values[3];\n              }\n            }\n          }\n        ";}}this.userCode="\n      "+lo(t)+"\n\n      void main() {\n        ivec3 coords = getOutputCoords();\n\n        vec4 result = vec4(0.);\n        int flatIndex, r, c, offset;\n        ivec3 localCoords;\n        vec2 uv;\n        vec4 values;\n\n        "+a+"\n\n        "+r.output+" = "+s+";\n      }\n    ";}(h,[m=e[1],p],g)):d=new function(t,e,n){void 0===n&&(n=!1),this.variableNames=["A"];var r=uo(),i=e[0],o=e[1];this.outputShape=t;var a="result";n&&(a="floor(result * 255. + 0.5)"),this.userCode="\n      "+lo(t)+"\n\n      void main() {\n        ivec3 coords = getOutputCoords();\n\n        int flatIndex = getFlatIndex(coords);\n        int offset = imod(flatIndex, 4);\n\n        flatIndex = idiv(flatIndex, 4, 1.);\n        \n        int r = flatIndex / "+o+";\n        int c = imod(flatIndex, "+o+");\n        vec2 uv = (vec2(c, r) + halfCR) / vec2("+o+".0, "+i+".0);\n        vec4 values = "+r.texture2D+"(A, uv);\n\n        float result;\n\n        if(offset == 0) {\n          result = values[0];\n        } else if(offset == 1) {\n          result = values[1];\n        } else if(offset == 2) {\n          result = values[2];\n        } else {\n          result = values[3];\n        }\n\n        "+r.output+" = vec4("+a+", 0., 0., 0.);\n      }\n    ";}(h,[m,p],g);var v=this.makeTensorInfo([m,p],i);this.texData.get(v.dataId).usage=g?Ht.PIXELS:Ht.UPLOAD,this.gpgpu.uploadDenseMatrixToTexture(this.getTexture(v.dataId),p,m,o);var 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a,s,u=xn(t,"x","batchNorm"),c=xn(e,"mean","batchNorm"),l=xn(n,"variance","batchNorm");return null!=i&&(a=xn(i,"scale","batchNorm")),null!=r&&(s=xn(r,"offset","batchNorm")),_(3===u.rank,function(){return "Error in batchNorm3D: x must be rank 3 but got rank "+u.rank+".";}),_(3===c.rank||1===c.rank,function(){return "Error in batchNorm3D: mean must be rank 3 or rank 1 but got rank "+c.rank+".";}),_(3===l.rank||1===l.rank,function(){return "Error in batchNorm3D: variance must be rank 3 or rank 1 but got rank "+l.rank+".";}),null!=a&&_(3===a.rank||1===a.rank,function(){return "Error in batchNorm3D: scale must be rank 3 or rank 1 but got rank "+a.rank+".";}),null!=s&&_(3===s.rank||1===s.rank,function(){return "Error in batchNorm3D: offset must be rank 3 or rank 1 but got rank "+s.rank+".";}),Ss(u,c,l,s,a,o);}function _s(t,e,n,r,i,o){var a,s,u=xn(t,"x","batchNorm"),c=xn(e,"mean","batchNorm"),l=xn(n,"variance","batchNorm");return null!=i&&(a=xn(i,"scale","batchNorm")),null!=r&&(s=xn(r,"offset","batchNorm")),_(4===u.rank,function(){return "Error in batchNorm4D: x must be rank 4 but got rank "+u.rank+".";}),_(4===c.rank||1===c.rank,function(){return "Error in batchNorm4D: mean must be rank 4 or rank 1 but got rank "+c.rank+".";}),_(4===l.rank||1===l.rank,function(){return "Error in batchNorm4D: variance must be rank 4 or rank 1 but got rank "+l.rank+".";}),null!=a&&_(4===a.rank||1===a.rank,function(){return "Error in batchNorm4D: scale must be rank 4 or rank 1 but got rank "+a.rank+".";}),null!=s&&_(4===s.rank||1===s.rank,function(){return "Error in batchNorm4D: offset must be rank 4 or rank 1 but got rank "+s.rank+".";}),Ss(u,c,l,s,a,o);}function Ss(t,e,n,r,i,o){null==o&&(o=.001);var a,s,u,c=xn(t,"x","batchNorm"),l=xn(e,"mean","batchNorm"),f=xn(n,"variance","batchNorm");null!=i&&(a=xn(i,"scale","batchNorm")),null!=r&&(s=xn(r,"offset","batchNorm")),_(l.rank===f.rank,function(){return "Batch normalization gradient 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n=Zs(e,Qn(e)),r=Ou(t,n),i=mu(e,Pn(0,"int32")),o=r.rank-i.rank,a=0;a<o;++a){i=Ar(i,a+1);}i=Ls(i,Hn(r.shape,"bool"));var s=Qn(r);return Vs(i,r,s);}(t,n);}};});}}),Su=function Su(t,e,n){return u(this,void 0,void 0,function(){var r,i,o,a,s,u,l,f,h,d,p,m,g;return c(this,function(c){switch(c.label){case 0:for(r=xn(t,"tensor","boolMask"),i=xn(e,"mask","boolMask","bool"),o=null==n?0:n,a=i.rank,s=r.shape,_(a>0,function(){return "mask cannot be scalar";}),S(s.slice(o,o+a),i.shape,"mask's shape must match the first K dimensions of tensor's shape,"),u=1,l=o;l<o+a;l++){u*=s[l];}return f=s.slice(0,o).concat([u],s.slice(o+a)),h=r.reshape(f),d=i.reshape([-1]),[4,qs(d)];case 1:return p=c.sent(),m=p.squeeze([1]),g=Ou(h,m,o),t!==r&&r.dispose(),e!==i&&i.dispose(),m.dispose(),h.dispose(),d.dispose(),p.dispose(),[2,g];}});});};function Du(t,e,n,r,i,o,a){void 0===o&&(o="NHWC"),_(t.length===e.rank,function(){return "Length of inShape ("+t.length+") and rank of dy ("+e.rank+") must match";});var s=t,u=e,c=!1;3===e.rank&&(c=!0,u=e.as4D(1,e.shape[0],e.shape[1],e.shape[2]),s=[1,t[0],t[1],t[2]]),_(4===s.length,function(){return "Error in conv2dDerInput: inShape must be length 4, but got length "+s.length+".";}),_(4===u.rank,function(){return "Error in conv2dDerInput: dy must be rank 4, but got rank "+u.rank;}),_(4===n.rank,function(){return "Error in conv2dDerInput: filter must be rank 4, but got rank "+n.rank;});var l="NHWC"===o?s[3]:s[1],f="NHWC"===o?u.shape[3]:u.shape[1];_(l===n.shape[2],function(){return "Error in conv2dDerInput: depth of input ("+l+") must match input depth for filter "+n.shape[2]+".";}),_(f===n.shape[3],function(){return "Error in conv2dDerInput: depth of output ("+f+") must match output depth for filter "+n.shape[3]+".";}),null!=a&&_(I(i),function(){return "Error in conv2dDerInput: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+i+".";});var h=Li(o),d=Fi(s,n.shape,r,1,i,a,!1,h),p=Wt.runKernelFunc(function(t,e){var 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got rank "+n.rank;}),_(u===n.shape[3],function(){return "Error in conv3dDerInput: depth of input ("+u+") must match input depth for filter "+n.shape[3]+".";}),_(c===n.shape[4],function(){return "Error in conv3dDerInput: depth of output ("+c+") must match output depth for filter "+n.shape[4]+".";});var l=Ti(o,n.shape,r,1,i),f=Wt.runKernelFunc(function(t){return t.conv3dDerInput(a,n,l);},{dy5D:a});return s?f.as4D(f.shape[1],f.shape[2],f.shape[3],f.shape[4]):f;}var Nu=Nn({conv1d_:function conv1d_(t,e,n,r,i,o,a){void 0===i&&(i="NWC"),void 0===o&&(o=1);var s=xn(t,"x","conv1d"),u=xn(e,"filter","conv1d"),c=s,l=!1;2===s.rank&&(l=!0,c=s.as3D(1,s.shape[0],s.shape[1])),_(3===c.rank,function(){return "Error in conv1d: input must be rank 3, but got rank "+c.rank+".";}),_(3===u.rank,function(){return "Error in conv1d: filter must be rank 3, but got rank "+u.rank+".";}),null!=a&&_(I(r),function(){return "Error in conv1d: pad must be an integer when using, dimRoundingMode "+a+" but got pad 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Got stride "+n+" and dilation '"+o+"'";}),_("NWC"===i,function(){return "Error in conv1d: got dataFormat of "+i+" but only NWC is currently supported.";});var f=u.as4D(1,u.shape[0],u.shape[1],u.shape[2]),h=c.as4D(c.shape[0],1,c.shape[1],c.shape[2]),d=Iu(h,f,[1,n],r,"NHWC",[1,o],a);return l?d.as2D(d.shape[2],d.shape[3]):d.as3D(d.shape[0],d.shape[2],d.shape[3]);}}),Iu=Nn({conv2d_:function conv2d_(t,e,n,r,i,o,a){void 0===i&&(i="NHWC"),void 0===o&&(o=[1,1]);var s=xn(t,"x","conv2d"),u=xn(e,"filter","conv2d"),c=s,l=!1;3===s.rank&&(l=!0,c=s.as4D(1,s.shape[0],s.shape[1],s.shape[2])),_(4===c.rank,function(){return "Error in conv2d: input must be rank 4, but got rank "+c.rank+".";}),_(4===u.rank,function(){return "Error in conv2d: filter must be rank 4, but got rank "+u.rank+".";}),null!=a&&_(I(r),function(){return "Error in conv2d: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+r+".";});var f="NHWC"===i?c.shape[3]:c.shape[1];_(f===u.shape[2],function(){return "Error in conv2d: depth of input ("+f+") must match input depth for filter "+u.shape[2]+".";}),_(Pi(n,o),function(){return "Error in conv2D: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+o+"'";});var h=Li(i),d=Fi(c.shape,u.shape,n,o,r,a,!1,h),p=[u,c],m=Wt.runKernelFunc(function(t,e){var n=t.conv2d(c,u,d);return e([u,c]),n;},{x:c,filter:u},function(t,e){var a=e,s=a[0],u=a[1];return _(Bi(o),function(){return "Error in gradient of conv2D: dilation rates greater than 1 are not yet supported in gradients. Got dilations '"+o+"'";}),{x:function x(){return ju(u.shape,t,s,n,r,i);},filter:function filter(){return Mu(u,t,s.shape,n,r,i);}};},"Conv2D",d,p);return l?m.as3D(m.shape[1],m.shape[2],m.shape[3]):m;}}),Ru=Nn({conv3d_:function conv3d_(t,e,n,r,i,o){void 0===i&&(i="NDHWC"),void 0===o&&(o=[1,1,1]);var a=xn(t,"x","conv3d"),s=xn(e,"filter","conv3d"),u=a,c=!1;4===a.rank&&(c=!0,u=a.as5D(1,a.shape[0],a.shape[1],a.shape[2],a.shape[3])),_(5===u.rank,function(){return "Error in conv3d: input must be rank 5, but got rank "+u.rank+".";}),_(5===s.rank,function(){return "Error in conv3d: filter must be rank 5, but got rank "+s.rank+".";}),_(u.shape[4]===s.shape[3],function(){return "Error in conv3d: depth of input ("+u.shape[4]+") must match input depth for filter "+s.shape[3]+".";}),_(function(t,e){return Fu(n)||Fu(e);}(0,o),function(){return "Error in conv3D: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+o+"'";}),_("NDHWC"===i,function(){return "Error in conv3d: got dataFormat of "+i+" but only NDHWC is currently supported.";});var l=Ti(u.shape,s.shape,n,o,r),f=Wt.runKernelFunc(function(t,e){var n=t.conv3d(u,s,l);return e([u,s]),n;},{x:u,$filter:s},function(t,e){_(Fu(o),function(){return "Error in gradient of conv3D: dilation rates greater than 1 are not yet supported in gradients. Got dilations '"+o+"'";});var i=e[0],a=e[1];return {x:function x(){return Tu(i.shape,t,a,n,r);},$filter:function $filter(){return function(t,e,n,r,i){var o=t;4===t.rank&&(o=t.as5D(1,t.shape[0],t.shape[1],t.shape[2],t.shape[3]));var a=e;4===a.rank&&(a=e.as5D(1,e.shape[0],e.shape[1],e.shape[2],e.shape[3])),_(5===o.rank,function(){return "Error in conv3dDerFilter: input must be rank 5, but got shape "+o.shape+".";}),_(5===a.rank,function(){return "Error in conv3dDerFilter: dy must be rank 5, but got shape "+a.shape+".";}),_(5===n.length,function(){return "Error in conv3dDerFilter: filterShape must be length 5, but got "+n+".";}),_(o.shape[4]===n[3],function(){return "Error in conv3dDerFilter: depth of input "+o.shape[4]+") must match input depth in filter ("+n[3]+".";}),_(a.shape[4]===n[4],function(){return "Error in conv3dDerFilter: depth of dy ("+a.shape[4]+") must match output depth for filter ("+n[4]+").";});var s=Ti(o.shape,n,r,1,i);return Wt.runKernelFunc(function(t){return t.conv3dDerFilter(o,a,s);},{x5D:o,dy5D:a});}(i,t,a.shape,n,r);}};});return c?f.as4D(f.shape[1],f.shape[2],f.shape[3],f.shape[4]):f;}}),Mu=Nn({conv2dDerFilter_:function conv2dDerFilter_(t,e,n,r,i,o,a){void 0===o&&(o="NHWC");var s=t;3===t.rank&&(s=t.as4D(1,t.shape[0],t.shape[1],t.shape[2]));var u=e;3===u.rank&&(u=e.as4D(1,e.shape[0],e.shape[1],e.shape[2])),_(4===s.rank,function(){return "Error in conv2dDerFilter: input must be rank 4, but got shape "+s.shape+".";}),_(4===u.rank,function(){return "Error in conv2dDerFilter: dy must be rank 4, but got shape "+u.shape+".";}),_(4===n.length,function(){return "Error in conv2dDerFilter: filterShape must be length 4, but got "+n+".";});var c="NHWC"===o?s.shape[3]:s.shape[1],l="NHWC"===o?u.shape[3]:u.shape[1];_(c===n[2],function(){return "Error in conv2dDerFilter: depth of input "+c+") must match input depth in filter ("+n[2]+".";}),_(l===n[3],function(){return "Error in conv2dDerFilter: depth of dy ("+l+") must match output depth for filter ("+n[3]+").";}),null!=a&&_(I(i),function(){return "Error in conv2dDerFilter: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+i+".";});var f=Li(o),h=Fi(s.shape,n,r,1,i,a,!1,f);return Wt.runKernelFunc(function(t){return t.conv2dDerFilter(s,u,h);},{x4D:s,dy4D:u});}}),ju=Nn({conv2dDerInput_:Du}),Bu=Nn({depthwiseConv2d_:function depthwiseConv2d_(t,e,n,r,i,o,a){void 0===o&&(o=[1,1]);var s=xn(t,"x","depthwiseConv2d"),u=xn(e,"filter","depthwiseConv2d"),c=s,l=!1;3===s.rank&&(l=!0,c=s.as4D(1,s.shape[0],s.shape[1],s.shape[2])),_(4===c.rank,function(){return "Error in depthwiseConv2d: input must be rank 4, but got rank "+c.rank+".";}),_(4===u.rank,function(){return "Error in depthwiseConv2d: filter must be rank 4, but got rank "+u.rank+".";}),_(c.shape[3]===u.shape[2],function(){return "Error in depthwiseConv2d: number of input channels ("+c.shape[3]+") must match the inChannels dimension in filter "+u.shape[2]+".";}),null==o&&(o=[1,1]),_(Pi(n,o),function(){return "Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+o+"'";}),null!=a&&_(I(r),function(){return "Error in depthwiseConv2d: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+r+".";});var f=Fi(c.shape,u.shape,n,o,r,a,!0),h=[c,u],d=Wt.runKernelFunc(function(t,e){var n=t.depthwiseConv2D(c,u,f);return e([c,u]),n;},{x:c,filter:u},function(t,e){_(Bi(o),function(){return "Error in gradient of depthwiseConv2d: dilation rates greater than 1 are not yet supported. Got dilations '"+o+"'";});var n=e[0],r=e[1];return {x:function x(){return Pu(n.shape,t,r,f);},filter:function filter(){return Lu(n,t,r.shape,f);}};},"DepthwiseConv2dNative",f,h);return l?d.as3D(d.shape[1],d.shape[2],d.shape[3]):d;}}),Pu=Nn({depthwiseConv2dDerInput_:function depthwiseConv2dDerInput_(t,e,n,r){var i=e,o=!1;3===e.rank&&(o=!0,i=e.as4D(1,e.shape[0],e.shape[1],e.shape[2]));var a=Wt.runKernelFunc(function(t){return t.depthwiseConv2DDerInput(i,n,r);},{dy4D:i});return o?a.as3D(a.shape[1],a.shape[2],a.shape[3]):a;}}),Lu=Nn({depthwiseConv2dDerFilter_:function depthwiseConv2dDerFilter_(t,e,n,r){var i=t;3===t.rank&&(i=t.as4D(1,t.shape[0],t.shape[1],t.shape[2]));var o=e;return 3===o.rank&&(o=e.as4D(1,e.shape[0],e.shape[1],e.shape[2])),Wt.runKernelFunc(function(t){return t.depthwiseConv2DDerFilter(i,o,r);},{x4D:i,dy4D:o});}}),zu=Nn({separableConv2d_:function separableConv2d_(t,e,n,r,i,o,a){void 0===o&&(o=[1,1]),void 0===a&&(a="NHWC");var s=xn(t,"x","separableConv2d"),u=xn(e,"depthwiseFilter","separableConv2d"),c=xn(n,"pointwiseFilter","separableConv2d"),l=s,f=!1;if(3===s.rank&&(f=!0,l=s.as4D(1,s.shape[0],s.shape[1],s.shape[2])),"NCHW"===a)throw new Error("separableConv2d currently does not support dataFormat NCHW; only NHWC is supported");_(4===l.rank,function(){return "Error in separableConv2d: input must be rank 4, but got rank "+l.rank+".";}),_(4===u.rank,function(){return "Error in separableConv2d: depthwise filter must be rank 4, but got rank "+u.rank+".";}),_(4===c.rank,function(){return "Error in separableConv2d: pointwise filter must be rank 4, but got rank "+u.rank+".";}),_(1===c.shape[0],function(){return "Error in separableConv2d: the first dimension of pointwise filter  must be 1, but got "+c.shape[0]+".";}),_(1===c.shape[1],function(){return "Error in separableConv2d: the second dimension of pointwise filter must be 1, but got "+c.shape[1]+".";});var h=u.shape[2],d=u.shape[3];_(c.shape[2]===h*d,function(){return "Error in separableConv2d: the third dimension of pointwise filter must be "+h*d+", but got "+c.shape[2]+".";});var p=Bu(l,u,r,i,a,o),m=Iu(p,c,1,"valid",a);return f?m.as3D(m.shape[1],m.shape[2],m.shape[3]):m;}}),Uu=Nn({conv2dTranspose_:function conv2dTranspose_(t,e,n,r,i,o){return Du(n,xn(t,"x","conv2dTranspose"),xn(e,"filter","conv2dTranspose"),r,i,"NHWC",o);}}),Wu=Nn({conv3dTranspose_:function conv3dTranspose_(t,e,n,r,i){return Tu(n,xn(t,"x","conv3dTranspose"),xn(e,"filter","conv3dTranspose"),r,i);}}),Vu=Nn({matMul_:function matMul_(t,e,n,r){var i;void 0===n&&(n=!1),void 0===r&&(r=!1);var o=xn(t,"a","matMul"),a=xn(e,"b","matMul");i=Mt(o,a),o=i[0],a=i[1];var s=n?o.shape[o.rank-2]:o.shape[o.rank-1],u=r?a.shape[a.rank-1]:a.shape[a.rank-2],c=n?o.shape[o.rank-1]:o.shape[o.rank-2],l=r?a.shape[a.rank-2]:a.shape[a.rank-1],f=o.shape.slice(0,-2),h=a.shape.slice(0,-2),d=T(f),p=T(h);_(o.rank>=2&&a.rank>=2&&o.rank===a.rank,function(){return "Error in matMul: inputs must have the same rank of at least 2, got ranks "+o.rank+" and "+a.rank+".";}),_(N(f,h),function(){return "Error in matMul: outer dimensions ("+f+") and ("+h+") of Tensors with shapes "+o.shape+" and "+a.shape+" must match.";}),_(s===u,function(){return "Error in matMul: inner shapes ("+s+") and ("+u+") of Tensors with shapes "+o.shape+" and "+a.shape+" and transposeA="+n+" and transposeB="+r+" must match.";});var m=o.shape.slice(0,-2).concat([c,l]),g=n?o.as3D(d,s,c):o.as3D(d,c,s),v=r?a.as3D(p,l,u):a.as3D(p,u,l),y={transposeA:n,transposeB:r};return Wt.runKernelFunc(function(t,e){var i=t.batchMatMul(g,v,n,r);return e([g,v]),i;},{a:g,b:v},function(t,e){var i=e,o=i[0],_a6=i[1];return n||r?!n&&r?{a:function a(){return t.matMul(_a6,!1,!1);},b:function b(){return t.matMul(o,!0,!1);}}:n&&!r?{a:function a(){return _a6.matMul(t,!1,!0);},b:function b(){return o.matMul(t,!1,!1);}}:{a:function a(){return _a6.matMul(t,!0,!0);},b:function b(){return t.matMul(o,!0,!0);}}:{a:function a(){return t.matMul(_a6,!1,!0);},b:function b(){return o.matMul(t,!0,!1);}};},"BatchMatMul",y).reshape(m);}}),qu=Nn({dot_:function dot_(t,e){var n=xn(t,"t1","dot"),r=xn(e,"t2","dot");_(!(1!==n.rank&&2!==n.rank||1!==r.rank&&2!==r.rank),function(){return "Error in dot: inputs must all be rank 1 or 2, but got ranks "+n.rank+" and "+r.rank+".";});var i=1===n.rank?n.size:n.shape[1],o=1===r.rank?r.size:r.shape[0];return _(i===o,function(){return "Error in dot: inner dimensions of inputs must match, but got "+i+" and "+o+".";}),1===n.rank&&1===r.rank?n.as2D(1,-1).matMul(r.as2D(-1,1)).asScalar():1===n.rank&&2===r.rank?n.as2D(1,-1).matMul(r.as2D(r.shape[0],r.shape[1])).as1D():2===n.rank&&1===r.rank?n.matMul(r.as2D(-1,1)).as1D():n.matMul(r.as2D(r.shape[0],r.shape[1]));}}),$u=Nn({outerProduct_:function outerProduct_(t,e){var n=xn(t,"v1","outerProduct"),r=xn(e,"v2","outerProduct");return _(1===n.rank&&1===r.rank,function(){return "Error in outerProduct: inputs must be rank 1, but got ranks "+n.rank+" and "+r.rank+".";}),n.as2D(-1,1).matMul(r.as2D(1,-1));}}),Hu=Nn({reverse_:function reverse_(t,e){var n=xn(t,"x","reverse");if(0===n.rank)return n.clone();var r=L(e,n.shape);return Wt.runKernelFunc(function(t){return t.reverse(n,r);},{$x:n},function(t){return {$x:function $x(){return t.reverse(r);}};}).reshapeAs(n);}}),Gu=Nn({reverse1d_:function reverse1d_(t){var e=xn(t,"x","reverse");return _(1===e.rank,function(){return "Error in reverse1D: x must be rank 1 but got rank "+e.rank+".";}),Hu(e,0);}}),Ku=Nn({reverse2d_:function reverse2d_(t,e){var n=xn(t,"x","reverse");return _(2===n.rank,function(){return "Error in reverse2D: x must be rank 2 but got rank "+n.rank+".";}),Hu(n,e);}}),Xu=Nn({reverse3d_:function reverse3d_(t,e){var n=xn(t,"x","reverse");return _(3===n.rank,function(){return "Error in reverse3D: x must be rank 3 but got rank "+n.rank+".";}),Hu(n,e);}}),Yu=Nn({reverse4d_:function reverse4d_(t,e){var n=xn(t,"x","reverse");return _(4===n.rank,function(){return "Error in reverse4D: x must be rank 4 but got rank "+n.rank+".";}),Hu(n,e);}});function Ju(t,e,n,r,i,o){var a=xn(t,"x","maxPool"),s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),null==r&&(r=[1,1]),_(4===s.rank,function(){return "Error in maxPool: input must be rank 4 but got rank "+s.rank+".";}),_(Pi(n,r),function(){return "Error in maxPool: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+r+"'";}),null!=o&&_(I(i),function(){return "Error in maxPool: pad must be an integer when using, dimRoundingMode "+o+" but got pad "+i+".";});var c=Si(s.shape,e,n,r,i,o);if(1===c.filterWidth&&1===c.filterHeight&&N(c.inShape,c.outShape))return a.clone();var l=[s],f=Wt.runKernelFunc(function(t,e){var n=t.maxPool(s,c);return e([s,n]),n;},{x:s},function(t,o){var a=o[0],s=o[1];return {x:function x(){return function(t,e,n,r,i,o,a,s){var u=xn(t,"dy","maxPoolBackprop"),c=xn(e,"input","maxPoolBackprop"),l=xn(n,"output","maxPoolBackprop");_(c.rank===u.rank,function(){return "Rank of input ("+c.rank+") does not match rank of dy ("+u.rank+")";}),null==o&&(o=[1,1]),_(Pi(i,o),function(){return "Error in maxPoolBackProp: Either strides or dilations must be 1. Got strides "+i+" and dilations '"+o+"'";}),_(4===u.rank,function(){return "Error in maxPoolBackprop: dy must be rank 4 but got rank "+u.rank+".";}),_(4===c.rank,function(){return "Error in maxPoolBackprop: input must be rank 4 but got rank "+c.rank+".";});var f=Si(c.shape,r,i,o,a,s);return Wt.runKernelFunc(function(t){return t.maxPoolBackprop(u,c,l,f);},{$dy:u,$input:c});}(t,a,s,e,n,r,i);}};},"MaxPool",c,l);return u?f.as3D(f.shape[1],f.shape[2],f.shape[3]):f;}function Qu(t,e,n,r,i,o){var a=xn(t,"x","avgPool","float32");null==r&&(r=[1,1]),_(Pi(n,r),function(){return "Error in avgPool: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+r+"'";});var s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(4===s.rank,function(){return "Error in avgPool: x must be rank 4 but got rank "+s.rank+".";}),null!=o&&_(I(i),function(){return "Error in avgPool: pad must be an integer when using, dimRoundingMode "+o+" but got pad "+i+".";});var c=Si(s.shape,e,n,r,i,o);if(1===c.filterWidth&&1===c.filterHeight&&N(c.inShape,c.outShape))return a.clone();var l=Wt.runKernelFunc(function(t){return t.avgPool(s,c);},{x:s},function(t){return {x:function x(){return function(t,e,n,r,i,o){var a=xn(t,"dy","avgPoolBackprop"),s=xn(e,"input","avgPoolBackprop");_(s.rank===a.rank,function(){return "Rank of input ("+s.rank+") does not match rank of dy ("+a.rank+")";}),null==i&&(i=[1,1]),_(Pi(r,i),function(){return "Error in avgPoolBackprop: Either strides or dilations must be 1. Got strides "+r+" and dilations '"+i+"'";});var u=s,c=a,l=!1;3===s.rank&&(l=!0,u=s.as4D(1,s.shape[0],s.shape[1],s.shape[2]),c=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(4===c.rank,function(){return "Error in avgPoolBackprop: dy must be rank 4 but got rank "+c.rank+".";}),_(4===u.rank,function(){return "Error in avgPoolBackprop: input must be rank 4 but got rank "+u.rank+".";});var f=Si(u.shape,n,r,i,o),h=Wt.runKernelFunc(function(t){return t.avgPoolBackprop(c,u,f);},{dy4D:c,input4D:u});return l?h.as3D(h.shape[1],h.shape[2],h.shape[3]):h;}(t,s,e,n,r,i);}};},"AvgPool",c);return l=l.cast(a.dtype),u?l.as3D(l.shape[1],l.shape[2],l.shape[3]):l;}var Zu=Nn({maxPool_:function maxPool_(t,e,n,r,i){return Ju(t,e,n,1,r,i);}}),tc=Nn({avgPool_:function avgPool_(t,e,n,r,i){return Qu(t,e,n,1,r,i);}}),ec=Nn({pool_:function pool_(t,e,n,r,i,o){null==i&&(i=[1,1]),null==o&&(o=1),0===r&&(r="valid");var a=xn(t,"x","maxPool"),s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(Pi(o,i),function(){return "Error in pool: Either strides or dilations must be 1. Got strides "+o+" and dilations '"+i+"'";});var c,l=Si(s.shape,e,o,i,r),f=[l.dilationHeight,l.dilationWidth];c="same"===r?function(t,e){var n=t.map(function(t,n){return t+(t-1)*(e[n]-1);}).map(function(t){return t-1;}),r=n.map(function(t){return Math.floor(t/2);}),i=n.map(function(t,e){return t-r[e];});return n.map(function(t,e){return [r[e],i[e]];});}([l.filterHeight,l.filterWidth],f):[[0,0],[0,0]];var h=1===f[0]&&1===f[1],d=function(t,e,n){var r=n.map(function(t){return t[0];}),i=n.map(function(t){return t[1];}),o=t.concat(r,i),a=e.map(function(t,e){return (t-o[e]%t)%t;}),s=i.map(function(t,e){return t+a[e];});return [e.map(function(t,e){return [r[e],s[e]];}),e.map(function(t,e){return [0,a[e]];})];}([l.inHeight,l.inWidth],f,c),p=d[0],m=d[1],g=h?r:"valid",v=h?s:Lr(s,f,p),y=("avg"===n?function(){return Qu(v,e,o,1,g);}:function(){return Ju(v,e,o,1,g);})(),b=h?y:br(y,f,m);return u?b.as3D(b.shape[1],b.shape[2],b.shape[3]):b;}}),nc=Nn({maxPool3d_:function maxPool3d_(t,e,n,r,i,o,a){void 0===o&&(o="NDHWC");var s=xn(t,"x","maxPool3d"),u=s,c=!1;4===s.rank&&(c=!0,u=s.as5D(1,s.shape[0],s.shape[1],s.shape[2],s.shape[3])),null==a&&(a=[1,1,1]),_(5===u.rank,function(){return "Error in maxPool3d: x must be rank 5 but got rank "+u.rank+".";}),_("NDHWC"===o,function(){return "Error in maxPool3d: Only NDHWC is currently supported, but got dataFormat of "+o;}),_(Pi(n,a),function(){return "Error in maxPool3d: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+a+"'";}),null!=i&&_(I(r),function(){return "Error in maxPool3d: pad must be an integer when using, dimRoundingMode "+i+" but got pad "+r+".";});var l=Di(u.shape,e,n,a,r,i,o),f=Wt.runKernelFunc(function(t,e){var n=t.maxPool3d(u,l);return e([u,n]),n;},{x:u},function(t,o){var s=o[0],u=o[1];return {x:function x(){return function(t,e,n,r,i,o,a,s){var u=xn(t,"dy","maxPool3dBackprop"),c=xn(e,"input","maxPool3dBackprop"),l=xn(n,"output","maxPool3dBackprop"),f=u,h=c,d=l,p=!1;4===c.rank&&(p=!0,f=u.as5D(1,u.shape[0],u.shape[1],u.shape[2],u.shape[3]),h=c.as5D(1,c.shape[0],c.shape[1],c.shape[2],c.shape[3]),d=l.as5D(1,l.shape[0],l.shape[1],l.shape[2],l.shape[3])),_(5===f.rank,function(){return "Error in maxPool3dBackprop: dy must be rank 5 but got rank "+f.rank+".";}),_(5===h.rank,function(){return "Error in maxPool3dBackprop: input must be rank 5 but got rank "+h.rank+".";}),_(5===d.rank,function(){return "Error in maxPool3dBackprop: output must be rank 5 but got rank "+d.rank+".";}),null==o&&(o=[1,1,1]),_(Pi(i,o),function(){return "Error in maxPool3dBackprop: Either strides or dilations must be 1. 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i=xn(t,"labels","hingeLoss"),o=xn(e,"predictions","hingeLoss"),a=null;null!=n&&(a=xn(n,"weights","hingeLoss")),S(i.shape,o.shape,"Error in hingeLoss: ");var s=Pn(1);i=Pn(2).mul(i).sub(s);var u=s.sub(i.mul(o)).relu();return tl(u,a,r);}}),rl=Nn({huberLoss_:function huberLoss_(t,e,n,r,i){void 0===r&&(r=1),void 0===i&&(i=Hc.SUM_BY_NONZERO_WEIGHTS);var o=xn(t,"labels","huberLoss"),a=xn(e,"predictions","huberLoss"),s=null;null!=n&&(s=xn(n,"weights","huberLoss")),S(o.shape,a.shape,"Error in huberLoss: ");var u=Pn(r),c=a.sub(o).abs(),l=eu(c,u),f=c.sub(l),h=Pn(.5).mul(l.square()).add(u.mul(f));return tl(h,s,i);}}),il=Nn({logLoss_:function logLoss_(t,e,n,r,i){void 0===r&&(r=1e-7),void 0===i&&(i=Hc.SUM_BY_NONZERO_WEIGHTS);var o=xn(t,"labels","logLoss"),a=xn(e,"predictions","logLoss"),s=null;null!=n&&(s=xn(n,"weights","logLoss")),S(o.shape,a.shape,"Error in logLoss: ");var u=Pn(1),c=Pn(r),l=o.mul(a.add(c).log()).neg().sub(u.sub(o).mul(u.sub(a).add(c).log()));return tl(l,s,i);}}),ol=Nn({meanSquaredError_:function meanSquaredError_(t,e,n,r){void 0===r&&(r=Hc.SUM_BY_NONZERO_WEIGHTS);var i=xn(t,"labels","meanSquaredError"),o=xn(e,"predictions","meanSquaredError"),a=null;null!=n&&(a=xn(n,"weights","meanSquaredError")),S(i.shape,o.shape,"Error in meanSquaredError: ");var s=i.squaredDifference(o);return tl(s,a,r);}}),al=Nn({sigmoidCrossEntropy_:function sigmoidCrossEntropy_(t,e,n,r,i){void 0===r&&(r=0),void 0===i&&(i=Hc.SUM_BY_NONZERO_WEIGHTS);var o=xn(t,"multiClassLabels","sigmoidCrossEntropy"),a=xn(e,"logits","sigmoidCrossEntropy"),s=null;if(null!=n&&(s=xn(n,"weights","sigmoidCrossEntropy")),S(o.shape,a.shape,"Error in sigmoidCrossEntropy: "),r>0){var u=Pn(r),c=Pn(1),l=Pn(.5);o=o.mul(c.sub(u)).add(l.mul(u));}var f=function(t,e){var n=xn(t,"labels","sigmoidCrossEntropyWithLogits"),r=xn(e,"logits","sigmoidCrossEntropyWithLogits");S(n.shape,r.shape,"Error in sigmoidCrossEntropyWithLogits: ");var i=r.relu(),o=r.mul(n),a=r.abs().neg().exp().log1p();return i.sub(o).add(a);}(o,a);return tl(f,s,i);}}),sl=Nn({softmaxCrossEntropy_:function softmaxCrossEntropy_(t,e,n,r,i){void 0===r&&(r=0),void 0===i&&(i=Hc.SUM_BY_NONZERO_WEIGHTS);var o=xn(t,"onehotLabels","softmaxCrossEntropy"),a=xn(e,"logits","softmaxCrossEntropy"),s=null;if(null!=n&&(s=xn(n,"weights","softmaxCrossEntropy")),S(o.shape,a.shape,"Error in softmaxCrossEntropy: "),r>0){var u=Pn(r),c=Pn(1),l=Pn(o.shape[1]);o=o.mul(c.sub(u)).add(u.div(l));}var f=function(t,e,n){if(void 0===n&&(n=-1),-1===n&&(n=e.rank-1),n!==e.rank-1)throw Error("Softmax cross entropy along a non-last dimension is not yet supported. Labels / logits was rank "+e.rank+" and dim was "+n);return yi(function(t,e,r){var i=e.logSumExp([n],!0),o=e.toFloat().sub(i);return r([t,o]),{value:o.mul(t).neg().sum([n]),gradFunc:function gradFunc(t,e){var r=e[0],i=e[1],o=An(t.shape,[n]);return [t.reshape(o).mul(r.toFloat().sub(i.exp())),t.reshape(o).mul(i.exp().sub(r.toFloat()))];}};})(t,e);}(o,a);return tl(f,s,i);}}),ul=Object.freeze({get Reduction(){return Hc;},absoluteDifference:Zc,computeWeightedLoss:tl,cosineDistance:el,hingeLoss:nl,huberLoss:rl,logLoss:il,meanSquaredError:ol,sigmoidCrossEntropy:al,softmaxCrossEntropy:sl});function cl(t,e){return void 0===e&&(e=!1),Wt.tidy(function(){if(2!==t.shape.length)throw new Error("qr2d() requires a 2D Tensor, but got a "+t.shape.length+"D Tensor.");for(var n=t.shape[0],r=t.shape[1],i=Or(n),o=t.clone(),a=zn([[1]],[1,1]),s=a.clone(),u=n>=r?r:n,c=function c(t){var e,u=o,c=s,l=i;e=Wt.tidy(function(){var e=o.slice([t,t],[n-t,1]),u=e.norm(),c=o.slice([t,t],[1,1]),l=zn([[-1]]).where(c.greater(0),zn([[1]])),f=c.sub(l.mul(u)),h=e.div(f);s=1===h.shape[0]?a.clone():a.concat(h.slice([1,0],[h.shape[0]-1,h.shape[1]]),0);var d=l.matMul(f).div(u).neg(),p=o.slice([t,0],[n-t,r]),m=d.mul(s);if(0===t)o=p.sub(m.matMul(s.transpose().matMul(p)));else {var g=p.sub(m.matMul(s.transpose().matMul(p)));o=o.slice([0,0],[t,r]).concat(g,0);}var v=i.slice([0,t],[n,i.shape[1]-t]);if(0===t)i=v.sub(v.matMul(s).matMul(m.transpose()));else {var y=v.sub(v.matMul(s).matMul(m.transpose()));i=i.slice([0,0],[n,t]).concat(y,1);}return [s,o,i];}),s=e[0],o=e[1],i=e[2],on([u,c,l]);},l=0;l<u;++l){c(l);}return !e&&n>r&&(i=i.slice([0,0],[n,r]),o=o.slice([0,0],[r,r])),[i,o];});}var ll=Nn({bandPart_:function bandPart_(t,e,n){if(e%1!=0)throw new Error("bandPart(): numLower must be an integer, got "+e+".");if(n%1!=0)throw new Error("bandPart(): numUpper must be an integer, got "+n+".");var r=xn(t,"a","bandPart");if(r.rank<2)throw new Error("bandPart(): Rank must be at least 2, got "+r.rank+".");var i=r.shape,o=r.shape.slice(-2),a=o[0],s=o[1];if(!(e<=a))throw new Error("bandPart(): numLower ("+e+") must not be greater than the number of rows ("+a+").");if(!(n<=s))throw new Error("bandPart(): numUpper ("+n+") must not be greater than the number of columns ("+s+").");e<0&&(e=a),n<0&&(n=s);var u=Yn(0,a,1,"int32").reshape([-1,1]),c=Yn(0,s,1,"int32"),l=lu(u,c),f=Ls(l.lessEqual(Pn(+e,"int32")),l.greaterEqual(Pn(-n,"int32"))),h=Gn([a,s],r.dtype);return Ur(qr(r.reshape([-1,a,s])).map(function(t){return Vs(f,t,h);})).reshape(i);}}),fl=Nn({gramSchmidt_:function gramSchmidt_(t){var e;if(Array.isArray(t)){e=!1,_(null!=t&&t.length>0,function(){return "Gram-Schmidt process: input must not be null, undefined, or empty";});for(var n=t[0].shape[0],r=function r(e){_(t[e].shape[0]===n,function(){return "Gram-Schmidt: Non-unique lengths found in the input vectors: ("+t[e].shape[0]+" vs. "+n+")";});},i=1;i<t.length;++i){r(i);}}else e=!0,t=ir(t,t.shape[0],0).map(function(t){return zr(t,[0]);});_(t.length<=t[0].shape[0],function(){return "Gram-Schmidt: Number of vectors ("+t.length+") exceeds number of dimensions ("+t[0].shape[0]+").";});var o=[],a=t,s=function s(t){o.push(Wt.tidy(function(){var e=a[t];if(t>0)for(var n=0;n<t;++n){var r=bc(o[n].mulStrict(e)).mul(o[n]);e=e.sub(r);}return e.div(Dc(e,"euclidean"));}));};for(i=0;i<t.length;++i){s(i);}return e?Ur(o,0):o;}}),hl=Nn({qr_:function qr_(t,e){if(void 0===e&&(e=!1),t.rank<2)throw new Error("qr() requires input tensor to have a rank >= 2, but got rank "+t.rank);if(2===t.rank)return cl(t,e);var n=t.shape.slice(0,t.shape.length-2).reduce(function(t,e){return t*e;}),r=[],i=[];return qr(t.reshape([n,t.shape[t.shape.length-2],t.shape[t.shape.length-1]]),0).forEach(function(t){var n=cl(t,e),o=n[0],a=n[1];r.push(o),i.push(a);}),[Ur(r,0).reshape(t.shape),Ur(i,0).reshape(t.shape)];}}),dl=Object.freeze({bandPart:ll,gramSchmidt:fl,qr:hl});function pl(t,e,n,r,i,o){null==r&&(r=.5),null==i&&(i=Number.NEGATIVE_INFINITY),null==o&&(o=0);var a=t.shape[0];return n=Math.min(n,a),_(0<=r&&r<=1,function(){return "iouThreshold must be in [0, 1], but was '"+r+"'";}),_(2===t.rank,function(){return "boxes must be a 2D tensor, but was of rank '"+t.rank+"'";}),_(4===t.shape[1],function(){return "boxes must have 4 columns, but 2nd dimension was "+t.shape[1];}),_(1===e.rank,function(){return "scores must be a 1D tensor";}),_(e.shape[0]===a,function(){return "scores has incompatible shape with boxes. Expected "+a+", but was "+e.shape[0];}),_(0<=o&&o<=1,function(){return "softNmsSigma must be in [0, 1], but was '"+o+"'";}),{maxOutputSize:n,iouThreshold:r,scoreThreshold:i,softNmsSigma:o};}var ml=Nn({resizeBilinear_:function resizeBilinear_(t,e,n){void 0===n&&(n=!1);var r=xn(t,"images","resizeBilinear");_(3===r.rank||4===r.rank,function(){return "Error in resizeBilinear: x must be rank 3 or 4, but got rank "+r.rank+".";}),_(2===e.length,function(){return "Error in resizeBilinear: new shape must 2D, but got shape "+e+".";});var i=r,o=!1;3===r.rank&&(o=!0,i=r.as4D(1,r.shape[0],r.shape[1],r.shape[2]));var a=e[0],s=e[1],u=Wt.runKernelFunc(function(t,e){return e([i]),t.resizeBilinear(i,a,s,n);},{x:i},function(t,e){return {x:function x(){return Wt.runKernelFunc(function(r){return r.resizeBilinearBackprop(t,e[0],n);},{});}};},"ResizeBilinear",{alignCorners:n,newHeight:a,newWidth:s});return o?u.as3D(u.shape[1],u.shape[2],u.shape[3]):u;}}),gl=Nn({resizeNearestNeighbor_:function resizeNearestNeighbor_(t,e,n){void 0===n&&(n=!1);var r=xn(t,"images","resizeNearestNeighbor");_(3===r.rank||4===r.rank,function(){return "Error in resizeNearestNeighbor: x must be rank 3 or 4, but got rank "+r.rank+".";}),_(2===e.length,function(){return "Error in resizeNearestNeighbor: new shape must 2D, but got shape "+e+".";}),_("float32"===r.dtype||"int32"===r.dtype,function(){return "`images` must have `int32` or `float32` as dtype";});var i=r,o=!1;3===r.rank&&(o=!0,i=r.as4D(1,r.shape[0],r.shape[1],r.shape[2]));var a=e[0],s=e[1],u=Wt.runKernelFunc(function(t,e){return e([i]),t.resizeNearestNeighbor(i,a,s,n);},{batchImages:i},function(t,e){return {batchImages:function batchImages(){return Wt.runKernelFunc(function(r){return r.resizeNearestNeighborBackprop(t,e[0],n);},{});}};});return o?u.as3D(u.shape[1],u.shape[2],u.shape[3]):u;}}),vl=Nn({nonMaxSuppression_:function nonMaxSuppression_(t,e,n,r,i){void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY);var o=xn(t,"boxes","nonMaxSuppression"),a=xn(e,"scores","nonMaxSuppression"),s=pl(o,a,n,r,i);n=s.maxOutputSize,r=s.iouThreshold,i=s.scoreThreshold;var u={maxOutputSize:n,iouThreshold:r,scoreThreshold:i};return Wt.runKernelFunc(function(t){return t.nonMaxSuppression(o,a,n,r,i);},{boxes:o,scores:a},null,"NonMaxSuppressionV3",u);}}),yl=Nn({nonMaxSuppressionWithScore_:function nonMaxSuppressionWithScore_(t,e,n,r,i,o){void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),void 0===o&&(o=0);var a=xn(t,"boxes","nonMaxSuppression"),s=xn(e,"scores","nonMaxSuppression"),u=pl(a,s,n,r,i,o),c={maxOutputSize:n=u.maxOutputSize,iouThreshold:r=u.iouThreshold,scoreThreshold:i=u.scoreThreshold,softNmsSigma:o=u.softNmsSigma},l=Wt.runKernel("NonMaxSuppressionV5",{boxes:a,scores:s},c);return {selectedIndices:l[0],selectedScores:l[1]};}}),bl=Nn({cropAndResize_:function cropAndResize_(t,e,n,r,i,o){var a=xn(t,"image","cropAndResize"),s=xn(e,"boxes","cropAndResize","float32"),u=xn(n,"boxInd","cropAndResize","int32");i=i||"bilinear",o=o||0;var c=s.shape[0];return _(4===a.rank,function(){return "Error in cropAndResize: image must be rank 4,but got rank "+a.rank+".";}),_(2===s.rank&&4===s.shape[1],function(){return "Error in cropAndResize: boxes must be have size ["+c+",4] but had shape "+s.shape+".";}),_(1===u.rank&&u.shape[0]===c,function(){return "Error in cropAndResize: boxInd must be have size ["+c+"] but had shape "+s.shape+".";}),_(2===r.length,function(){return "Error in cropAndResize: cropSize must be of length 2, but got length "+r.length+".";}),_(r[0]>=1&&r[1]>=1,function(){return "cropSize must be atleast [1,1], but was "+r;}),_("bilinear"===i||"nearest"===i,function(){return "method must be bilinear or nearest, but was "+i;}),Wt.runKernelFunc(function(t,e){return t.cropAndResize(a,s,u,r,i,o);},{images:a,boxes:s,boxInd:u},null,"CropAndResize",{method:i,extrapolationValue:o,cropSize:r});}}),xl=Object.freeze({resizeBilinear:ml,resizeNearestNeighbor:gl,nonMaxSuppression:vl,nonMaxSuppressionAsync:function nonMaxSuppressionAsync(t,e,n,r,i){return void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),u(this,void 0,void 0,function(){var o,a,s,u,l,f,h;return c(this,function(c){switch(c.label){case 0:return o=xn(t,"boxes","nonMaxSuppressionAsync"),a=xn(e,"scores","nonMaxSuppressionAsync"),s=pl(o,a,n,r,i),n=s.maxOutputSize,r=s.iouThreshold,i=s.scoreThreshold,[4,Promise.all([o.data(),a.data()])];case 1:return u=c.sent(),l=u[0],f=u[1],h=Yi(l,f,n,r,i),o!==t&&o.dispose(),a!==e&&a.dispose(),[2,h];}});});},nonMaxSuppressionWithScore:yl,nonMaxSuppressionWithScoreAsync:function nonMaxSuppressionWithScoreAsync(t,e,n,r,i,o){return void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),void 0===o&&(o=0),u(this,void 0,void 0,function(){var a,s,u,l,f,h,d;return c(this,function(c){switch(c.label){case 0:return a=xn(t,"boxes","nonMaxSuppressionAsync"),s=xn(e,"scores","nonMaxSuppressionAsync"),u=pl(a,s,n,r,i,o),n=u.maxOutputSize,r=u.iouThreshold,i=u.scoreThreshold,o=u.softNmsSigma,[4,Promise.all([a.data(),s.data()])];case 1:return l=c.sent(),f=l[0],h=l[1],d=Ji(f,h,n,r,i,o),a!==t&&a.dispose(),s!==e&&s.dispose(),[2,d];}});});},cropAndResize:bl}),wl=function wl(t,e){return !(t>0)||"linear"===e;},kl=function kl(t,e,n){if(null==n||"linear"===n)return t;if("relu"===n)return t.mul(e.step());throw new Error("Gradient for activation "+n+" has not been implemented yet.");},El=function El(t,e){var n=e,r=Oi(t.shape,e.shape);return r.length>0&&(n=n.sum(r)),n.reshape(t.shape);},Cl=function Cl(t,e,n){if("linear"===e)return t;if("relu"===e)return Cc(t);if("elu"===e)return wc(t);if("relu6"===e)return Ac(t);if("prelu"===e)return Ec(t,n);throw new Error("Unknown fused activation "+e+".");},Al=Nn({fusedMatMul_:function fusedMatMul_(t){var e,n=t.a,r=t.b,i=t.transposeA,o=void 0!==i&&i,a=t.transposeB,s=void 0!==a&&a,u=t.bias,c=t.activation,l=void 0===c?"linear":c,f=t.preluActivationWeights;if(!1===wl(Wt.state.gradientDepth,l)){var h=Vu(n,r,o,s);return null!=u&&(h=$s(h,u)),Cl(h,l,f);}var d=xn(n,"a","fused matMul"),p=xn(r,"b","fused matMul");e=Mt(d,p),d=e[0],p=e[1];var m=o?d.shape[d.rank-2]:d.shape[d.rank-1],g=s?p.shape[p.rank-1]:p.shape[p.rank-2],v=o?d.shape[d.rank-1]:d.shape[d.rank-2],y=s?p.shape[p.rank-2]:p.shape[p.rank-1],b=d.shape.slice(0,-2),x=p.shape.slice(0,-2),w=T(b),k=T(x);_(d.rank>=2&&p.rank>=2&&d.rank===p.rank,function(){return "Error in fused matMul: inputs must have the same rank of at least 2, got ranks "+d.rank+" and "+p.rank+".";}),_(N(b,x),function(){return "Error in fused matMul: outer dimensions ("+b+") and ("+x+") of Tensors with shapes "+d.shape+" and "+p.shape+" must match.";}),_(m===g,function(){return "Error in fused matMul: inner shapes ("+m+") and ("+g+") of Tensors with shapes "+d.shape+" and "+p.shape+" and transposeA="+o+" and transposeB="+s+" must match.";});var E,C,A=d.shape.slice(0,-2).concat([v,y]),O=o?d.as3D(w,m,v):d.as3D(w,v,m),S=s?p.as3D(k,y,g):p.as3D(k,g,y);null!=u&&_i(A,(E=Mt(E=xn(u,"bias","fused matMul"),d)[0]).shape),null!=f&&(C=xn(f,"prelu weights","fused matMul"));var D={a:O,b:S};null!=u&&(D.bias=E),null!=f&&(D.preluActivationWeights=C);var F=[O,S];return Wt.runKernelFunc(function(t,e){var n=t.fusedBatchMatMul({a:O,b:S,transposeA:o,transposeB:s,bias:E,activation:l,preluActivationWeights:C});return e([O,S,n]),n;},D,function(t,e){var n=e[0],r=e[1],i=e[2],_a7=kl(t,i,l),c={};return null!=u&&(c={bias:function bias(){return El(E,_a7);}}),o||s?!o&&s?Object.assign({a:function a(){return _a7.matMul(r,!1,!1);},b:function b(){return _a7.matMul(n,!0,!1);}},c):o&&!s?Object.assign({a:function a(){return r.matMul(_a7,!1,!0);},b:function b(){return n.matMul(_a7,!1,!1);}},c):Object.assign({a:function a(){return r.matMul(_a7,!0,!0);},b:function b(){return _a7.matMul(n,!0,!0);}},c):Object.assign({a:function a(){return _a7.matMul(r,!1,!0);},b:function b(){return n.matMul(_a7,!0,!1);}},c);},"_FusedMatMul",{transposeA:o,transposeB:s,activation:l},F,[!0]).reshape(A);}}),Ol=Nn({fusedConv2d_:function fusedConv2d_(t){var e=t.x,n=t.filter,r=t.strides,i=t.pad,o=t.dataFormat,a=void 0===o?"NHWC":o,s=t.dilations,u=void 0===s?[1,1]:s,c=t.dimRoundingMode,l=t.bias,f=t.activation,h=void 0===f?"linear":f,d=t.preluActivationWeights;if(h=h||"linear",!1===wl(Wt.state.gradientDepth,h)){var p=Iu(e,n,r,i,a,u,c);return null!=l&&(p=$s(p,l)),Cl(p,h,d);}var m=xn(e,"x","conv2d"),g=xn(n,"filter","conv2d"),v=m,y=!1;3===m.rank&&(y=!0,v=m.as4D(1,m.shape[0],m.shape[1],m.shape[2])),_(4===v.rank,function(){return "Error in fused conv2d: input must be rank 4, but got rank "+v.rank+".";}),_(4===g.rank,function(){return "Error in fused conv2d: filter must be rank 4, but got rank "+g.rank+".";}),null!=c&&_(I(i),function(){return "Error in fused conv2d: pad must be an integer when using, dimRoundingMode "+c+" but got pad "+i+".";}),_(v.shape[3]===g.shape[2],function(){return "Error in conv2d: depth of input ("+v.shape[3]+") must match input depth for filter "+g.shape[2]+".";}),_(Pi(r,u),function(){return "Error in conv2D: Either strides or dilations must be 1. Got strides "+r+" and dilations '"+u+"'";}),_("NHWC"===a,function(){return "Error in conv2d: got dataFormat of "+a+" but only NHWC is currently supported.";});var b,x,w=Fi(v.shape,g.shape,r,u,i,c);null!=l&&(b=Mt(b=xn(l,"bias","fused conv2d"),m)[0],_i(w.outShape,b.shape)),null!=d&&(x=xn(d,"prelu weights","fused conv2d"));var k={x:v,filter:g};null!=l&&(k.bias=b),null!=d&&(k.preluActivationWeights=x);var E=[g,v],C=Wt.runKernelFunc(function(t,e){var n=t.fusedConv2d({input:v,filter:g,convInfo:w,bias:b,activation:h,preluActivationWeights:x});return e([g,v,n]),n;},k,function(t,e){var n=e,o=n[0],a=n[1],s=n[2],c=kl(t,s,h);_(Bi(u),function(){return "Error in gradient of fused conv2D: dilation rates greater than 1 are not yet supported in gradients. Got dilations '"+u+"'";});var f={};return null!=l&&(f={bias:function bias(){return El(b,c);}}),Object.assign({x:function x(){return ju(a.shape,c,o,r,i);},filter:function filter(){return Mu(a,c,o.shape,r,i);}},f);},"FusedConv2D",{convInfo:w,activation:h},E,[!0]);return y?C.as3D(C.shape[1],C.shape[2],C.shape[3]):C;}}),_l=Nn({fusedDepthwiseConv2d_:function fusedDepthwiseConv2d_(t){var e=t.x,n=t.filter,r=t.strides,i=t.pad,o=t.dataFormat,a=void 0===o?"NHWC":o,s=t.dilations,u=void 0===s?[1,1]:s,c=t.dimRoundingMode,l=t.bias,f=t.activation,h=void 0===f?"linear":f,d=t.preluActivationWeights;if(!1===wl(Wt.state.gradientDepth,h)){var p=Bu(e,n,r,i,a,u,c);return null!=l&&(p=$s(p,l)),Cl(p,h,d);}var m=xn(e,"x","depthwiseConv2d"),g=xn(n,"filter","depthwiseConv2d"),v=m,y=!1;3===m.rank&&(y=!0,v=m.as4D(1,m.shape[0],m.shape[1],m.shape[2])),_(4===v.rank,function(){return "Error in fused depthwiseConv2d: input must be rank 4, but got rank "+v.rank+".";}),_(4===g.rank,function(){return "Error in fused depthwiseConv2d: filter must be rank 4, but got rank "+g.rank+".";}),_(v.shape[3]===g.shape[2],function(){return "Error in fused depthwiseConv2d: number of input channels ("+v.shape[3]+") must match the inChannels dimension in filter "+g.shape[2]+".";}),null==u&&(u=[1,1]),_(Pi(r,u),function(){return "Error in fused depthwiseConv2d: Either strides or dilations must be 1. Got strides "+r+" and dilations '"+u+"'";}),null!=c&&_(I(i),function(){return "Error in fused depthwiseConv2d: pad must be an integer when using dimRoundingMode "+c+" but got pad "+i+".";});var b,x,w=Fi(v.shape,g.shape,r,u,i,c,!0);null!=l&&(b=Mt(b=xn(l,"bias","fused conv2d"),m)[0],_i(w.outShape,b.shape)),null!=d&&(x=xn(d,"prelu weights","fused depthwiseConv2d"));var k={x:v,filter:g};null!=l&&(k.bias=b),null!=d&&(k.preluActivationWeights=x);var E=[g,v],C=Wt.runKernelFunc(function(t,e){var n=t.fusedDepthwiseConv2D({input:v,filter:g,convInfo:w,bias:b,activation:h,preluActivationWeights:x});return e([g,v,n]),n;},k,function(t,e){_(Bi(u),function(){return "Error in gradient of fused depthwiseConv2d: dilation rates greater than 1 are not yet supported. 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n=t.map(function(t){return e.readSync(t.dataId);}),r=vr(t[0].shape,t[0].dtype),i=r.values,o=0;o<t.length;o++){for(var a=n[o],s=0;s<i.length;s++){i[s]+=a[s];}}return r.toTensor();},e.prototype.softmax=function(t,e){var n=L([e],t.shape),r=this.max(t,n),i=An(r.shape,n),o=this.subtract(t,r.reshape(i)),a=this.exp(o),s=this.sum(a,n).reshape(i);return this.realDivide(a,s);},e.prototype.subtract=function(t,e){return "complex64"===t.dtype||"complex64"===e.dtype?this.broadcastedBinaryComplexOp(t.cast("complex64"),e.cast("complex64"),function(t,e,n,r){return {real:t-n,imag:e-r};}):this.broadcastedBinaryOp(t,e,It(t.dtype,e.dtype),function(t,e){return t-e;});},e.prototype.pow=function(t,e){return Fl([t,e],"pow"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return Math.pow(t,e);});},e.prototype.batchMatMul=function(t,e,n,r){Fl([t,e],"matMul");for(var i=n?t.shape[1]:t.shape[2],o=n?t.shape[2]:t.shape[1],a=r?e.shape[1]:e.shape[2],s=t.shape[0],u=this.readSync(t.dataId),c=this.readSync(e.dataId),l=n?[t.strides[0],1,t.strides[1]]:[t.strides[0],t.strides[1],1],f=l[0],h=l[1],d=l[2],p=r?[1,e.strides[1],e.strides[0]]:[e.strides[1],1,e.strides[0]],m=p[0],g=p[1],v=p[2],y=o*a,b=vr([s,o,a],t.dtype),x=b.values,w=this.blockSize,k=0;k<s;k++){for(var E=0;E<o;E+=w){for(var C=0;C<a;C+=w){for(var A=0;A<i;A+=w){for(var O=Math.min(E+w,o),_=Math.min(C+w,a),S=Math.min(A+w,i),D=E;D<O;D++){for(var F=C;F<_;F++){for(var T=0,N=A;N<S;N++){T+=u[k*f+D*h+N*d]*c[N*m+F*g+k*v];}x[k*y+(D*a+F)]+=T;}}}}}}return b.toTensor();},e.prototype.fusedBatchMatMul=function(t){var e=t.a,n=t.b,r=t.transposeA,i=t.transposeB,o=t.bias,a=t.activation,s=t.preluActivationWeights,u=this.batchMatMul(e,n,r,i);return o&&(u=this.add(u,o)),a&&(u=Tl(this,u,a,s)),u;},e.prototype.multiply=function(t,e){return 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Fl([t,e],"greater"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t>e?1:0;});},e.prototype.greaterEqual=function(t,e){return Fl([t,e],"greaterEqual"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t>=e?1:0;});},e.prototype.logicalNot=function(t){Fl(t,"logicalNot");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r){n[r]=e[r]?0:1;}return this.makeOutput(n,t.shape,"bool");},e.prototype.logicalAnd=function(t,e){return Fl([t,e],"logicalAnd"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t&&e;});},e.prototype.logicalOr=function(t,e){return Fl([t,e],"logicalOr"),this.broadcastedBinaryOp(t,e,"bool",function(t,e){return t||e;});},e.prototype.select=function(t,e,n){Fl([t,e,n],"select");for(var r=this.readSync(t.dataId),i=this.readSync(e.dataId),o=this.readSync(n.dataId),a=Gn(e.shape,It(e.dtype,n.dtype)),s=this.readSync(a.dataId),u=0,c=0===t.rank||t.rank>1||1===e.rank?1:T(e.shape.slice(1)),l=0;l<r.length;l++){for(var f=0;f<c;f++){1===r[l]?s[u++]=i[l]:s[u++]=o[l];}}return a;},e.prototype.where=function(t){Fl([t],"where");var e=this.readSync(t.dataId);return oo(t.shape,e);},e.prototype.topk=function(t,e,n){return Fl(t,"topk"),io(this.readSync(t.dataId),t.shape,t.dtype,e);},e.prototype.min=function(t,e){Fl(t,"min"),On("min",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,t.dtype),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=u[l],h=0;h<a;++h){var d=u[l+h];d<f&&(f=d);}s[c]=f;}return o;},e.prototype.minimum=function(t,e){return Fl([t,e],"minimum"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return Math.min(t,e);});},e.prototype.mod=function(t,e){return Fl([t,e],"mod"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){var n=t%e;return t<0&&e<0||t>=0&&e>=0?n:(n+e)%e;});},e.prototype.max=function(t,e){Fl(t,"max"),On("max",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,t.dtype),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=u[l],h=0;h<a;++h){var d=u[l+h];d>f&&(f=d);}s[c]=f;}return o;},e.prototype.maximum=function(t,e){return Fl([t,e],"maximum"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return Math.max(t,e);});},e.prototype.all=function(t,e){Fl(t,"all"),On("all",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,t.dtype),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=u[l],h=0;h<a;++h){var d=u[l+h];f=f&&d;}s[c]=f;}return o;},e.prototype.any=function(t,e){Fl(t,"any"),On("any",e,t.rank);for(var n=Cn(t.shape,e),r=n[0],i=n[1],o=Gn(r,t.dtype),a=T(i),s=this.readSync(o.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,f=u[l],h=0;h<a;++h){var d=u[l+h];f=f||d;}s[c]=f;}return o;},e.prototype.squaredDifference=function(t,e){return Fl([t,e],"squaredDifference"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){var n=t-e;return n*n;});},e.prototype.ceil=function(t){Fl(t,"ceil");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=Math.ceil(e[r]);}return this.makeOutput(n,t.shape,"float32");},e.prototype.floor=function(t){Fl(t,"floor");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=Math.floor(e[r]);}return this.makeOutput(n,t.shape,"float32");},e.prototype.sign=function(t){Fl(t,"x");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){e[r]<0?n[r]=-1:e[r]>0?n[r]=1:n[r]=0;}return this.makeOutput(n,t.shape,"float32");},e.prototype.isNaN=function(t){Fl(t,"x");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r){Number.isNaN(e[r])&&(n[r]=1);}return this.makeOutput(n,t.shape,"bool");},e.prototype.isInf=function(t){Fl(t,"x");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r){Math.abs(e[r])===1/0&&(n[r]=1);}return this.makeOutput(n,t.shape,"bool");},e.prototype.isFinite=function(t){Fl(t,"x");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r){Number.isFinite(e[r])&&(n[r]=1);}return this.makeOutput(n,t.shape,"bool");},e.prototype.round=function(t){Fl(t,"round");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=Math.floor(e[r]);e[r]-i<.5?n[r]=Math.floor(e[r]):e[r]-i>.5?n[r]=Math.ceil(e[r]):n[r]=i%2==0?i:i+1;}return this.makeOutput(n,t.shape,"float32");},e.prototype.exp=function(t){Fl(t,"exp");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=Math.exp(e[r]);}return this.makeOutput(n,t.shape,"float32");},e.prototype.expm1=function(t){Fl(t,"expm1");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=Math.expm1(e[r]);}return this.makeOutput(n,t.shape,"float32");},e.prototype.log=function(t){Fl(t,"log");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=e[r];n[r]=Math.log(i);}return this.makeOutput(n,t.shape,"float32");},e.prototype.log1p=function(t){Fl(t,"log1p");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=e[r];n[r]=Math.log1p(i);}return this.makeOutput(n,t.shape,"float32");},e.prototype.sqrt=function(t){Fl(t,"sqrt");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=e[r];n[r]=Math.sqrt(i);}return this.makeOutput(n,t.shape,"float32");},e.prototype.rsqrt=function(t){Fl(t,"rsqrt");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){var i=e[r];n[r]=1/Math.sqrt(i);}return this.makeOutput(n,t.shape,"float32");},e.prototype.reciprocal=function(t){Fl(t,"reciprocal");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r){n[r]=1/e[r];}return this.makeOutput(n,t.shape,"float32");},e.prototype.linear=function(t){return t;},e.prototype.relu=function(t){Fl(t,"relu");for(var e=Gn(t.shape,t.dtype),n=this.readSync(e.dataId),r=this.readSync(t.dataId),i=0;i<r.length;++i){n[i]=Math.max(0,r[i]);}return e;},e.prototype.relu6=function(t){Fl(t,"relu");for(var e=Gn(t.shape,t.dtype),n=this.readSync(e.dataId),r=this.readSync(t.dataId),i=0;i<r.length;++i){n[i]=Math.min(Math.max(0,r[i]),6);}return e;},e.prototype.prelu=function(t,e){return Fl([t,e],"prelu"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return t<0?e*t:t;});},e.prototype.elu=function(t){Fl(t,"elu");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){var i=n[r];e[r]=i>=0?i:Math.exp(i)-1;}return this.makeOutput(e,t.shape,"float32");},e.prototype.eluDer=function(t,e){Fl([t,e],"eluDer");for(var n=new Float32Array(e.size),r=this.readSync(e.dataId),i=this.readSync(t.dataId),o=0;o<r.length;++o){var a=r[o];n[o]=a>=1?i[o]:i[o]*(a+1);}return this.makeOutput(n,e.shape,"float32");},e.prototype.selu=function(t){Fl(t,"selu");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){var i=n[r];e[r]=i>=0?1.0507009873554805*i:1.7580993408473768*(Math.exp(i)-1);}return this.makeOutput(e,t.shape,"float32");},e.prototype.clip=function(t,e,n){Fl(t,"clip");for(var r=new Float32Array(t.size),i=this.readSync(t.dataId),o=0;o<i.length;++o){var a=i[o];r[o]=a>n?n:a<e?e:a;}return this.makeOutput(r,t.shape,"float32");},e.prototype.abs=function(t){for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.abs(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.complexAbs=function(t){for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<t.size;++r){var i=n[2*r],o=n[2*r+1];e[r]=Math.hypot(i,o);}return this.makeOutput(e,t.shape,"float32");},e.prototype.int=function(t){Fl(t,"int");for(var e=new Int32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=n[r];}return this.makeOutput(e,t.shape,"int32");},e.prototype.sigmoid=function(t){Fl(t,"sigmoid");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=1/(1+Math.exp(-n[r]));}return this.makeOutput(e,t.shape,"float32");},e.prototype.softplus=function(t){Fl(t,"softplus");for(var e=Math.log(1.1920928955078125e-7)+2,n=new Float32Array(t.size),r=this.readSync(t.dataId),i=0;i<r.length;++i){var o,a=r[i]>-e,s=r[i]<e,u=Math.exp(r[i]);o=s?u:a?r[i]:Math.log(1+u),n[i]=o;}return this.makeOutput(n,t.shape,"float32");},e.prototype.sin=function(t){Fl(t,"sin");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.sin(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.cos=function(t){Fl(t,"cos");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.cos(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.tan=function(t){Fl(t,"tan");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.tan(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.asin=function(t){Fl(t,"asin");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.asin(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.acos=function(t){Fl(t,"acos");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.acos(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.atan=function(t){Fl(t,"atan");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.atan(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.atan2=function(t,e){return Fl([t,e],"atan2"),this.broadcastedBinaryOp(t,e,t.dtype,function(t,e){return Math.atan2(t,e);});},e.prototype.sinh=function(t){Fl(t,"sinh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.sinh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.cosh=function(t){Fl(t,"cosh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.cosh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.tanh=function(t){Fl(t,"tanh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=R(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.asinh=function(t){Fl(t,"asinh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.asinh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.acosh=function(t){Fl(t,"acosh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.acosh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.atanh=function(t){Fl(t,"atanh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){e[r]=Math.atanh(n[r]);}return this.makeOutput(e,t.shape,"float32");},e.prototype.erf=function(t){Fl(t,"erf");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){var i=Math.sign(n[r]),o=Math.abs(n[r]),a=1/(1+.3275911*o);e[r]=i*(1-((((1.061405429*a-1.453152027)*a+1.421413741)*a-.284496736)*a+.254829592)*a*Math.exp(-o*o));}return this.makeOutput(e,t.shape,"float32");},e.prototype.step=function(t,e){void 0===e&&(e=0),Fl(t,"step");for(var n=new Float32Array(t.size),r=this.readSync(t.dataId),i=0;i<r.length;++i){var o=r[i];isNaN(o)?n[i]=NaN:n[i]=o>0?1:e;}return this.makeOutput(n,t.shape,"float32");},e.prototype.fusedConv2d=function(t){var e=t.input,n=t.filter,r=t.convInfo,i=t.bias,o=t.activation,a=t.preluActivationWeights,s=this.conv2d(e,n,r);return i&&(s=this.add(s,i)),o&&(s=Tl(this,s,o,a)),s;},e.prototype.conv2d=function(t,e,n){Fl([t,e],"conv2d");for(var r=n.filterHeight,i=n.filterWidth,o=n.dilationHeight,a=n.dilationWidth,s=n.padInfo.left,u=n.padInfo.top,c="channelsLast"===n.dataFormat,l=vr(n.outShape,t.dtype),f=t.strides[0],h=c?t.strides[1]:t.strides[2],d=c?t.strides[2]:1,p=c?1:t.strides[1],m=l.strides[0],g=c?l.strides[1]:l.strides[2],v=c?l.strides[2]:1,y=c?1:l.strides[1],b=this.readSync(t.dataId),x=this.readSync(e.dataId),w=l.values,k=0;k<n.batchSize;++k){for(var E=k*f,C=k*m,A=0;A<n.outHeight;++A){for(var O=C+A*g,_=A*n.strideHeight-u,S=0;S<r;S++){var D=_+S*o;if(!(D<0||D>=n.inHeight))for(var F=S*e.strides[0],T=E+D*h,N=0;N<n.outWidth;++N){for(var I=O+N*v,R=N*n.strideWidth-s,M=0;M<i;M++){var j=R+M*a;if(!(j<0||j>=n.inWidth))for(var B=T+j*d,P=F+M*e.strides[1],L=0;L<n.inChannels;++L){for(var z=b[B+L*p],U=0;U<n.outChannels;++U){w[I+U*y]+=z*x[P+U];}P+=n.outChannels;}}}}}}return l.toTensor();},e.prototype.conv3d=function(t,e,n){for(var r=n.filterDepth,i=n.filterHeight,o=n.filterWidth,a=n.dilationDepth,s=n.dilationHeight,u=n.dilationWidth,c=n.padInfo.front,l=n.padInfo.left,f=n.padInfo.top,h=vr(n.outShape,t.dtype),d=this.readSync(t.dataId),p=this.readSync(e.dataId),m=h.values,g=0;g<n.batchSize;++g){for(var v=g*t.strides[0],y=g*h.strides[0],b=0;b<n.outDepth;++b){for(var x=y+b*h.strides[1],w=b*n.strideDepth-c,k=0;k<r;k++){var E=w+k*a;if(!(E<0||E>=n.inDepth))for(var C=k*e.strides[0],A=v+E*t.strides[1],O=0;O<n.outHeight;++O){for(var _=x+O*h.strides[2],S=O*n.strideHeight-f,D=0;D<i;D++){var F=S+D*s;if(!(F<0||F>=n.inHeight))for(var T=C+D*e.strides[1],N=A+F*t.strides[2],I=0;I<n.outWidth;++I){for(var R=_+I*n.outChannels,M=I*n.strideWidth-l,j=0;j<o;j++){var B=M+j*u;if(!(B<0||B>=n.inWidth))for(var P=T+j*e.strides[2],L=N+B*n.inChannels,z=P,U=0;U<n.inChannels;++U){for(var W=d[L+U],V=0;V<n.outChannels;++V){m[R+V]+=W*p[z+V];}z+=n.outChannels;}}}}}}}}return h.toTensor();},e.prototype.conv2dDerInput=function(t,e,n){Fl([t,e],"conv2dDerInput");for(var r=vr(n.inShape,"float32"),i=r.values,o=this.readSync(t.dataId),a=this.readSync(e.dataId),s=e.strides,u=s[0],c=s[1],l=s[2],f=n.batchSize,h=n.filterHeight,d=n.filterWidth,p=n.inChannels,m=n.inHeight,g=n.inWidth,v=n.outChannels,y=n.outHeight,b=n.outWidth,x=n.strideHeight,w=n.strideWidth,k=n.dataFormat,E=h-1-n.padInfo.top,C=d-1-n.padInfo.left,A="channelsLast"===k,O=r.strides[0],_=A?r.strides[1]:r.strides[2],S=A?r.strides[2]:1,D=A?1:r.strides[1],F=t.strides[0],T=A?t.strides[1]:t.strides[2],N=A?t.strides[2]:1,I=A?1:t.strides[1],R=0;R<f;++R){for(var M=0;M<p;++M){for(var j=0;j<m;++j){for(var B=j-E,P=Math.max(0,Math.ceil(B/x)),L=Math.min(y,(h+B)/x),z=0;z<g;++z){for(var U=z-C,W=Math.max(0,Math.ceil(U/w)),V=Math.min(b,(d+U)/w),q=0,$=P;$<L;++$){for(var H=$*x-B,G=W;G<V;++G){for(var K=F*R+T*$+N*G,X=u*(h-1-H)+c*(d-1-(G*w-U))+l*M,Y=0;Y<v;++Y){q+=o[K+I*Y]*a[X+Y];}}}i[O*R+_*j+S*z+D*M]=q;}}}}return r.toTensor();},e.prototype.conv3dDerInput=function(t,e,n){for(var r=vr(n.inShape,"float32"),i=r.values,o=r.strides,a=o[0],s=o[1],u=o[2],c=o[3],l=this.readSync(t.dataId),f=t.strides,h=f[0],d=f[1],p=f[2],m=f[3],g=this.readSync(e.dataId),v=e.strides,y=v[0],b=v[1],x=v[2],w=v[3],k=n.batchSize,E=n.filterDepth,C=n.filterHeight,A=n.filterWidth,O=n.inChannels,_=n.inDepth,S=n.inHeight,D=n.inWidth,F=n.outChannels,T=n.outDepth,N=n.outHeight,I=n.outWidth,R=n.strideDepth,M=n.strideHeight,j=n.strideWidth,B=E-1-n.padInfo.front,P=C-1-n.padInfo.top,L=A-1-n.padInfo.left,z=0;z<k;++z){for(var U=0;U<O;++U){for(var W=0;W<_;++W){for(var V=W-B,q=Math.max(0,Math.ceil(V/R)),$=Math.min(T,(E+V)/R),H=0;H<S;++H){for(var G=H-P,K=Math.max(0,Math.ceil(G/M)),X=Math.min(N,(C+G)/M),Y=0;Y<D;++Y){for(var J=Y-L,Q=Math.max(0,Math.ceil(J/j)),Z=Math.min(I,(A+J)/j),tt=0,et=q;et<$;++et){for(var nt=et*R-V,rt=K;rt<X;++rt){for(var it=rt*M-G,ot=Q;ot<Z;++ot){for(var at=h*z+d*et+p*rt+m*ot,st=y*(E-1-nt)+b*(C-1-it)+x*(A-1-(ot*j-J))+w*U,ut=0;ut<F;++ut){tt+=l[at+ut]*g[st+ut];}}}}i[a*z+s*W+u*H+c*Y+U]=tt;}}}}}return r.toTensor();},e.prototype.conv2dDerFilter=function(t,e,n){Fl([t,e],"conv2dDerFilter");for(var r=n.strideHeight,i=n.strideWidth,o=n.filterHeight,a=n.filterWidth,s="channelsLast"===n.dataFormat,u=vr(n.filterShape,"float32"),c=n.padInfo.left,l=n.padInfo.top,f=this.bufferSync(t),h=this.bufferSync(e),d=0;d<o;++d){for(var p=Math.max(0,Math.ceil((l-d)/r)),m=Math.min(n.outHeight,(n.inHeight+l-d)/r),g=0;g<a;++g){for(var v=Math.max(0,Math.ceil((c-g)/i)),y=Math.min(n.outWidth,(n.inWidth+c-g)/i),b=0;b<n.inChannels;++b){for(var x=0;x<n.outChannels;++x){for(var w=0,k=0;k<n.batchSize;++k){for(var E=p;E<m;++E){for(var C=d+E*r-l,A=v;A<y;++A){var O=g+A*i-c;w+=s?f.get(k,C,O,b)*h.get(k,E,A,x):f.get(k,b,C,O)*h.get(k,x,E,A);}}}u.set(w,d,g,b,x);}}}}return u.toTensor();},e.prototype.conv3dDerFilter=function(t,e,n){for(var r=n.strideDepth,i=n.strideHeight,o=n.strideWidth,a=n.filterDepth,s=n.filterHeight,u=n.filterWidth,c=vr(n.filterShape,"float32"),l=c.values,f=c.strides,h=f[0],d=f[1],p=f[2],m=f[3],g=this.readSync(e.dataId),v=e.strides,y=v[0],b=v[1],x=v[2],w=v[3],k=this.readSync(t.dataId),E=t.strides,C=E[0],A=E[1],O=E[2],_=E[3],S=n.padInfo.front,D=n.padInfo.left,F=n.padInfo.top,T=0;T<a;++T){for(var N=Math.max(0,Math.ceil((S-T)/r)),I=Math.min(n.outDepth,(n.inDepth+S-T)/r),R=T*h,M=0;M<s;++M){for(var j=Math.max(0,Math.ceil((F-M)/i)),B=Math.min(n.outHeight,(n.inHeight+F-M)/i),P=M*d+R,L=0;L<u;++L){for(var z=Math.max(0,Math.ceil((D-L)/o)),U=Math.min(n.outWidth,(n.inWidth+D-L)/o),W=L*p+P,V=0;V<n.inChannels;++V){for(var q=V*m+W,$=0;$<n.outChannels;++$){for(var H=0,G=0;G<n.batchSize;++G){for(var K=G*C,X=G*y,Y=N;Y<I;++Y){for(var J=(T+Y*r-S)*A+K,Q=Y*b+X,Z=j;Z<B;++Z){for(var tt=(M+Z*i-F)*O+J,et=Z*x+Q,nt=z;nt<U;++nt){var rt=nt*w+et;H+=k[(L+nt*o-D)*_+tt+V]*g[rt+$];}}}}l[q+$]=H;}}}}}return c.toTensor();},e.prototype.fusedDepthwiseConv2D=function(t){var e=t.input,n=t.filter,r=t.convInfo,i=t.bias,o=t.activation,a=t.preluActivationWeights,s=this.depthwiseConv2D(e,n,r);return i&&(s=this.add(s,i)),o&&(s=Tl(this,s,o,a)),s;},e.prototype.depthwiseConv2D=function(t,e,n){Fl([t,e],"depthwiseConv2D");for(var r=n.filterHeight,i=n.filterWidth,o=n.dilationHeight,a=n.dilationWidth,s=n.padInfo.left,u=n.padInfo.top,c=n.outChannels/n.inChannels,l=vr(n.outShape,t.dtype),f=this.readSync(t.dataId),h=this.readSync(e.dataId),d=l.values,p=0;p<n.batchSize;++p){for(var m=p*t.strides[0],g=p*l.strides[0],v=0;v<n.outHeight;++v){for(var y=g+v*l.strides[1],b=v*n.strideHeight-s,x=0;x<r;++x){var w=b+x*o;if(!(w<0||w>=n.inHeight))for(var k=x*e.strides[0],E=m+w*t.strides[1],C=0;C<n.outWidth;++C){for(var A=y+C*l.strides[2],O=C*n.strideWidth-u,_=0;_<i;++_){var S=O+_*a;if(!(S<0||S>=n.inWidth))for(var D=k+_*e.strides[1],F=E+S*n.inChannels,T=A,N=D,I=0;I<n.inChannels;++I){for(var R=f[F+I],M=0;M<c;++M){d[T+M]+=R*h[N+M];}T+=c,N+=c;}}}}}}return l.toTensor();},e.prototype.depthwiseConv2DDerInput=function(t,e,n){Fl([t,e],"depthwiseConv2DDerInput");for(var r=vr(n.inShape,"float32"),i=r.values,o=r.strides,a=o[0],s=o[1],u=o[2],c=this.readSync(t.dataId),l=t.strides,f=l[0],h=l[1],d=l[2],p=this.readSync(e.dataId),m=e.strides,g=m[0],v=m[1],y=m[2],b=n.batchSize,x=n.filterHeight,w=n.filterWidth,k=n.inChannels,E=n.inHeight,C=n.inWidth,A=n.outChannels,O=n.outHeight,_=n.outWidth,S=n.strideHeight,D=n.strideWidth,F=x-1-n.padInfo.top,T=w-1-n.padInfo.left,N=A/k,I=0;I<b;++I){for(var R=0;R<k;++R){for(var M=0;M<E;++M){for(var j=M-F,B=Math.max(0,Math.ceil(j/S)),P=Math.min(O,(x+j)/S),L=0;L<C;++L){for(var z=L-T,U=Math.max(0,Math.ceil(z/D)),W=Math.min(_,(w+z)/D),V=0,q=B;q<P;++q){for(var $=q*S-j,H=U;H<W;++H){for(var G=f*I+h*q+d*H,K=g*(x-1-$)+v*(w-1-(H*D-z))+y*R,X=0;X<N;++X){V+=c[G+(R*N+X)]*p[K+X];}}}i[a*I+s*M+u*L+R]=V;}}}}return r.toTensor();},e.prototype.depthwiseConv2DDerFilter=function(t,e,n){Fl([t,e],"depthwiseConv2DDerFilter");for(var r=n.strideHeight,i=n.strideWidth,o=n.filterHeight,a=n.filterWidth,s=vr(n.filterShape,"float32"),u=n.padInfo.left,c=n.padInfo.top,l=n.outChannels/n.inChannels,f=this.bufferSync(t),h=this.bufferSync(e),d=0;d<o;++d){for(var p=Math.max(0,Math.ceil((c-d)/r)),m=Math.min(n.outHeight,(n.inHeight+c-d)/r),g=0;g<a;++g){for(var v=Math.max(0,Math.ceil((u-g)/i)),y=Math.min(n.outWidth,(n.inWidth+u-g)/i),b=0;b<n.outChannels;++b){for(var x=Math.trunc(b/l),w=b%l,k=0,E=0;E<n.batchSize;++E){for(var C=p;C<m;++C){for(var A=d+C*r-c,O=v;O<y;++O){var _=g+O*i-u;k+=f.get(E,A,_,x)*h.get(E,C,O,b);}}}s.set(k,d,g,x,w);}}}return s.toTensor();},e.prototype.tile=function(t,e){return Fl(t,"tile"),ro(this.bufferSync(t),e);},e.prototype.pad=function(t,e,n){Fl(t,"pad");var r=e.map(function(e,n){return e[0]+t.shape[n]+e[1];}),i=e.map(function(t){return t[0];}),o=this.bufferSync(t),a=vr(r,t.dtype);0!==n&&a.values.fill(n);for(var s=0;s<t.size;s++){var u=o.indexToLoc(s),c=u.map(function(t,e){return t+i[e];});a.set.apply(a,[o.get.apply(o,u)].concat(c));}return a.toTensor();},e.prototype.transpose=function(t,e){Fl(t,"transpose");for(var n=new Array(t.rank),r=0;r<n.length;r++){n[r]=t.shape[e[r]];}var i=this.readSync(t.dataId),o=vr(n,t.dtype),a=this.bufferSync(t);for(r=0;r<t.size;++r){for(var s=a.indexToLoc(r),u=new Array(s.length),c=0;c<u.length;c++){u[c]=s[e[c]];}var l=o.locToIndex(u);o.values[l]=i[r];}return o.toTensor();},e.prototype.gather=function(t,e,n){Fl([t,e],"gather");var r=t.shape.slice(),i=this.readSync(e.dataId);r[n]=i.length;for(var o=vr(r,t.dtype),a=this.bufferSync(t),s=0;s<o.size;++s){var u=o.indexToLoc(s),c=u.slice();c[n]=i[u[n]];var l=a.locToIndex(c);o.values[s]=a.values[l];}return o.toTensor();},e.prototype.batchToSpaceND=function(t,e,n){Fl([t],"batchToSpaceND");var r=e.reduce(function(t,e){return t*e;}),i=Hr(t.shape,e,r),o=Gr(i.length,e.length),a=Kr(t.shape,e,r),s=Xr(n,e.length),u=Yr(a,n,e.length);return t.reshape(i).transpose(o).reshape(a).slice(s,u);},e.prototype.spaceToBatchND=function(t,e,n){Fl([t],"spaceToBatchND");var r=e.reduce(function(t,e){return t*e;}),i=[[0,0]];i.push.apply(i,n);for(var o=1+e.length;o<t.shape.length;++o){i.push([0,0]);}var a=t.pad(i),s=Hr(a.shape,e,r,!1),u=Gr(s.length,e.length,!1),c=Kr(a.shape,e,r,!1);return a.reshape(s).transpose(u).reshape(c);},e.prototype.pool=function(t,e,n){Fl(t,"pool");for(var r=e.strideHeight,i=e.strideWidth,o=e.dilationHeight,a=e.dilationWidth,s=e.effectiveFilterHeight,u=e.effectiveFilterWidth,c=e.padInfo.top,l=e.padInfo.left,f="max"===n?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,h=this.readSync(t.dataId),d=vr(e.outShape,t.dtype),p=d.values,m=e.outShape[1]*e.outShape[2]*e.outShape[3],g=e.outShape[2]*e.outShape[3],v=e.outShape[3],y=0;y<e.batchSize;++y){for(var b=y*m,x=y*t.strides[0],w=0;w<e.inChannels;++w){for(var k=0;k<e.outHeight;++k){for(var E=k*r-c,C=Math.max(0,E),A=Math.min(e.inHeight,s+E),O=b+k*g,_=0;_<e.outWidth;++_){for(var S=_*i-l,D=Math.max(0,S),F=Math.min(e.inWidth,u+S),T=f,N=0,I=0,R=C;R<A;R+=o){for(var M=x+R*t.strides[1],j=D;j<F;j+=a){var B=h[M+j*t.strides[2]+w];"max"===n&&B>T?T=B:"avg"===n&&(N+=B,I++);}if(isNaN(T))break;}p[O+_*v+w]="avg"===n?N/I:T;}}}}return d.toTensor();},e.prototype.maxPool=function(t,e){return this.pool(t,e,"max");},e.prototype.maxPoolPositions=function(t,e){for(var n=vr(e.outShape,"int32"),r=e.strideHeight,i=e.strideWidth,o=e.dilationHeight,a=e.dilationWidth,s=e.effectiveFilterHeight,u=e.effectiveFilterWidth,c=e.padInfo.top,l=e.padInfo.left,f=this.bufferSync(t),h=0;h<e.batchSize;++h){for(var d=0;d<e.inChannels;++d){for(var p=0;p<e.outHeight;++p){for(var m=p*r-c,g=m;g<0;){g+=o;}for(var v=Math.min(e.inHeight,s+m),y=0;y<e.outWidth;++y){for(var b=y*i-l,x=b;x<0;){x+=a;}for(var w=Math.min(e.inWidth,u+b),k=Number.NEGATIVE_INFINITY,E=-1,C=g;C<v;C+=o){for(var A=C-m,O=x;O<w;O+=a){var _=O-b,S=f.get(h,C,O,d);S>k&&(k=S,E=A*u+_);}}n.set(E,h,p,y,d);}}}}return n.toTensor();},e.prototype.maxPoolBackprop=function(t,e,n,r){Fl([e,n],"maxPoolBackprop");for(var i=this.maxPoolPositions(e,r),o=r.strideHeight,a=r.strideWidth,s=r.dilationHeight,u=r.dilationWidth,c=r.effectiveFilterHeight,l=r.effectiveFilterWidth,f=l-1-r.padInfo.left,h=c-1-r.padInfo.top,d=vr(e.shape,"float32"),p=this.bufferSync(i),m=this.bufferSync(t),g=0;g<r.batchSize;++g){for(var v=0;v<r.inChannels;++v){for(var y=0;y<r.inHeight;++y){for(var b=0;b<r.inWidth;++b){for(var x=y-h,w=b-f,k=0,E=0;E<c;E+=s){var C=(x+E)/o;if(!(C<0||C>=r.outHeight||Math.floor(C)!==C))for(var A=0;A<l;A+=u){var O=(w+A)/a;if(!(O<0||O>=r.outWidth||Math.floor(O)!==O)){var _=c*l-1-p.get(g,C,O,v)===E*l+A?1:0;0!==_&&(k+=m.get(g,C,O,v)*_);}}}d.set(k,g,y,b,v);}}}}return d.toTensor();},e.prototype.avgPoolBackprop=function(t,e,n){Fl([t,e],"avgPoolBackprop");for(var r=n.strideHeight,i=n.strideWidth,o=n.filterHeight,a=n.filterWidth,s=n.dilationHeight,u=n.dilationWidth,c=n.effectiveFilterHeight,l=n.effectiveFilterWidth,f=l-1-n.padInfo.left,h=c-1-n.padInfo.top,d=vr(e.shape,"float32"),p=1/(o*a),m=this.bufferSync(t),g=0;g<n.batchSize;++g){for(var v=0;v<n.inChannels;++v){for(var y=0;y<n.inHeight;++y){for(var b=0;b<n.inWidth;++b){for(var x=y-h,w=b-f,k=0,E=0;E<c;E+=s){var C=(x+E)/r;if(!(C<0||C>=n.outHeight||Math.floor(C)!==C))for(var A=0;A<l;A+=u){var O=(w+A)/i;O<0||O>=n.outWidth||Math.floor(O)!==O||(k+=m.get(g,C,O,v));}}d.set(k*p,g,y,b,v);}}}}return d.toTensor();},e.prototype.pool3d=function(t,e,n){Fl(t,"pool3d");for(var r=e.strideDepth,i=e.strideHeight,o=e.strideWidth,a=e.dilationDepth,s=e.dilationHeight,u=e.dilationWidth,c=e.effectiveFilterDepth,l=e.effectiveFilterHeight,f=e.effectiveFilterWidth,h=e.padInfo.front,d=e.padInfo.top,p=e.padInfo.left,m="max"===n?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,g=this.readSync(t.dataId),v=vr(e.outShape,t.dtype),y=v.values,b=e.outShape[1]*e.outShape[2]*e.outShape[3]*e.outShape[4],x=e.outShape[2]*e.outShape[3]*e.outShape[4],w=e.outShape[3]*e.outShape[4],k=e.outShape[4],E=0;E<e.batchSize;++E){for(var C=E*b,A=E*t.strides[0],O=0;O<e.inChannels;++O){for(var _=0;_<e.outDepth;++_){for(var S=_*r-h,D=S;D<0;){D+=a;}for(var F=Math.min(e.inDepth,c+S),T=C+_*x,N=0;N<e.outHeight;++N){for(var I=N*i-d,R=I;R<0;){R+=s;}for(var M=Math.min(e.inHeight,l+I),j=T+N*w,B=0;B<e.outWidth;++B){for(var P=B*o-p,L=P;L<0;){L+=u;}for(var z=Math.min(e.inWidth,f+P),U=j+B*k,W=m,V=0,q=0,$=D;$<F;$+=a){for(var H=A+$*t.strides[1],G=R;G<M;G+=s){for(var K=H+G*t.strides[2],X=L;X<z;X+=u){var Y=g[K+X*t.strides[3]+O];if("max"===n&&Y>W?W=Y:"avg"===n&&(V+=Y,q++),isNaN(W))break;}if(isNaN(W))break;}if(isNaN(W))break;}y[U+O]="avg"===n?V/q:W;}}}}}return v.toTensor();},e.prototype.avgPool3d=function(t,e){return Fl(t,"avgPool3d"),this.pool3d(t,e,"avg").toFloat();},e.prototype.avgPool3dBackprop=function(t,e,n){Fl([t,e],"avgPool3dBackprop");for(var r=n.strideDepth,i=n.strideHeight,o=n.strideWidth,a=n.filterDepth,s=n.filterHeight,u=n.filterWidth,c=n.dilationDepth,l=n.dilationHeight,f=n.dilationWidth,h=n.effectiveFilterDepth,d=n.effectiveFilterHeight,p=n.effectiveFilterWidth,m=h-1-n.padInfo.front,g=p-1-n.padInfo.left,v=d-1-n.padInfo.top,y=vr(e.shape,"float32"),b=1/(a*s*u),x=this.bufferSync(t),w=0;w<n.batchSize;++w){for(var k=0;k<n.inChannels;++k){for(var E=0;E<n.inDepth;++E){for(var C=0;C<n.inHeight;++C){for(var A=0;A<n.inWidth;++A){for(var O=E-m,_=C-v,S=A-g,D=0,F=0;F<h;F+=c){var T=(O+F)/r;if(!(T<0||T>=n.outDepth||Math.floor(T)!==T))for(var N=0;N<d;N+=l){var I=(_+N)/i;if(!(I<0||I>=n.outHeight||Math.floor(I)!==I))for(var R=0;R<p;R+=f){var M=(S+R)/o;M<0||M>=n.outWidth||Math.floor(M)!==M||(D+=x.get(w,T,I,M,k));}}}y.set(D*b,w,E,C,A,k);}}}}}return y.toTensor();},e.prototype.maxPool3d=function(t,e){return Fl(t,"maxPool3d"),this.pool3d(t,e,"max").toFloat();},e.prototype.maxPool3dPositions=function(t,e){for(var n=vr(e.outShape,"int32"),r=e.strideDepth,i=e.strideHeight,o=e.strideWidth,a=e.dilationDepth,s=e.dilationHeight,u=e.dilationWidth,c=e.effectiveFilterDepth,l=e.effectiveFilterHeight,f=e.effectiveFilterWidth,h=e.padInfo.front,d=e.padInfo.top,p=e.padInfo.left,m=this.bufferSync(t),g=0;g<e.batchSize;++g){for(var v=0;v<e.inChannels;++v){for(var y=0;y<e.outDepth;++y){for(var b=y*r-h,x=b;x<0;){x+=a;}for(var w=Math.min(e.inDepth,c+b),k=0;k<e.outHeight;++k){for(var E=k*i-d,C=E;C<0;){C+=s;}for(var A=Math.min(e.inHeight,l+E),O=0;O<e.outWidth;++O){for(var _=O*o-p,S=_;S<0;){S+=u;}for(var D=Math.min(e.inWidth,f+_),F=Number.NEGATIVE_INFINITY,T=-1,N=x;N<w;N+=a){for(var I=N-b,R=C;R<A;R+=s){for(var M=R-E,j=S;j<D;j+=u){var B=j-_,P=m.get(g,N,R,j,v);P>=F&&(F=P,T=I*l*f+M*l+B);}}}n.set(T,g,y,k,O,v);}}}}}return n.toTensor();},e.prototype.maxPool3dBackprop=function(t,e,n,r){Fl([e,n],"maxPool3dBackprop");for(var i=this.maxPool3dPositions(e,r),o=r.strideDepth,a=r.strideHeight,s=r.strideWidth,u=r.dilationDepth,c=r.dilationHeight,l=r.dilationWidth,f=r.effectiveFilterDepth,h=r.effectiveFilterHeight,d=r.effectiveFilterWidth,p=f-1-r.padInfo.front,m=d-1-r.padInfo.left,g=h-1-r.padInfo.top,v=vr(e.shape,"float32"),y=this.bufferSync(i),b=this.bufferSync(t),x=0;x<r.batchSize;++x){for(var w=0;w<r.inChannels;++w){for(var k=0;k<r.inDepth;++k){for(var E=0;E<r.inHeight;++E){for(var C=0;C<r.inWidth;++C){for(var A=k-p,O=E-g,_=C-m,S=0,D=0;D<f;D+=u){var F=(A+D)/o;if(!(F<0||F>=r.outDepth||Math.floor(F)!==F))for(var T=0;T<h;T+=c){var N=(O+T)/a;if(!(N<0||N>=r.outHeight||Math.floor(N)!==N))for(var I=0;I<d;I+=l){var R=(_+I)/s;if(!(R<0||R>=r.outWidth||Math.floor(R)!==R)){var M=f*h*d-1-y.get(x,F,N,R,w)===D*h*d+T*d+I?1:0;0!==M&&(S+=b.get(x,F,N,R,w)*M);}}}}v.set(S,x,k,E,C,w);}}}}}return v.toTensor();},e.prototype.cast=function(t,e){return zi(t,e,this);},e.prototype.reshape=function(t,e){return Ui(t,e);},e.prototype.avgPool=function(t,e){return Fl(t,"avgPool"),this.pool(t,e,"avg").toFloat();},e.prototype.resizeBilinear=function(t,e,n,r){Fl(t,"resizeBilinear");for(var i=t.shape,o=i[0],a=i[1],s=i[2],u=i[3],c=this.readSync(t.dataId),l=new Float32Array(T([o,e,n,u])),f=[r&&e>1?a-1:a,r&&n>1?s-1:s],h=[r&&e>1?e-1:e,r&&n>1?n-1:n],d=0,p=f[0]/h[0],m=f[1]/h[1],g=0;g<o;g++){for(var v=0;v<e;v++){for(var y=p*v,b=Math.floor(y),x=y-b,w=Math.min(a-1,Math.ceil(y)),k=g*t.strides[0]+b*t.strides[1],E=g*t.strides[0]+w*t.strides[1],C=0;C<n;C++){for(var A=m*C,O=Math.floor(A),_=A-O,S=Math.min(s-1,Math.ceil(A)),D=k+O*t.strides[2],F=E+O*t.strides[2],N=k+S*t.strides[2],I=E+S*t.strides[2],R=0;R<u;R++){var M=c[D+R],j=c[F+R],B=M+(c[N+R]-M)*_,P=B+(j+(c[I+R]-j)*_-B)*x;l[d++]=P;}}}}return jn(l,[o,e,n,u]);},e.prototype.resizeBilinearBackprop=function(t,e,n){Fl([t,e],"resizeBilinearBackprop");for(var r=e.shape,i=r[0],o=r[1],a=r[2],s=r[3],u=t.shape,c=u[1],l=u[2],f=new Float32Array(i*o*a*s),h=[n&&c>1?o-1:o,n&&l>1?a-1:a],d=[n&&c>1?c-1:c,n&&l>1?l-1:l],p=h[0]/d[0],m=h[1]/d[1],g=this.readSync(t.dataId),v=0,y=0;y<i;y++){for(var b=y*e.strides[0],x=0;x<c;x++){for(var w=x*p,k=Math.floor(w),E=Math.min(Math.ceil(w),o-1),C=b+k*e.strides[1],A=b+E*e.strides[1],O=w-k,_=1-O,S=0;S<l;S++){for(var D=S*m,F=Math.floor(D),T=Math.min(Math.ceil(D),a-1),N=D-F,I=1-N,R=C+F*e.strides[2],M=C+T*e.strides[2],j=A+F*e.strides[2],B=A+T*e.strides[2],P=_*I,L=_*N,z=O*I,U=O*N,W=0;W<s;W++){var V=g[v++];f[R+W]+=V*P,f[M+W]+=V*L,f[j+W]+=V*z,f[B+W]+=V*U;}}}}return Wn(f,[i,a,o,s],e.dtype);},e.prototype.resizeNearestNeighbor=function(t,e,n,r){Fl(t,"resizeNearestNeighbor");for(var i=t.shape,o=i[0],a=i[1],s=i[2],u=i[3],c=this.readSync(t.dataId),l=new Float32Array(o*e*n*u),f=[r&&e>1?a-1:a,r&&n>1?s-1:s],h=[r&&e>1?e-1:e,r&&n>1?n-1:n],d=f[0]/h[0],p=f[1]/h[1],m=0,g=0;g<o;g++){for(var v=g*t.strides[0],y=0;y<e;y++){for(var b=d*y,x=v+Math.min(a-1,r?Math.round(b):Math.floor(b))*t.strides[1],w=0;w<n;w++){for(var k=p*w,E=x+Math.min(s-1,r?Math.round(k):Math.floor(k))*t.strides[2],C=0;C<u;C++){var A=c[E+C];l[m++]=A;}}}}return jn(l,[o,e,n,u],t.dtype);},e.prototype.resizeNearestNeighborBackprop=function(t,e,n){Fl([t,e],"resizeNearestNeighborBackprop");for(var r=e.shape,i=r[0],o=r[1],a=r[2],s=r[3],u=t.shape,c=u[1],l=u[2],f=new Float32Array(i*o*a*s),h=this.readSync(t.dataId),d=[n&&c>1?o-1:o,n&&l>1?a-1:a],p=[n&&c>1?c-1:c,n&&l>1?l-1:l],m=d[0]/p[0],g=d[1]/p[1],v=1/m,y=1/g,b=2*Math.ceil(v)+2,x=2*Math.ceil(y)+2,w=0;w<i;w++){for(var k=w*e.strides[0],E=0;E<o;E++){for(var C=k+E*e.strides[1],A=Math.floor(E*v),O=Math.floor(A-b/2),_=0;_<a;_++){for(var S=C+_*e.strides[2],D=Math.floor(_*y),F=Math.floor(D-x/2),T=0;T<s;T++){for(var N=0,I=0;I<b;I++){var R=I+O;if(!(R<0||R>=c)){var M=k+R*t.strides[1],j=R*m;if(E===Math.min(o-1,n?Math.round(j):Math.floor(j)))for(var B=0;B<x;B++){var P=B+F;if(!(P<0||P>=l)){var L=M+P*t.strides[2],z=P*g;_===Math.min(a-1,n?Math.round(z):Math.floor(z))&&(N+=h[L+T]);}}}}f[S+T]=N;}}}}return Wn(f,e.shape,e.dtype);},e.prototype.batchNormalization=function(t,e,n,r,i,o){Fl([t,e,n,i,o],"batchNorm");for(var a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=this.readSync(n.dataId),c=i?this.readSync(i.dataId):new Float32Array([1]),l=o?this.readSync(o.dataId):new Float32Array([0]),f=new Float32Array(a.length),h=l.length,d=c.length,p=u.length,m=s.length,g=0,v=0,y=0,b=0,x=0;x<a.length;++x){f[x]=l[g++]+(a[x]-s[v++])*c[y++]/Math.sqrt(u[b++]+r),g>=h&&(g=0),v>=m&&(v=0),y>=d&&(y=0),b>=p&&(b=0);}return Wn(f,t.shape);},e.prototype.localResponseNormalization4D=function(t,e,n,r,i){Fl(t,"localResponseNormalization4D");var o=t.shape[3],a=o-1,s=this.readSync(t.dataId),u=t.size,c=new Float32Array(u);function l(t){for(var n=t%o,r=t-n+Math.max(0,n-e),i=t-n+Math.min(n+e,a),u=0;r<=i;r++){var c=s[r];u+=c*c;}return u;}for(var f=0;f<u;f++){var h=l(f),d=s[f]*Math.pow(n+r*h,-i);c[f]=d;}return Wn(c,t.shape);},e.prototype.LRNGrad=function(t,e,n,r,i,o,a){Fl(t,"LRNGrad");for(var s=t.shape[3],u=this.readSync(t.dataId),c=this.readSync(e.dataId),l=this.readSync(n.dataId),f=new Float32Array(t.size),h=t.size,d=0;d<h;d++){for(var p=d%s,m=d-p+Math.max(0,p-r),g=d-p+Math.min(s,p+r+1),v=0,y=m;y<g;y++){v+=Math.pow(c[y],2);}for(v=o*v+i,y=m;y<g;y++){var b=-2*o*a*c[y]*l[d]/v;d===y&&(b+=Math.pow(v,-a)),b*=u[d],f[y]+=b;}}return Wn(f,t.shape);},e.prototype.multinomial=function(t,e,n,r){Fl(t,"multinomial");for(var i=e?t:xi(t),o=i.shape[0],a=i.shape[1],s=Gn([o,n],"int32"),u=this.readSync(s.dataId),c=this.readSync(i.dataId),l=0;l<o;++l){var f=l*a,h=new Float32Array(a-1);h[0]=c[f];for(var d=1;d<h.length;++d){h[d]=h[d-1]+c[f+d];}for(var p=dr(r.toString()),m=l*n,g=0;g<n;++g){var v=p();u[m+g]=h.length;for(var y=0;y<h.length;y++){if(v<h[y]){u[m+g]=y;break;}}}}return s;},e.prototype.oneHot=function(t,e,n,r){Fl(t,"oneHot");var i=new Float32Array(t.size*e);i.fill(r);for(var o=this.readSync(t.dataId),a=0;a<t.size;++a){o[a]>=0&&o[a]<e&&(i[a*e+o[a]]=n);}return zn(i,[t.size,e],"int32");},e.prototype.nonMaxSuppression=function(t,e,n,r,i){return Fl(t,"nonMaxSuppression"),Yi(this.readSync(t.dataId),this.readSync(e.dataId),n,r,i);},e.prototype.fft=function(t){return this.fftBatch(t,!1);},e.prototype.ifft=function(t){return this.fftBatch(t,!0);},e.prototype.fftBatch=function(t,e){for(var n=t.shape[0],r=t.shape[1],i=vr(t.shape,"float32"),o=vr(t.shape,"float32"),a=Rn(t).as2D(n,r),s=Mn(t).as2D(n,r),u=0;u<n;u++){for(var c=a.slice([u,0],[1,r]),l=s.slice([u,0],[1,r]),f=In(c,l),h=this.readSync(this.fftImpl(f,e).dataId),d=0;d<r;d++){var p=$i(h,d);i.values[u*r+d]=p.real,o.values[u*r+d]=p.imag;}}return In(i.toTensor(),o.toTensor()).as2D(n,r);},e.prototype.fftImpl=function(t,e){var n=t.as1D(),r=n.size;if(this.isExponentOf2(r)){var i=this.fftRadix2(n,r,e).as2D(t.shape[0],t.shape[1]);return e&&(i=In(Rn(i).div(Pn(r)),Mn(i).div(Pn(r)))),i;}var o=this.readSync(t.dataId),a=function(t){for(var e=new Float32Array(t.length/2),n=new Float32Array(t.length/2),r=0;r<t.length;r+=2){e[r/2]=t[r],n[r/2]=t[r+1];}return {real:e,imag:n};}(this.fourierTransformByMatmul(o,r,e));return In(a.real,a.imag).as2D(t.shape[0],t.shape[1]);},e.prototype.isExponentOf2=function(t){return 0==(t&t-1);},e.prototype.fftRadix2=function(t,e,n){if(1===e)return t;var r=this.readSync(t.dataId),i=e/2,o=function(t){for(var e=Math.ceil(t.length/4),n=new Float32Array(e),r=new Float32Array(e),i=0;i<t.length;i+=4){n[Math.floor(i/4)]=t[i],r[Math.floor(i/4)]=t[i+1];}return {real:n,imag:r};}(r),a=In(o.real,o.imag).as1D(),s=function(t){for(var e=Math.floor(t.length/4),n=new Float32Array(e),r=new Float32Array(e),i=2;i<t.length;i+=4){n[Math.floor(i/4)]=t[i],r[Math.floor(i/4)]=t[i+1];}return {real:n,imag:r};}(r),u=In(s.real,s.imag).as1D();a=this.fftRadix2(a,i,n),u=this.fftRadix2(u,i,n);var c=function(t,e){for(var n=new Float32Array(t/2),r=new Float32Array(t/2),i=0;i<Math.ceil(t/2);i++){var o=(e?2:-2)*Math.PI*(i/t);n[i]=Math.cos(o),r[i]=Math.sin(o);}return {real:n,imag:r};}(e,n),l=In(c.real,c.imag).mul(u),f=a.add(l),h=a.sub(l),d=Rn(f).concat(Rn(h)),p=Mn(f).concat(Mn(h));return In(d,p).as1D();},e.prototype.fourierTransformByMatmul=function(t,e,n){for(var r=new Float32Array(2*e),i=0;i<e;i++){for(var o=0,a=0,s=0;s<e;s++){var u=Gi(i*s,e,n),c=$i(t,s);o+=c.real*u.real-c.imag*u.imag,a+=c.real*u.imag+c.imag*u.real;}n&&(o/=e,a/=e),Hi(r,o,a,i);}return r;},e.prototype.depthToSpace=function(t,e,n){_("NHWC"===n,function(){return "Only NHWC dataFormat supported on CPU for depthToSpace. Got "+n;}),_(e>1,function(){return "blockSize should be > 1 for depthToSpace, but was: "+e;});for(var r=t.shape[0],i=t.shape[1],o=t.shape[2],a=t.shape[3],s=i*e,u=o*e,c=a/(e*e),l=this.readSync(t.dataId),f=new Float32Array(r*s*u*c),h=0,d=0;d<r;++d){for(var p=0;p<s;++p){for(var m=Math.floor(p/e),g=p%e,v=0;v<u;++v){for(var y=Math.floor(v/e),b=(g*e+v%e)*c,x=0;x<c;++x){var w=x+b+a*(y+o*(m+i*d));f[h++]=l[w];}}}}return Wn(f,[r,s,u,c]);},e.prototype.broadcastedBinaryOp=function(t,e,n,r){var i=_i(t.shape,e.shape),o=vr(i,n),a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=Ai(t.shape,i),c=Ai(e.shape,i),l=o.values;if(u.length+c.length===0)for(var f=0;f<l.length;++f){l[f]=r(a[f%a.length],s[f%s.length]);}else {var h=this.bufferSync(t),d=this.bufferSync(e),p=function p(n){var i=o.indexToLoc(n),f=i.slice(-t.rank);u.forEach(function(t){return f[t]=0;});var p=h.locToIndex(f),m=i.slice(-e.rank);c.forEach(function(t){return m[t]=0;});var g=d.locToIndex(m);l[n]=r(a[p],s[g]);};for(f=0;f<l.length;++f){p(f);}}return o.toTensor();},e.prototype.broadcastedBinaryComplexOp=function(t,e,n){var r=_i(t.shape,e.shape),i=vr(r,"float32"),o=vr(r,"float32"),a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=Ai(t.shape,r),c=Ai(e.shape,r),l=i.values,f=o.values;if(u.length+c.length===0)for(var h=0;h<l.length;h++){var d=h%a.length,p=h%s.length,m=n(a[2*d],a[2*d+1],s[2*p],s[2*p+1]);l[h]=m.real,f[h]=m.imag;}else {var g=this.bufferSync(this.data.get(t.dataId).complexTensors.real),v=this.bufferSync(this.data.get(e.dataId).complexTensors.real),y=function y(r){var o=i.indexToLoc(r),h=o.slice(-t.rank);u.forEach(function(t){return h[t]=0;});var d=g.locToIndex(h),p=o.slice(-e.rank);c.forEach(function(t){return p[t]=0;});var m=v.locToIndex(p),y=n(a[2*d],a[2*d+1],s[2*m],s[2*m+1]);l[r]=y.real,f[r]=y.imag;};for(h=0;h<l.length;h++){y(h);}}return this.complex(i.toTensor(),o.toTensor());},e.prototype.split=function(t,e,n){return no(t,e,n);},e.prototype.dispose=function(){},e.prototype.floatPrecision=function(){return 32;},e.prototype.epsilon=function(){return 1e-7;},e.prototype.cropAndResize=function(t,e,n,r,i,o){for(var a=t.shape,s=a[0],u=a[1],c=a[2],l=a[3],f=e.shape[0],h=r[0],d=r[1],p=vr([f,h,d,l],"float32"),m=this.readSync(e.dataId),g=this.readSync(n.dataId),v=this.readSync(t.dataId),y=t.strides,b=p.strides,x=0;x<f;x++){var w=4*x,k=m[w],E=m[w+1],C=m[w+2],A=m[w+3],O=g[x];if(!(O>=s))for(var _=h>1?(C-k)*(u-1)/(h-1):0,S=d>1?(A-E)*(c-1)/(d-1):0,D=0;D<h;D++){var F=h>1?k*(u-1)+D*_:.5*(k+C)*(u-1);if(F<0||F>u-1)for(var T=0;T<d;T++){for(var N=0;N<l;N++){var I=N+T*b[2]+D*b[1]+x*b[0];p.values[I]=o;}}else if("bilinear"===i){var R=Math.floor(F),M=Math.ceil(F),j=F-R;for(T=0;T<d;T++){if(($=d>1?E*(c-1)+T*S:.5*(E+A)*(c-1))<0||$>c-1)for(N=0;N<l;N++){I=N+T*b[2]+D*b[1]+x*b[0],p.values[I]=o;}else {var B=Math.floor($),P=Math.ceil($),L=$-B;for(N=0;N<l;N++){var z=v[I=N+B*y[2]+R*y[1]+O*y[0]],U=v[I=N+P*y[2]+R*y[1]+O*y[0]],W=v[I=N+B*y[2]+M*y[1]+O*y[0]],V=z+(U-z)*L,q=W+(v[I=N+P*y[2]+M*y[1]+O*y[0]]-W)*L;I=N+T*b[2]+D*b[1]+x*b[0],p.values[I]=V+(q-V)*j;}}}}else for(T=0;T<d;++T){var $;if(($=d>1?E*(c-1)+T*S:.5*(E+A)*(c-1))<0||$>c-1)for(N=0;N<l;N++){I=N+T*b[2]+D*b[1]+x*b[0],p.values[I]=o;}else {var H=Math.round($),G=Math.round(F);for(N=0;N<l;N++){var K=N+H*y[2]+G*y[1]+O*y[0],X=N+T*b[2]+D*b[1]+x*b[0];p.values[X]=v[K];}}}}}return p.toTensor();},e.prototype.sparseToDense=function(t,e,n,r){var i=ri(0,t,n),o=i.sliceRank,a=i.numUpdates,s=i.sliceSize,u=i.strides,c=i.outputSize;return this.scatter(t,e,n,c,s,a,o,u,r,!1);},e.prototype.gatherND=function(t,e){var n=e.shape,r=n[n.length-1],i=Jr(t,e),o=i[0],a=i[1],s=i[2],u=i[3];if(0===a)return jn([],o,t.dtype);for(var c=new wt([a,s],t.dtype),l=this.readSync(e.dataId),f=this.readSync(t.dataId),h=0;h<a;h++){for(var d=[],p=0,m=0;m<r;m++){var g=l[h*r+m];p+=g*u[m],d.push(g);}if(p<0||p>=t.size/s)throw new Error("Invalid 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y=f[p*a+v];m.push(y),g+=y*s[v];}if(g<0||g>=r/i)throw new Error("Invalid indices: "+m+" does not index into "+n);for(var b=0;b<i;b++){c?d.values[g*i+b]+=h[p*i+b]:d.values[g*i+b]=0===e.rank?h[0]:h[p*i+b];}}return d.toTensor().reshape(n);},e;}(Ei);Wt.registerBackend("cpu",function(){return new Nl();},1);for(var Il=0,Rl=[{kernelName:"NonMaxSuppressionV5",backendName:"cpu",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=t.attrs,i=e,o=i.boxes,a=i.scores,s=r,u=s.maxOutputSize,c=s.iouThreshold,l=s.scoreThreshold,f=s.softNmsSigma,h=n;Fl(o,"NonMaxSuppressionWithScore");var d=Ji(h.data.get(o.dataId).values,h.data.get(a.dataId).values,u,c,l,f);return [d.selectedIndices,d.selectedScores];}},{kernelName:"Square",backendName:"cpu",kernelFunc:function kernelFunc(t){var e=t.inputs,n=t.backend,r=e.x,i=n;Fl(r,"square");for(var o=i.data.get(r.dataId).values,a=new Float32Array(o.length),s=0;s<o.length;++s){var u=o[s];a[s]=u*u;}return 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e=t.inputs,n=t.backend,r=t.attrs,i=e.pixels,o=r.numChannels,a="undefined"!=typeof HTMLVideoElement&&i instanceof HTMLVideoElement,s="undefined"!=typeof HTMLImageElement&&i instanceof HTMLImageElement,u=a?[i.videoWidth,i.videoHeight]:[i.width,i.height],c=u[0],l=u[1],h=[l,c],d=[l,c,o];(s||a)&&(null==Ml&&(Ml=document.createElement("canvas").getContext("2d")),Ml.canvas.width=c,Ml.canvas.height=l,Ml.drawImage(i,0,0,c,l),i=Ml.canvas);var p=n.makeTensorInfo(h,"int32");n.texData.get(p.dataId).usage=Ht.PIXELS,n.gpgpu.uploadPixelDataToTexture(n.getTexture(p.dataId),i);var m=f().getBool("WEBGL_PACK")?new function(t){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;var e=uo(),n=t[0],r=t[1];this.outputShape=t,this.userCode="\n      void main() {\n        ivec3 coords = getOutputCoords();\n        int texR = coords[0];\n        int texC = coords[1];\n        int depth = coords[2];\n\n        vec4 result = vec4(0.);\n\n        for(int row=0; row<=1; row++) {\n          for(int 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t.prototype.listModels=function(){return u(this,void 0,void 0,function(){var t=this;return c(this,function(e){return [2,new Promise(function(e,n){var r=t.indexedDB.open("tensorflowjs",1);r.onupgradeneeded=function(){return af(r);},r.onsuccess=function(){var t=r.result,i=t.transaction(rf,"readonly"),o=i.objectStore(rf).getAll();o.onsuccess=function(){for(var t={},n=0,r=o.result;n<r.length;n++){var i=r[n];t[i.modelPath]=i.modelArtifactsInfo;}e(t);},o.onerror=function(e){return t.close(),n(o.error);},i.oncomplete=function(){return t.close();};},r.onerror=function(t){return n(r.error);};})];});});},t.prototype.removeModel=function(t){return u(this,void 0,void 0,function(){var e=this;return c(this,function(n){var r;return t=(r=t).startsWith(sf.URL_SCHEME)?r.slice(sf.URL_SCHEME.length):r,[2,new Promise(function(n,r){var i=e.indexedDB.open("tensorflowjs",1);i.onupgradeneeded=function(){return af(i);},i.onsuccess=function(){var e,o=i.result,a=o.transaction(rf,"readwrite"),s=a.objectStore(rf),u=s.get(t);u.onsuccess=function(){if(null==u.result)return o.close(),r(new Error("Cannot find model with path '"+t+"' in IndexedDB."));var i=s.delete(t),a=function a(){var i=(e=o.transaction(nf,"readwrite")).objectStore(nf).delete(t);i.onsuccess=function(){return n(u.result.modelArtifactsInfo);},i.onerror=function(t){return r(u.error);};};i.onsuccess=a,i.onerror=function(t){return a(),o.close(),r(u.error);};},u.onerror=function(t){return o.close(),r(u.error);},a.oncomplete=function(){null==e?o.close():e.oncomplete=function(){return o.close();};};},i.onerror=function(t){return r(i.error);};})];});});},t;}();if(f().getBool("IS_BROWSER"))try{Zl.registerManager(sf.URL_SCHEME,new cf());}catch(a){}var lf="/",ff="tensorflowjs_models",hf="info",df="model_topology",pf="weight_specs",mf="weight_data",gf="model_metadata";function vf(t){return {info:[ff,t,hf].join(lf),topology:[ff,t,df].join(lf),weightSpecs:[ff,t,pf].join(lf),weightData:[ff,t,mf].join(lf),modelMetadata:[ff,t,gf].join(lf)};}function yf(t){var e=t.split(lf);if(e.length<3)throw new Error("Invalid key format: "+t);return e.slice(1,e.length-1).join(lf);}var bf=function(){function t(t){if(!f().getBool("IS_BROWSER")||"undefined"==typeof window||void 0===window.localStorage)throw new Error("The current environment does not support local storage.");if(this.LS=window.localStorage,null==t||!t)throw new Error("For local storage, modelPath must not be null, undefined or empty.");this.modelPath=t,this.keys=vf(this.modelPath);}return t.prototype.save=function(t){return u(this,void 0,void 0,function(){var e,n,r;return c(this,function(o){if(t.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");e=JSON.stringify(t.modelTopology),n=JSON.stringify(t.weightSpecs),r=Yl(t);try{return this.LS.setItem(this.keys.info,JSON.stringify(r)),this.LS.setItem(this.keys.topology,e),this.LS.setItem(this.keys.weightSpecs,n),this.LS.setItem(this.keys.weightData,function(t){if(Hl)return i.from(t).toString("base64");for(var e=new Uint8Array(t),n="",r=0,o=e.length;r<o;r++){n+=String.fromCharCode(e[r]);}return btoa(n);}(t.weightData)),this.LS.setItem(this.keys.modelMetadata,JSON.stringify({format:t.format,generatedBy:t.generatedBy,convertedBy:t.convertedBy,userDefinedMetadata:t.userDefinedMetadata})),[2,{modelArtifactsInfo:r}];}catch(t){throw this.LS.removeItem(this.keys.info),this.LS.removeItem(this.keys.topology),this.LS.removeItem(this.keys.weightSpecs),this.LS.removeItem(this.keys.weightData),this.LS.removeItem(this.keys.modelMetadata),new Error("Failed to save model '"+this.modelPath+"' to local storage: size quota being exceeded is a possible cause of this failure: modelTopologyBytes="+r.modelTopologyBytes+", weightSpecsBytes="+r.weightSpecsBytes+", weightDataBytes="+r.weightDataBytes+".");}return [2];});});},t.prototype.load=function(){return u(this,void 0,void 0,function(){var t,e,n,r,o,a,s;return c(this,function(u){if(null==(t=JSON.parse(this.LS.getItem(this.keys.info))))throw new Error("In local storage, there is no model with name '"+this.modelPath+"'");if("JSON"!==t.modelTopologyType)throw new Error("BrowserLocalStorage does not support loading non-JSON model topology yet.");if(e={},null==(n=JSON.parse(this.LS.getItem(this.keys.topology))))throw new Error("In local storage, the topology of model '"+this.modelPath+"' is missing.");if(e.modelTopology=n,null==(r=JSON.parse(this.LS.getItem(this.keys.weightSpecs))))throw new Error("In local storage, the weight specs of model '"+this.modelPath+"' are missing.");if(e.weightSpecs=r,null!=(o=this.LS.getItem(this.keys.modelMetadata))&&(a=JSON.parse(o),e.format=a.format,e.generatedBy=a.generatedBy,e.convertedBy=a.convertedBy,e.userDefinedMetadata=a.userDefinedMetadata),null==(s=this.LS.getItem(this.keys.weightData)))throw new Error("In local storage, the binary weight values of model '"+this.modelPath+"' are missing.");return e.weightData=function(t){if(Hl){var e=i.from(t,"base64");return e.buffer.slice(e.byteOffset,e.byteOffset+e.byteLength);}for(var n=atob(t),r=new Uint8Array(n.length),o=0;o<n.length;++o){r.set([n.charCodeAt(o)],o);}return r.buffer;}(s),[2,e];});});},t.URL_SCHEME="localstorage://",t;}(),xf=function xf(t){return f().getBool("IS_BROWSER")&&!Array.isArray(t)&&t.startsWith(bf.URL_SCHEME)?(e=t.slice(bf.URL_SCHEME.length),new bf(e)):null;var e;};Jl.registerSaveRouter(xf),Jl.registerLoadRouter(xf);var wf=function(){function t(){_(f().getBool("IS_BROWSER"),function(){return "Current environment is not a web 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n=JSON.parse(this.LS.getItem(e.info)),this.LS.removeItem(e.info),this.LS.removeItem(e.topology),this.LS.removeItem(e.weightSpecs),this.LS.removeItem(e.weightData),[2,n];});});},t;}();if(f().getBool("IS_BROWSER"))try{Zl.registerManager(bf.URL_SCHEME,new wf());}catch(a){}var kf="model",Ef=".json",Cf=".weights.bin";function Af(t){return new Promise(function(t){return setTimeout(t);}).then(t);}var Of=function(){function t(e){if(!f().getBool("IS_BROWSER"))throw new Error("browserDownloads() cannot proceed because the current environment is not a browser.");e.startsWith(t.URL_SCHEME)&&(e=e.slice(t.URL_SCHEME.length)),null!=e&&0!==e.length||(e=kf),this.modelTopologyFileName=e+Ef,this.weightDataFileName=e+Cf;}return t.prototype.save=function(t){return u(this,void 0,void 0,function(){var e,n,r,i,o,a;return c(this,function(s){switch(s.label){case 0:if("undefined"==typeof document)throw new Error("Browser downloads are not supported in this environment since `document` is not present");if(e=window.URL.createObjectURL(new Blob([t.weightData],{type:"application/octet-stream"})),!(t.modelTopology instanceof ArrayBuffer))return [3,1];throw new Error("BrowserDownloads.save() does not support saving model topology in binary formats yet.");case 1:return n=[{paths:["./"+this.weightDataFileName],weights:t.weightSpecs}],r={modelTopology:t.modelTopology,format:t.format,generatedBy:t.generatedBy,convertedBy:t.convertedBy,weightsManifest:n},i=window.URL.createObjectURL(new Blob([JSON.stringify(r)],{type:"application/json"})),(o=null==this.jsonAnchor?document.createElement("a"):this.jsonAnchor).download=this.modelTopologyFileName,o.href=i,[4,Af(function(){return o.dispatchEvent(new MouseEvent("click"));})];case 2:return s.sent(),null==t.weightData?[3,4]:((a=null==this.weightDataAnchor?document.createElement("a"):this.weightDataAnchor).download=this.weightDataFileName,a.href=e,[4,Af(function(){return a.dispatchEvent(new MouseEvent("click"));})]);case 3:s.sent(),s.label=4;case 4:return [2,{modelArtifactsInfo:Yl(t)}];}});});},t.URL_SCHEME="downloads://",t;}(),_f=function(){function t(t){if(null==t||t.length<1)throw new Error("When calling browserFiles, at least 1 file is required, but received "+t);this.files=t;}return t.prototype.load=function(){return u(this,void 0,void 0,function(){var t,e,n=this;return c(this,function(r){return t=this.files[0],e=this.files.slice(1),[2,new Promise(function(r,i){var o=new FileReader();o.onload=function(o){var a=JSON.parse(o.target.result),s=a.modelTopology;if(null!=s){0===e.length&&r({modelTopology:s});var u=a.weightsManifest;if(null!=u){var c;try{c=n.checkManifestAndWeightFiles(u,e);}catch(t){return void i(t);}var l=[],f=[],h=[];u.forEach(function(t){t.paths.forEach(function(t){f.push(t),h.push(null);}),l.push.apply(l,t.weights);}),u.forEach(function(t){t.paths.forEach(function(t){var e=new FileReader();e.onload=function(e){var n=e.target.result,i=f.indexOf(t);h[i]=n,-1===h.indexOf(null)&&r({modelTopology:s,weightSpecs:l,weightData:Kl(h),format:a.format,generatedBy:a.generatedBy,convertedBy:a.convertedBy,userDefinedMetadata:a.userDefinedMetadata});},e.onerror=function(e){return i("Failed to weights data from file of path '"+t+"'.");},e.readAsArrayBuffer(c[t]);});});}else i(new Error("weightManifest field is missing from file "+t.name));}else i(new Error("modelTopology field is missing from file "+t.name));},o.onerror=function(e){return i("Failed to read model topology and weights manifest JSON from file '"+t.name+"'. BrowserFiles supports loading Keras-style tf.Model artifacts only.");},o.readAsText(t);})];});});},t.prototype.checkManifestAndWeightFiles=function(t,e){for(var n=[],r=e.map(function(t){return Xl(t.name);}),i={},o=0,a=t;o<a.length;o++){a[o].paths.forEach(function(t){var o=Xl(t);if(-1!==n.indexOf(o))throw new Error("Duplicate file basename found in weights manifest: '"+o+"'");if(n.push(o),-1===r.indexOf(o))throw new Error("Weight file with basename '"+o+"' is not provided.");i[t]=e[r.indexOf(o)];});}if(n.length!==e.length)throw new Error("Mismatch in the number of files in weights manifest ("+n.length+") and the number of weight files provided ("+e.length+").");return i;},t;}();function Sf(t,e,n,r){!function(t){_(null!=t&&Array.isArray(t)&&t.length>0,function(){return "promises must be a none empty array";});}(t),function(t,e){_(t>=0&&t<=1,function(){return "Progress fraction must be in range [0, 1], but got startFraction "+t;}),_(e>=0&&e<=1,function(){return "Progress fraction must be 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e=this;return function(n,r,i){return void 0===r&&(r=""),u(e,void 0,void 0,function(){var e,o,a,s,u,l,f,h,d,p;return c(this,function(c){switch(c.label){case 0:if(e=n.map(function(){return !1;}),o={},a=null!=i?i.map(function(){return !1;}):[],s=[],n.forEach(function(t,n){var r=0;t.weights.forEach(function(t){var u="quantization"in t?t.quantization.dtype:t.dtype,c=Vl[u]*T(t.shape),l=function l(){e[n]=!0,null==o[n]&&(o[n]=[]),o[n].push({manifestEntry:t,groupOffset:r,sizeBytes:c});};null!=i?i.forEach(function(e,n){e===t.name&&(l(),a[n]=!0);}):l(),s.push(t.name),r+=c;});}),!a.every(function(t){return t;}))throw u=i.filter(function(t,e){return !a[e];}),new Error("Could not find weights in manifest with names: "+u.join(", ")+". \nManifest JSON has weights with names: "+s.join(", ")+".");return l=e.reduce(function(t,e,n){return e&&t.push(n),t;},[]),f=[],l.forEach(function(t){n[t].paths.forEach(function(t){var e=r+(r.endsWith("/")?"":"/")+t;f.push(e);});}),[4,t(f)];case 1:return h=c.sent(),d={},p=0,l.forEach(function(t){for(var e=n[t].paths.length,r=0,i=0;i<e;i++){r+=h[p+i].byteLength;}for(var a=new ArrayBuffer(r),s=new Uint8Array(a),u=0,c=0;c<e;c++){var l=new Uint8Array(h[p+c]);s.set(l,u),u+=l.byteLength;}o[t].forEach(function(t){var e=$l(a.slice(t.groupOffset,t.groupOffset+t.sizeBytes),[t.manifestEntry]);for(var n in e){d[n]=e[n];}}),p+=e;}),[2,d];}});});};}Jl.registerSaveRouter(function(t){return f().getBool("IS_BROWSER")&&!Array.isArray(t)&&t.startsWith(Of.URL_SCHEME)?function(t){return void 0===t&&(t="model"),new Of(t);}(t.slice(Of.URL_SCHEME.length)):null;});var Tf=function(){function t(t,e){if(this.DEFAULT_METHOD="POST",null==e&&(e={}),this.weightPathPrefix=e.weightPathPrefix,this.onProgress=e.onProgress,null!=e.fetchFunc?(_("function"==typeof e.fetchFunc,function(){return "Must pass a function that matches the signature of `fetch` (see https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API)";}),this.fetch=e.fetchFunc):this.fetch=f().platform.fetch,_(null!=t&&t.length>0,function(){return "URL path for http must not be null, undefined or empty.";}),Array.isArray(t)&&_(2===t.length,function(){return "URL paths for http must have a length of 2, (actual length is "+t.length+").";}),this.path=t,null!=e.requestInit&&null!=e.requestInit.body)throw new Error("requestInit is expected to have no pre-existing body, but has one.");this.requestInit=e.requestInit||{};}return t.prototype.save=function(t){return u(this,void 0,void 0,function(){var e,n,r,i;return c(this,function(o){switch(o.label){case 0:if(t.modelTopology instanceof ArrayBuffer)throw new Error("BrowserHTTPRequest.save() does not support saving model topology in binary formats yet.");return (e=Object.assign({method:this.DEFAULT_METHOD},this.requestInit)).body=new FormData(),n=[{paths:["./model.weights.bin"],weights:t.weightSpecs}],r={modelTopology:t.modelTopology,format:t.format,generatedBy:t.generatedBy,convertedBy:t.convertedBy,userDefinedMetadata:t.userDefinedMetadata,weightsManifest:n},e.body.append("model.json",new Blob([JSON.stringify(r)],{type:"application/json"}),"model.json"),null!=t.weightData&&e.body.append("model.weights.bin",new Blob([t.weightData],{type:"application/octet-stream"}),"model.weights.bin"),[4,this.fetch(this.path,e)];case 1:if((i=o.sent()).ok)return [2,{modelArtifactsInfo:Yl(t),responses:[i]}];throw new Error("BrowserHTTPRequest.save() failed due to HTTP response status "+i.status+".");}});});},t.prototype.load=function(){return u(this,void 0,void 0,function(){var t,e,n,r,i,o,a,s,u,l,f,h;return c(this,function(c){switch(c.label){case 0:return [4,this.fetch(this.path,this.requestInit)];case 1:if(!(t=c.sent()).ok)throw new Error("Request to "+this.path+" failed with status code "+t.status+". Please verify this URL points to the model JSON of the model to load.");c.label=2;case 2:return c.trys.push([2,4,,5]),[4,t.json()];case 3:return e=c.sent(),[3,5];case 4:throw c.sent(),n="Failed to parse model JSON of response from "+this.path+".",this.path.endsWith(".pb")?n+=" Your path contains a .pb file extension. Support for .pb models have been removed in TensorFlow.js 1.0 in favor of .json models. You can re-convert your Python TensorFlow model using the TensorFlow.js 1.0 conversion scripts or you can convert your.pb models with the 'pb2json'NPM script in the tensorflow/tfjs-converter repository.":n+=" Please make sure the server is serving valid JSON for this request.",new Error(n);case 5:if(r=e.modelTopology,i=e.weightsManifest,o=e.generatedBy,a=e.convertedBy,s=e.format,u=e.userDefinedMetadata,null==r&&null==i)throw new Error("The JSON from HTTP path "+this.path+" contains neither model topology or manifest for weights.");return null==i?[3,7]:[4,this.loadWeights(i)];case 6:h=c.sent(),l=h[0],f=h[1],c.label=7;case 7:return [2,{modelTopology:r,weightSpecs:l,weightData:f,userDefinedMetadata:u,generatedBy:o,convertedBy:a,format:s}];}});});},t.prototype.loadWeights=function(t){return u(this,void 0,void 0,function(){var e,n,r,i,o,a,s,u,l,f,h;return c(this,function(c){switch(c.label){case 0:for(e=Array.isArray(this.path)?this.path[1]:this.path,n=function(t){var e=t.lastIndexOf("/"),n=t.lastIndexOf("?");return [t.substring(0,e)+"/",n>e?t.substring(n):""];}(e),r=n[0],i=n[1],o=this.weightPathPrefix||r,a=[],s=0,u=t;s<u.length;s++){l=u[s],a.push.apply(a,l.weights);}return f=[],t.forEach(function(t){t.paths.forEach(function(t){f.push(o+t+i);});}),[4,Df(f,{requestInit:this.requestInit,fetchFunc:this.fetch,onProgress:this.onProgress})];case 1:return h=c.sent(),[2,[a,Kl(h)]];}});});},t.URL_SCHEME_REGEX=/^https?:\/\//,t;}();function Nf(t){return null!=t.match(Tf.URL_SCHEME_REGEX);}var If=function If(t,e){return "undefined"==typeof fetch?null:(Array.isArray(t)?t.every(function(t){return Nf(t);}):Nf(t))?Rf(t,{onProgress:e}):null;};function Rf(t,e){return new Tf(t,e);}Jl.registerSaveRouter(If),Jl.registerLoadRouter(If);var Mf,jf=function(){function t(t){this.modelArtifacts=t;}return t.prototype.load=function(){return u(this,void 0,void 0,function(){return c(this,function(t){return [2,this.modelArtifacts];});});},t;}(),Bf=function(){function t(t){this.saveHandler=t;}return t.prototype.save=function(t){return u(this,void 0,void 0,function(){return c(this,function(e){return [2,this.saveHandler(t)];});});},t;}(),Pf=Object.freeze({browserFiles:function browserFiles(t){return new _f(t);},browserHTTPRequest:function browserHTTPRequest(t,e){return Rf(t,e);},concatenateArrayBuffers:Kl,decodeWeights:$l,encodeWeights:function encodeWeights(t,e){return u(this,void 0,void 0,function(){var n,r,i,o,a,s=this;return c(this,function(l){switch(l.label){case 0:for(n=[],r=[],i=Array.isArray(t)?t.map(function(t){return t.name;}):Object.keys(t),o=function o(_o5){var a=i[_o5],l=Array.isArray(t)?t[_o5].tensor:t[a];if("float32"!==l.dtype&&"int32"!==l.dtype&&"bool"!==l.dtype&&"string"!==l.dtype)throw new Error("Unsupported dtype in weight '"+a+"': "+l.dtype);var f={name:a,shape:l.shape,dtype:l.dtype};if("string"===l.dtype){var h=new Promise(function(t){return u(s,void 0,void 0,function(){var e,n,r,i,o,a,s;return c(this,function(u){switch(u.label){case 0:return [4,l.bytes()];case 1:for(e=u.sent(),n=e.reduce(function(t,e){return t+e.length;},0)+ql*e.length,r=new Uint8Array(n),i=0,o=0;o<e.length;o++){a=e[o],s=new Uint8Array(new Uint32Array([a.length]).buffer),r.set(s,i),i+=ql,r.set(a,i),i+=a.length;}return t(r),[2];}});});});r.push(h);}else r.push(l.data());null!=e&&(f.group=e),n.push(f);},a=0;a<i.length;++a){o(a);}return [4,Promise.all(r)];case 1:return [2,{data:function(t){if(null===t)throw new Error("Invalid input value: "+JSON.stringify(t));var e=0,n=[];t.forEach(function(t){if(e+=t.byteLength,n.push(t.byteLength===t.buffer.byteLength?t:new t.constructor(t)),!(t instanceof Float32Array||t instanceof Int32Array||t instanceof Uint8Array))throw new Error("Unsupported TypedArray subtype: "+t.constructor.name);});var r=new Uint8Array(e),i=0;return n.forEach(function(t){r.set(new Uint8Array(t.buffer),i),i+=t.byteLength;}),r.buffer;}(l.sent()),specs:n}];}});});},fromMemory:function fromMemory(t,e,n,r){return 1===arguments.length?null!=t.modelTopology||null!=t.weightSpecs?new jf(t):(console.warn("Please call tf.io.fromMemory() with only one argument. The argument should be of type ModelArtifacts. The multi-argument signature of tf.io.fromMemory() has been deprecated and will be removed in a future release."),new jf({modelTopology:t})):(console.warn("Please call tf.io.fromMemory() with only one argument. The argument should be of type ModelArtifacts. The multi-argument signature of tf.io.fromMemory() has been deprecated and will be removed in a future release."),new jf({modelTopology:t,weightSpecs:e,weightData:n,trainingConfig:r}));},getLoadHandlers:function getLoadHandlers(t,e){return Jl.getLoadHandlers(t,e);},getModelArtifactsInfoForJSON:Yl,getSaveHandlers:function getSaveHandlers(t){return Jl.getSaveHandlers(t);},http:Rf,isHTTPScheme:Nf,loadWeights:function loadWeights(t,e,n,r){return void 0===e&&(e=""),u(this,void 0,void 0,function(){return c(this,function(i){return [2,Ff(function(t){return Df(t,{requestInit:r});})(t,e,n)];});});},registerLoadRouter:function registerLoadRouter(t){return Jl.registerLoadRouter(t);},registerSaveRouter:function registerSaveRouter(t){return Jl.registerSaveRouter(t);},weightsLoaderFactory:Ff,withSaveHandler:function withSaveHandler(t){return new Bf(t);},copyModel:function copyModel(t,e){return u(this,void 0,void 0,function(){return c(this,function(n){return [2,ef(t,e,!1)];});});},listModels:function listModels(){return u(this,void 0,void 0,function(){var t,e,n,r,i,o,a;return c(this,function(s){switch(s.label){case 0:t=Zl.getSchemes(),e={},n=0,r=t,s.label=1;case 1:return n<r.length?(i=r[n],[4,Zl.getManager(i).listModels()]):[3,4];case 2:for(a in o=s.sent()){e[i+Ql+a]=o[a];}s.label=3;case 3:return n++,[3,1];case 4:return [2,e];}});});},moveModel:function moveModel(t,e){return u(this,void 0,void 0,function(){return c(this,function(n){return [2,ef(t,e,!0)];});});},removeModel:function removeModel(t){return u(this,void 0,void 0,function(){var e;return c(this,function(n){return e=tf(t),[2,Zl.getManager(e.scheme).removeModel(e.path)];});});}}),Lf=Nn({confusionMatrix_:function confusionMatrix_(t,e,n){var r=xn(t,"labels","confusionMatrix"),i=xn(e,"predictions","confusionMatrix");_(null==n||n>0&&Number.isInteger(n),function(){return "If provided, numClasses must be a positive integer, but got "+n;}),_(1===r.rank,function(){return "Expected the rank of labels to be 1, but got "+r.rank;}),_(1===i.rank,function(){return "Expected the rank of predictions to be 1, but got "+i.rank;}),_(r.shape[0]===i.shape[0],function(){return "Mismatch in the number of examples: "+r.shape[0]+" vs. "+i.shape[0]+". Labels and predictions should have the same number of elements.";}),_(n>0&&Number.isInteger(n),function(){return "numClasses is required to be a positive integer, but got "+n;});var o=Sr(r.asType("int32"),n),a=Sr(i.asType("int32"),n);return o.transpose().matMul(a).asType("int32");}}),zf=Object.freeze({confusionMatrix:Lf}),Uf=Nn({fromPixels_:function fromPixels_(t,e){if(void 0===e&&(e=3),e>4)throw new Error("Cannot construct Tensor with more than 4 channels from pixels.");if(null==t)throw new Error("pixels passed to tf.browser.fromPixels() can not be null");var n=!1,r=!1,i=!1,o=!1,a=!1;if(t.data instanceof Uint8Array)n=!0;else if("undefined"!=typeof ImageData&&t instanceof ImageData)r=!0;else if("undefined"!=typeof HTMLVideoElement&&t instanceof HTMLVideoElement)i=!0;else if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement)o=!0;else {if(null==t.getContext)throw new Error("pixels passed to tf.browser.fromPixels() must be either an HTMLVideoElement, HTMLImageElement, HTMLCanvasElement, ImageData in browser, or OffscreenCanvas, ImageData in webworker or {data: Uint32Array, width: number, height: number}, but was "+t.constructor.name);a=!0;}if(i&&i&&t.readyState<2)throw new Error("The video element has not loaded data yet. Please wait for `loadeddata` event on the <video> element.");if(null!=m("FromPixels",Wt.backendName))return Wt.runKernel("FromPixels",{pixels:t},{numChannels:e});var s,u,c=i?[t.videoWidth,t.videoHeight]:[t.width,t.height],l=c[0],f=c[1];if(a?s=t.getContext("2d").getImageData(0,0,l,f).data:r||n?s=t.data:(o||i)&&(null==Mf&&(Mf=document.createElement("canvas").getContext("2d")),Mf.canvas.width=l,Mf.canvas.height=f,Mf.drawImage(t,0,0,l,f),s=Mf.getImageData(0,0,l,f).data),4===e)u=new Int32Array(s);else {var h=l*f;u=new Int32Array(h*e);for(var d=0;d<h;d++){for(var p=0;p<e;++p){u[d*e+p]=s[4*d+p];}}}return Un(u,[f,l,e],"int32");}}),Wf=Object.freeze({toPixels:function toPixels(t,e){return u(this,void 0,void 0,function(){var n,r,i,o,a,s,u,l,f,h,d,p,m,g,v,y,b,x,w,k,E,C,A;return c(this,function(c){switch(c.label){case 0:if(n=xn(t,"img","toPixels"),t instanceof At||(n=n.toInt()),2!==n.rank&&3!==n.rank)throw new Error("toPixels only supports rank 2 or 3 tensors, got rank "+n.rank+".");if(r=n.shape.slice(0,2),i=r[0],o=r[1],(a=2===n.rank?1:n.shape[2])>4||2===a)throw new Error("toPixels only supports depth of size 1, 3 or 4 but got "+a);return [4,n.data()];case 1:return s=c.sent(),u=n.min(),l=n.max(),[4,Promise.all([u.data(),l.data()])];case 2:if(f=c.sent(),h=f[0],d=f[1],p=h[0],m=d[0],u.dispose(),l.dispose(),"float32"===n.dtype){if(p<0||m>1)throw new Error("Tensor values for a float32 Tensor must be in the range [0 - 1] but got range ["+p+" - "+m+"].");}else {if("int32"!==n.dtype)throw new Error("Unsupported type for toPixels: "+n.dtype+". Please use float32 or int32 tensors.");if(p<0||m>255)throw new Error("Tensor values for a int32 Tensor must be in the range [0 - 255] but got range ["+p+" - "+m+"].");}for(g="float32"===n.dtype?255:1,v=new Uint8ClampedArray(o*i*4),y=0;y<i*o;++y){b=void 0,x=void 0,w=void 0,k=void 0,1===a?(b=s[y]*g,x=s[y]*g,w=s[y]*g,k=255):3===a?(b=s[3*y]*g,x=s[3*y+1]*g,w=s[3*y+2]*g,k=255):4===a&&(b=s[4*y]*g,x=s[4*y+1]*g,w=s[4*y+2]*g,k=s[4*y+3]*g),v[0+(E=4*y)]=Math.round(b),v[E+1]=Math.round(x),v[E+2]=Math.round(w),v[E+3]=Math.round(k);}return null!=e&&(e.width=o,e.height=i,C=e.getContext("2d"),A=new ImageData(v,o,i),C.putImageData(A,0,0)),n!==t&&n.dispose(),[2,v];}});});},fromPixels:Uf}),Vf=function(){function t(){}return t.prototype.getClassName=function(){return this.constructor.className;},t.fromConfig=function(t,e){return new t(e);},t;}(),qf=function(){function t(){this.classNameMap={};}return t.getMap=function(){return null==t.instance&&(t.instance=new t()),t.instance;},t.register=function(e){t.getMap().classNameMap[e.className]=[e,e.fromConfig];},t;}();function $f(t){_(null!=t.className,function(){return "Class being registered does not have the static className property defined.";}),_("string"==typeof t.className,function(){return "className is required to be a string, but got type "+_typeof$1(t.className);}),_(t.className.length>0,function(){return "Class being registered has an empty-string as its className, which is disallowed.";}),qf.register(t);}var Hf=Object.freeze({Serializable:Vf,SerializationMap:qf,registerClass:$f}),Gf=.001,Kf=.1;function Xf(){return 32===Wt.backend.floatPrecision()?Gf:Kf;}function Yf(t,e,n){var r=!0;if((H(t)||H(e))&&(r=!1),H(t)&&H(e)&&(r=!0),r){var i=t.constructor.name,o=e.constructor.name;if(i!==o)throw new Error("Arrays are of different type. 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t==e;}):Yf(t,e,function(t,e){return Jf(t,e,0);});},expectNumbersClose:function expectNumbersClose(t,e,n){if(null==n&&(n=Xf()),!Jf(t,e,n))throw new Error("Numbers differ: actual === "+t+", expected === "+e);},expectValuesInRange:function expectValuesInRange(t,e,n){for(var r=0;r<t.length;r++){if(t[r]<e||t[r]>n)throw new Error("Value out of range:"+t[r]+" low: "+e+", high: "+n);}},expectArrayBuffersEqual:function expectArrayBuffersEqual(t,e){expect(new Float32Array(t)).toEqual(new Float32Array(e));}}),Zf="1.7.0",th=Object.freeze({gpgpu_util:ia,webgl_util:Ge,forceHalfFloat:function forceHalfFloat(){f().set("WEBGL_FORCE_F16_TEXTURES",!0);},MathBackendWebGL:Ua,setWebGLContext:Yt,GPGPUContext:oa}),eh=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return s(e,t),e.prototype.minimize=function(t,e,n){void 0===e&&(e=!1);var r=this.computeGradients(t,n),i=r.value,o=r.grads;if(null!=n){var a=n.map(function(t){return {name:t.name,tensor:o[t.name]};});this.applyGradients(a);}else this.applyGradients(o);return on(o),e?i:(i.dispose(),null);},Object.defineProperty(e.prototype,"iterations",{get:function get(){return null==this.iterations_&&(this.iterations_=0),this.iterations_;},enumerable:!0,configurable:!0}),e.prototype.incrementIterations=function(){this.iterations_=this.iterations+1;},e.prototype.computeGradients=function(t,e){return vi(t,e);},e.prototype.dispose=function(){null!=this.iterations_&&on(this.iterations_);},e.prototype.saveIterations=function(){return u(this,void 0,void 0,function(){return c(this,function(t){return null==this.iterations_&&(this.iterations_=0),[2,{name:"iter",tensor:Pn(this.iterations_,"int32")}];});});},e.prototype.getWeights=function(){return u(this,void 0,void 0,function(){return c(this,function(t){throw new Error("getWeights() is not implemented for this optimizer yet.");});});},e.prototype.setWeights=function(t){return u(this,void 0,void 0,function(){return c(this,function(t){throw new Error("setWeights() is not implemented for this optimizer class "+this.getClassName());});});},e.prototype.extractIterations=function(t){return u(this,void 0,void 0,function(){var e;return c(this,function(n){switch(n.label){case 0:return e=this,[4,t[0].tensor.data()];case 1:return e.iterations_=n.sent()[0],[2,t.slice(1)];}});});},e;}(Vf);Object.defineProperty(eh,Symbol.hasInstance,{value:function value(t){return null!=t.minimize&&null!=t.computeGradients&&null!=t.applyGradients;}});var nh=function(t){function e(e,n,r){void 0===r&&(r=null);var i=t.call(this)||this;return i.learningRate=e,i.rho=n,i.epsilon=r,i.accumulatedGrads=[],i.accumulatedUpdates=[],null==r&&(i.epsilon=Wt.backend.epsilon()),i;}return s(e,t),e.prototype.applyGradients=function(t){var e=this;(Array.isArray(t)?t.map(function(t){return t.name;}):Object.keys(t)).forEach(function(n,r){var i=Wt.registeredVariables[n];null==e.accumulatedGrads[r]&&(e.accumulatedGrads[r]={originalName:n+"/accum_grad",variable:rn(function(){return Qn(i).variable(!1);})}),null==e.accumulatedUpdates[r]&&(e.accumulatedUpdates[r]={originalName:n+"/accum_var",variable:rn(function(){return Qn(i).variable(!1);})});var o=Array.isArray(t)?t[r].tensor:t[n];if(null!=o){var a=e.accumulatedGrads[r].variable,s=e.accumulatedUpdates[r].variable;rn(function(){var t=a.mul(e.rho).add(o.square().mul(1-e.rho)),n=s.add(e.epsilon).sqrt().div(a.add(e.epsilon).sqrt()).mul(o),r=s.mul(e.rho).add(n.square().mul(1-e.rho));a.assign(t),s.assign(r);var u=n.mul(-e.learningRate).add(i);i.assign(u);});}}),this.incrementIterations();},e.prototype.dispose=function(){null!=this.accumulatedUpdates&&(on(this.accumulatedGrads.map(function(t){return t.variable;})),on(this.accumulatedUpdates.map(function(t){return t.variable;})));},e.prototype.getWeights=function(){return u(this,void 0,void 0,function(){var t;return c(this,function(e){switch(e.label){case 0:return t=this.accumulatedGrads.concat(this.accumulatedUpdates),[4,this.saveIterations()];case 1:return [2,[e.sent()].concat(t.map(function(t){return {name:t.originalName,tensor:t.variable};}))];}});});},e.prototype.setWeights=function(t){return u(this,void 0,void 0,function(){var e;return c(this,function(n){switch(n.label){case 0:return [4,this.extractIterations(t)];case 1:return t=n.sent(),e=t.length/2,this.accumulatedGrads=t.slice(0,e).map(function(t){return {originalName:t.name,variable:t.tensor.variable(!1)};}),this.accumulatedUpdates=t.slice(e,2*e).map(function(t){return {originalName:t.name,variable:t.tensor.variable(!1)};}),[2];}});});},e.prototype.getConfig=function(){return {learningRate:this.learningRate,rho:this.rho,epsilon:this.epsilon};},e.fromConfig=function(t,e){return new t(e.learningRate,e.rho,e.epsilon);},e.className="Adadelta",e;}(eh);$f(nh);var rh=function(t){function e(e,n){void 0===n&&(n=.1);var r=t.call(this)||this;return 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Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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[Object(o.sign)(d("x",t,e,n))];case"Sinh":return [Object(o.sinh)(d("x",t,e,n))];case"Softplus":return [Object(o.softplus)(d("x",t,e,n))];case"Sqrt":return [Object(o.sqrt)(d("x",t,e,n))];case"Square":return [Object(o.square)(d("x",t,e,n))];case"Tanh":return [Object(o.tanh)(d("x",t,e,n))];case"Tan":return [Object(o.tan)(d("x",t,e,n))];case"Relu6":case"ClipByValue":return [Object(o.clipByValue)(d("x",t,e,n),d("clipValueMin",t,e,n),d("clipValueMax",t,e,n))];case"Rsqrt":return [Object(o.rsqrt)(p(t.inputNames[0],e,n))];case"Prod":return [Object(o.prod)(d("x",t,e,n),d("axes",t,e,n))];case"LeakyRelu":return [Object(o.leakyRelu)(d("x",t,e,n),d("alpha",t,e,n))];case"Prelu":return [Object(o.prelu)(d("x",t,e,n),d("alpha",t,e,n))];default:throw TypeError("Node type "+t.op+" is not implemented");}},Q=function(){function 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this.clearAfterRead&&(e.cleared=!0),e.read=!0,e.tensor;},t.prototype.readMany=function(t){var e=this;return t.map(function(t){return e.read(t);});},t.prototype.write=function(t,e){if(this.closed_)throw new Error("TensorArray "+this.name+" has already been closed.");if(t<0||!this.dynamicSize&&t>=this.maxSize)throw new Error("Tried to write to index "+t+", but array is not resizeable and size is: "+this.maxSize);var n=this.tensors[t]||{};if(e.dtype!==this.dtype)throw new Error("TensorArray "+this.name+": Could not write to TensorArray index "+t+",\n          because the value dtype is "+e.dtype+", but TensorArray dtype is "+this.dtype+".");if(0!==this.size()||null!=this.elementShape&&0!==this.elementShape.length||(this.elementShape=e.shape),this.assertShapesMatchAllowUndefinedSize(this.elementShape,e.shape,"TensorArray "+this.name+": Could not write to TensorArray index "+t+"."),n&&n.read)throw new Error("TensorArray "+this.name+": Could not write to TensorArray index "+t+", because it has already been read.");if(n&&n.written)throw new Error("TensorArray "+this.name+": Could not write to TensorArray index "+t+", because it has already been written.");n.tensor=e,n.written=!0,this.tensors[t]=n;},t.prototype.writeMany=function(t,e){var n=this;if(t.length!==e.length)throw new Error("TensorArray "+this.name+": could not write multiple tensors,because the index size: "+t.length+" is not the same as tensors size: "+e.length+".");t.forEach(function(t,r){return n.write(t,e[r]);});},t.prototype.gather=function(t,e){if(e&&e!==this.dtype)throw new Error("TensorArray dtype is "+this.dtype+" but gather requested dtype "+e);if(!t){t=[];for(var n=0;n<this.size();n++){t.push(n);}}if(0===t.length)return Object(o.tensor)([],[0].concat(this.elementShape));var r=this.readMany(t);return this.assertShapesMatchAllowUndefinedSize(this.elementShape,r[0].shape,"TensorArray shape mismatch: "),Object(o.stack)(r,0);},t.prototype.concat=function(t){if(t&&t!==this.dtype)throw new Error("TensorArray 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tensor has dtype "+e.dtype);var r=0,i=t.map(function(t){return r+=t;});if(r!==e.shape[0])throw new Error("Expected sum of lengths to be equal to\n          tensor.shape[0], but sum of lengths is\n        "+r+", and tensor's shape is: "+e.shape);if(!this.dynamicSize&&t.length!==this.maxSize)throw new Error("TensorArray's size is not equal to the size of lengths ("+this.maxSize+" vs. "+t.length+"), and the TensorArray is not marked as dynamically resizeable");var a=0===r?0:e.size/r,s=[];Object(o.tidy)(function(){e=e.reshape([1,r,a]);for(var u=0;u<t.length;++u){var c=[0,0===u?0:i[u-1],0],l=[1,t[u],a];s[u]=Object(o.slice)(e,c,l).reshape(n.elementShape);}return s;});for(var u=[],c=0;c<t.length;c++){u[c]=c;}this.writeMany(u,s);},t.prototype.assertShapesMatchAllowUndefinedSize=function(t,e,n){void 0===n&&(n=""),o.util.assert(this.shapesEqualAllowUndefinedSize(t,e),function(){return n+" Shapes "+t+" and "+e+" must match";});},t.prototype.shapesEqualAllowUndefinedSize=function(t,e){if(t.length!==e.length)return !1;for(var n=0;n<t.length;n++){if(-1!==t[n]&&-1!==e[n]&&t[n]!==e[n])return !1;}return !0;},t.nextId=0,t;}(),Z=function Z(t,e,n){return s(void 0,void 0,void 0,function(){var r,i,a,s,c,l,f,h,m,g,v,y,b,x,w,k,E,C,A,O,_,S,D,F,T,N,I,R,M,j,B,P,L,z,U;return u(this,function(u){switch(u.label){case 0:switch(t.op){case"LoopCond":return [3,1];case"Switch":return [3,2];case"Merge":return [3,4];case"Enter":return [3,5];case"Exit":return [3,6];case"NextIteration":return [3,7];case"TensorArrayV3":return [3,8];case"TensorArrayWriteV3":return [3,9];case"TensorArrayReadV3":return [3,10];case"TensorArrayGatherV3":return [3,11];case"TensorArrayScatterV3":return [3,12];case"TensorArrayConcatV3":return [3,13];case"TensorArraySplitV3":return [3,14];case"TensorArraySizeV3":return [3,15];case"TensorArrayCloseV3":return [3,16];}return [3,17];case 1:return [2,[d("pred",t,e,n).clone()]];case 2:return r=d("pred",t,e,n),i=d("data",t,e,n),[4,r.data()];case 3:return [2,u.sent()[0]?[void 0,i.clone()]:[i.clone(),void 0]];case 4:return [2,(a=t.inputNames.find(function(t){return void 0!==p(t,e,n);}))?[p(a,e,n).clone()]:void 0];case 5:return s=d("frameName",t,e,n),c=d("tensor",t,e,n),n.enterFrame(s),[2,[c.clone()]];case 6:return l=d("tensor",t,e,n),n.exitFrame(),[2,[l.clone()]];case 7:return f=d("tensor",t,e,n),n.nextIteration(),[2,[f.clone()]];case 8:return h=d("size",t,e,n),m=d("dtype",t,e,n),g=d("elementShape",t,e,n),v=d("dynamicSize",t,e,n),y=d("clearAfterRead",t,e,n),b=d("identicalElementShapes",t,e,n),x=d("name",t,e,n),w=new Q(x,m,h,g,b,v,y),n.addTensorArray(w),[2,[Object(o.scalar)(w.id),Object(o.scalar)(1)]];case 9:return k=d("tensorArrayId",t,e,n),E=d("index",t,e,n),C=d("tensor",t,e,n),n.getTensorArray(k).write(E,C),[2,[Object(o.scalar)(1)]];case 10:return A=d("tensorArrayId",t,e,n),O=d("index",t,e,n),[2,[n.getTensorArray(A).read(O)]];case 11:return _=d("tensorArrayId",t,e,n),S=d("indices",t,e,n),D=d("dtype",t,e,n),[2,[n.getTensorArray(_).gather(S,D)]];case 12:return F=d("tensorArrayId",t,e,n),T=d("indices",t,e,n),N=d("tensor",t,e,n),n.getTensorArray(F).scatter(T,N),[2,[Object(o.scalar)(1)]];case 13:return I=d("tensorArrayId",t,e,n),R=n.getTensorArray(I),M=d("dtype",t,e,n),[2,[R.concat(M)]];case 14:return j=d("tensorArrayId",t,e,n),B=d("tensor",t,e,n),P=d("lengths",t,e,n),n.getTensorArray(j).split(P,B),[2,[Object(o.scalar)(1)]];case 15:return L=d("tensorArrayId",t,e,n),z=n.getTensorArray(L),[2,[Object(o.scalar)(z.size(),"int32")]];case 16:return U=d("tensorArrayId",t,e,n),n.getTensorArray(U).clearAndClose(),[2,[Object(o.scalar)(0)]];case 17:throw TypeError("Node type "+t.op+" is not implemented");}});});},tt=function tt(t,e,n){switch(t.op){case"Conv1D":var r=d("stride",t,e,n),i=d("pad",t,e,n),a=d("dataFormat",t,e,n).toUpperCase(),s=d("dilation",t,e,n);return [Object(o.conv1d)(d("x",t,e,n),d("filter",t,e,n),r,i,a,s)];case"Conv2D":r=d("strides",t,e,n),i=d("pad",t,e,n),a=d("dataFormat",t,e,n).toUpperCase();var u=d("dilations",t,e,n);return [Object(o.conv2d)(d("x",t,e,n),d("filter",t,e,n),[r[1],r[2]],i,a,[u[1],u[2]])];case"_FusedConv2D":case"FusedDepthwiseConv2dNative":var c=d("fusedOps",t,e,n),l=c[0],f=c[1],h="biasadd"===l,p="prelu"===f,m="fusedbatchnorm"===l,g=d("numArgs",t,e,n);if(h){if(p&&2!==g)throw new Error("FusedConv2d and DepthwiseConv2d with BiasAdd and Prelu must have two extra arguments: bias and alpha.");if(!p&&1!==g)throw new Error("FusedConv2d and DepthwiseConv2d with BiasAdd must have one extra argument: bias.");}if(m)throw new Error("FusedConv2d and DepthwiseConv2d with FusedBatchNorm is not supported.");r=d("strides",t,e,n),i=d("pad",t,e,n),a=d("dataFormat",t,e,n).toUpperCase(),u=d("dilations",t,e,n);var v=d("args",t,e,n),y=v[0],b=v[1];return [("_FusedConv2D"===t.op?o.fused.conv2d:o.fused.depthwiseConv2d)({x:d("x",t,e,n),filter:d("filter",t,e,n),strides:[r[1],r[2]],pad:i,dataFormat:a,dilations:[u[1],u[2]],bias:y,activation:f,preluActivationWeights:b})];case"Conv2DBackpropInput":case"Conv2dTranspose":var x=d("outputShape",t,e,n);return r=d("strides",t,e,n),i=d("pad",t,e,n),[Object(o.conv2dTranspose)(d("x",t,e,n),d("filter",t,e,n),x,[r[1],r[2]],i)];case"DepthwiseConv2dNative":case"DepthwiseConv2d":return r=d("strides",t,e,n),i=d("pad",t,e,n),u=d("dilations",t,e,n),a=d("dataFormat",t,e,n).toUpperCase(),[Object(o.depthwiseConv2d)(d("input",t,e,n),d("filter",t,e,n),[r[1],r[2]],i,a,[u[1],u[2]])];case"Conv3D":return r=d("strides",t,e,n),i=d("pad",t,e,n),a=d("dataFormat",t,e,n).toUpperCase(),u=d("dilations",t,e,n),[Object(o.conv3d)(d("x",t,e,n),d("filter",t,e,n),[r[1],r[2],r[3]],i,a,[u[1],u[2],u[3]])];case"AvgPool":r=d("strides",t,e,n),i=d("pad",t,e,n);var w=d("kernelSize",t,e,n);return [Object(o.avgPool)(d("x",t,e,n),[w[1],w[2]],[r[1],r[2]],i)];case"MaxPool":return r=d("strides",t,e,n),i=d("pad",t,e,n),w=d("kernelSize",t,e,n),[Object(o.maxPool)(d("x",t,e,n),[w[1],w[2]],[r[1],r[2]],i)];case"MaxPoolWithArgmax":r=d("strides",t,e,n),i=d("pad",t,e,n),w=d("kernelSize",t,e,n);var k=d("includeBatchInIndex",t,e,n),E=Object(o.maxPoolWithArgmax)(d("x",t,e,n),[w[1],w[2]],[r[1],r[2]],i,k);return [E.result,E.indexes];case"AvgPool3D":return r=d("strides",t,e,n),i=d("pad",t,e,n),w=d("kernelSize",t,e,n),[Object(o.avgPool3d)(d("x",t,e,n),[w[1],w[2],w[3]],[r[1],r[2],r[3]],i)];case"MaxPool3D":return r=d("strides",t,e,n),i=d("pad",t,e,n),w=d("kernelSize",t,e,n),[Object(o.maxPool3d)(d("x",t,e,n),[w[1],w[2],w[3]],[r[1],r[2],r[3]],i)];default:throw TypeError("Node type "+t.op+" is not implemented");}},et=function et(t,e,n){switch(t.op){case"Fill":var r=d("shape",t,e,n),i=d("dtype",t,e,n),a=d("value",t,e,n);return [Object(o.fill)(r,a,i)];case"LinSpace":var s=d("start",t,e,n),u=d("stop",t,e,n),c=d("num",t,e,n);return [Object(o.linspace)(s,u,c)];case"Multinomial":var l=d("logits",t,e,n),f=d("numSamples",t,e,n),h=d("seed",t,e,n);return [Object(o.multinomial)(l,f,h)];case"OneHot":var p=d("indices",t,e,n),m=d("depth",t,e,n),g=d("onValue",t,e,n),v=d("offValue",t,e,n);return [Object(o.oneHot)(p,m,g,v)];case"Ones":return [Object(o.ones)(d("shape",t,e,n),d("dtype",t,e,n))];case"OnesLike":return [Object(o.onesLike)(d("x",t,e,n))];case"RandomUniform":return [Object(o.randomUniform)(d("shape",t,e,n),d("minval",t,e,n),d("maxval",t,e,n),d("dtype",t,e,n))];case"Range":s=d("start",t,e,n);var y=d("stop",t,e,n),b=d("step",t,e,n);return [Object(o.range)(s,y,b,d("dtype",t,e,n))];case"TruncatedNormal":r=d("shape",t,e,n);var x=d("mean",t,e,n),w=d("stdDev",t,e,n);return h=d("seed",t,e,n),[Object(o.truncatedNormal)(r,x,w,d("dtype",t,e,n),h)];case"Zeros":return [Object(o.zeros)(d("shape",t,e,n),d("dtype",t,e,n))];case"ZerosLike":return [Object(o.zerosLike)(d("x",t,e,n))];default:throw TypeError("Node type "+t.op+" is not implemented");}},nt=function nt(t,e,n){return s(void 0,void 0,void 0,function(){var r,i,a,s,c,l,f,h;return u(this,function(u){switch(u.label){case 0:switch(t.op){case"NonMaxSuppressionV5":case"NonMaxSuppressionV3":case"NonMaxSuppressionV2":return [3,1];case"Where":return [3,5];case"ListDiff":return [3,7];}return [3,8];case 1:return r=d("boxes",t,e,n),i=d("scores",t,e,n),a=d("maxOutputSize",t,e,n),s=d("iouThreshold",t,e,n),c=d("scoreThreshold",t,e,n),"NonMaxSuppressionV5"!==t.op?[3,3]:(l=d("softNmsSigma",t,e,n),[4,o.image.nonMaxSuppressionWithScoreAsync(r,i,a,s,c,l)]);case 2:return [2,[(h=u.sent()).selectedIndices,h.selectedScores]];case 3:return [4,o.image.nonMaxSuppressionAsync(r,i,a,s,c)];case 4:return [2,[u.sent()]];case 5:return f=d("condition",t,e,n).asType("bool"),[4,Object(o.whereAsync)(f)];case 6:return h=[u.sent()],f.dispose(),[2,h];case 7:return [2,Object(o.setdiff1dAsync)(d("x",t,e,n),d("y",t,e,n))];case 8:throw TypeError("Node type "+t.op+" is not implemented");}});});},rt=function rt(t,e,n){switch(t.op){case"TopKV2":var r=d("x",t,e,n),i=d("k",t,e,n),a=d("sorted",t,e,n),s=Object(o.topk)(r,i,a);return [s.values,s.indices];default:throw TypeError("Node type "+t.op+" is not implemented");}},it=function it(t,e,n){switch(t.op){case"Const":return e[t.name];case"PlaceholderWithDefault":var r=d("default",t,e,n);return [p(t.name,e,n)||r];case"Placeholder":return [p(t.name,e,n)];case"Identity":case"StopGradient":case"FakeQuantWithMinMaxVars":return [d("x",t,e,n).clone()];case"IdentityN":return d("x",t,e,n).map(function(t){return t.clone();});case"Snapshot":return [d("x",t,e,n).clone()];case"Shape":return [Object(o.tensor1d)(d("x",t,e,n).shape,"int32")];case"ShapeN":return d("x",t,e,n).map(function(t){return Object(o.tensor1d)(t.shape);});case"Size":return [Object(o.scalar)(d("x",t,e,n).size,"int32")];case"Rank":return [Object(o.scalar)(d("x",t,e,n).rank,"int32")];case"NoOp":return [Object(o.scalar)(1)];case"Print":var i=d("x",t,e,n),a=d("data",t,e,n),s=d("message",t,e,n),u=d("summarize",t,e,n);console.warn("The graph has a tf.print() operation,usually used for debugging, which slows down performance."),console.log(s);for(var c=0;c<a.length;c++){console.log(Array.prototype.slice.call(a[c].dataSync()).slice(0,u));}return [i];default:throw TypeError("Node type "+t.op+" is not implemented");}},ot=function ot(t,e,n){switch(t.op){case"ResizeBilinear":var r=d("images",t,e,n),i=d("size",t,e,n),a=d("alignCorners",t,e,n);return [o.image.resizeBilinear(r,[i[0],i[1]],a)];case"ResizeNearestNeighbor":return r=d("images",t,e,n),i=d("size",t,e,n),a=d("alignCorners",t,e,n),[o.image.resizeNearestNeighbor(r,[i[0],i[1]],a)];case"CropAndResize":var s=d("image",t,e,n),u=d("boxes",t,e,n),c=d("boxInd",t,e,n),l=d("cropSize",t,e,n),f=d("method",t,e,n),h=d("extrapolationValue",t,e,n);return [o.image.cropAndResize(s,u,c,l,f,h)];default:throw TypeError("Node type "+t.op+" is not implemented");}},at=function at(t,e,n){switch(t.op){case"Equal":return [Object(o.equal)(d("a",t,e,n),d("b",t,e,n))];case"NotEqual":return [Object(o.notEqual)(d("a",t,e,n),d("b",t,e,n))];case"Greater":return [Object(o.greater)(d("a",t,e,n),d("b",t,e,n))];case"GreaterEqual":return [Object(o.greaterEqual)(d("a",t,e,n),d("b",t,e,n))];case"Less":return [Object(o.less)(d("a",t,e,n),d("b",t,e,n))];case"LessEqual":return [Object(o.lessEqual)(d("a",t,e,n),d("b",t,e,n))];case"LogicalAnd":return [Object(o.logicalAnd)(d("a",t,e,n),d("b",t,e,n))];case"LogicalNot":return [Object(o.logicalNot)(d("a",t,e,n))];case"LogicalOr":return [Object(o.logicalOr)(d("a",t,e,n),d("b",t,e,n))];case"Select":case"SelectV2":return [Object(o.where)(d("condition",t,e,n),d("a",t,e,n),d("b",t,e,n))];default:throw TypeError("Node type "+t.op+" is not implemented");}},st=function st(t,e,n){switch(t.op){case"BatchMatMul":case"BatchMatMulV2":case"MatMul":return [Object(o.matMul)(d("a",t,e,n),d("b",t,e,n),d("transposeA",t,e,n),d("transposeB",t,e,n))];case"Transpose":return [Object(o.transpose)(d("x",t,e,n),d("perm",t,e,n))];case"_FusedMatMul":var r=d("fusedOps",t,e,n),i=r[0],a=r[1],s="biasadd"===i,u="prelu"===a,c=d("numArgs",t,e,n);if(s){if(u&&2!==c)throw new Error("Fused MatMul with BiasAdd and Prelu must have two extra arguments: bias and alpha.");if(!u&&1!==c)throw new Error("Fused MatMul with BiasAdd must have one extra argument: bias.");}var l=d("args",t,e,n),f=l[0],h=l[1];return [o.fused.matMul({a:d("a",t,e,n),b:d("b",t,e,n),transposeA:d("transposeA",t,e,n),transposeB:d("transposeB",t,e,n),bias:f,activation:a,preluActivationWeights:h})];default:throw TypeError("Node type "+t.op+" is not implemented");}},ut=function ut(t,e,n){switch(t.op){case"FusedBatchNorm":case"FusedBatchNormV2":case"FusedBatchNormV3":return [Object(o.batchNorm)(d("x",t,e,n),d("mean",t,e,n),d("variance",t,e,n),d("offset",t,e,n),d("scale",t,e,n),d("epsilon",t,e,n))];case"LRN":return [Object(o.localResponseNormalization)(d("x",t,e,n),d("radius",t,e,n),d("bias",t,e,n),d("alpha",t,e,n),d("beta",t,e,n))];case"Softmax":return [Object(o.softmax)(d("x",t,e,n))];case"LogSoftmax":return [Object(o.logSoftmax)(d("x",t,e,n))];case"SparseToDense":return [Object(o.sparseToDense)(d("sparseIndices",t,e,n),d("outputShape",t,e,n),d("sparseValues",t,e,n),d("defaultValue",t,e,n))];default:throw TypeError("Node type "+t.op+" is not implemented");}},ct=function ct(t,e,n){switch(t.op){case"Max":var r=d("axis",t,e,n),i=d("keepDims",t,e,n);return [Object(o.max)(d("x",t,e,n),r,i)];case"Mean":return r=d("axis",t,e,n),i=d("keepDims",t,e,n),[Object(o.mean)(d("x",t,e,n),r,i)];case"Min":return r=d("axis",t,e,n),i=d("keepDims",t,e,n),[Object(o.min)(d("x",t,e,n),r,i)];case"Sum":return r=d("axis",t,e,n),i=d("keepDims",t,e,n),[Object(o.sum)(d("x",t,e,n),r,i)];case"All":return r=d("axis",t,e,n),i=d("keepDims",t,e,n),[Object(o.all)(d("x",t,e,n),r,i)];case"Any":return r=d("axis",t,e,n),i=d("keepDims",t,e,n),[Object(o.any)(d("x",t,e,n),r,i)];case"ArgMax":return r=d("axis",t,e,n),[Object(o.argMax)(d("x",t,e,n),r)];case"ArgMin":return r=d("axis",t,e,n),[Object(o.argMin)(d("x",t,e,n),r)];case"Prod":return r=d("axis",t,e,n),i=d("keepDims",t,e,n),[Object(o.prod)(d("x",t,e,n),r,i)];default:throw TypeError("Node type "+t.op+" is not implemented");}},lt=function lt(t,e,n){switch(t.op){case"ConcatV2":case"Concat":var r=d("n",t,e,n),i=d("axis",t,e,n),a=d("tensors",t,e,n);return a=a.slice(0,r),[Object(o.concat)(a,i)];case"GatherV2":case"Gather":i=d("axis",t,e,n);var s=d("x",t,e,n),u=d("indices",t,e,n);return [Object(o.gather)(s,u.asType("int32"),i)];case"ReverseV2":case"Reverse":return i=d("axis",t,e,n),s=d("x",t,e,n),[Object(o.reverse)(s,i)];case"Slice":var c=d("begin",t,e,n),l=d("size",t,e,n);return [Object(o.slice)(d("x",t,e,n),c,l)];case"StridedSlice":c=d("begin",t,e,n);var f=d("end",t,e,n),h=d("strides",t,e,n),p=d("beginMask",t,e,n),m=d("endMask",t,e,n),g=d("ellipsisMask",t,e,n),v=d("newAxisMask",t,e,n),y=d("shrinkAxisMask",t,e,n),b=d("x",t,e,n);if(1===c.length&&b.shape.length>1)for(var x=1;x<b.shape.length;x++){c.push(0),f.push(b.shape[x]),h.push(h[0]);}return [Object(o.stridedSlice)(b,c,f,h,p,m,g,v,y)];case"Pack":return Object(o.tidy)(function(){var r=d("axis",t,e,n),i=d("tensors",t,e,n),a=i[0].shape,s=i[0].squeeze().shape,u=i.map(function(t){var e=o.util.arraysEqual(t.shape,a);if(!e&&!o.util.arraysEqual(t.squeeze().shape,s))throw new Error("the input tensors shape does not match");return e?t:t.reshape(a);});return [Object(o.stack)(u,r)];});case"Unpack":return Object(o.tidy)(function(){var r=d("axis",t,e,n),i=d("tensor",t,e,n);return Object(o.unstack)(i,r);});case"Tile":var w=d("reps",t,e,n);return [Object(o.tile)(d("x",t,e,n),w)];case"Split":case"SplitV":i=d("axis",t,e,n);var k=d("numOrSizeSplits",t,e,n);return Object(o.split)(d("x",t,e,n),k,i);case"ScatterNd":u=d("indices",t,e,n);var E=d("values",t,e,n),C=d("shape",t,e,n);return [Object(o.scatterND)(u,E,C)];case"GatherNd":var A=d("x",t,e,n);return u=d("indices",t,e,n),[Object(o.gatherND)(A,u)];case"SparseToDense":u=d("sparseIndices",t,e,n),C=d("outputShape",t,e,n);var O=d("sparseValues",t,e,n),_=d("defaultValue",t,e,n);return [Object(o.sparseToDense)(u,O,C,O.dtype===_.dtype?_:_.asType(O.dtype))];default:throw TypeError("Node type "+t.op+" is not implemented");}},ft=function ft(t,e,n){switch(t.op){case"FFT":return [Object(o.fft)(d("x",t,e,n))];case"IFFT":return [Object(o.ifft)(d("x",t,e,n))];case"RFFT":return [Object(o.rfft)(d("x",t,e,n))];case"IRFFT":return [Object(o.irfft)(d("x",t,e,n))];default:throw TypeError("Node type "+t.op+" is not implemented");}},ht=function ht(t,e,n){switch(t.op){case"Cast":return [Object(o.cast)(d("x",t,e,n),d("dtype",t,e,n))];case"ExpandDims":var r=d("axis",t,e,n);return [Object(o.expandDims)(d("x",t,e,n),r)];case"Squeeze":return r=d("axis",t,e,n),[Object(o.squeeze)(d("x",t,e,n),r)];case"Reshape":return [Object(o.reshape)(d("x",t,e,n),d("shape",t,e,n))];case"PadV2":case"Pad":return [Object(o.pad)(d("x",t,e,n),y(d("padding",t,e,n),2),d("constantValue",t,e,n))];case"SpaceToBatchND":var i=d("blockShape",t,e,n),a=y(d("paddings",t,e,n),2);return [Object(o.spaceToBatchND)(d("x",t,e,n),i,a)];case"BatchToSpaceND":i=d("blockShape",t,e,n);var s=y(d("crops",t,e,n),2);return [Object(o.batchToSpaceND)(d("x",t,e,n),i,s)];case"DepthToSpace":var u=d("blockSize",t,e,n),c=d("dataFormat",t,e,n).toUpperCase();return [Object(o.depthToSpace)(d("x",t,e,n),u,c)];default:throw TypeError("Node type "+t.op+" is not implemented");}};function dt(t,e,n){var r=function(t,e,n){switch(t.category){case"arithmetic":return Object(o.tidy)(function(){return Y(t,e,n);});case"basic_math":return Object(o.tidy)(function(){return J(t,e,n);});case"control":return Z(t,e,n);case"convolution":return Object(o.tidy)(function(){return tt(t,e,n);});case"creation":return Object(o.tidy)(function(){return et(t,e,n);});case"dynamic":return nt(t,e,n);case"evaluation":return Object(o.tidy)(function(){return rt(t,e,n);});case"image":return Object(o.tidy)(function(){return ot(t,e,n);});case"graph":return Object(o.tidy)(function(){return it(t,e,n);});case"logical":return Object(o.tidy)(function(){return at(t,e,n);});case"matrices":return Object(o.tidy)(function(){return st(t,e,n);});case"normalization":return Object(o.tidy)(function(){return ut(t,e,n);});case"reduction":return Object(o.tidy)(function(){return ct(t,e,n);});case"slice_join":return Object(o.tidy)(function(){return lt(t,e,n);});case"spectral":return Object(o.tidy)(function(){return ft(t,e,n);});case"transformation":return Object(o.tidy)(function(){return ht(t,e,n);});case"custom":var r=f(t.op);if(r&&r.customExecutor)return r.customExecutor(new X(t,e,n));throw TypeError("Custom op "+t.op+" is not registered.");default:throw TypeError("Unknown op '"+t.op+"'. File an issue at https://github.com/tensorflow/tfjs/issues so we can add it, or register a custom execution with tf.registerOp()");}}(t,e,n);return r instanceof Promise?r.then(function(t){return [].concat(t);}):[].concat(r);}var pt=function(){function t(t,e){this.weightMap=t,this.tensorArrayMap=e,this.rootContext={id:0,frameName:"",iterationId:0},this.contexts=[this.rootContext],this.lastId=0,this.generateCurrentContextIds();}return t.prototype.newFrame=function(t,e){return {id:t,frameName:e,iterationId:0};},Object.defineProperty(t.prototype,"currentContext",{get:function get(){return this.contexts;},set:function set(t){this.contexts!==t&&(this.contexts=t,this.generateCurrentContextIds());},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"currentContextId",{get:function get(){return this._currentContextIds[0];},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"currentContextIds",{get:function get(){return this._currentContextIds;},enumerable:!0,configurable:!0}),t.prototype.generateCurrentContextIds=function(){for(var t=[],e=0;e<this.contexts.length-1;e++){var n=this.contexts.slice(0,this.contexts.length-e);t.push(this.contextIdforContexts(n));}t.push(""),this._currentContextIds=t;},t.prototype.contextIdforContexts=function(t){return t?t.map(function(t){return 0===t.id&&0===t.iterationId?"":t.frameName+"-"+t.iterationId;}).join("/"):"";},t.prototype.enterFrame=function(t){this.contexts&&(this.lastId++,this.contexts=this.contexts.slice(),this.contexts.push(this.newFrame(this.lastId,t)),this._currentContextIds.unshift(this.contextIdforContexts(this.contexts)));},t.prototype.exitFrame=function(){if(!(this.contexts&&this.contexts.length>1))throw new Error("Cannot exit frame, the context is empty");this.contexts=this.contexts.slice(),this.contexts.splice(-1),this.currentContextIds.shift();},t.prototype.nextIteration=function(){if(!(this.contexts&&this.contexts.length>0))throw new Error("Cannot increase frame iteration, the context is empty");this.contexts=this.contexts.slice(),this.lastId++;var t=Object.assign({},this.contexts[this.contexts.length-1]);t.iterationId+=1,t.id=this.lastId,this.contexts.splice(-1,1,t),this._currentContextIds.splice(0,1,this.contextIdforContexts(this.contexts));},t.prototype.getWeight=function(t){return this.weightMap[t];},t.prototype.addTensorArray=function(t){this.tensorArrayMap[t.id]=t;},t.prototype.getTensorArray=function(t){return this.tensorArrayMap[t];},t;}();function mt(t,e,n){for(var r=new Set(),i=[],o=null,a=null,s=new Set(),u=Object.keys(t).map(function(t){return v(t)[0];}),c=e.slice();c.length>0;){var l=c.pop();(yt(l)||bt(l))&&null==o&&(a=(o=l).children.map(function(t){return t.name;}).filter(function(t){return r.has(t);})),r.add(l.name),null==n[l.name]&&-1===u.indexOf(l.name)&&(0!==l.inputs.length?l.inputs.forEach(function(t){s.has(t.name)||(s.add(t.name),c.push(t));}):i.push(l.name));}return {inputs:t,outputs:e,usedNodes:r,missingInputs:i,dynamicNode:o,syncInputs:a};}var gt=["Switch","Merge","Enter","Exit","NextIteration"],vt=["NonMaxSuppressionV2","NonMaxSuppressionV3","NonMaxSuppressionV5","Where"];function yt(t){return gt.indexOf(t.op)>=0;}function bt(t){return vt.indexOf(t.op)>=0;}var xt=function(){function t(t){this.graph=t,this.compiledMap=new Map(),this._weightMap={},this.SEPERATOR=",",this._outputs=t.outputs,this._inputs=t.inputs,this._signature=t.signature;}return Object.defineProperty(t.prototype,"weightMap",{get:function get(){return this._weightMap;},set:function set(t){var e=Object.keys(t).map(function(e){return t[e].map(function(t){return t.id;});});this.weightIds=[].concat.apply([],e),this._weightMap=t;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"inputs",{get:function get(){return this._inputs.map(function(t){return {name:t.name,shape:t.attrParams.shape?t.attrParams.shape.value:void 0,dtype:t.attrParams.dtype?t.attrParams.dtype.value:void 0};});},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"outputs",{get:function get(){return this._outputs.map(function(t){return {name:t.name,shape:t.attrParams.shape?t.attrParams.shape.value:void 0,dtype:t.attrParams.dtype?t.attrParams.dtype.value:void 0};});},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"inputNodes",{get:function get(){return this._inputs.map(function(t){return t.signatureKey||t.name;});},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"outputNodes",{get:function get(){return this._outputs.map(function(t){return t.signatureKey||t.name;});},enumerable:!0,configurable:!0}),t.prototype.getCompilationKey=function(t,e){var n=t.map(function(t){return t.name;}).sort(),r=e.map(function(t){return t.name;}).sort();return n.join(this.SEPERATOR)+"--"+r.join(this.SEPERATOR);},t.prototype.compile=function(t,e){var n=mt(t,e,this.weightMap),r=n.missingInputs,i=n.dynamicNode,o=n.syncInputs;if(null!=i)throw new Error("This execution contains the node '"+i.name+"', which has the dynamic op '"+i.op+"'. Please use model.executeAsync() instead. Alternatively, to avoid the dynamic ops, specify the inputs ["+o+"]");if(r.length>0){var a=e.map(function(t){return t.name;}),s=Object.keys(t);throw new Error("Cannot compute the outputs ["+a+"] from the provided inputs ["+s+"]. Missing the following inputs: ["+r+"]");}return function(t,e,n){var r=n.usedNodes,i=n.inputs,o=[];Object.keys(i).map(function(t){return v(t)[0];}).map(function(e){return t.nodes[e];}).forEach(function(t){r.has(t.name)&&o.push(t);}),t.weights.forEach(function(t){r.has(t.name)&&o.push(t);});for(var a=new Set(),s=[];o.length>0;){var u=o.pop();a.add(u.name),e[u.name]||s.push(u),u.children.forEach(function(t){!a.has(t.name)&&r.has(t.name)&&t.inputs.every(function(t){return a.has(t.name);})&&o.push(t);});}return s;}(this.graph,this.weightMap,n);},t.prototype.execute=function(t,e){var n=this;t=this.mapInputs(t);var r=Object.keys(t).sort();this.checkInputs(t),this.checkInputShapeAndType(t),e=this.mapOutputs(e),this.checkOutputs(e);var i=r.map(function(t){return n.graph.nodes[v(t)[0]];}),s=e.map(function(t){return n.graph.nodes[v(t)[0]];}),u=this.getCompilationKey(i,s),c=this.compiledMap.get(u);null==c&&(c=this.compile(t,s),this.compiledMap.set(u,c));var l={};return Object(o.tidy)(function(){var r=new pt(n._weightMap,l),i=_a8({},n.weightMap);Object.keys(t).forEach(function(e){var n=v(e),r=n[0],o=[];o[n[1]]=t[e],i[r]=o;});for(var o=n.getFrozenTensorIds(i),s={},u=0;u<c.length;u++){var f=c[u];if(!i[f.name]){var h=dt(f,i,r);if(h instanceof Promise)throw new Error("The execution of the op '"+f.op+"' returned a promise. Please use model.executeAsync() instead.");i[f.name]=h,n.checkTensorForDisposal(f.name,f,i,r,o,e,s);}}return e.map(function(t){return p(t,i,r);});});},t.prototype.getFrozenTensorIds=function(t){var e=[].concat.apply([],Object.keys(t).map(function(e){return t[e];}).map(function(t){return t.map(function(t){return t.id;});}));return new Set(e);},t.prototype.checkTensorForDisposal=function(t,e,n,r,i,o,a){"control"!==e.category&&-1===o.indexOf(t)&&(n[t].forEach(function(t){null!=t&&(a[t.id]=(a[t.id]||0)+e.children.length);}),e.inputs.forEach(function(t){if("control"!==t.category){var e=function(t,e,n){return e[g(t,n.currentContextId)];}(t.name,n,r);null!=e&&e.forEach(function(t){if(t&&!i.has(t.id)){var e=a[t.id];1===e?(t.dispose(),delete a[t.id]):null!=e&&a[t.id]--;}});}}));},t.prototype.executeAsync=function(t,e){return s(this,void 0,void 0,function(){var n,r,i,o,a,s,c=this;return u(this,function(u){switch(u.label){case 0:return t=this.mapInputs(t),this.checkInputs(t),this.checkInputShapeAndType(t),e=this.mapOutputs(e),this.checkOutputs(e),n={},r=new pt(this._weightMap,n),[4,this.executeWithControlFlow(t,r,e)];case 1:return i=u.sent(),o=e.map(function(t){return p(t,i,r);}),a=new Set(o.map(function(t){return t.id;})),s=new Set(Object.keys(t).map(function(e){return t[e].id;})),Object.keys(i).forEach(function(t){i[t].forEach(function(t){!t||t.isDisposed||a.has(t.id)||s.has(t.id)||-1!==c.weightIds.indexOf(t.id)||t.dispose();});}),[2,o];}});});},t.prototype.executeWithControlFlow=function(t,e,n){return s(this,void 0,void 0,function(){var r,i,o,s,c,l,f,h,d,m,g,y,b,x,w,k,E=this;return u(this,function(u){switch(u.label){case 0:r=Object.keys(t),i=r.map(function(t){return E.graph.nodes[v(t)[0]];}),o=n.map(function(t){return E.graph.nodes[v(t)[0]];}),s=mt(t,o,this.weightMap),c=s.usedNodes,l=s.missingInputs,f=s.dynamicNode,h=s.syncInputs,d=i.concat(this.graph.weights).map(function(t){return {node:t,contexts:e.currentContext};}),m=_a8({},this.weightMap),Object.keys(t).forEach(function(e){var n=v(e),r=n[0],i=[];i[n[1]]=t[e],m[r]=i;}),g={},y=this.getFrozenTensorIds(m),b={},u.label=1;case 1:return d.length>0?(x=this.processStack(i,d,e,m,b,y,n,g,c),[4,Promise.all(x)]):[3,3];case 2:return u.sent(),[3,1];case 3:if(null==f&&console.warn("This model execution did not contain any nodes with control flow or dynamic output shapes. You can use model.execute() instead."),(w=o.filter(function(t){return !yt(t)&&!p(t.name,m,e);}).map(function(t){return t.name;})).length>0)throw k="",null!=f&&(k="Alternatively, to avoid the dynamic ops, use model.execute() and specify the inputs ["+h+"]"),new Error("Cannot compute the outputs ["+w+"] from the provided inputs ["+r+"]. Consider providing the following inputs: ["+l+"]. "+k);return [2,m];}});});},t.prototype.processStack=function(t,e,n,r,i,o,a,s,u){for(var c=this,l=[],f=function f(){var f=e.pop();n.currentContext=f.contexts;var p="";if("Enter"===f.node.op&&d("isConstant",f.node,r,n)&&(p=m(f.node.name,n)[0]),-1===t.indexOf(f.node)){var g=dt(f.node,r,n);p||(p=m(f.node.name,n)[0]);var v=n.currentContext;g instanceof Promise?l.push(g.then(function(t){return r[p]=t,n.currentContext=v,c.checkTensorForDisposal(p,f.node,r,n,o,a,s),c.processChildNodes(f.node,e,n,r,i,u),t;})):(r[p]=g,h.checkTensorForDisposal(p,f.node,r,n,o,a,s),h.processChildNodes(f.node,e,n,r,i,u));}else h.processChildNodes(f.node,e,n,r,i,u);},h=this;e.length>0;){f();}return l;},t.prototype.processChildNodes=function(t,e,n,r,i,o){t.children.forEach(function(t){var a=m(t.name,n)[0];!i[a]&&o.has(t.name)&&("Merge"===t.op?t.inputNames.some(function(t){return !!p(t,r,n);})&&(i[a]=!0,e.push({contexts:n.currentContext,node:t})):t.inputNames.every(function(t){return !!p(t,r,n);})&&(i[a]=!0,e.push({contexts:n.currentContext,node:t})));});},t.prototype.dispose=function(){var t=this;Object.keys(this.weightMap).forEach(function(e){return t.weightMap[e].forEach(function(t){return t.dispose();});});},t.prototype.checkInputShapeAndType=function(t){var e=this;Object.keys(t).forEach(function(n){var r=t[n],i=v(n)[0],a=e.graph.nodes[i];if(a.attrParams.shape&&a.attrParams.shape.value){var s=a.attrParams.shape.value,u=s.length===r.shape.length&&r.shape.every(function(t,e){return -1===s[e]||s[e]===t;});o.util.assert(u,function(){return "The shape of dict['"+a.name+"'] provided in model.execute(dict) must be ["+s+"], but was ["+r.shape+"]";});}a.attrParams.dtype&&a.attrParams.dtype.value&&o.util.assert(r.dtype===a.attrParams.dtype.value,function(){return "The dtype of dict['"+a.name+"'] provided in model.execute(dict) must be "+a.attrParams.dtype.value+", but was "+r.dtype;});});},t.prototype.mapInputs=function(t){var e={};for(var n in t){null!=this._signature&&null!=this._signature.inputs&&null!=this._signature.inputs[n]?e[this._signature.inputs[n].name]=t[n]:e[n]=t[n];}return e;},t.prototype.checkInputs=function(t){var e=this,n=Object.keys(t).filter(function(t){var n=v(t)[0];return null==e.graph.nodes[n];});if(n.length>0)throw new Error("The dict provided in model.execute(dict) has keys: ["+n+"] that are not part of graph");},t.prototype.mapOutputs=function(t){var e=this;return t.map(function(t){return null!=e._signature&&null!=e._signature.outputs&&null!=e._signature.outputs[t]?e._signature.outputs[t].name:t;},{});},t.prototype.checkOutputs=function(t){var e=this;t.forEach(function(t){var n=v(t)[0];if(!e.graph.nodes[n])throw new Error("The output '"+t+"' is not found in the graph");});},t;}(),wt="?tfjs-format=file",kt="model.json",Et=function(){function t(t,e){void 0===e&&(e={}),this.modelUrl=t,this.loadOptions=e,this.version="n/a",null==e&&(this.loadOptions={});}return Object.defineProperty(t.prototype,"modelVersion",{get:function get(){return this.version;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"inputNodes",{get:function get(){return this.executor.inputNodes;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"outputNodes",{get:function get(){return this.executor.outputNodes;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"inputs",{get:function get(){return this.executor.inputs;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"outputs",{get:function get(){return this.executor.outputs;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"weights",{get:function get(){return this.executor.weightMap;},enumerable:!0,configurable:!0}),t.prototype.findIOHandler=function(){var t=this.modelUrl;if(null!=t.load)this.handler=t;else if(null!=this.loadOptions.requestInit)this.handler=o.io.browserHTTPRequest(t,this.loadOptions);else {var e=o.io.getLoadHandlers(t,this.loadOptions.onProgress);if(0===e.length)e.push(o.io.browserHTTPRequest(t,this.loadOptions));else if(e.length>1)throw new Error("Found more than one ("+e.length+") load handlers for URL '"+[t]+"'");this.handler=e[0];}},t.prototype.load=function(){return s(this,void 0,void 0,function(){var t,e,n,r;return u(this,function(i){switch(i.label){case 0:if(this.findIOHandler(),null==this.handler.load)throw new Error("Cannot proceed with model loading because the IOHandler provided does not have the `load` method implemented.");return t=this,[4,this.handler.load()];case 1:return t.artifacts=i.sent(),e=this.artifacts.modelTopology,n={},null!=this.artifacts.userDefinedMetadata&&(n=this.artifacts.userDefinedMetadata.signature),this.version=e.versions.producer+"."+e.versions.minConsumer,r=o.io.decodeWeights(this.artifacts.weightData,this.artifacts.weightSpecs),this.executor=new xt(M.Instance.transformGraph(e,n)),this.executor.weightMap=this.convertTensorMapToTensorsMap(r),[2,!0];}});});},t.prototype.save=function(t,e){return s(this,void 0,void 0,function(){var e;return u(this,function(n){if("string"==typeof t){if(0===(e=o.io.getSaveHandlers(t)).length)throw new Error("Cannot find any save handlers for URL '"+t+"'");if(e.length>1)throw new Error("Found more than one ("+e.length+") save handlers for URL '"+t+"'");t=e[0];}if(null==t.save)throw new Error("GraphModel.save() cannot proceed because the IOHandler provided does not have the `save` attribute defined.");return [2,t.save(this.artifacts)];});});},t.prototype.predict=function(t,e){return this.execute(t,this.outputNodes);},t.prototype.normalizeInputs=function(t){if(!(t instanceof o.Tensor||Array.isArray(t)))return t;if((t=Array.isArray(t)?t:[t]).length!==this.inputNodes.length)throw new Error("Input tensor count mismatch,the graph model has "+this.inputNodes.length+" placeholders, while there are "+t.length+" input tensors.");return this.inputNodes.reduce(function(e,n,r){return e[n]=t[r],e;},{});},t.prototype.normalizeOutputs=function(t){return t=t||this.outputNodes,Array.isArray(t)?t:[t];},t.prototype.execute=function(t,e){t=this.normalizeInputs(t),e=this.normalizeOutputs(e);var n=this.executor.execute(t,e);return n.length>1?n:n[0];},t.prototype.executeAsync=function(t,e){return s(this,void 0,void 0,function(){var n;return u(this,function(r){switch(r.label){case 0:return t=this.normalizeInputs(t),e=this.normalizeOutputs(e),[4,this.executor.executeAsync(t,e)];case 1:return [2,(n=r.sent()).length>1?n:n[0]];}});});},t.prototype.convertTensorMapToTensorsMap=function(t){return Object.keys(t).reduce(function(e,n){return e[n]=[t[n]],e;},{});},t.prototype.dispose=function(){this.executor.dispose();},t;}();function Ct(t,e){return void 0===e&&(e={}),s(this,void 0,void 0,function(){var n;return u(this,function(r){switch(r.label){case 0:if(null==t)throw new Error("modelUrl in loadGraphModel() cannot be null. Please provide a url or an IOHandler that loads the model");return null==e&&(e={}),e.fromTFHub&&null==t.load&&(t.endsWith("/")||(t+="/"),t=""+t+kt+wt),[4,(n=new Et(t,e)).load()];case 1:return r.sent(),[2,n];}});});}var At="1.7.4";}.call(this,n(92).Buffer);},function(t,e,n){/**
 * @license
 * Copyright 2017 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
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 * @license
 * Copyright 2018 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
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n=this.state.tensorInfo.get(e),r=n.backend,i=this.readSync(e);r.disposeData(e),n.backend=t,t.move(e,i,n.shape,n.dtype),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++;},t.prototype.tidy=function(t,e){var n,r=this,i=null;if(null==e){if("function"!=typeof t)throw new Error("Please provide a function to tidy()");e=t;}else {if("string"!=typeof t&&!(t instanceof String))throw new Error("When calling with two arguments, the first argument to tidy() must be a string");if("function"!=typeof e)throw new Error("When calling with two arguments, the 2nd argument to tidy() must be a function");i=t;}return this.scopedRun(function(){return r.startScope(i);},function(){return r.endScope(n);},function(){return (n=e())instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),n;});},t.prototype.scopedRun=function(t,e,n){t();try{var r=n();return e(),r;}catch(t){throw e(),t;}},t.prototype.nextTensorId=function(){return t.nextTensorId++;},t.prototype.nextVariableId=function(){return t.nextVariableId++;},t.prototype.clone=function(t){var e=this.makeTensorFromDataId(t.dataId,t.shape,t.dtype),n={x:t};return this.addTapeNode(this.state.activeScope.name,n,[e],function(t){return {x:function x(){return t.toFloat();}};},[],{}),e;},t.prototype.runKernel=function(t,e,n,r,i){return this.runKernelFunc(null,e,null,t,n,r,i);},t.prototype.shouldCheckForMemLeaks=function(){return this.ENV.getBool("IS_TEST");},t.prototype.checkKernelForMemLeak=function(t,e,n){var r=this.backend.numDataIds(),i=0;n.forEach(function(t){i+="complex64"===t.dtype?3:1;});var o=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],a=r-e-i-o;if(a>0)throw new Error("Backend '"+this.backendName+"' has an internal memory leak ("+a+" data ids) after running '"+t+"'");},t.prototype.runKernelFunc=function(t,e,n,r,i,o,a){var s,c=this,l=[],f=this.isTapeOn();null==r&&(r=null!=this.state.activeScope?this.state.activeScope.name:"");var h,d=this.state.numBytes,p=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);var m,g=u.getKernel(r,this.backendName);if(null!=g)h=function h(){var t=c.backend.numDataIds();m=g.kernelFunc({inputs:e,attrs:i,backend:c.backend});var n=Array.isArray(m)?m:[m];c.shouldCheckForMemLeaks()&&c.checkKernelForMemLeak(r,t,n);var s=n.map(function(t){var e=t.dataId,n=t.shape,r=t.dtype;return c.makeTensorFromDataId(e,n,r);});if(f){var u=c.getTensorsForGradient(r,e,s);if(null==u){null==a&&(a=[]);var h=s.filter(function(t,e){return a[e];});u=(o||[]).slice().concat(h);}l=c.saveTensorsForBackwardMode(u);}return s;};else {var v=function v(t){f&&(l=t.map(function(t){return c.keep(c.clone(t));}));};h=function h(){var e=c.backend.numDataIds();m=c.tidy(function(){return t(c.backend,v);});var n=Array.isArray(m)?m:[m];return c.shouldCheckForMemLeaks()&&c.checkKernelForMemLeak(r,e,n),n;};}return this.scopedRun(function(){return c.state.kernelDepth++;},function(){return c.state.kernelDepth--;},function(){s=c.ENV.getBool("DEBUG")?c.profiler.profileKernel(r,e,function(){return h();}):h();}),f&&this.addTapeNode(r,e,s,n,l,i),this.state.profiling&&this.state.activeProfile.kernels.push({name:r,bytesAdded:this.state.numBytes-d,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-p,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(e).map(function(t){return e[t].shape;}),outputShapes:s.map(function(t){return t.shape;})}),Array.isArray(m)?s:s[0];},t.prototype.saveTensorsForBackwardMode=function(t){var e=this;return t.map(function(t){return e.keep(e.clone(t));});},t.prototype.getTensorsForGradient=function(t,e,n){var r=u.getGradient(t);if(null!=r){var i=r.inputsToSave||[],o=r.outputsToSave||[],a=void 0;r.saveAllInputs?(d.assert(Array.isArray(e),function(){return "saveAllInputs is true, expected inputs to be an array.";}),a=Object.keys(e).map(function(t){return e[t];})):a=i.map(function(t){return e[t];});var s=n.filter(function(t,e){return o[e];});return a.concat(s);}return null;},t.prototype.makeTensor=function(t,e,n,r){if(null==t)throw new Error("Values passed to engine.makeTensor() are null");n=n||"float32",r=r||this.backend;var i=t;"string"===n&&d.isString(t[0])&&(i=t.map(function(t){return d.encodeString(t);}));var o=r.write(i,e,n),a=new f.Tensor(e,n,o,this.nextTensorId());if(this.incRef(a,r),"string"===n){var s=this.state.tensorInfo.get(o),u=p.bytesFromStringArray(i);this.state.numBytes+=u-s.bytes,s.bytes=u;}return a;},t.prototype.makeTensorFromDataId=function(t,e,n,r){n=n||"float32";var i=new f.Tensor(e,n,t,this.nextTensorId());return this.incRef(i,r),i;},t.prototype.makeVariable=function(t,e,n,r){void 0===e&&(e=!0),n=n||this.nextVariableId().toString(),null!=r&&r!==t.dtype&&(t=t.asType(r));var i=new f.Variable(t,e,n,this.nextTensorId());if(null!=this.state.registeredVariables[i.name])throw new Error("Variable with name "+i.name+" was already registered");return this.state.registeredVariables[i.name]=i,this.incRef(i,this.backend),i;},t.prototype.incRef=function(t,e){var n=this.state.tensorInfo.has(t.dataId)?this.state.tensorInfo.get(t.dataId).refCount:0;if(this.state.numTensors++,"string"===t.dtype&&this.state.numStringTensors++,0===n){this.state.numDataBuffers++;var r=0;"complex64"!==t.dtype&&"string"!==t.dtype&&(r=t.size*d.bytesPerElement(t.dtype)),this.state.tensorInfo.set(t.dataId,{backend:e||this.backend,dtype:t.dtype,shape:t.shape,bytes:r,refCount:0}),this.state.numBytes+=r;}this.state.tensorInfo.get(t.dataId).refCount++,t instanceof f.Variable||this.track(t);},t.prototype.disposeTensor=function(t){if(this.state.tensorInfo.has(t.dataId)){this.state.numTensors--,"string"===t.dtype&&this.state.numStringTensors--;var e=this.state.tensorInfo.get(t.dataId);e.refCount<=1?("complex64"!==t.dtype&&(this.state.numBytes-=e.bytes),this.state.numDataBuffers--,e.backend.disposeData(t.dataId),this.state.tensorInfo.delete(t.dataId)):this.state.tensorInfo.get(t.dataId).refCount--;}},t.prototype.disposeVariables=function(){for(var t in this.state.registeredVariables){var e=this.state.registeredVariables[t];this.disposeVariable(e);}},t.prototype.disposeVariable=function(t){this.disposeTensor(t),null!=this.state.registeredVariables[t.name]&&delete this.state.registeredVariables[t.name];},t.prototype.memory=function(){var t=this.backend.memory();return t.numTensors=this.state.numTensors,t.numDataBuffers=this.state.numDataBuffers,t.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(t.unreliable=!0,null==t.reasons&&(t.reasons=[]),t.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),t;},t.prototype.profile=function(t){return i(this,void 0,void 0,function(){var e,n;return o(this,function(r){return this.state.profiling=!0,e=this.state.numBytes,n=this.state.numTensors,this.state.activeProfile.kernels=[],this.state.activeProfile.result=t(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max.apply(Math,this.state.activeProfile.kernels.map(function(t){return t.totalBytesSnapshot;})),this.state.activeProfile.newBytes=this.state.numBytes-e,this.state.activeProfile.newTensors=this.state.numTensors-n,[2,this.state.activeProfile];});});},t.prototype.isTapeOn=function(){return this.state.gradientDepth>0&&0===this.state.kernelDepth;},t.prototype.addTapeNode=function(t,e,n,r,i,o){var a=this,s={id:this.state.nextTapeNodeId++,kernelName:t,inputs:e,outputs:n,saved:i},c=u.getGradient(t);null!=c&&(r=c.gradFunc),null!=r&&(s.gradient=function(t){return t=t.map(function(t,e){if(null==t){var r=n[e],i=d.makeZerosTypedArray(r.size,r.dtype);return a.makeTensor(i,r.shape,r.dtype);}return t;}),r(t.length>1?t:t[0],i,o);}),this.state.activeTape.push(s);},t.prototype.keep=function(t){return t.kept=!0,t;},t.prototype.startTape=function(){0===this.state.gradientDepth&&(this.state.activeTape=[]),this.state.gradientDepth++;},t.prototype.endTape=function(){this.state.gradientDepth--;},t.prototype.startScope=function(t){var e={track:[],name:"unnamed scope",id:this.state.nextScopeId++};t&&(e.name=t),this.state.scopeStack.push(e),this.state.activeScope=e;},t.prototype.endScope=function(t){for(var e=this,n=h.getTensorsInContainer(t),r=new Set(n.map(function(t){return t.id;})),i=0;i<this.state.activeScope.track.length;i++){var o=this.state.activeScope.track[i];o.kept||r.has(o.id)||o.dispose();}var a=this.state.scopeStack.pop();this.state.activeScope=0===this.state.scopeStack.length?null:this.state.scopeStack[this.state.scopeStack.length-1],n.forEach(function(t){t.kept||t.scopeId!==a.id||e.track(t);});},t.prototype.gradients=function(t,n,r,i){var o=this;if(void 0===i&&(i=!1),d.assert(n.length>0,function(){return "gradients() received an empty list of xs.";}),null!=r&&"float32"!==r.dtype)throw new Error("dy must have 'float32' dtype, but has '"+r.dtype+"'");var a=this.scopedRun(function(){return o.startTape();},function(){return o.endTape();},function(){return o.tidy("forward",t);});d.assert(a instanceof f.Tensor,function(){return "The result y returned by f() must be a tensor.";});var s=l.getFilteredNodesXToY(this.state.activeTape,n,a);if(!i&&0===s.length&&n.length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that the f you passed encloses all operations that lead from x to y.");return this.tidy("backward",function(){var t={};t[a.id]=null==r?function(t){var n=p.makeOnesTypedArray(p.sizeFromShape(t),"float32");return e.ENGINE.makeTensor(n,t,"float32");}(a.shape):r,l.backpropagateGradients(t,s,function(t){return o.tidy(t);});var i=n.map(function(e){return t[e.id];});return 0===o.state.gradientDepth&&(o.state.activeTape.forEach(function(t){for(var e=0,n=t.saved;e<n.length;e++){n[e].dispose();}}),o.state.activeTape=null),{value:a,grads:i};});},t.prototype.customGrad=function(t){var e=this;return d.assert(d.isFunction(t),function(){return "The f passed in customGrad(f) must be a function.";}),function(){for(var n,r=[],i=0;i<arguments.length;i++){r[i]=arguments[i];}d.assert(r.every(function(t){return t instanceof f.Tensor;}),function(){return "The args passed in customGrad(f)(x1, x2,...) must all be tensors";});var o={};return r.forEach(function(t,e){o[e]=t;}),e.runKernelFunc(function(e,i){return n=t.apply(void 0,r.concat([i])),d.assert(n.value instanceof f.Tensor,function(){return "The function f passed in customGrad(f) must return an object where `obj.value` is a tensor";}),d.assert(d.isFunction(n.gradFunc),function(){return "The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function.";}),n.value;},o,function(t,e){var i=n.gradFunc(t,e),o=Array.isArray(i)?i:[i];d.assert(o.length===r.length,function(){return "The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns the same number of tensors as inputs passed to f(...).";}),d.assert(o.every(function(t){return t instanceof f.Tensor;}),function(){return "The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns a list of only tensors.";});var a={};return o.forEach(function(t,e){a[e]=function(){return t;};}),a;});};},t.prototype.readSync=function(t){return this.state.tensorInfo.get(t).backend.readSync(t);},t.prototype.read=function(t){return this.state.tensorInfo.get(t).backend.read(t);},t.prototype.time=function(t){return i(this,void 0,void 0,function(){var e,n;return o(this,function(r){switch(r.label){case 0:return e=p.now(),[4,this.backend.time(t)];case 1:return (n=r.sent()).wallMs=p.now()-e,[2,n];}});});},t.prototype.track=function(t){return null!=this.state.activeScope&&(t.scopeId=this.state.activeScope.id,this.state.activeScope.track.push(t)),t;},Object.defineProperty(t.prototype,"registeredVariables",{get:function get(){return this.state.registeredVariables;},enumerable:!0,configurable:!0}),t.prototype.reset=function(){for(var t in this.pendingBackendInitId++,this.state.dispose(),this.ENV.reset(),this.state=new m(),this.registry){this.disposeRegisteredKernels(t),this.registry[t].dispose(),delete this.registry[t];}this.backendName=null,this.backendInstance=null,this.pendingBackendInit=null;},t.nextTensorId=0,t.nextVariableId=0,t;}();e.Engine=g,e.ENGINE=function(){var e=function(){if(null==a){var e=void 0;if("undefined"!=typeof window)e=window;else if(void 0!==t)e=t;else if(void 0!==r)e=r;else {if("undefined"==typeof self)throw new Error("Could not find a global object");e=self;}a=e;}return a;}();if(null==e._tfengine){var n=new s.Environment(e);e._tfengine=new g(n);}return s.setEnvironmentGlobal(e._tfengine.ENV),f.setTensorTracker(function(){return e._tfengine;}),e._tfengine;}();}).call(this,n(59),n(75));},function(t,e,n){var r=n(14),i=n(240),o=n(66),a=Object.defineProperty;e.f=n(27)?Object.defineProperty:function(t,e,n){if(r(t),e=o(e,!0),r(n),i)try{return a(t,e,n);}catch(t){}if("get"in n||"set"in n)throw TypeError("Accessors not supported!");return "value"in n&&(t[e]=n.value),t;};},function(t,e,n){t.exports=!n(15)(function(){return 7!=Object.defineProperty({},"a",{get:function get(){return 7;}}).a;});},function(t,e,n){Object.defineProperty(e,"__esModule",{value:!0});/**
 * @license
 * Copyright 2018 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */var r=n(25);e.op=function(t){var e=Object.keys(t);if(1!==e.length)throw new Error("Please provide an object with a single key (operation name) mapping to a function. Got an object with "+e.length+" keys.");var n=e[0],i=t[n];n.endsWith("_")&&(n=n.substring(0,n.length-1));var o=function o(){for(var t=[],e=0;e<arguments.length;e++){t[e]=arguments[e];}r.ENGINE.startScope(n);try{var o=i.apply(void 0,t);return o instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),r.ENGINE.endScope(o),o;}catch(t){throw r.ENGINE.endScope(null),t;}};return Object.defineProperty(o,"name",{value:n,configurable:!0}),o;};},function(t,e,n){/**
 * @license
 * Copyright 2018 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(25),i=n(103),o=n(33),a=n(21);function s(t,e){var n=t;if(a.isTypedArray(t))return "string"===e?[]:[t.length];if(!Array.isArray(t))return [];for(var r=[];Array.isArray(n)||a.isTypedArray(n)&&"string"!==e;){r.push(n.length),n=n[0];}return Array.isArray(t)&&i.env().getBool("TENSORLIKE_CHECK_SHAPE_CONSISTENCY")&&function t(e,n,r){r=r||[];if(!Array.isArray(e)&&!a.isTypedArray(e))return void a.assert(0===n.length,function(){return "Element arr["+r.join("][")+"] is a primitive, but should be an array/TypedArray of "+n[0]+" elements";});a.assert(n.length>0,function(){return "Element arr["+r.join("][")+"] should be a primitive, but is an array of "+e.length+" elements";});a.assert(e.length===n[0],function(){return "Element arr["+r.join("][")+"] should have "+n[0]+" elements, but has "+e.length+" elements";});var i=n.slice(1);for(var o=0;o<e.length;++o){t(e[o],i,r.concat(o));}}(t,r,[]),r;}function 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 * @license
 * Copyright 2017 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
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point(t,e){if(t=+t,e=+e,this._point){var n=this._x2-t,r=this._y2-e;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(n*n+r*r,this._alpha));}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,e):this._context.moveTo(t,e);break;case 1:this._point=2;break;case 2:this._point=3;default:Yr(this,t,e);}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=e;}};var Qr=function t(e){function n(t){return e?new Jr(t,e):new Nr(t,0);}return n.alpha=function(e){return t(+e);},n;}(.5);function Zr(t,e){this._context=t,this._alpha=e;}Zr.prototype={areaStart:Or,areaEnd:Or,lineStart:function lineStart(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0;},lineEnd:function lineEnd(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5);}},point:function point(t,e){if(t=+t,e=+e,this._point){var n=this._x2-t,r=this._y2-e;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(n*n+r*r,this._alpha));}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=e;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=e);break;case 2:this._point=3,this._x5=t,this._y5=e;break;default:Yr(this,t,e);}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=e;}};var ti=function t(e){function n(t){return e?new Zr(t,e):new jr(t,0);}return n.alpha=function(e){return t(+e);},n;}(.5);function ei(t,e){this._context=t,this._alpha=e;}ei.prototype={areaStart:function areaStart(){this._line=0;},areaEnd:function areaEnd(){this._line=NaN;},lineStart:function lineStart(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0;},lineEnd:function lineEnd(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line;},point:function point(t,e){if(t=+t,e=+e,this._point){var n=this._x2-t,r=this._y2-e;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(n*n+r*r,this._alpha));}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Yr(this,t,e);}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=e;}};var ni=function t(e){function n(t){return e?new ei(t,e):new Rr(t,0);}return n.alpha=function(e){return t(+e);},n;}(.5);function ri(t){this._context=t;}ri.prototype={areaStart:function areaStart(){this._line=0;},areaEnd:function areaEnd(){this._line=NaN;},lineStart:function lineStart(){this._point=0;},lineEnd:function lineEnd(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line;},point:function point(t,e){switch(t=+t,e=+e,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,e):this._context.moveTo(t,e);break;case 1:this._point=2;default:this._context.lineTo(t,e);}}};var ii=function ii(t){return new ri(t);};function oi(t){this._context=t;}oi.prototype={areaStart:Or,areaEnd:Or,lineStart:function lineStart(){this._point=0;},lineEnd:function lineEnd(){this._point&&this._context.closePath();},point:function point(t,e){t=+t,e=+e,this._point?this._context.lineTo(t,e):(this._point=1,this._context.moveTo(t,e));}};function ai(t){return t<0?-1:1;}function si(t,e,n){var r=t._x1-t._x0,i=e-t._x1,o=(t._y1-t._y0)/(r||i<0&&-0),a=(n-t._y1)/(i||r<0&&-0),s=(o*i+a*r)/(r+i);return (ai(o)+ai(a))*Math.min(Math.abs(o),Math.abs(a),.5*Math.abs(s))||0;}function ui(t,e){var n=t._x1-t._x0;return n?(3*(t._y1-t._y0)/n-e)/2:e;}function ci(t,e,n){var r=t._x0,i=t._y0,o=t._x1,a=t._y1,s=(o-r)/3;t._context.bezierCurveTo(r+s,i+s*e,o-s,a-s*n,o,a);}function li(t){this._context=t;}function fi(t){this._context=new hi(t);}function hi(t){this._context=t;}function di(t){this._context=t;}function pi(t){var e,n,r=t.length-1,i=new Array(r),o=new Array(r),a=new Array(r);for(i[0]=0,o[0]=2,a[0]=t[0]+2*t[1],e=1;e<r-1;++e){i[e]=1,o[e]=4,a[e]=4*t[e]+2*t[e+1];}for(i[r-1]=2,o[r-1]=7,a[r-1]=8*t[r-1]+t[r],e=1;e<r;++e){n=i[e]/o[e-1],o[e]-=n,a[e]-=n*a[e-1];}for(i[r-1]=a[r-1]/o[r-1],e=r-2;e>=0;--e){i[e]=(a[e]-i[e+1])/o[e];}for(o[r-1]=(t[r]+i[r-1])/2,e=0;e<r-1;++e){o[e]=2*t[e+1]-i[e+1];}return [i,o];}li.prototype={areaStart:function areaStart(){this._line=0;},areaEnd:function areaEnd(){this._line=NaN;},lineStart:function lineStart(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0;},lineEnd:function lineEnd(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:ci(this,this._t0,ui(this,this._t0));}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line;},point:function point(t,e){var n=NaN;if(e=+e,(t=+t)!==this._x1||e!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,e):this._context.moveTo(t,e);break;case 1:this._point=2;break;case 2:this._point=3,ci(this,ui(this,n=si(this,t,e)),n);break;default:ci(this,this._t0,n=si(this,t,e));}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=e,this._t0=n;}}},(fi.prototype=Object.create(li.prototype)).point=function(t,e){li.prototype.point.call(this,e,t);},hi.prototype={moveTo:function moveTo(t,e){this._context.moveTo(e,t);},closePath:function closePath(){this._context.closePath();},lineTo:function lineTo(t,e){this._context.lineTo(e,t);},bezierCurveTo:function bezierCurveTo(t,e,n,r,i,o){this._context.bezierCurveTo(e,t,r,n,o,i);}},di.prototype={areaStart:function areaStart(){this._line=0;},areaEnd:function areaEnd(){this._line=NaN;},lineStart:function lineStart(){this._x=[],this._y=[];},lineEnd:function lineEnd(){var t=this._x,e=this._y,n=t.length;if(n)if(this._line?this._context.lineTo(t[0],e[0]):this._context.moveTo(t[0],e[0]),2===n)this._context.lineTo(t[1],e[1]);else for(var r=pi(t),i=pi(e),o=0,a=1;a<n;++o,++a){this._context.bezierCurveTo(r[0][o],i[0][o],r[1][o],i[1][o],t[a],e[a]);}(this._line||0!==this._line&&1===n)&&this._context.closePath(),this._line=1-this._line,this._x=this._y=null;},point:function point(t,e){this._x.push(+t),this._y.push(+e);}};function mi(t,e){this._context=t,this._t=e;}mi.prototype={areaStart:function areaStart(){this._line=0;},areaEnd:function areaEnd(){this._line=NaN;},lineStart:function lineStart(){this._x=this._y=NaN,this._point=0;},lineEnd:function lineEnd(){0<this._t&&this._t<1&&2===this._point&&this._context.lineTo(this._x,this._y),(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line>=0&&(this._t=1-this._t,this._line=1-this._line);},point:function point(t,e){switch(t=+t,e=+e,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,e):this._context.moveTo(t,e);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,e),this._context.lineTo(t,e);else {var n=this._x*(1-this._t)+t*this._t;this._context.lineTo(n,this._y),this._context.lineTo(n,e);}}this._x=t,this._y=e;}};var gi=Math.PI,vi=2*gi,yi=vi-1e-6;function bi(){this._x0=this._y0=this._x1=this._y1=null,this._="";}function xi(){return new bi();}bi.prototype=xi.prototype={constructor:bi,moveTo:function moveTo(t,e){this._+="M"+(this._x0=this._x1=+t)+","+(this._y0=this._y1=+e);},closePath:function closePath(){null!==this._x1&&(this._x1=this._x0,this._y1=this._y0,this._+="Z");},lineTo:function lineTo(t,e){this._+="L"+(this._x1=+t)+","+(this._y1=+e);},quadraticCurveTo:function quadraticCurveTo(t,e,n,r){this._+="Q"+ +t+","+ +e+","+(this._x1=+n)+","+(this._y1=+r);},bezierCurveTo:function bezierCurveTo(t,e,n,r,i,o){this._+="C"+ +t+","+ +e+","+ +n+","+ +r+","+(this._x1=+i)+","+(this._y1=+o);},arcTo:function arcTo(t,e,n,r,i){t=+t,e=+e,n=+n,r=+r,i=+i;var o=this._x1,a=this._y1,s=n-t,u=r-e,c=o-t,l=a-e,f=c*c+l*l;if(i<0)throw new Error("negative radius: 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 * http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing, software
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 * See the License for the specific language governing permissions and
 * limitations under the License.
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[2,{value:t,done:!1}];}});});},e;}(F),B=function(t){function e(e,n){var r=t.call(this)||this;return r.upstream=e,r.predicate=n,r.lastRead=Promise.resolve({value:null,done:!1}),r;}return a(e,t),e.prototype.summary=function(){return this.upstream.summary()+" -> Filter";},e.prototype.next=function(){return s(this,void 0,void 0,function(){var t=this;return u(this,function(e){return this.lastRead=this.lastRead.then(function(){return t.serialNext();}),[2,this.lastRead];});});},e.prototype.serialNext=function(){return s(this,void 0,void 0,function(){var t;return u(this,function(e){switch(e.label){case 0:return [4,this.upstream.next()];case 1:return (t=e.sent()).done||this.predicate(t.value)?[2,t]:(Object(i.dispose)(t.value),[3,0]);case 2:return [2];}});});},e;}(F),P=function(t){function e(e,n){var r=t.call(this)||this;return r.upstream=e,r.transform=n,r;}return a(e,t),e.prototype.summary=function(){return this.upstream.summary()+" -> Map";},e.prototype.next=function(){return s(this,void 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0:e.label=1;case 1:return e.trys.push([1,3,,4]),[4,this.upstream.next()];case 2:return [2,e.sent()];case 3:return t=e.sent(),this.handler(t)?[3,4]:[2,{value:null,done:!0}];case 4:return [3,0];case 5:return [2];}});});},e;}(F),z=function(t){function e(e,n){var r=t.call(this)||this;return r.upstream=e,r.transform=n,r;}return a(e,t),e.prototype.summary=function(){return this.upstream.summary()+" -> AsyncMap";},e.prototype.next=function(){return s(this,void 0,void 0,function(){var t,e,n,r,o,a,s;return u(this,function(u){switch(u.label){case 0:return [4,this.upstream.next()];case 1:return (t=u.sent()).done?[2,{value:null,done:!0}]:(e=i.tensor_util.getTensorsInContainer(t.value),[4,this.transform(t.value)]);case 2:for(n=u.sent(),r=i.tensor_util.getTensorsInContainer(n),o=0,a=e;o<a.length;o++){s=a[o],i.tensor_util.isTensorInList(s,r)||s.dispose();}return [2,{value:n,done:!1}];}});});},e;}(F),U=function(t){function e(){var e=t.call(this)||this;return e.outputQueue=new O(),e.lastRead=Promise.resolve({value:null,done:!1}),e;}return a(e,t),e.prototype.next=function(){return s(this,void 0,void 0,function(){var t=this;return u(this,function(e){return this.lastRead=this.lastRead.then(function(){return t.serialNext();}),[2,this.lastRead];});});},e.prototype.serialNext=function(){return s(this,void 0,void 0,function(){return u(this,function(t){switch(t.label){case 0:return 0!==this.outputQueue.length()?[3,2]:[4,this.pump()];case 1:return t.sent()?[3,0]:[2,{value:null,done:!0}];case 2:return [2,{value:this.outputQueue.shift(),done:!1}];}});});},e;}(F),W=function(t){function e(e,n){var r=t.call(this)||this;return r.upstream=e,r.transform=n,r;}return a(e,t),e.prototype.summary=function(){return this.upstream.summary()+" -> Flatmap";},e.prototype.pump=function(){return s(this,void 0,void 0,function(){var t,e,n,r,o,a,s;return u(this,function(u){switch(u.label){case 0:return [4,this.upstream.next()];case 1:if((t=u.sent()).done)return [2,!1];for(e=i.tensor_util.getTensorsInContainer(t.value),n=this.transform(t.value),r=i.tensor_util.getTensorsInContainer(n),this.outputQueue.pushAll(n),o=0,a=e;o<a.length;o++){s=a[o],i.tensor_util.isTensorInList(s,r)||s.dispose();}return [2,!0];}});});},e;}(U),V=function(t){function e(e,n){var r=t.call(this)||this;return r.baseErrorHandler=n,r.lastRead=null,r.iterator=null,r.moreIterators=e,r;}return a(e,t),e.prototype.summary=function(){return "TODO: fill in upstream of chained summaries -> Chained";},e.prototype.next=function(){return s(this,void 0,void 0,function(){return u(this,function(t){return this.lastRead=this.readFromChain(this.lastRead),[2,this.lastRead];});});},e.prototype.readFromChain=function(t){return s(this,void 0,void 0,function(){var e,n;return u(this,function(r){switch(r.label){case 0:return [4,t];case 1:return r.sent(),null!=this.iterator?[3,3]:[4,this.moreIterators.next()];case 2:if((e=r.sent()).done)return [2,{value:null,done:!0}];this.iterator=e.value,null!=this.baseErrorHandler&&(this.iterator=this.iterator.handleErrors(this.baseErrorHandler)),r.label=3;case 3:return [4,this.iterator.next()];case 4:return (n=r.sent()).done?(this.iterator=null,[2,this.readFromChain(t)]):[2,n];}});});},e;}(F);!function(t){t[t.FAIL=0]="FAIL",t[t.SHORTEST=1]="SHORTEST",t[t.LONGEST=2]="LONGEST";}(D||(D={}));var q=function(t){function e(e,n){void 0===n&&(n=D.FAIL);var r=t.call(this)||this;return r.iterators=e,r.mismatchMode=n,r.count=0,r.currentPromise=null,r;}return a(e,t),e.prototype.summary=function(){return "{TODO: fill in upstream of zip summaries} -> Zip";},e.prototype.nextState=function(t){return s(this,void 0,void 0,function(){function e(t){return t instanceof F?{value:t.next().then(function(t){return n++,t.done&&r++,t.value;}),recurse:!1}:{value:null,recurse:!0};}var n,r,i;return u(this,function(o){switch(o.label){case 0:return [4,t];case 1:return o.sent(),n=0,r=0,[4,w(this.iterators,e)];case 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n=t.call(this)||this;return n.input=e,n;}return a(e,t),e.prototype.iterator=function(){return s(this,void 0,void 0,function(){var t;return u(this,function(e){switch(e.label){case 0:return [4,this.input.iterator()];case 1:return t=e.sent(),[2,t.decodeUTF8().split("\n").map(function(t){return t.endsWith("\r")&&(t=t.slice(0,-1)),t;})];}});});},e;}(G),Z=Symbol("out"),tt=Symbol("field"),et=Symbol("quote"),nt=Symbol("quoteafterquote"),rt=Symbol("quoteinquote"),it=function(t){function e(e,n){var r=t.call(this)||this;return r.input=e,r.hasHeader=!0,r.fullColumnNames=null,r.columnNamesValidated=!1,r.columnConfigs=null,r.configuredColumnsOnly=!1,r.delimiter=",",r.delimWhitespace=!1,r.base=new Q(e),n||(n={}),r.hasHeader=!1!==n.hasHeader,r.fullColumnNames=n.columnNames,r.columnConfigs=n.columnConfigs,r.configuredColumnsOnly=n.configuredColumnsOnly,n.delimWhitespace?(i.util.assert(null==n.delimiter,function(){return "Delimiter should not be provided when delimWhitespace is true.";}),r.delimWhitespace=!0,r.delimiter=" "):r.delimiter=n.delimiter?n.delimiter:",",r;}return a(e,t),e.prototype.columnNames=function(){return s(this,void 0,void 0,function(){return u(this,function(t){switch(t.label){case 0:return this.columnNamesValidated?[3,2]:[4,this.setColumnNames()];case 1:t.sent(),t.label=2;case 2:return [2,this.configuredColumnsOnly?Object.keys(this.columnConfigs):this.fullColumnNames];}});});},e.prototype.setColumnNames=function(){return s(this,void 0,void 0,function(){var t,e,n,r,o,a,s=this;return u(this,function(u){switch(u.label){case 0:return [4,this.maybeReadHeaderLine()];case 1:if(t=u.sent(),!this.fullColumnNames&&!t)throw new Error("Column names must be provided if there is no header line.");if(this.fullColumnNames&&t&&i.util.assert(t.length===this.fullColumnNames.length,function(){return "The length of provided columnNames ("+s.fullColumnNames.length.toString()+") does not match the length of the header line read from file ("+t.length.toString()+").";}),this.fullColumnNames||(this.fullColumnNames=t),e=this.fullColumnNames.reduce(function(t,e){return t[e]=t[e]+1||1,t;},{}),n=Object.keys(e).filter(function(t){return e[t]>1;}),i.util.assert(0===n.length,function(){return "Duplicate column names found: "+n.toString();}),this.columnConfigs)for(r=0,o=Object.keys(this.columnConfigs);r<o.length;r++){if(a=o[r],-1===this.fullColumnNames.indexOf(a))throw new Error('The key "'+a+'" provided in columnConfigs does not match any of the column names ('+this.fullColumnNames.toString()+").");}return this.columnNamesValidated=!0,[2];}});});},e.prototype.maybeReadHeaderLine=function(){return s(this,void 0,void 0,function(){var t,e;return u(this,function(n){switch(n.label){case 0:return this.hasHeader?[4,this.base.iterator()]:[3,3];case 1:return [4,n.sent().next()];case 2:if((t=n.sent()).done)throw new Error("No data was found for CSV parsing.");return e=t.value,[2,this.parseRow(e,!1)];case 3:return [2,null];}});});},e.prototype.iterator=function(){return s(this,void 0,void 0,function(){var t,e=this;return u(this,function(n){switch(n.label){case 0:return this.columnNamesValidated?[3,2]:[4,this.setColumnNames()];case 1:n.sent(),n.label=2;case 2:return [4,this.base.iterator()];case 3:return t=n.sent(),this.hasHeader&&(t=t.skip(1)),[2,t.map(function(t){return e.makeDataElement(t);})];}});});},e.prototype.makeDataElement=function(t){for(var e=this.parseRow(t),n={},r={},i=0;i<this.fullColumnNames.length;i++){var o=this.fullColumnNames[i],a=this.columnConfigs?this.columnConfigs[o]:null;if(!this.configuredColumnsOnly||a){var s=e[i],u=null;if(""===s){if(a&&void 0!==a.default)u=a.default;else {if(a&&(a.required||a.isLabel))throw new Error("Required column "+o+" is empty in this line: "+t);u=void 0;}}else {var c=Number(s);if(isNaN(c))u=a&&"bool"===a.dtype?this.getBoolean(s):s;else if(a&&a.dtype)switch(a.dtype){case"float32":u=c;break;case"int32":u=Math.floor(c);break;case"bool":u=this.getBoolean(s);break;default:u=c;}else u=c;}a&&a.isLabel?r[o]=u:n[o]=u;}}return 0===Object.keys(r).length?n:{xs:n,ys:r};},e.prototype.getBoolean=function(t){return "1"===t||"true"===t.toLowerCase()?1:0;},e.prototype.parseRow=function(t,e){void 0===e&&(e=!0);for(var n=[],r=0,i=t.length,o=Z,a=0;a<i;a++){switch(o){case Z:switch(t.charAt(a)){case'"':r=a+1,o=et;break;case this.delimiter:if(r=a+1," "===this.delimiter&&this.delimWhitespace)break;n.push(""),o=Z;break;default:o=tt,r=a;}break;case tt:switch(t.charAt(a)){case this.delimiter:n.push(t.substring(r,a)),o=Z,r=a+1;}break;case et:switch(t.charAt(a)){case'"':o=nt;}break;case nt:switch(t.charAt(a)){case this.delimiter:n.push(t.substring(r,a-1)),o=Z,r=a+1;break;case'"':o=et;break;default:o=rt;}break;case rt:switch(t.charAt(a)){case'"':o=et;}}}if(o===nt?n.push(t.substring(r,i-1)):n.push(t.substring(r)),e&&n.length!==this.fullColumnNames.length)throw new Error("Invalid row in csv file. Should have "+this.fullColumnNames.length+" elements in a row, but got "+n);return n;},e;}(G),ot=function(t){function e(e){var n=t.call(this)||this;n.microphoneConfig=e,n.isClosed=!1,n.fftSize=e.fftSize||1024;var r=Math.log2(n.fftSize);if(n.fftSize<0||r<4||r>14||!Number.isInteger(r))throw new Error("Invalid fftSize: it must be a power of 2 between 2 to 4 and 2 to 14, but got "+n.fftSize);if(n.numFrames=e.numFramesPerSpectrogram||43,n.sampleRateHz=e.sampleRateHz,n.columnTruncateLength=e.columnTruncateLength||n.fftSize,n.audioTrackConstraints=e.audioTrackConstraints,n.smoothingTimeConstant=e.smoothingTimeConstant||0,n.includeSpectrogram=!1!==e.includeSpectrogram,n.includeWaveform=!0===e.includeWaveform,!n.includeSpectrogram&&!n.includeWaveform)throw new Error("Both includeSpectrogram and includeWaveform are false. At least one type of data should be returned.");return n;}return a(e,t),e.prototype.summary=function(){return "microphone";},e.create=function(t){return void 0===t&&(t={}),s(this,void 0,void 0,function(){var n;return u(this,function(r){switch(r.label){case 0:if(Object(i.env)().get("IS_NODE"))throw new Error("microphone API is only supported in browser environment.");return [4,(n=new e(t)).start()];case 1:return r.sent(),[2,n];}});});},e.prototype.start=function(){return s(this,void 0,void 0,function(){var t,e,n,r;return u(this,function(i){switch(i.label){case 0:return i.trys.push([0,2,,3]),t=this,[4,navigator.mediaDevices.getUserMedia({audio:null==this.audioTrackConstraints||this.audioTrackConstraints,video:!1})];case 1:return t.stream=i.sent(),[3,3];case 2:throw e=i.sent(),new Error("Error thrown while initializing video stream: "+e.message);case 3:if(!this.stream)throw new Error("Could not obtain audio from microphone.");if(n=window.AudioContext||window.webkitAudioContext,this.audioContext=new n(),this.sampleRateHz){if(this.audioContext.sampleRate!==this.sampleRateHz)throw new Error("Mismatch in sampling rate: Expected: "+this.sampleRateHz+"; Actual: "+this.audioContext.sampleRate);}else this.sampleRateHz=this.audioContext.sampleRate;return r=this.audioContext.createMediaStreamSource(this.stream),this.analyser=this.audioContext.createAnalyser(),this.analyser.fftSize=2*this.fftSize,this.analyser.smoothingTimeConstant=this.smoothingTimeConstant,r.connect(this.analyser),this.freqData=new Float32Array(this.fftSize),this.timeData=new Float32Array(this.fftSize),[2];}});});},e.prototype.next=function(){return s(this,void 0,void 0,function(){var t,e,n,r,i;return u(this,function(o){switch(o.label){case 0:return this.isClosed?[2,{value:null,done:!0}]:[4,this.getAudioData()];case 1:return n=o.sent(),this.includeSpectrogram&&(r=this.flattenQueue(n.freqDataQueue),t=this.getTensorFromAudioDataArray(r,[this.numFrames,this.columnTruncateLength,1])),this.includeWaveform&&(i=this.flattenQueue(n.timeDataQueue),e=this.getTensorFromAudioDataArray(i,[this.numFrames*this.fftSize,1])),[2,{value:{spectrogram:t,waveform:e},done:!1}];}});});},e.prototype.capture=function(){return s(this,void 0,void 0,function(){return u(this,function(t){switch(t.label){case 0:return [4,this.next()];case 1:return [2,t.sent().value];}});});},e.prototype.getAudioData=function(){return s(this,void 0,void 0,function(){var t,e,n,r=this;return u(this,function(i){return t=[],e=[],n=0,[2,new Promise(function(i){var o=setInterval(function(){r.includeSpectrogram&&(r.analyser.getFloatFrequencyData(r.freqData),r.freqData[0]===-1/0&&i({freqDataQueue:t,timeDataQueue:e}),t.push(r.freqData.slice(0,r.columnTruncateLength))),r.includeWaveform&&(r.analyser.getFloatTimeDomainData(r.timeData),e.push(r.timeData.slice())),++n===r.numFrames&&(clearInterval(o),i({freqDataQueue:t,timeDataQueue:e}));},r.fftSize/r.sampleRateHz*1e3);})];});});},e.prototype.stop=function(){this.isClosed||(this.isClosed=!0,this.analyser.disconnect(),this.audioContext.close(),null!=this.stream&&this.stream.getTracks().length>0&&this.stream.getTracks()[0].stop());},e.prototype.toArray=function(){throw new Error("Can not convert infinite audio stream to array.");},e.prototype.getSampleRate=function(){return this.sampleRateHz;},e.prototype.flattenQueue=function(t){var e=t[0].length,n=new Float32Array(t.length*e);return t.forEach(function(t,r){return n.set(t,r*e);}),n;},e.prototype.getTensorFromAudioDataArray=function(t,e){var n=new Float32Array(i.util.sizeFromShape(e));return n.set(t,n.length-t.length),Object(i.tensor)(n,e);},e;}(F),at=function(t){function e(e,n){var r=t.call(this)||this;if(r.webcamVideoElement=e,r.webcamConfig=n,r.isClosed=!0,r.resize=!1,r.needToResize())if(r.resize=!0,r.cropSize=[r.webcamConfig.resizeHeight,r.webcamConfig.resizeWidth],r.cropBoxInd=Object(i.tensor1d)([0],"int32"),r.webcamConfig.centerCrop){var o=1*r.webcamConfig.resizeWidth/r.webcamVideoElement.width,a=1*r.webcamConfig.resizeHeight/r.webcamVideoElement.height,s=(1-o)/2,u=(1-a)/2,c=s+o,l=a+u;r.cropBox=Object(i.tensor2d)([u,s,l,c],[1,4]);}else r.cropBox=Object(i.tensor2d)([0,0,1,1],[1,4]);return r;}return a(e,t),e.prototype.summary=function(){return "webcam";},e.create=function(t,n){return void 0===n&&(n={}),s(this,void 0,void 0,function(){var r;return u(this,function(o){switch(o.label){case 0:if(Object(i.env)().get("IS_NODE"))throw new Error("tf.data.webcam is only supported in browser environment.");if(!t){if(t=document.createElement("video"),!n.resizeWidth||!n.resizeHeight)throw new Error("Please provide webcam video element, or resizeWidth and resizeHeight to create a hidden video element.");t.width=n.resizeWidth,t.height=n.resizeHeight;}return [4,(r=new e(t,n)).start()];case 1:return o.sent(),[2,r];}});});},e.prototype.start=function(){return s(this,void 0,void 0,function(){var t,e,n=this;return u(this,function(r){switch(r.label){case 0:this.webcamConfig.facingMode&&i.util.assert("user"===this.webcamConfig.facingMode||"environment"===this.webcamConfig.facingMode,function(){return "Invalid webcam facing mode: "+n.webcamConfig.facingMode+". Please provide 'user' or 'environment'";}),r.label=1;case 1:return r.trys.push([1,3,,4]),t=this,[4,navigator.mediaDevices.getUserMedia({video:{deviceId:this.webcamConfig.deviceId,facingMode:this.webcamConfig.facingMode?this.webcamConfig.facingMode:"user",width:this.webcamVideoElement.width,height:this.webcamVideoElement.height}})];case 2:return t.stream=r.sent(),[3,4];case 3:throw (e=r.sent()).message="Error thrown while initializing video stream: "+e.message,e;case 4:if(!this.stream)throw new Error("Could not obtain video from webcam.");try{this.webcamVideoElement.srcObject=this.stream;}catch(t){console.log(t),this.webcamVideoElement.src=window.URL.createObjectURL(this.stream);}return this.webcamVideoElement.play(),this.isClosed=!1,[2,new Promise(function(t){n.webcamVideoElement.onloadedmetadata=function(){t();};})];}});});},e.prototype.next=function(){return s(this,void 0,void 0,function(){var t;return u(this,function(e){if(this.isClosed)return [2,{value:null,done:!0}];try{t=i.browser.fromPixels(this.webcamVideoElement);}catch(t){throw new Error("Error thrown converting video to pixels: "+JSON.stringify(t));}if(!this.resize)return [2,{value:t,done:!1}];try{return [2,{value:this.cropAndResizeFrame(t),done:!1}];}catch(t){throw new Error("Error thrown cropping the video: "+t.message);}finally{t.dispose();}return [2];});});},e.prototype.needToResize=function(){return !(!this.webcamConfig.resizeWidth||!this.webcamConfig.resizeHeight||this.webcamVideoElement.width===this.webcamConfig.resizeWidth&&this.webcamVideoElement.height===this.webcamConfig.resizeHeight);},e.prototype.cropAndResizeFrame=function(t){var e=this;return Object(i.tidy)(function(){var n,r=t.toFloat().expandDims(0),o=(n=i.image.cropAndResize(r,e.cropBox,e.cropBoxInd,e.cropSize,"bilinear")).shape;return n.reshape(o.slice(1));});},e.prototype.capture=function(){return s(this,void 0,void 0,function(){return u(this,function(t){switch(t.label){case 0:return [4,this.next()];case 1:return [2,t.sent().value];}});});},e.prototype.stop=function(){this.stream.getTracks().forEach(function(t){return t.stop();});try{this.webcamVideoElement.srcObject=null;}catch(t){console.log(t),this.webcamVideoElement.src=null;}this.isClosed=!0;},e.prototype.toArray=function(){throw new Error("Can not convert infinite video stream to array.");},e;}(F),st=function st(){},ut=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return a(e,t),e.prototype.split=function(t){return new ct(this,t);},e;}(F),ct=function(t){function e(e,n){var r=t.call(this)||this;return r.upstream=e,r.impl=new lt(e,n),r;}return a(e,t),e.prototype.summary=function(){return this.impl.summary();},e.prototype.next=function(){return s(this,void 0,void 0,function(){return u(this,function(t){return [2,this.impl.next()];});});},e;}(ut),lt=function(t){function e(e,n){var r=t.call(this)||this;return r.upstream=e,r.separator=n,r.carryover="",r;}return 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 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
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 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
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 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
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    * Copyright 2019 Google LLC. All Rights Reserved.
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    * you may not use this file except in compliance with the License.
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    *
    * http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    * =============================================================================
    */function I(t,e,n,r){return new(n||(n=Promise))(function(i,o){function a(t){try{u(r.next(t));}catch(t){o(t);}}function s(t){try{u(r.throw(t));}catch(t){o(t);}}function u(t){t.done?i(t.value):new n(function(e){e(t.value);}).then(a,s);}u((r=r.apply(t,e||[])).next());});}function R(t,e){var n,r,i,o,a={label:0,sent:function sent(){if(1&i[0])throw i[1];return i[1];},trys:[],ops:[]};return o={next:s(0),throw:s(1),return:s(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this;}),o;function s(o){return function(s){return function(o){if(n)throw new TypeError("Generator is already executing.");for(;a;){try{if(n=1,r&&(i=2&o[0]?r.return:o[0]?r.throw||((i=r.return)&&i.call(r),0):r.next)&&!(i=i.call(r,o[1])).done)return i;switch(r=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return a.label++,{value:o[1],done:!1};case 5:a.label++,r=o[1],o=[0];continue;case 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cyanea",15:"robin, American robin, Turdus migratorius",16:"bulbul",17:"jay",18:"magpie",19:"chickadee",20:"water ouzel, dipper",21:"kite",22:"bald eagle, American eagle, Haliaeetus leucocephalus",23:"vulture",24:"great grey owl, great gray owl, Strix nebulosa",25:"European fire salamander, Salamandra salamandra",26:"common newt, Triturus vulgaris",27:"eft",28:"spotted salamander, Ambystoma maculatum",29:"axolotl, mud puppy, Ambystoma mexicanum",30:"bullfrog, Rana catesbeiana",31:"tree frog, tree-frog",32:"tailed frog, bell toad, ribbed toad, tailed toad, Ascaphus trui",33:"loggerhead, loggerhead turtle, Caretta caretta",34:"leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea",35:"mud turtle",36:"terrapin",37:"box turtle, box tortoise",38:"banded gecko",39:"common iguana, iguana, Iguana iguana",40:"American chameleon, anole, Anolis carolinensis",41:"whiptail, whiptail lizard",42:"agama",43:"frilled lizard, Chlamydosaurus kingi",44:"alligator lizard",45:"Gila monster, Heloderma suspectum",46:"green lizard, Lacerta viridis",47:"African chameleon, Chamaeleo chamaeleon",48:"Komodo dragon, Komodo lizard, dragon lizard, giant lizard, Varanus komodoensis",49:"African crocodile, Nile crocodile, Crocodylus niloticus",50:"American alligator, Alligator mississipiensis",51:"triceratops",52:"thunder snake, worm snake, Carphophis amoenus",53:"ringneck snake, ring-necked snake, ring snake",54:"hognose snake, puff adder, sand viper",55:"green snake, grass snake",56:"king snake, kingsnake",57:"garter snake, grass snake",58:"water snake",59:"vine snake",60:"night snake, Hypsiglena torquata",61:"boa constrictor, Constrictor constrictor",62:"rock python, rock snake, Python sebae",63:"Indian cobra, Naja naja",64:"green mamba",65:"sea snake",66:"horned viper, cerastes, sand viper, horned asp, Cerastes cornutus",67:"diamondback, diamondback rattlesnake, Crotalus adamanteus",68:"sidewinder, horned rattlesnake, Crotalus cerastes",69:"trilobite",70:"harvestman, daddy longlegs, Phalangium opilio",71:"scorpion",72:"black and gold garden spider, Argiope aurantia",73:"barn spider, Araneus cavaticus",74:"garden spider, Aranea diademata",75:"black widow, Latrodectus mactans",76:"tarantula",77:"wolf spider, hunting spider",78:"tick",79:"centipede",80:"black grouse",81:"ptarmigan",82:"ruffed grouse, partridge, Bonasa umbellus",83:"prairie chicken, prairie grouse, prairie fowl",84:"peacock",85:"quail",86:"partridge",87:"African grey, African gray, Psittacus erithacus",88:"macaw",89:"sulphur-crested cockatoo, Kakatoe galerita, Cacatua galerita",90:"lorikeet",91:"coucal",92:"bee eater",93:"hornbill",94:"hummingbird",95:"jacamar",96:"toucan",97:"drake",98:"red-breasted merganser, Mergus serrator",99:"goose",100:"black swan, Cygnus atratus",101:"tusker",102:"echidna, spiny anteater, anteater",103:"platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus",104:"wallaby, brush kangaroo",105:"koala, koala bear, kangaroo bear, native bear, Phascolarctos cinereus",106:"wombat",107:"jelly fish",108:"sea anemone, anemone",109:"brain coral",110:"flatworm, platyhelminth",111:"nematode, nematode worm, roundworm",112:"conch",113:"snail",114:"slug",115:"sea slug, nudibranch",116:"chiton, coat-of-mail shell, sea cradle, polyplacophore",117:"chambered nautilus, pearly nautilus, nautilus",118:"Dungeness crab, Cancer magister",119:"rock crab, Cancer irroratus",120:"fiddler crab",121:"king crab, Alaska crab, Alaskan king crab, Alaska king crab, Paralithodes camtschatica",122:"American lobster, Northern lobster, Maine lobster, Homarus americanus",123:"spiny lobster, langouste, rock lobster, crawfish, crayfish, sea crawfish",124:"crayfish, crawfish, crawdad, crawdaddy",125:"hermit crab",126:"isopod",127:"white stork, Ciconia ciconia",128:"black stork, Ciconia nigra",129:"spoonbill",130:"flamingo",131:"little blue heron, Egretta caerulea",132:"American egret, great white heron, Egretta albus",133:"bittern",134:"crane",135:"limpkin, Aramus pictus",136:"European gallinule, Porphyrio porphyrio",137:"American coot, marsh hen, mud hen, water hen, Fulica americana",138:"bustard",139:"ruddy turnstone, Arenaria interpres",140:"red-backed sandpiper, dunlin, Erolia alpina",141:"redshank, Tringa totanus",142:"dowitcher",143:"oystercatcher, oyster catcher",144:"pelican",145:"king penguin, Aptenodytes patagonica",146:"albatross, mollymawk",147:"grey whale, gray whale, devilfish, Eschrichtius gibbosus, Eschrichtius robustus",148:"killer whale, killer, orca, grampus, sea wolf, Orcinus orca",149:"dugong, Dugong dugon",150:"sea lion",151:"Chihuahua",152:"Japanese spaniel",153:"Maltese dog, Maltese terrier, Maltese",154:"Pekinese, Pekingese, Peke",155:"Shih-Tzu",156:"Blenheim spaniel",157:"papillon",158:"toy terrier",159:"Rhodesian ridgeback",160:"Afghan hound, Afghan",161:"basset, basset hound",162:"beagle",163:"bloodhound, sleuthhound",164:"bluetick",165:"black-and-tan coonhound",166:"Walker hound, Walker foxhound",167:"English foxhound",168:"redbone",169:"borzoi, Russian wolfhound",170:"Irish wolfhound",171:"Italian greyhound",172:"whippet",173:"Ibizan hound, Ibizan Podenco",174:"Norwegian elkhound, elkhound",175:"otterhound, otter hound",176:"Saluki, gazelle hound",177:"Scottish deerhound, deerhound",178:"Weimaraner",179:"Staffordshire bullterrier, Staffordshire bull terrier",180:"American Staffordshire terrier, Staffordshire terrier, American pit bull terrier, pit bull terrier",181:"Bedlington terrier",182:"Border terrier",183:"Kerry blue terrier",184:"Irish terrier",185:"Norfolk terrier",186:"Norwich terrier",187:"Yorkshire terrier",188:"wire-haired fox terrier",189:"Lakeland terrier",190:"Sealyham terrier, Sealyham",191:"Airedale, Airedale terrier",192:"cairn, cairn terrier",193:"Australian terrier",194:"Dandie Dinmont, Dandie Dinmont terrier",195:"Boston bull, Boston terrier",196:"miniature schnauzer",197:"giant schnauzer",198:"standard schnauzer",199:"Scotch terrier, Scottish terrier, Scottie",200:"Tibetan terrier, chrysanthemum dog",201:"silky terrier, Sydney silky",202:"soft-coated wheaten terrier",203:"West Highland white terrier",204:"Lhasa, Lhasa apso",205:"flat-coated retriever",206:"curly-coated retriever",207:"golden retriever",208:"Labrador retriever",209:"Chesapeake Bay retriever",210:"German short-haired pointer",211:"vizsla, Hungarian pointer",212:"English setter",213:"Irish setter, red setter",214:"Gordon setter",215:"Brittany spaniel",216:"clumber, clumber spaniel",217:"English springer, English springer spaniel",218:"Welsh springer spaniel",219:"cocker spaniel, English cocker spaniel, cocker",220:"Sussex spaniel",221:"Irish water spaniel",222:"kuvasz",223:"schipperke",224:"groenendael",225:"malinois",226:"briard",227:"kelpie",228:"komondor",229:"Old English sheepdog, bobtail",230:"Shetland sheepdog, Shetland sheep dog, Shetland",231:"collie",232:"Border collie",233:"Bouvier des Flandres, Bouviers des Flandres",234:"Rottweiler",235:"German shepherd, German shepherd dog, German police dog, alsatian",236:"Doberman, Doberman pinscher",237:"miniature pinscher",238:"Greater Swiss Mountain dog",239:"Bernese mountain dog",240:"Appenzeller",241:"EntleBucher",242:"boxer",243:"bull mastiff",244:"Tibetan mastiff",245:"French bulldog",246:"Great Dane",247:"Saint Bernard, St Bernard",248:"Eskimo dog, husky",249:"malamute, malemute, Alaskan malamute",250:"Siberian husky",251:"dalmatian, coach dog, carriage dog",252:"affenpinscher, monkey pinscher, monkey dog",253:"basenji",254:"pug, pug-dog",255:"Leonberg",256:"Newfoundland, Newfoundland dog",257:"Great Pyrenees",258:"Samoyed, Samoyede",259:"Pomeranian",260:"chow, chow chow",261:"keeshond",262:"Brabancon griffon",263:"Pembroke, Pembroke Welsh corgi",264:"Cardigan, Cardigan Welsh corgi",265:"toy poodle",266:"miniature poodle",267:"standard poodle",268:"Mexican hairless",269:"timber wolf, grey wolf, gray wolf, Canis lupus",270:"white wolf, Arctic wolf, Canis lupus tundrarum",271:"red wolf, maned wolf, Canis rufus, Canis niger",272:"coyote, prairie wolf, brush wolf, Canis latrans",273:"dingo, warrigal, warragal, Canis dingo",274:"dhole, Cuon alpinus",275:"African hunting dog, hyena dog, Cape hunting dog, Lycaon pictus",276:"hyena, hyaena",277:"red fox, Vulpes vulpes",278:"kit fox, Vulpes macrotis",279:"Arctic fox, white fox, Alopex lagopus",280:"grey fox, gray fox, Urocyon cinereoargenteus",281:"tabby, tabby cat",282:"tiger cat",283:"Persian cat",284:"Siamese cat, Siamese",285:"Egyptian cat",286:"cougar, puma, catamount, mountain lion, painter, panther, Felis concolor",287:"lynx, catamount",288:"leopard, Panthera pardus",289:"snow leopard, ounce, Panthera uncia",290:"jaguar, panther, Panthera onca, Felis onca",291:"lion, king of beasts, Panthera leo",292:"tiger, Panthera tigris",293:"cheetah, chetah, Acinonyx jubatus",294:"brown bear, bruin, Ursus arctos",295:"American black bear, black bear, Ursus americanus, Euarctos americanus",296:"ice bear, polar bear, Ursus Maritimus, Thalarctos maritimus",297:"sloth bear, Melursus ursinus, Ursus ursinus",298:"mongoose",299:"meerkat, mierkat",300:"tiger beetle",301:"ladybug, ladybeetle, lady beetle, ladybird, ladybird beetle",302:"ground beetle, carabid beetle",303:"long-horned beetle, longicorn, longicorn beetle",304:"leaf beetle, chrysomelid",305:"dung beetle",306:"rhinoceros beetle",307:"weevil",308:"fly",309:"bee",310:"ant, emmet, pismire",311:"grasshopper, hopper",312:"cricket",313:"walking stick, walkingstick, stick insect",314:"cockroach, roach",315:"mantis, mantid",316:"cicada, cicala",317:"leafhopper",318:"lacewing, lacewing fly",319:"dragonfly, darning needle, devil's darning needle, sewing needle, snake feeder, snake doctor, mosquito hawk, skeeter hawk",320:"damselfly",321:"admiral",322:"ringlet, ringlet butterfly",323:"monarch, monarch butterfly, milkweed butterfly, Danaus plexippus",324:"cabbage butterfly",325:"sulphur butterfly, sulfur butterfly",326:"lycaenid, lycaenid butterfly",327:"starfish, sea star",328:"sea urchin",329:"sea cucumber, holothurian",330:"wood rabbit, cottontail, cottontail rabbit",331:"hare",332:"Angora, Angora rabbit",333:"hamster",334:"porcupine, hedgehog",335:"fox squirrel, eastern fox squirrel, Sciurus niger",336:"marmot",337:"beaver",338:"guinea pig, Cavia cobaya",339:"sorrel",340:"zebra",341:"hog, pig, grunter, squealer, Sus scrofa",342:"wild boar, boar, Sus scrofa",343:"warthog",344:"hippopotamus, hippo, river horse, Hippopotamus amphibius",345:"ox",346:"water buffalo, water ox, Asiatic buffalo, Bubalus bubalis",347:"bison",348:"ram, tup",349:"bighorn, bighorn sheep, cimarron, Rocky Mountain bighorn, Rocky Mountain sheep, Ovis canadensis",350:"ibex, Capra ibex",351:"hartebeest",352:"impala, Aepyceros melampus",353:"gazelle",354:"Arabian camel, dromedary, Camelus dromedarius",355:"llama",356:"weasel",357:"mink",358:"polecat, fitch, foulmart, foumart, Mustela putorius",359:"black-footed ferret, ferret, Mustela nigripes",360:"otter",361:"skunk, polecat, wood pussy",362:"badger",363:"armadillo",364:"three-toed sloth, ai, Bradypus tridactylus",365:"orangutan, orang, orangutang, Pongo pygmaeus",366:"gorilla, Gorilla gorilla",367:"chimpanzee, chimp, Pan troglodytes",368:"gibbon, Hylobates lar",369:"siamang, Hylobates syndactylus, Symphalangus syndactylus",370:"guenon, guenon monkey",371:"patas, hussar monkey, Erythrocebus patas",372:"baboon",373:"macaque",374:"langur",375:"colobus, colobus monkey",376:"proboscis monkey, Nasalis larvatus",377:"marmoset",378:"capuchin, ringtail, Cebus capucinus",379:"howler monkey, howler",380:"titi, titi monkey",381:"spider monkey, Ateles geoffroyi",382:"squirrel monkey, Saimiri sciureus",383:"Madagascar cat, ring-tailed lemur, Lemur catta",384:"indri, indris, Indri indri, Indri brevicaudatus",385:"Indian elephant, Elephas maximus",386:"African elephant, Loxodonta africana",387:"lesser panda, red panda, panda, bear cat, cat bear, Ailurus fulgens",388:"giant panda, panda, panda bear, coon bear, Ailuropoda melanoleuca",389:"barracouta, snoek",390:"eel",391:"coho, cohoe, coho salmon, blue jack, silver salmon, Oncorhynchus kisutch",392:"rock beauty, Holocanthus tricolor",393:"anemone fish",394:"sturgeon",395:"gar, garfish, garpike, billfish, Lepisosteus osseus",396:"lionfish",397:"puffer, pufferfish, blowfish, globefish",398:"abacus",399:"abaya",400:"academic gown, academic robe, judge's robe",401:"accordion, piano accordion, squeeze box",402:"acoustic guitar",403:"aircraft carrier, carrier, flattop, attack aircraft carrier",404:"airliner",405:"airship, dirigible",406:"altar",407:"ambulance",408:"amphibian, amphibious vehicle",409:"analog clock",410:"apiary, bee house",411:"apron",412:"ashcan, trash can, garbage can, wastebin, ash bin, ash-bin, ashbin, dustbin, trash barrel, trash bin",413:"assault rifle, assault gun",414:"backpack, back pack, knapsack, packsack, rucksack, haversack",415:"bakery, bakeshop, bakehouse",416:"balance beam, beam",417:"balloon",418:"ballpoint, ballpoint pen, ballpen, Biro",419:"Band Aid",420:"banjo",421:"bannister, banister, balustrade, balusters, handrail",422:"barbell",423:"barber chair",424:"barbershop",425:"barn",426:"barometer",427:"barrel, cask",428:"barrow, garden cart, lawn cart, wheelbarrow",429:"baseball",430:"basketball",431:"bassinet",432:"bassoon",433:"bathing cap, swimming cap",434:"bath towel",435:"bathtub, bathing tub, bath, tub",436:"beach wagon, station wagon, wagon, estate car, beach waggon, station waggon, waggon",437:"beacon, lighthouse, beacon light, pharos",438:"beaker",439:"bearskin, busby, shako",440:"beer bottle",441:"beer glass",442:"bell cote, bell cot",443:"bib",444:"bicycle-built-for-two, tandem bicycle, tandem",445:"bikini, two-piece",446:"binder, ring-binder",447:"binoculars, field glasses, opera glasses",448:"birdhouse",449:"boathouse",450:"bobsled, bobsleigh, bob",451:"bolo tie, bolo, bola tie, bola",452:"bonnet, poke bonnet",453:"bookcase",454:"bookshop, bookstore, bookstall",455:"bottlecap",456:"bow",457:"bow tie, bow-tie, bowtie",458:"brass, memorial tablet, plaque",459:"brassiere, bra, bandeau",460:"breakwater, groin, groyne, mole, bulwark, seawall, jetty",461:"breastplate, aegis, egis",462:"broom",463:"bucket, pail",464:"buckle",465:"bulletproof vest",466:"bullet train, bullet",467:"butcher shop, meat market",468:"cab, hack, taxi, taxicab",469:"caldron, cauldron",470:"candle, taper, wax light",471:"cannon",472:"canoe",473:"can opener, tin opener",474:"cardigan",475:"car mirror",476:"carousel, carrousel, merry-go-round, roundabout, whirligig",477:"carpenter's kit, tool kit",478:"carton",479:"car wheel",480:"cash machine, cash dispenser, automated teller machine, automatic teller machine, automated teller, automatic teller, ATM",481:"cassette",482:"cassette player",483:"castle",484:"catamaran",485:"CD player",486:"cello, violoncello",487:"cellular telephone, cellular phone, cellphone, cell, mobile phone",488:"chain",489:"chainlink fence",490:"chain mail, ring mail, mail, chain armor, chain armour, ring armor, ring armour",491:"chain saw, chainsaw",492:"chest",493:"chiffonier, commode",494:"chime, bell, gong",495:"china cabinet, china closet",496:"Christmas stocking",497:"church, church building",498:"cinema, movie theater, movie theatre, movie house, picture palace",499:"cleaver, meat cleaver, chopper",500:"cliff dwelling",501:"cloak",502:"clog, geta, patten, sabot",503:"cocktail shaker",504:"coffee mug",505:"coffeepot",506:"coil, spiral, volute, whorl, helix",507:"combination lock",508:"computer keyboard, keypad",509:"confectionery, confectionary, candy store",510:"container ship, containership, container vessel",511:"convertible",512:"corkscrew, bottle screw",513:"cornet, horn, trumpet, trump",514:"cowboy boot",515:"cowboy hat, ten-gallon hat",516:"cradle",517:"crane",518:"crash helmet",519:"crate",520:"crib, cot",521:"Crock Pot",522:"croquet ball",523:"crutch",524:"cuirass",525:"dam, dike, dyke",526:"desk",527:"desktop computer",528:"dial telephone, dial phone",529:"diaper, nappy, napkin",530:"digital clock",531:"digital watch",532:"dining table, board",533:"dishrag, dishcloth",534:"dishwasher, dish washer, dishwashing machine",535:"disk brake, disc brake",536:"dock, dockage, docking facility",537:"dogsled, dog sled, dog sleigh",538:"dome",539:"doormat, welcome mat",540:"drilling platform, offshore rig",541:"drum, membranophone, tympan",542:"drumstick",543:"dumbbell",544:"Dutch oven",545:"electric fan, blower",546:"electric guitar",547:"electric locomotive",548:"entertainment center",549:"envelope",550:"espresso maker",551:"face powder",552:"feather boa, boa",553:"file, file cabinet, filing cabinet",554:"fireboat",555:"fire engine, fire truck",556:"fire screen, fireguard",557:"flagpole, flagstaff",558:"flute, transverse flute",559:"folding chair",560:"football helmet",561:"forklift",562:"fountain",563:"fountain pen",564:"four-poster",565:"freight car",566:"French horn, horn",567:"frying pan, frypan, skillet",568:"fur coat",569:"garbage truck, dustcart",570:"gasmask, respirator, gas helmet",571:"gas pump, gasoline pump, petrol pump, island dispenser",572:"goblet",573:"go-kart",574:"golf ball",575:"golfcart, golf cart",576:"gondola",577:"gong, tam-tam",578:"gown",579:"grand piano, grand",580:"greenhouse, nursery, glasshouse",581:"grille, radiator grille",582:"grocery store, grocery, food market, market",583:"guillotine",584:"hair slide",585:"hair spray",586:"half track",587:"hammer",588:"hamper",589:"hand blower, blow dryer, blow drier, hair dryer, hair drier",590:"hand-held computer, hand-held microcomputer",591:"handkerchief, hankie, hanky, hankey",592:"hard disc, hard disk, fixed disk",593:"harmonica, mouth organ, harp, mouth harp",594:"harp",595:"harvester, reaper",596:"hatchet",597:"holster",598:"home theater, home theatre",599:"honeycomb",600:"hook, claw",601:"hoopskirt, crinoline",602:"horizontal bar, high bar",603:"horse cart, horse-cart",604:"hourglass",605:"iPod",606:"iron, smoothing iron",607:"jack-o'-lantern",608:"jean, blue jean, denim",609:"jeep, landrover",610:"jersey, T-shirt, tee shirt",611:"jigsaw puzzle",612:"jinrikisha, ricksha, rickshaw",613:"joystick",614:"kimono",615:"knee pad",616:"knot",617:"lab coat, laboratory coat",618:"ladle",619:"lampshade, lamp shade",620:"laptop, laptop computer",621:"lawn mower, mower",622:"lens cap, lens cover",623:"letter opener, paper knife, paperknife",624:"library",625:"lifeboat",626:"lighter, light, igniter, ignitor",627:"limousine, limo",628:"liner, ocean liner",629:"lipstick, lip rouge",630:"Loafer",631:"lotion",632:"loudspeaker, speaker, speaker unit, loudspeaker system, speaker system",633:"loupe, jeweler's loupe",634:"lumbermill, sawmill",635:"magnetic compass",636:"mailbag, postbag",637:"mailbox, letter box",638:"maillot",639:"maillot, tank suit",640:"manhole cover",641:"maraca",642:"marimba, xylophone",643:"mask",644:"matchstick",645:"maypole",646:"maze, labyrinth",647:"measuring cup",648:"medicine chest, medicine cabinet",649:"megalith, megalithic structure",650:"microphone, mike",651:"microwave, microwave oven",652:"military uniform",653:"milk can",654:"minibus",655:"miniskirt, mini",656:"minivan",657:"missile",658:"mitten",659:"mixing bowl",660:"mobile home, manufactured home",661:"Model T",662:"modem",663:"monastery",664:"monitor",665:"moped",666:"mortar",667:"mortarboard",668:"mosque",669:"mosquito net",670:"motor scooter, scooter",671:"mountain bike, all-terrain bike, off-roader",672:"mountain tent",673:"mouse, computer mouse",674:"mousetrap",675:"moving van",676:"muzzle",677:"nail",678:"neck brace",679:"necklace",680:"nipple",681:"notebook, notebook computer",682:"obelisk",683:"oboe, hautboy, hautbois",684:"ocarina, sweet potato",685:"odometer, hodometer, mileometer, milometer",686:"oil filter",687:"organ, pipe organ",688:"oscilloscope, scope, cathode-ray oscilloscope, CRO",689:"overskirt",690:"oxcart",691:"oxygen mask",692:"packet",693:"paddle, boat paddle",694:"paddlewheel, paddle wheel",695:"padlock",696:"paintbrush",697:"pajama, pyjama, pj's, jammies",698:"palace",699:"panpipe, pandean pipe, syrinx",700:"paper towel",701:"parachute, chute",702:"parallel bars, bars",703:"park bench",704:"parking meter",705:"passenger car, coach, carriage",706:"patio, terrace",707:"pay-phone, pay-station",708:"pedestal, plinth, footstall",709:"pencil box, pencil case",710:"pencil sharpener",711:"perfume, essence",712:"Petri dish",713:"photocopier",714:"pick, plectrum, plectron",715:"pickelhaube",716:"picket fence, paling",717:"pickup, pickup truck",718:"pier",719:"piggy bank, penny bank",720:"pill bottle",721:"pillow",722:"ping-pong ball",723:"pinwheel",724:"pirate, pirate ship",725:"pitcher, ewer",726:"plane, carpenter's plane, woodworking plane",727:"planetarium",728:"plastic bag",729:"plate rack",730:"plow, plough",731:"plunger, plumber's helper",732:"Polaroid camera, Polaroid Land camera",733:"pole",734:"police van, police wagon, paddy wagon, patrol wagon, wagon, black Maria",735:"poncho",736:"pool table, billiard table, snooker table",737:"pop bottle, soda bottle",738:"pot, flowerpot",739:"potter's wheel",740:"power drill",741:"prayer rug, prayer mat",742:"printer",743:"prison, prison house",744:"projectile, missile",745:"projector",746:"puck, hockey puck",747:"punching bag, punch bag, punching ball, punchball",748:"purse",749:"quill, quill pen",750:"quilt, comforter, comfort, puff",751:"racer, race car, racing car",752:"racket, racquet",753:"radiator",754:"radio, wireless",755:"radio telescope, radio reflector",756:"rain barrel",757:"recreational vehicle, RV, R.V.",758:"reel",759:"reflex camera",760:"refrigerator, icebox",761:"remote control, remote",762:"restaurant, eating house, eating place, eatery",763:"revolver, six-gun, six-shooter",764:"rifle",765:"rocking chair, rocker",766:"rotisserie",767:"rubber eraser, rubber, pencil eraser",768:"rugby ball",769:"rule, ruler",770:"running shoe",771:"safe",772:"safety pin",773:"saltshaker, salt shaker",774:"sandal",775:"sarong",776:"sax, saxophone",777:"scabbard",778:"scale, weighing machine",779:"school bus",780:"schooner",781:"scoreboard",782:"screen, CRT screen",783:"screw",784:"screwdriver",785:"seat belt, seatbelt",786:"sewing machine",787:"shield, buckler",788:"shoe shop, shoe-shop, shoe store",789:"shoji",790:"shopping basket",791:"shopping cart",792:"shovel",793:"shower cap",794:"shower curtain",795:"ski",796:"ski mask",797:"sleeping bag",798:"slide rule, slipstick",799:"sliding door",800:"slot, one-armed bandit",801:"snorkel",802:"snowmobile",803:"snowplow, snowplough",804:"soap dispenser",805:"soccer ball",806:"sock",807:"solar dish, solar collector, solar furnace",808:"sombrero",809:"soup bowl",810:"space bar",811:"space heater",812:"space shuttle",813:"spatula",814:"speedboat",815:"spider web, spider's web",816:"spindle",817:"sports car, sport car",818:"spotlight, spot",819:"stage",820:"steam locomotive",821:"steel arch bridge",822:"steel drum",823:"stethoscope",824:"stole",825:"stone wall",826:"stopwatch, stop watch",827:"stove",828:"strainer",829:"streetcar, tram, tramcar, trolley, trolley car",830:"stretcher",831:"studio couch, day bed",832:"stupa, tope",833:"submarine, pigboat, sub, U-boat",834:"suit, suit of clothes",835:"sundial",836:"sunglass",837:"sunglasses, dark glasses, shades",838:"sunscreen, sunblock, sun blocker",839:"suspension bridge",840:"swab, swob, mop",841:"sweatshirt",842:"swimming trunks, bathing trunks",843:"swing",844:"switch, electric switch, electrical switch",845:"syringe",846:"table lamp",847:"tank, army tank, armored combat vehicle, armoured combat vehicle",848:"tape player",849:"teapot",850:"teddy, teddy bear",851:"television, television system",852:"tennis ball",853:"thatch, thatched roof",854:"theater curtain, theatre curtain",855:"thimble",856:"thresher, thrasher, threshing machine",857:"throne",858:"tile roof",859:"toaster",860:"tobacco shop, tobacconist shop, tobacconist",861:"toilet seat",862:"torch",863:"totem pole",864:"tow truck, tow car, wrecker",865:"toyshop",866:"tractor",867:"trailer truck, tractor trailer, trucking rig, rig, articulated lorry, semi",868:"tray",869:"trench coat",870:"tricycle, trike, velocipede",871:"trimaran",872:"tripod",873:"triumphal arch",874:"trolleybus, trolley coach, trackless trolley",875:"trombone",876:"tub, vat",877:"turnstile",878:"typewriter keyboard",879:"umbrella",880:"unicycle, monocycle",881:"upright, upright piano",882:"vacuum, vacuum cleaner",883:"vase",884:"vault",885:"velvet",886:"vending machine",887:"vestment",888:"viaduct",889:"violin, fiddle",890:"volleyball",891:"waffle iron",892:"wall clock",893:"wallet, billfold, notecase, pocketbook",894:"wardrobe, closet, press",895:"warplane, military plane",896:"washbasin, handbasin, washbowl, lavabo, wash-hand basin",897:"washer, automatic washer, washing machine",898:"water bottle",899:"water jug",900:"water tower",901:"whiskey jug",902:"whistle",903:"wig",904:"window screen",905:"window shade",906:"Windsor tie",907:"wine bottle",908:"wing",909:"wok",910:"wooden spoon",911:"wool, woolen, woollen",912:"worm fence, snake fence, snake-rail fence, Virginia fence",913:"wreck",914:"yawl",915:"yurt",916:"web site, website, internet site, site",917:"comic book",918:"crossword puzzle, crossword",919:"street sign",920:"traffic light, traffic signal, stoplight",921:"book jacket, dust cover, dust jacket, dust wrapper",922:"menu",923:"plate",924:"guacamole",925:"consomme",926:"hot pot, hotpot",927:"trifle",928:"ice cream, icecream",929:"ice lolly, lolly, lollipop, popsicle",930:"French loaf",931:"bagel, beigel",932:"pretzel",933:"cheeseburger",934:"hotdog, hot dog, red hot",935:"mashed potato",936:"head cabbage",937:"broccoli",938:"cauliflower",939:"zucchini, courgette",940:"spaghetti squash",941:"acorn squash",942:"butternut squash",943:"cucumber, cuke",944:"artichoke, globe artichoke",945:"bell pepper",946:"cardoon",947:"mushroom",948:"Granny Smith",949:"strawberry",950:"orange",951:"lemon",952:"fig",953:"pineapple, ananas",954:"banana",955:"jackfruit, jak, jack",956:"custard apple",957:"pomegranate",958:"hay",959:"carbonara",960:"chocolate sauce, chocolate syrup",961:"dough",962:"meat loaf, meatloaf",963:"pizza, pizza pie",964:"potpie",965:"burrito",966:"red wine",967:"espresso",968:"cup",969:"eggnog",970:"alp",971:"bubble",972:"cliff, drop, drop-off",973:"coral reef",974:"geyser",975:"lakeside, lakeshore",976:"promontory, headland, head, foreland",977:"sandbar, sand bar",978:"seashore, coast, seacoast, sea-coast",979:"valley, vale",980:"volcano",981:"ballplayer, baseball player",982:"groom, bridegroom",983:"scuba diver",984:"rapeseed",985:"daisy",986:"yellow lady's slipper, yellow lady-slipper, Cypripedium calceolus, Cypripedium parviflorum",987:"corn",988:"acorn",989:"hip, rose hip, rosehip",990:"buckeye, horse chestnut, 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E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:for(i=Array.from(e),o=document.createElement("canvas"),a=o.getContext("2d"),o.width=n,o.height=r,s=a.createImageData(n,r),u=s.data,c=0;c<n*r*4;c+=1){u[c]=i[c];}return a.putImageData(s,0,0),t.abrupt("return",this.getBlob(o));case 10:case"end":return t.stop();}}},t,this);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"blobToP5Image",value:function(){var t=v()(E.a.mark(function t(e){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(!this.checkP5()||"undefined"==typeof URL){t.next=2;break;}return t.abrupt("return",this.loadAsync(URL.createObjectURL(e)));case 2:return t.abrupt("return",null);case 3:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()}]),t;}())(),it=function it(t,e){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:function(){},r=t,i=document.createElement("video");return r.onplay=function(){var t=r.captureStream();i.srcObject=t,i.width=e,i.height=e,i.autoplay=!0,i.playsinline=!0,i.muted=!0,n();},i;},ot=function ot(t){var e=Y()(t.shape,2),n=e[0],r=e[1],i=t.dataSync(),o=document.createElement("canvas");o.width=r,o.height=n;for(var a=o.getContext("2d"),s=a.getImageData(0,0,o.width,o.height),u=0;u<r*n;u+=1){var c=4*u,l=3*u;s.data[c+0]=Math.floor(256*i[l+0]),s.data[c+1]=Math.floor(256*i[l+1]),s.data[c+2]=Math.floor(256*i[l+2]),s.data[c+3]=255;}a.putImageData(s,0,0);var f=o.toDataURL(),h=document.createElement("img");return h.src=f,h.style.width=r,h.style.height=n,t.dispose(),h;},at=function at(t){var e=Math.min(t.shape[0],t.shape[1]),n=t.shape[0]/2-e/2,r=t.shape[1]/2-e/2;return t.slice([n,r,0],[e,e,3]);},st=function st(t){var e,n,r;if(r=t instanceof HTMLImageElement||t instanceof HTMLCanvasElement||t instanceof HTMLVideoElement||t instanceof ImageData?t:"object"===S()(t)&&(t.elt instanceof HTMLImageElement||t.elt instanceof HTMLCanvasElement||t.elt instanceof HTMLVideoElement||t.elt instanceof ImageData)?t.elt:"object"===S()(t)&&t.canvas instanceof HTMLCanvasElement?t.canvas:t,e=r.width,n=r.height,rt.checkP5()){var i=rt.p5Instance.createGraphics(e,n);return i.push(),i.translate(e,0),i.scale(-1,1),i.image(t,0,0,e,n),i.pop(),i;}var o=document.createElement("canvas");o.width=e,o.height=n;var a=o.getContext("2d");return a.drawImage(r,0,0,e,n),a.translate(e,0),a.scale(-1,1),a.drawImage(o,-1*e,0,e,n),o;};function ut(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;return p.tidy(function(){var n=p.browser.fromPixels(t);return e&&(n=p.image.resizeBilinear(n,e)),at(n).expandDims(0).toFloat().div(p.scalar(127)).sub(p.scalar(1));});}function ct(t){return t instanceof HTMLVideoElement||t instanceof HTMLImageElement||t instanceof HTMLCanvasElement||t instanceof ImageData;}function lt(t){var e,n,r;r=t instanceof HTMLImageElement||t instanceof HTMLCanvasElement||t instanceof HTMLVideoElement||t instanceof ImageData?t:"object"===S()(t)&&(t.elt instanceof HTMLImageElement||t.elt instanceof HTMLCanvasElement||t.elt instanceof HTMLVideoElement||t.elt instanceof ImageData)?t.elt:"object"===S()(t)&&t.canvas instanceof HTMLCanvasElement?t.canvas:t,e=r.width,n=r.height;var i=document.createElement("canvas");i.width=e,i.height=n;var o=i.getContext("2d");o.drawImage(r,0,0,e,n);var a=o.getImageData(0,0,e,n);return Array.from(a.data);}var ft={mobilenet:{version:2,alpha:1,topk:3}},ht=["mobilenet","darknet","darknet-tiny","doodlenet"],dt=function(){function t(e,n,a,s){if(b()(this,t),this.video=n,this.model=null,this.mapStringToIndex=[],"string"==typeof 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t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"loadModelFrom",value:function(){var t=v()(E.a.mark(function t(){var e,n,r,i,o,a,s,u,c=arguments;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(e=c.length>0&&void 0!==c[0]?c[0]:null,t.prev=1,null===e){t.next=7;break;}return t.next=5,F.a.get(e);case 5:r=t.sent,n=r.data;case 7:if(n.ml5Specs&&(this.mapStringToIndex=n.ml5Specs.mapStringToIndex),0!==this.mapStringToIndex.length){t.next=16;break;}return i=e.split("/"),o=i.slice(0,i.length-1).join("/"),a="".concat(o,"/metadata.json"),t.next=14,F.a.get(a).catch(function(t){console.log("Tried to fetch metadata.json, but it seems to be missing.",t);});case 14:(s=t.sent)&&(u=s.data).labels&&(this.mapStringToIndex=u.labels);case 16:return t.next=18,p.loadLayersModel(e);case 18:return this.model=t.sent,t.abrupt("return",this.model);case 22:return t.prev=22,t.t0=t.catch(1),console.error(t.t0),t.abrupt("return",t.t0);case 26:case"end":return t.stop();}}},t,this,[[1,22]]);}));return function(){return t.apply(this,arguments);};}()},{key:"classifyInternal",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o,a,s,u,c=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return t.next=4,p.nextFrame();case 4:if(!(e instanceof HTMLVideoElement&&0===e.readyState)){t.next=8;break;}return r=e,t.next=8,new Promise(function(t){r.onloadeddata=function(){return t();};});case 8:if(!this.video||0!==this.video.readyState){t.next=11;break;}return t.next=11,new Promise(function(t){c.video.onloadeddata=function(){return t();};});case 11:if(i=[224,224],!this.modelUrl){t.next=20;break;}return t.next=15,p.nextFrame();case 15:return o=p.tidy(function(){var t=ut(e,i),n=c.model.predict(t);return Array.from(n.as1D().dataSync());}),t.next=18,o.map(function(t,e){return {label:c.mapStringToIndex.length>0&&c.mapStringToIndex[e]?c.mapStringToIndex[e]:e,confidence:t};}).sort(function(t,e){return e.confidence-t.confidence;});case 18:return a=t.sent,t.abrupt("return",a);case 20:return s=ut(e,i),u=this.model.classify(s,n).then(function(t){return t.map(function(t){return {label:t.className,confidence:t.probability};});}),s.dispose(),t.abrupt("return",u);case 24:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"classify",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o,a,s=arguments;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(n=s.length>1&&void 0!==s[1]?s[1]:null,r=s.length>2?s[2]:void 0,i=this.video,o=this.topk,"function"!=typeof e){t.next=9;break;}i=this.video,a=e,t.next=28;break;case 9:if("number"!=typeof e){t.next=14;break;}i=this.video,o=e,t.next=28;break;case 14:if(!(e instanceof HTMLVideoElement||e instanceof HTMLImageElement||e instanceof HTMLCanvasElement||e instanceof ImageData)){t.next=18;break;}i=e,t.next=28;break;case 18:if("object"!==S()(e)||!(e.elt instanceof HTMLVideoElement||e.elt instanceof HTMLImageElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof ImageData)){t.next=22;break;}i=e.elt,t.next=28;break;case 22:if(!("object"===S()(e)&&e.canvas instanceof HTMLCanvasElement)){t.next=26;break;}i=e.canvas,t.next=28;break;case 26:if(this.video instanceof HTMLVideoElement){t.next=28;break;}throw new Error("No input image provided. 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E.g: "MobileNet"');-1===s.indexOf("http")&&(s=t.toLowerCase()),e instanceof HTMLVideoElement?i=e:"object"===S()(e)&&e.elt instanceof HTMLVideoElement?i=e.elt:"object"===S()(e)?o=e:"function"==typeof e&&(a=e),"object"===S()(n)?o=n:"function"==typeof n&&(a=n);var u=new dt(s,i,o,a);return a?u:u.ready;},_mt=function mt(t,e){return (_mt=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e;}||function(t,e){for(var n in e){e.hasOwnProperty(n)&&(t[n]=e[n]);}})(t,e);};var _gt=function gt(){return (_gt=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++){for(var i in e=arguments[n]){Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i]);}}return t;}).apply(this,arguments);};function vt(t,e,n,r){return new(n||(n=Promise))(function(i,o){function a(t){try{u(r.next(t));}catch(t){o(t);}}function s(t){try{u(r.throw(t));}catch(t){o(t);}}function u(t){t.done?i(t.value):new n(function(e){e(t.value);}).then(a,s);}u((r=r.apply(t,e||[])).next());});}function yt(t,e){var n,r,i,o,a={label:0,sent:function sent(){if(1&i[0])throw i[1];return i[1];},trys:[],ops:[]};return o={next:s(0),throw:s(1),return:s(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this;}),o;function s(o){return function(s){return function(o){if(n)throw new TypeError("Generator is already executing.");for(;a;){try{if(n=1,r&&(i=2&o[0]?r.return:o[0]?r.throw||((i=r.return)&&i.call(r),0):r.next)&&!(i=i.call(r,o[1])).done)return i;switch(r=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return a.label++,{value:o[1],done:!1};case 5:a.label++,r=o[1],o=[0];continue;case 7:o=a.ops.pop(),a.trys.pop();continue;default:if(!(i=(i=a.trys).length>0&&i[i.length-1])&&(6===o[0]||2===o[0])){a=0;continue;}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]<i[3])){a.label=o[1];break;}if(6===o[0]&&a.label<i[1]){a.label=i[1],i=o;break;}if(i&&a.label<i[2]){a.label=i[2],a.ops.push(o);break;}i[2]&&a.ops.pop(),a.trys.pop();continue;}o=e.call(t,a);}catch(t){o=[6,t],r=0;}finally{n=i=0;}}if(5&o[0])throw o[1];return {value:o[0]?o[1]:void 0,done:!0};}([o,s]);};}}function bt(t){var e="function"==typeof Symbol&&t[Symbol.iterator],n=0;return e?e.call(t):{next:function next(){return t&&n>=t.length&&(t=void 0),{value:t&&t[n++],done:!t};}};}function xt(t,e){var n="function"==typeof Symbol&&t[Symbol.iterator];if(!n)return t;var r,i,o=n.call(t),a=[];try{for(;(void 0===e||e-->0)&&!(r=o.next()).done;){a.push(r.value);}}catch(t){i={error:t};}finally{try{r&&!r.done&&(n=o.return)&&n.call(o);}finally{if(i)throw i.error;}}return a;}function wt(){for(var t=[],e=0;e<arguments.length;e++){t=t.concat(xt(arguments[e]));}return t;}var kt=null;function Et(t){return null==kt&&(kt=Object(p.backend)().epsilon()),Object(p.tidy)(function(){var e=Object(p.moments)(t),n=e.mean,r=e.variance;return t.sub(n).div(r.sqrt().add(kt));});}var Ct=function(){function t(t){var e=this;if(null==t)throw new Error("Required configuration object is missing for BrowserFftFeatureExtractor constructor");if(null==t.spectrogramCallback)throw new Error("spectrogramCallback cannot be null or undefined");if(!(t.numFramesPerSpectrogram>0))throw new Error("Invalid value in numFramesPerSpectrogram: "+t.numFramesPerSpectrogram);if(t.suppressionTimeMillis<0)throw new Error("Expected suppressionTimeMillis to be >= 0, but got "+t.suppressionTimeMillis);if(this.suppressionTimeMillis=t.suppressionTimeMillis,this.spectrogramCallback=t.spectrogramCallback,this.numFrames=t.numFramesPerSpectrogram,this.sampleRateHz=t.sampleRateHz||44100,this.fftSize=t.fftSize||1024,this.frameDurationMillis=this.fftSize/this.sampleRateHz*1e3,this.columnTruncateLength=t.columnTruncateLength||this.fftSize,this.overlapFactor=t.overlapFactor,this.includeRawAudio=t.includeRawAudio,p.util.assert(this.overlapFactor>=0&&this.overlapFactor<1,function(){return "Expected overlapFactor to be >= 0 and < 1, but got "+e.overlapFactor;}),this.columnTruncateLength>this.fftSize)throw new Error("columnTruncateLength "+this.columnTruncateLength+" exceeds fftSize ("+this.fftSize+").");this.audioContextConstructor=window.AudioContext||window.webkitAudioContext;}return t.prototype.start=function(t){return vt(this,void 0,void 0,function(){var e,n,r;return yt(this,function(i){switch(i.label){case 0:if(null!=this.frameIntervalTask)throw new Error("Cannot start already-started BrowserFftFeatureExtractor");return e=this,[4,function(t){return vt(this,void 0,void 0,function(){return yt(this,function(e){switch(e.label){case 0:return [4,navigator.mediaDevices.getUserMedia({audio:null==t||t,video:!1})];case 1:return [2,e.sent()];}});});}(t)];case 1:return e.stream=i.sent(),this.audioContext=new this.audioContextConstructor(),this.audioContext.sampleRate!==this.sampleRateHz&&console.warn("Mismatch in sampling rate: Expected: "+this.sampleRateHz+"; Actual: "+this.audioContext.sampleRate),n=this.audioContext.createMediaStreamSource(this.stream),this.analyser=this.audioContext.createAnalyser(),this.analyser.fftSize=2*this.fftSize,this.analyser.smoothingTimeConstant=0,n.connect(this.analyser),this.freqDataQueue=[],this.freqData=new Float32Array(this.fftSize),this.includeRawAudio&&(this.timeDataQueue=[],this.timeData=new Float32Array(this.fftSize)),r=Math.max(1,Math.round(this.numFrames*(1-this.overlapFactor))),this.tracker=new _t(r,Math.round(this.suppressionTimeMillis/this.frameDurationMillis)),this.frameIntervalTask=setInterval(this.onAudioFrame.bind(this),this.fftSize/this.sampleRateHz*1e3),[2];}});});},t.prototype.onAudioFrame=function(){return vt(this,void 0,void 0,function(){var t,e,n,r;return yt(this,function(i){switch(i.label){case 0:return this.analyser.getFloatFrequencyData(this.freqData),this.freqData[0]===-1/0?[2]:(this.freqDataQueue.push(this.freqData.slice(0,this.columnTruncateLength)),this.includeRawAudio&&(this.analyser.getFloatTimeDomainData(this.timeData),this.timeDataQueue.push(this.timeData.slice())),this.freqDataQueue.length>this.numFrames&&this.freqDataQueue.shift(),this.tracker.tick()?(t=At(this.freqDataQueue),e=Ot(t,[1,this.numFrames,this.columnTruncateLength,1]),n=void 0,this.includeRawAudio&&(r=At(this.timeDataQueue),n=Ot(r,[1,this.numFrames*this.fftSize])),[4,this.spectrogramCallback(e,n)]):[3,2]);case 1:i.sent()&&this.tracker.suppress(),Object(p.dispose)([e,n]),i.label=2;case 2:return [2];}});});},t.prototype.stop=function(){return vt(this,void 0,void 0,function(){return yt(this,function(t){if(null==this.frameIntervalTask)throw new Error("Cannot stop because there is no ongoing streaming activity.");return clearInterval(this.frameIntervalTask),this.frameIntervalTask=null,this.analyser.disconnect(),this.audioContext.close(),null!=this.stream&&this.stream.getTracks().length>0&&this.stream.getTracks()[0].stop(),[2];});});},t.prototype.setConfig=function(t){throw new Error("setConfig() is not implemented for BrowserFftFeatureExtractor.");},t.prototype.getFeatures=function(){throw new Error("getFeatures() is not implemented for BrowserFftFeatureExtractor. Use the spectrogramCallback field of the constructor config instead.");},t;}();function At(t){var e=t[0].length,n=new Float32Array(t.length*e);return t.forEach(function(t,r){return n.set(t,r*e);}),n;}function Ot(t,e){var n=new Float32Array(p.util.sizeFromShape(e));return n.set(t,n.length-t.length),Object(p.tensor)(n,e);}var _t=function(){function t(t,e){var n=this;this.period=t,this.suppressionTime=null==e?0:e,this.counter=0,p.util.assert(this.period>0,function(){return "Expected period to be positive, but got "+n.period;});}return t.prototype.tick=function(){return this.counter++,this.counter%this.period==0&&(null==this.suppressionOnset||this.counter-this.suppressionOnset>this.suppressionTime);},t.prototype.suppress=function(){this.suppressionOnset=this.counter;},t;}();function St(t){var e=0;t.forEach(function(t){e+=t.byteLength;});var n=new Uint8Array(e),r=0;return t.forEach(function(t){n.set(new Uint8Array(t),r),r+=t.byteLength;}),n.buffer;}function Dt(t){var e=0;t.forEach(function(t){return e+=t.length;});var n=new Float32Array(e),r=0;return t.forEach(function(t){n.set(t,r),r+=t.length;}),n;}function Ft(t){if(null==t)throw new Error("Received null or undefind string");for(var e=unescape(encodeURIComponent(t)),n=new Uint8Array(e.length),r=0;r<e.length;++r){n[r]=e.charCodeAt(r);}return n.buffer;}function Tt(t){if(null==t)throw new Error("Received null or undefind buffer");var e=new Uint8Array(t);return decodeURIComponent(escape(String.fromCharCode.apply(String,wt(e))));}var Nt="TFJSSCDS",It=1,Rt=function(){function t(t){if(this.examples={},this.label2Ids={},null!=t)for(var e=function(t){p.util.assert(null!=t,function(){return "Received null or undefined buffer";});var e=0,n=Tt(t.slice(e,Nt.length));p.util.assert(n===Nt,function(){return "Deserialization error: Invalid descriptor";}),e+=Nt.length,e+=4;var r=new Uint32Array(t,e,1),i=e+=4;e=i+r[0];var o=Tt(t.slice(i,e));return {manifest:JSON.parse(o),data:t.slice(e)};}(t),n=0,r=0;r<e.manifest.length;++r){var i=e.manifest[r],o=i.spectrogramNumFrames*i.spectrogramFrameSize;null!=i.rawAudioNumSamples&&(o+=i.rawAudioNumSamples),o*=4,this.addExample(jt({spec:i,data:e.data.slice(n,n+o)})),n+=o;}}return t.prototype.addExample=function(t){p.util.assert(null!=t,function(){return "Got null or undefined example";}),p.util.assert(null!=t.label&&t.label.length>0,function(){return "Expected label to be a non-empty string, but got "+JSON.stringify(t.label);});var e=function(){function t(){return Math.floor(65536*(1+Math.random())).toString(16).substring(1);}return t()+t()+"-"+t()+"-"+t()+"-"+t()+"-"+t()+t()+t();}();return this.examples[e]=t,t.label in this.label2Ids||(this.label2Ids[t.label]=[]),this.label2Ids[t.label].push(e),e;},t.prototype.merge=function(t){var e,n,r,i;p.util.assert(t!==this,function(){return "Cannot merge a dataset into itself";});var o=t.getVocabulary();try{for(var a=bt(o),s=a.next();!s.done;s=a.next()){var u=s.value,c=t.getExamples(u);try{for(var l=bt(c),f=l.next();!f.done;f=l.next()){var h=f.value;this.addExample(h.example);}}catch(t){r={error:t};}finally{try{f&&!f.done&&(i=l.return)&&i.call(l);}finally{if(r)throw r.error;}}}}catch(t){e={error:t};}finally{try{s&&!s.done&&(n=a.return)&&n.call(a);}finally{if(e)throw e.error;}}},t.prototype.getExampleCounts=function(){var t={};for(var e in this.examples){var n=this.examples[e];n.label in t||(t[n.label]=0),t[n.label]++;}return t;},t.prototype.getExamples=function(t){var e=this;p.util.assert(null!=t,function(){return "Expected label to be a string, but got "+JSON.stringify(t);}),p.util.assert(t in this.label2Ids,function(){return 'No example of label "'+t+'" exists in dataset';});var n=[];return this.label2Ids[t].forEach(function(t){n.push({uid:t,example:e.examples[t]});}),n;},t.prototype.getData=function(t,e){var n=this;p.util.assert(this.size()>0,function(){return "Cannot get spectrograms as tensors because the dataset is empty";});var r=this.getVocabulary();null!=t?p.util.assert(-1!==r.indexOf(t),function(){return "Label "+t+" is not in the vocabulary ("+JSON.stringify(r)+")";}):p.util.assert(r.length>1,function(){return "One-hot encoding of labels requires the vocabulary to have at least two words, but it has only "+r.length+" word.";}),null==e&&(e={});var i,o,a=this.getSortedUniqueNumFrames();1===a.length?(i=null==e.numFrames?a[0]:e.numFrames,o=null==e.hopFrames?1:e.hopFrames):(i=e.numFrames,p.util.assert(null!=i&&Number.isInteger(i)&&i>0,function(){return "There are "+a.length+" unique lengths among the "+n.size()+" examples of this Dataset, hence numFrames is required. But it is not provided.";}),p.util.assert(i<=a[0],function(){return "numFrames ("+i+") exceeds the minimum numFrames ("+a[0]+") among the examples of the Dataset.";}),o=e.hopFrames,p.util.assert(null!=o&&Number.isInteger(o)&&o>0,function(){return "There are "+a.length+" unique lengths among the "+n.size()+" examples of this Dataset, hence hopFrames is required. But it is not provided.";}));var s=null==e.normalize||e.normalize;return Object(p.tidy)(function(){for(var a,u,c,l=[],f=[],h=[],d=0;d<r.length;++d){var m=r[d];if(null==t||m===t){var g=n.label2Ids[m],v=function v(r){var a,u,g=n.examples[r].spectrogram,v=g.frameSize;null==c?c=v:p.util.assert(v===c,function(){return "Mismatch in frameSize  ("+v+" vs "+c+")";});var y=g.data.length/v,b=null;"_background_noise_"!==m&&(b=null==g.keyFrameIndex?Pt(g).dataSync()[0]:g.keyFrameIndex);var x=Object(p.tensor3d)(g.data,[y,v,1]),w=Bt(y,b,i,o),k=function k(n){var r=Object(p.tidy)(function(){var t=x.slice([n[0],0,0],[n[1]-n[0],-1,-1]);return s?Et(t):t;});e.getDataset?f.push(r.dataSync()):l.push(r),null==t&&h.push(d);};try{for(var E=bt(w),C=E.next();!C.done;C=E.next()){k(C.value);}}catch(t){a={error:t};}finally{try{C&&!C.done&&(u=E.return)&&u.call(E);}finally{if(a)throw a.error;}}Object(p.dispose)(x);};try{for(var y=bt(g),b=y.next();!b.done;b=y.next()){v(b.value);}}catch(t){a={error:t};}finally{try{b&&!b.done&&(u=y.return)&&u.call(y);}finally{if(a)throw a.error;}}}}null!=e.augmentByMixingNoiseRatio&&n.augmentByMixingNoise(e.getDataset?f:l,h,e.augmentByMixingNoiseRatio);var x=null==e.shuffle||e.shuffle;if(e.getDataset){var w=null==e.datasetBatchSize?32:e.datasetBatchSize,k=null==e.datasetValidationSplit?.15:e.datasetValidationSplit;p.util.assert(k>0&&k<1,function(){return "Invalid dataset validation split: "+k;});var E=f.map(function(t,e){return [t,h[e]];});p.util.shuffle(E),f=E.map(function(t){return t[0];});var C=E.map(function(t){return t[1];}),A=function(t,e,n){var r,i,o,a,s,u,c,l;p.util.assert(n>0&&n<1,function(){return "validationSplit is expected to be >0 and <1, but got "+n;});for(var f=!Array.isArray(t[0]),h=e,d=[],m=0;m<h.length;++m){var g=h[m];null==d[g]&&(d[g]=[]),d[g].push(m);}var v=d.length,y=[],b=[];for(d.map(function(t){return p.util.shuffle(t);}),m=0;m<v;++m){for(var x=d[m],w=Math.round(x.length*(1-n)),k=0;k<x.length;++k){k<w?y.push(x[k]):b.push(x[k]);}}if(f){var E=[],C=[],A=[],O=[];try{for(var _=bt(y),S=_.next();!S.done;S=_.next()){var D=S.value;E.push(t[D]),C.push(e[D]);}}catch(t){r={error:t};}finally{try{S&&!S.done&&(i=_.return)&&i.call(_);}finally{if(r)throw r.error;}}try{for(var F=bt(b),T=F.next();!T.done;T=F.next()){D=T.value,A.push(t[D]),O.push(e[D]);}}catch(t){o={error:t};}finally{try{T&&!T.done&&(a=F.return)&&a.call(F);}finally{if(o)throw o.error;}}return {trainXs:E,trainYs:C,valXs:A,valYs:O};}E=[],C=[],A=[],O=[];try{for(var N=bt(y),I=N.next();!I.done;I=N.next()){D=I.value,E.push(t[D]),C.push(e[D]);}}catch(t){s={error:t};}finally{try{I&&!I.done&&(u=N.return)&&u.call(N);}finally{if(s)throw s.error;}}try{for(var R=bt(b),M=R.next();!M.done;M=R.next()){D=M.value,A.push(t[D]),O.push(e[D]);}}catch(t){c={error:t};}finally{try{M&&!M.done&&(l=R.return)&&l.call(R);}finally{if(c)throw c.error;}}return {trainXs:E,trainYs:C,valXs:A,valYs:O};}(f,C,k),O=A.trainXs,_=A.trainYs,S=A.valXs,D=A.valYs,F=p.data.array(O).map(function(t){return Object(p.tensor3d)(t,[i,c,1]);}),T=p.data.array(_).map(function(t){return Object(p.oneHot)([t],r.length).squeeze([0]);}),N=p.data.zip({xs:F,ys:T});x&&(N=N.shuffle(f.length)),N=N.batch(w).prefetch(4);var I=p.data.array(S).map(function(t){return Object(p.tensor3d)(t,[i,c,1]);}),R=p.data.array(D).map(function(t){return Object(p.oneHot)([t],r.length).squeeze([0]);}),M=p.data.zip({xs:I,ys:R});return [N,M=M.batch(w).prefetch(4)];}if(x){var j=[];l.forEach(function(t,e){j.push({x:t,y:h[e]});}),p.util.shuffle(j),l=j.map(function(t){return t.x;}),h=j.map(function(t){return t.y;});}var B=null==t?Object(p.oneHot)(Object(p.tensor1d)(h,"int32"),r.length).asType("float32"):void 0;return {xs:Object(p.stack)(l),ys:B};});},t.prototype.augmentByMixingNoise=function(t,e,n){var r,i;if(null==t||0===t.length)throw new Error("Cannot perform augmentation because data is null or empty");for(var o=t[0]instanceof Float32Array,a=this.getVocabulary(),s=[],u=[],c=0;c<e.length;++c){"_background_noise_"===a[e[c]]?s.push(c):u.push(c);}if(0===s.length)throw new Error("Cannot perform augmentation by mixing with noise when there is no example with label _background_noise_");var l=[],f=[],h=function h(r){var i=s[function(t,e){return Math.floor((e-t)*Math.random())+t;}(0,s.length)],a=o?Object(p.tensor1d)(t[r]):t[r],u=o?Object(p.tensor1d)(t[i]):t[i],c=Object(p.tidy)(function(){return Et(a.add(u.mul(n)));});o?l.push(c.dataSync()):l.push(c),f.push(e[r]);};try{for(var d=bt(u),m=d.next();!m.done;m=d.next()){h(m.value);}}catch(t){r={error:t};}finally{try{m&&!m.done&&(i=d.return)&&i.call(d);}finally{if(r)throw r.error;}}console.log("Data augmentation: mixing noise: added "+l.length+" examples"),l.forEach(function(e){return t.push(e);}),e.push.apply(e,wt(f));},t.prototype.getSortedUniqueNumFrames=function(){for(var t,e,n=new Set(),r=this.getVocabulary(),i=0;i<r.length;++i){var o=r[i],a=this.label2Ids[o];try{for(var s=bt(a),u=s.next();!u.done;u=s.next()){var c=u.value,l=this.examples[c].spectrogram,f=l.data.length/l.frameSize;n.add(f);}}catch(e){t={error:e};}finally{try{u&&!u.done&&(e=s.return)&&e.call(s);}finally{if(t)throw t.error;}}}var h=wt(n);return h.sort(),h;},t.prototype.removeExample=function(t){if(!(t in this.examples))throw new Error("Nonexistent example UID: "+t);var e=this.examples[t].label;delete this.examples[t];var n=this.label2Ids[e].indexOf(t);this.label2Ids[e].splice(n,1),0===this.label2Ids[e].length&&delete this.label2Ids[e];},t.prototype.setExampleKeyFrameIndex=function(t,e){if(!(t in this.examples))throw new Error("Nonexistent example UID: "+t);var n=this.examples[t].spectrogram,r=n.data.length/n.frameSize;p.util.assert(e>=0&&e<r&&Number.isInteger(e),function(){return "Invalid keyFrameIndex: "+e+". Must be >= 0, < "+r+", and an integer.";}),n.keyFrameIndex=e;},t.prototype.size=function(){return Object.keys(this.examples).length;},t.prototype.durationMillis=function(){var t=0;for(var e in this.examples){var n=this.examples[e].spectrogram,r=23.22|n.frameDurationMillis;t+=n.data.length/n.frameSize*r;}return t;},t.prototype.empty=function(){return 0===this.size();},t.prototype.clear=function(){this.examples={};},t.prototype.getVocabulary=function(){var t=new Set();for(var e in this.examples){var n=this.examples[e];t.add(n.label);}var r=wt(t);return r.sort(),r;},t.prototype.serialize=function(t){var e,n,r,i,o=this.getVocabulary();p.util.assert(!this.empty(),function(){return "Cannot serialize empty Dataset";}),null!=t&&(Array.isArray(t)||(t=[t]),t.forEach(function(t){if(-1===o.indexOf(t))throw new Error('Word label "'+t+'" does not exist in the vocabulary of this dataset. The vocabulary is: '+JSON.stringify(o)+".");}));var a=[],s=[];try{for(var u=bt(o),c=u.next();!c.done;c=u.next()){var l=c.value;if(null==t||-1!==t.indexOf(l)){var f=this.label2Ids[l];try{for(var h=bt(f),d=h.next();!d.done;d=h.next()){var m=d.value,g=Mt(this.examples[m]);a.push(g.spec),s.push(g.data);}}catch(t){r={error:t};}finally{try{d&&!d.done&&(i=h.return)&&i.call(h);}finally{if(r)throw r.error;}}}}}catch(t){e={error:t};}finally{try{c&&!c.done&&(n=u.return)&&n.call(u);}finally{if(e)throw e.error;}}return function(t){var e=Ft(JSON.stringify(t.manifest)),n=Ft(Nt),r=new Uint32Array([It]),i=new Uint32Array([e.byteLength]);return St([St([n,r.buffer,i.buffer]),e,t.data]);}({manifest:a,data:St(s)});},t;}();function Mt(t){var e=null!=t.rawAudio,n={label:t.label,spectrogramNumFrames:t.spectrogram.data.length/t.spectrogram.frameSize,spectrogramFrameSize:t.spectrogram.frameSize};null!=t.spectrogram.keyFrameIndex&&(n.spectrogramKeyFrameIndex=t.spectrogram.keyFrameIndex);var r=t.spectrogram.data.buffer.slice(0);return e&&(n.rawAudioNumSamples=t.rawAudio.data.length,n.rawAudioSampleRateHz=t.rawAudio.sampleRateHz,r=St([r,t.rawAudio.data.buffer])),{spec:n,data:r};}function jt(t){var e={frameSize:t.spec.spectrogramFrameSize,data:new Float32Array(t.data.slice(0,4*t.spec.spectrogramFrameSize*t.spec.spectrogramNumFrames))};null!=t.spec.spectrogramKeyFrameIndex&&(e.keyFrameIndex=t.spec.spectrogramKeyFrameIndex);var n={label:t.spec.label,spectrogram:e};return null!=t.spec.rawAudioNumSamples&&(n.rawAudio={sampleRateHz:t.spec.rawAudioSampleRateHz,data:new Float32Array(t.data.slice(4*t.spec.spectrogramFrameSize*t.spec.spectrogramNumFrames))}),n;}function Bt(t,e,n,r){if(p.util.assert(Number.isInteger(t)&&t>0,function(){return "snippetLength must be a positive integer, but got "+t;}),null!=e&&p.util.assert(Number.isInteger(e)&&e>=0,function(){return "focusIndex must be a non-negative integer, but got "+e;}),p.util.assert(Number.isInteger(n)&&n>0,function(){return "windowLength must be a positive integer, but got "+n;}),p.util.assert(Number.isInteger(r)&&r>0,function(){return "windowHop must be a positive integer, but got "+r;}),p.util.assert(n<=t,function(){return "windowLength ("+n+") exceeds snippetLength ("+t+")";}),p.util.assert(e<t,function(){return "focusIndex ("+e+") equals or exceeds snippetLength ("+t+")";}),n===t)return [[0,t]];var i=[];if(null==e){for(var o=0;o+n<=t;){i.push([o,o+n]),o+=r;}return i;}var a=Math.floor(n/2),s=e-a;for(s<0?s=0:s+n>t&&(s=t-n);!(s-r<0||e>=s-r+n);){s-=r;}for(;s+n<=t&&!(e<s);){i.push([s,s+n]),s+=r;}return i;}function Pt(t){return Object(p.tidy)(function(){return function(t){return Object(p.tidy)(function(){var e=t.data.length/t.frameSize;return Object(p.tensor2d)(t.data,[e,t.frameSize]).mean(-1);});}(t).argMax();});}var Lt="0.3.9",zt="tfjs-speech-commands-saved-model-metadata",Ut="indexeddb://tfjs-speech-commands-model/",Wt={localStorage:"undefined"==typeof window?null:window.localStorage};var Vt=function(){function t(e,n,r){this.MODEL_URL_PREFIX="https://storage.googleapis.com/tfjs-models/tfjs/speech-commands/v"+function(t){return t.split(".").slice(0,2).join(".");}(Lt)+"/browser_fft",this.SAMPLE_RATE_HZ=44100,this.FFT_SIZE=1024,this.DEFAULT_SUPPRESSION_TIME_MILLIS=0,this.streaming=!1,this.transferRecognizers={},p.util.assert(null==n&&null==r||null!=n&&null!=r,function(){return "modelURL and metadataURL must be both provided or both not provided.";}),null==n?(null==e?e=t.DEFAULT_VOCABULARY_NAME:p.util.assert(-1!==t.VALID_VOCABULARY_NAMES.indexOf(e),function(){return "Invalid vocabulary name: '"+e+"'";}),this.vocabulary=e,this.modelArtifactsOrURL=this.MODEL_URL_PREFIX+"/"+this.vocabulary+"/model.json",this.metadataOrURL=this.MODEL_URL_PREFIX+"/"+this.vocabulary+"/metadata.json"):(p.util.assert(null==e,function(){return "vocabulary name must be null or undefined when modelURL is provided";}),this.modelArtifactsOrURL=n,this.metadataOrURL=r),this.parameters={sampleRateHz:this.SAMPLE_RATE_HZ,fftSize:this.FFT_SIZE};}return t.prototype.listen=function(t,e){return vt(this,void 0,void 0,function(){var n,r,i,o,a,s=this;return yt(this,function(u){switch(u.label){case 0:if(this.streaming)throw new Error("Cannot start streaming again when streaming is ongoing.");return [4,this.ensureModelLoaded()];case 1:if(u.sent(),null==e&&(e={}),n=null==e.probabilityThreshold?0:e.probabilityThreshold,e.includeEmbedding&&(n=0),p.util.assert(n>=0&&n<=1,function(){return "Invalid probabilityThreshold value: "+n;}),r=null!=e.invokeCallbackOnNoiseAndUnknown&&e.invokeCallbackOnNoiseAndUnknown,e.includeEmbedding&&(r=!0),e.suppressionTimeMillis<0)throw new Error("suppressionTimeMillis is expected to be >= 0, but got "+e.suppressionTimeMillis);return i=null==e.overlapFactor?.5:e.overlapFactor,p.util.assert(i>=0&&i<1,function(){return "Expected overlapFactor to be >= 0 and < 1, but got "+i;}),o=function o(i,_o98){return vt(s,void 0,void 0,function(){var o,a,s,u,c,l,f,h,d,m,g;return yt(this,function(v){switch(v.label){case 0:return a=Et(i),e.includeEmbedding?[4,this.ensureModelWithEmbeddingOutputCreated()]:[3,2];case 1:return v.sent(),o=xt(this.modelWithEmbeddingOutput.predict(a),2),s=o[0],u=o[1],[3,3];case 2:s=this.model.predict(a),v.label=3;case 3:return [4,s.data()];case 4:return c=v.sent(),[4,(l=s.argMax(-1)).data()];case 5:return f=v.sent()[0],h=Math.max.apply(Math,wt(c)),Object(p.dispose)([s,l,a]),h<n?[2,!1]:[3,6];case 6:return d=void 0,e.includeSpectrogram?(m={},[4,i.data()]):[3,8];case 7:m.data=v.sent(),m.frameSize=this.nonBatchInputShape[1],d=m,v.label=8;case 8:return g=!0,r||"_background_noise_"!==this.words[f]&&"_unknown_"!==this.words[f]||(g=!1),g&&t({scores:c,spectrogram:d,embedding:u}),[2,g];}});});},a=null==e.suppressionTimeMillis?this.DEFAULT_SUPPRESSION_TIME_MILLIS:e.suppressionTimeMillis,this.audioDataExtractor=new Ct({sampleRateHz:this.parameters.sampleRateHz,numFramesPerSpectrogram:this.nonBatchInputShape[0],columnTruncateLength:this.nonBatchInputShape[1],suppressionTimeMillis:a,spectrogramCallback:o,overlapFactor:i}),[4,this.audioDataExtractor.start(e.audioTrackConstraints)];case 2:return u.sent(),this.streaming=!0,[2];}});});},t.prototype.ensureModelLoaded=function(){return vt(this,void 0,void 0,function(){var t,e,n,r,i=this;return yt(this,function(o){switch(o.label){case 0:return null!=this.model?[2]:[4,this.ensureMetadataLoaded()];case 1:return o.sent(),"string"!=typeof this.modelArtifactsOrURL?[3,3]:[4,Object(p.loadLayersModel)(this.modelArtifactsOrURL)];case 2:return t=o.sent(),[3,5];case 3:return [4,Object(p.loadLayersModel)(p.io.fromMemory(this.modelArtifactsOrURL.modelTopology,this.modelArtifactsOrURL.weightSpecs,this.modelArtifactsOrURL.weightData))];case 4:t=o.sent(),o.label=5;case 5:if(1!==t.inputs.length)throw new Error("Expected model to have 1 input, but got a model with "+t.inputs.length+" inputs");if(4!==t.inputs[0].shape.length)throw new Error("Expected model to have an input shape of rank 4, but got an input shape of rank "+t.inputs[0].shape.length);if(1!==t.inputs[0].shape[3])throw new Error("Expected model to have an input shape with 1 as the last dimension, but got input shape"+JSON.stringify(t.inputs[0].shape[3])+"}");if(2!==(e=t.outputShape).length)throw new Error("Expected loaded model to have an output shape of rank 2,but received shape "+JSON.stringify(e));if(e[1]!==this.words.length)throw new Error("Mismatch between the last dimension of model's output shape ("+e[1]+") and number of words ("+this.words.length+").");return this.model=t,this.freezeModel(),this.nonBatchInputShape=t.inputs[0].shape.slice(1),this.elementsPerExample=1,t.inputs[0].shape.slice(1).forEach(function(t){return i.elementsPerExample*=t;}),this.warmUpModel(),n=this.parameters.fftSize/this.parameters.sampleRateHz*1e3,r=t.inputs[0].shape[1],this.parameters.spectrogramDurationMillis=r*n,[2];}});});},t.prototype.ensureModelWithEmbeddingOutputCreated=function(){return vt(this,void 0,void 0,function(){var t,e;return yt(this,function(n){switch(n.label){case 0:return null!=this.modelWithEmbeddingOutput?[2]:[4,this.ensureModelLoaded()];case 1:for(n.sent(),e=this.model.layers.length-2;e>=0;--e){if("Dense"===this.model.layers[e].getClassName()){t=this.model.layers[e];break;}}if(null==t)throw new Error("Failed to find second last dense layer in the original model.");return this.modelWithEmbeddingOutput=Object(p.model)({inputs:this.model.inputs,outputs:[this.model.outputs[0],t.output]}),[2];}});});},t.prototype.warmUpModel=function(){var t=this;Object(p.tidy)(function(){for(var e=Object(p.zeros)([1].concat(t.nonBatchInputShape)),n=0;n<3;++n){t.model.predict(e);}});},t.prototype.ensureMetadataLoaded=function(){return vt(this,void 0,void 0,function(){var t,e,r;return yt(this,function(i){switch(i.label){case 0:return null!=this.words?[2]:"string"!=typeof this.metadataOrURL?[3,2]:[4,function(t){return vt(this,void 0,void 0,function(){return yt(this,function(e){return [2,new Promise(function(e,r){0===t.indexOf("http://")||0===t.indexOf("https://")?fetch(t).then(function(t){t.json().then(function(t){return e(t);});}):0===t.indexOf("file://")?n(185).readFile(t.slice("file://".length),{encoding:"utf-8"},function(t,n){return e(JSON.parse(n));}):r(new Error("Unsupported URL scheme in metadata URL: "+t+". Supported schemes are: http://, https://, and (node.js-only) file://"));})];});});}(this.metadataOrURL)];case 1:return e=i.sent(),[3,3];case 2:e=this.metadataOrURL,i.label=3;case 3:if(null==(t=e).wordLabels){if(null==(r=t.words))throw new Error('Cannot find field "words" or "wordLabels" in metadata JSON file');this.words=r;}else this.words=t.wordLabels;return [2];}});});},t.prototype.stopListening=function(){return vt(this,void 0,void 0,function(){return yt(this,function(t){switch(t.label){case 0:if(!this.streaming)throw new Error("Cannot stop streaming when streaming is not ongoing.");return [4,this.audioDataExtractor.stop()];case 1:return t.sent(),this.streaming=!1,[2];}});});},t.prototype.isListening=function(){return this.streaming;},t.prototype.wordLabels=function(){return this.words;},t.prototype.params=function(){return this.parameters;},t.prototype.modelInputShape=function(){if(null==this.model)throw new Error("Model has not been loaded yet. Load model by calling ensureModelLoaded(), recognize(), or listen().");return this.model.inputs[0].shape;},t.prototype.recognize=function(t,e){return vt(this,void 0,void 0,function(){var n,r,i,o,a,s,u,c,l,f,h,d,m;return yt(this,function(g){switch(g.label){case 0:return null==e&&(e={}),[4,this.ensureModelLoaded()];case 1:return g.sent(),null!=t?[3,3]:[4,this.recognizeOnline()];case 2:n=g.sent(),t=n.data,g.label=3;case 3:if(t instanceof p.Tensor)this.checkInputTensorShape(t),i=t,r=t.shape[0];else {if((t=t).length%this.elementsPerExample)throw new Error("The length of the input Float32Array "+t.length+" is not divisible by the number of tensor elements per per example expected by the model "+this.elementsPerExample+".");r=t.length/this.elementsPerExample,i=Object(p.tensor4d)(t,[r].concat(this.nonBatchInputShape));}return a={scores:null},e.includeEmbedding?[4,this.ensureModelWithEmbeddingOutputCreated()]:[3,5];case 4:return g.sent(),s=this.modelWithEmbeddingOutput.predict(i),o=s[0],a.embedding=s[1],[3,6];case 5:o=this.model.predict(i),g.label=6;case 6:return 1!==r?[3,8]:(u=a,[4,o.data()]);case 7:return u.scores=g.sent(),[3,10];case 8:return c=Object(p.unstack)(o),l=c.map(function(t){return t.data();}),f=a,[4,Promise.all(l)];case 9:f.scores=g.sent(),Object(p.dispose)(c),g.label=10;case 10:return e.includeSpectrogram?(h=a,d={},t instanceof p.Tensor?[4,t.data()]:[3,12]):[3,14];case 11:return m=g.sent(),[3,13];case 12:m=t,g.label=13;case 13:h.spectrogram=(d.data=m,d.frameSize=this.nonBatchInputShape[1],d),g.label=14;case 14:return [2,a];}});});},t.prototype.recognizeOnline=function(){return vt(this,void 0,void 0,function(){var t=this;return yt(this,function(e){return [2,new Promise(function(e,n){t.audioDataExtractor=new Ct({sampleRateHz:t.parameters.sampleRateHz,numFramesPerSpectrogram:t.nonBatchInputShape[0],columnTruncateLength:t.nonBatchInputShape[1],suppressionTimeMillis:0,spectrogramCallback:function spectrogramCallback(n){return vt(t,void 0,void 0,function(){var t,r,i;return yt(this,function(o){switch(o.label){case 0:return t=Et(n),[4,this.audioDataExtractor.stop()];case 1:return o.sent(),r=e,i={},[4,t.data()];case 2:return r.apply(void 0,[(i.data=o.sent(),i.frameSize=this.nonBatchInputShape[1],i)]),t.dispose(),[2,!1];}});});},overlapFactor:0}),t.audioDataExtractor.start();})];});});},t.prototype.createTransfer=function(t){if(null==this.model)throw new Error("Model has not been loaded yet. Load model by calling ensureModelLoaded(), recognizer(), or listen().");p.util.assert(null!=t&&"string"==typeof t&&t.length>1,function(){return "Expected the name for a transfer-learning recognized to be a non-empty string, but got "+JSON.stringify(t);}),p.util.assert(null==this.transferRecognizers[t],function(){return "There is already a transfer-learning model named '"+t+"'";});var e=new qt(t,this.parameters,this.model);return this.transferRecognizers[t]=e,e;},t.prototype.freezeModel=function(){var t,e;try{for(var n=bt(this.model.layers),r=n.next();!r.done;r=n.next()){r.value.trainable=!1;}}catch(e){t={error:e};}finally{try{r&&!r.done&&(e=n.return)&&e.call(n);}finally{if(t)throw t.error;}}},t.prototype.checkInputTensorShape=function(t){var e=this.model.inputs[0].shape.length;if(t.shape.length!==e)throw new Error("Expected input Tensor to have rank "+e+", but got rank "+t.shape.length+" that differs ");var n=t.shape.slice(1),r=this.model.inputs[0].shape.slice(1);if(!p.util.arraysEqual(n,r))throw new Error("Expected input to have shape [null,"+r+"], but got shape [null,"+n+"]");},t.VALID_VOCABULARY_NAMES=["18w","directional4w"],t.DEFAULT_VOCABULARY_NAME="18w",t;}(),qt=function(t){function e(e,n,r){var i=t.call(this)||this;return i.name=e,i.parameters=n,i.baseModel=r,p.util.assert(null!=e&&"string"==typeof e&&e.length>0,function(){return "The name of a transfer model must be a non-empty string, but got "+JSON.stringify(e);}),i.nonBatchInputShape=i.baseModel.inputs[0].shape.slice(1),i.words=null,i.dataset=new Rt(),i;}return function(t,e){function n(){this.constructor=t;}_mt(t,e),t.prototype=null===e?Object.create(e):(n.prototype=e.prototype,new n());}(e,t),e.prototype.collectExample=function(t,e){return vt(this,void 0,void 0,function(){var n,r,i,o,a=this;return yt(this,function(s){if(p.util.assert(!this.streaming,function(){return "Cannot start collection of transfer-learning example because a streaming recognition or transfer-learning example collection is ongoing";}),p.util.assert(null!=t&&"string"==typeof t&&t.length>0,function(){return "Must provide a non-empty string when collecting transfer-learning example";}),null==e&&(e={}),null!=e.durationMultiplier&&null!=e.durationSec)throw new Error("durationMultiplier and durationSec are mutually exclusive, but are both specified.");return null!=e.durationSec?(p.util.assert(e.durationSec>0,function(){return "Expected durationSec to be > 0, but got "+e.durationSec;}),r=this.parameters.fftSize/this.parameters.sampleRateHz,n=Math.ceil(e.durationSec/r)):null!=e.durationMultiplier?(p.util.assert(e.durationMultiplier>=1,function(){return "Expected duration multiplier to be >= 1, but got "+e.durationMultiplier;}),n=Math.round(this.nonBatchInputShape[0]*e.durationMultiplier)):n=this.nonBatchInputShape[0],null!=e.snippetDurationSec&&(p.util.assert(e.snippetDurationSec>0,function(){return "snippetDurationSec is expected to be > 0, but got "+e.snippetDurationSec;}),p.util.assert(null!=e.onSnippet,function(){return "onSnippet must be provided if snippetDurationSec is provided.";})),null!=e.onSnippet&&p.util.assert(null!=e.snippetDurationSec,function(){return "snippetDurationSec must be provided if onSnippet is provided.";}),i=this.parameters.fftSize/this.parameters.sampleRateHz,o=i*n,this.streaming=!0,[2,new Promise(function(r){var i=null==e.snippetDurationSec?1:e.snippetDurationSec/o,s=1-i,u=Math.round(1/i),c=0,l=-1,f=[];a.audioDataExtractor=new Ct({sampleRateHz:a.parameters.sampleRateHz,numFramesPerSpectrogram:n,columnTruncateLength:a.nonBatchInputShape[1],suppressionTimeMillis:0,spectrogramCallback:function spectrogramCallback(n,i){return vt(a,void 0,void 0,function(){var o,a,s,h,d,m,g,v,y,b,x,w,k,E,C,A,O,_,S,D;return yt(this,function(F){switch(F.label){case 0:return null!=e.onSnippet?[3,7]:(o=Et(n),s=(a=this.dataset).addExample,h={label:t},d={},[4,o.data()]);case 1:return h.spectrogram=(d.data=F.sent(),d.frameSize=this.nonBatchInputShape[1],d),e.includeRawAudio?(g={},[4,i.data()]):[3,3];case 2:return g.data=F.sent(),g.sampleRateHz=this.audioDataExtractor.sampleRateHz,m=g,[3,4];case 3:m=void 0,F.label=4;case 4:return s.apply(a,[(h.rawAudio=m,h)]),o.dispose(),[4,this.audioDataExtractor.stop()];case 5:return F.sent(),this.streaming=!1,this.collateTransferWords(),v=r,y={},[4,n.data()];case 6:return v.apply(void 0,[(y.data=F.sent(),y.frameSize=this.nonBatchInputShape[1],y)]),[3,13];case 7:return [4,n.data()];case 8:for(b=F.sent(),-1===l&&(l=b.length),x=l-1;0!==b[x]&&x>=0;){x--;}return w=l-x-1,l=x+1,k=b.slice(b.length-w,b.length),f.push(k),null!=e.onSnippet&&e.onSnippet({data:k,frameSize:this.nonBatchInputShape[1]}),c++!==u?[3,13]:[4,this.audioDataExtractor.stop()];case 9:return F.sent(),this.streaming=!1,this.collateTransferWords(),E=function(t){if(t.length<2)throw new Error("Cannot normalize a Float32Array with fewer than 2 elements.");return null==kt&&(kt=Object(p.backend)().epsilon()),Object(p.tidy)(function(){var e=Object(p.moments)(Object(p.tensor1d)(t)),n=e.mean,r=e.variance,i=n.arraySync(),o=Math.sqrt(r.arraySync()),a=Array.from(t).map(function(t){return (t-i)/(o+kt);});return new Float32Array(a);});}(Dt(f)),C={data:E,frameSize:this.nonBatchInputShape[1]},O=(A=this.dataset).addExample,_={label:t,spectrogram:C},e.includeRawAudio?(D={},[4,i.data()]):[3,11];case 10:return D.data=F.sent(),D.sampleRateHz=this.audioDataExtractor.sampleRateHz,S=D,[3,12];case 11:S=void 0,F.label=12;case 12:O.apply(A,[(_.rawAudio=S,_)]),r(C),F.label=13;case 13:return [2,!1];}});});},overlapFactor:s,includeRawAudio:e.includeRawAudio}),a.audioDataExtractor.start(e.audioTrackConstraints);})];});});},e.prototype.clearExamples=function(){var t=this;p.util.assert(null!=this.words&&this.words.length>0&&!this.dataset.empty(),function(){return "No transfer learning examples exist for model name "+t.name;}),this.dataset.clear(),this.words=null;},e.prototype.countExamples=function(){if(this.dataset.empty())throw new Error("No examples have been collected for transfer-learning model named '"+this.name+"' yet.");return this.dataset.getExampleCounts();},e.prototype.getExamples=function(t){return this.dataset.getExamples(t);},e.prototype.setExampleKeyFrameIndex=function(t,e){this.dataset.setExampleKeyFrameIndex(t,e);},e.prototype.removeExample=function(t){this.dataset.removeExample(t),this.collateTransferWords();},e.prototype.isDatasetEmpty=function(){return this.dataset.empty();},e.prototype.loadExamples=function(t,e){var n,r,i,o;void 0===e&&(e=!1);var a=new Rt(t);e&&this.clearExamples();var s=a.getVocabulary();try{for(var u=bt(s),c=u.next();!c.done;c=u.next()){var l=c.value,f=a.getExamples(l);try{for(var h=bt(f),d=h.next();!d.done;d=h.next()){var p=d.value;this.dataset.addExample(p.example);}}catch(t){i={error:t};}finally{try{d&&!d.done&&(o=h.return)&&o.call(h);}finally{if(i)throw i.error;}}}}catch(t){n={error:t};}finally{try{c&&!c.done&&(r=u.return)&&r.call(u);}finally{if(n)throw n.error;}}this.collateTransferWords();},e.prototype.serializeExamples=function(t){return this.dataset.serialize(t);},e.prototype.collateTransferWords=function(){this.words=this.dataset.getVocabulary();},e.prototype.collectTransferDataAsTensors=function(t,e){var n=this.nonBatchInputShape[0];t=t||.25;var r=Math.round(t*n),i=this.dataset.getData(null,_gt({numFrames:n,hopFrames:r},e));return {xs:i.xs,ys:i.ys};},e.prototype.collectTransferDataAsTfDataset=function(t,e,n,r){void 0===e&&(e=.15),void 0===n&&(n=32);var i=this.nonBatchInputShape[0];t=t||.25;var o=Math.round(t*i);return this.dataset.getData(null,_gt({numFrames:i,hopFrames:o,getDataset:!0,datasetBatchSize:n,datasetValidationSplit:e},r));},e.prototype.train=function(t){return vt(this,void 0,void 0,function(){var e,n=this;return yt(this,function(r){switch(r.label){case 0:return p.util.assert(null!=this.words&&this.words.length>0,function(){return "Cannot train transfer-learning model '"+n.name+"' because no transfer learning example has been collected.";}),p.util.assert(this.words.length>1,function(){return "Cannot train transfer-learning model '"+n.name+"' because only 1 word label ('"+JSON.stringify(n.words)+"') has been collected for transfer learning. Requires at least 2.";}),null!=t.fineTuningEpochs&&p.util.assert(t.fineTuningEpochs>=0&&Number.isInteger(t.fineTuningEpochs),function(){return "If specified, fineTuningEpochs must be a non-negative integer, but received "+t.fineTuningEpochs;}),null==t&&(t={}),null==this.model&&this.createTransferModelFromBaseModel(),this.secondLastBaseDenseLayer.trainable=!1,this.model.compile({loss:"categoricalCrossentropy",optimizer:t.optimizer||"sgd",metrics:["acc"]}),e=null==t.fitDatasetDurationMillisThreshold?6e4:t.fitDatasetDurationMillisThreshold,this.dataset.durationMillis()>e?(console.log("Detected large dataset: total duration = "+this.dataset.durationMillis()+" ms > "+e+" ms. Training transfer model using fitDataset() instead of fit()"),[4,this.trainOnDataset(t)]):[3,2];case 1:return [2,r.sent()];case 2:return [4,this.trainOnTensors(t)];case 3:return [2,r.sent()];}});});},e.prototype.trainOnDataset=function(t){return vt(this,void 0,void 0,function(){var e,n,r,i,o,a,s,u,c;return yt(this,function(l){switch(l.label){case 0:return p.util.assert(t.epochs>0,function(){return "Invalid config.epochs";}),e=null==t.batchSize?32:t.batchSize,n=t.windowHopRatio||.25,r=xt(this.collectTransferDataAsTfDataset(n,t.validationSplit,e,{augmentByMixingNoiseRatio:t.augmentByMixingNoiseRatio}),2),i=r[0],o=r[1],a=p.util.now(),[4,this.model.fitDataset(i,{epochs:t.epochs,validationData:t.validationSplit>0?o:null,callbacks:null==t.callback?null:[t.callback]})];case 1:return s=l.sent(),console.log("fitDataset() took "+(p.util.now()-a).toFixed(2)+" ms"),null!=t.fineTuningEpochs&&t.fineTuningEpochs>0?(u=p.util.now(),[4,this.fineTuningUsingTfDatasets(t,i,o)]):[3,3];case 2:return c=l.sent(),console.log("fitDataset() (fine-tuning) took "+(p.util.now()-u).toFixed(2)+" ms"),[2,[s,c]];case 3:return [2,s];}});});},e.prototype.trainOnTensors=function(t){return vt(this,void 0,void 0,function(){var e,n,r,i,o,a,s,u,c,l;return yt(this,function(f){switch(f.label){case 0:e=t.windowHopRatio||.25,n=this.collectTransferDataAsTensors(e,{augmentByMixingNoiseRatio:t.augmentByMixingNoiseRatio}),r=n.xs,i=n.ys,console.log("Training data: xs.shape = "+r.shape+", ys.shape = "+i.shape),f.label=1;case 1:return f.trys.push([1,,6,7]),null!=t.validationSplit?(u=function(t,e,n){return p.util.assert(n>0&&n<1,function(){return "validationSplit is expected to be >0 and <1, but got "+n;}),Object(p.tidy)(function(){for(var r=e.argMax(-1).dataSync(),i=[],o=0;o<r.length;++o){var a=r[o];null==i[a]&&(i[a]=[]),i[a].push(o);}var s=i.length,u=[],c=[];for(i.map(function(t){return p.util.shuffle(t);}),o=0;o<s;++o){for(var l=i[o],f=Math.round(l.length*(1-n)),h=0;h<l.length;++h){h<f?u.push(l[h]):c.push(l[h]);}}return {trainXs:Object(p.gather)(t,u),trainYs:Object(p.gather)(e,u),valXs:Object(p.gather)(t,c),valYs:Object(p.gather)(e,c)};});}(r,i,t.validationSplit),o=u.trainXs,a=u.trainYs,s=[u.valXs,u.valYs]):(o=r,a=i),[4,this.model.fit(o,a,{epochs:null==t.epochs?20:t.epochs,validationData:s,batchSize:t.batchSize,callbacks:null==t.callback?null:[t.callback]})];case 2:return c=f.sent(),null!=t.fineTuningEpochs&&t.fineTuningEpochs>0?[4,this.fineTuningUsingTensors(t,o,a,s)]:[3,4];case 3:return l=f.sent(),[2,[c,l]];case 4:return [2,c];case 5:return [3,7];case 6:return Object(p.dispose)([r,i,o,a,s]),[7];case 7:return [2];}});});},e.prototype.fineTuningUsingTfDatasets=function(t,e,n){return vt(this,void 0,void 0,function(){var r,i,o;return yt(this,function(a){switch(a.label){case 0:return r=this.secondLastBaseDenseLayer.trainable,this.secondLastBaseDenseLayer.trainable=!0,i=null==t.fineTuningOptimizer?"sgd":t.fineTuningOptimizer,this.model.compile({loss:"categoricalCrossentropy",optimizer:i,metrics:["acc"]}),[4,this.model.fitDataset(e,{epochs:t.fineTuningEpochs,validationData:n,callbacks:null==t.callback?null:[t.callback]})];case 1:return o=a.sent(),this.secondLastBaseDenseLayer.trainable=r,[2,o];}});});},e.prototype.fineTuningUsingTensors=function(t,e,n,r){return vt(this,void 0,void 0,function(){var i,o,a;return yt(this,function(s){switch(s.label){case 0:return i=this.secondLastBaseDenseLayer.trainable,this.secondLastBaseDenseLayer.trainable=!0,o=null==t.fineTuningOptimizer?"sgd":t.fineTuningOptimizer,this.model.compile({loss:"categoricalCrossentropy",optimizer:o,metrics:["acc"]}),[4,this.model.fit(e,n,{epochs:t.fineTuningEpochs,validationData:r,batchSize:t.batchSize,callbacks:null==t.fineTuningCallback?null:[t.fineTuningCallback]})];case 1:return a=s.sent(),this.secondLastBaseDenseLayer.trainable=i,[2,a];}});});},e.prototype.evaluate=function(t){return vt(this,void 0,void 0,function(){var e,n=this;return yt(this,function(r){return p.util.assert(null!=t.wordProbThresholds&&t.wordProbThresholds.length>0,function(){return "Received null or empty wordProbThresholds";}),e=0,p.util.assert("_background_noise_"===this.words[e],function(){return "Cannot perform evaluation when the first tag is not _background_noise_";}),[2,Object(p.tidy)(function(){for(var r=[],i=0,o=n.collectTransferDataAsTensors(t.windowHopRatio),a=o.xs,s=o.ys.argMax(-1).dataSync(),u=n.model.predict(a),c=u.slice([0,1],[u.shape[0],u.shape[1]-1]).max(-1),l=u.shape[0],f=0;f<t.wordProbThresholds.length;++f){for(var h=t.wordProbThresholds[f],d=c.greater(Object(p.scalar)(h)).dataSync(),m=0,g=0,v=0,y=0,b=0;b<l;++b){s[b]===e?(m++,d[b]&&v++):(g++,d[b]&&y++);}var x=v/m,w=y/g;r.push({probThreshold:h,fpr:x,tpr:w}),console.log("ROC thresh="+h+": fpr="+x.toFixed(4)+", tpr="+w.toFixed(4)),f>0&&(i+=Math.abs(r[f-1].fpr-r[f].fpr)*(r[f-1].tpr+r[f].tpr)/2);}return {rocCurve:r,auc:i};})];});});},e.prototype.createTransferModelFromBaseModel=function(){var t=this;p.util.assert(null!=this.words,function(){return "No word example is available for tranfer-learning model of name "+t.name;});for(var e=this.baseModel.layers,n=e.length-2;n>=0&&"dense"!==e[n].getClassName().toLowerCase();){n--;}if(n<0)throw new Error("Cannot find a hidden dense layer in the base model.");this.secondLastBaseDenseLayer=e[n];var r=this.secondLastBaseDenseLayer.output;this.transferHead=Object(p.sequential)(),this.transferHead.add(p.layers.dense({units:this.words.length,activation:"softmax",inputShape:r.shape.slice(1),name:"NewHeadDense"}));var i=this.transferHead.apply(r);this.model=Object(p.model)({inputs:this.baseModel.inputs,outputs:i});},e.prototype.modelInputShape=function(){return this.baseModel.inputs[0].shape;},e.prototype.getMetadata=function(){return {tfjsSpeechCommandsVersion:Lt,modelName:this.name,timeStamp:new Date().toISOString(),wordLabels:this.wordLabels()};},e.prototype.save=function(t){return vt(this,void 0,void 0,function(){var e,n,r;return yt(this,function(i){return e=null!=t,t=t||$t(this.name),e||(n=Wt.localStorage.getItem(zt),(r=null==n?{}:JSON.parse(n))[this.name]=this.getMetadata(),Wt.localStorage.setItem(zt,JSON.stringify(r))),console.log("Saving model to "+t),[2,this.model.save(t)];});});},e.prototype.load=function(t){return vt(this,void 0,void 0,function(){var e,n,r;return yt(this,function(i){switch(i.label){case 0:if(e=null!=t,t=t||$t(this.name),!e){if(null==(n=JSON.parse(Wt.localStorage.getItem(zt)))||null==n[this.name])throw new Error("Cannot find metadata for transfer model named "+this.name+'"');this.words=n[this.name].wordLabels,console.log("Loaded word list for model named "+this.name+": "+this.words);}return r=this,[4,Object(p.loadLayersModel)(t)];case 1:return r.model=i.sent(),console.log("Loaded model from "+t+":"),this.model.summary(),[2];}});});},e.prototype.createTransfer=function(t){throw new Error("Creating transfer-learned recognizer from a transfer-learned recognizer is not supported.");},e;}(Vt);function $t(t){return ""+Ut+t;}function Ht(t,e,n,r){if(p.util.assert(null==n&&null==r||null!=n&&null!=r,function(){return "customModelURL and customMetadataURL must be both provided or both not provided.";}),null!=n&&p.util.assert(null==e,function(){return "vocabulary name must be null or undefined when modelURL is provided.";}),"BROWSER_FFT"===t)return new Vt(e,n,r);throw "SOFT_FFT"===t?new Error("SOFT_FFT SpeechCommandRecognizer has not been implemented yet."):new Error("Invalid fftType: '"+t+"'");}var Gt=function(){function t(e){b()(this,t),this.options=e;}return w()(t,[{key:"load",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return e?(n=e.split("/"),r=n.slice(0,n.length-1).join("/"),i="".concat(r,"/metadata.json"),this.model=Ht("BROWSER_FFT",void 0,e,i)):this.model=Ht("BROWSER_FFT"),t.next=3,this.model.ensureModelLoaded();case 3:this.allLabels=this.model.wordLabels();case 4:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"classify",value:function value(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.allLabels.length,n=arguments.length>1?arguments[1]:void 0;return this.model.listen(function(r){if(r.scores){var i=z(r.scores,e,t.allLabels).map(function(t){return {label:t.className,confidence:t.probability};});return n(null,i);}return n("ERROR: Cannot find scores in result: ".concat(r));},this.options).catch(function(t){return n("ERROR: ".concat(t.message));});}}]),t;}();function Kt(t,e){return Xt.apply(this,arguments);}function Xt(){return (Xt=v()(E.a.mark(function t(e,n){var r;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return r=new Gt(e),t.next=3,r.load(n);case 3:return t.abrupt("return",r);case 4:case"end":return t.stop();}}},t);}))).apply(this,arguments);}var Yt=["speechcommands18w"],Jt=function(){function t(e,n,r){if(b()(this,t),this.model=null,this.options=n,"string"==typeof e)if(Yt.includes(e))switch(this.modelName=e,this.modelUrl=null,this.modelName){case"speechcommands18w":this.modelToUse=s;break;default:this.modelToUse=null;}else this.modelToUse=s,this.modelUrl=e;this.ready=C(this.loadModel(n,this.modelUrl),r);}return w()(t,[{key:"loadModel",value:function(){var t=v()(E.a.mark(function t(e){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.modelToUse.load(e,this.modelUrl);case 2:return this.model=t.sent,t.abrupt("return",this);case 4:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"classifyInternal",value:function(){var t=v()(E.a.mark(function 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E.g: "SpeechCommands18w"');-1===o.indexOf("http")&&(o=t.toLowerCase()),"object"===S()(e)?r=e:"function"==typeof e&&(i=e);var a=new Jt(o,r,i);return i?a:a.ready;};function Zt(t,e){return null==t&&null==e?null:null==t?e.clone():null===e?t.clone():t.concat(e,0);}function te(t,e){for(var n=[],r=0;r<t.length;r++){n.push({value:t[r],index:r});}n.sort(function(t,e){return e.value-t.value;});var i=new Float32Array(e),o=new Int32Array(e);for(r=0;r<e;r++){i[r]=n[r].value,o[r]=n[r].index;}return {values:i,indices:o};}var ee=function(){function t(){this.classDatasetMatrices={},this.classExampleCount={},this.labelToClassId={},this.nextClassId=0;}return t.prototype.addExample=function(t,e){var n=this;if(null==this.exampleShape&&(this.exampleShape=t.shape),!N.util.arraysEqual(this.exampleShape,t.shape))throw new Error("Example shape provided, "+t.shape+" does not match previously provided example shapes "+this.exampleShape+".");this.clearTrainDatasetMatrix(),e in this.labelToClassId||(this.labelToClassId[e]=this.nextClassId++),Object(N.tidy)(function(){var r=n.normalizeVectorToUnitLength(t.flatten()),i=r.shape[0];if(null==n.classDatasetMatrices[e])n.classDatasetMatrices[e]=r.as2D(1,i);else {var o=n.classDatasetMatrices[e].as2D(n.classExampleCount[e],i).concat(r.as2D(1,i),0);n.classDatasetMatrices[e].dispose(),n.classDatasetMatrices[e]=o;}Object(N.keep)(n.classDatasetMatrices[e]),null==n.classExampleCount[e]&&(n.classExampleCount[e]=0),n.classExampleCount[e]++;});},t.prototype.similarities=function(t){var e=this;return Object(N.tidy)(function(){var n=e.normalizeVectorToUnitLength(t.flatten()),r=n.shape[0];if(null==e.trainDatasetMatrix){var i=null;for(var o in e.classDatasetMatrices){i=Zt(i,e.classDatasetMatrices[o]);}e.trainDatasetMatrix=i;}if(null==e.trainDatasetMatrix)return console.warn("Cannot predict without providing training examples."),null;Object(N.keep)(e.trainDatasetMatrix);var a=e.getNumExamples();return e.trainDatasetMatrix.as2D(a,r).matMul(n.as2D(r,1)).as1D();});},t.prototype.predictClass=function(t,e){return void 0===e&&(e=3),function(t,e,n,r){return new(n||(n=Promise))(function(i,o){function a(t){try{u(r.next(t));}catch(t){o(t);}}function s(t){try{u(r.throw(t));}catch(t){o(t);}}function u(t){t.done?i(t.value):new n(function(e){e(t.value);}).then(a,s);}u((r=r.apply(t,e||[])).next());});}(this,void 0,void 0,function(){var n,r,i,o,a=this;return function(t,e){var n,r,i,o,a={label:0,sent:function sent(){if(1&i[0])throw i[1];return i[1];},trys:[],ops:[]};return o={next:s(0),throw:s(1),return:s(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this;}),o;function s(o){return function(s){return function(o){if(n)throw new TypeError("Generator is already executing.");for(;a;){try{if(n=1,r&&(i=2&o[0]?r.return:o[0]?r.throw||((i=r.return)&&i.call(r),0):r.next)&&!(i=i.call(r,o[1])).done)return i;switch(r=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return a.label++,{value:o[1],done:!1};case 5:a.label++,r=o[1],o=[0];continue;case 7:o=a.ops.pop(),a.trys.pop();continue;default:if(!(i=(i=a.trys).length>0&&i[i.length-1])&&(6===o[0]||2===o[0])){a=0;continue;}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]<i[3])){a.label=o[1];break;}if(6===o[0]&&a.label<i[1]){a.label=i[1],i=o;break;}if(i&&a.label<i[2]){a.label=i[2],a.ops.push(o);break;}i[2]&&a.ops.pop(),a.trys.pop();continue;}o=e.call(t,a);}catch(t){o=[6,t],r=0;}finally{n=i=0;}}if(5&o[0])throw o[1];return {value:o[0]?o[1]:void 0,done:!0};}([o,s]);};}}(this,function(s){switch(s.label){case 0:if(e<1)throw new Error("Please provide a positive integer k value to predictClass.");if(0===this.getNumExamples())throw new Error("You have not added any examples to the KNN classifier. Please add examples before calling predictClass.");return n=Object(N.tidy)(function(){return a.similarities(t).asType("float32");}),r=Math.min(e,this.getNumExamples()),o=te,[4,n.data()];case 1:return i=o.apply(void 0,[s.sent(),r]).indices,n.dispose(),[2,this.calculateTopClass(i,r)];}});});},t.prototype.clearClass=function(t){if(null==this.classDatasetMatrices[t])throw new Error("Cannot clear invalid class "+t);delete this.classDatasetMatrices[t],delete this.classExampleCount[t],this.clearTrainDatasetMatrix();},t.prototype.clearAllClasses=function(){for(var t in this.classDatasetMatrices){this.clearClass(t);}},t.prototype.getClassExampleCount=function(){return this.classExampleCount;},t.prototype.getClassifierDataset=function(){return this.classDatasetMatrices;},t.prototype.getNumClasses=function(){return Object.keys(this.classExampleCount).length;},t.prototype.setClassifierDataset=function(t){for(var e in this.clearTrainDatasetMatrix(),this.classDatasetMatrices=t,t){this.classExampleCount[e]=t[e].shape[0];}},t.prototype.calculateTopClass=function(t,e){var n,r={};if(null==t)return {classIndex:this.labelToClassId[n],label:n,confidences:r};var i={},o=0;for(var a in this.classDatasetMatrices){o+=this.classExampleCount[a],i[a]=o;}var s={};for(var a in this.classDatasetMatrices){s[a]=0;}for(var u=0;u<t.length;u++){var c=t[u];for(var a in this.classDatasetMatrices){if(c<i[a]){s[a]++;break;}}}var l=0;for(var a in this.classDatasetMatrices){var f=s[a]/e;f>l&&(l=f,n=a),r[a]=f;}return {classIndex:this.labelToClassId[n],label:n,confidences:r};},t.prototype.clearTrainDatasetMatrix=function(){null!=this.trainDatasetMatrix&&(this.trainDatasetMatrix.dispose(),this.trainDatasetMatrix=null);},t.prototype.normalizeVectorToUnitLength=function(t){return Object(N.tidy)(function(){var e=t.norm();return Object(N.div)(t,e);});},t.prototype.getNumExamples=function(){var t=0;for(var e in this.classDatasetMatrices){t+=this.classExampleCount[e];}return t;},t.prototype.dispose=function(){for(var t in this.clearTrainDatasetMatrix(),this.classDatasetMatrices){this.classDatasetMatrices[t].dispose();}},t;}();var ne=function(){var t=v()(E.a.mark(function t(e,n,r){var i,o;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:(i=document.createElement("a")).style.display="none",document.body.appendChild(i),o=new Blob([e],{type:r}),i.href=URL.createObjectURL(o),i.download=n,i.click();case 7:case"end":return t.stop();}}},t);}));return function(e,n,r){return t.apply(this,arguments);};}(),re=function(){var t=v()(E.a.mark(function t(e,n){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.abrupt("return",F.a.get(e).then(function(t){return t.data;}).then(function(t){return n&&n(null,t),t;}).catch(function(t){throw n&&n(t),console.error("There has been a problem loading the file: ".concat(t.message)),t;}));case 1:case"end":return t.stop();}}},t);}));return function(e,n){return t.apply(this,arguments);};}(),ie=function(){function t(){b()(this,t),this.knnClassifier=new ee(),this.mapStringToIndex=[];}return w()(t,[{key:"addExample",value:function value(t,e){var n,r;"string"==typeof e?n=this.mapStringToIndex.includes(e)?this.mapStringToIndex.indexOf(e):this.mapStringToIndex.push(e)-1:"number"==typeof e&&(n=e),r=Array.isArray(t)?p.tensor(t):t,this.knnClassifier.addExample(r,n);}},{key:"classify",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return i=3,o=r,"number"==typeof n?i=n:"function"==typeof n&&(o=n),a=Array.isArray(e)?p.tensor(e):e,t.abrupt("return",C(this.classifyInternal(a,i),o));case 5:case"end":return t.stop();}}},t,this);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"classifyInternal",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o,a=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(!(this.knnClassifier.getNumClasses()<=0)){t.next=5;break;}throw new Error("There is no example in any class");case 5:return t.next=7,this.knnClassifier.predictClass(e,n);case 7:return r=t.sent,this.mapStringToIndex.length>0&&((r.classIndex||0===r.classIndex)&&(i=this.mapStringToIndex[r.classIndex])&&(r.label=i),r.confidences&&(r.confidencesByLabel={},o=r.confidences,Object.keys(o).forEach(function(t){var e=a.mapStringToIndex[t];r.confidencesByLabel[e]=o[t];}))),t.abrupt("return",r);case 10:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"clearLabel",value:function value(t){var e;"string"==typeof t?this.mapStringToIndex.includes(t)&&(e=this.mapStringToIndex.indexOf(t)):"number"==typeof t&&(e=t),this.knnClassifier.clearClass(e);}},{key:"clearAllLabels",value:function value(){this.mapStringToIndex=[],this.knnClassifier.clearAllClasses();}},{key:"getCountByLabel",value:function value(){var t=this,e=this.knnClassifier.getClassExampleCount();if(this.mapStringToIndex.length>0){var n={};return Object.keys(e).forEach(function(r){if(t.mapStringToIndex[r]){var i=t.mapStringToIndex[r];n[i]=e[r];}}),n;}return e;}},{key:"getCount",value:function value(){return this.knnClassifier.getClassExampleCount();}},{key:"getClassifierDataset",value:function value(){return this.knnClassifier.getClassifierDataset();}},{key:"setClassifierDataset",value:function value(t){this.knnClassifier.setClassifierDataset(t);}},{key:"getNumLabels",value:function value(){return this.knnClassifier.getNumClasses();}},{key:"dispose",value:function value(){this.knnClassifier.dispose();}},{key:"save",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return n=this.knnClassifier.getClassifierDataset(),this.mapStringToIndex.length>0&&Object.keys(n).forEach(function(t){o.mapStringToIndex[t]&&(n[t].label=o.mapStringToIndex[t]);}),r=Object.keys(n).map(function(t){var e=n[t];return e?e.dataSync():null;}),i="myKNN.json",e&&(i=e.endsWith(".json")?e:"".concat(e,".json")),t.next=7,ne(JSON.stringify({dataset:n,tensors:r}),i,"application/octet-stream");case 7:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"load",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o,a,s;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if("object"!==S()(e)){t.next=4;break;}r=e,t.next=7;break;case 4:return t.next=6,re(e);case 6:r=t.sent;case 7:r&&(o=(i=r).dataset,a=i.tensors,this.mapStringToIndex=Object.keys(o).map(function(t){return o[t].label;}),s=a.map(function(t,e){if(t){var n=Object.keys(t).map(function(e){return t[e];});return p.tensor(n,o[e].shape,o[e].dtype);}return null;}).reduce(function(t,e,n){return t[n]=e,t;},{}),this.knnClassifier.setClassifierDataset(s),n&&n());case 8:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()}]),t;}(),oe=function oe(){return new ie();},ae=function(){function t(e,n){b()(this,t),this.videoElt=null,this.size=n,this.videoReady=!1,"undefined"!=typeof HTMLVideoElement&&(e instanceof HTMLVideoElement?this.videoElt=e:null!==e&&"object"===S()(e)&&e.elt instanceof HTMLVideoElement&&(this.videoElt=e.elt));}return w()(t,[{key:"loadVideo",value:function(){var t=v()(E.a.mark(function t(){var e,n=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.abrupt("return",new Promise(function(t,r){n.videoElt||r(new Error("No video was passed to the constructor.")),n.video=document.createElement("video");var i=navigator.userAgent;e=i.indexOf("Firefox")>-1?n.videoElt.mozCaptureStream():n.videoElt.captureStream(),n.video.srcObject=e,n.size&&(n.video.width=n.size,n.video.height=n.size),n.video.autoplay=!0,n.video.playsinline=!0,n.video.muted=!0;var o=n.video.play();void 0!==o&&o.then(function(){n.videoReady=!0,t(n.video);});}));case 1:case"end":return t.stop();}}},t);}));return function(){return t.apply(this,arguments);};}()}]),t;}(),se=224,ue=[se,se],ce="https://storage.googleapis.com/tfjs-models/tfjs/mobilenet_v",le={version:1,alpha:.25,topk:3,learningRate:1e-4,hiddenUnits:100,epochs:20,numLabels:2,batchSize:.4,layer:"conv_pw_13_relu"},fe={1:{.25:"https://tfhub.dev/google/imagenet/mobilenet_v1_025_224/classification/1",.5:"https://tfhub.dev/google/imagenet/mobilenet_v1_050_224/classification/1",.75:"https://tfhub.dev/google/imagenet/mobilenet_v1_075_224/classification/1",1:"https://tfhub.dev/google/imagenet/mobilenet_v1_100_224/classification/1"},2:{.5:"https://tfhub.dev/google/imagenet/mobilenet_v2_050_224/classification/2",.75:"https://tfhub.dev/google/imagenet/mobilenet_v2_075_224/classification/2",1:"https://tfhub.dev/google/imagenet/mobilenet_v2_100_224/classification/2"}},he={1:"module_apply_default/MobilenetV1/Logits/global_pool",2:"module_apply_default/MobilenetV2/Logits/AvgPool"},de=function(){function t(e,n){b()(this,t),this.mobilenet=null,this.topKPredictions=10,this.hasAnyTrainedClass=!1,this.customModel=null,this.jointModel=null,this.config={epochs:e.epochs||le.epochs,version:e.version||le.version,hiddenUnits:e.hiddenUnits||le.hiddenUnits,numLabels:e.numLabels||le.numLabels,learningRate:e.learningRate||le.learningRate,batchSize:e.batchSize||le.batchSize,layer:e.layer||le.layer,alpha:e.alpha||le.alpha},this.model=null,this.url=fe[this.config.version][this.config.alpha],this.normalizationOffset=p.scalar(127.5),this.mobilenetURL=e.mobilenetURL||"".concat(ce).concat(this.config.version,"_").concat(this.config.alpha,"_").concat(se,"/model.json"),this.graphModelURL=e.graphModelURL||this.url,this.isPredicting=!1,this.mapStringToIndex=[],this.usageType=null,this.ready=C(this.loadModel(),n);}return w()(t,[{key:"loadModel",value:function(){var t=v()(E.a.mark(function t(){var e;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,p.loadLayersModel(this.mobilenetURL);case 2:if(this.mobilenet=t.sent,!this.graphModelURL.includes("https://tfhub.dev/")){t.next=9;break;}return t.next=6,p.loadGraphModel(this.graphModelURL,{fromTFHub:!0});case 6:this.model=t.sent,t.next=12;break;case 9:return t.next=11,p.loadGraphModel(this.graphModelURL,{fromTFHub:!1});case 11:this.model=t.sent;case 12:return e=this.mobilenet.getLayer(this.config.layer),t.next=15,p.model({inputs:this.mobilenet.inputs,outputs:e.output});case 15:if(this.mobilenetFeatures=t.sent,!this.video){t.next=19;break;}return t.next=19,this.mobilenetFeatures.predict(ut(this.video,ue));case 19:return t.abrupt("return",this);case 20:case"end":return t.stop();}}},t,this);}));return function(){return t.apply(this,arguments);};}()},{key:"classification",value:function value(t){var e,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=arguments.length>2?arguments[2]:void 0;return this.usageType="classifier","object"===S()(n)?Object.assign(this.config,n):"function"==typeof n&&(e=n),"function"==typeof r&&(e=r),t&&C(this.loadVideo(t),e),this;}},{key:"regression",value:function value(t,e){return this.usageType="regressor",t&&C(this.loadVideo(t),e),this;}},{key:"loadVideo",value:function(){var t=v()(E.a.mark(function t(e){var n,r;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(n=null,e instanceof HTMLVideoElement?n=e:"object"===S()(e)&&e.elt instanceof HTMLVideoElement&&(n=e.elt),!n){t.next=7;break;}return r=new ae(n,se),t.next=6,r.loadVideo();case 6:this.video=t.sent;case 7:return t.abrupt("return",this);case 8:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"addImage",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return a=r,e instanceof HTMLImageElement||e instanceof HTMLVideoElement||e instanceof HTMLCanvasElement||e.elt instanceof ImageData?i=e:"object"===S()(e)&&(e.elt instanceof HTMLImageElement||e.elt instanceof HTMLVideoElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof ImageData)?i=e.elt:"string"!=typeof e&&"number"!=typeof e||(i=this.video,o=e),"string"==typeof n||"number"==typeof n?o=n:"function"==typeof n&&(a=n),"string"==typeof o&&(o=this.mapStringToIndex.includes(o)?this.mapStringToIndex.indexOf(o):this.mapStringToIndex.push(o)-1),t.abrupt("return",C(this.addImageInternal(i,o),a));case 5:case"end":return t.stop();}}},t,this);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"addImageInternal",value:function(){var t=v()(E.a.mark(function t(e,n){var r=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return p.tidy(function(){var t,i=ut(e,ue),o=r.mobilenetFeatures.predict(i);if("classifier"===r.usageType?t=p.tidy(function(){return p.oneHot(p.tensor1d([n],"int32"),r.config.numLabels);}):"regressor"===r.usageType&&(t=p.tensor2d([[n]])),null==r.xs)r.xs=p.keep(o),r.ys=p.keep(t),r.hasAnyTrainedClass=!0;else {var a=r.xs;r.xs=p.keep(a.concat(o,0));var s=r.ys;r.ys=p.keep(s.concat(t,0)),a.dispose(),s.dispose(),t.dispose();}}),t.abrupt("return",this);case 4:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"train",value:function(){var t=v()(E.a.mark(function t(e){var n,r;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(this.hasAnyTrainedClass){t.next=2;break;}throw new Error("Add some examples before training!");case 2:if(this.isPredicting=!1,"classifier"===this.usageType?(this.loss="categoricalCrossentropy",this.customModel=p.sequential({layers:[p.layers.flatten({inputShape:[7,7,256]}),p.layers.dense({units:this.config.hiddenUnits,activation:"relu",kernelInitializer:"varianceScaling",useBias:!0}),p.layers.dense({units:this.config.numLabels,kernelInitializer:"varianceScaling",useBias:!1,activation:"softmax"})]})):"regressor"===this.usageType&&(this.loss="meanSquaredError",this.customModel=p.sequential({layers:[p.layers.flatten({inputShape:[7,7,256]}),p.layers.dense({units:this.config.hiddenUnits,activation:"relu",kernelInitializer:"varianceScaling",useBias:!0}),p.layers.dense({units:1,useBias:!1,kernelInitializer:"Zeros",activation:"linear"})]})),this.jointModel=p.sequential(),this.jointModel.add(this.mobilenetFeatures),this.jointModel.add(this.customModel),n=p.train.adam(this.config.learningRate),this.customModel.compile({optimizer:n,loss:this.loss}),(r=Math.floor(this.xs.shape[0]*this.config.batchSize))>0){t.next=12;break;}throw new Error("Batch size is 0 or NaN. Please choose a non-zero fraction.");case 12:return t.abrupt("return",this.customModel.fit(this.xs,this.ys,{batchSize:r,epochs:this.config.epochs,callbacks:{onBatchEnd:function(){var t=v()(E.a.mark(function t(n,r){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return e(r.loss.toFixed(5)),t.next=3,p.nextFrame();case 3:case"end":return t.stop();}}},t);}));return function(e,n){return t.apply(this,arguments);};}(),onTrainEnd:function onTrainEnd(){return e(null);}}}));case 13:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"classify",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return e instanceof HTMLImageElement||e instanceof HTMLVideoElement||e instanceof HTMLCanvasElement||e instanceof ImageData?r=e:"object"===S()(e)&&(e.elt instanceof HTMLImageElement||e.elt instanceof HTMLVideoElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof ImageData)?r=e.elt:"function"==typeof e&&(r=this.video,i=e),"function"==typeof n&&(i=n),t.abrupt("return",C(this.classifyInternal(r),i));case 3:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"classifyInternal",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if("classifier"===this.usageType){t.next=2;break;}throw new Error("Mobilenet Feature Extraction has not been set to be a classifier.");case 2:return t.next=4,p.nextFrame();case 4:return this.isPredicting=!0,n=p.tidy(function(){var t=ut(e,ue),n=i.jointModel.predict(t);return Array.from(n.as1D().dataSync());}),t.next=8,n.map(function(t,e){return {label:i.mapStringToIndex.length>0&&i.mapStringToIndex[e]?i.mapStringToIndex[e]:e,confidence:t};}).sort(function(t,e){return e.confidence-t.confidence;});case 8:return r=t.sent,t.abrupt("return",r);case 10:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"predict",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return e instanceof HTMLImageElement||e instanceof HTMLVideoElement||e instanceof HTMLCanvasElement||e instanceof ImageData?r=e:"object"===S()(e)&&(e.elt instanceof HTMLImageElement||e.elt instanceof HTMLVideoElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof ImageData)?r=e.elt:"function"==typeof e&&(r=this.video,i=e),"function"==typeof n&&(i=n),t.abrupt("return",C(this.predictInternal(r),i));case 3:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"predictInternal",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if("regressor"===this.usageType){t.next=2;break;}throw new Error("Mobilenet Feature Extraction has not been set to be a regressor.");case 2:return t.next=4,p.nextFrame();case 4:return this.isPredicting=!0,n=p.tidy(function(){var t=ut(e,ue);return i.jointModel.predict(t).as1D();}),t.next=8,n.data();case 8:return r=t.sent,n.dispose(),t.abrupt("return",{value:r[0]});case 11:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"load",value:function(){var t=v()(E.a.mark(function t(){var e,n,r,i,o,a,s=this,u=arguments;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(e=u.length>0&&void 0!==u[0]?u[0]:null,n=u.length>1?u[1]:void 0,"string"==typeof e){t.next=11;break;}return r=null,i=null,Array.from(e).forEach(function(t){if(t.name.includes(".json")){r=t;var e=new FileReader();e.onload=function(t){JSON.parse(t.target.result).ml5Specs&&(s.mapStringToIndex=JSON.parse(t.target.result).ml5Specs.mapStringToIndex);},e.readAsText(t);}else t.name.includes(".bin")&&(i=t);}),t.next=8,p.loadLayersModel(p.io.browserFiles([r,i]));case 8:this.jointModel=t.sent,t.next=20;break;case 11:return t.next=13,F.a.get(e);case 13:return o=t.sent,(a=o.data).ml5Specs&&(this.mapStringToIndex=a.ml5Specs.mapStringToIndex),t.next=18,p.loadLayersModel(e);case 18:this.jointModel=t.sent,n&&n();case 20:return t.abrupt("return",this.jointModel);case 21:case"end":return t.stop();}}},t,this);}));return function(){return t.apply(this,arguments);};}()},{key:"save",value:function(){var t=v()(E.a.mark(function t(e,n){var r=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(this.jointModel){t.next=2;break;}throw new Error("No model found.");case 2:this.jointModel.save(p.io.withSaveHandler(function(){var t=v()(E.a.mark(function t(i){var o;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return o="model",n&&(o=n),r.weightsManifest={modelTopology:i.modelTopology,weightsManifest:[{paths:["./".concat(o,".weights.bin")],weights:i.weightSpecs}],ml5Specs:{mapStringToIndex:r.mapStringToIndex}},t.next=5,ne(i.weightData,"".concat(o,".weights.bin"),"application/octet-stream");case 5:return t.next=7,ne(JSON.stringify(r.weightsManifest),"".concat(o,".json"),"text/plain");case 7:e&&e();case 8:case"end":return t.stop();}}},t);}));return function(e){return t.apply(this,arguments);};}()));case 3:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"mobilenetInfer",value:function value(t){var e=this,n=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=t;return r instanceof p.Tensor||r instanceof ImageData||r instanceof HTMLImageElement||r instanceof HTMLCanvasElement||r instanceof HTMLVideoElement?p.tidy(function(){r instanceof p.Tensor||(r=p.browser.fromPixels(r));var 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Xn={architecture:"MobileNetV1",outputStride:16,flipHorizontal:!1,minConfidence:.5,maxPoseDetections:5,scoreThreshold:.5,nmsRadius:20,detectionType:"multiple",inputResolution:256,multiplier:.75,quantBytes:2,modelUrl:null},Yn=function(t){ve()(n,t);var e=Kn(n);function n(t,r,i,o){var a;return b()(this,n),(a=e.call(this)).video=t,a.modelUrl=r.modelUrl||null,a.architecture=r.architecture||Xn.architecture,a.detectionType=i||r.detectionType||Xn.detectionType,a.outputStride=r.outputStride||Xn.outputStride,a.flipHorizontal=r.flipHorizontal||Xn.flipHorizontal,a.scoreThreshold=r.scoreThreshold||Xn.scoreThreshold,a.minConfidence=r.minConfidence||Xn.minConfidence,a.maxPoseDetections=r.maxPoseDetections||Xn.maxPoseDetections,a.multiplier=r.multiplier||Xn.multiplier,a.inputResolution=r.inputResolution||Xn.inputResolution,a.quantBytes=r.quantBytes||Xn.quantBytes,a.nmsRadius=r.nmsRadius||Xn.nmsRadius,a.ready=C(a.load(),o),a;}return w()(n,[{key:"load",value:function(){var t=v()(E.a.mark(function t(){var 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e.abrupt("return",r);case 4:case"end":return e.stop();}}},e);}));return function(t){return e.apply(this,arguments);};}()}],[{key:"preprocess",value:function value(t){var e=p.tidy(function(){return p.sub(p.mul(t,p.scalar(2)),p.scalar(1));});return t.dispose(),e;}},{key:"deprocess",value:function value(t){var e=p.tidy(function(){return p.div(p.add(t,p.scalar(1)),p.scalar(2));});return t.dispose(),e;}},{key:"batchnorm",value:function value(t,e,n){var r=p.tidy(function(){var r=p.moments(t,[0,1]);return p.batchNorm(t,r.mean,r.variance,n,e,1e-5);});return t.dispose(),r;}},{key:"conv2d",value:function value(t,e){var n=e.clone(),r=p.tidy(function(){return p.conv2d(t,n,[2,2],"same");});return t.dispose(),n.dispose(),r;}},{key:"deconv2d",value:function value(t,e,n){var r=p.tidy(function(){var r=p.conv2dTranspose(t,e,[2*t.shape[0],2*t.shape[1],e.shape[2]],[2,2],"same");return p.add(r,n);});return t.dispose(),e.dispose(),n.dispose(),r;}}]),t;}(),hr=function hr(t,e){var n=new fr(t,e);return e?n:n.ready;},dr=n(241),pr=new Set(["alarm_clock","ambulance","angel","ant","antyoga","backpack","barn","basket","bear","bee","beeflower","bicycle","bird","book","brain","bridge","bulldozer","bus","butterfly","cactus","calendar","castle","cat","catbus","catpig","chair","couch","crab","crabchair","crabrabbitfacepig","cruise_ship","diving_board","dog","dogbunny","dolphin","duck","elephant","elephantpig","eye","face","fan","fire_hydrant","firetruck","flamingo","flower","floweryoga","frog","frogsofa","garden","hand","hedgeberry","hedgehog","helicopter","kangaroo","key","lantern","lighthouse","lion","lionsheep","lobster","map","mermaid","monapassport","monkey","mosquito","octopus","owl","paintbrush","palm_tree","parrot","passport","peas","penguin","pig","pigsheep","pineapple","pool","postcard","power_outlet","rabbit","rabbitturtle","radio","radioface","rain","rhinoceros","rifle","roller_coaster","sandwich","scorpion","sea_turtle","sheep","skull","snail","snowflake","speedboat","spider","squirrel","steak","stove","strawberry","swan","swing_set","the_mona_lisa","tiger","toothbrush","toothpaste","tractor","trombone","truck","whale","windmill","yoga","yogabicycle","everything"]),mr={modelPath:"https://storage.googleapis.com/quickdraw-models/sketchRNN/large_models/",modelPath_large:"https://storage.googleapis.com/quickdraw-models/sketchRNN/models/",modelPath_small:"https://storage.googleapis.com/quickdraw-models/sketchRNN/models/",PATH_END:".gen.json",temperature:.65,pixelFactor:3},gr=function(){function t(e,n){var r=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];b()(this,t);var i=e;if(this.config={temperature:.65,pixelFactor:3,modelPath:mr.modelPath,modelPath_small:mr.modelPath_small,modelPath_large:mr.modelPath_large,PATH_END:mr.PATH_END},!0===Ce.isAbsoluteURL(i)){var o=Ce.getModelPath(i);this.config.modelPath=o;}else {if(!pr.has(i))return console.log("no model found!"),this;i=(r?this.config.modelPath:this.config.modelPath_small)+i+this.config.PATH_END,this.config.modelPath=i;}this.model=new dr.SketchRNN(this.config.modelPath),this.penState=this.model.zeroInput(),this.ready=C(this.model.initialize(),n);}return w()(t,[{key:"generateInternal",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o,a;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return r=+e.temperature||this.config.temperature,i=+e.pixelFactor||this.config.pixelFactor,t.next=4,this.ready;case 4:return this.rnnState||(this.rnnState=this.model.zeroState(),this.model.setPixelFactor(i)),Array.isArray(n)&&n.length&&(this.rnnState=this.model.updateStrokes(n,this.rnnState)),this.rnnState=this.model.update(this.penState,this.rnnState),o=this.model.getPDF(this.rnnState,r),this.penState=this.model.sample(o),a={dx:this.penState[0],dy:this.penState[1]},1===this.penState[2]?a.pen="down":1===this.penState[3]?a.pen="up":1===this.penState[4]&&(a.pen="end"),t.abrupt("return",a);case 12:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"generate",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a,s;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return "function"==typeof e?(o={},a=[],i=e):Array.isArray(e)?(o={},a=e,i=n):"function"==typeof n?(o=e||{},a=[],i=n):(o=e||{},a=n||[],i=r),s=a.map(function(t){var e="up"===t.pen?1:0,n="down"===t.pen?1:0,r="end"===t.pen?1:0;return [t.dx,t.dy,n,e,r];}),t.abrupt("return",C(this.generateInternal(o,s),i));case 3:case"end":return t.stop();}}},t,this);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"reset",value:function value(){this.penState=this.model.zeroInput(),this.rnnState&&(this.rnnState=this.model.zeroState());}}]),t;}(),vr=function vr(t,e){var n=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];return new gr(t,e,n);},yr={modelPath:"https://raw.githubusercontent.com/zaidalyafeai/HostedModels/master/unet-128/model.json",imageSize:128,returnTensors:!1},br=function(){function t(e,n,r){b()(this,t),this.modelReady=!1,this.isPredicting=!1,this.config={modelPath:void 0!==n.modelPath?n.modelPath:yr.modelPath,imageSize:void 0!==n.imageSize?n.imageSize:yr.imageSize,returnTensors:void 0!==n.returnTensors?n.returnTensors:yr.returnTensors},this.ready=C(this.loadModel(),r);}return w()(t,[{key:"loadModel",value:function(){var t=v()(E.a.mark(function t(){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,p.loadLayersModel(this.config.modelPath);case 2:return this.model=t.sent,this.modelReady=!0,t.abrupt("return",this);case 5:case"end":return t.stop();}}},t,this);}));return function(){return t.apply(this,arguments);};}()},{key:"segment",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return i=n,e instanceof HTMLImageElement||e instanceof HTMLVideoElement||e instanceof HTMLCanvasElement||e instanceof ImageData?r=e:"object"===S()(e)&&(e.elt instanceof HTMLImageElement||e.elt instanceof HTMLVideoElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof ImageData)?r=e.elt:"function"==typeof e&&(r=this.video,i=e),t.abrupt("return",C(this.segmentInternal(r),i));case 5:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"convertToP5Image",value:function(){var t=v()(E.a.mark(function t(e){var n,r;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,rt.rawToBlob(e,this.config.imageSize,this.config.imageSize);case 2:return n=t.sent,t.next=5,rt.blobToP5Image(n);case 5:return r=t.sent,t.abrupt("return",r);case 7:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"segmentInternal",value:function(){var e=v()(E.a.mark(function e(n){var r,i,o,a,s,u,c,l,f,h,d,m,g,v,y=this;return E.a.wrap(function(e){for(;;){switch(e.prev=e.next){case 0:return e.next=2,this.ready;case 2:if(!(n instanceof HTMLVideoElement)){e.next=5;break;}return e.next=5,p.nextFrame();case 5:return this.isPredicting=!0,r=p.tidy(function(){var t=p.browser.fromPixels(n).toFloat(),e=p.image.resizeBilinear(t,[y.config.imageSize,y.config.imageSize]).div(p.scalar(255)),r=e.expandDims(0),i=y.model.predict(r),o=p.ones([128,128,1]).tile([1,1,1]);e=e.concat(o,2);var a=i.squeeze([0]),s=(a=(a=a.tile([1,1,4])).sub(.3).sign().relu().neg().add(1)).mul(e),u=i.squeeze([0]),c=(u=(u=u.tile([1,1,4])).sub(.3).sign().relu()).mul(e),l=p.ones([128,128,1]).tile([1,1,1]).mul(255),f=i.squeeze([0]);return {featureMask:s,backgroundMask:c,segmentation:f=(f=p.cast(f.tile([1,1,3]).sub(.3).sign().relu().mul(255),"int32")).concat(l,2)};}),i=r.featureMask,o=r.backgroundMask,a=r.segmentation,this.isPredicting=!1,e.next=10,p.browser.toPixels(i);case 10:return s=e.sent,e.next=13,p.browser.toPixels(o);case 13:return u=e.sent,e.next=16,p.browser.toPixels(a);case 16:if(c=e.sent,l=ot(i),f=ot(o),h=t.dataURLtoBlob(l.src),d=t.dataURLtoBlob(f.src),!rt.checkP5()){e.next=31;break;}return e.next=24,this.convertToP5Image(s);case 24:return m=e.sent,e.next=27,this.convertToP5Image(u);case 27:return g=e.sent,e.next=30,this.convertToP5Image(c);case 30:v=e.sent;case 31:return this.config.returnTensors||(i.dispose(),o.dispose(),a.dispose()),e.abrupt("return",{segmentation:c,blob:{featureMask:h,backgroundMask:d},tensor:{featureMask:i,backgroundMask:o},raw:{featureMask:s,backgroundMask:u},featureMask:m,backgroundMask:g,mask:v});case 33:case"end":return e.stop();}}},e,this);}));return function(t){return e.apply(this,arguments);};}()}],[{key:"dataURLtoBlob",value:function value(t){for(var e=t.split(","),n=e[0].match(/:(.*?);/)[1],r=atob(e[1]),i=r.length,o=new Uint8Array(i);i;){o[i]=r.charCodeAt(i),i-=1;}return new Blob([o],{type:n});}}]),t;}(),xr=function xr(t,e,n){var r=null,i={},o=n;return t instanceof HTMLVideoElement?r=t:"object"===S()(t)&&t.elt instanceof HTMLVideoElement?r=t.elt:"function"==typeof t?o=t:"object"===S()(t)&&(i=t),"object"===S()(e)?i=e:"function"==typeof e&&(o=e),new br(r,i,o);},wr=function(){function t(e,n){var r=this;b()(this,t),this.ready=!1,this.model={},this.latentDim=p.randomUniform([1,16]);var i=e.split("manifest.json"),o=Y()(i,1)[0];F.a.get(e).then(function(t){var e=t.data;r.ready=C(r.loadCVAEModel(o+e.model),n),r.labels=e.labels,r.labelVector=Array(r.labels.length+1).fill(0);});}return w()(t,[{key:"loadCVAEModel",value:function(){var t=v()(E.a.mark(function t(e){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,p.loadLayersModel(e);case 2:return this.model=t.sent,t.abrupt("return",this);case 4:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"generate",value:function(){var t=v()(E.a.mark(function t(e,n){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.abrupt("return",C(this.generateInternal(e),n));case 1:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"loadAsync",value:function value(t){var e=this;return new Promise(function(n,r){e.ready||r(),loadImage(t,function(t){n(t);});});}},{key:"getBlob",value:function value(t){var e=this;return new Promise(function(n,r){e.ready||r(),t.toBlob(function(t){n(t);});});}},{key:"generateInternal",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o,a,s,u,c,l,f,h,d,m=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return n=p.tidy(function(){m.latentDim=p.randomUniform([1,16]);var t=m.labels.indexOf(e);if(t<0)return console.log("Wrong input of the label!"),[void 0,void 0];m.labelVector=m.labelVector.map(function(){return 0;}),m.labelVector[t+1]=1;var n=p.tensor([m.labelVector]),r=m.model.predict([m.latentDim,n]);return r.reshape([r.shape[1],r.shape[2],r.shape[3]]);}),t.next=3,p.browser.toPixels(n);case 3:for(r=t.sent,n.dispose(),i=document.createElement("canvas"),o=i.getContext("2d"),a=Y()(n.shape,2),s=a[0],u=a[1],i.width=s,i.height=u,c=o.createImageData(s,u),l=c.data,f=0;f<s*u*4;f+=1){l[f]=r[f];}return o.putImageData(c,0,0),t.t0=URL,t.next=17,this.getBlob(i);case 17:if(t.t1=t.sent,h=t.t0.createObjectURL.call(t.t0,t.t1),!rt.checkP5()){t.next=23;break;}return t.next=22,this.loadAsync(h);case 22:d=t.sent;case 23:return t.abrupt("return",{src:h,raws:r,image:d});case 24:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()}]),t;}(),kr=function kr(t,e){return new wr(t,e);},Er=function(){function t(e,n,r){b()(this,t),this.model={},this.modelPath=e,this.modelInfo={},this.modelPathPrefix="",this.modelReady=!1,this.config={returnTensors:n.returnTensors||!1},this.ready=C(this.loadModel(),r);}return w()(t,[{key:"loadModel",value:function(){var t=v()(E.a.mark(function t(){var e,n,r,i,o,a;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,F.a.get(this.modelPath);case 2:return e=t.sent,n=e.data,this.modelInfo=n,r=this.modelPath.split("manifest.json"),i=Y()(r,1),o=i[0],a=this.isAbsoluteURL(o)?this.modelInfo.model:this.modelPathPrefix+this.modelInfo.model,t.next=9,p.loadLayersModel(a);case 9:return this.model=t.sent,this.modelReady=!0,t.abrupt("return",this);case 12:case"end":return t.stop();}}},t,this);}));return function(){return t.apply(this,arguments);};}()},{key:"generate",value:function(){var t=v()(E.a.mark(function t(e,n){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return t.abrupt("return",C(this.generateInternal(n),e));case 3:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"compute",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return r=p.tidy(function(){var t;if(!1===Array.isArray(n))t=p.randomNormal([1,e]);else {for(var r=p.buffer([1,e]),o=0;o<e;o+=1){r.set(n[o],0,o);}t=r.toTensor();}return i.model.predict(t).squeeze().transpose([1,2,0]).div(p.scalar(2)).add(p.scalar(.5));}),t.abrupt("return",r);case 2:case"end":return t.stop();}}},t);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"generateInternal",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o,a,s,u,c,l;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return n=this.modelInfo.modelLatentDim,t.next=3,this.compute(n,e);case 3:return r=t.sent,t.next=6,p.browser.toPixels(r);case 6:return i=t.sent,o=Y()(r.shape,2),a=o[0],s=o[1],t.next=10,rt.rawToBlob(i,s,a);case 10:if(u=t.sent,!rt.checkP5()){t.next=15;break;}return t.next=14,rt.blobToP5Image(u);case 14:c=t.sent;case 15:return (l={}).blob=u,l.raw=i,rt.checkP5()&&(l.image=c),this.config.returnTensors?l.tensor=r:(l.tensor=null,r.dispose()),t.abrupt("return",l);case 21:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"isAbsoluteURL",value:function value(t){return !!new RegExp("^(?:[a-z]+:)?//","i").test(t);}}]),t;}(),Cr=function Cr(t,e,n){var r,i={};if("string"!=typeof t)throw new Error('Please specify a path to a "manifest.json" file: \n\n         "models/face/manifest.json" \n\n\n         This "manifest.json" file should include:\n\n         {\n            "description": "DCGAN, human faces, 64x64",\n            "model": "https://raw.githubusercontent.com/viztopia/ml5dcgan/master/model/model.json", // "https://github.com/viztopia/ml5dcgan/blob/master/model/model.json",\n            "modelSize": 64,\n            "modelLatentDim": 128 \n         }\n         ');"function"==typeof e?r=e:"object"===S()(e)&&(i=e,r=n);var o=new Er(t,i,r);return r?o:o.ready;},Ar=n(30),Or=n.n(Ar);var _r=n(132),Sr=0;var Dr=function(){function t(e,n){b()(this,t),this.ready=C(this.loadModel(e),n);}return w()(t,[{key:"loadModel",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(n={model:null,metadata:null},"moviereviews"!==e.toLowerCase()){t.next=6;break;}n.model="https://storage.googleapis.com/tfjs-models/tfjs/sentiment_cnn_v1/model.json",n.metadata="https://storage.googleapis.com/tfjs-models/tfjs/sentiment_cnn_v1/metadata.json",t.next=14;break;case 6:if(!0!==Ce.isAbsoluteURL(e)){t.next=12;break;}r=Ce.getModelPath(e),n.model="".concat(r,"/model.json"),n.metadata="".concat(r,"/metadata.json"),t.next=14;break;case 12:return console.error("problem loading model"),t.abrupt("return",this);case 14:return t.next=16,p.loadLayersModel(n.model);case 16:return this.model=t.sent,t.next=19,F.a.get(n.metadata);case 19:return i=t.sent,o=i.data,this.indexFrom=o.index_from,this.maxLen=o.max_len,this.wordIndex=o.word_index,this.vocabularySize=o.vocabulary_size,t.abrupt("return",this);case 26:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"predict",value:function value(t){var e=this,n=function(t,e){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"pre",r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:"pre",i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:Sr;return t.map(function(t){if(t.length>e&&("pre"===r?t.splice(0,t.length-e):t.splice(e,t.length-e)),t.length<e){for(var o=[],a=0;a<e-t.length;a+=1){o.push(i);}t="pre"===n?o.concat(t):t.concat(o);}return t;});}([t.trim().toLowerCase().replace(/[.,?!]/g,"").split(" ").map(function(t){var n=e.wordIndex[t]+e.indexFrom;return n>e.vocabularySize&&(n=2),n;})],this.maxLen),r=p.tensor2d(n,[1,this.maxLen]),i=this.model.predict(r),o=i.dataSync()[0];return i.dispose(),r.dispose(),{score:o};}}]),t;}(),Fr=function Fr(t,e){return new Dr(t,e);};/**
    * @license
    * Copyright 2019 Google LLC. All Rights Reserved.
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    * =============================================================================
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this.modelWeights.weights(t);},t.prototype.convBias=function(t,e){return void 0===e&&(e=!0),this.modelWeights.convBias(t,e);},t.prototype.depthwiseBias=function(t){return this.modelWeights.depthwiseBias(t);},t.prototype.depthwiseWeights=function(t){return this.modelWeights.depthwiseWeights(t);},t.prototype.dispose=function(){this.modelWeights.dispose();},t;}(),Pr="https://storage.googleapis.com/tfjs-models/savedmodel/",Lr={1:{url:Pr+"posenet_mobilenet_100_partmap/",architecture:jr[100]},.75:{url:Pr+"posenet_mobilenet_075_partmap/",architecture:jr[75]},.5:{url:Pr+"posenet_mobilenet_050_partmap/",architecture:jr[50]},.25:{url:Pr+"posenet_mobilenet_025_partmap/",architecture:jr[25]}};function zr(t,e){return Object(N.tidy)(function(){return t.greater(Object(N.scalar)(e)).toInt();});}function Ur(t,e){var n=e.shape,r=n[0],i=n[1],o=n[2];return Object(N.tidy)(function(){var n=function(t){var e=t.shape[2],n=t.argMax(2).reshape([-1]);return Object(N.oneHot)(n,e);}(e),a=Object(N.range)(0,o,1,"int32").expandDims(1);return function(t,e){return t.mul(e);}(n.matMul(a).toInt().reshape([r,i]).add(Object(N.scalar)(1,"int32")),t).sub(Object(N.scalar)(1,"int32"));});}var Wr=function(){function t(t){this.graphModel=t;}return t.prototype.weights=function(t){return this.getVariable("MobilenetV1/"+t+"/weights");},t.prototype.convBias=function(t,e){return this.getVariable("MobilenetV1/"+t+"/Conv2D_bias");},t.prototype.depthwiseBias=function(t){return this.getVariable("MobilenetV1/"+t+"/depthwise_bias");},t.prototype.depthwiseWeights=function(t){return this.getVariable("MobilenetV1/"+t+"/depthwise_weights");},t.prototype.getVariable=function(t){return this.graphModel.weights[""+t][0];},t.prototype.dispose=function(){this.graphModel.dispose();},t;}();function Vr(t){return t instanceof N.Tensor?t:N.browser.fromPixels(t);}function qr(t,e,n){var r=e[0],i=e[1];void 0===n&&(n=!1);var o,a,s,u,c,l,f=t.shape,h=f[0],d=f[1]/h;if(d>i/r){o=i;var p=r-(a=Math.ceil(o/d));s=0,u=0,c=Math.floor(p/2),l=r-(a+c);}else {a=r;var m=i-(o=Math.ceil(r*d));s=Math.floor(m/2),u=i-(o+s),c=0,l=0;}return {resizedAndPadded:Object(N.tidy)(function(){var e;return e=n?t.reverse(1).resizeBilinear([a,o]):t.resizeBilinear([a,o]),Object(N.pad3d)(e,[[c,l],[s,u],[0,0]]);}),paddedBy:[[c,l],[s,u]]};}function $r(t,e,n,r){var i=e[0],o=e[1],a=n[0],s=n[1],u=r[0],c=u[0],l=u[1],f=r[1],h=f[0],d=f[1];return Object(N.tidy)(function(){return function(t,e,n){var r=e[0],i=e[1],o=n[0],a=o[0],s=o[1],u=n[1],c=u[0],l=u[1],f=t.shape,h=f[0],d=f[1],p=h-(a+s),m=d-(c+l);return Object(N.tidy)(function(){return Object(N.slice3d)(t,[a,c,0],[p,m,t.shape[2]]).resizeBilinear([r,i],!0);});}(t.resizeBilinear([a,s],!0),[i,o],[[c,l],[h,d]]);});}var Hr=[353,257],Gr=function(){function t(t){this.mobileNet=t;}return t.prototype.predictForSegmentation=function(t,e){var n=this;return void 0===e&&(e=16),Mr(e),Object(N.tidy)(function(){var r=n.mobileNet.predict(t,e);return n.mobileNet.convToOutput(r,"segment_2").sigmoid();});},t.prototype.predictForPartMap=function(t,e){var n=this;return void 0===e&&(e=16),Mr(e),Object(N.tidy)(function(){var r=n.mobileNet.predict(t,e),i=n.mobileNet.convToOutput(r,"segment_2"),o=n.mobileNet.convToOutput(r,"part_heatmap_2");return {segmentScores:i.sigmoid(),partHeatmapScores:o.sigmoid()};});},t.prototype.estimatePersonSegmentationActivation=function(t,e,n){var r=this;return void 0===e&&(e=16),void 0===n&&(n=.5),Mr(e),Object(N.tidy)(function(){var i=Vr(t),o=qr(i,Hr),a=o.resizedAndPadded,s=o.paddedBy,u=r.predictForSegmentation(a,e),c=a.shape,l=c[0],f=c[1],h=i.shape;return zr($r(u,[h[0],h[1]],[l,f],s).squeeze(),n);});},t.prototype.estimatePersonSegmentation=function(t,e,n){return void 0===e&&(e=16),void 0===n&&(n=.5),Tr(this,void 0,void 0,function(){var r,i,o,a,s;return Nr(this,function(u){switch(u.label){case 0:return r=this.estimatePersonSegmentationActivation(t,e,n),i=r.shape,o=i[0],a=i[1],[4,r.data()];case 1:return s=u.sent(),r.dispose(),[2,{height:o,width:a,data:s}];}});});},t.prototype.estimatePartSegmentationActivation=function(t,e,n){var r=this;return void 0===e&&(e=16),void 0===n&&(n=.5),Mr(e),Object(N.tidy)(function(){var i=Vr(t),o=qr(i,Hr),a=o.resizedAndPadded,s=o.paddedBy,u=r.predictForPartMap(a,e),c=u.segmentScores,l=u.partHeatmapScores,f=a.shape,h=f[0],d=f[1],p=i.shape,m=p[0],g=p[1],v=$r(c,[m,g],[h,d],s),y=$r(l,[m,g],[h,d],s);return Ur(zr(v.squeeze(),n),y);});},t.prototype.estimatePartSegmentation=function(t,e,n){return void 0===e&&(e=16),void 0===n&&(n=.5),Tr(this,void 0,void 0,function(){var r,i,o,a,s;return Nr(this,function(u){switch(u.label){case 0:return r=this.estimatePartSegmentationActivation(t,e,n),i=r.shape,o=i[0],a=i[1],[4,r.data()];case 1:return s=u.sent(),r.dispose(),[2,{height:o,width:a,data:s}];}});});},t.prototype.dispose=function(){this.mobileNet.dispose();},t;}();function Kr(t){return void 0===t&&(t=.75),Tr(this,void 0,void 0,function(){var e,n;return Nr(this,function(r){switch(r.label){case 0:if(null==N)throw new Error("Cannot find TensorFlow.js. 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Must be one of "+e.join(",")+".";}),[4,Xr.load(t)];case 1:return n=r.sent(),[2,new Gr(n)];}});});}var Xr={load:function load(t){return Tr(void 0,void 0,void 0,function(){var e,n,r,i;return Nr(this,function(o){switch(o.label){case 0:return e=Lr[t],n=e.url,[4,Object(T.loadGraphModel)(n+"model.json")];case 1:return r=o.sent(),i=new Wr(r),[2,new Br(i,e.architecture)];}});});}};function Yr(t,e){void 0===e&&(e=!0);for(var n=t.width,r=t.height,i=t.data,o=new Uint8ClampedArray(n*r*4),a=0;a<r*n;++a){var s=255*(e?1-i[a]:i[a]),u=4*a;o[u+0]=0,o[u+1]=0,o[u+2]=0,o[u+3]=Math.round(s);}return new ImageData(o,n,r);}function Jr(t,e){for(var n=t.width,r=t.height,i=t.data,o=new Uint8ClampedArray(n*r*4),a=0;a<r*n;++a){var s=Math.round(i[a]),u=4*a;if(-1===s)o[u+0]=255,o[u+1]=255,o[u+2]=255,o[u+3]=255;else {var c=e[s];if(!c)throw new Error("No color could be found for part id "+s);o[u+0]=c[0],o[u+1]=c[1],o[u+2]=c[2],o[u+3]=255;}}return new ImageData(o,n,r);}var Qr={multiplier:.75,outputStride:16,segmentationThreshold:.5,palette:{leftFace:{id:0,color:[110,64,170]},rightFace:{id:1,color:[106,72,183]},rightUpperLegFront:{id:2,color:[100,81,196]},rightLowerLegBack:{id:3,color:[92,91,206]},rightUpperLegBack:{id:4,color:[84,101,214]},leftLowerLegFront:{id:5,color:[75,113,221]},leftUpperLegFront:{id:6,color:[66,125,224]},leftUpperLegBack:{id:7,color:[56,138,226]},leftLowerLegBack:{id:8,color:[48,150,224]},rightFeet:{id:9,color:[40,163,220]},rightLowerLegFront:{id:10,color:[33,176,214]},leftFeet:{id:11,color:[29,188,205]},torsoFront:{id:12,color:[26,199,194]},torsoBack:{id:13,color:[26,210,182]},rightUpperArmFront:{id:14,color:[28,219,169]},rightUpperArmBack:{id:15,color:[33,227,155]},rightLowerArmBack:{id:16,color:[41,234,141]},leftLowerArmFront:{id:17,color:[51,240,128]},leftUpperArmFront:{id:18,color:[64,243,116]},leftUpperArmBack:{id:19,color:[79,246,105]},leftLowerArmBack:{id:20,color:[96,247,97]},rightHand:{id:21,color:[115,246,91]},rightLowerArmFront:{id:22,color:[134,245,88]},leftHand:{id:23,color:[155,243,88]}},returnTensors:!1},Zr=function(){function t(e,n,r){b()(this,t),this.video=e,this.model=null,this.modelReady=!1,this.modelPath="",this.config={multiplier:n.multiplier||Qr.multiplier,outputStride:n.outputStride||Qr.outputStride,segmentationThreshold:n.segmentationThreshold||Qr.segmentationThreshold,palette:n.palette||Qr.palette,returnTensors:n.returnTensors||Qr.returnTensors},this.ready=C(this.loadModel(),r);}return w()(t,[{key:"loadModel",value:function(){var t=v()(E.a.mark(function t(){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,Kr(this.config.multiplier);case 2:return this.model=t.sent,this.modelReady=!0,t.abrupt("return",this);case 5:case"end":return t.stop();}}},t,this);}));return function(){return t.apply(this,arguments);};}()},{key:"p5Color2RGB",value:function value(t){var e=/\(([^)]+)\)/.exec(t.toString("rgb"))[1].split(","),n=Y()(e,3);return [n[0],n[1],n[2]];}},{key:"convertToP5Image",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,rt.rawToBlob(e,n,r);case 2:return i=t.sent,t.next=5,rt.blobToP5Image(i);case 5:return o=t.sent,t.abrupt("return",o);case 7:case"end":return t.stop();}}},t);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"bodyPartsSpec",value:function value(t){var e=this,n=void 0!==t||Object.keys(t).length>=24?t:this.config.palette,r=rt.p5Instance;return r&&void 0!==n&&Object.keys(n).length>=24&&Object.keys(n).forEach(function(t){n[t].color instanceof r.Color&&(n[t].color=e.p5Color2RGB(n[t].color));}),n;}},{key:"segmentWithPartsInternal",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o,a,s,u,c,l,f,h,d,m=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return t.next=4,p.nextFrame();case 4:if(!this.video||0!==this.video.readyState){t.next=7;break;}return t.next=7,new Promise(function(t){m.video.onloadeddata=function(){return t();};});case 7:return this.config.palette=n.palette||this.config.palette,this.config.outputStride=n.outputStride||this.config.outputStride,this.config.segmentationThreshold=n.segmentationThreshold||this.config.segmentationThreshold,t.next=12,this.model.estimatePartSegmentation(e,this.config.outputStride,this.config.segmentationThreshold);case 12:return r=t.sent,i=this.bodyPartsSpec(this.config.palette),o=Object.keys(i).map(function(t){return i[t].color;}),(a={segmentation:r,raw:{personMask:null,backgroundMask:null,partMask:null},tensor:{personMask:null,backgroundMask:null,partMask:null},personMask:null,backgroundMask:null,partMask:null,bodyParts:i}).raw.backgroundMask=Yr(r,!0),a.raw.personMask=Yr(r,!1),a.raw.partMask=Jr(r,o),s=p.tidy(function(){var t=p.browser.fromPixels(e),n=p.ones([r.height,r.width,1]).tile([1,1,1]).mul(255);t=t.concat(n,2);var i=p.tensor(r.data,[r.height,r.width,1]),o=p.tensor(r.data,[r.height,r.width,1]),s=p.tensor(Or()(a.raw.partMask.data),[r.height,r.width,4]);return {personMask:i=p.cast(i.add(.2).sign().relu().mul(t),"int32"),backgroundMask:o=p.cast(o.add(.2).sign().neg().relu().mul(t),"int32"),partMask:s=p.cast(s,"int32")};}),u=s.personMask,c=s.backgroundMask,l=s.partMask,t.next=22,p.browser.toPixels(u);case 22:return f=t.sent,t.next=25,p.browser.toPixels(c);case 25:return h=t.sent,t.next=28,p.browser.toPixels(l);case 28:if(d=t.sent,a.personMask=f,a.backgroundMask=h,a.partMask=d,!rt.checkP5()){t.next=42;break;}return t.next=35,this.convertToP5Image(f,r.width,r.height);case 35:return a.personMask=t.sent,t.next=38,this.convertToP5Image(h,r.width,r.height);case 38:return a.backgroundMask=t.sent,t.next=41,this.convertToP5Image(d,r.width,r.height);case 41:a.partMask=t.sent;case 42:return this.config.returnTensors?(a.tensor.personMask=u,a.tensor.backgroundMask=c,a.tensor.partMask=l):(u.dispose(),c.dispose(),l.dispose()),t.abrupt("return",a);case 44:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"segmentWithParts",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(i=this.video,a=this.config,"function"!=typeof e){t.next=7;break;}i=this.video,o=e,t.next=25;break;case 7:if(!(e instanceof HTMLImageElement||e instanceof HTMLCanvasElement||e instanceof HTMLVideoElement||e instanceof ImageData)){t.next=11;break;}i=e,t.next=25;break;case 11:if("object"!==S()(e)||!(e.elt instanceof HTMLImageElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof ImageData)){t.next=15;break;}i=e.elt,t.next=25;break;case 15:if(!("object"===S()(e)&&e.canvas instanceof HTMLCanvasElement)){t.next=19;break;}i=e.canvas,t.next=25;break;case 19:if(!("object"===S()(e)&&e.elt instanceof HTMLVideoElement)){t.next=23;break;}i=e.elt,t.next=25;break;case 23:if(this.video instanceof HTMLVideoElement){t.next=25;break;}throw new Error("No input image provided. If you want to classify a video, pass the video element in the constructor. ");case 25:return "object"===S()(n)?a=n:"function"==typeof n&&(o=n),"function"==typeof r&&(o=r),t.abrupt("return",C(this.segmentWithPartsInternal(i,a),o));case 28:case"end":return t.stop();}}},t,this);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"segmentInternal",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o,a,s,u,c,l=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return t.next=4,p.nextFrame();case 4:if(!this.video||0!==this.video.readyState){t.next=7;break;}return t.next=7,new Promise(function(t){l.video.onloadeddata=function(){return t();};});case 7:return this.config.outputStride=n.outputStride||this.config.outputStride,this.config.segmentationThreshold=n.segmentationThreshold||this.config.segmentationThreshold,t.next=11,this.model.estimatePersonSegmentation(e,this.config.outputStride,this.config.segmentationThreshold);case 11:return r=t.sent,(i={segmentation:r,raw:{personMask:null,backgroundMask:null},tensor:{personMask:null,backgroundMask:null},personMask:null,backgroundMask:null}).raw.backgroundMask=Yr(r,!0),i.raw.personMask=Yr(r,!1),o=p.tidy(function(){var t=p.browser.fromPixels(e),n=p.ones([r.height,r.width,1]).tile([1,1,1]).mul(255);t=t.concat(n,2);var i=p.tensor(r.data,[r.height,r.width,1]),o=p.tensor(r.data,[r.height,r.width,1]);return {personMask:i=p.cast(i.neg().add(1).mul(t),"int32"),backgroundMask:o=p.cast(o.mul(t),"int32")};}),a=o.personMask,s=o.backgroundMask,t.next=18,p.browser.toPixels(a);case 18:return u=t.sent,t.next=21,p.browser.toPixels(s);case 21:if(c=t.sent,!rt.checkP5()){t.next=31;break;}return t.next=25,this.convertToP5Image(u,r.width,r.height);case 25:return i.personMask=t.sent,t.next=28,this.convertToP5Image(c,r.width,r.height);case 28:i.backgroundMask=t.sent,t.next=33;break;case 31:i.personMask=u,i.backgroundMask=c;case 33:return this.config.returnTensors?(i.tensor.personMask=a,i.tensor.backgroundMask=s):(a.dispose(),s.dispose()),t.abrupt("return",i);case 35:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"segment",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(i=this.video,a=this.config,"function"!=typeof e){t.next=7;break;}i=this.video,o=e,t.next=25;break;case 7:if(!(e instanceof HTMLImageElement||e instanceof HTMLCanvasElement||e instanceof HTMLVideoElement||e instanceof ImageData)){t.next=11;break;}i=e,t.next=25;break;case 11:if("object"!==S()(e)||!(e.elt instanceof HTMLImageElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof ImageData)){t.next=15;break;}i=e.elt,t.next=25;break;case 15:if(!("object"===S()(e)&&e.canvas instanceof HTMLCanvasElement)){t.next=19;break;}i=e.canvas,t.next=25;break;case 19:if(!("object"===S()(e)&&e.elt instanceof HTMLVideoElement)){t.next=23;break;}i=e.elt,t.next=25;break;case 23:if(this.video instanceof HTMLVideoElement){t.next=25;break;}throw new Error("No input image provided. If you want to classify a video, pass the video element in the constructor. ");case 25:return "object"===S()(n)?a=n:"function"==typeof n&&(o=n),"function"==typeof r&&(o=r),t.abrupt("return",C(this.segmentInternal(i,a),o));case 28:case"end":return t.stop();}}},t,this);}));return function(e,n,r){return t.apply(this,arguments);};}()}]),t;}(),ti=function ti(t,e,n){var r,i={},o=n;t instanceof HTMLVideoElement?r=t:"object"===S()(t)&&t.elt instanceof HTMLVideoElement?r=t.elt:"object"===S()(t)?i=t:"function"==typeof t&&(o=t),"object"===S()(e)?i=e:"function"==typeof e&&(o=e);var a=new Zr(r,i,o);return o?a:a.ready;},ei=function ei(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;return Math.random()*(e-t)+t;},ni=function ni(){var t,e,n,r,i,o,a=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;if(o)t=e,o=!1;else {do{i=(n=ei(0,2)-1)*n+(r=ei(0,2)-1)*r;}while(i>=1);t=n*(i=Math.sqrt(-2*Math.log(i)/i)),e=r*i,o=!0;}return t*s+a;},ri=function ri(t,e){var n;if(!0===(arguments.length>2&&void 0!==arguments[2]&&arguments[2]))n=Array.from({length:e},function(){return t[Math.floor(Math.random()*t.length)];});else {if(e>t.length)throw new RangeError("Sample size must be less than or equal to array length when sampling without replacement.");n=t.map(function(t){return [t,Math.random()];}).sort(function(t,e){return t[1]<e[1]?-1:1;}).slice(0,e).map(function(t){return t[0];});}return n;},ii=function(){function t(){b()(this,t),this.isTrained=!1,this.isCompiled=!1,this.isLayered=!1,this.model=null,this.init=this.init.bind(this),this.createModel=this.createModel.bind(this),this.addLayer=this.addLayer.bind(this),this.compile=this.compile.bind(this),this.setOptimizerFunction=this.setOptimizerFunction.bind(this),this.train=this.train.bind(this),this.trainInternal=this.trainInternal.bind(this),this.predict=this.predict.bind(this),this.classify=this.classify.bind(this),this.save=this.save.bind(this),this.load=this.load.bind(this),this.init();}return w()(t,[{key:"init",value:function value(){this.createModel();}},{key:"createModel",value:function value(){switch((arguments.length>0&&void 0!==arguments[0]?arguments[0]:"sequential").toLowerCase()){case"sequential":default:return this.model=p.sequential(),this.model;}}},{key:"addLayer",value:function value(t){var e=t||{};this.model.add(e),this.model.layers.length>=2&&(this.isLayered=!0);}},{key:"compile",value:function value(t){this.model.compile(t),this.isCompiled=!0;}},{key:"setOptimizerFunction",value:function value(t,e){return e.call(this,t);}},{key:"train",value:function value(t,e){return C(this.trainInternal(t),e);}},{key:"trainInternal",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o,a,s,u,c;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return r=(n=e).inputs,i=n.outputs,o=n.batchSize,a=n.epochs,s=n.shuffle,u=n.validationSplit,c=n.whileTraining,t.next=6,this.model.fit(r,i,{batchSize:o,epochs:a,shuffle:s,validationSplit:u,callbacks:c});case 6:r.dispose(),i.dispose(),this.isTrained=!0;case 9:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"predictSync",value:function value(t){var e=this,n=p.tidy(function(){return e.model.predict(t);}),r=n.arraySync();return n.dispose(),t.dispose(),r;}},{key:"predict",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return n=p.tidy(function(){return i.model.predict(e);}),t.next=3,n.array();case 3:return r=t.sent,n.dispose(),e.dispose(),t.abrupt("return",r);case 7:case"end":return t.stop();}}},t);}));return function(e){return t.apply(this,arguments);};}()},{key:"classify",value:function(){var t=v()(E.a.mark(function t(e){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.abrupt("return",this.predict(e));case 1:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"classifySync",value:function value(t){return this.predictSync(t);}},{key:"save",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:"function"==typeof e?(r="model",i=e):"string"==typeof e?(r=e,"function"==typeof n&&(i=n)):r="model",this.model.save(p.io.withSaveHandler(function(){var t=v()(E.a.mark(function t(e){return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return o.weightsManifest={modelTopology:e.modelTopology,weightsManifest:[{paths:["./".concat(r,".weights.bin")],weights:e.weightSpecs}]},t.next=3,ne(e.weightData,"".concat(r,".weights.bin"),"application/octet-stream");case 3:return t.next=5,ne(JSON.stringify(o.weightsManifest),"".concat(r,".json"),"text/plain");case 5:i&&i();case 6:case"end":return t.stop();}}},t);}));return function(e){return t.apply(this,arguments);};}()));case 2:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"load",value:function(){var t=v()(E.a.mark(function t(){var e,n,r,i,o,a,s,u,c,l,f,h=arguments;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(e=h.length>0&&void 0!==h[0]?h[0]:null,n=h.length>1?h[1]:void 0,!(e instanceof FileList)){t.next=13;break;}return t.next=5,Promise.all(Array.from(e).map(function(){var t=v()(E.a.mark(function t(e){var n;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(!e.name.includes(".json")||e.name.includes("_meta")){t.next=4;break;}return t.abrupt("return",{name:"model",file:e});case 4:if(!e.name.includes(".json")||!e.name.includes("_meta.json")){t.next=11;break;}return t.next=7,e.text();case 7:return n=t.sent,t.abrupt("return",{name:"metadata",file:n});case 11:if(!e.name.includes(".bin")){t.next=13;break;}return t.abrupt("return",{name:"weights",file:e});case 13:return t.abrupt("return",{name:null,file:null});case 14:case"end":return t.stop();}}},t);}));return function(e){return t.apply(this,arguments);};}()));case 5:return r=t.sent,i=r.find(function(t){return "model"===t.name;}).file,o=r.find(function(t){return "weights"===t.name;}).file,t.next=10,p.loadLayersModel(p.io.browserFiles([i,o]));case 10:this.model=t.sent,t.next=32;break;case 13:if(!(e instanceof Object)){t.next=29;break;}return t.next=16,F.a.get(e.model,{responseType:"text"});case 16:return a=t.sent,s=JSON.stringify(a.data),u=new File([s],"model.json",{type:"application/json"}),t.next=21,F.a.get(e.weights,{responseType:"blob"});case 21:return c=t.sent,l=c.data,f=new File([l],"model.weights.bin",{type:"application/macbinary"}),t.next=26,p.loadLayersModel(p.io.browserFiles([u,f]));case 26:this.model=t.sent,t.next=32;break;case 29:return t.next=31,p.loadLayersModel(e);case 31:this.model=t.sent;case 32:return this.isCompiled=!0,this.isLayered=!0,this.isTrained=!0,n&&n(),t.abrupt("return",this.model);case 37:case"end":return t.stop();}}},t,this);}));return function(){return t.apply(this,arguments);};}()},{key:"dispose",value:function value(){this.model.dispose();}},{key:"mutate",value:function value(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:.1,n=arguments.length>1?arguments[1]:void 0;p.tidy(function(){for(var r=t.model.getWeights(),i=[],o=0;o<r.length;o+=1){for(var a=r[o],s=r[o].shape,u=a.dataSync().slice(),c=0;c<u.length;c+=1){Math.random()<e&&(u[c]=n?n(u[c]):Math.min(Math.max(u[c]+ni(),-1),1));}var l=p.tensor(u,s);i[o]=l;}t.model.setWeights(i);});}},{key:"crossover",value:function value(t){var e=this;return p.tidy(function(){for(var n=e.model.getWeights(),r=t.model.getWeights(),i=[],o=0;o<n.length;o+=1){for(var a=n[o],s=r[o],u=n[o].shape,c=a.dataSync().slice(),l=s.dataSync().slice(),f=0;f<c.length;f+=1){Math.random()<.5&&(c[f]=l[f]);}var h=p.tensor(c,u);i[o]=h;}e.model.setWeights(i);});}}]),t;}();function oi(t,e){var n=Object.keys(t);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);e&&(r=r.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable;})),n.push.apply(n,r);}return n;}function ai(t){for(var e=1;e<arguments.length;e++){var n=null!=arguments[e]?arguments[e]:{};e%2?oi(Object(n),!0).forEach(function(e){d()(t,e,n[e]);}):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(n)):oi(Object(n)).forEach(function(e){Object.defineProperty(t,e,Object.getOwnPropertyDescriptor(n,e));});}return t;}var si=new(function(){function t(e){b()(this,t),this.options=e||{};}return w()(t,[{key:"normalizeValue",value:function value(t,e,n){return (t-e)/(n-e);}},{key:"unnormalizeValue",value:function value(t,e,n){return t*(n-e)+e;}},{key:"getMin",value:function value(t){return t.reduce(function(t,e){return Math.min(t,e);});}},{key:"getMax",value:function value(t){return t.reduce(function(t,e){return Math.max(t,e);});}},{key:"isJsonOrString",value:function value(t){try{JSON.parse(t);}catch(t){return !1;}return !0;}},{key:"zipArrays",value:function value(t,e){return t.length!==e.length?(console.error("arrays do not have the same length"),[]):Or()(new Array(t.length).fill(null)).map(function(n,r){return ai(ai({},t[r]),e[r]);});}},{key:"createLabelsFromArrayValues",value:function value(t,e){var n;return Array.isArray(t)&&(n=t.map(function(t,n){return "".concat(e,"_").concat(n);})),n;}},{key:"formatDataAsObject",value:function value(t,e){var n={};if(Array.isArray(t))return t.forEach(function(t,r){var i=e[r];n[i]=t;}),n;if("object"===S()(t))return n=t;throw new Error("input provided is not supported or does not match your output label specifications");}},{key:"getDataType",value:function value(t){var e=S()(t);return "object"===e&&Array.isArray(t)&&(e="array"),e;}}]),t;}())();function ui(t,e){var n=Object.keys(t);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);e&&(r=r.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable;})),n.push.apply(n,r);}return n;}function ci(t){for(var e=1;e<arguments.length;e++){var n=null!=arguments[e]?arguments[e]:{};e%2?ui(Object(n),!0).forEach(function(e){d()(t,e,n[e]);}):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(n)):ui(Object(n)).forEach(function(e){Object.defineProperty(t,e,Object.getOwnPropertyDescriptor(n,e));});}return t;}var li=function(){function t(){b()(this,t),this.meta={inputUnits:null,outputUnits:null,inputs:{},outputs:{},isNormalized:!1},this.isMetadataReady=!1,this.isWarmedUp=!1,this.data={raw:[]},this.createMetadata=this.createMetadata.bind(this),this.getDataStats=this.getDataStats.bind(this),this.getInputMetaStats=this.getInputMetaStats.bind(this),this.getDataUnits=this.getDataUnits.bind(this),this.getInputMetaUnits=this.getInputMetaUnits.bind(this),this.getDTypesFromData=this.getDTypesFromData.bind(this),this.addData=this.addData.bind(this),this.convertRawToTensors=this.convertRawToTensors.bind(this),this.normalizeDataRaw=this.normalizeDataRaw.bind(this),this.normalizeInputData=this.normalizeInputData.bind(this),this.normalizeArray=this.normalizeArray.bind(this),this.unnormalizeArray=this.unnormalizeArray.bind(this),this.applyOneHotEncodingsToDataRaw=this.applyOneHotEncodingsToDataRaw.bind(this),this.getDataOneHot=this.getDataOneHot.bind(this),this.getInputMetaOneHot=this.getInputMetaOneHot.bind(this),this.createOneHotEncodings=this.createOneHotEncodings.bind(this),this.loadDataFromUrl=this.loadDataFromUrl.bind(this),this.loadJSON=this.loadJSON.bind(this),this.loadCSV=this.loadCSV.bind(this),this.loadBlob=this.loadBlob.bind(this),this.loadData=this.loadData.bind(this),this.saveData=this.saveData.bind(this),this.saveMeta=this.saveMeta.bind(this),this.loadMeta=this.loadMeta.bind(this),this.findEntries=this.findEntries.bind(this),this.formatRawData=this.formatRawData.bind(this),this.csvToJSON=this.csvToJSON.bind(this);}return w()(t,[{key:"createMetadata",value:function value(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;return this.getDTypesFromData(t),this.getDataStats(t),this.getDataOneHot(t),this.getDataUnits(t,e),this.isMetadataReady=!0,ci({},this.meta);}},{key:"getDataStats",value:function value(t){var e=Object.assign({},this.meta),n=this.getInputMetaStats(t,e.inputs,"xs"),r=this.getInputMetaStats(t,e.outputs,"ys");return e.inputs=n,e.outputs=r,this.meta=ci(ci({},this.meta),e),e;}},{key:"getInputMetaStats",value:function value(t,e,n){var r=Object.assign({},e);return Object.keys(r).forEach(function(e){if("string"===r[e].dtype)r[e].min=0,r[e].max=1;else if("number"===r[e].dtype){var i=t.map(function(t){return t[n][e];});r[e].min=si.getMin(i),r[e].max=si.getMax(i);}else if("array"===r[e].dtype){var o=t.map(function(t){return t[n][e];}).flat();r[e].min=si.getMin(o),r[e].max=si.getMax(o);}}),r;}},{key:"getDataUnits",value:function value(t){var e,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=null!==n?n:void 0,i=Object.assign({},this.meta);e=r||[this.getInputMetaUnits(t,i.inputs)].flat();var o=this.getInputMetaUnits(t,i.outputs);return i.inputUnits=e,i.outputUnits=o,this.meta=ci(ci({},this.meta),i),i;}},{key:"getInputMetaUnits",value:function value(t,e){var n=0,r=Object.assign({},e);return Object.entries(r).forEach(function(t){var e=t[1].dtype;if("number"===e)n+=1;else if("string"===e){var r=t[1].uniqueValues.length;n+=r;}else "array"===e&&(n=[]);}),n;}},{key:"getDTypesFromData",value:function value(t){var e=ci(ci({},this.meta),{},{inputs:{},outputs:{}}),n=t[0],r=Object.keys(n.xs),i=Object.keys(n.ys);return r.forEach(function(t){e.inputs[t]={dtype:si.getDataType(n.xs[t])};}),i.forEach(function(t){e.outputs[t]={dtype:si.getDataType(n.ys[t])};}),this.meta=e,e;}},{key:"addData",value:function value(t,e){this.data.raw.push({xs:t,ys:e});}},{key:"convertRawToTensors",value:function value(t){var e=Object.assign({},this.meta),n=t.length;return p.tidy(function(){var r=[],i=[];return t.forEach(function(t){var n=Object.keys(e.inputs).map(function(e){return t.xs[e];}).flat();r.push(n);var o=Object.keys(e.outputs).map(function(e){return t.ys[e];}).flat();i.push(o);}),{inputs:p.tensor(r.flat(),[n].concat(Or()(e.inputUnits))),outputs:p.tensor(i.flat(),[n,e.outputUnits])};});}},{key:"normalizeDataRaw",value:function value(t){var e=Object.assign({},this.meta),n=this.normalizeInputData(t,e.inputs,"xs"),r=this.normalizeInputData(t,e.outputs,"ys");return si.zipArrays(n,r);}},{key:"normalizeInputData",value:function value(t,e,n){var r=this,i=t.length,o=Object.assign({},e),a={};return Object.keys(o).forEach(function(e){var i={min:o[e].min,max:o[e].max},s=t.map(function(t){return t[n][e];});"string"===o[e].dtype?(i.legend=o[e].legend,a[e]=r.normalizeArray(s,i)):"number"===o[e].dtype?a[e]=r.normalizeArray(s,i):"array"===o[e].dtype&&(a[e]=s.map(function(t){return r.normalizeArray(t,i);}));}),Or()(new Array(i).fill(null)).map(function(t,e){var r=d()({},n,{});return Object.keys(o).forEach(function(t){r[n][t]=a[t][e];}),r;});}},{key:"normalizeArray",value:function value(t,e){var n=e.min,r=e.max;if(e.legend)return t.map(function(t){return e.legend[t]?e.legend[t]:t;});if(t.every(function(t){return "number"==typeof t;}))return t.map(function(t){return si.normalizeValue(t,n,r);});throw new Error("error in inputArray of normalizeArray() function");}},{key:"unnormalizeArray",value:function value(t,e){var n=e.min,r=e.max;if(e.legend)return t.map(function(t){var n;return Object.entries(e.legend).forEach(function(e){var r=e[0],i=e[1];t.map(function(t,e){return t===i[e];}).every(function(t){return !0===t;})&&(n=r);}),n;});if(t.every(function(t){return "number"==typeof t;}))return t.map(function(t){return si.unnormalizeValue(t,n,r);});throw new Error("error in inputArray of normalizeArray() function");}},{key:"applyOneHotEncodingsToDataRaw",value:function value(t){var e=Object.assign({},this.meta);return t.map(function(t){var n=ci({},t.xs),r=ci({},t.ys);return Object.keys(e.inputs).forEach(function(r){e.inputs[r].legend&&(n[r]=e.inputs[r].legend[t.xs[r]]);}),Object.keys(e.outputs).forEach(function(n){e.outputs[n].legend&&(r[n]=e.outputs[n].legend[t.ys[n]]);}),{xs:n,ys:r};});}},{key:"getDataOneHot",value:function value(t){var e=Object.assign({},this.meta),n=this.getInputMetaOneHot(t,e.inputs,"xs"),r=this.getInputMetaOneHot(t,e.outputs,"ys");return e.inputs=n,e.outputs=r,this.meta=ci(ci({},this.meta),e),e;}},{key:"getInputMetaOneHot",value:function value(t,e,n){var r=this,i=Object.assign({},e);return Object.entries(i).forEach(function(e){var o=e[0];if("string"===e[1].dtype){var a=Or()(new Set(t.map(function(t){return t[n][o];}))),s=r.createOneHotEncodings(a);i[o]=ci(ci({},i[o]),s);}}),i;}},{key:"createOneHotEncodings",value:function value(t){return p.tidy(function(){var e={uniqueValues:t,legend:{}},n=t,r=n.map(function(t,e){return e;}),i=p.oneHot(p.tensor1d(r,"int32"),n.length).arraySync();return n.forEach(function(t,n){e.legend[t]=i[n];}),e;});}},{key:"loadDataFromUrl",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(t.prev=0,!e.endsWith(".csv")){t.next=7;break;}return t.next=4,this.loadCSV(e,n,r);case 4:i=t.sent,t.next=20;break;case 7:if(!e.endsWith(".json")){t.next=13;break;}return t.next=10,this.loadJSON(e,n,r);case 10:i=t.sent,t.next=20;break;case 13:if(!e.includes("blob")){t.next=19;break;}return t.next=16,this.loadBlob(e,n,r);case 16:i=t.sent,t.next=20;break;case 19:throw new Error("Not a valid data format. Must be csv or json");case 20:return t.abrupt("return",i);case 23:throw t.prev=23,t.t0=t.catch(0),console.error(t.t0),new Error(t.t0);case 27:case"end":return t.stop();}}},t,this,[[0,23]]);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"loadJSON",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a,s;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(t.prev=0,!(e instanceof Object)){t.next=5;break;}i=Object.assign({},e),t.next=10;break;case 5:return t.next=7,F.a.get(e);case 7:o=t.sent,a=o.data,i=a;case 10:return s=this.formatRawData(i,n,r),t.abrupt("return",s);case 14:throw t.prev=14,t.t0=t.catch(0),console.error("error loading json"),new Error(t.t0);case 18:case"end":return t.stop();}}},t,this,[[0,14]]);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"loadCSV",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a,s;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.prev=0,i=p.data.csv(e),t.next=4,i.toArray();case 4:return o=t.sent,a={entries:o},s=this.formatRawData(a,n,r),t.abrupt("return",s);case 10:throw t.prev=10,t.t0=t.catch(0),console.error("error loading csv",t.t0),new Error(t.t0);case 14:case"end":return t.stop();}}},t,this,[[0,10]]);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"loadBlob",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a,s,u,c;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.prev=0,t.next=3,F.a.get(e);case 3:if(i=t.sent,o=i.data,a=o,!si.isJsonOrString(a)){t.next=13;break;}return u=JSON.parse(a),t.next=10,this.loadJSON(u,n,r);case 10:s=t.sent,t.next=17;break;case 13:return c=this.csvToJSON(a),t.next=16,this.loadJSON(c,n,r);case 16:s=t.sent;case 17:return t.abrupt("return",s);case 20:throw t.prev=20,t.t0=t.catch(0),console.log("mmm might be passing in a string or something!",t.t0),new Error(t.t0);case 24:case"end":return t.stop();}}},t,this,[[0,20]]);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"loadData",value:function(){var t=v()(E.a.mark(function t(){var e,n,r,i,o,a,s=arguments;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(e=s.length>0&&void 0!==s[0]?s[0]:null,n=s.length>1?s[1]:void 0,t.prev=2,"string"==typeof e){t.next=17;break;}if(i=e[0],new FileReader().readAsText(i),!i.name.includes(".json")){t.next=14;break;}return t.next=10,i.text();case 10:o=t.sent,r=JSON.parse(o),t.next=15;break;case 14:console.log('data must be a json object containing an array called "data" or "entries');case 15:t.next=22;break;case 17:return t.next=19,F.a.get(e,{responseType:"text"});case 19:r=t.sent,a=JSON.stringify(r.data),si.isJsonOrString(a)?r=JSON.parse(a):console.log("Whoops! something went wrong. Either this kind of data is not supported yet or there is an issue with .loadData");case 22:this.data.raw=this.findEntries(r),!this.data.raw.length>0&&console.log('data must be a json object containing an array called "data" '),n&&n(),t.next=30;break;case 27:throw t.prev=27,t.t0=t.catch(2),new Error(t.t0);case 30:case"end":return t.stop();}}},t,this,[[2,27]]);}));return function(){return t.apply(this,arguments);};}()},{key:"saveData",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o,a,s;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return n=new Date(),r="".concat(String(n.getFullYear()),"-").concat(String(n.getMonth()+1),"-").concat(String(n.getDate())),i="".concat(String(n.getHours()),"-").concat(String(n.getMinutes()),"-").concat(String(n.getSeconds())),o="".concat(r,"_").concat(i),a=o,e&&(a=e),s={data:this.data.raw},t.next=9,ne(JSON.stringify(s),"".concat(a,".json"),"text/plain");case 9:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"saveMeta",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return "function"==typeof e?(r="model",i=e):"string"==typeof e?(r=e,"function"==typeof n&&(i=n)):r="model",t.next=3,ne(JSON.stringify(this.meta),"".concat(r,"_meta.json"),"text/plain");case 3:i&&i();case 4:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"loadMeta",value:function(){var t=v()(E.a.mark(function t(){var e,n,r,i,o,a,s,u=arguments;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(e=u.length>0&&void 0!==u[0]?u[0]:null,n=u.length>1?u[1]:void 0,!(e instanceof FileList)){t.next=10;break;}return t.next=5,Promise.all(Array.from(e).map(function(){var t=v()(E.a.mark(function t(e){var n;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 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22:s=(s=t.sent).data,this.meta=s;case 25:return this.isMetadataReady=!0,this.isWarmedUp=!0,n&&n(),t.abrupt("return",this.meta);case 29:case"end":return t.stop();}}},t,this);}));return function(){return t.apply(this,arguments);};}()},{key:"formatRawData",value:function value(t,e,n){var r=this.findEntries(t);!r.length>0&&console.log("your data must be contained in an array in \n\n        a property called 'entries' or 'data' of your json object");var i=r.map(function(t,r){var i={xs:{},ys:{}};return e.forEach(function(e){void 0!==t[e]?i.xs[e]=t[e]:console.error("the input label ".concat(e," does not exist at row ").concat(r));}),n.forEach(function(e){void 0!==t[e]?i.ys[e]=t[e]:console.error("the output label ".concat(e," does not exist at row ").concat(r));}),i;});return this.data.raw=i,i;}},{key:"csvToJSON",value:function value(t){for(var e=t.split("\n"),n=[],r=e[0].split(","),i=function i(t){var i={},o=e[t].split(",");r.forEach(function(t,e){i[t]=o[e];}),n.push(i);},o=1;o<e.length;o+=1){i(o);}return {entries:n};}},{key:"findEntries",value:function value(t){var e=this,n=Object.assign({},t);return n.entries&&n.entries instanceof Array?n.entries:n.data&&n.data instanceof Array?n.data:(Object.keys(n).forEach(function(t){if("object"===S()(n[t]))return e.findEntries(n[t]);}),n);}},{key:"getData",value:function value(){return this.data.raw;}}]),t;}();function fi(t,e){var n=Object.keys(t);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);e&&(r=r.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable;})),n.push.apply(n,r);}return n;}var hi=function(){function t(){b()(this,t),this.config={height:300};}return w()(t,[{key:"modelSummary",value:function value(t,e){var n=function(t){for(var e=1;e<arguments.length;e++){var n=null!=arguments[e]?arguments[e]:{};e%2?fi(Object(n),!0).forEach(function(e){d()(t,e,n[e]);}):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(n)):fi(Object(n)).forEach(function(e){Object.defineProperty(t,e,Object.getOwnPropertyDescriptor(n,e));});}return t;}({},t);m.show.modelSummary(n,e);}},{key:"scatterplot",value:function value(t,e,n){var r=n.map(function(n){return {x:n.xs[t],y:n.ys[e]};}),i={xLabel:"X",yLabel:"Y",height:this.config.height};m.render.scatterplot({name:"debug mode"},r,i);}},{key:"scatterplotAll",value:function value(t,e,n){var r=[];t.forEach(function(t){e.forEach(function(e){var i=n.map(function(n){return {x:n.xs[t],y:n.ys[e]};});r=[].concat(Or()(r),Or()(i));});});var i={xLabel:"X",yLabel:"Y",height:this.config.height};m.render.scatterplot({name:"debug mode"},r,i);}},{key:"barchart",value:function value(t,e,n){var r=n.map(function(n){return {value:n.xs[t],index:n.ys[e]};}),i={xLabel:"label",yLabel:"value",height:this.config.height};console.log(i);m.render.barchart({name:"Bar chart"},r);}},{key:"trainingVis",value:function value(){return m.show.fitCallbacks({name:"Training Performance"},["loss","accuracy"],{height:this.config.height,callbacks:["onEpochEnd"]});}}]),t;}();function di(t,e){var n=Object.keys(t);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);e&&(r=r.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable;})),n.push.apply(n,r);}return n;}function pi(t){for(var e=1;e<arguments.length;e++){var n=null!=arguments[e]?arguments[e]:{};e%2?di(Object(n),!0).forEach(function(e){d()(t,e,n[e]);}):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(n)):di(Object(n)).forEach(function(e){Object.defineProperty(t,e,Object.getOwnPropertyDescriptor(n,e));});}return t;}var mi={inputs:[],outputs:[],dataUrl:null,modelUrl:null,layers:[],task:null,debug:!1,learningRate:.2,hiddenUnits:16,noTraining:!1},gi=function(){function t(e,n){b()(this,t),this.callback=n,"imageClassification"===e.task&&(mi.learningRate=.02),this.options=pi(pi({},mi),e)||mi,this.neuralNetwork=new ii(),this.neuralNetworkData=new li(),this.neuralNetworkVis=new hi(),this.data={training:[]},this.ready=!1,this.init=this.init.bind(this),this.addData=this.addData.bind(this),this.loadDataFromUrl=this.loadDataFromUrl.bind(this),this.loadDataInternal=this.loadDataInternal.bind(this),this.createMetaData=this.createMetaData.bind(this),this.prepareForTraining=this.prepareForTraining.bind(this),this.normalizeData=this.normalizeData.bind(this),this.normalizeInput=this.normalizeInput.bind(this),this.searchAndFormat=this.searchAndFormat.bind(this),this.formatInputItem=this.formatInputItem.bind(this),this.convertTrainingDataToTensors=this.convertTrainingDataToTensors.bind(this),this.formatInputsForPrediction=this.formatInputsForPrediction.bind(this),this.formatInputsForPredictionAll=this.formatInputsForPredictionAll.bind(this),this.isOneHotEncodedOrNormalized=this.isOneHotEncodedOrNormalized.bind(this),this.train=this.train.bind(this),this.trainInternal=this.trainInternal.bind(this),this.addLayer=this.addLayer.bind(this),this.createNetworkLayers=this.createNetworkLayers.bind(this),this.addDefaultLayers=this.addDefaultLayers.bind(this),this.compile=this.compile.bind(this),this.predict=this.predict.bind(this),this.predictMultiple=this.predictMultiple.bind(this),this.classify=this.classify.bind(this),this.classifyMultiple=this.classifyMultiple.bind(this),this.predictInternal=this.predictInternal.bind(this),this.classifyInternal=this.classifyInternal.bind(this),this.saveData=this.saveData.bind(this),this.loadData=this.loadData.bind(this),this.save=this.save.bind(this),this.load=this.load.bind(this),this.dispose=this.dispose.bind(this),this.mutate=this.mutate.bind(this),this.crossover=this.crossover.bind(this),this.init(this.callback);}return w()(t,[{key:"init",value:function value(t){!0===this.options.noTraining&&this.createLayersNoTraining(),null!==this.options.dataUrl?this.ready=this.loadDataFromUrl(this.options,t):null!==this.options.modelUrl?this.ready=this.load(this.options.modelUrl,t):this.ready=!0;}},{key:"createLayersNoTraining",value:function value(){var t=this.options,e=t.inputs,n=t.outputs;if("classification"===t.task)for(var r=0;r<n.length;r+=1){var i=new Array(e).fill(0);this.addData(i,[n[r]]);}else {var o=new Array(e).fill(0),a=new Array(n).fill(0);this.addData(o,a);}this.neuralNetworkData.createMetadata(this.neuralNetworkData.data.raw),this.addDefaultLayers(this.options.task,this.neuralNetworkData.meta);}},{key:"copy",value:function value(){var e=this,n=new t(this.options);return p.tidy(function(){for(var t=e.neuralNetwork.model.getWeights(),r=[],i=0;i<t.length;i+=1){r[i]=t[i].clone();}return n.neuralNetwork.model.setWeights(r),n;});}},{key:"addData",value:function value(t,e){var n,r,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,o=this.options,a=o.inputs,s=o.outputs;if(null!==i?(n=i.inputLabels,r=i.outputLabels):a.length>0&&s.length>0?(a.every(function(t){return "string"==typeof t;})&&(n=a),s.every(function(t){return "string"==typeof t;})&&(r=s)):"object"===S()(t)&&"object"===S()(e)?(n=Object.keys(t),r=Object.keys(e)):(n=si.createLabelsFromArrayValues(t,"input"),r=si.createLabelsFromArrayValues(e,"output")),!(n instanceof Array))throw new Error("inputLabels must be an array");if(!(r instanceof Array))throw new Error("outputLabels must be an array");var u=this.searchAndFormat(t),c=si.formatDataAsObject(u,n),l=si.formatDataAsObject(e,r);this.neuralNetworkData.addData(c,l);}},{key:"loadDataFromUrl",value:function value(t,e){return C(this.loadDataInternal(t),e);}},{key:"loadDataInternal",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return n=e.dataUrl,r=e.inputs,i=e.outputs,t.next=3,this.neuralNetworkData.loadDataFromUrl(n,r,i);case 3:o=t.sent,this.createMetadata(o),this.prepareForTraining(o);case 6:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"createMetaData",value:function value(t){var e,n=this.options.inputs;Array.isArray(n)&&n.length>0&&(e=n.every(function(t){return "number"==typeof t;})&&n.length>0?n:null),this.neuralNetworkData.createMetadata(t,e);}},{key:"prepareForTraining",value:function value(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,e=null===t?this.neuralNetworkData.data.raw:t,n=this.neuralNetworkData.applyOneHotEncodingsToDataRaw(e);return this.data.training=n,this.neuralNetworkData.isWarmedUp=!0,n;}},{key:"normalizeData",value:function value(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,e=null===t?this.neuralNetworkData.data.raw:t;this.neuralNetworkData.isMetadataReady||this.createMetaData(e),this.neuralNetworkData.isWarmedUp||this.prepareForTraining(e);var n=this.neuralNetworkData.normalizeDataRaw(e);return this.data.training=n,this.neuralNetworkData.meta.isNormalized=!0,n;}},{key:"normalizeInput",value:function value(t,e,n){var r=n[e],i=r.min,o=r.max;return si.normalizeValue(t,i,o);}},{key:"searchAndFormat",value:function value(t){var e,n=this;if(Array.isArray(t))e=t.map(function(t){return n.formatInputItem(t);});else if("object"===S()(t)){var r=Object.assign({},t);Object.keys(t).forEach(function(e){var i=t[e];r[e]=n.formatInputItem(i);}),e=r;}return e;}},{key:"formatInputItem",value:function value(t){var e;return ct(t)?e=t:"object"===S()(t)&&ct(t.elt)?e=t.elt:"object"===S()(t)&&ct(t.canvas)&&(e=t.canvas),e?lt(e):t;}},{key:"convertTrainingDataToTensors",value:function value(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,n=null===t?this.data.training:t,r=null===e?this.neuralNetworkData.meta:e;return this.neuralNetworkData.convertRawToTensors(n,r);}},{key:"formatInputsForPrediction",value:function value(t,e,n){var r=this,i=[];return t instanceof Array?i=n.map(function(n,i){return r.isOneHotEncodedOrNormalized(t[i],n,e.inputs);}):t instanceof Object&&(i=n.map(function(n){return r.isOneHotEncodedOrNormalized(t[n],n,e.inputs);})),i=i.flat();}},{key:"formatInputsForPredictionAll",value:function value(t,e,n){var r,i=this;return t instanceof Array&&t.every(function(t){return Array.isArray(t);})?(r=t.map(function(t){return i.formatInputsForPrediction(t,e,n);}),p.tensor(r,[t.length,n.length])):(r=this.formatInputsForPrediction(t,e,n),p.tensor([r]));}},{key:"isOneHotEncodedOrNormalized",value:function value(t,e,n){var r,i=t,o=e;return "number"!=typeof t?r=n[o].legend[i]:(r=t,this.neuralNetworkData.meta.isNormalized&&(r=this.normalizeInput(t,o,n))),r;}},{key:"train",value:function value(t,e,n){var r,i,o;"object"===S()(t)&&"function"==typeof e&&"function"==typeof n?(r=t,i=e,o=n):"object"===S()(t)&&"function"==typeof e?(r=t,i=null,o=e):"function"==typeof t&&"function"==typeof e?(r={},i=t,o=e):(r={},i=null,o=t),this.trainInternal(r,i,o);}},{key:"trainInternal",value:function value(t,e,n){var r=pi({epochs:10,batchSize:32,validationSplit:.1,whileTraining:null},t);if(!0===this.options.debug||"true"===this.options.debug?r.whileTraining=[this.neuralNetworkVis.trainingVis(),{onEpochEnd:e}]:r.whileTraining=[{onEpochEnd:e}],this.neuralNetworkData.isMetadataReady||this.createMetaData(this.neuralNetworkData.data.raw),this.neuralNetworkData.isWarmedUp||this.prepareForTraining(this.neuralNetworkData.data.raw),!r.inputs&&!r.outputs){var i=this.convertTrainingDataToTensors(),o=i.inputs,a=i.outputs;r.inputs=o,r.outputs=a;}this.neuralNetwork.isLayered||(this.options.layers=this.createNetworkLayers(this.options.layers,this.neuralNetworkData.meta)),this.neuralNetwork.isLayered||(this.options.layers=this.addDefaultLayers(this.options.task,this.neuralNetworkData.meta)),this.neuralNetwork.isCompiled||this.compile(),this.neuralNetwork.train(r,n);}},{key:"addLayer",value:function value(t){this.neuralNetwork.addLayer(t);}},{key:"createNetworkLayers",value:function value(t,e){var n=this,r=Or()(t),i=Object.assign({},e),o=i.inputUnits,a=i.outputUnits,s=r.length;if(!(r.length>=2))return !1;r[0].inputShape=r[0].inputShape?r[0].inputShape:o;var u=r[s-1];return u.units=u.units?u.units:a,r.forEach(function(t){n.addLayer(p.layers[t.type](t));}),r;}},{key:"addDefaultLayers",value:function value(t,e){var n;switch(t.toLowerCase()){case"classification":return n=[{type:"dense",units:this.options.hiddenUnits,activation:"relu"},{type:"dense",activation:"softmax"}],this.createNetworkLayers(n,e);case"regression":return n=[{type:"dense",units:this.options.hiddenUnits,activation:"relu"},{type:"dense",activation:"sigmoid"}],this.createNetworkLayers(n,e);case"imageclassification":return n=[{type:"conv2d",filters:8,kernelSize:5,strides:1,activation:"relu",kernelInitializer:"varianceScaling"},{type:"maxPooling2d",poolSize:[2,2],strides:[2,2]},{type:"conv2d",filters:16,kernelSize:5,strides:1,activation:"relu",kernelInitializer:"varianceScaling"},{type:"maxPooling2d",poolSize:[2,2],strides:[2,2]},{type:"flatten"},{type:"dense",kernelInitializer:"varianceScaling",activation:"softmax"}],this.createNetworkLayers(n,e);default:return console.log("no imputUnits or outputUnits defined"),n=[{type:"dense",units:this.options.hiddenUnits,activation:"relu"},{type:"dense",activation:"sigmoid"}],this.createNetworkLayers(n,e);}}},{key:"compile",value:function 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function(n,r,i){var o=t[n];if(!ki(o,r))throw new Error("expected weightMap["+n+"] to be a Tensor"+r+"D, instead have "+o);return e.push({originalPath:n,paramPath:i||n}),o;};}function ea(t){var e=t;return {extractWeights:function extractWeights(t){var n=e.slice(0,t);return e=e.slice(t),n;},getRemainingWeights:function getRemainingWeights(){return e;}};}function na(t,e){var n=Xo(t,e),r=Qo(t,e);function i(t,e,i,o){return void 0===o&&(o=!1),{conv0:o?n(t,e,3,i+"/conv0"):r(t,e,i+"/conv0"),conv1:r(e,e,i+"/conv1"),conv2:r(e,e,i+"/conv2")};}return {extractDenseBlock3Params:i,extractDenseBlock4Params:function extractDenseBlock4Params(t,e,n,o){void 0===o&&(o=!1);var a=i(t,e,n,o);return {conv0:a.conv0,conv1:a.conv1,conv2:a.conv2,conv3:r(e,e,n+"/conv3")};}};}function ra(t){return function(e){return {filters:t(e+"/filters",4),bias:t(e+"/bias",1)};};}function ia(t,e){var n=ta(t,e),r=ra(n),i=Zo(n);return {extractDenseBlock3Params:function extractDenseBlock3Params(t,e){return void 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r=[],i=ea(t),o=i.extractWeights,a=i.getRemainingWeights,s=Yo(o,r)(e,n,"fc");if(0!==a().length)throw new Error("weights remaing after extract: "+a().length);return {paramMappings:r,params:{fc:s}};}(t,this.getClassifierChannelsIn(),this.getClassifierChannelsOut());},e.prototype.extractParamsFromWeigthMap=function(t){var e=sa(t),n=e.featureExtractorMap,r=e.classifierMap;return this.faceFeatureExtractor.loadFromWeightMap(n),function(t){var e=[],n=ta(t,e),r={fc:function(t){return {weights:n(t+"/weights",2),bias:n(t+"/bias",1)};}("fc")};return Ko(t,e),{params:r,paramMappings:e};}(r);},e.prototype.extractParams=function(t){var e=this.getClassifierChannelsIn(),n=this.getClassifierChannelsOut(),r=n*e+n,i=t.slice(0,t.length-r),o=t.slice(t.length-r);return this.faceFeatureExtractor.extractWeights(i),this.extractClassifierParams(o);},e;}(Vo),ca=["neutral","happy","sad","angry","fearful","disgusted","surprised"],la=function(){function t(t){var e=this;if(7!==t.length)throw new 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va(e);}return t.prototype.draw=function(t){var e=vo(t),n=this.options,r=n.drawLines,i=n.drawPoints,o=n.lineWidth,a=n.lineColor,s=n.pointSize,u=n.pointColor;if(r&&this.faceLandmarks instanceof Qi&&(e.strokeStyle=a,e.lineWidth=o,bi(e,this.faceLandmarks.getJawOutline()),bi(e,this.faceLandmarks.getLeftEyeBrow()),bi(e,this.faceLandmarks.getRightEyeBrow()),bi(e,this.faceLandmarks.getNose()),bi(e,this.faceLandmarks.getLeftEye(),!0),bi(e,this.faceLandmarks.getRightEye(),!0),bi(e,this.faceLandmarks.getMouth(),!0)),i){e.strokeStyle=u,e.fillStyle=u;this.faceLandmarks.positions.forEach(function(t){e.beginPath(),e.arc(t.x,t.y,s,0,2*Math.PI),e.fill();});}},t;}();function ba(t,e){(Array.isArray(e)?e:[e]).forEach(function(e){var n=e instanceof Yi?e:ma(e)?e.landmarks:void 0;if(!n)throw new Error("drawFaceLandmarks - expected faceExpressions to be FaceLandmarks | WithFaceLandmarks<WithFaceDetection<{}>> or array thereof");new ya(n).draw(t);});}function xa(t,e){var 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n=t.call(this,"TinyXception")||this;return n._numMainBlocks=e,n;}return Object(xi.c)(e,t),e.prototype.forwardInput=function(t){var e=this,n=this.params;if(!n)throw new Error("TinyXception - load model before inference");return yi.tidy(function(){var r=qi(t.toBatchTensor(112,!0),[122.782,117.001,104.298]).div(yi.scalar(256)),i=yi.relu(ka(r,n.entry_flow.conv_in,[2,2]));return i=Ea(i=Ea(i,n.entry_flow.reduction_block_0,!1),n.entry_flow.reduction_block_1),Ii(e._numMainBlocks,0,1).forEach(function(t){i=function(t,e){var n=qo(yi.relu(t),e.separable_conv0,[1,1]);return n=qo(yi.relu(n),e.separable_conv1,[1,1]),n=qo(yi.relu(n),e.separable_conv2,[1,1]),n=yi.add(n,t);}(i,n.middle_flow["main_block_"+t]);}),i=Ea(i,n.exit_flow.reduction_block),i=yi.relu(qo(i,n.exit_flow.separable_conv,[1,1]));});},e.prototype.forward=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e;return Object(xi.d)(this,function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Io(t)];case 1:return 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{age:aa(i,n.fc.age).as1D(),gender:aa(i,n.fc.gender)};});},e.prototype.forwardInput=function(t){var e=this;return yi.tidy(function(){var n=e.runNet(t),r=n.age,i=n.gender;return {age:r,gender:yi.softmax(i)};});},e.prototype.forward=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e;return Object(xi.d)(this,function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Io(t)];case 1:return [2,e.apply(this,[n.sent()])];}});});},e.prototype.predictAgeAndGender=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e,n,r,i,o,a,s=this;return Object(xi.d)(this,function(u){switch(u.label){case 0:return [4,Io(t)];case 1:return e=u.sent(),[4,this.forwardInput(e)];case 2:return n=u.sent(),r=yi.unstack(n.age),i=yi.unstack(n.gender),o=r.map(function(t,e){return {ageTensor:t,genderTensor:i[e]};}),[4,Promise.all(o.map(function(t){var e=t.ageTensor,n=t.genderTensor;return Object(xi.b)(s,void 0,void 0,function(){var t,r,i,o,a;return Object(xi.d)(this,function(s){switch(s.label){case 0:return [4,e.data()];case 1:return t=s.sent()[0],[4,n.data()];case 2:return r=s.sent()[0],o=(i=r>.5)?Ca.MALE:Ca.FEMALE,a=i?r:1-r,e.dispose(),n.dispose(),[2,{age:t,gender:o,genderProbability:a}];}});});}))];case 3:return a=u.sent(),n.age.dispose(),n.gender.dispose(),[2,e.isBatchInput?a:a[0]];}});});},e.prototype.getDefaultModelName=function(){return "age_gender_model";},e.prototype.dispose=function(e){void 0===e&&(e=!0),this.faceFeatureExtractor.dispose(e),t.prototype.dispose.call(this,e);},e.prototype.loadClassifierParams=function(t){var e=this.extractClassifierParams(t),n=e.params,r=e.paramMappings;this._params=n,this._paramMappings=r;},e.prototype.extractClassifierParams=function(t){return function(t){var e=[],n=ea(t),r=n.extractWeights,i=n.getRemainingWeights,o=Yo(r,e),a=o(512,1,"fc/age"),s=o(512,2,"fc/gender");if(0!==i().length)throw new Error("weights remaing after extract: "+i().length);return {paramMappings:e,params:{fc:{age:a,gender:s}}};}(t);},e.prototype.extractParamsFromWeigthMap=function(t){var e=sa(t),n=e.featureExtractorMap,r=e.classifierMap;return this.faceFeatureExtractor.loadFromWeightMap(n),function(t){var e=[],n=ta(t,e);function r(t){return {weights:n(t+"/weights",2),bias:n(t+"/bias",1)};}var i={fc:{age:r("fc/age"),gender:r("fc/gender")}};return Ko(t,e),{params:i,paramMappings:e};}(r);},e.prototype.extractParams=function(t){var e=t.slice(0,t.length-1539),n=t.slice(t.length-1539);return this.faceFeatureExtractor.extractWeights(e),this.extractClassifierParams(n);},e;}(Vo),_a=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return Object(xi.c)(e,t),e.prototype.postProcess=function(t,e,n){var r=n.map(function(t){var n=t.width,r=t.height,i=e/Math.max(r,n);return {width:n*i,height:r*i};}),i=r.length;return yi.tidy(function(){var n=function n(t,e){return yi.stack([yi.fill([68],t),yi.fill([68],e)],1).as2D(1,136).as1D();},o=function o(t,e){var n=r[t],i=n.width,o=n.height;return e(i,o)?Math.abs(i-o)/2:0;};return t.mul(yi.fill([i,136],e)).sub(yi.stack(Array.from(Array(i),function(t,e){return n(function(t){return o(t,function(t,e){return t<e;});}(e),function(t){return o(t,function(t,e){return e<t;});}(e));}))).div(yi.stack(Array.from(Array(i),function(t,e){return n(r[e].width,r[e].height);})));});},e.prototype.forwardInput=function(t){var e=this;return yi.tidy(function(){var n=e.runNet(t);return e.postProcess(n,t.inputSize,t.inputDimensions.map(function(t){return {height:t[0],width:t[1]};}));});},e.prototype.forward=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e;return Object(xi.d)(this,function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Io(t)];case 1:return [2,e.apply(this,[n.sent()])];}});});},e.prototype.detectLandmarks=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e,n,r,i=this;return Object(xi.d)(this,function(o){switch(o.label){case 0:return [4,Io(t)];case 1:return e=o.sent(),n=yi.tidy(function(){return yi.unstack(i.forwardInput(e));}),[4,Promise.all(n.map(function(t,n){return Object(xi.b)(i,void 0,void 0,function(){var r,i,o,a,s;return Object(xi.d)(this,function(u){switch(u.label){case 0:return o=(i=Array).from,[4,t.data()];case 1:return r=o.apply(i,[u.sent()]),a=r.filter(function(t,e){return Si(e);}),s=r.filter(function(t,e){return !Si(e);}),[2,new Qi(Array(68).fill(0).map(function(t,e){return new ji(a[e],s[e]);}),{height:e.getInputHeight(n),width:e.getInputWidth(n)})];}});});}))];case 2:return r=o.sent(),n.forEach(function(t){return t.dispose();}),[2,e.isBatchInput?r:r[0]];}});});},e.prototype.getClassifierChannelsOut=function(){return 136;},e;}(ua),Sa=function(t){function e(e){return void 0===e&&(e=new oa()),t.call(this,"FaceLandmark68Net",e)||this;}return Object(xi.c)(e,t),e.prototype.getDefaultModelName=function(){return "face_landmark_68_model";},e.prototype.getClassifierChannelsIn=function(){return 256;},e;}(_a);var Da=function(t){function e(){return t.call(this,"TinyFaceFeatureExtractor")||this;}return Object(xi.c)(e,t),e.prototype.forwardInput=function(t){var e=this.params;if(!e)throw new Error("TinyFaceFeatureExtractor - load model before inference");return yi.tidy(function(){var n=$o(qi(t.toBatchTensor(112,!0),[122.782,117.001,104.298]).div(yi.scalar(255)),e.dense0,!0);return n=$o(n=$o(n,e.dense1),e.dense2),n=yi.avgPool(n,[14,14],[2,2],"valid");});},e.prototype.forward=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e;return Object(xi.d)(this,function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Io(t)];case 1:return [2,e.apply(this,[n.sent()])];}});});},e.prototype.getDefaultModelName=function(){return "face_feature_extractor_tiny_model";},e.prototype.extractParamsFromWeigthMap=function(t){return function(t){var e=[],n=ia(t,e).extractDenseBlock3Params,r={dense0:n("dense0",!0),dense1:n("dense1"),dense2:n("dense2")};return Ko(t,e),{params:r,paramMappings:e};}(t);},e.prototype.extractParams=function(t){return function(t){var e=[],n=ea(t),r=n.extractWeights,i=n.getRemainingWeights,o=na(r,e).extractDenseBlock3Params,a=o(3,32,"dense0",!0),s=o(32,64,"dense1"),u=o(64,128,"dense2");if(0!==i().length)throw new Error("weights remaing after extract: "+i().length);return {paramMappings:e,params:{dense0:a,dense1:s,dense2:u}};}(t);},e;}(Vo),Fa=function(t){function e(e){return void 0===e&&(e=new Da()),t.call(this,"FaceLandmark68TinyNet",e)||this;}return Object(xi.c)(e,t),e.prototype.getDefaultModelName=function(){return "face_landmark_68_tiny_model";},e.prototype.getClassifierChannelsIn=function(){return 128;},e;}(_a),Ta=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return Object(xi.c)(e,t),e;}(Sa);function Na(t,e,n,r,i){void 0===i&&(i="same");var o=e.conv,a=o.filters,s=o.bias,u=yi.conv2d(t,a,n,i);return u=function(t,e){return yi.add(yi.mul(t,e.weights),e.biases);}(u=yi.add(u,s),e.scale),r?yi.relu(u):u;}function Ia(t,e){return Na(t,e,[1,1],!1);}function Ra(t,e){return Na(t,e,[2,2],!0,"valid");}function Ma(t,e){function n(n,r,i,o){var a=function(e,n,r){var i=t(e),o=i.length/(n*r*r);if(_i(o))throw new Error("depth has to be an integer: "+o+", weights.length: "+i.length+", numFilters: "+n+", filterSize: "+r);return yi.tidy(function(){return yi.transpose(yi.tensor4d(i,[n,o,r,r]),[2,3,1,0]);});}(n,r,i),s=yi.tensor1d(t(r));return e.push({paramPath:o+"/filters"},{paramPath:o+"/bias"}),{filters:a,bias:s};}function r(r,i,o,a){return {conv:n(r,i,o,a+"/conv"),scale:function(n,r){var i=yi.tensor1d(t(n)),o=yi.tensor1d(t(n));return e.push({paramPath:r+"/weights"},{paramPath:r+"/biases"}),{weights:i,biases:o};}(i,a+"/scale")};}return {extractConvLayerParams:r,extractResidualLayerParams:function extractResidualLayerParams(t,e,n,i,o){return void 0===o&&(o=!1),{conv1:r((o?.5:1)*t,e,n,i+"/conv1"),conv2:r(t,e,n,i+"/conv2")};}};}function ja(t,e){var n=ta(t,e);function r(t){return {conv:{filters:n(t+"/conv/filters",4),bias:n(t+"/conv/bias",1)},scale:function(t){return {weights:n(t+"/scale/weights",1),biases:n(t+"/scale/biases",1)};}(t)};}return {extractConvLayerParams:r,extractResidualLayerParams:function extractResidualLayerParams(t){return {conv1:r(t+"/conv1"),conv2:r(t+"/conv2")};}};}function Ba(t,e){var n=function(t,e){return Na(t,e,[1,1],!0);}(t,e.conv1);return n=Ia(n,e.conv2),n=yi.add(n,t),n=yi.relu(n);}function Pa(t,e){var n=Ra(t,e.conv1);n=Ia(n,e.conv2);var r=yi.avgPool(t,2,2,"valid"),i=yi.zeros(r.shape),o=r.shape[3]!==n.shape[3];if(r.shape[1]!==n.shape[1]||r.shape[2]!==n.shape[2]){var a=Object(xi.e)(n.shape);a[1]=1;var s=yi.zeros(a);n=yi.concat([n,s],1);var u=Object(xi.e)(n.shape);u[2]=1;var c=yi.zeros(u);n=yi.concat([n,c],2);}return r=o?yi.concat([r,i],3):r,n=yi.add(r,n),n=yi.relu(n);}var La=function(t){function e(){return t.call(this,"FaceRecognitionNet")||this;}return Object(xi.c)(e,t),e.prototype.forwardInput=function(t){var e=this.params;if(!e)throw new Error("FaceRecognitionNet - load model before inference");return yi.tidy(function(){var n=Ra(qi(t.toBatchTensor(150,!0).toFloat(),[122.782,117.001,104.298]).div(yi.scalar(256)),e.conv32_down),r=(n=Pa(n=Ba(n=Ba(n=Pa(n=Ba(n=Ba(n=Pa(n=Ba(n=Ba(n=Ba(n=Pa(n=Ba(n=Ba(n=Ba(n=yi.maxPool(n,3,2,"valid"),e.conv32_1),e.conv32_2),e.conv32_3),e.conv64_down),e.conv64_1),e.conv64_2),e.conv64_3),e.conv128_down),e.conv128_1),e.conv128_2),e.conv256_down),e.conv256_1),e.conv256_2),e.conv256_down_out)).mean([1,2]);return yi.matMul(r,e.fc);});},e.prototype.forward=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e;return Object(xi.d)(this,function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Io(t)];case 1:return [2,e.apply(this,[n.sent()])];}});});},e.prototype.computeFaceDescriptor=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e,n,r,i=this;return Object(xi.d)(this,function(o){switch(o.label){case 0:return [4,Io(t)];case 1:return e=o.sent(),n=yi.tidy(function(){return yi.unstack(i.forwardInput(e));}),[4,Promise.all(n.map(function(t){return t.data();}))];case 2:return r=o.sent(),n.forEach(function(t){return t.dispose();}),[2,e.isBatchInput?r:r[0]];}});});},e.prototype.getDefaultModelName=function(){return "face_recognition_model";},e.prototype.extractParamsFromWeigthMap=function(t){return function(t){var e=[],n=ja(t,e),r=n.extractConvLayerParams,i=n.extractResidualLayerParams,o=r("conv32_down"),a=i("conv32_1"),s=i("conv32_2"),u=i("conv32_3"),c=i("conv64_down"),l=i("conv64_1"),f=i("conv64_2"),h=i("conv64_3"),d=i("conv128_down"),p=i("conv128_1"),m=i("conv128_2"),g=i("conv256_down"),v=i("conv256_1"),y=i("conv256_2"),b=i("conv256_down_out"),x=t.fc;if(e.push({originalPath:"fc",paramPath:"fc"}),!Ci(x))throw new Error("expected weightMap[fc] to be a Tensor2D, instead have "+x);var w={conv32_down:o,conv32_1:a,conv32_2:s,conv32_3:u,conv64_down:c,conv64_1:l,conv64_2:f,conv64_3:h,conv128_down:d,conv128_1:p,conv128_2:m,conv256_down:g,conv256_1:v,conv256_2:y,conv256_down_out:b,fc:x};return Ko(t,e),{params:w,paramMappings:e};}(t);},e.prototype.extractParams=function(t){return function(t){var e=ea(t),n=e.extractWeights,r=e.getRemainingWeights,i=[],o=Ma(n,i),a=o.extractConvLayerParams,s=o.extractResidualLayerParams,u=a(4704,32,7,"conv32_down"),c=s(9216,32,3,"conv32_1"),l=s(9216,32,3,"conv32_2"),f=s(9216,32,3,"conv32_3"),h=s(36864,64,3,"conv64_down",!0),d=s(36864,64,3,"conv64_1"),p=s(36864,64,3,"conv64_2"),m=s(36864,64,3,"conv64_3"),g=s(147456,128,3,"conv128_down",!0),v=s(147456,128,3,"conv128_1"),y=s(147456,128,3,"conv128_2"),b=s(589824,256,3,"conv256_down",!0),x=s(589824,256,3,"conv256_1"),w=s(589824,256,3,"conv256_2"),k=s(589824,256,3,"conv256_down_out"),E=yi.tidy(function(){return yi.transpose(yi.tensor2d(n(32768),[128,256]),[1,0]);});if(i.push({paramPath:"fc"}),0!==r().length)throw new Error("weights remaing after extract: "+r().length);return {params:{conv32_down:u,conv32_1:c,conv32_2:l,conv32_3:f,conv64_down:h,conv64_1:d,conv64_2:p,conv64_3:m,conv128_down:g,conv128_1:v,conv128_2:y,conv256_down:b,conv256_1:x,conv256_2:w,conv256_down_out:k,fc:E},paramMappings:i};}(t);},e;}(Vo);function za(t){var e=new La();return e.extractWeights(t),e;}function Ua(t,e){var n={descriptor:e};return Object.assign({},t,n);}function Wa(t){return "number"==typeof t.age;}function Va(t,e){var n={age:e};return Object.assign({},t,n);}function qa(t){return (t.gender===Ca.MALE||t.gender===Ca.FEMALE)&&Mi(t.genderProbability);}function $a(t,e,n){var r={gender:e,genderProbability:n};return Object.assign({},t,r);}var Ha=function(){function t(t){var e=void 0===t?{}:t,n=e.minFaceSize,r=e.scaleFactor,i=e.maxNumScales,o=e.scoreThresholds,a=e.scaleSteps;if(this._name="MtcnnOptions",this._minFaceSize=n||20,this._scaleFactor=r||.709,this._maxNumScales=i||10,this._scoreThresholds=o||[.6,.7,.7],this._scaleSteps=a,"number"!=typeof this._minFaceSize||this._minFaceSize<0)throw new Error(this._name+" - expected minFaceSize to be a number > 0");if("number"!=typeof this._scaleFactor||this._scaleFactor<=0||this._scaleFactor>=1)throw new Error(this._name+" - expected scaleFactor to be a number between 0 and 1");if("number"!=typeof this._maxNumScales||this._maxNumScales<0)throw new Error(this._name+" - expected maxNumScales to be a number > 0");if(!Array.isArray(this._scoreThresholds)||3!==this._scoreThresholds.length||this._scoreThresholds.some(function(t){return "number"!=typeof t;}))throw new Error(this._name+" - expected scoreThresholds to be an array of numbers of length 3");if(this._scaleSteps&&(!Array.isArray(this._scaleSteps)||this._scaleSteps.some(function(t){return "number"!=typeof t;})))throw new Error(this._name+" - expected scaleSteps to be an array of numbers");}return Object.defineProperty(t.prototype,"minFaceSize",{get:function get(){return this._minFaceSize;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"scaleFactor",{get:function get(){return this._scaleFactor;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"maxNumScales",{get:function get(){return this._maxNumScales;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"scoreThresholds",{get:function get(){return this._scoreThresholds;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"scaleSteps",{get:function get(){return this._scaleSteps;},enumerable:!0,configurable:!0}),t;}();function Ga(t,e){function n(n,r,i,o,a){var s=yi.tensor4d(t(n*r*i*i),[i,i,n,r]),u=yi.tensor1d(t(r));return e.push({paramPath:o+"/filters"},{paramPath:o+"/"+(a?"batch_norm_offset":"bias")}),{filters:s,bias:u};}function r(t,e,r,i){var o=n(t,e,r,i,!0);return {filters:o.filters,batch_norm_offset:o.bias};}function i(n,i,o){return {depthwise_conv:function(n,r){var i=yi.tensor4d(t(9*n),[3,3,n,1]),o=yi.tensor1d(t(n)),a=yi.tensor1d(t(n)),s=yi.tensor1d(t(n)),u=yi.tensor1d(t(n));return e.push({paramPath:r+"/filters"},{paramPath:r+"/batch_norm_scale"},{paramPath:r+"/batch_norm_offset"},{paramPath:r+"/batch_norm_mean"},{paramPath:r+"/batch_norm_variance"}),{filters:i,batch_norm_scale:o,batch_norm_offset:a,batch_norm_mean:s,batch_norm_variance:u};}(n,o+"/depthwise_conv"),pointwise_conv:r(n,i,1,o+"/pointwise_conv")};}return {extractMobilenetV1Params:function extractMobilenetV1Params(){return {conv_0:r(3,32,3,"mobilenetv1/conv_0"),conv_1:i(32,64,"mobilenetv1/conv_1"),conv_2:i(64,128,"mobilenetv1/conv_2"),conv_3:i(128,128,"mobilenetv1/conv_3"),conv_4:i(128,256,"mobilenetv1/conv_4"),conv_5:i(256,256,"mobilenetv1/conv_5"),conv_6:i(256,512,"mobilenetv1/conv_6"),conv_7:i(512,512,"mobilenetv1/conv_7"),conv_8:i(512,512,"mobilenetv1/conv_8"),conv_9:i(512,512,"mobilenetv1/conv_9"),conv_10:i(512,512,"mobilenetv1/conv_10"),conv_11:i(512,512,"mobilenetv1/conv_11"),conv_12:i(512,1024,"mobilenetv1/conv_12"),conv_13:i(1024,1024,"mobilenetv1/conv_13")};},extractPredictionLayerParams:function extractPredictionLayerParams(){return {conv_0:r(1024,256,1,"prediction_layer/conv_0"),conv_1:r(256,512,3,"prediction_layer/conv_1"),conv_2:r(512,128,1,"prediction_layer/conv_2"),conv_3:r(128,256,3,"prediction_layer/conv_3"),conv_4:r(256,128,1,"prediction_layer/conv_4"),conv_5:r(128,256,3,"prediction_layer/conv_5"),conv_6:r(256,64,1,"prediction_layer/conv_6"),conv_7:r(64,128,3,"prediction_layer/conv_7"),box_predictor_0:{box_encoding_predictor:n(512,12,1,"prediction_layer/box_predictor_0/box_encoding_predictor"),class_predictor:n(512,9,1,"prediction_layer/box_predictor_0/class_predictor")},box_predictor_1:{box_encoding_predictor:n(1024,24,1,"prediction_layer/box_predictor_1/box_encoding_predictor"),class_predictor:n(1024,18,1,"prediction_layer/box_predictor_1/class_predictor")},box_predictor_2:{box_encoding_predictor:n(512,24,1,"prediction_layer/box_predictor_2/box_encoding_predictor"),class_predictor:n(512,18,1,"prediction_layer/box_predictor_2/class_predictor")},box_predictor_3:{box_encoding_predictor:n(256,24,1,"prediction_layer/box_predictor_3/box_encoding_predictor"),class_predictor:n(256,18,1,"prediction_layer/box_predictor_3/class_predictor")},box_predictor_4:{box_encoding_predictor:n(256,24,1,"prediction_layer/box_predictor_4/box_encoding_predictor"),class_predictor:n(256,18,1,"prediction_layer/box_predictor_4/class_predictor")},box_predictor_5:{box_encoding_predictor:n(128,24,1,"prediction_layer/box_predictor_5/box_encoding_predictor"),class_predictor:n(128,18,1,"prediction_layer/box_predictor_5/class_predictor")}};}};}function Ka(t){var e=[],n=function(t,e){var n=ta(t,e);function r(t,e,r){return {filters:n(t+"/Conv2d_"+e+"_pointwise/weights",4,r+"/filters"),batch_norm_offset:n(t+"/Conv2d_"+e+"_pointwise/convolution_bn_offset",1,r+"/batch_norm_offset")};}function i(t){var e="mobilenetv1/conv_"+t,i="MobilenetV1/Conv2d_"+t+"_depthwise",o=e+"/depthwise_conv",a=e+"/pointwise_conv";return {depthwise_conv:{filters:n(i+"/depthwise_weights",4,o+"/filters"),batch_norm_scale:n(i+"/BatchNorm/gamma",1,o+"/batch_norm_scale"),batch_norm_offset:n(i+"/BatchNorm/beta",1,o+"/batch_norm_offset"),batch_norm_mean:n(i+"/BatchNorm/moving_mean",1,o+"/batch_norm_mean"),batch_norm_variance:n(i+"/BatchNorm/moving_variance",1,o+"/batch_norm_variance")},pointwise_conv:r("MobilenetV1",t,a)};}function o(t,e){return {filters:n(t+"/weights",4,e+"/filters"),bias:n(t+"/biases",1,e+"/bias")};}function a(t){return 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{conv_0:r("Prediction",0,"prediction_layer/conv_0"),conv_1:r("Prediction",1,"prediction_layer/conv_1"),conv_2:r("Prediction",2,"prediction_layer/conv_2"),conv_3:r("Prediction",3,"prediction_layer/conv_3"),conv_4:r("Prediction",4,"prediction_layer/conv_4"),conv_5:r("Prediction",5,"prediction_layer/conv_5"),conv_6:r("Prediction",6,"prediction_layer/conv_6"),conv_7:r("Prediction",7,"prediction_layer/conv_7"),box_predictor_0:a(0),box_predictor_1:a(1),box_predictor_2:a(2),box_predictor_3:a(3),box_predictor_4:a(4),box_predictor_5:a(5)};}};}(t,e),r=n.extractMobilenetV1Params,i=n.extractPredictionLayerParams,o=t["Output/extra_dim"];if(e.push({originalPath:"Output/extra_dim",paramPath:"output_layer/extra_dim"}),!Ai(o))throw new Error("expected weightMap['Output/extra_dim'] to be a Tensor3D, instead have "+o);var a={mobilenetv1:r(),prediction_layer:i(),output_layer:{extra_dim:o}};return Ko(t,e),{params:a,paramMappings:e};}function Xa(t,e,n){return yi.tidy(function(){var r=yi.conv2d(t,e.filters,n,"same");return r=yi.add(r,e.batch_norm_offset),yi.clipByValue(r,0,6);});}var Ya=.0010000000474974513;function Ja(t,e){return yi.tidy(function(){var n=null,r=Xa(t,e.conv_0,[2,2]);if([e.conv_1,e.conv_2,e.conv_3,e.conv_4,e.conv_5,e.conv_6,e.conv_7,e.conv_8,e.conv_9,e.conv_10,e.conv_11,e.conv_12,e.conv_13].forEach(function(t,e){var i=e+1,o=function(t){return [2,4,6,12].some(function(e){return e===t;})?[2,2]:[1,1];}(i);r=Xa(r=function(t,e,n){return yi.tidy(function(){var r=yi.depthwiseConv2d(t,e.filters,n,"same");return r=yi.batchNorm(r,e.batch_norm_mean,e.batch_norm_variance,e.batch_norm_offset,e.batch_norm_scale,Ya),yi.clipByValue(r,0,6);});}(r,t.depthwise_conv,o),t.pointwise_conv,[1,1]),11===i&&(n=r);}),null===n)throw new Error("mobileNetV1 - output of conv layer 11 is null");return {out:r,conv11:n};});}function Qa(t,e,n){var r=t.arraySync(),i=Math.min(r[e][0],r[e][2]),o=Math.min(r[e][1],r[e][3]),a=Math.max(r[e][0],r[e][2]),s=Math.max(r[e][1],r[e][3]),u=Math.min(r[n][0],r[n][2]),c=Math.min(r[n][1],r[n][3]),l=Math.max(r[n][0],r[n][2]),f=Math.max(r[n][1],r[n][3]),h=(a-i)*(s-o),d=(l-u)*(f-c);if(h<=0||d<=0)return 0;var p=Math.max(i,u),m=Math.max(o,c),g=Math.min(a,l),v=Math.min(s,f),y=Math.max(g-p,0)*Math.max(v-m,0);return y/(h+d-y);}function Za(t,e){var n=function(t){var e=yi.unstack(yi.transpose(t,[1,0])),n=[yi.sub(e[2],e[0]),yi.sub(e[3],e[1])];return {sizes:n,centers:[yi.add(e[0],yi.div(n[0],yi.scalar(2))),yi.add(e[1],yi.div(n[1],yi.scalar(2)))]};}(t),r=n.sizes,i=n.centers,o=yi.unstack(yi.transpose(e,[1,0])),a=yi.div(yi.mul(yi.exp(yi.div(o[2],yi.scalar(5))),r[0]),yi.scalar(2)),s=yi.add(yi.mul(yi.div(o[0],yi.scalar(10)),r[0]),i[0]),u=yi.div(yi.mul(yi.exp(yi.div(o[3],yi.scalar(5))),r[1]),yi.scalar(2)),c=yi.add(yi.mul(yi.div(o[1],yi.scalar(10)),r[1]),i[1]);return yi.transpose(yi.stack([yi.sub(s,a),yi.sub(c,u),yi.add(s,a),yi.add(c,u)]),[1,0]);}function ts(t,e){return yi.tidy(function(){var n=t.shape[0];return {boxPredictionEncoding:yi.reshape(Go(t,e.box_encoding_predictor),[n,-1,1,4]),classPrediction:yi.reshape(Go(t,e.class_predictor),[n,-1,3])};});}var es=function(){function t(t){var e=void 0===t?{}:t,n=e.minConfidence,r=e.maxResults;if(this._name="SsdMobilenetv1Options",this._minConfidence=n||.5,this._maxResults=r||100,"number"!=typeof this._minConfidence||this._minConfidence<=0||this._minConfidence>=1)throw new Error(this._name+" - expected minConfidence to be a number between 0 and 1");if("number"!=typeof this._maxResults)throw new Error(this._name+" - expected maxResults to be a number");}return Object.defineProperty(t.prototype,"minConfidence",{get:function get(){return this._minConfidence;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"maxResults",{get:function get(){return 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{boxPredictions:yi.concat([s.boxPredictionEncoding,u.boxPredictionEncoding,c.boxPredictionEncoding,l.boxPredictionEncoding,f.boxPredictionEncoding,h.boxPredictionEncoding],1),classPredictions:yi.concat([s.classPrediction,u.classPrediction,c.classPrediction,l.classPrediction,f.classPrediction,h.classPrediction],1)};});}(r.out,r.conv11,e.prediction_layer);return function(t,e,n){return yi.tidy(function(){var r=t.shape[0],i=Za(yi.reshape(yi.tile(n.extra_dim,[r,1,1]),[-1,4]),yi.reshape(t,[-1,4]));i=yi.reshape(i,[r,i.shape[0]/r,4]);var o=yi.sigmoid(yi.slice(e,[0,0,1],[-1,-1,-1])),a=yi.slice(o,[0,0,0],[-1,-1,1]);return a=yi.reshape(a,[r,a.shape[1]]),{boxes:yi.unstack(i),scores:yi.unstack(a)};});}(i.boxPredictions,i.classPredictions,e.output_layer);});},e.prototype.forward=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e;return Object(xi.d)(this,function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Io(t)];case 1:return [2,e.apply(this,[n.sent()])];}});});},e.prototype.locateFaces=function(t,e){return void 0===e&&(e={}),Object(xi.b)(this,void 0,void 0,function(){var n,r,i,o,a,s,u,c,l,f,h,d,p,m,g,v,y,b,x,w;return Object(xi.d)(this,function(k){switch(k.label){case 0:return n=new es(e),r=n.maxResults,i=n.minConfidence,[4,Io(t)];case 1:for(o=k.sent(),a=this.forwardInput(o),s=a.boxes,u=a.scores,c=s[0],l=u[0],f=1;f<s.length;f++){s[f].dispose(),u[f].dispose();}return p=(d=Array).from,[4,l.data()];case 2:return h=p.apply(d,[k.sent()]),m=function(t,e,n,r,i){var o=t.shape[0],a=Math.min(n,o),s=function s(t){return t<=r?1:0;},u=[];return e.map(function(t,e){return {score:t,boxIndex:e};}).filter(function(t){return t.score>i;}).sort(function(t,e){return e.score-t.score;}).forEach(function(e){if(!(u.length>=a)){for(var n=e.score,r=u.length-1;r>=0;--r){var 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e=[],n=ea(t),r=n.extractWeights,i=n.getRemainingWeights,o=Ga(r,e),a=o.extractMobilenetV1Params,s=o.extractPredictionLayerParams,u=a(),c=s(),l={extra_dim:yi.tensor3d(r(20472),[1,5118,4])};if(e.push({paramPath:"output_layer/extra_dim"}),0!==i().length)throw new Error("weights remaing after extract: "+i().length);return {params:{mobilenetv1:u,prediction_layer:c,output_layer:l},paramMappings:e};}(t);},e;}(Vo);function rs(t){var e=new ns();return e.extractWeights(t),e;}function is(t){return rs(t);}var os,as=function(t){function e(){return null!==t&&t.apply(this,arguments)||this;}return Object(xi.c)(e,t),e;}(ns),ss=.4,us=[new ji(.738768,.874946),new ji(2.42204,2.65704),new ji(4.30971,7.04493),new ji(10.246,4.59428),new ji(12.6868,11.8741)],cs=[new ji(1.603231,2.094468),new ji(6.041143,7.080126),new ji(2.882459,3.518061),new ji(4.266906,5.178857),new ji(9.041765,10.66308)],ls=[117.001,114.697,97.404],fs=function fs(t){return "number"==typeof t;};function hs(t){if(!t)throw new Error("invalid 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ds(t){return yi.tidy(function(){var e=yi.mul(t,yi.scalar(.10000000149011612));return yi.add(yi.relu(yi.sub(t,e)),e);});}function ps(t,e){return yi.tidy(function(){var n=yi.pad(t,[[0,0],[1,1],[1,1],[0,0]]);return n=yi.conv2d(n,e.conv.filters,[1,1],"valid"),n=yi.sub(n,e.bn.sub),n=yi.mul(n,e.bn.truediv),ds(n=yi.add(n,e.conv.bias));});}function ms(t,e){return yi.tidy(function(){var n=yi.pad(t,[[0,0],[1,1],[1,1],[0,0]]);return n=yi.separableConv2d(n,e.depthwise_filter,e.pointwise_filter,[1,1],"valid"),ds(n=yi.add(n,e.bias));});}function gs(t,e){var n=Xo(t,e);var r=Qo(t,e);return {extractConvParams:n,extractConvWithBatchNormParams:function extractConvWithBatchNormParams(r,i,o){return {conv:n(r,i,3,o+"/conv"),bn:function(n,r){var i=yi.tensor1d(t(n)),o=yi.tensor1d(t(n));return e.push({paramPath:r+"/sub"},{paramPath:r+"/truediv"}),{sub:i,truediv:o};}(i,o+"/bn")};},extractSeparableConvParams:r};}function vs(t,e){var n=ta(t,e);function r(t){return {filters:n(t+"/filters",4),bias:n(t+"/bias",1)};}return {extractConvParams:r,extractConvWithBatchNormParams:function extractConvWithBatchNormParams(t){return {conv:r(t+"/conv"),bn:function(t){return {sub:n(t+"/sub",1),truediv:n(t+"/truediv",1)};}(t+"/bn")};},extractSeparableConvParams:Zo(n)};}!function(t){t[t.XS=224]="XS",t[t.SM=320]="SM",t[t.MD=416]="MD",t[t.LG=608]="LG";}(os||(os={}));var ys=function(){function t(t){var e=void 0===t?{}:t,n=e.inputSize,r=e.scoreThreshold;if(this._name="TinyYolov2Options",this._inputSize=n||416,this._scoreThreshold=r||.5,"number"!=typeof this._inputSize||this._inputSize%32!=0)throw new Error(this._name+" - expected inputSize to be a number divisible by 32");if("number"!=typeof this._scoreThreshold||this._scoreThreshold<=0||this._scoreThreshold>=1)throw new Error(this._name+" - expected scoreThreshold to be a number between 0 and 1");}return Object.defineProperty(t.prototype,"inputSize",{get:function get(){return this._inputSize;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"scoreThreshold",{get:function get(){return this._scoreThreshold;},enumerable:!0,configurable:!0}),t;}(),bs=function(t){function e(e){var n=t.call(this,"TinyYolov2")||this;return hs(e),n._config=e,n;}return Object(xi.c)(e,t),Object.defineProperty(e.prototype,"config",{get:function get(){return this._config;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"withClassScores",{get:function get(){return this.config.withClassScores||this.config.classes.length>1;},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"boxEncodingSize",{get:function get(){return 5+(this.withClassScores?this.config.classes.length:0);},enumerable:!0,configurable:!0}),e.prototype.runTinyYolov2=function(t,e){var n=ps(t,e.conv0);return n=ps(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv1),n=ps(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv2),n=ps(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv3),n=ps(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv4),n=ps(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv5),Go(n=ps(n=ps(n=yi.maxPool(n,[2,2],[1,1],"same"),e.conv6),e.conv7),e.conv8,"valid",!1);},e.prototype.runMobilenet=function(t,e){var n=this.config.isFirstLayerConv2d?ds(Go(t,e.conv0,"valid",!1)):ms(t,e.conv0);return n=ms(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv1),n=ms(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv2),n=ms(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv3),n=ms(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv4),n=ms(n=yi.maxPool(n,[2,2],[2,2],"same"),e.conv5),n=yi.maxPool(n,[2,2],[1,1],"same"),n=e.conv6?ms(n,e.conv6):n,Go(n=e.conv7?ms(n,e.conv7):n,e.conv8,"valid",!1);},e.prototype.forwardInput=function(t,e){var n=this,r=this.params;if(!r)throw new Error("TinyYolov2 - load model before inference");return yi.tidy(function(){var i=t.toBatchTensor(e,!1).toFloat();return i=(i=n.config.meanRgb?qi(i,n.config.meanRgb):i).div(yi.scalar(256)),n.config.withSeparableConvs?n.runMobilenet(i,r):n.runTinyYolov2(i,r);});},e.prototype.forward=function(t,e){return Object(xi.b)(this,void 0,void 0,function(){var n;return Object(xi.d)(this,function(r){switch(r.label){case 0:return n=this.forwardInput,[4,Io(t)];case 1:return [4,n.apply(this,[r.sent(),e])];case 2:return [2,r.sent()];}});});},e.prototype.detect=function(t,e){return void 0===e&&(e={}),Object(xi.b)(this,void 0,void 0,function(){var n,r,i,o,a,s,u,c,l,f,h,d,p,m=this;return Object(xi.d)(this,function(g){switch(g.label){case 0:return n=new ys(e),r=n.inputSize,i=n.scoreThreshold,[4,Io(t)];case 1:return o=g.sent(),[4,this.forwardInput(o,r)];case 2:return a=g.sent(),s=yi.tidy(function(){return yi.unstack(a)[0].expandDims();}),u={width:o.getInputWidth(0),height:o.getInputHeight(0)},[4,this.extractBoxes(s,o.getReshapedInputDimensions(0),i)];case 3:return c=g.sent(),a.dispose(),s.dispose(),l=c.map(function(t){return t.box;}),f=c.map(function(t){return t.score;}),h=c.map(function(t){return t.classScore;}),d=c.map(function(t){return m.config.classes[t.label];}),p=Vi(l.map(function(t){return t.rescale(r);}),f,this.config.iouThreshold,!0),[2,p.map(function(t){return new Li(f[t],h[t],d[t],l[t],u);})];}});});},e.prototype.getDefaultModelName=function(){return "";},e.prototype.extractParamsFromWeigthMap=function(t){return function(t,e){var n,r=[],i=vs(t,r),o=i.extractConvParams,a=i.extractConvWithBatchNormParams,s=i.extractSeparableConvParams;if(e.withSeparableConvs){var u=e.filterSizes&&e.filterSizes.length||9;n={conv0:e.isFirstLayerConv2d?o("conv0"):s("conv0"),conv1:s("conv1"),conv2:s("conv2"),conv3:s("conv3"),conv4:s("conv4"),conv5:s("conv5"),conv6:u>7?s("conv6"):void 0,conv7:u>8?s("conv7"):void 0,conv8:o("conv8")};}else n={conv0:a("conv0"),conv1:a("conv1"),conv2:a("conv2"),conv3:a("conv3"),conv4:a("conv4"),conv5:a("conv5"),conv6:a("conv6"),conv7:a("conv7"),conv8:o("conv8")};return Ko(t,r),{params:n,paramMappings:r};}(t,this.config);},e.prototype.extractParams=function(t){var n=this.config.filterSizes||e.DEFAULT_FILTER_SIZES,r=n?n.length:void 0;if(7!==r&&8!==r&&9!==r)throw new Error("TinyYolov2 - expected 7 | 8 | 9 convolutional filters, but found "+r+" filterSizes in config");return function(t,e,n,r){var i,o=ea(t),a=o.extractWeights,s=o.getRemainingWeights,u=[],c=gs(a,u),l=c.extractConvParams,f=c.extractConvWithBatchNormParams,h=c.extractSeparableConvParams;if(e.withSeparableConvs){var d=r[0],p=r[1],m=r[2],g=r[3],v=r[4],y=r[5],b=r[6],x=r[7],w=r[8];i={conv0:e.isFirstLayerConv2d?l(d,p,3,"conv0"):h(d,p,"conv0"),conv1:h(p,m,"conv1"),conv2:h(m,g,"conv2"),conv3:h(g,v,"conv3"),conv4:h(v,y,"conv4"),conv5:h(y,b,"conv5"),conv6:x?h(b,x,"conv6"):void 0,conv7:w?h(x,w,"conv7"):void 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[e.slice([0,0,0,0],[u,u,c,4]),e.slice([0,0,0,4],[u,u,c,1]),N.withClassScores?yi.softmax(e.slice([0,0,0,5],[u,u,c,N.config.classes.length]),3):yi.scalar(0)];}),f=l[0],h=l[1],d=l[2],p=[],[4,h.array()];case 1:return m=I.sent(),[4,f.array()];case 2:g=I.sent(),v=0,I.label=3;case 3:if(!(v<u))return [3,12];y=0,I.label=4;case 4:if(!(y<u))return [3,11];b=0,I.label=5;case 5:return b<c?(x=Gi(m[v][y][b][0]),!n||x>n?(w=(y+Gi(g[v][y][b][0]))/u*a,k=(v+Gi(g[v][y][b][1]))/u*s,E=Math.exp(g[v][y][b][2])*this.config.anchors[b].x/u*a,C=Math.exp(g[v][y][b][3])*this.config.anchors[b].y/u*s,A=w-E/2,O=k-C/2,_={row:v,col:y,anchor:b},this.withClassScores?[4,this.extractPredictedClass(d,_)]:[3,7]):[3,9]):[3,10];case 6:return T=I.sent(),[3,8];case 7:T={classScore:1,label:0},I.label=8;case 8:D=(S=T).classScore,F=S.label,p.push(Object(xi.a)({box:new Pi(A,O,A+E,O+C),score:x,classScore:x*D,label:F},_)),I.label=9;case 9:return b++,[3,5];case 10:return y++,[3,4];case 11:return v++,[3,3];case 12:return f.dispose(),h.dispose(),d.dispose(),[2,p];}});});},e.prototype.extractPredictedClass=function(t,e){return Object(xi.b)(this,void 0,void 0,function(){var n,r,i,o;return Object(xi.d)(this,function(a){switch(a.label){case 0:return n=e.row,r=e.col,i=e.anchor,[4,t.array()];case 1:return o=a.sent(),[2,Array(this.config.classes.length).fill(0).map(function(t,e){return o[n][r][i][e];}).map(function(t,e){return {classScore:t,label:e};}).reduce(function(t,e){return t.classScore>e.classScore?t:e;})];}});});},e.DEFAULT_FILTER_SIZES=[3,16,32,64,128,256,512,1024,1024],e;}(Vo),xs=function(t){function e(e){void 0===e&&(e=!0);var n=Object.assign({},{withSeparableConvs:e,iouThreshold:ss,classes:["face"]},e?{anchors:cs,meanRgb:ls}:{anchors:us,withClassScores:!0});return t.call(this,n)||this;}return Object(xi.c)(e,t),Object.defineProperty(e.prototype,"withSeparableConvs",{get:function get(){return 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Object(xi.c)(e,t),e;}(ys),Es=function(){function t(){}return t.prototype.then=function(t){return Object(xi.b)(this,void 0,void 0,function(){var e;return Object(xi.d)(this,function(n){switch(n.label){case 0:return e=t,[4,this.run()];case 1:return [2,e.apply(void 0,[n.sent()])];}});});},t.prototype.run=function(){return Object(xi.b)(this,void 0,void 0,function(){return Object(xi.d)(this,function(t){throw new Error("ComposableTask - run is not implemented");});});},t;}();function Cs(t,e,n,r,i){return void 0===i&&(i=function i(t){return t.alignedRect;}),Object(xi.b)(this,void 0,void 0,function(){var o,a,s,u,c;return Object(xi.d)(this,function(l){switch(l.label){case 0:return o=t.map(function(t){return ma(t)?i(t):t.detection;}),(s=r)?[3,5]:e instanceof yi.Tensor?[4,Mo(e,o)]:[3,2];case 1:return u=l.sent(),[3,4];case 2:return [4,Ro(e,o)];case 3:u=l.sent(),l.label=4;case 4:s=u,l.label=5;case 5:return [4,n(a=s)];case 6:return c=l.sent(),a.forEach(function(t){return t instanceof yi.Tensor&&t.dispose();}),[2,c];}});});}function As(t,e,n,r,i){return Object(xi.b)(this,void 0,void 0,function(){var o=this;return Object(xi.d)(this,function(a){return [2,Cs([t],e,function(t){return Object(xi.b)(o,void 0,void 0,function(){return Object(xi.d)(this,function(e){return [2,n(t[0])];});});},r,i)];});});}var Os=2,_s=12;function Ss(t){var e=ea(t),n=e.extractWeights,r=e.getRemainingWeights,i=[],o=function(t,e){var n=Xo(t,e),r=Yo(t,e);function i(n,r){var i=yi.tensor1d(t(n));return e.push({paramPath:r}),i;}function o(t,e,r){return void 0===r&&(r=!1),{conv1:n(t[0],t[1],3,e+"/conv1"),prelu1_alpha:i(t[1],e+"/prelu1_alpha"),conv2:n(t[1],t[2],3,e+"/conv2"),prelu2_alpha:i(t[2],e+"/prelu2_alpha"),conv3:n(t[2],t[3],r?2:3,e+"/conv3"),prelu3_alpha:i(t[3],e+"/prelu3_alpha")};}return {extractPNetParams:function extractPNetParams(){var t=o([3,10,16,32],"pnet"),e=n(32,2,1,"pnet/conv4_1"),r=n(32,4,1,"pnet/conv4_2");return Object(xi.a)(Object(xi.a)({},t),{conv4_1:e,conv4_2:r});},extractRNetParams:function extractRNetParams(){var t=o([3,28,48,64],"rnet",!0),e=r(576,128,"rnet/fc1"),n=i(128,"rnet/prelu4_alpha"),a=r(128,2,"rnet/fc2_1"),s=r(128,4,"rnet/fc2_2");return Object(xi.a)(Object(xi.a)({},t),{fc1:e,prelu4_alpha:n,fc2_1:a,fc2_2:s});},extractONetParams:function extractONetParams(){var t=o([3,32,64,64],"onet"),e=n(64,128,2,"onet/conv4"),a=i(128,"onet/prelu4_alpha"),s=r(1152,256,"onet/fc1"),u=i(256,"onet/prelu5_alpha"),c=r(256,2,"onet/fc2_1"),l=r(256,4,"onet/fc2_2"),f=r(256,10,"onet/fc2_3");return Object(xi.a)(Object(xi.a)({},t),{conv4:e,prelu4_alpha:a,fc1:s,prelu5_alpha:u,fc2_1:c,fc2_2:l,fc2_3:f});}};}(n,i),a=o.extractPNetParams,s=o.extractRNetParams,u=o.extractONetParams,c=a(),l=s(),f=u();if(0!==r().length)throw new Error("weights remaing after extract: "+r().length);return {params:{pnet:c,rnet:l,onet:f},paramMappings:i};}function Ds(t){var e=[],n=function(t,e){var n=ta(t,e);function r(t){return {filters:n(t+"/weights",4,t+"/filters"),bias:n(t+"/bias",1)};}function i(t){return {weights:n(t+"/weights",2),bias:n(t+"/bias",1)};}function o(t){return n(t,1);}function a(t){return {conv1:r(t+"/conv1"),prelu1_alpha:o(t+"/prelu1_alpha"),conv2:r(t+"/conv2"),prelu2_alpha:o(t+"/prelu2_alpha"),conv3:r(t+"/conv3"),prelu3_alpha:o(t+"/prelu3_alpha")};}return {extractPNetParams:function extractPNetParams(){var t=a("pnet"),e=r("pnet/conv4_1"),n=r("pnet/conv4_2");return Object(xi.a)(Object(xi.a)({},t),{conv4_1:e,conv4_2:n});},extractRNetParams:function extractRNetParams(){var t=a("rnet"),e=i("rnet/fc1"),n=o("rnet/prelu4_alpha"),r=i("rnet/fc2_1"),s=i("rnet/fc2_2");return Object(xi.a)(Object(xi.a)({},t),{fc1:e,prelu4_alpha:n,fc2_1:r,fc2_2:s});},extractONetParams:function extractONetParams(){var t=a("onet"),e=r("onet/conv4"),n=o("onet/prelu4_alpha"),s=i("onet/fc1"),u=o("onet/prelu5_alpha"),c=i("onet/fc2_1"),l=i("onet/fc2_2"),f=i("onet/fc2_3");return Object(xi.a)(Object(xi.a)({},t),{conv4:e,prelu4_alpha:n,fc1:s,prelu5_alpha:u,fc2_1:c,fc2_2:l,fc2_3:f});}};}(t,e),r=n.extractPNetParams,i=n.extractRNetParams,o=n.extractONetParams,a=r(),s=i(),u=o();return Ko(t,e),{params:{pnet:a,rnet:s,onet:u},paramMappings:e};}function Fs(t,e){var n=e[0],r=e[1];return {height:Math.floor(n*t),width:Math.floor(r*t)};}var Ts=function(t){function e(e,n,r,i){return t.call(this,{left:e,top:n,right:r,bottom:i},!0)||this;}return Object(xi.c)(e,t),e;}(Bi);function Ns(t){return yi.tidy(function(){return yi.mul(yi.sub(t,yi.scalar(127.5)),yi.scalar(.0078125));});}function Is(t,e){return yi.tidy(function(){return yi.add(yi.relu(t),yi.mul(e,yi.neg(yi.relu(yi.neg(t)))));});}function Rs(t,e,n){return void 0===n&&(n=!1),yi.tidy(function(){var r=Go(t,e.conv1,"valid");return r=Is(r,e.prelu1_alpha),r=Is(r=Go(r=yi.maxPool(r,n?[2,2]:[3,3],[2,2],"same"),e.conv2,"valid"),e.prelu2_alpha),r=Is(r=Go(r=n?r:yi.maxPool(r,[3,3],[2,2],"valid"),e.conv3,"valid"),e.prelu3_alpha);});}function Ms(t,e,n,r,i){i.stage1=[];var o=e.map(function(e){return yi.tidy(function(){var n={scale:e},i=function(t,e){return yi.tidy(function(){var n=Fs(e,t.shape.slice(1)),r=n.height,i=n.width,o=Ns(yi.image.resizeBilinear(t,[r,i]));return yi.transpose(o,[0,2,1,3]);});}(t,e),o=Date.now(),a=function(t,e){return yi.tidy(function(){var n=Rs(t,e,!0),r=Go(n,e.conv4_1,"valid"),i=yi.expandDims(yi.max(r,3),3);return {prob:yi.softmax(yi.sub(r,i),3),regions:Go(n,e.conv4_2,"valid")};});}(i,r),s=a.prob,u=a.regions;return n.pnet=Date.now()-o,{scoresTensor:yi.unstack(yi.unstack(s,3)[1])[0],regionsTensor:yi.unstack(u)[0],scale:e,statsForScale:n};});}).map(function(t){var e=t.scoresTensor,r=t.regionsTensor,o=t.scale,a=t.statsForScale,s=function(t,e,n,r){for(var i=[],o=t.arraySync(),a=0;a<t.shape[0];a++){for(var s=0;s<t.shape[1];s++){o[a][s]>=r&&i.push(new ji(s,a));}}return i.map(function(t){var r=new Pi(Math.round((t.y*Os+1)/n),Math.round((t.x*Os+1)/n),Math.round((t.y*Os+_s)/n),Math.round((t.x*Os+_s)/n)),i=o[t.y][t.x],a=e.arraySync();return {cell:r,score:i,region:new Ts(a[t.y][t.x][0],a[t.y][t.x][1],a[t.y][t.x][2],a[t.y][t.x][3])};});}(e,r,o,n);if(e.dispose(),r.dispose(),!s.length)return i.stage1.push(a),[];var u=Date.now(),c=Vi(s.map(function(t){return t.cell;}),s.map(function(t){return t.score;}),.5);return a.nms=Date.now()-u,a.numBoxes=c.length,i.stage1.push(a),c.map(function(t){return s[t];});}).reduce(function(t,e){return t.concat(e);},[]),a=[],s=[];if(o.length>0){var u=Date.now(),c=Vi(o.map(function(t){return t.cell;}),o.map(function(t){return t.score;}),.7);i.stage1_nms=Date.now()-u,s=c.map(function(t){return o[t].score;}),a=c.map(function(t){return o[t];}).map(function(t){var e=t.cell,n=t.region;return new Pi(e.left+n.left*e.width,e.top+n.top*e.height,e.right+n.right*e.width,e.bottom+n.bottom*e.height).toSquare().round();});}return {boxes:a,scores:s};}function js(t,e,n){var r=n.width,i=n.height;return Object(xi.b)(this,void 0,void 0,function(){var n,o,a,s=this;return Object(xi.d)(this,function(u){switch(u.label){case 0:return n=vo(t),[4,Promise.all(e.map(function(e){return Object(xi.b)(s,void 0,void 0,function(){var r,i,o,a,s,u,c,l;return Object(xi.d)(this,function(f){return r=e.padAtBorders(t.height,t.width),i=r.y,o=r.ey,a=r.x,s=r.ex,u=a-1,c=i-1,l=n.getImageData(u,c,s-u,o-c),[2,mo.isNodejs()?So(l):createImageBitmap(l)];});});}))];case 1:return o=u.sent(),a=[],o.forEach(function(t){var e=vo(_o({width:r,height:i}));e.drawImage(t,0,0,r,i);for(var n=e.getImageData(0,0,r,i).data,o=[],s=0;s<n.length;s+=4){o.push(n[s+2]),o.push(n[s+1]),o.push(n[s]);}a.push(o);}),[2,a.map(function(t){return yi.tidy(function(){return 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0===e&&(e={}),Object(xi.b)(this,void 0,void 0,function(){return Object(xi.d)(this,function(n){switch(n.label){case 0:return console.warn("allFacesTinyYolov2 is deprecated and will be removed soon, use the high level api instead"),[4,Nu(t,new ys(e)).withFaceLandmarks().withFaceDescriptors()];case 1:return [2,n.sent()];}});});}function Mu(t,e){return void 0===e&&(e={}),Object(xi.b)(this,void 0,void 0,function(){return Object(xi.d)(this,function(n){switch(n.label){case 0:return console.warn("allFacesMtcnn is deprecated and will be removed soon, use the high level api instead"),[4,Nu(t,new Ha(e)).withFaceLandmarks().withFaceDescriptors()];case 1:return [2,n.sent()];}});});}var ju=Iu;function Bu(t,e){if(t.length!==e.length)throw new Error("euclideanDistance: arr1.length !== arr2.length");var n=Array.from(t),r=Array.from(e);return Math.sqrt(n.map(function(t,e){return t-r[e];}).reduce(function(t,e){return t+Math.pow(e,2);},0));}var Pu=function(){function t(t,e){void 0===e&&(e=.6),this._distanceThreshold=e;var n=Array.isArray(t)?t:[t];if(!n.length)throw new Error("FaceRecognizer.constructor - expected atleast one input");var r=1,i=function i(){return "person "+r++;};this._labeledDescriptors=n.map(function(t){if(t instanceof eo)return t;if(t instanceof Float32Array)return new eo(i(),[t]);if(t.descriptor&&t.descriptor instanceof Float32Array)return new eo(i(),[t.descriptor]);throw new Error("FaceRecognizer.constructor - expected inputs to be of type LabeledFaceDescriptors | WithFaceDescriptor<any> | Float32Array | Array<LabeledFaceDescriptors | WithFaceDescriptor<any> | Float32Array>");});}return Object.defineProperty(t.prototype,"labeledDescriptors",{get:function get(){return this._labeledDescriptors;},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"distanceThreshold",{get:function get(){return this._distanceThreshold;},enumerable:!0,configurable:!0}),t.prototype.computeMeanDistance=function(t,e){return e.map(function(e){return Bu(e,t);}).reduce(function(t,e){return t+e;},0)/(e.length||1);},t.prototype.matchDescriptor=function(t){var e=this;return this.labeledDescriptors.map(function(n){var r=n.descriptors,i=n.label;return new Zi(i,e.computeMeanDistance(t,r));}).reduce(function(t,e){return t.distance<e.distance?t:e;});},t.prototype.findBestMatch=function(t){var e=this.matchDescriptor(t);return e.distance<this.distanceThreshold?e:new Zi("unknown",e.distance);},t.prototype.toJSON=function(){return {distanceThreshold:this.distanceThreshold,labeledDescriptors:this.labeledDescriptors.map(function(t){return t.toJSON();})};},t.fromJSON=function(e){return new t(e.labeledDescriptors.map(function(t){return eo.fromJSON(t);}),e.distanceThreshold);},t;}();function Lu(t){var e=new Ls();return e.extractWeights(t),e;}function zu(t){var e=new Vs();return e.extractWeights(t),e;}function Uu(t,e){var n=new wi(e.width,e.height),r=n.width,i=n.height;if(r<=0||i<=0)throw new Error("resizeResults - invalid dimensions: "+JSON.stringify({width:r,height:i}));if(Array.isArray(t))return t.map(function(t){return Uu(t,{width:r,height:i});});if(ma(t)){var o=t.detection.forSize(r,i),a=t.unshiftedLandmarks.forSize(o.box.width,o.box.height);return ga(io(t,o),a);}return ro(t)?io(t,t.detection.forSize(r,i)):t instanceof Yi||t instanceof zi?t.forSize(r,i):t;}var Wu={withLandmarks:!0,withDescriptors:!0,minConfidence:.5,withTinyNet:!0,MODEL_URLS:{Mobilenetv1Model:"https://raw.githubusercontent.com/ml5js/ml5-data-and-models/main/models/faceapi/ssd_mobilenetv1_model-weights_manifest.json",TinyFaceDetectorModel:"https://raw.githubusercontent.com/ml5js/ml5-data-and-models/main/models/faceapi/tiny_face_detector_model-weights_manifest.json",FaceLandmarkModel:"https://raw.githubusercontent.com/ml5js/ml5-data-and-models/main/models/faceapi/face_landmark_68_model-weights_manifest.json",FaceLandmark68TinyNet:"https://raw.githubusercontent.com/ml5js/ml5-data-and-models/main/models/faceapi/face_landmark_68_tiny_model-weights_manifest.json",FaceRecognitionModel:"https://raw.githubusercontent.com/ml5js/ml5-data-and-models/main/models/faceapi/face_recognition_model-weights_manifest.json"}},Vu=function(){function t(e,n,r){b()(this,t),this.video=e,this.model=null,this.modelReady=!1,this.detectorOptions=null,this.config={minConfidence:this.checkUndefined(n.minConfidence,Wu.minConfidence),withLandmarks:this.checkUndefined(n.withLandmarks,Wu.withLandmarks),withDescriptors:this.checkUndefined(n.withDescriptors,Wu.withDescriptors),withTinyNet:this.checkUndefined(n.withTinyNet,Wu.withTinyNet),MODEL_URLS:{Mobilenetv1Model:this.checkUndefined(n.Mobilenetv1Model,Wu.MODEL_URLS.Mobilenetv1Model),TinyFaceDetectorModel:this.checkUndefined(n.TinyFaceDetectorModel,Wu.MODEL_URLS.TinyFaceDetectorModel),FaceLandmarkModel:this.checkUndefined(n.FaceLandmarkModel,Wu.MODEL_URLS.FaceLandmarkModel),FaceLandmark68TinyNet:this.checkUndefined(n.FaceLandmark68TinyNet,Wu.MODEL_URLS.FaceLandmark68TinyNet),FaceRecognitionModel:this.checkUndefined(n.FaceRecognitionModel,Wu.MODEL_URLS.FaceRecognitionModel)}},this.ready=C(this.loadModel(),r);}return w()(t,[{key:"loadModel",value:function(){var t=v()(E.a.mark(function t(){var e,n,r,i,o,a,s,u=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(e=["Mobilenetv1Model","TinyFaceDetectorModel","FaceLandmarkModel","FaceLandmark68TinyNet","FaceRecognitionModel"],Object.keys(this.config.MODEL_URLS).forEach(function(t){e.includes(t)&&(u.config.MODEL_URLS[t]=Ce.getModelPath(u.config.MODEL_URLS[t]));}),n=this.config.MODEL_URLS,r=n.Mobilenetv1Model,i=n.TinyFaceDetectorModel,o=n.FaceLandmarkModel,a=n.FaceRecognitionModel,s=n.FaceLandmark68TinyNet,this.model=l,!0===this.config.withTinyNet?this.detectorOptions=new ks({minConfidence:this.minConfidence,inputSize:512}):this.detectorOptions=new es({minConfidence:this.minConfidence}),!0!==this.config.withTinyNet){t.next=12;break;}return t.next=8,this.model.loadFaceLandmarkTinyModel(s);case 8:return t.next=10,this.model.loadTinyFaceDetectorModel(i);case 10:t.next=16;break;case 12:return t.next=14,this.model.loadFaceLandmarkModel(o);case 14:return t.next=16,this.model.loadSsdMobilenetv1Model(r);case 16:return t.next=18,this.model.loadFaceRecognitionModel(a);case 18:return this.modelReady=!0,t.abrupt("return",this);case 20:case"end":return t.stop();}}},t,this);}));return function(){return t.apply(this,arguments);};}()},{key:"detect",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(i=this.video,a=this.config,"function"!=typeof e){t.next=7;break;}i=this.video,o=e,t.next=21;break;case 7:if(!(e instanceof HTMLImageElement||e instanceof HTMLCanvasElement||e instanceof HTMLVideoElement||e instanceof ImageData)){t.next=11;break;}i=e,t.next=21;break;case 11:if("object"!==S()(e)||!(e.elt instanceof HTMLImageElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof HTMLVideoElement||e.elt instanceof ImageData)){t.next=15;break;}i=e.elt,t.next=21;break;case 15:if(!("object"===S()(e)&&e.canvas instanceof HTMLCanvasElement)){t.next=19;break;}i=e.canvas,t.next=21;break;case 19:if(this.video instanceof HTMLVideoElement){t.next=21;break;}throw new Error("No input image provided. If you want to classify a video, pass the video element in the constructor. ");case 21:return "object"===S()(n)?a=n:"function"==typeof n&&(o=n),"function"==typeof r&&(o=r),t.abrupt("return",C(this.detectInternal(i,a),o));case 24:case"end":return t.stop();}}},t,this);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"detectInternal",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o,a,s=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return t.next=4,p.nextFrame();case 4:if(!this.video||0!==this.video.readyState){t.next=7;break;}return t.next=7,new Promise(function(t){s.video.onloadeddata=function(){return t();};});case 7:if(this.config=this.setReturnOptions(n),r=this.config,i=r.withLandmarks,o=r.withDescriptors,!i){t.next=21;break;}if(!o){t.next=16;break;}return t.next=13,this.model.detectAllFaces(e,this.detectorOptions).withFaceLandmarks(this.config.withTinyNet).withFaceDescriptors();case 13:a=t.sent,t.next=19;break;case 16:return t.next=18,this.model.detectAllFaces(e,this.detectorOptions).withFaceLandmarks(this.config.withTinyNet);case 18:a=t.sent;case 19:t.next=30;break;case 21:if(i){t.next=27;break;}return t.next=24,this.model.detectAllFaces(e);case 24:a=t.sent,t.next=30;break;case 27:return t.next=29,this.model.detectAllFaces(e,this.detectorOptions).withFaceLandmarks(this.config.withTinyNet).withFaceDescriptors();case 29:a=t.sent;case 30:return a=this.resizeResults(a,e.width,e.height),a=this.landmarkParts(a),t.abrupt("return",a);case 33:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"detectSingle",value:function(){var t=v()(E.a.mark(function t(e,n,r){var i,o,a;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(i=this.video,a=this.config,"function"!=typeof e){t.next=7;break;}i=this.video,o=e,t.next=21;break;case 7:if(!(e instanceof HTMLImageElement||e instanceof HTMLCanvasElement||e instanceof HTMLVideoElement||e instanceof ImageData)){t.next=11;break;}i=e,t.next=21;break;case 11:if("object"!==S()(e)||!(e.elt instanceof HTMLImageElement||e.elt instanceof HTMLCanvasElement||e.elt instanceof HTMLVideoElement||e.elt instanceof ImageData)){t.next=15;break;}i=e.elt,t.next=21;break;case 15:if(!("object"===S()(e)&&e.canvas instanceof HTMLCanvasElement)){t.next=19;break;}i=e.canvas,t.next=21;break;case 19:if(this.video instanceof HTMLVideoElement){t.next=21;break;}throw new Error("No input image provided. If you want to classify a video, pass the video element in the constructor. ");case 21:return "object"===S()(n)?a=n:"function"==typeof n&&(o=n),"function"==typeof r&&(o=r),t.abrupt("return",C(this.detectSingleInternal(i,a),o));case 24:case"end":return t.stop();}}},t,this);}));return function(e,n,r){return t.apply(this,arguments);};}()},{key:"detectSingleInternal",value:function(){var t=v()(E.a.mark(function t(e,n){var r,i,o,a,s=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return t.next=4,p.nextFrame();case 4:if(!this.video||0!==this.video.readyState){t.next=7;break;}return t.next=7,new Promise(function(t){s.video.onloadeddata=function(){return t();};});case 7:if(this.config=this.setReturnOptions(n),r=this.config,i=r.withLandmarks,o=r.withDescriptors,!i){t.next=21;break;}if(!o){t.next=16;break;}return t.next=13,this.model.detectSingleFace(e,this.detectorOptions).withFaceLandmarks(this.config.withTinyNet).withFaceDescriptor();case 13:a=t.sent,t.next=19;break;case 16:return t.next=18,this.model.detectSingleFace(e,this.detectorOptions).withFaceLandmarks(this.config.withTinyNet);case 18:a=t.sent;case 19:t.next=30;break;case 21:if(i){t.next=27;break;}return t.next=24,this.model.detectSingleFace(e);case 24:a=t.sent,t.next=30;break;case 27:return t.next=29,this.model.detectSingleFace(e,this.detectorOptions).withFaceLandmarks(this.config.withTinyNet).withFaceDescriptor();case 29:a=t.sent;case 30:return a=this.resizeResults(a,e.width,e.height),a=this.landmarkParts(a),t.abrupt("return",a);case 33:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"checkUndefined",value:function value(t,e){return void 0!==t?t:e;}},{key:"setReturnOptions",value:function value(t){var e=this,n=Object.assign({},this.config);return ["withLandmarks","withDescriptors"].forEach(function(r){void 0!==t[r]?e.config[r]=t[r]:n[r]=e.config[r];}),n;}},{key:"resizeResults",value:function value(t,e,n){if(void 0===e||void 0===n)throw new Error("width and height must be defined");return this.model.resizeResults(t,{width:e,height:n});}},{key:"landmarkParts",value:function value(t){var e;if(!0===Array.isArray(t))e=t.map(function(t){var e=Object.assign({},t);if(e.landmarks){var n=e.landmarks;e.parts={mouth:n.getMouth(),nose:n.getNose(),leftEye:n.getLeftEye(),leftEyeBrow:n.getLeftEyeBrow(),rightEye:n.getRightEye(),rightEyeBrow:n.getRightEyeBrow(),jawOutline:n.getJawOutline()};}else e.parts={mouth:[],nose:[],leftEye:[],leftEyeBrow:[],rightEye:[],rightEyeBrow:[],jawOutline:[]};return e;});else if((e=Object.assign({},t)).landmarks){var n=t.landmarks;e.parts={mouth:n.getMouth(),nose:n.getNose(),leftEye:n.getLeftEye(),leftEyeBrow:n.getLeftEyeBrow(),rightEye:n.getRightEye(),rightEyeBrow:n.getRightEyeBrow()};}else e.parts={mouth:[],nose:[],leftEye:[],leftEyeBrow:[],rightEye:[],rightEyeBrow:[]};return e;}}]),t;}(),qu=function qu(t,e,n){var r,i={},o=n;t instanceof HTMLVideoElement?r=t:"object"===S()(t)&&t.elt instanceof HTMLVideoElement?r=t.elt:"object"===S()(t)?i=t:"function"==typeof t&&(o=t),"object"===S()(e)?(i=e,console.log(i)):"function"==typeof e&&(o=e);var a=new Vu(r,i,o);return o?a:a.ready;},$u={k:3,maxIter:5,threshold:.5};function Hu(t){return Gu.apply(this,arguments);}function Gu(){return (Gu=v()(E.a.mark(function t(e){var n,r;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return n=p.data.csv(e),t.next=3,n.toArray();case 3:return r=t.sent,t.abrupt("return",r);case 5:case"end":return t.stop();}}},t);}))).apply(this,arguments);}function Ku(t){return Xu.apply(this,arguments);}function Xu(){return (Xu=v()(E.a.mark(function t(e){var n,r;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if("string"!=typeof e){t.next=6;break;}return t.next=3,Hu(e);case 3:n=t.sent,t.next=7;break;case 6:n=e;case 7:return r=n.map(function(t){return Object.values(t);}),t.abrupt("return",r);case 9:case"end":return t.stop();}}},t);}))).apply(this,arguments);}var Yu=function(){function t(e,n,r){b()(this,t),this.config={k:n.k||$u.k,maxIter:n.maxIter||$u.maxIter,threshold:n.threshold||$u.threshold},this.ready=C(this.load(e),r);}return w()(t,[{key:"load",value:function(){var t=v()(E.a.mark(function t(e){var n=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,Ku(e);case 2:return this.dataset=t.sent,p.tidy(function(){n.dataTensor=p.tensor2d(n.dataset),n.dataset.forEach(function(t){var e=p.tensor1d(Object.values(t));t.tensor=e;}),n.centroids=p.tensor2d(ri(n.dataset,n.config.k,!1)),n.fit();}),t.abrupt("return",this);case 5:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"fit",value:function value(){this.getClosestCentroids(),this.recenterCentroids();for(var e=t.getEuclidianDistance(this.centroids,this.centroidsOld),n=0;e>this.config.threshold&&n<this.config.maxIter;){this.getClosestCentroids(),this.recenterCentroids(),e=t.getEuclidianDistance(this.centroids,this.centroidsOld),n+=1;}}},{key:"getClosestCentroids",value:function value(){var t=this;this.dataset.forEach(function(e){var n=t.closestCentroid(e.tensor);e.centroid=n;});}},{key:"closestCentroid",value:function value(t){var e=this;return p.tidy(function(){return e.centroids.squaredDifference(t).sum(1).sqrt().argMin().arraySync();});}},{key:"classify",value:function value(t){var e=this;return p.tidy(function(){var n=p.tensor1d(Object.values(t));return e.closestCentroid(n);});}},{key:"recenterCentroids",value:function value(){var t=this,e=p.tidy(function(){return t.centroidsOld=t.centroids,p.stack(t.centroids.unstack().map(function(e,n){var r=t.dataset.filter(function(t){return t.centroid===n;}).map(function(t){return t.tensor;});return 0===r.length?e:1===r.length?r[0]:p.tidy(function(){return p.stack(r).mean(0);});}));});this.centroids=e;}}],[{key:"getEuclidianDistance",value:function value(t,e){return p.tidy(function(){return p.squaredDifference(t,e).sum().sqrt().dataSync();})[0];}}]),t;}(),Ju=function Ju(t,e,n){return new Yu(t,e,n);};function Qu(t){return Zu.apply(this,arguments);}function Zu(){return (Zu=v()(E.a.mark(function t(e){var n,r;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return n=p.data.csv(e),t.next=3,n.toArray();case 3:return r=t.sent,t.abrupt("return",r);case 5:case"end":return t.stop();}}},t);}))).apply(this,arguments);}function tc(t){return ec.apply(this,arguments);}function ec(){return (ec=v()(E.a.mark(function t(e){var n,r;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if("string"!=typeof e){t.next=6;break;}return t.next=3,Qu(e);case 3:n=t.sent,t.next=7;break;case 6:n=e;case 7:return r=n.map(function(t){return Object.values(t);}),t.abrupt("return",r);case 9:case"end":return t.stop();}}},t);}))).apply(this,arguments);}var nc={eps:50,minPts:3},rc=function(){function t(e,n,r){b()(this,t),this.config={eps:n.eps||nc.eps,minPts:n.minPts||nc.minPts},this.lastClusterId=0,this.status=[],this.ready=C(this.load(e),r);}return w()(t,[{key:"load",value:function(){var t=v()(E.a.mark(function t(e){var n=this;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,tc(e);case 2:return this.dataset=t.sent,p.tidy(function(){n.dataTensor=p.tensor2d(n.dataset),n.dataset.forEach(function(t){var e=p.tensor1d(Object.values(t));t.tensor=e;}),n.fit();}),t.abrupt("return",this);case 5:case"end":return t.stop();}}},t,this);}));return function(e){return t.apply(this,arguments);};}()},{key:"fit",value:function value(){var t=this;this.dataset.forEach(function(e,n){if(void 0===e.status){e.status=0;var r=t.getNeighboursIndices(e);r.length<t.config.minPts?e.status=0:(t.incrementClusterId(),t.extend(n,r));}});}},{key:"extend",value:function value(t,e){var n=this;this.dataset[t].clusterid=this.getClusterId(),this.dataset[t].status=this.dataset[t].clusterid,e.forEach(function(e){if(void 0===n.dataset[e].status){n.dataset[e].status=0;var r=n.getNeighboursIndices(n.dataset[e]);r.length>=n.config.minPts&&n.extend(e,r);}n.dataset[e].status<1&&(n.dataset[e].status=n.dataset[t].clusterid,n.dataset[e].clusterid=n.dataset[t].clusterid);});}},{key:"getClusterId",value:function value(){return this.lastClusterId;}},{key:"incrementClusterId",value:function value(){this.lastClusterId+=1;}},{key:"getNeighboursIndices",value:function value(t){var e=this;try{return p.tidy(function(){var n=p.squaredDifference(t.tensor,e.dataTensor).sum(1).sqrt().topk(e.dataTensor.shape[0],!0),r=n.values,i=n.indices;return p.stack([r.asType("float32"),i.asType("float32")],1).arraySync().filter(function(t){return t[0]<=e.config.eps;}).reduce(function(t,e){return t.push(e[1]),t;},[]);})||[];}catch(t){console.log("error ".concat(t));}return 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E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:if(i=n,!ct(e)){t.next=5;break;}r=e,t.next=19;break;case 5:if("object"!==S()(e)||!ct(e.elt)){t.next=9;break;}r=e.elt,t.next=19;break;case 9:if("object"!==S()(e)||!ct(e.canvas)){t.next=13;break;}r=e.canvas,t.next=19;break;case 13:if("function"!=typeof e){t.next=18;break;}r=this.video,i=e,t.next=19;break;case 18:throw new Error("Detection subject not supported");case 19:return t.abrupt("return",C(this.generateInternal(r),i));case 20:case"end":return t.stop();}}},t,this);}));return function(e,n){return t.apply(this,arguments);};}()},{key:"generateInternal",value:function(){var t=v()(E.a.mark(function t(e){var n,r,i,o;return E.a.wrap(function(t){for(;;){switch(t.prev=t.next){case 0:return t.next=2,this.ready;case 2:return t.next=4,p.nextFrame();case 4:if(256===(n=p.browser.fromPixels(e).resizeBilinear([256,256])).shape[0]&&256===n.shape[1]){t.next=9;break;}throw new Error("Input size should be ".concat(256,"*").concat(256," but 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zc(t,e,n,r,i,o){_classCallCheck(this,zc);this.regionsOfInterest=[],this.runsWithoutFaceDetector=0,this.boundingBoxDetector=t,this.meshDetector=e,this.meshWidth=n,this.meshHeight=r,this.maxContinuousChecks=i,this.maxFaces=o;}_createClass(zc,[{key:"predict",value:function(){var _predict=_asyncToGenerator(/*#__PURE__*/regeneratorRuntime.mark(function _callee40(t){var _this75=this;var _e305,_n240,_yield$this$boundingB,_r221,_i190,o;return regeneratorRuntime.wrap(function _callee40$(_context45){while(1){switch(_context45.prev=_context45.next){case 0:if(!this.shouldUpdateRegionsOfInterest()){_context45.next=14;break;}_e305=!0;_n240=!1;_context45.next=5;return this.boundingBoxDetector.getBoundingBoxes(t,_e305,_n240);case 5:_yield$this$boundingB=_context45.sent;_r221=_yield$this$boundingB.boxes;_i190=_yield$this$boundingB.scaleFactor;if(!(0===_r221.length)){_context45.next=10;break;}return _context45.abrupt("return",(_i190.dispose(),this.clearAllRegionsOfInterest(),null));case 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_i191=0;if(_r222&&_r222.startPoint){var _n241$startEndTensor$=_slicedToArray(_n241.startEndTensor.arraySync()[0],4),_t308=_n241$startEndTensor$[0],_e307=_n241$startEndTensor$[1],o=_n241$startEndTensor$[2],_a84=_n241$startEndTensor$[3],_r222$startEndTensor$=_slicedToArray(_r222.startEndTensor.arraySync()[0],4),_s72=_r222$startEndTensor$[0],_u42=_r222$startEndTensor$[1],_c30=_r222$startEndTensor$[2],_l20=_r222$startEndTensor$[3],_f19=Math.max(_t308,_s72),h=Math.max(_e307,_u42),_d9=(Math.min(o,_c30)-_f19)*(Math.min(_a84,_l20)-h);_i191=_d9/((o-_t308)*(_a84-_e307)+(_c30-_s72)*(_l20-_e307)-_d9);}_i191>Lc?Rc(_n241):(this.regionsOfInterest[_e306]=_n241,Rc(_r222));}for(var _e308=t.length;_e308<this.regionsOfInterest.length;_e308++){Rc(this.regionsOfInterest[_e308]);}this.regionsOfInterest=this.regionsOfInterest.slice(0,t.length);}},{key:"clearRegionOfInterest",value:function 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    * Copyright 2020 Google LLC. All Rights Reserved.
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    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    * =============================================================================
    */function Jc(t){return [Math.abs(t.endPoint[0]-t.startPoint[0]),Math.abs(t.endPoint[1]-t.startPoint[1])];}function Qc(t){return [t.startPoint[0]+(t.endPoint[0]-t.startPoint[0])/2,t.startPoint[1]+(t.endPoint[1]-t.startPoint[1])/2];}function Zc(t){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1.5;var n=Qc(t),r=Jc(t),i=[e*r[0]/2,e*r[1]/2];return {startPoint:[n[0]-i[0],n[1]-i[1]],endPoint:[n[0]+i[0],n[1]+i[1]],palmLandmarks:t.palmLandmarks};}function tl(t){var e=Qc(t),n=Jc(t),r=Math.max.apply(Math,_toConsumableArray(n))/2;return {startPoint:[e[0]-r,e[1]-r],endPoint:[e[0]+r,e[1]+r],palmLandmarks:t.palmLandmarks};}function el(t,e){var n=[t.endPoint[0]-t.startPoint[0],t.endPoint[1]-t.startPoint[1]],r=[n[0]*e[0],n[1]*e[1]];return {startPoint:[t.startPoint[0]+r[0],t.startPoint[1]+r[1]],endPoint:[t.endPoint[0]+r[0],t.endPoint[1]+r[1]],palmLandmarks:t.palmLandmarks};}var nl=/*#__PURE__*/function(){function 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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(25),i=n(73),o=n(29),a=n(21),s=n(28);e.tile=s.op({tile_:function tile_(t,e){var n=o.convertToTensor(t,"x","tile",null);a.assert(n.rank===e.length,function(){return "Error in transpose: rank of input "+n.rank+" must match length of reps "+e+".";});var s=[n],u={x:n},c={reps:e};return r.ENGINE.runKernelFunc(function(t,r){var i=t.tile(n,e);return r([n]),i;},u,null,i.Tile,c,s);}});},function(t,e,n){/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(360);n(33).Tensor.prototype.tile=function(t){return r.tile(this,t);};},function(t,e,n){/**
 * @license
 * Copyright 2020 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(25),i=n(73),o=n(74),a=n(29),s=n(147),u=n(28),c=n(91);e.squaredDifference=u.op({squaredDifference_:function squaredDifference_(t,e){var n,u=a.convertToTensor(t,"a","squaredDifference"),l=a.convertToTensor(e,"b","squaredDifference");n=o.makeTypesMatch(u,l),u=n[0],l=n[1],s.assertAndGetBroadcastShape(u.shape,l.shape);var f={a:u,b:l},h=[u,l];return r.ENGINE.runKernelFunc(function(t,e){var n=t.squaredDifference(u,l);return e([u,l]),n;},f,function(t,e){var n=e[0],r=e[1],i=c.scalar(2);return {a:function a(){return t.mul(n.sub(r).mul(i));},b:function b(){return t.mul(r.sub(n).mul(i));}};},i.SquaredDifference,{},h,[]);}});},function(t,e,n){/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(362);n(33).Tensor.prototype.squaredDifference=function(t){return r.squaredDifference(this,t);};},function(t,e,n){/**
 * @license
 * Copyright 2017 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(21);e.assertParamsConsistent=function(t,e){var n=t[0].length;t.forEach(function(t,e){r.assert(t.length===n,function(){return "Error in concat"+n+"D: rank of tensors["+e+"] must be the same as the rank of the rest ("+n+")";});}),r.assert(e>=0&&e<n,function(){return "Error in concat"+n+"D: axis must be between 0 and "+(n-1)+".";});var i=t[0];t.forEach(function(t,o){for(var a=0;a<n;a++){r.assert(a===e||t[a]===i[a],function(){return "Error in concat"+n+"D: Shape of tensors["+o+"] ("+t+") does not match the shape of the rest ("+i+") along the non-concatenated axis "+o+".";});}});},e.computeOutShape=function(t,e){for(var n=t[0].slice(),r=1;r<t.length;r++){n[e]+=t[r][e];}return n;};},function(t,e,n){/**
 * @license
 * Copyright 2018 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(25),i=n(29),o=n(21),a=n(21),s=n(364),u=n(28),c=n(91);e.concat=u.op({concat_:function concat_(t,n){void 0===n&&(n=0),o.assert(t.length>=1,function(){return "Pass at least one tensor to concat";});var u=i.convertToTensorArray(t,"tensors","concat");"complex64"===u[0].dtype&&u.forEach(function(t){if("complex64"!==t.dtype)throw new Error("Cannot concatenate complex64 tensors with a tensor\n          with dtype "+t.dtype+". ");}),n=a.parseAxisParam(n,u[0].shape)[0];var l=s.computeOutShape(u.map(function(t){return t.shape;}),n);if(0===o.sizeFromShape(l))return c.tensor([],l);if(1===(u=u.filter(function(t){return t.size>0;})).length)return u[0];var f=u.map(function(t){return t.shape;});s.assertParamsConsistent(f,n);var h=u,d={axis:n};return r.ENGINE.runKernelFunc(function(t){return t.concat(u,n);},h,function(t){var r=f.map(function(t){return t[n];});return e.split(t,r,n).map(function(t){return function(){return t;};});},"Concat",d);}}),e.concat1d=u.op({concat1d_:function concat1d_(t){return e.concat(t,0);}}),e.concat2d=u.op({concat2d_:function concat2d_(t,n){return e.concat(t,n);}}),e.concat3d=u.op({concat3d_:function concat3d_(t,n){return e.concat(t,n);}}),e.concat4d=u.op({concat4d_:function concat4d_(t,n){return e.concat(t,n);}}),e.split=u.op({split_:function split_(t,n,s){void 0===s&&(s=0);var u,c=i.convertToTensor(t,"x","split");return s=a.parseAxisParam(s,c.shape)[0],"number"==typeof n?(o.assert(c.shape[s]%n==0,function(){return "Number of splits must evenly divide the axis.";}),u=new Array(n).fill(c.shape[s]/n)):(o.assert(c.shape[s]===n.reduce(function(t,e){return t+e;}),function(){return "The sum of sizes must match the size of the axis dimension.";}),u=n),r.ENGINE.runKernelFunc(function(t){return t.split(c,u,s);},{$x:c},function(t){return {$x:function $x(){return e.concat(t,s);}};});}});},function(t,e,n){/**
 * @license
 * Copyright 2017 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(21);function i(t,e){for(var n=0;n<t.length;++n){if(t[t.length-n-1]!==e-1-n)return !1;}return !0;}function o(t,e,n){for(var r=t.length+e.length,i=[],o=0,a=0,s=0;s<r;s++){-1===n.indexOf(s)?i.push(t[o++]):i.push(e[a++]);}return i;}e.axesAreInnerMostDims=i,e.combineLocations=o,e.computeOutAndReduceShapes=function(t,e){for(var n=[],r=t.length,i=0;i<r;i++){-1===e.indexOf(i)&&n.push(t[i]);}return [n,e.map(function(e){return t[e];})];},e.expandShapeToKeepDim=function(t,e){return o(t,e.map(function(t){return 1;}),e);},e.assertAxesAreInnerMostDims=function(t,e,n){r.assert(i(e,n),function(){return t+" supports only inner-most axes for now. Got axes "+e+" and rank-"+n+" input.";});},e.getAxesPermutation=function(t,e){if(i(t,e))return null;for(var n=[],r=0;r<e;++r){-1===t.indexOf(r)&&n.push(r);}return t.forEach(function(t){return n.push(t);}),n;},e.getUndoAxesPermutation=function(t){return t.map(function(t,e){return [e,t];}).sort(function(t,e){return t[1]-e[1];}).map(function(t){return t[0];});},e.getInnerMostAxes=function(t,e){for(var n=[],r=e-t;r<e;++r){n.push(r);}return n;};},function(t,e,n){/**
 * @license
 * Copyright 2018 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */var r=this&&this.__awaiter||function(t,e,n,r){return new(n||(n=Promise))(function(i,o){function a(t){try{u(r.next(t));}catch(t){o(t);}}function s(t){try{u(r.throw(t));}catch(t){o(t);}}function u(t){t.done?i(t.value):new n(function(e){e(t.value);}).then(a,s);}u((r=r.apply(t,e||[])).next());});},i=this&&this.__generator||function(t,e){var n,r,i,o,a={label:0,sent:function sent(){if(1&i[0])throw i[1];return i[1];},trys:[],ops:[]};return o={next:s(0),throw:s(1),return:s(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this;}),o;function s(o){return function(s){return function(o){if(n)throw new TypeError("Generator is already executing.");for(;a;){try{if(n=1,r&&(i=2&o[0]?r.return:o[0]?r.throw||((i=r.return)&&i.call(r),0):r.next)&&!(i=i.call(r,o[1])).done)return i;switch(r=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return a.label++,{value:o[1],done:!1};case 5:a.label++,r=o[1],o=[0];continue;case 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rank is "+r.rank+" but should be > than blockShape.length "+e.length;}),u.assert(n.length===e.length,function(){return "crops.length is "+n.length+" but should be equal to blockShape.length  "+e.length;}),u.assert(r.shape[0]%i==0,function(){return "input tensor batch is "+r.shape[0]+" but is not divisible by the product of the elements of blockShape "+e.join(" * ")+" === "+i;}),o.ENGINE.runKernelFunc(function(t){return t.batchToSpaceND(r,e,n);},{$x:r},function(t){return {$x:function $x(){return t.spaceToBatchND(e,n);}};});}}),e.cast=f.op({cast_:function cast_(t,e){var n=s.convertToTensor(t,"x","cast");if(!u.isValidDtype(e))throw new Error("Failed to cast to unknown dtype "+e);if("string"===e&&"string"!==n.dtype||"string"!==e&&"string"===n.dtype)throw new Error("Only strings can be casted to strings");var r={dtype:e};return o.ENGINE.runKernelFunc(function(t){return t.cast(n,e);},{x:n},function(t){return {x:function x(){return t.clone();}};},"Cast",r);}}),e.cumsum=f.op({cumsum_:function cumsum_(t,e,n,r){void 0===e&&(e=0),void 0===n&&(n=!1),void 0===r&&(r=!1);var i=s.convertToTensor(t,"x","cumsum");e|=0;var a=c.getAxesPermutation([e],i.rank),u=i;null!=a&&(u=i.transpose(a));var l=c.getInnerMostAxes(1,i.rank)[0],f=o.ENGINE.runKernelFunc(function(t){return t.cumsum(u,l,n,r);},{permutedX:u},function(t){return {permutedX:function permutedX(){return t.cumsum(e,n,!r);}};});return null!=a&&(f=f.transpose(a)),f;}}),e.depthToSpace=f.op({depthToSpace_:function depthToSpace_(t,e,n){void 0===n&&(n="NHWC");var r=s.convertToTensor(t,"x","depthToSpace"),i="NHWC"===n?r.shape[1]:r.shape[2],a="NHWC"===n?r.shape[2]:r.shape[3],c="NHWC"===n?r.shape[3]:r.shape[1];return u.assert(i*e>=0,function(){return "Negative dimension size caused by overflow when multiplying\n      "+i+" and "+e+"  for depthToSpace with input shape\n      "+r.shape;}),u.assert(a*e>=0,function(){return "Negative dimension size caused by overflow when multiplying\n      "+a+" and "+e+" for depthToSpace with input shape\n          "+r.shape;}),u.assert(c%(e*e)==0,function(){return "Dimension size must be evenly divisible by "+e*e+" but is "+c+" for depthToSpace with input shape "+r.shape;}),o.ENGINE.runKernelFunc(function(t){return t.depthToSpace(r,e,n);},{$x:r});}}),e.expandDims=f.op({expandDims_:function expandDims_(t,n){void 0===n&&(n=0);var r=s.convertToTensor(t,"x","expandDims",null);u.assert(n<=r.rank,function(){return "Axis must be <= rank of the tensor";});var i=r.shape.slice();return n<0&&(u.assert(-(r.rank+1)<=n,function(){return "Axis must be in the interval ["+-(r.rank+1)+", "+r.rank+"]";}),n=r.rank+n+1),i.splice(n,0,1),e.reshape(r,i);}}),e.reshape=f.op({reshape_:function reshape_(t,e){var n=s.convertToTensor(t,"x","reshape",null);e=u.inferFromImplicitShape(e,n.size),u.assert(n.size===u.sizeFromShape(e),function(){return "new shape and old shape must have the same number of elements.";});var r={shape:e};return o.ENGINE.runKernelFunc(function(t){return t.reshape(n,e);},{x:n},function(t){return {x:function x(){return t.reshape(n.shape);}};},"Reshape",r);}}),e.spaceToBatchND=f.op({spaceToBatchND_:function spaceToBatchND_(t,e,n){var r=s.convertToTensor(t,"x","spaceToBatchND");return u.assert(r.rank>=1+e.length,function(){return "input rank "+r.rank+" should be > than [blockShape] "+e.length;}),u.assert(n.length===e.length,function(){return "paddings.shape[0] "+n.length+" must be equal to [blockShape] "+e.length;}),u.assert(r.shape.reduce(function(t,r,i){return i>0&&i<=e.length?t&&(r+n[i-1][0]+n[i-1][1])%e[i-1]==0:t;},!0),function(){return "input spatial dimensions "+r.shape.slice(1)+" with paddings "+n.toString()+" must be divisible by blockShapes "+e.toString();}),o.ENGINE.runKernelFunc(function(t){return t.spaceToBatchND(r,e,n);},{$x:r},function(t){return {$x:function $x(){return t.batchToSpaceND(e,n);}};});}}),e.squeeze=f.op({squeeze_:function squeeze_(t,n){var r=s.convertToTensor(t,"x","squeeze");return e.reshape(r,u.squeezeShape(r.shape,n).newShape);}}),e.stack=f.op({stack_:function stack_(t,e){void 0===e&&(e=0);var n=s.convertToTensorArray(t,"tensors","stack");if(u.assert(n.length>=1,function(){return "Pass at least one tensor to tf.stack";}),1===n.length)return n[0].expandDims(e);var r=n[0].rank,i=n[0].shape,o=n[0].dtype;u.assert(e<=r,function(){return "Axis must be <= rank of the tensor";}),n.forEach(function(t){u.assertShapesMatch(i,t.shape,"All tensors passed to stack must have matching shapes");}),n.forEach(function(t){u.assert(o===t.dtype,function(){return "All tensors passed to stack must have matching dtypes";});});var a=n.map(function(t){return t.expandDims(e);});return l.concat(a,e);}}),e.unstack=f.op({unstack_:function unstack_(t,n){void 0===n&&(n=0),n=n||0;var r=s.convertToTensor(t,"x","unstack");u.assert(n>=-r.shape.length&&n<r.shape.length,function(){return "Axis = "+n+" is not in [-"+r.shape.length+", "+r.shape.length+")";}),n<0&&(n+=r.shape.length);var i={axis:n};return o.ENGINE.runKernelFunc(function(t){return t.unstack(r,n);},{x:r},function(t){return {x:function x(){return e.stack(t,n);}};},"Unpack",i);}}),e.setdiff1dAsync=function(t,e){return r(this,void 0,void 0,function(){var n,r,o,c,l,f,h,d,p,m;return i(this,function(i){switch(i.label){case 0:return n=s.convertToTensor(t,"x","setdiff1d"),r=s.convertToTensor(e,"y","setdiff1d"),u.assert(n.dtype===r.dtype,function(){return "x and y should have the same dtype, but got x ("+n.dtype+") and y ("+r.dtype+").";}),u.assert(1===n.rank,function(){return "x should be 1D tensor, but got x ("+n.shape+").";}),u.assert(1===r.rank,function(){return "y should be 1D tensor, but got y ("+r.shape+").";}),[4,n.data()];case 1:return o=i.sent(),[4,r.data()];case 2:for(c=i.sent(),l=new Set(c),f=0,p=0;p<o.length;p++){l.has(o[p])||f++;}for(h=new a.TensorBuffer([f],n.dtype),d=new a.TensorBuffer([f],"int32"),p=0,m=0;p<o.length;p++){l.has(o[p])||(h.values[m]=o[p],d.values[m]=p,m++);}return [2,[h.toTensor(),d.toTensor()]];}});});};},function(t,e,n){/**
 * @license
 * Copyright 2018 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(367);e.whereImpl=function(t,e){for(var n=[],i=0;i<e.length;i++){e[i]&&n.push(i);}var o=r.buffer(t,"int32"),a=r.buffer([n.length,t.length],"int32");for(i=0;i<n.length;i++){var s=o.indexToLoc(n[i]),u=i*t.length;a.values.set(s,u);}return a.toTensor();};},function(t,e,n){/**
 * @license
 * Copyright 2018 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
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 * @license
 * Copyright 2020 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(74),i=n(29),o=n(205),a=n(369),s=n(28),u=n(91);e.divNoNan=s.op({divNoNan_:function divNoNan_(t,e){var n,s=i.convertToTensor(t,"a","div"),c=i.convertToTensor(e,"b","div");s=(n=r.makeTypesMatch(s,c))[0],c=n[1];var l=o.div(s,c),f=u.zerosLike(l),h=c.equal(f);return a.where(h,f,l);}});},function(t,e,n){/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(370);n(33).Tensor.prototype.divNoNan=function(t){return r.divNoNan(this,t);};},function(t,e,n){/**
 * @license
 * Copyright 2018 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(25),i=n(29),o=n(21),a=n(28),s=n(91);e.abs=a.op({abs_:function abs_(t){var e=i.convertToTensor(t,"x","abs");return "complex64"===e.dtype?r.ENGINE.runKernelFunc(function(t){return t.complexAbs(e);},{$x:e}):r.ENGINE.runKernelFunc(function(t,n){var r=t.abs(e);return n([e]),r;},{x:e},function(t,e){var n=e[0];return {x:function x(){return t.mul(n.toFloat().step(-1));}};},"Abs");}}),e.acos=a.op({acos_:function acos_(t){var e=i.convertToTensor(t,"x","acos");return r.ENGINE.runKernelFunc(function(t,n){var r=t.acos(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.divStrict(s.scalar(1).sub(n.toFloat().square()).sqrt()).neg();}};});}}),e.acosh=a.op({acosh_:function acosh_(t){var e=i.convertToTensor(t,"x","acosh");return r.ENGINE.runKernelFunc(function(t,n){var r=t.acosh(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.divStrict(n.toFloat().square().sub(1).sqrt());}};});}}),e.asin=a.op({asin_:function asin_(t){var e=i.convertToTensor(t,"x","asin");return r.ENGINE.runKernelFunc(function(t,n){var r=t.asin(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.divStrict(s.scalar(1).sub(n.toFloat().square()).sqrt());}};});}}),e.asinh=a.op({asinh_:function asinh_(t){var e=i.convertToTensor(t,"x","asinh");return r.ENGINE.runKernelFunc(function(t,n){var r=t.asinh(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.divStrict(s.scalar(1).add(n.toFloat().square()).sqrt());}};});}}),e.atan=a.op({atan_:function atan_(t){var e=i.convertToTensor(t,"x","atan");return r.ENGINE.runKernelFunc(function(t,n){var r=t.atan(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.div(n.toFloat().square().add(1));}};});}}),e.atanh=a.op({atanh_:function atanh_(t){var e=i.convertToTensor(t,"x","atanh");return 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n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.div(n.add(1));}};});}}),e.logSigmoid=a.op({logSigmoid_:function logSigmoid_(t){var e=i.convertToTensor(t,"x","logSigmoid");return r.ENGINE.runKernelFunc(function(t,n){var r=t.softplus(e.neg()).neg();return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.mul(n.neg().sigmoid());}};});}}),e.neg=a.op({neg_:function neg_(t){var e=i.convertToTensor(t,"x","neg"),n=[e];return r.ENGINE.runKernelFunc(function(t){return t.neg(e);},{x:e},function(t){return {x:function x(){return t.neg();}};},"Neg",{},n);}}),e.reciprocal=a.op({reciprocal_:function reciprocal_(t){var e=i.convertToTensor(t,"x","reciprocal");return r.ENGINE.runKernelFunc(function(t,n){var r=t.reciprocal(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.div(n.square().neg());}};});}}),e.round=a.op({round_:function round_(t){var e=i.convertToTensor(t,"x","round");return r.ENGINE.runKernelFunc(function(t){return t.round(e);},{$x:e},function(t){return {$x:function $x(){return s.zerosLike(t);}};});}}),e.rsqrt=a.op({rsqrt_:function rsqrt_(t){var e=i.convertToTensor(t,"x","rsqrt"),n=[e];return r.ENGINE.runKernelFunc(function(t,n){var r=t.rsqrt(e);return n([e]),r;},{x:e},function(t,e){var n=e[0];return {x:function x(){return t.div(n.pow(1.5).mul(2)).neg();}};},"Rsqrt",{},n);}}),e.sigmoid=a.op({sigmoid_:function sigmoid_(t){var e=i.convertToTensor(t,"x","sigmoid");return r.ENGINE.runKernelFunc(function(t,n){var r=t.sigmoid(e);return n([r]),r;},{x:e},function(t,e){var n=e[0];return {x:function x(){return t.mul(n.mul(s.scalar(1).sub(n)));}};},"Sigmoid");}}),e.sign=a.op({sign_:function sign_(t){var e=i.convertToTensor(t,"x","sign");return r.ENGINE.runKernelFunc(function(t){return t.sign(e);},{$x:e},function(t){return {$x:function $x(){return s.zerosLike(t);}};});}}),e.isNaN=a.op({isNaN_:function isNaN_(t){var e=i.convertToTensor(t,"x","isNaN");return r.ENGINE.runKernelFunc(function(t){return t.isNaN(e);},{$x:e},function(t){return {$x:function $x(){return s.zerosLike(t);}};});}}),e.isInf=a.op({isInf_:function isInf_(t){var e=i.convertToTensor(t,"x","isInf");return r.ENGINE.runKernelFunc(function(t){return t.isInf(e);},{$x:e},function(t){return {$x:function $x(){return s.zerosLike(t);}};});}}),e.isFinite=a.op({isFinite_:function isFinite_(t){var e=i.convertToTensor(t,"x","isFinite");return r.ENGINE.runKernelFunc(function(t){return t.isFinite(e);},{$x:e},function(t){return {$x:function $x(){return s.zerosLike(t);}};});}}),e.sin=a.op({sin_:function sin_(t){var e=i.convertToTensor(t,"x","sin"),n=[e];return r.ENGINE.runKernelFunc(function(t,n){var r=t.sin(e);return n([e]),r;},{x:e},function(t,e){var n=e[0];return {x:function x(){return n.toFloat().cos().mul(t);}};},"Sin",{},n);}}),e.sinh=a.op({sinh_:function sinh_(t){var e=i.convertToTensor(t,"x","sinh");return r.ENGINE.runKernelFunc(function(t,n){var r=t.sinh(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return n.toFloat().cosh().mulStrict(t);}};});}}),e.softplus=a.op({softplus_:function softplus_(t){var e=i.convertToTensor(t,"x","softplus");return r.ENGINE.runKernelFunc(function(t,n){var r=t.softplus(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.mul(n.sigmoid());}};});}}),e.sqrt=a.op({sqrt_:function sqrt_(t){var e=i.convertToTensor(t,"x","sqrt");return r.ENGINE.runKernelFunc(function(t,n){var r=t.sqrt(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.div(n.toFloat().sqrt().mul(2));}};});}}),e.step=a.op({step_:function step_(t,e){void 0===e&&(e=0);var n=i.convertToTensor(t,"x","step");return r.ENGINE.runKernelFunc(function(t){return t.step(n,e);},{$x:n},function(t){return {$x:function $x(){return s.zerosLike(t);}};});}}),e.tan=a.op({tan_:function tan_(t){var e=i.convertToTensor(t,"x","tan");return r.ENGINE.runKernelFunc(function(t,n){var r=t.tan(e);return n([e]),r;},{$x:e},function(t,e){var n=e[0];return {$x:function $x(){return t.div(n.cos().square());}};});}}),e.tanh=a.op({tanh_:function tanh_(t){var e=i.convertToTensor(t,"x","tanh");return r.ENGINE.runKernelFunc(function(t,n){var r=t.tanh(e);return n([r]),r;},{x:e},function(t,e){var n=e[0];return {x:function x(){return s.scalar(1).sub(n.square()).mulStrict(t);}};},"Tanh",{},null,[!0]);}});},function(t,e,n){Object.defineProperty(e,"__esModule",{value:!0});/**
 * @license
 * Copyright 2018 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */var r=n(25),i=n(29),o=n(21),a=n(28);e.complex=a.op({complex_:function complex_(t,e){var n=i.convertToTensor(t,"real","complex"),a=i.convertToTensor(e,"imag","complex");return o.assertShapesMatch(n.shape,a.shape,"real and imag shapes, "+n.shape+" and "+a.shape+", must match in call to tf.complex()."),r.ENGINE.runKernelFunc(function(t){return t.complex(n,a);},{$real:n,$imag:a});}}),e.real=a.op({real_:function real_(t){var e=i.convertToTensor(t,"input","real");return r.ENGINE.runKernelFunc(function(t){return t.real(e);},{$input:e});}}),e.imag=a.op({imag_:function imag_(t){var e=i.convertToTensor(t,"input","imag");return r.ENGINE.runKernelFunc(function(t){return t.imag(e);},{$input:e});}});},function(t,e,n){/**
 * @license
 * Copyright 2018 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(25),i=n(74),o=n(29),a=n(21),s=n(206),u=n(147),c=n(28),l=n(91),f=n(372);e.addStrict=c.op({addStrict_:function addStrict_(t,e){var n=o.convertToTensor(t,"a","addStrict"),r=o.convertToTensor(e,"b","addStrict");return a.assertShapesMatch(n.shape,r.shape,"Error in addStrict: "),n.add(r);}}),e.atan2=c.op({atan2_:function atan2_(t,e){var n,a=o.convertToTensor(t,"a","atan2"),c=o.convertToTensor(e,"b","atan2");n=i.makeTypesMatch(a,c),a=n[0],c=n[1];var l=u.assertAndGetBroadcastShape(a.shape,c.shape);return r.ENGINE.runKernelFunc(function(t,e){var n=t.atan2(a,c);return e([a,c]),n;},{$a:a,$b:c},function(t,e){var n=e[0],r=e[1];return {$a:function $a(){var e=s.add(n.square(),r.square()),i=t.mul(r.div(e)),o=u.getReductionAxes(n.shape,l);return o.length>0&&(i=i.sum(o)),i.reshape(n.shape);},$b:function $b(){var e=s.add(n.square(),r.square()),i=f.neg(t.mul(n.div(e))),o=u.getReductionAxes(r.shape,l);return o.length>0&&(i=i.sum(o)),i.reshape(r.shape);}};});}}),e.divStrict=c.op({divStrict_:function divStrict_(t,e){var n=o.convertToTensor(t,"a","div"),r=o.convertToTensor(e,"b","div");return a.assertShapesMatch(n.shape,r.shape,"Error in divideStrict: "),n.div(r);}}),e.floorDiv=c.op({floorDiv_:function floorDiv_(t,e){var n,a=o.convertToTensor(t,"a","floorDiv"),s=o.convertToTensor(e,"b","floorDiv");n=i.makeTypesMatch(a,s),a=n[0],s=n[1];var c=u.assertAndGetBroadcastShape(a.shape,s.shape);return r.ENGINE.runKernelFunc(function(t,e){var n=t.floorDiv(a,s);return e([a,s]),n;},{a:a,b:s},function(t,e){var n=e[0],r=e[1];return {a:function a(){var e=t.div(r.toFloat()),i=u.getReductionAxes(n.shape,c);return i.length>0?e.sum(i).reshape(n.shape):e;},b:function b(){var e=t.mul(n.toFloat()),i=u.getReductionAxes(r.shape,c);i.length>0&&(e=e.sum(i).reshape(r.shape));var o=r.square();return e.div(o.toFloat()).neg();}};},"FloorDiv");}}),e.maximum=c.op({maximum_:function maximum_(t,e){var n,a=o.convertToTensor(t,"a","maximum"),s=o.convertToTensor(e,"b","maximum");return n=i.makeTypesMatch(a,s),a=n[0],s=n[1],"bool"===a.dtype&&(a=a.toInt(),s=s.toInt()),u.assertAndGetBroadcastShape(a.shape,s.shape),r.ENGINE.runKernelFunc(function(t,e){var n=t.maximum(a,s);return e([a,s]),n;},{a:a,b:s},function(t,e){var n=e[0],r=e[1];return {a:function a(){return t.mul(n.greaterEqual(r).toFloat());},b:function b(){return t.mul(n.less(r).toFloat());}};},"Maximum");}}),e.maximumStrict=c.op({maximumStrict_:function maximumStrict_(t,e){var n=o.convertToTensor(t,"a","maximumStrict"),r=o.convertToTensor(e,"b","maximumStrict");return a.assertShapesMatch(n.shape,r.shape,"Error in maximumStrict: "),n.maximum(r);}}),e.minimum=c.op({minimum_:function minimum_(t,e){var n,a=o.convertToTensor(t,"a","minimum"),s=o.convertToTensor(e,"b","minimum");return n=i.makeTypesMatch(a,s),a=n[0],s=n[1],"bool"===a.dtype&&(a=a.toInt(),s=s.toInt()),u.assertAndGetBroadcastShape(a.shape,s.shape),r.ENGINE.runKernelFunc(function(t,e){var n=t.minimum(a,s);return e([a,s]),n;},{a:a,b:s},function(t,e){var n=e[0],r=e[1];return {a:function a(){return t.mul(n.lessEqual(r).toFloat());},b:function b(){return t.mul(n.greater(r).toFloat());}};},"Minimum");}}),e.minimumStrict=c.op({minimumStrict_:function minimumStrict_(t,e){var n=o.convertToTensor(t,"a","minimumStrict"),r=o.convertToTensor(e,"b","minimumStrict");return a.assertShapesMatch(n.shape,r.shape,"Error in minimumStrict: "),n.minimum(r);}}),e.mod=c.op({mod_:function mod_(t,e){var n,a=o.convertToTensor(t,"a","mod"),s=o.convertToTensor(e,"b","mod");n=i.makeTypesMatch(a,s),a=n[0],s=n[1];var c=u.assertAndGetBroadcastShape(a.shape,s.shape);return r.ENGINE.runKernelFunc(function(t,e){var n=t.mod(a,s);return e([a,s]),n;},{$a:a,$b:s},function(t,e){var n=e[0],r=e[1];return {$a:function $a(){var e=u.getReductionAxes(n.shape,c);return e.length>0?t.sum(e).reshape(n.shape):t;},$b:function $b(){var e=t.mul(n.div(r).floor().neg()),i=u.getReductionAxes(r.shape,c);return i.length>0?e.sum(i).reshape(r.shape):e;}};});}}),e.modStrict=c.op({modStrict_:function modStrict_(t,e){var n=o.convertToTensor(t,"a","modStrict"),r=o.convertToTensor(e,"b","modStrict");return a.assertShapesMatch(n.shape,r.shape,"Error in modStrict: "),n.mod(r);}}),e.mul=c.op({mul_:function mul_(t,e){var n,a=o.convertToTensor(t,"a","mul"),s=o.convertToTensor(e,"b","mul");n=i.makeTypesMatch(a,s),a=n[0],s=n[1];var c=u.assertAndGetBroadcastShape(a.shape,s.shape);return r.ENGINE.runKernelFunc(function(t,e){var n=t.multiply(a,s);return e([a,s]),n;},{a:a,b:s},function(t,e){var n=e[0],r=e[1];return {a:function a(){var e=t.mul(r.toFloat()),i=u.getReductionAxes(n.shape,c);return i.length>0?e.sum(i).reshape(n.shape):e;},b:function b(){var e=t.mul(n.toFloat()),i=u.getReductionAxes(r.shape,c);return i.length>0?e.sum(i).reshape(r.shape):e;}};},"Mul");}}),e.mulStrict=c.op({mulStrict_:function mulStrict_(t,e){var n=o.convertToTensor(t,"a","mul"),r=o.convertToTensor(e,"b","mul");return a.assertShapesMatch(n.shape,r.shape,"Error in multiplyStrict: "),n.mul(r);}}),e.pow=c.op({pow_:function pow_(t,e){var n,a=o.convertToTensor(t,"base","pow"),s=o.convertToTensor(e,"exp","pow");n=i.makeTypesMatch(a,s),a=n[0],s=n[1];var c=u.assertAndGetBroadcastShape(a.shape,s.shape),f=[a,s];return r.ENGINE.runKernelFunc(function(t,e){var n=t.pow(a,s);return e([a,s,n]),n;},{a:a,b:s},function(t,e){var n=e[0],r=e[1],i=e[2];return {a:function a(){var e=r.toFloat(),i=t.mul(e.mul(n.pow(e.sub(l.scalar(1))))),o=u.getReductionAxes(n.shape,c);return o.length>0&&(i=i.sum(o)),i.reshape(n.shape);},b:function b(){var e=n.greater(0),o=n.log().where(e,l.zerosLike(n)),a=t.mul(i.mul(o)),s=u.getReductionAxes(r.shape,c);return s.length>0&&(a=a.sum(s)),a.reshape(r.shape);}};},"Pow",{},f,[!0]);}}),e.powStrict=c.op({powStrict_:function powStrict_(t,e){return a.assertShapesMatch(t.shape,e.shape,"Error in powStrict: "),t.pow(e);}}),e.squaredDifferenceStrict=c.op({squaredDifferenceStrict_:function squaredDifferenceStrict_(t,e){var n=o.convertToTensor(t,"a","squaredDifferenceStrict"),r=o.convertToTensor(e,"b","squaredDifferenceStrict");return a.assertShapesMatch(n.shape,r.shape,"Error in squaredDifferenceStrict: "),n.squaredDifference(r);}}),e.sub=c.op({sub_:function sub_(t,e){var n,_a87=o.convertToTensor(t,"a","sub"),s=o.convertToTensor(e,"b","sub");n=i.makeTypesMatch(_a87,s),_a87=n[0],s=n[1];var c=u.assertAndGetBroadcastShape(_a87.shape,s.shape);return r.ENGINE.runKernelFunc(function(t){return t.subtract(_a87,s);},{a:_a87,b:s},function(t){return {a:function a(){var e=t,n=u.getReductionAxes(_a87.shape,c);return n.length>0&&(e=e.sum(n)),e.reshape(_a87.shape);},b:function b(){var e=t,n=u.getReductionAxes(s.shape,c);return n.length>0&&(e=e.sum(n)),e.neg().reshape(s.shape);}};},"Sub");}}),e.subStrict=c.op({subStrict_:function subStrict_(t,e){var n=o.convertToTensor(t,"a","subStrict"),r=o.convertToTensor(e,"b","subStrict");return a.assertShapesMatch(n.shape,r.shape,"Error in subStrict: "),n.sub(r);}});},function(t,e,n){/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(205);n(33).Tensor.prototype.div=function(t){return r.div(this,t);};},function(t,e,n){/**
 * @license
 * Copyright 2020 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(25),i=n(73),o=n(29),a=n(28);e.broadcastTo=a.op({broadcastTo_:function broadcastTo_(t,e){var n=o.convertToTensor(t,"broadcastTo","x"),a=n.shape;if(e.some(function(t){return !(t>0)||t%1!=0;}))throw new Error("broadcastTo(): Invalid broadcast shape ["+e+"].");if(e.length<n.rank)throw new Error("broadcastTo(): shape.length="+e.length+" < input.rank="+n.rank+".");if(e.length>n.rank){for(var s=n.shape.slice();s.length<e.length;){s.unshift(1);}n=n.reshape(s);}for(var u=n.shape,c=Array.from(e),l=e.length-1;l>=0;l--){if(u[l]===e[l])c[l]=1;else if(1!==n.shape[l])throw new Error("broadcastTo(): ["+a+"] cannot be broadcast to ["+e+"].");}var f=c.map(function(t,e){return t>1?e:-1;}).filter(function(t){return t>=0;});if(0===f.length)return n.clone();var h={x:n},d={shape:e,inputShape:u};return r.ENGINE.runKernelFunc(function(t){return t.tile(n,c);},h,function(t){return {x:function x(){return t.sum(f,!0);}};},i.BroadcastTo,d);}});},function(t,e,n){/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(376);n(33).Tensor.prototype.broadcastTo=function(t){return r.broadcastTo(this,t);};},function(t,e,n){/**
 * @license
 * Copyright 2017 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */var r,i,o,a;Object.defineProperty(e,"__esModule",{value:!0}),function(t){t.R0="R0",t.R1="R1",t.R2="R2",t.R3="R3",t.R4="R4",t.R5="R5",t.R6="R6";}(e.Rank||(e.Rank={})),function(t){t.float32="float32",t.int32="int32",t.bool="int32",t.complex64="complex64";}(r||(r={})),function(t){t.float32="float32",t.int32="int32",t.bool="bool",t.complex64="complex64";}(i||(i={})),function(t){t.float32="float32",t.int32="float32",t.bool="float32",t.complex64="complex64";}(o||(o={})),function(t){t.float32="complex64",t.int32="complex64",t.bool="complex64",t.complex64="complex64";}(a||(a={}));var s={float32:o,int32:r,bool:i,complex64:a};function u(t,e){if("string"===t||"string"===e){if("string"===t&&"string"===e)return "string";throw new Error("Can not upcast "+t+" with "+e);}return s[t][e];}e.upcastType=u,e.sumOutType=function(t){return u(t,"int32");};},function(t,e,n){/**
 * @license
 * Copyright 2018 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(21),i=20,o=3,a=7;function s(t,e,n){var i;return i=Array.isArray(t)?parseFloat(t[0].toFixed(a))+" + "+parseFloat(t[1].toFixed(a))+"j":r.isString(t)?"'"+t+"'":"bool"===n?u(t):parseFloat(t.toFixed(a)).toString(),r.rightPad(i,e);}function u(t){return 0===t?"false":"true";}function c(t){for(var e=[],n=0;n<t.length;n+=2){e.push([t[n],t[n+1]]);}return e;}e.tensorToString=function(t,e,n,a){var l=r.computeStrides(e),f=function(t,e,n,i){var o=r.sizeFromShape(e),a=i[i.length-1],u=new Array(a).fill(0),l=e.length,f="complex64"===n?c(t):t;if(l>1)for(var h=0;h<o/a;h++){for(var d=h*a,p=0;p<a;p++){u[p]=Math.max(u[p],s(f[d+p],0,n).length);}}return u;}(t,e,n,l),h=e.length,d=function t(e,n,r,a,l,f){void 0===f&&(f=!0);var h="complex64"===r?2:1,d=n[0],p=n.length;if(0===p){if("complex64"===r){var m=c(e);return [s(m[0],0,r)];}return "bool"===r?[u(e[0])]:[e[0].toString()];}if(1===p){if(d>i){var g=o*h,v=Array.from(e.slice(0,g)),y=Array.from(e.slice((d-o)*h,d*h));return "complex64"===r&&(v=c(v),y=c(y)),["["+v.map(function(t,e){return s(t,l[e],r);}).join(", ")+", ..., "+y.map(function(t,e){return s(t,l[d-o+e],r);}).join(", ")+"]"];}var b="complex64"===r?c(e):Array.from(e);return ["["+b.map(function(t,e){return s(t,l[e],r);}).join(", ")+"]"];}var x=n.slice(1),w=a.slice(1),k=a[0]*h,E=[];if(d>i){for(var C=0;C<o;C++){var A=C*k,O=A+k;E.push.apply(E,t(e.slice(A,O),x,r,w,l,!1));}E.push("...");for(var C=d-o;C<d;C++){var A=C*k,O=A+k;E.push.apply(E,t(e.slice(A,O),x,r,w,l,C===d-1));}}else for(var C=0;C<d;C++){var A=C*k,O=A+k;E.push.apply(E,t(e.slice(A,O),x,r,w,l,C===d-1));}var _=2===p?",":"";E[0]="["+E[0]+_;for(var C=1;C<E.length-1;C++){E[C]=" "+E[C]+_;}for(var S=",\n",C=2;C<p;C++){S+="\n";}return E[E.length-1]=" "+E[E.length-1]+"]"+(f?"":S),E;}(t,e,n,l,f),p=["Tensor"];return a&&(p.push("  dtype: "+n),p.push("  rank: "+h),p.push("  shape: ["+e+"]"),p.push("  values:")),p.push(d.map(function(t){return "    "+t;}).join("\n")),p.join("\n");};},function(t,e,n){/**
 * @license
 * Copyright 2017 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(21);e.getFilteredNodesXToY=function(t,e,n){for(var r={},i={},o=0;o<e.length;o++){r[e[o].id]=!0;}for(o=0;o<t.length;o++){var a=(p=t[o]).inputs;for(var s in a){for(var u=a[s],c=!1,l=0;l<e.length;l++){if(r[u.id]){p.outputs.forEach(function(t){return r[t.id]=!0;}),c=!0,i[p.id]=!0;break;}}if(c)break;}}var f={};f[n.id]=!0;var h={};for(o=t.length-1;o>=0;o--){for(a=(p=t[o]).inputs,l=0;l<p.outputs.length;l++){if(f[p.outputs[l].id]){for(var s in a){f[a[s].id]=!0,h[p.id]=!0;}break;}}}var d=[];for(o=0;o<t.length;o++){var p;if(i[(p=t[o]).id]&&h[p.id]){var m={};for(var s in p.inputs){var g=p.inputs[s];r[g.id]&&(m[s]=g);}var v=Object.assign({},p);v.inputs=m,v.outputs=p.outputs,d.push(v);}}return d;},e.backpropagateGradients=function(t,e,n){for(var i=function i(_i207){var o=e[_i207],a=[];if(o.outputs.forEach(function(e){var n=t[e.id];null!=n?a.push(n):a.push(null);}),null==o.gradient)throw new Error("Cannot compute gradient: gradient function not found for "+o.kernelName+".");var s=o.gradient(a),u=function u(e){if(!(e in s))throw new Error("Cannot backprop through input "+e+". Available gradients found: "+Object.keys(s)+".");var i=n(function(){return s[e]();});if("float32"!==i.dtype)throw new Error("Error in gradient for op "+o.kernelName+". The gradient of input "+e+" must have 'float32' dtype, but has '"+i.dtype+"'");var a=o.inputs[e];if(!r.arraysEqual(i.shape,a.shape))throw new Error("Error in gradient for op "+o.kernelName+". The gradient of input '"+e+"' has shape '"+i.shape+"', which does not match the shape of the input '"+a.shape+"'");if(null==t[a.id])t[a.id]=i;else {var u=t[a.id];t[a.id]=u.add(i),u.dispose();}};for(var c in o.inputs){u(c);}},o=e.length-1;o>=0;o--){i(o);}};},function(t,e,n){/**
 * @license
 * Copyright 2018 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=n(21),i=function(){function t(t,e){this.backendTimer=t,this.logger=e,null==e&&(this.logger=new a());}return t.prototype.profileKernel=function(t,e,n){var r,i=this,a=this.backendTimer.time(function(){r=n();});return r.forEach(function(n){n.data().then(function(r){o(r,n.dtype,t),a.then(function(o){var a="";null!=o.getExtraProfileInfo&&(a=o.getExtraProfileInfo()),i.logger.logKernelProfile(t,n,r,o.kernelMs,e,a);});});}),r;},t;}();function o(t,e,n){if("float32"!==e)return !1;for(var r=0;r<t.length;r++){var i=t[r];if(isNaN(i)||!isFinite(i))return console.warn("Found "+i+" in the result of '"+n+"'"),!0;}return !1;}e.Profiler=i,e.checkComputationForErrors=o;var a=function(){function t(){}return t.prototype.logKernelProfile=function(t,e,n,i,o,a){var s="number"==typeof i?r.rightPad(i+"ms",9):i.error,u=r.rightPad(t,25),c=e.rank,l=e.size,f=r.rightPad(e.shape.toString(),14),h="";for(var d in o){var p=o[d].shape||e.shape,m=p.length;h+=d+": "+m+"D "+(m>0?p:"")+" ";}console.log("%c"+u+"\t%c"+s+"\t%c"+c+"D "+f+"\t%c"+l+"\t%c"+h+"\t%c"+a,"font-weight:bold","color:red","color:blue","color: orange","color: green","color: steelblue");},t;}();e.Logger=a;},function(t,e,n){/**
 * @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */Object.defineProperty(e,"__esModule",{value:!0});var r=new Map(),i=new Map();function o(t,e){return e+"_"+t;}e.getKernel=function(t,e){var n=o(t,e);return r.get(n);},e.getGradient=function(t){return i.get(t);},e.getKernelsForBackend=function(t){for(var e=r.entries(),n=[];;){var i=e.next(),o=i.done,a=i.value;if(o)break;var s=a[0],u=a[1];s.split("_")[0]===t&&n.push(u);}return n;},e.registerKernel=function(t){var e=t.kernelName,n=t.backendName,i=o(e,n);if(r.has(i))throw new Error("The kernel '"+e+"' for backend '"+n+"' is already registered");r.set(i,t);},e.registerGradient=function(t){var e=t.kernelName;i.has(e)&&console.warn("Overriding the gradient for '"+e+"'"),i.set(e,t);},e.unregisterKernel=function(t,e){var n=o(t,e);if(!r.has(n))throw new Error("The kernel '"+t+"' for backend '"+e+"' is not registered");r.delete(n);},e.unregisterGradient=function(t){if(!i.has(t))throw new Error("The gradient '"+t+"' for backend is not registered");i.delete(t);};},function(t,e,n){Object.defineProperty(e,"__esModule",{value:!0});/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */var r=n(206);n(33).Tensor.prototype.add=function(t){return r.add(this,t);};},function(t,e,n){Object.defineProperty(e,"__esModule",{value:!0}),/**
 * @license
 * Copyright 2020 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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var formatMessageParse = createCommonjsModule(function (module, exports) {
  /*::
  export type AST = Element[]
  export type Element = string | Placeholder
  export type Placeholder = Plural | Styled | Typed | Simple
  export type Plural = [ string, 'plural' | 'selectordinal', number, SubMessages ]
  export type Styled = [ string, string, string | SubMessages ]
  export type Typed = [ string, string ]
  export type Simple = [ string ]
  export type SubMessages = { [string]: AST }
  export type Token = [ TokenType, string ]
  export type TokenType = 'text' | 'space' | 'id' | 'type' | 'style' | 'offset' | 'number' | 'selector' | 'syntax'
  type Context = {|
    pattern: string,
    index: number,
    tagsType: ?string,
    tokens: ?Token[]
  |}
  */

  var ARG_OPN = '{';
  var ARG_CLS = '}';
  var ARG_SEP = ',';
  var NUM_ARG = '#';
  var TAG_OPN = '<';
  var TAG_CLS = '>';
  var TAG_END = '</';
  var TAG_SELF_CLS = '/>';
  var ESC = '\'';
  var OFFSET = 'offset:';
  var simpleTypes = ['number', 'date', 'time', 'ordinal', 'duration', 'spellout'];
  var submTypes = ['plural', 'select', 'selectordinal'];
  /**
   * parse
   *
   * Turns this:
   *  `You have { numBananas, plural,
   *       =0 {no bananas}
   *      one {a banana}
   *    other {# bananas}
   *  } for sale`
   *
   * into this:
   *  [ "You have ", [ "numBananas", "plural", 0, {
   *       "=0": [ "no bananas" ],
   *      "one": [ "a banana" ],
   *    "other": [ [ '#' ], " bananas" ]
   *  } ], " for sale." ]
   *
   * tokens:
   *  [
   *    [ "text", "You have " ],
   *    [ "syntax", "{" ],
   *    [ "space", " " ],
   *    [ "id", "numBananas" ],
   *    [ "syntax", ", " ],
   *    [ "space", " " ],
   *    [ "type", "plural" ],
   *    [ "syntax", "," ],
   *    [ "space", "\n     " ],
   *    [ "selector", "=0" ],
   *    [ "space", " " ],
   *    [ "syntax", "{" ],
   *    [ "text", "no bananas" ],
   *    [ "syntax", "}" ],
   *    [ "space", "\n    " ],
   *    [ "selector", "one" ],
   *    [ "space", " " ],
   *    [ "syntax", "{" ],
   *    [ "text", "a banana" ],
   *    [ "syntax", "}" ],
   *    [ "space", "\n  " ],
   *    [ "selector", "other" ],
   *    [ "space", " " ],
   *    [ "syntax", "{" ],
   *    [ "syntax", "#" ],
   *    [ "text", " bananas" ],
   *    [ "syntax", "}" ],
   *    [ "space", "\n" ],
   *    [ "syntax", "}" ],
   *    [ "text", " for sale." ]
   *  ]
   **/

  exports = module.exports = function parse(pattern
  /*: string */
  , options
  /*:: ?: { tagsType?: string, tokens?: Token[] } */
  )
  /*: AST */
  {
    return parseAST({
      pattern: String(pattern),
      index: 0,
      tagsType: options && options.tagsType || null,
      tokens: options && options.tokens || null
    }, '');
  };

  function parseAST(current
  /*: Context */
  , parentType
  /*: string */
  )
  /*: AST */
  {
    var pattern = current.pattern;
    var length = pattern.length;
    var elements
    /*: AST */
    = [];
    var start = current.index;
    var text = parseText(current, parentType);
    if (text) elements.push(text);
    if (text && current.tokens) current.tokens.push(['text', pattern.slice(start, current.index)]);

    while (current.index < length) {
      if (pattern[current.index] === ARG_CLS) {
        if (!parentType) throw expected(current);
        break;
      }

      if (parentType && current.tagsType && pattern.slice(current.index, current.index + TAG_END.length) === TAG_END) break;
      elements.push(parsePlaceholder(current));
      start = current.index;
      text = parseText(current, parentType);
      if (text) elements.push(text);
      if (text && current.tokens) current.tokens.push(['text', pattern.slice(start, current.index)]);
    }

    return elements;
  }

  function parseText(current
  /*: Context */
  , parentType
  /*: string */
  )
  /*: string */
  {
    var pattern = current.pattern;
    var length = pattern.length;
    var isHashSpecial = parentType === 'plural' || parentType === 'selectordinal';
    var isAngleSpecial = !!current.tagsType;
    var isArgStyle = parentType === '{style}';
    var text = '';

    while (current.index < length) {
      var char = pattern[current.index];

      if (char === ARG_OPN || char === ARG_CLS || isHashSpecial && char === NUM_ARG || isAngleSpecial && char === TAG_OPN || isArgStyle && isWhitespace(char.charCodeAt(0))) {
        break;
      } else if (char === ESC) {
        char = pattern[++current.index];

        if (char === ESC) {
          // double is always 1 '
          text += char;
          ++current.index;
        } else if ( // only when necessary
        char === ARG_OPN || char === ARG_CLS || isHashSpecial && char === NUM_ARG || isAngleSpecial && char === TAG_OPN || isArgStyle) {
          text += char;

          while (++current.index < length) {
            char = pattern[current.index];

            if (char === ESC && pattern[current.index + 1] === ESC) {
              // double is always 1 '
              text += ESC;
              ++current.index;
            } else if (char === ESC) {
              // end of quoted
              ++current.index;
              break;
            } else {
              text += char;
            }
          }
        } else {
          // lone ' is just a '
          text += ESC; // already incremented
        }
      } else {
        text += char;
        ++current.index;
      }
    }

    return text;
  }

  function isWhitespace(code
  /*: number */
  )
  /*: boolean */
  {
    return code >= 0x09 && code <= 0x0D || code === 0x20 || code === 0x85 || code === 0xA0 || code === 0x180E || code >= 0x2000 && code <= 0x200D || code === 0x2028 || code === 0x2029 || code === 0x202F || code === 0x205F || code === 0x2060 || code === 0x3000 || code === 0xFEFF;
  }

  function skipWhitespace(current
  /*: Context */
  )
  /*: void */
  {
    var pattern = current.pattern;
    var length = pattern.length;
    var start = current.index;

    while (current.index < length && isWhitespace(pattern.charCodeAt(current.index))) {
      ++current.index;
    }

    if (start < current.index && current.tokens) {
      current.tokens.push(['space', current.pattern.slice(start, current.index)]);
    }
  }

  function parsePlaceholder(current
  /*: Context */
  )
  /*: Placeholder */
  {
    var pattern = current.pattern;

    if (pattern[current.index] === NUM_ARG) {
      if (current.tokens) current.tokens.push(['syntax', NUM_ARG]);
      ++current.index; // move passed #

      return [NUM_ARG];
    }

    var tag = parseTag(current);
    if (tag) return tag;
    /* istanbul ignore if should be unreachable if parseAST and parseText are right */

    if (pattern[current.index] !== ARG_OPN) throw expected(current, ARG_OPN);
    if (current.tokens) current.tokens.push(['syntax', ARG_OPN]);
    ++current.index; // move passed {

    skipWhitespace(current);
    var id = parseId(current);
    if (!id) throw expected(current, 'placeholder id');
    if (current.tokens) current.tokens.push(['id', id]);
    skipWhitespace(current);
    var char = pattern[current.index];

    if (char === ARG_CLS) {
      // end placeholder
      if (current.tokens) current.tokens.push(['syntax', ARG_CLS]);
      ++current.index; // move passed }

      return [id];
    }

    if (char !== ARG_SEP) throw expected(current, ARG_SEP + ' or ' + ARG_CLS);
    if (current.tokens) current.tokens.push(['syntax', ARG_SEP]);
    ++current.index; // move passed ,

    skipWhitespace(current);
    var type = parseId(current);
    if (!type) throw expected(current, 'placeholder type');
    if (current.tokens) current.tokens.push(['type', type]);
    skipWhitespace(current);
    char = pattern[current.index];

    if (char === ARG_CLS) {
      // end placeholder
      if (current.tokens) current.tokens.push(['syntax', ARG_CLS]);

      if (type === 'plural' || type === 'selectordinal' || type === 'select') {
        throw expected(current, type + ' sub-messages');
      }

      ++current.index; // move passed }

      return [id, type];
    }

    if (char !== ARG_SEP) throw expected(current, ARG_SEP + ' or ' + ARG_CLS);
    if (current.tokens) current.tokens.push(['syntax', ARG_SEP]);
    ++current.index; // move passed ,

    skipWhitespace(current);
    var arg;

    if (type === 'plural' || type === 'selectordinal') {
      var offset = parsePluralOffset(current);
      skipWhitespace(current);
      arg = [id, type, offset, parseSubMessages(current, type)];
    } else if (type === 'select') {
      arg = [id, type, parseSubMessages(current, type)];
    } else if (simpleTypes.indexOf(type) >= 0) {
      arg = [id, type, parseSimpleFormat(current)];
    } else {
      // custom placeholder type
      var index = current.index;
      var format
      /*: string | SubMessages */
      = parseSimpleFormat(current);
      skipWhitespace(current);

      if (pattern[current.index] === ARG_OPN) {
        current.index = index; // rewind, since should have been submessages

        format = parseSubMessages(current, type);
      }

      arg = [id, type, format];
    }

    skipWhitespace(current);
    if (pattern[current.index] !== ARG_CLS) throw expected(current, ARG_CLS);
    if (current.tokens) current.tokens.push(['syntax', ARG_CLS]);
    ++current.index; // move passed }

    return arg;
  }

  function parseTag(current
  /*: Context */
  )
  /*: ?Placeholder */
  {
    var tagsType = current.tagsType;
    if (!tagsType || current.pattern[current.index] !== TAG_OPN) return;

    if (current.pattern.slice(current.index, current.index + TAG_END.length) === TAG_END) {
      throw expected(current, null, 'closing tag without matching opening tag');
    }

    if (current.tokens) current.tokens.push(['syntax', TAG_OPN]);
    ++current.index; // move passed <

    var id = parseId(current, true);
    if (!id) throw expected(current, 'placeholder id');
    if (current.tokens) current.tokens.push(['id', id]);
    skipWhitespace(current);

    if (current.pattern.slice(current.index, current.index + TAG_SELF_CLS.length) === TAG_SELF_CLS) {
      if (current.tokens) current.tokens.push(['syntax', TAG_SELF_CLS]);
      current.index += TAG_SELF_CLS.length;
      return [id, tagsType];
    }

    if (current.pattern[current.index] !== TAG_CLS) throw expected(current, TAG_CLS);
    if (current.tokens) current.tokens.push(['syntax', TAG_CLS]);
    ++current.index; // move passed >

    var children = parseAST(current, tagsType);
    var end = current.index;
    if (current.pattern.slice(current.index, current.index + TAG_END.length) !== TAG_END) throw expected(current, TAG_END + id + TAG_CLS);
    if (current.tokens) current.tokens.push(['syntax', TAG_END]);
    current.index += TAG_END.length;
    var closeId = parseId(current, true);
    if (closeId && current.tokens) current.tokens.push(['id', closeId]);

    if (id !== closeId) {
      current.index = end; // rewind for better error message

      throw expected(current, TAG_END + id + TAG_CLS, TAG_END + closeId + TAG_CLS);
    }

    skipWhitespace(current);
    if (current.pattern[current.index] !== TAG_CLS) throw expected(current, TAG_CLS);
    if (current.tokens) current.tokens.push(['syntax', TAG_CLS]);
    ++current.index; // move passed >

    return [id, tagsType, {
      children: children
    }];
  }

  function parseId(current
  /*: Context */
  , isTag
  /*:: ?: boolean */
  )
  /*: string */
  {
    var pattern = current.pattern;
    var length = pattern.length;
    var id = '';

    while (current.index < length) {
      var char = pattern[current.index];
      if (char === ARG_OPN || char === ARG_CLS || char === ARG_SEP || char === NUM_ARG || char === ESC || isWhitespace(char.charCodeAt(0)) || isTag && (char === TAG_OPN || char === TAG_CLS || char === '/')) break;
      id += char;
      ++current.index;
    }

    return id;
  }

  function parseSimpleFormat(current
  /*: Context */
  )
  /*: string */
  {
    var start = current.index;
    var style = parseText(current, '{style}');
    if (!style) throw expected(current, 'placeholder style name');
    if (current.tokens) current.tokens.push(['style', current.pattern.slice(start, current.index)]);
    return style;
  }

  function parsePluralOffset(current
  /*: Context */
  )
  /*: number */
  {
    var pattern = current.pattern;
    var length = pattern.length;
    var offset = 0;

    if (pattern.slice(current.index, current.index + OFFSET.length) === OFFSET) {
      if (current.tokens) current.tokens.push(['offset', 'offset'], ['syntax', ':']);
      current.index += OFFSET.length; // move passed offset:

      skipWhitespace(current);
      var start = current.index;

      while (current.index < length && isDigit(pattern.charCodeAt(current.index))) {
        ++current.index;
      }

      if (start === current.index) throw expected(current, 'offset number');
      if (current.tokens) current.tokens.push(['number', pattern.slice(start, current.index)]);
      offset = +pattern.slice(start, current.index);
    }

    return offset;
  }

  function isDigit(code
  /*: number */
  )
  /*: boolean */
  {
    return code >= 0x30 && code <= 0x39;
  }

  function parseSubMessages(current
  /*: Context */
  , parentType
  /*: string */
  )
  /*: SubMessages */
  {
    var pattern = current.pattern;
    var length = pattern.length;
    var options
    /*: SubMessages */
    = {};

    while (current.index < length && pattern[current.index] !== ARG_CLS) {
      var selector = parseId(current);
      if (!selector) throw expected(current, 'sub-message selector');
      if (current.tokens) current.tokens.push(['selector', selector]);
      skipWhitespace(current);
      options[selector] = parseSubMessage(current, parentType);
      skipWhitespace(current);
    }

    if (!options.other && submTypes.indexOf(parentType) >= 0) {
      throw expected(current, null, null, '"other" sub-message must be specified in ' + parentType);
    }

    return options;
  }

  function parseSubMessage(current
  /*: Context */
  , parentType
  /*: string */
  )
  /*: AST */
  {
    if (current.pattern[current.index] !== ARG_OPN) throw expected(current, ARG_OPN + ' to start sub-message');
    if (current.tokens) current.tokens.push(['syntax', ARG_OPN]);
    ++current.index; // move passed {

    var message = parseAST(current, parentType);
    if (current.pattern[current.index] !== ARG_CLS) throw expected(current, ARG_CLS + ' to end sub-message');
    if (current.tokens) current.tokens.push(['syntax', ARG_CLS]);
    ++current.index; // move passed }

    return message;
  }

  function expected(current
  /*: Context */
  , expected
  /*:: ?: ?string */
  , found
  /*:: ?: ?string */
  , message
  /*:: ?: string */
  ) {
    var pattern = current.pattern;
    var lines = pattern.slice(0, current.index).split(/\r?\n/);
    var offset = current.index;
    var line = lines.length;
    var column = lines.slice(-1)[0].length;
    found = found || (current.index >= pattern.length ? 'end of message pattern' : parseId(current) || pattern[current.index]);
    if (!message) message = errorMessage(expected, found);
    message += ' in ' + pattern.replace(/\r?\n/g, '\n');
    return new SyntaxError(message, expected, found, offset, line, column);
  }

  function errorMessage(expected
  /*: ?string */
  , found
  /* string */
  ) {
    if (!expected) return 'Unexpected ' + found + ' found';
    return 'Expected ' + expected + ' but found ' + found;
  }
  /**
   * SyntaxError
   *  Holds information about bad syntax found in a message pattern
   **/


  function SyntaxError(message
  /*: string */
  , expected
  /*: ?string */
  , found
  /*: ?string */
  , offset
  /*: number */
  , line
  /*: number */
  , column
  /*: number */
  ) {
    Error.call(this, message);
    this.name = 'SyntaxError';
    this.message = message;
    this.expected = expected;
    this.found = found;
    this.offset = offset;
    this.line = line;
    this.column = column;
  }

  SyntaxError.prototype = Object.create(Error.prototype);
  exports.SyntaxError = SyntaxError;
});

// @flow
var LONG = 'long';
var SHORT = 'short';
var NARROW = 'narrow';
var NUMERIC = 'numeric';
var TWODIGIT = '2-digit';
/**
 * formatting information
 **/

var formatMessageFormats = {
  number: {
    decimal: {
      style: 'decimal'
    },
    integer: {
      style: 'decimal',
      maximumFractionDigits: 0
    },
    currency: {
      style: 'currency',
      currency: 'USD'
    },
    percent: {
      style: 'percent'
    },
    default: {
      style: 'decimal'
    }
  },
  date: {
    short: {
      month: NUMERIC,
      day: NUMERIC,
      year: TWODIGIT
    },
    medium: {
      month: SHORT,
      day: NUMERIC,
      year: NUMERIC
    },
    long: {
      month: LONG,
      day: NUMERIC,
      year: NUMERIC
    },
    full: {
      month: LONG,
      day: NUMERIC,
      year: NUMERIC,
      weekday: LONG
    },
    default: {
      month: SHORT,
      day: NUMERIC,
      year: NUMERIC
    }
  },
  time: {
    short: {
      hour: NUMERIC,
      minute: NUMERIC
    },
    medium: {
      hour: NUMERIC,
      minute: NUMERIC,
      second: NUMERIC
    },
    long: {
      hour: NUMERIC,
      minute: NUMERIC,
      second: NUMERIC,
      timeZoneName: SHORT
    },
    full: {
      hour: NUMERIC,
      minute: NUMERIC,
      second: NUMERIC,
      timeZoneName: SHORT
    },
    default: {
      hour: NUMERIC,
      minute: NUMERIC,
      second: NUMERIC
    }
  },
  duration: {
    default: {
      hours: {
        minimumIntegerDigits: 1,
        maximumFractionDigits: 0
      },
      minutes: {
        minimumIntegerDigits: 2,
        maximumFractionDigits: 0
      },
      seconds: {
        minimumIntegerDigits: 2,
        maximumFractionDigits: 3
      }
    }
  },
  parseNumberPattern: function parseNumberPattern(pattern
  /*: ?string */
  ) {
    if (!pattern) return;
    var options = {};
    var currency = pattern.match(/\b[A-Z]{3}\b/i);
    var syms = pattern.replace(/[^¤]/g, '').length;
    if (!syms && currency) syms = 1;

    if (syms) {
      options.style = 'currency';
      options.currencyDisplay = syms === 1 ? 'symbol' : syms === 2 ? 'code' : 'name';
      options.currency = currency ? currency[0].toUpperCase() : 'USD';
    } else if (pattern.indexOf('%') >= 0) {
      options.style = 'percent';
    }

    if (!/[@#0]/.test(pattern)) return options.style ? options : undefined;
    options.useGrouping = pattern.indexOf(',') >= 0;

    if (/E\+?[@#0]+/i.test(pattern) || pattern.indexOf('@') >= 0) {
      var size = pattern.replace(/E\+?[@#0]+|[^@#0]/gi, '');
      options.minimumSignificantDigits = Math.min(Math.max(size.replace(/[^@0]/g, '').length, 1), 21);
      options.maximumSignificantDigits = Math.min(Math.max(size.length, 1), 21);
    } else {
      var parts = pattern.replace(/[^#0.]/g, '').split('.');
      var integer = parts[0];
      var n = integer.length - 1;

      while (integer[n] === '0') {
        --n;
      }

      options.minimumIntegerDigits = Math.min(Math.max(integer.length - 1 - n, 1), 21);
      var fraction = parts[1] || '';
      n = 0;

      while (fraction[n] === '0') {
        ++n;
      }

      options.minimumFractionDigits = Math.min(Math.max(n, 0), 20);

      while (fraction[n] === '#') {
        ++n;
      }

      options.maximumFractionDigits = Math.min(Math.max(n, 0), 20);
    }

    return options;
  },
  parseDatePattern: function parseDatePattern(pattern
  /*: ?string */
  ) {
    if (!pattern) return;
    var options = {};

    for (var i = 0; i < pattern.length;) {
      var current = pattern[i];
      var n = 1;

      while (pattern[++i] === current) {
        ++n;
      }

      switch (current) {
        case 'G':
          options.era = n === 5 ? NARROW : n === 4 ? LONG : SHORT;
          break;

        case 'y':
        case 'Y':
          options.year = n === 2 ? TWODIGIT : NUMERIC;
          break;

        case 'M':
        case 'L':
          n = Math.min(Math.max(n - 1, 0), 4);
          options.month = [NUMERIC, TWODIGIT, SHORT, LONG, NARROW][n];
          break;

        case 'E':
        case 'e':
        case 'c':
          options.weekday = n === 5 ? NARROW : n === 4 ? LONG : SHORT;
          break;

        case 'd':
        case 'D':
          options.day = n === 2 ? TWODIGIT : NUMERIC;
          break;

        case 'h':
        case 'K':
          options.hour12 = true;
          options.hour = n === 2 ? TWODIGIT : NUMERIC;
          break;

        case 'H':
        case 'k':
          options.hour12 = false;
          options.hour = n === 2 ? TWODIGIT : NUMERIC;
          break;

        case 'm':
          options.minute = n === 2 ? TWODIGIT : NUMERIC;
          break;

        case 's':
        case 'S':
          options.second = n === 2 ? TWODIGIT : NUMERIC;
          break;

        case 'z':
        case 'Z':
        case 'v':
        case 'V':
          options.timeZoneName = n === 1 ? SHORT : LONG;
          break;
      }
    }

    return Object.keys(options).length ? options : undefined;
  }
};

// @flow
// "lookup" algorithm http://tools.ietf.org/html/rfc4647#section-3.4
// assumes normalized language tags, and matches in a case sensitive manner
var lookupClosestLocale = function lookupClosestLocale(locale
/*: string | string[] | void */
, available
/*: { [string]: any } */
)
/*: ?string */
{
  if (typeof locale === 'string' && available[locale]) return locale;
  var locales = [].concat(locale || []);

  for (var l = 0, ll = locales.length; l < ll; ++l) {
    var current = locales[l].split('-');

    while (current.length) {
      var candidate = current.join('-');
      if (available[candidate]) return candidate;
      current.pop();
    }
  }
};

// @flow
/*:: export type Rule = 'zero' | 'one' | 'two' | 'few' | 'many' | 'other' */

var zero = 'zero',
    one = 'one',
    two = 'two',
    few = 'few',
    many = 'many',
    other = 'other';
var f = [function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return 0 <= n && n <= 1 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var n = +s;
  return i === 0 || n === 1 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 0 ? zero : n === 1 ? one : n === 2 ? two : 3 <= n % 100 && n % 100 <= 10 ? few : 11 <= n % 100 && n % 100 <= 99 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  return i === 1 && v === 0 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n % 10 === 1 && n % 100 !== 11 ? one : 2 <= n % 10 && n % 10 <= 4 && (n % 100 < 12 || 14 < n % 100) ? few : n % 10 === 0 || 5 <= n % 10 && n % 10 <= 9 || 11 <= n % 100 && n % 100 <= 14 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n % 10 === 1 && n % 100 !== 11 && n % 100 !== 71 && n % 100 !== 91 ? one : n % 10 === 2 && n % 100 !== 12 && n % 100 !== 72 && n % 100 !== 92 ? two : (3 <= n % 10 && n % 10 <= 4 || n % 10 === 9) && (n % 100 < 10 || 19 < n % 100) && (n % 100 < 70 || 79 < n % 100) && (n % 100 < 90 || 99 < n % 100) ? few : n !== 0 && n % 1000000 === 0 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  var f = +(s + '.').split('.')[1];
  return v === 0 && i % 10 === 1 && i % 100 !== 11 || f % 10 === 1 && f % 100 !== 11 ? one : v === 0 && 2 <= i % 10 && i % 10 <= 4 && (i % 100 < 12 || 14 < i % 100) || 2 <= f % 10 && f % 10 <= 4 && (f % 100 < 12 || 14 < f % 100) ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  return i === 1 && v === 0 ? one : 2 <= i && i <= 4 && v === 0 ? few : v !== 0 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 0 ? zero : n === 1 ? one : n === 2 ? two : n === 3 ? few : n === 6 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var t = +('' + s).replace(/^[^.]*.?|0+$/g, '');
  var n = +s;
  return n === 1 || t !== 0 && (i === 0 || i === 1) ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  var f = +(s + '.').split('.')[1];
  return v === 0 && i % 100 === 1 || f % 100 === 1 ? one : v === 0 && i % 100 === 2 || f % 100 === 2 ? two : v === 0 && 3 <= i % 100 && i % 100 <= 4 || 3 <= f % 100 && f % 100 <= 4 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  return i === 0 || i === 1 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  var f = +(s + '.').split('.')[1];
  return v === 0 && (i === 1 || i === 2 || i === 3) || v === 0 && i % 10 !== 4 && i % 10 !== 6 && i % 10 !== 9 || v !== 0 && f % 10 !== 4 && f % 10 !== 6 && f % 10 !== 9 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 ? one : n === 2 ? two : 3 <= n && n <= 6 ? few : 7 <= n && n <= 10 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 || n === 11 ? one : n === 2 || n === 12 ? two : 3 <= n && n <= 10 || 13 <= n && n <= 19 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  return v === 0 && i % 10 === 1 ? one : v === 0 && i % 10 === 2 ? two : v === 0 && (i % 100 === 0 || i % 100 === 20 || i % 100 === 40 || i % 100 === 60 || i % 100 === 80) ? few : v !== 0 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  var n = +s;
  return i === 1 && v === 0 ? one : i === 2 && v === 0 ? two : v === 0 && (n < 0 || 10 < n) && n % 10 === 0 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var t = +('' + s).replace(/^[^.]*.?|0+$/g, '');
  return t === 0 && i % 10 === 1 && i % 100 !== 11 || t !== 0 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 ? one : n === 2 ? two : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 0 ? zero : n === 1 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var n = +s;
  return n === 0 ? zero : (i === 0 || i === 1) && n !== 0 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var f = +(s + '.').split('.')[1];
  var n = +s;
  return n % 10 === 1 && (n % 100 < 11 || 19 < n % 100) ? one : 2 <= n % 10 && n % 10 <= 9 && (n % 100 < 11 || 19 < n % 100) ? few : f !== 0 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var v = (s + '.').split('.')[1].length;
  var f = +(s + '.').split('.')[1];
  var n = +s;
  return n % 10 === 0 || 11 <= n % 100 && n % 100 <= 19 || v === 2 && 11 <= f % 100 && f % 100 <= 19 ? zero : n % 10 === 1 && n % 100 !== 11 || v === 2 && f % 10 === 1 && f % 100 !== 11 || v !== 2 && f % 10 === 1 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  var f = +(s + '.').split('.')[1];
  return v === 0 && i % 10 === 1 && i % 100 !== 11 || f % 10 === 1 && f % 100 !== 11 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  var n = +s;
  return i === 1 && v === 0 ? one : v !== 0 || n === 0 || n !== 1 && 1 <= n % 100 && n % 100 <= 19 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 ? one : n === 0 || 2 <= n % 100 && n % 100 <= 10 ? few : 11 <= n % 100 && n % 100 <= 19 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  return i === 1 && v === 0 ? one : v === 0 && 2 <= i % 10 && i % 10 <= 4 && (i % 100 < 12 || 14 < i % 100) ? few : v === 0 && i !== 1 && 0 <= i % 10 && i % 10 <= 1 || v === 0 && 5 <= i % 10 && i % 10 <= 9 || v === 0 && 12 <= i % 100 && i % 100 <= 14 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  return 0 <= i && i <= 1 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  return v === 0 && i % 10 === 1 && i % 100 !== 11 ? one : v === 0 && 2 <= i % 10 && i % 10 <= 4 && (i % 100 < 12 || 14 < i % 100) ? few : v === 0 && i % 10 === 0 || v === 0 && 5 <= i % 10 && i % 10 <= 9 || v === 0 && 11 <= i % 100 && i % 100 <= 14 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var n = +s;
  return i === 0 || n === 1 ? one : 2 <= n && n <= 10 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var f = +(s + '.').split('.')[1];
  var n = +s;
  return n === 0 || n === 1 || i === 0 && f === 1 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  var v = (s + '.').split('.')[1].length;
  return v === 0 && i % 100 === 1 ? one : v === 0 && i % 100 === 2 ? two : v === 0 && 3 <= i % 100 && i % 100 <= 4 || v !== 0 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return 0 <= n && n <= 1 || 11 <= n && n <= 99 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 || n === 5 || n === 7 || n === 8 || n === 9 || n === 10 ? one : n === 2 || n === 3 ? two : n === 4 ? few : n === 6 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  return i % 10 === 1 || i % 10 === 2 || i % 10 === 5 || i % 10 === 7 || i % 10 === 8 || i % 100 === 20 || i % 100 === 50 || i % 100 === 70 || i % 100 === 80 ? one : i % 10 === 3 || i % 10 === 4 || i % 1000 === 100 || i % 1000 === 200 || i % 1000 === 300 || i % 1000 === 400 || i % 1000 === 500 || i % 1000 === 600 || i % 1000 === 700 || i % 1000 === 800 || i % 1000 === 900 ? few : i === 0 || i % 10 === 6 || i % 100 === 40 || i % 100 === 60 || i % 100 === 90 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return (n % 10 === 2 || n % 10 === 3) && n % 100 !== 12 && n % 100 !== 13 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 || n === 3 ? one : n === 2 ? two : n === 4 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 0 || n === 7 || n === 8 || n === 9 ? zero : n === 1 ? one : n === 2 ? two : n === 3 || n === 4 ? few : n === 5 || n === 6 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n % 10 === 1 && n % 100 !== 11 ? one : n % 10 === 2 && n % 100 !== 12 ? two : n % 10 === 3 && n % 100 !== 13 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 || n === 11 ? one : n === 2 || n === 12 ? two : n === 3 || n === 13 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 ? one : n === 2 || n === 3 ? two : n === 4 ? few : n === 6 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 || n === 5 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 11 || n === 8 || n === 80 || n === 800 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  return i === 1 ? one : i === 0 || 2 <= i % 100 && i % 100 <= 20 || i % 100 === 40 || i % 100 === 60 || i % 100 === 80 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n % 10 === 6 || n % 10 === 9 || n % 10 === 0 && n !== 0 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var i = Math.floor(Math.abs(+s));
  return i % 10 === 1 && i % 100 !== 11 ? one : i % 10 === 2 && i % 100 !== 12 ? two : (i % 10 === 7 || i % 10 === 8) && i % 100 !== 17 && i % 100 !== 18 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 ? one : n === 2 || n === 3 ? two : n === 4 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return 1 <= n && n <= 4 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 || n === 5 || 7 <= n && n <= 9 ? one : n === 2 || n === 3 ? two : n === 4 ? few : n === 6 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n === 1 ? one : n % 10 === 4 && n % 100 !== 14 ? many : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return (n % 10 === 1 || n % 10 === 2) && n % 100 !== 11 && n % 100 !== 12 ? one : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n % 10 === 6 || n % 10 === 9 || n === 10 ? few : other;
}, function (s
/*: string | number */
)
/*: Rule */
{
  var n = +s;
  return n % 10 === 3 && n % 100 !== 13 ? few : other;
}];
var plurals = {
  af: {
    cardinal: f[0]
  },
  ak: {
    cardinal: f[1]
  },
  am: {
    cardinal: f[2]
  },
  ar: {
    cardinal: f[3]
  },
  ars: {
    cardinal: f[3]
  },
  as: {
    cardinal: f[2],
    ordinal: f[34]
  },
  asa: {
    cardinal: f[0]
  },
  ast: {
    cardinal: f[4]
  },
  az: {
    cardinal: f[0],
    ordinal: f[35]
  },
  be: {
    cardinal: f[5],
    ordinal: f[36]
  },
  bem: {
    cardinal: f[0]
  },
  bez: {
    cardinal: f[0]
  },
  bg: {
    cardinal: f[0]
  },
  bh: {
    cardinal: f[1]
  },
  bn: {
    cardinal: f[2],
    ordinal: f[34]
  },
  br: {
    cardinal: f[6]
  },
  brx: {
    cardinal: f[0]
  },
  bs: {
    cardinal: f[7]
  },
  ca: {
    cardinal: f[4],
    ordinal: f[37]
  },
  ce: {
    cardinal: f[0]
  },
  cgg: {
    cardinal: f[0]
  },
  chr: {
    cardinal: f[0]
  },
  ckb: {
    cardinal: f[0]
  },
  cs: {
    cardinal: f[8]
  },
  cy: {
    cardinal: f[9],
    ordinal: f[38]
  },
  da: {
    cardinal: f[10]
  },
  de: {
    cardinal: f[4]
  },
  dsb: {
    cardinal: f[11]
  },
  dv: {
    cardinal: f[0]
  },
  ee: {
    cardinal: f[0]
  },
  el: {
    cardinal: f[0]
  },
  en: {
    cardinal: f[4],
    ordinal: f[39]
  },
  eo: {
    cardinal: f[0]
  },
  es: {
    cardinal: f[0]
  },
  et: {
    cardinal: f[4]
  },
  eu: {
    cardinal: f[0]
  },
  fa: {
    cardinal: f[2]
  },
  ff: {
    cardinal: f[12]
  },
  fi: {
    cardinal: f[4]
  },
  fil: {
    cardinal: f[13],
    ordinal: f[0]
  },
  fo: {
    cardinal: f[0]
  },
  fr: {
    cardinal: f[12],
    ordinal: f[0]
  },
  fur: {
    cardinal: f[0]
  },
  fy: {
    cardinal: f[4]
  },
  ga: {
    cardinal: f[14],
    ordinal: f[0]
  },
  gd: {
    cardinal: f[15],
    ordinal: f[40]
  },
  gl: {
    cardinal: f[4]
  },
  gsw: {
    cardinal: f[0]
  },
  gu: {
    cardinal: f[2],
    ordinal: f[41]
  },
  guw: {
    cardinal: f[1]
  },
  gv: {
    cardinal: f[16]
  },
  ha: {
    cardinal: f[0]
  },
  haw: {
    cardinal: f[0]
  },
  he: {
    cardinal: f[17]
  },
  hi: {
    cardinal: f[2],
    ordinal: f[41]
  },
  hr: {
    cardinal: f[7]
  },
  hsb: {
    cardinal: f[11]
  },
  hu: {
    cardinal: f[0],
    ordinal: f[42]
  },
  hy: {
    cardinal: f[12],
    ordinal: f[0]
  },
  ia: {
    cardinal: f[4]
  },
  io: {
    cardinal: f[4]
  },
  is: {
    cardinal: f[18]
  },
  it: {
    cardinal: f[4],
    ordinal: f[43]
  },
  iu: {
    cardinal: f[19]
  },
  iw: {
    cardinal: f[17]
  },
  jgo: {
    cardinal: f[0]
  },
  ji: {
    cardinal: f[4]
  },
  jmc: {
    cardinal: f[0]
  },
  ka: {
    cardinal: f[0],
    ordinal: f[44]
  },
  kab: {
    cardinal: f[12]
  },
  kaj: {
    cardinal: f[0]
  },
  kcg: {
    cardinal: f[0]
  },
  kk: {
    cardinal: f[0],
    ordinal: f[45]
  },
  kkj: {
    cardinal: f[0]
  },
  kl: {
    cardinal: f[0]
  },
  kn: {
    cardinal: f[2]
  },
  ks: {
    cardinal: f[0]
  },
  ksb: {
    cardinal: f[0]
  },
  ksh: {
    cardinal: f[20]
  },
  ku: {
    cardinal: f[0]
  },
  kw: {
    cardinal: f[19]
  },
  ky: {
    cardinal: f[0]
  },
  lag: {
    cardinal: f[21]
  },
  lb: {
    cardinal: f[0]
  },
  lg: {
    cardinal: f[0]
  },
  ln: {
    cardinal: f[1]
  },
  lt: {
    cardinal: f[22]
  },
  lv: {
    cardinal: f[23]
  },
  mas: {
    cardinal: f[0]
  },
  mg: {
    cardinal: f[1]
  },
  mgo: {
    cardinal: f[0]
  },
  mk: {
    cardinal: f[24],
    ordinal: f[46]
  },
  ml: {
    cardinal: f[0]
  },
  mn: {
    cardinal: f[0]
  },
  mo: {
    cardinal: f[25],
    ordinal: f[0]
  },
  mr: {
    cardinal: f[2],
    ordinal: f[47]
  },
  mt: {
    cardinal: f[26]
  },
  nah: {
    cardinal: f[0]
  },
  naq: {
    cardinal: f[19]
  },
  nb: {
    cardinal: f[0]
  },
  nd: {
    cardinal: f[0]
  },
  ne: {
    cardinal: f[0],
    ordinal: f[48]
  },
  nl: {
    cardinal: f[4]
  },
  nn: {
    cardinal: f[0]
  },
  nnh: {
    cardinal: f[0]
  },
  no: {
    cardinal: f[0]
  },
  nr: {
    cardinal: f[0]
  },
  nso: {
    cardinal: f[1]
  },
  ny: {
    cardinal: f[0]
  },
  nyn: {
    cardinal: f[0]
  },
  om: {
    cardinal: f[0]
  },
  or: {
    cardinal: f[0],
    ordinal: f[49]
  },
  os: {
    cardinal: f[0]
  },
  pa: {
    cardinal: f[1]
  },
  pap: {
    cardinal: f[0]
  },
  pl: {
    cardinal: f[27]
  },
  prg: {
    cardinal: f[23]
  },
  ps: {
    cardinal: f[0]
  },
  pt: {
    cardinal: f[28]
  },
  'pt-PT': {
    cardinal: f[4]
  },
  rm: {
    cardinal: f[0]
  },
  ro: {
    cardinal: f[25],
    ordinal: f[0]
  },
  rof: {
    cardinal: f[0]
  },
  ru: {
    cardinal: f[29]
  },
  rwk: {
    cardinal: f[0]
  },
  saq: {
    cardinal: f[0]
  },
  sc: {
    cardinal: f[4],
    ordinal: f[43]
  },
  scn: {
    cardinal: f[4],
    ordinal: f[43]
  },
  sd: {
    cardinal: f[0]
  },
  sdh: {
    cardinal: f[0]
  },
  se: {
    cardinal: f[19]
  },
  seh: {
    cardinal: f[0]
  },
  sh: {
    cardinal: f[7]
  },
  shi: {
    cardinal: f[30]
  },
  si: {
    cardinal: f[31]
  },
  sk: {
    cardinal: f[8]
  },
  sl: {
    cardinal: f[32]
  },
  sma: {
    cardinal: f[19]
  },
  smi: {
    cardinal: f[19]
  },
  smj: {
    cardinal: f[19]
  },
  smn: {
    cardinal: f[19]
  },
  sms: {
    cardinal: f[19]
  },
  sn: {
    cardinal: f[0]
  },
  so: {
    cardinal: f[0]
  },
  sq: {
    cardinal: f[0],
    ordinal: f[50]
  },
  sr: {
    cardinal: f[7]
  },
  ss: {
    cardinal: f[0]
  },
  ssy: {
    cardinal: f[0]
  },
  st: {
    cardinal: f[0]
  },
  sv: {
    cardinal: f[4],
    ordinal: f[51]
  },
  sw: {
    cardinal: f[4]
  },
  syr: {
    cardinal: f[0]
  },
  ta: {
    cardinal: f[0]
  },
  te: {
    cardinal: f[0]
  },
  teo: {
    cardinal: f[0]
  },
  ti: {
    cardinal: f[1]
  },
  tig: {
    cardinal: f[0]
  },
  tk: {
    cardinal: f[0],
    ordinal: f[52]
  },
  tl: {
    cardinal: f[13],
    ordinal: f[0]
  },
  tn: {
    cardinal: f[0]
  },
  tr: {
    cardinal: f[0]
  },
  ts: {
    cardinal: f[0]
  },
  tzm: {
    cardinal: f[33]
  },
  ug: {
    cardinal: f[0]
  },
  uk: {
    cardinal: f[29],
    ordinal: f[53]
  },
  ur: {
    cardinal: f[4]
  },
  uz: {
    cardinal: f[0]
  },
  ve: {
    cardinal: f[0]
  },
  vo: {
    cardinal: f[0]
  },
  vun: {
    cardinal: f[0]
  },
  wa: {
    cardinal: f[1]
  },
  wae: {
    cardinal: f[0]
  },
  xh: {
    cardinal: f[0]
  },
  xog: {
    cardinal: f[0]
  },
  yi: {
    cardinal: f[4]
  },
  zu: {
    cardinal: f[2]
  },
  lo: {
    ordinal: f[0]
  },
  ms: {
    ordinal: f[0]
  },
  vi: {
    ordinal: f[0]
  }
};

var formatMessageInterpret = createCommonjsModule(function (module, exports) {
  /*::
  import type {
    AST,
    SubMessages
  } from '../format-message-parse'
  type Locale = string
  type Locales = Locale | Locale[]
  type Placeholder = any[] // https://github.com/facebook/flow/issues/4050
  export type Type = (Placeholder, Locales) => (any, ?Object) => any
  export type Types = { [string]: Type }
  */

  exports = module.exports = function interpret(ast
  /*: AST */
  , locale
  /*:: ?: Locales */
  , types
  /*:: ?: Types */
  )
  /*: (args?: Object) => string */
  {
    return interpretAST(ast, null, locale || 'en', types || {}, true);
  };

  exports.toParts = function toParts(ast
  /*: AST */
  , locale
  /*:: ?: Locales */
  , types
  /*:: ?: Types */
  )
  /*: (args?: Object) => any[] */
  {
    return interpretAST(ast, null, locale || 'en', types || {}, false);
  };

  function interpretAST(elements
  /*: any[] */
  , parent
  /*: ?Placeholder */
  , locale
  /*: Locales */
  , types
  /*: Types */
  , join
  /*: boolean */
  )
  /*: Function */
  {
    var parts = elements.map(function (element) {
      return interpretElement(element, parent, locale, types, join);
    });

    if (!join) {
      return function format(args) {
        return parts.reduce(function (parts, part) {
          return parts.concat(part(args));
        }, []);
      };
    }

    if (parts.length === 1) return parts[0];
    return function format(args) {
      var message = '';

      for (var e = 0; e < parts.length; ++e) {
        message += parts[e](args);
      }

      return message;
    };
  }

  function interpretElement(element
  /*: Placeholder */
  , parent
  /*: ?Placeholder */
  , locale
  /*: Locales */
  , types
  /*: Types */
  , join
  /*: boolean */
  )
  /*: Function */
  {
    if (typeof element === 'string') {
      var value
      /*: string */
      = element;
      return function format() {
        return value;
      };
    }

    var id = element[0];
    var type = element[1];

    if (parent && element[0] === '#') {
      id = parent[0];
      var offset = parent[2];
      var formatter = (types.number || defaults.number)([id, 'number'], locale);
      return function format(args) {
        return formatter(getArg(id, args) - offset, args);
      };
    } // pre-process children


    var children;

    if (type === 'plural' || type === 'selectordinal') {
      children = {};
      Object.keys(element[3]).forEach(function (key) {
        children[key] = interpretAST(element[3][key], element, locale, types, join);
      });
      element = [element[0], element[1], element[2], children];
    } else if (element[2] && _typeof$1(element[2]) === 'object') {
      children = {};
      Object.keys(element[2]).forEach(function (key) {
        children[key] = interpretAST(element[2][key], element, locale, types, join);
      });
      element = [element[0], element[1], children];
    }

    var getFrmt = type && (types[type] || defaults[type]);

    if (getFrmt) {
      var frmt = getFrmt(element, locale);
      return function format(args) {
        return frmt(getArg(id, args), args);
      };
    }

    return join ? function format(args) {
      return String(getArg(id, args));
    } : function format(args) {
      return getArg(id, args);
    };
  }

  function getArg(id
  /*: string */
  , args
  /*: ?Object */
  )
  /*: any */
  {
    if (args && id in args) return args[id];
    var parts = id.split('.');
    var a = args;

    for (var i = 0, ii = parts.length; a && i < ii; ++i) {
      a = a[parts[i]];
    }

    return a;
  }

  function interpretNumber(element
  /*: Placeholder */
  , locales
  /*: Locales */
  ) {
    var style = element[2];
    var options = formatMessageFormats.number[style] || formatMessageFormats.parseNumberPattern(style) || formatMessageFormats.number.default;
    return new Intl.NumberFormat(locales, options).format;
  }

  function interpretDuration(element
  /*: Placeholder */
  , locales
  /*: Locales */
  ) {
    var style = element[2];
    var options = formatMessageFormats.duration[style] || formatMessageFormats.duration.default;
    var fs = new Intl.NumberFormat(locales, options.seconds).format;
    var fm = new Intl.NumberFormat(locales, options.minutes).format;
    var fh = new Intl.NumberFormat(locales, options.hours).format;
    var sep = /^fi$|^fi-|^da/.test(String(locales)) ? '.' : ':';
    return function (s, args) {
      s = +s;
      if (!isFinite(s)) return fs(s);
      var h = ~~(s / 60 / 60); // ~~ acts much like Math.trunc

      var m = ~~(s / 60 % 60);
      var dur = (h ? fh(Math.abs(h)) + sep : '') + fm(Math.abs(m)) + sep + fs(Math.abs(s % 60));
      return s < 0 ? fh(-1).replace(fh(1), dur) : dur;
    };
  }

  function interpretDateTime(element
  /*: Placeholder */
  , locales
  /*: Locales */
  ) {
    var type = element[1];
    var style = element[2];
    var options = formatMessageFormats[type][style] || formatMessageFormats.parseDatePattern(style) || formatMessageFormats[type].default;
    return new Intl.DateTimeFormat(locales, options).format;
  }

  function interpretPlural(element
  /*: Placeholder */
  , locales
  /*: Locales */
  ) {
    var type = element[1];
    var pluralType = type === 'selectordinal' ? 'ordinal' : 'cardinal';
    var offset = element[2];
    var children = element[3];
    var pluralRules;

    if (Intl.PluralRules && Intl.PluralRules.supportedLocalesOf(locales).length > 0) {
      pluralRules = new Intl.PluralRules(locales, {
        type: pluralType
      });
    } else {
      var locale = lookupClosestLocale(locales, plurals);
      var select = locale && plurals[locale][pluralType] || returnOther;
      pluralRules = {
        select: select
      };
    }

    return function (value, args) {
      var clause = children['=' + +value] || children[pluralRules.select(value - offset)] || children.other;
      return clause(args);
    };
  }

  function returnOther()
  /*:: n:number */
  {
    return 'other';
  }

  function interpretSelect(element
  /*: Placeholder */
  , locales
  /*: Locales */
  ) {
    var children = element[2];
    return function (value, args) {
      var clause = children[value] || children.other;
      return clause(args);
    };
  }

  var defaults
  /*: Types */
  = {
    number: interpretNumber,
    ordinal: interpretNumber,
    // TODO: support rbnf
    spellout: interpretNumber,
    // TODO: support rbnf
    duration: interpretDuration,
    date: interpretDateTime,
    time: interpretDateTime,
    plural: interpretPlural,
    selectordinal: interpretPlural,
    select: interpretSelect
  };
  exports.types = defaults;
});

var formatMessage$1 = createCommonjsModule(function (module, exports) {
  /*::
  import type { Types } from 'format-message-interpret'
  type Locale = string
  type Locales = Locale | Locale[]
  type Message = string | {|
    id?: string,
    default: string,
    description?: string
  |}
  type Translations = { [string]: ?{ [string]: string | Translation } }
  type Translation = {
    message: string,
    format?: (args?: Object) => string,
    toParts?: (args?: Object) => any[],
  }
  type Replacement = ?string | (string, string, locales?: Locales) => ?string
  type GenerateId = (string) => string
  type MissingTranslation = 'ignore' | 'warning' | 'error'
  type FormatObject = { [string]: * }
  type Options = {
    locale?: Locales,
    translations?: ?Translations,
    generateId?: GenerateId,
    missingReplacement?: Replacement,
    missingTranslation?: MissingTranslation,
    formats?: {
      number?: FormatObject,
      date?: FormatObject,
      time?: FormatObject
    },
    types?: Types
  }
  type Setup = {|
    locale: Locales,
    translations: Translations,
    generateId: GenerateId,
    missingReplacement: Replacement,
    missingTranslation: MissingTranslation,
    formats: {
      number: FormatObject,
      date: FormatObject,
      time: FormatObject
    },
    types: Types
  |}
  type FormatMessage = {
    (msg: Message, args?: Object, locales?: Locales): string,
    rich (msg: Message, args?: Object, locales?: Locales): any[],
    setup (opt?: Options): Setup,
    number (value: number, style?: string, locales?: Locales): string,
    date (value: number | Date, style?: string, locales?: Locales): string,
    time (value: number | Date, style?: string, locales?: Locales): string,
    select (value: any, options: Object): any,
    custom (placeholder: any[], locales: Locales, value: any, args: Object): any,
    plural (value: number, offset: any, options: any, locale: any): any,
    selectordinal (value: number, offset: any, options: any, locale: any): any,
    namespace (): FormatMessage
  }
  */

  function assign
  /*:: <T: Object> */
  (target
  /*: T */
  , source
  /*: Object */
  ) {
    Object.keys(source).forEach(function (key) {
      target[key] = source[key];
    });
    return target;
  }

  function namespace()
  /*: FormatMessage */
  {
    var formats = assign({}, formatMessageFormats);
    var currentLocales
    /*: Locales */
    = 'en';
    var translations
    /*: Translations */
    = {};

    var generateId
    /*: GenerateId */
    = function generateId(pattern) {
      return pattern;
    };

    var missingReplacement
    /*: Replacement */
    = null;
    var missingTranslation
    /*: MissingTranslation */
    = 'warning';
    var types
    /*: Types */
    = {};

    function formatMessage(msg
    /*: Message */
    , args
    /*:: ?: Object */
    , locales
    /*:: ?: Locales */
    ) {
      var pattern = typeof msg === 'string' ? msg : msg.default;
      var id = _typeof$1(msg) === 'object' && msg.id || generateId(pattern);
      var translated = translate(pattern, id, locales || currentLocales);
      var format = translated.format || (translated.format = formatMessageInterpret(formatMessageParse(translated.message), locales || currentLocales, types));
      return format(args);
    }

    formatMessage.rich = function rich(msg
    /*: Message */
    , args
    /*:: ?: Object */
    , locales
    /*:: ?: Locales */
    ) {
      var pattern = typeof msg === 'string' ? msg : msg.default;
      var id = _typeof$1(msg) === 'object' && msg.id || generateId(pattern);
      var translated = translate(pattern, id, locales || currentLocales);
      var format = translated.toParts || (translated.toParts = formatMessageInterpret.toParts(formatMessageParse(translated.message, {
        tagsType: tagsType
      }), locales || currentLocales, types));
      return format(args);
    };

    var tagsType = '<>';

    function richType(node
    /*: any[] */
    , locales
    /*: Locales */
    ) {
      var style = node[2];
      return function (fn, args) {
        var props = _typeof$1(style) === 'object' ? mapObject(style, args) : style;
        return typeof fn === 'function' ? fn(props) : fn;
      };
    }

    types[tagsType] = richType;

    function mapObject(object
    /* { [string]: (args?: Object) => any } */
    , args
    /*: ?Object */
    ) {
      return Object.keys(object).reduce(function (mapped, key) {
        mapped[key] = object[key](args);
        return mapped;
      }, {});
    }

    function translate(pattern
    /*: string */
    , id
    /*: string */
    , locales
    /*: Locales */
    )
    /*: Translation */
    {
      var locale = lookupClosestLocale(locales, translations) || 'en';
      var messages = translations[locale] || (translations[locale] = {});
      var translated = messages[id];

      if (typeof translated === 'string') {
        translated = messages[id] = {
          message: translated
        };
      }

      if (!translated) {
        var message = 'Translation for "' + id + '" in "' + locale + '" is missing';

        if (missingTranslation === 'warning') {
          /* istanbul ignore else */
          if (typeof console !== 'undefined') console.warn(message);
        } else if (missingTranslation !== 'ignore') {
          // 'error'
          throw new Error(message);
        }

        var replacement = typeof missingReplacement === 'function' ? missingReplacement(pattern, id, locale) || pattern : missingReplacement || pattern;
        translated = messages[id] = {
          message: replacement
        };
      }

      return translated;
    }

    formatMessage.setup = function setup(opt
    /*:: ?: Options */
    ) {
      opt = opt || {};
      if (opt.locale) currentLocales = opt.locale;
      if ('translations' in opt) translations = opt.translations || {};
      if (opt.generateId) generateId = opt.generateId;
      if ('missingReplacement' in opt) missingReplacement = opt.missingReplacement;
      if (opt.missingTranslation) missingTranslation = opt.missingTranslation;

      if (opt.formats) {
        if (opt.formats.number) assign(formats.number, opt.formats.number);
        if (opt.formats.date) assign(formats.date, opt.formats.date);
        if (opt.formats.time) assign(formats.time, opt.formats.time);
      }

      if (opt.types) {
        types = opt.types;
        types[tagsType] = richType;
      }

      return {
        locale: currentLocales,
        translations: translations,
        generateId: generateId,
        missingReplacement: missingReplacement,
        missingTranslation: missingTranslation,
        formats: formats,
        types: types
      };
    };

    formatMessage.number = function (value
    /*: number */
    , style
    /*:: ?: string */
    , locales
    /*:: ?: Locales */
    ) {
      var options = style && formats.number[style] || formats.parseNumberPattern(style) || formats.number.default;
      return new Intl.NumberFormat(locales || currentLocales, options).format(value);
    };

    formatMessage.date = function (value
    /*:: ?: number | Date */
    , style
    /*:: ?: string */
    , locales
    /*:: ?: Locales */
    ) {
      var options = style && formats.date[style] || formats.parseDatePattern(style) || formats.date.default;
      return new Intl.DateTimeFormat(locales || currentLocales, options).format(value);
    };

    formatMessage.time = function (value
    /*:: ?: number | Date */
    , style
    /*:: ?: string */
    , locales
    /*:: ?: Locales */
    ) {
      var options = style && formats.time[style] || formats.parseDatePattern(style) || formats.time.default;
      return new Intl.DateTimeFormat(locales || currentLocales, options).format(value);
    };

    formatMessage.select = function (value
    /*: any */
    , options
    /*: Object */
    ) {
      return options[value] || options.other;
    };

    formatMessage.custom = function (placeholder
    /*: any[] */
    , locales
    /*: Locales */
    , value
    /*: any */
    , args
    /*: Object */
    ) {
      if (!(placeholder[1] in types)) return value;
      return types[placeholder[1]](placeholder, locales)(value, args);
    };

    formatMessage.plural = plural.bind(null, 'cardinal');
    formatMessage.selectordinal = plural.bind(null, 'ordinal');

    function plural(pluralType
    /*: 'cardinal' | 'ordinal' */
    , value
    /*: number */
    , offset
    /*: any */
    , options
    /*: any */
    , locale
    /*: any */
    ) {
      if (_typeof$1(offset) === 'object' && _typeof$1(options) !== 'object') {
        // offset is optional
        locale = options;
        options = offset;
        offset = 0;
      }

      var closest = lookupClosestLocale(locale || currentLocales, plurals);
      var plural = closest && plurals[closest][pluralType] || returnOther;
      return options['=' + +value] || options[plural(value - offset)] || options.other;
    }

    function returnOther()
    /*:: n:number */
    {
      return 'other';
    }

    formatMessage.namespace = namespace;
    return formatMessage;
  }

  module.exports = namespace();
});

/**
 * Formatter which is used for translating.
 * When it was loaded as a module, 'formatMessage' will be replaced which is used in the runtime.
 * @type {Function}
 */

var formatMessage = formatMessage$1;
/**
 * URL to get this extension as a module.
 * When it was loaded as a module, 'extensionURL' will be replaced a URL which is retrieved from.
 * @type {string}
 */

var extensionURL = 'https://champierre.github.io/ml2scratch/ml2scratch.mjs';
var HAT_TIMEOUT = 100;
var blockIconURI = 'data:image/png;base64,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';
var Message = {
  train_label_1: {
    'ja': 'ラベル1を学習する',
    'ja-Hira': 'ラベル1をがくしゅうする',
    'en': 'train label 1',
    'zh-cn': '学习标签1',
    'zh-tw': '學習標籤1'
  },
  train_label_2: {
    'ja': 'ラベル2を学習する',
    'ja-Hira': 'ラベル2をがくしゅうする',
    'en': 'train label 2',
    'zh-cn': '学习标签2',
    'zh-tw': '學習標籤2'
  },
  train_label_3: {
    'ja': 'ラベル3を学習する',
    'ja-Hira': 'ラベル3をがくしゅうする',
    'en': 'train label 3',
    'zh-cn': '学习标签3',
    'zh-tw': '學習標籤3'
  },
  train: {
    'ja': 'ラベル[LABEL]を学習する',
    'ja-Hira': 'ラベル[LABEL]をがくしゅうする',
    'en': 'train label [LABEL]',
    'zh-cn': '学习标签[LABEL]',
    'zh-tw': '學習標籤[LABEL]'
  },
  when_received_block: {
    'ja': 'ラベル[LABEL]を受け取ったとき',
    'ja-Hira': 'ラベル[LABEL]をうけとったとき',
    'en': 'when received label:[LABEL]',
    'zh-cn': '接收到类别[LABEL]时',
    'zh-tw': '接收到類別[LABEL]時'
  },
  label_block: {
    'ja': 'ラベル',
    'ja-Hira': 'ラベル',
    'en': 'label',
    'zh-cn': '标签',
    'zh-tw': '標籤'
  },
  counts_label_1: {
    'ja': 'ラベル1の枚数',
    'ja-Hira': 'ラベル1のまいすう',
    'en': 'counts of label 1',
    'zh-cn': '标签数量1',
    'zh-tw': '標籤數量1'
  },
  counts_label_2: {
    'ja': 'ラベル2の枚数',
    'ja-Hira': 'ラベル2のまいすう',
    'en': 'counts of label 2',
    'zh-cn': '标签数量2',
    'zh-tw': '標籤數量2'
  },
  counts_label_3: {
    'ja': 'ラベル3の枚数',
    'ja-Hira': 'ラベル3のまいすう',
    'en': 'counts of label 3',
    'zh-cn': '标签数量3',
    'zh-tw': '標籤數量3'
  },
  counts_label_4: {
    'ja': 'ラベル4の枚数',
    'ja-Hira': 'ラベル4のまいすう',
    'en': 'counts of label 4',
    'zh-cn': '标签数量4',
    'zh-tw': '標籤數量4'
  },
  counts_label_5: {
    'ja': 'ラベル5の枚数',
    'ja-Hira': 'ラベル5のまいすう',
    'en': 'counts of label 5',
    'zh-cn': '标签数量5',
    'zh-tw': '標籤數量5'
  },
  counts_label_6: {
    'ja': 'ラベル6の枚数',
    'ja-Hira': 'ラベル6のまいすう',
    'en': 'counts of label 6',
    'zh-cn': '标签数量6',
    'zh-tw': '標籤數量6'
  },
  counts_label_7: {
    'ja': 'ラベル7の枚数',
    'ja-Hira': 'ラベル7のまいすう',
    'en': 'counts of label 7',
    'zh-cn': '标签数量7',
    'zh-tw': '標籤數量7'
  },
  counts_label_8: {
    'ja': 'ラベル8の枚数',
    'ja-Hira': 'ラベル8のまいすう',
    'en': 'counts of label 8',
    'zh-cn': '标签数量8',
    'zh-tw': '標籤數量8'
  },
  counts_label_9: {
    'ja': 'ラベル9の枚数',
    'ja-Hira': 'ラベル9のまいすう',
    'en': 'counts of label 9',
    'zh-cn': '标签数量9',
    'zh-tw': '標籤數量9'
  },
  counts_label_10: {
    'ja': 'ラベル10の枚数',
    'ja-Hira': 'ラベル10のまいすう',
    'en': 'counts of label 10',
    'zh-cn': '标签数量10',
    'zh-tw': '標籤數量10'
  },
  counts_label: {
    'ja': 'ラベル[LABEL]の枚数',
    'ja-Hira': 'ラベル[LABEL]のまいすう',
    'en': 'counts of label [LABEL]',
    'zh-cn': '标签数量[LABEL]',
    'zh-tw': '標籤數量[LABEL]'
  },
  any: {
    'ja': 'のどれか',
    'ja-Hira': 'のどれか',
    'en': 'any',
    'zh-cn': '任何',
    'zh-tw': '任何'
  },
  all: {
    'ja': 'の全て',
    'ja-Hira': 'のすべて',
    'en': 'all',
    'zh-cn': '所有',
    'zh-tw': '所有量'
  },
  reset: {
    'ja': 'ラベル[LABEL]の学習をリセット',
    'ja-Hira': 'ラベル[LABEL]のがくしゅうをリセット',
    'en': 'reset label:[LABEL]',
    'zh-cn': '重置[LABEL]',
    'zh-tw': '重置[LABEL]'
  },
  download_learning_data: {
    'ja': '学習データをダウンロード',
    'ja-Hira': 'がくしゅうデータをダウンロード',
    'en': 'download learning data',
    'zh-cn': '下载学习数据',
    'zh-tw': '下載學習資料'
  },
  upload_learning_data: {
    'ja': '学習データをアップロード',
    'ja-Hira': 'がくしゅうデータをアップロード',
    'en': 'upload learning data',
    'zh-cn': '上传学习数据',
    'zh-tw': '上傳學習資料'
  },
  upload: {
    'ja': 'アップロード',
    'ja-Hira': 'アップロード',
    'en': 'upload',
    'zh-cn': '上传',
    'zh-tw': '上傳'
  },
  uploaded: {
    'ja': 'アップロードが完了しました。',
    'ja-Hira': 'アップロードがかんりょうしました。',
    'en': 'The upload is complete.',
    'zh-cn': '上传完成。',
    'zh-tw': '上傳完成。'
  },
  upload_instruction: {
    'ja': 'ファイルを選び、アップロードボタンをクリックして下さい。',
    'ja-Hira': 'ファイルをえらび、アップロードボタンをクリックしてください。',
    'en': 'Select a file and click the upload button.',
    'zh-cn': '选择一个文件，然后单击上传按钮。',
    'zh-tw': '選擇一個檔案，然後點擊上傳按鈕'
  },
  confirm_reset: {
    'ja': '本当にリセットしてもよろしいですか？',
    'ja-Hira': 'ほんとうにリセットしてもよろしいですか？',
    'en': 'Are you sure to reset?',
    'zh-cn': '你确定要重置吗？',
    'zh-tw': '您確定要重置嗎？'
  },
  toggle_classification: {
    'ja': 'ラベル付けを[CLASSIFICATION_STATE]にする',
    'ja-Hira': 'ラベルづけを[CLASSIFICATION_STATE]にする',
    'en': 'turn classification [CLASSIFICATION_STATE]',
    'zh-cn': '[CLASSIFICATION_STATE]分类',
    'zh-tw': '[CLASSIFICATION_STATE]分類'
  },
  set_classification_interval: {
    'ja': 'ラベル付けを[CLASSIFICATION_INTERVAL]秒間に1回行う',
    'ja-Hira': 'ラベルづけを[CLASSIFICATION_INTERVAL]びょうかんに1かいおこなう',
    'en': 'Label once every [CLASSIFICATION_INTERVAL] seconds',
    'zh-cn': '每隔[CLASSIFICATION_INTERVAL]秒标记一次',
    'zh-tw': '每隔[CLASSIFICATION_INTERVAL]秒標記一次'
  },
  video_toggle: {
    'ja': 'ビデオを[VIDEO_STATE]にする',
    'ja-Hira': 'ビデオを[VIDEO_STATE]にする',
    'en': 'turn video [VIDEO_STATE]',
    'zh-cn': '[VIDEO_STATE]摄像头',
    'zh-tw': '視訊設為[VIDEO_STATE]'
  },
  set_input: {
    'ja': '[INPUT]の画像を学習/判定する',
    'ja-Hira': '[INPUT]のがぞうをがくしゅう/はんていする',
    'en': 'Learn/Classify [INPUT] image',
    'zh-cn': '学习/分类[INPUT]图像',
    'zh-tw': '學習/分類[INPUT]影像'
  },
  on: {
    'ja': '入',
    'ja-Hira': 'いり',
    'en': 'on',
    'zh-cn': '开启',
    'zh-tw': '開啟'
  },
  off: {
    'ja': '切',
    'ja-Hira': 'きり',
    'en': 'off',
    'zh-cn': '关闭',
    'zh-tw': '關閉'
  },
  video_on_flipped: {
    'ja': '左右反転',
    'ja-Hira': 'さゆうはんてん',
    'en': 'on flipped',
    'zh-cn': '镜像开启',
    'zh-tw': '翻轉'
  },
  webcam: {
    'ja': 'カメラ',
    'ja-Hira': 'カメラ',
    'en': 'webcam',
    'zh-cn': '网络摄像头',
    'zh-tw': '網路攝影機'
  },
  stage: {
    'ja': 'ステージ',
    'ja-Hira': 'ステージ',
    'en': 'stage',
    'zh-cn': '舞台',
    'zh-tw': '舞台'
  },
  first_training_warning: {
    'ja': '最初の学習にはしばらく時間がかかるので、何度もクリックしないで下さい。',
    'ja-Hira': 'さいしょのがくしゅうにはしばらくじかんがかかるので、なんどもクリックしないでください。',
    'en': 'The first training will take a while, so do not click again and again.',
    'zh-cn': '第一项研究需要一段时间，所以不要一次又一次地点击。',
    'zh-tw': '第一次訓練需要一段時間，請稍後，不要一直點擊。'
  },
  switch_webcam: {
    'ja': 'カメラを[DEVICE]に切り替える',
    'ja-Hira': 'カメラを[DEVICE]にきりかえる',
    'en': 'switch webcam to [DEVICE]',
    'zh-cn': '网络摄像头切换到[DEVICE]',
    'zh-tw': '網路攝影機切換到[DEVICE]'
  }
};
var AvailableLocales = ['en', 'ja', 'ja-Hira', 'zh-cn', 'zh-tw'];

var Scratch3ML2ScratchBlocks = /*#__PURE__*/function () {
  function Scratch3ML2ScratchBlocks(runtime) {
    var _this = this;

    _classCallCheck(this, Scratch3ML2ScratchBlocks);

    this.runtime = runtime;

    if (runtime.formatMessage) {
      // Replace 'formatMessage' to a formatter which is used in the runtime.
      formatMessage = runtime.formatMessage;
    }

    this.when_received = false;
    this.when_received_arr = Array(8).fill(false);
    this.label = null;
    this.locale = this.setLocale();
    this.blockClickedAt = null;
    this.counts = null;
    this.firstTraining = true;
    this.interval = 1000;
    this.globalVideoTransparency = 0;
    this.setVideoTransparency({
      TRANSPARENCY: this.globalVideoTransparency
    });
    this.canvas = document.querySelector('canvas');
    this.runtime.ioDevices.video.enableVideo().then(function () {
      _this.input = _this.runtime.ioDevices.video.provider.video;
    });
    this.knnClassifier = ml5_min.KNNClassifier();
    this.featureExtractor = ml5_min.featureExtractor('MobileNet', function () {
      console.log('[featureExtractor] Model Loaded!');
      _this.timer = setInterval(function () {
        _this.classify();
      }, _this.interval);
    });
    this.devices = [{
      text: 'default',
      value: ''
    }];
    var dialog = document.createElement("DIALOG");
    dialog.id = "upload-dialog";
    dialog.innerHTML = "\n      <html><body>\n      <div>".concat(Message.upload_instruction[this.locale], "</p><input type=\"file\" id=\"upload-files\"><input type=\"button\" value=\"").concat(Message.upload[this.locale], "\" id=\"upload-button\"></div>\n      <div style=\"margin-top:10px;display:flex;justify-content:flex-end;\"><button id=\"close\" aria-label=\"close\" formnovalidate>\u9589\u3058\u308B</button></div>\n      </body><body>\n    ");
    this.uploadDialog = dialog;
    document.body.appendChild(dialog);

    document.getElementById("upload-button").onclick = function () {
      _this.uploadButtonClicked();
    };

    document.getElementById("close").onclick = function () {
      dialog.close();
    };

    try {
      navigator.mediaDevices.enumerateDevices().then(function (media) {
        var _iterator = _createForOfIteratorHelper(media),
            _step;

        try {
          for (_iterator.s(); !(_step = _iterator.n()).done;) {
            var device = _step.value;

            if (device.kind === 'videoinput') {
              _this.devices.push({
                text: device.label,
                value: device.deviceId
              });
            }
          }
        } catch (err) {
          _iterator.e(err);
        } finally {
          _iterator.f();
        }
      });
    } catch (e) {
      console.error("failed to load media devices!");
    }
  }

  _createClass(Scratch3ML2ScratchBlocks, [{
    key: "getInfo",
    value: function getInfo() {
      this.locale = this.setLocale();
      return {
        id: Scratch3ML2ScratchBlocks.EXTENSION_ID,
        name: Scratch3ML2ScratchBlocks.EXTENSION_NAME,
        extensionURL: Scratch3ML2ScratchBlocks.extensionURL,
        blockIconURI: blockIconURI,
        blocks: [{
          opcode: 'addExample1',
          blockType: blockType.COMMAND,
          text: Message.train_label_1[this.locale]
        }, {
          opcode: 'addExample2',
          blockType: blockType.COMMAND,
          text: Message.train_label_2[this.locale]
        }, {
          opcode: 'addExample3',
          blockType: blockType.COMMAND,
          text: Message.train_label_3[this.locale]
        }, {
          opcode: 'train',
          text: Message.train[this.locale],
          blockType: blockType.COMMAND,
          arguments: {
            LABEL: {
              type: argumentType.STRING,
              menu: 'train_menu',
              defaultValue: '4'
            }
          }
        }, {
          opcode: 'trainAny',
          text: Message.train[this.locale],
          blockType: blockType.COMMAND,
          arguments: {
            LABEL: {
              type: argumentType.STRING,
              defaultValue: '11'
            }
          }
        }, {
          opcode: 'getLabel',
          text: Message.label_block[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'whenReceived',
          text: Message.when_received_block[this.locale],
          blockType: blockType.HAT,
          arguments: {
            LABEL: {
              type: argumentType.STRING,
              menu: 'received_menu',
              defaultValue: 'any'
            }
          }
        }, {
          opcode: 'whenReceivedAny',
          text: Message.when_received_block[this.locale],
          blockType: blockType.HAT,
          arguments: {
            LABEL: {
              type: argumentType.STRING,
              defaultValue: '11'
            }
          }
        }, {
          opcode: 'getCountByLabel1',
          text: Message.counts_label_1[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel2',
          text: Message.counts_label_2[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel3',
          text: Message.counts_label_3[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel4',
          text: Message.counts_label_4[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel5',
          text: Message.counts_label_5[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel6',
          text: Message.counts_label_6[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel7',
          text: Message.counts_label_7[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel8',
          text: Message.counts_label_8[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel9',
          text: Message.counts_label_9[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel10',
          text: Message.counts_label_10[this.locale],
          blockType: blockType.REPORTER
        }, {
          opcode: 'getCountByLabel',
          text: Message.counts_label[this.locale],
          blockType: blockType.REPORTER,
          arguments: {
            LABEL: {
              type: argumentType.STRING,
              defaultValue: '11'
            }
          }
        }, {
          opcode: 'reset',
          blockType: blockType.COMMAND,
          text: Message.reset[this.locale],
          arguments: {
            LABEL: {
              type: argumentType.STRING,
              menu: 'reset_menu',
              defaultValue: 'all'
            }
          }
        }, {
          opcode: 'resetAny',
          blockType: blockType.COMMAND,
          text: Message.reset[this.locale],
          arguments: {
            LABEL: {
              type: argumentType.STRING,
              defaultValue: '11'
            }
          }
        }, {
          opcode: 'download',
          text: Message.download_learning_data[this.locale],
          blockType: blockType.COMMAND
        }, {
          opcode: 'upload',
          text: Message.upload_learning_data[this.locale],
          blockType: blockType.COMMAND
        }, {
          opcode: 'toggleClassification',
          text: Message.toggle_classification[this.locale],
          blockType: blockType.COMMAND,
          arguments: {
            CLASSIFICATION_STATE: {
              type: argumentType.STRING,
              menu: 'classification_menu',
              defaultValue: 'off'
            }
          }
        }, {
          opcode: 'setClassificationInterval',
          text: Message.set_classification_interval[this.locale],
          blockType: blockType.COMMAND,
          arguments: {
            CLASSIFICATION_INTERVAL: {
              type: argumentType.STRING,
              menu: 'classification_interval_menu',
              defaultValue: '1'
            }
          }
        }, {
          opcode: 'videoToggle',
          text: Message.video_toggle[this.locale],
          blockType: blockType.COMMAND,
          arguments: {
            VIDEO_STATE: {
              type: argumentType.STRING,
              menu: 'video_menu',
              defaultValue: 'off'
            }
          }
        }, {
          opcode: 'setVideoTransparency',
          text: formatMessage({
            id: 'videoSensing.setVideoTransparency',
            default: 'set video transparency to [TRANSPARENCY]',
            description: 'Controls transparency of the video preview layer'
          }),
          arguments: {
            TRANSPARENCY: {
              type: argumentType.NUMBER,
              defaultValue: 50
            }
          }
        }, {
          opcode: 'setInput',
          text: Message.set_input[this.locale],
          blockType: blockType.COMMAND,
          arguments: {
            INPUT: {
              type: argumentType.STRING,
              menu: 'input_menu',
              defaultValue: 'webcam'
            }
          }
        }, {
          opcode: 'switchCamera',
          blockType: blockType.COMMAND,
          text: Message.switch_webcam[this.locale],
          arguments: {
            DEVICE: {
              type: argumentType.STRING,
              defaultValue: '',
              menu: 'mediadevices'
            }
          }
        }],
        menus: {
          received_menu: {
            items: this.getMenu('received')
          },
          reset_menu: {
            items: this.getMenu('reset')
          },
          train_menu: {
            items: this.getTrainMenu()
          },
          count_menu: {
            items: this.getTrainMenu()
          },
          video_menu: this.getVideoMenu(),
          classification_interval_menu: {
            acceptReporters: true,
            items: this.getClassificationIntervalMenu()
          },
          classification_menu: this.getClassificationMenu(),
          input_menu: this.getInputMenu(),
          mediadevices: {
            acceptReporters: true,
            items: 'getDevices'
          }
        }
      };
    }
    /**
     * The transparency setting of the video preview stored in a value
     * accessible by any object connected to the virtual machine.
     * @type {number}
     */

  }, {
    key: "globalVideoTransparency",
    get: function get() {
      var stage = this.runtime.getTargetForStage();

      if (stage) {
        return stage.videoTransparency;
      }

      return 50;
    },
    set: function set(transparency) {
      var stage = this.runtime.getTargetForStage();

      if (stage) {
        stage.videoTransparency = transparency;
      }

      return transparency;
    }
  }, {
    key: "addExample1",
    value: function addExample1() {
      this.firstTrainingWarning();
      var features = this.featureExtractor.infer(this.input);
      this.knnClassifier.addExample(features, '1');
      this.updateCounts();
    }
  }, {
    key: "addExample2",
    value: function addExample2() {
      this.firstTrainingWarning();
      var features = this.featureExtractor.infer(this.input);
      this.knnClassifier.addExample(features, '2');
      this.updateCounts();
    }
  }, {
    key: "addExample3",
    value: function addExample3() {
      this.firstTrainingWarning();
      var features = this.featureExtractor.infer(this.input);
      this.knnClassifier.addExample(features, '3');
      this.updateCounts();
    }
  }, {
    key: "train",
    value: function train(args) {
      this.firstTrainingWarning();
      var features = this.featureExtractor.infer(this.input);
      this.knnClassifier.addExample(features, args.LABEL);
      this.updateCounts();
    }
  }, {
    key: "trainAny",
    value: function trainAny(args) {
      this.train(args);
    }
  }, {
    key: "getLabel",
    value: function getLabel() {
      return this.label;
    }
  }, {
    key: "whenReceived",
    value: function whenReceived(args) {
      var _this2 = this;

      if (args.LABEL === 'any') {
        if (this.when_received) {
          setTimeout(function () {
            _this2.when_received = false;
          }, HAT_TIMEOUT);
          return true;
        }

        return false;
      } else {
        if (this.when_received_arr[args.LABEL]) {
          setTimeout(function () {
            _this2.when_received_arr[args.LABEL] = false;
          }, HAT_TIMEOUT);
          return true;
        }

        return false;
      }
    }
  }, {
    key: "whenReceivedAny",
    value: function whenReceivedAny(args) {
      return this.whenReceived(args);
    }
  }, {
    key: "getCountByLabel1",
    value: function getCountByLabel1() {
      if (this.counts) {
        return this.counts['1'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel2",
    value: function getCountByLabel2() {
      if (this.counts) {
        return this.counts['2'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel3",
    value: function getCountByLabel3() {
      if (this.counts) {
        return this.counts['3'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel4",
    value: function getCountByLabel4() {
      if (this.counts) {
        return this.counts['4'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel5",
    value: function getCountByLabel5() {
      if (this.counts) {
        return this.counts['5'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel6",
    value: function getCountByLabel6() {
      if (this.counts) {
        return this.counts['6'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel7",
    value: function getCountByLabel7() {
      if (this.counts) {
        return this.counts['7'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel8",
    value: function getCountByLabel8() {
      if (this.counts) {
        return this.counts['8'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel9",
    value: function getCountByLabel9() {
      if (this.counts) {
        return this.counts['9'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel10",
    value: function getCountByLabel10() {
      if (this.counts) {
        return this.counts['10'];
      } else {
        return 0;
      }
    }
  }, {
    key: "getCountByLabel",
    value: function getCountByLabel(args) {
      if (this.counts[args.LABEL]) {
        return this.counts[args.LABEL];
      } else {
        return 0;
      }
    }
  }, {
    key: "reset",
    value: function reset(args) {
      var _this3 = this;

      if (this.actionRepeated()) {
        return;
      }
      setTimeout(function () {
        var result = confirm(Message.confirm_reset[_this3.locale]);

        if (result) {
          if (args.LABEL == 'all') {
            _this3.knnClassifier.clearAllLabels();

            for (var label in _this3.counts) {
              _this3.counts[label] = 0;
            }
          } else {
            if (_this3.counts[args.LABEL] > 0) {
              _this3.knnClassifier.clearLabel(args.LABEL);

              _this3.counts[args.LABEL] = 0;
            }
          }
        }
      }, 1000);
    }
  }, {
    key: "resetAny",
    value: function resetAny(args) {
      this.reset(args);
    }
  }, {
    key: "download",
    value: function download() {
      if (this.actionRepeated()) {
        return;
      }
      var fileName = String(Date.now());
      this.knnClassifier.save(fileName);
    }
  }, {
    key: "upload",
    value: function upload() {
      if (this.actionRepeated()) {
        return;
      }
      document.getElementById('upload-dialog').showModal();
    }
  }, {
    key: "toggleClassification",
    value: function toggleClassification(args) {
      var _this4 = this;

      var state = args.CLASSIFICATION_STATE;

      if (this.timer) {
        clearTimeout(this.timer);
      }

      if (state === 'on') {
        this.timer = setInterval(function () {
          _this4.classify();
        }, this.interval);
      }
    }
  }, {
    key: "setClassificationInterval",
    value: function setClassificationInterval(args) {
      var _this5 = this;

      if (this.timer) {
        clearTimeout(this.timer);
      }

      this.interval = args.CLASSIFICATION_INTERVAL * 1000;
      this.timer = setInterval(function () {
        _this5.classify();
      }, this.interval);
    }
  }, {
    key: "videoToggle",
    value: function videoToggle(args) {
      var _this6 = this;

      var state = args.VIDEO_STATE;

      if (state === 'off') {
        this.runtime.ioDevices.video.disableVideo();
      } else {
        this.runtime.ioDevices.video.enableVideo().then(function () {
          _this6.input = _this6.runtime.ioDevices.video.provider.video;
        });
        this.runtime.ioDevices.video.mirror = state === "on";
      }
    }
    /**
     * A scratch command block handle that configures the video preview's
     * transparency from passed arguments.
     * @param {object} args - the block arguments
     * @param {number} args.TRANSPARENCY - the transparency to set the video
     *   preview to
     */

  }, {
    key: "setVideoTransparency",
    value: function setVideoTransparency(args) {
      var transparency = cast.toNumber(args.TRANSPARENCY);
      this.globalVideoTransparency = transparency;
      this.runtime.ioDevices.video.setPreviewGhost(transparency);
    }
  }, {
    key: "setInput",
    value: function setInput(args) {
      var input = args.INPUT;

      if (input === 'webcam') {
        this.input = this.runtime.ioDevices.video.provider.video;
      } else {
        this.input = this.canvas;
      }
    }
  }, {
    key: "uploadButtonClicked",
    value: function uploadButtonClicked() {
      var _this7 = this;

      var files = document.getElementById('upload-files').files;

      if (files.length <= 0) {
        alert('Please select JSON file.');
        return false;
      }

      var fr = new FileReader();

      fr.onload = function (e) {
        var data = JSON.parse(e.target.result);

        _this7.knnClassifier.load(data, function () {
          console.log('uploaded!');

          _this7.updateCounts();

          alert(Message.uploaded[_this7.locale]);
        });
      };

      fr.onloadend = function (e) {
        document.getElementById('upload-files').value = "";
      };

      fr.readAsText(files.item(0));
      this.uploadDialog.close();
    }
  }, {
    key: "classify",
    value: function classify() {
      var _this8 = this;

      var numLabels = this.knnClassifier.getNumLabels();
      if (numLabels == 0) return;
      var features = this.featureExtractor.infer(this.input);
      this.knnClassifier.classify(features, function (err, result) {
        if (err) {
          console.error(err);
        } else {
          _this8.label = _this8.getTopConfidenceLabel(result.confidencesByLabel);
          _this8.when_received = true;
          _this8.when_received_arr[_this8.label] = true;
        }
      });
    }
  }, {
    key: "getTopConfidenceLabel",
    value: function getTopConfidenceLabel(confidences) {
      var topConfidenceLabel;
      var topConfidence = 0;

      for (var label in confidences) {
        if (confidences[label] > topConfidence) {
          topConfidenceLabel = label;
        }
      }

      return topConfidenceLabel;
    }
  }, {
    key: "updateCounts",
    value: function updateCounts() {
      this.counts = this.knnClassifier.getCountByLabel();
      console.debug(this.counts);
    }
  }, {
    key: "actionRepeated",
    value: function actionRepeated() {
      var currentTime = Date.now();

      if (this.blockClickedAt && this.blockClickedAt + 250 > currentTime) {
        console.log('Please do not repeat trigerring this block.');
        this.blockClickedAt = currentTime;
        return true;
      } else {
        this.blockClickedAt = currentTime;
        return false;
      }
    }
  }, {
    key: "getMenu",
    value: function getMenu(name) {
      var arr = [];
      var defaultValue = 'any';
      var text = Message.any[this.locale];

      if (name == 'reset') {
        defaultValue = 'all';
        text = Message.all[this.locale];
      }

      arr.push({
        text: text,
        value: defaultValue
      });

      for (var i = 1; i <= 10; i++) {
        var obj = {};
        obj.text = i.toString(10);
        obj.value = i.toString(10);
        arr.push(obj);
      }
      return arr;
    }
  }, {
    key: "getTrainMenu",
    value: function getTrainMenu() {
      var arr = [];

      for (var i = 4; i <= 10; i++) {
        var obj = {};
        obj.text = i.toString(10);
        obj.value = i.toString(10);
        arr.push(obj);
      }
      return arr;
    }
  }, {
    key: "getVideoMenu",
    value: function getVideoMenu() {
      return [{
        text: Message.off[this.locale],
        value: 'off'
      }, {
        text: Message.on[this.locale],
        value: 'on'
      }, {
        text: Message.video_on_flipped[this.locale],
        value: 'on-flipped'
      }];
    }
  }, {
    key: "getInputMenu",
    value: function getInputMenu() {
      return [{
        text: Message.webcam[this.locale],
        value: 'webcam'
      }, {
        text: Message.stage[this.locale],
        value: 'stage'
      }];
    }
  }, {
    key: "getClassificationIntervalMenu",
    value: function getClassificationIntervalMenu() {
      return [{
        text: '1',
        value: '1'
      }, {
        text: '0.5',
        value: '0.5'
      }, {
        text: '0.2',
        value: '0.2'
      }, {
        text: '0.1',
        value: '0.1'
      }];
    }
  }, {
    key: "getClassificationMenu",
    value: function getClassificationMenu() {
      return [{
        text: Message.off[this.locale],
        value: 'off'
      }, {
        text: Message.on[this.locale],
        value: 'on'
      }];
    }
  }, {
    key: "firstTrainingWarning",
    value: function firstTrainingWarning() {
      if (this.firstTraining) {
        alert(Message.first_training_warning[this.locale]);
        this.firstTraining = false;
      }
    }
  }, {
    key: "setLocale",
    value: function setLocale() {
      var locale = formatMessage.setup().locale;

      if (AvailableLocales.includes(locale)) {
        return locale;
      } else {
        return 'en';
      }
    }
  }, {
    key: "switchCamera",
    value: function switchCamera(args) {
      var _this9 = this;

      if (args.DEVICE !== '') {
        if (this.runtime.ioDevices.video.provider._track !== null) {
          this.runtime.ioDevices.video.provider._track.stop();

          var deviceId = args.DEVICE;
          navigator.mediaDevices.getUserMedia({
            audio: false,
            video: {
              deviceId: deviceId
            }
          }).then(function (stream) {
            try {
              _this9.runtime.ioDevices.video.provider._video.srcObject = stream;
            } catch (error) {
              _this9.runtime.ioDevices.video.provider._video.src = window.URL.createObjectURL(stream);
            } // Needed for Safari/Firefox, Chrome auto-plays.


            _this9.runtime.ioDevices.video.provider._video.play();

            _this9.runtime.ioDevices.video.provider._track = stream.getTracks()[0];
          });
        }
      }
    }
  }, {
    key: "getDevices",
    value: function getDevices() {
      return this.devices;
    }
  }], [{
    key: "EXTENSION_NAME",
    get:
    /**
     * @return {string} - the name of this extension.
     */
    function get() {
      return 'ML2Scratch';
    }
    /**
     * @return {string} - the ID of this extension.
     */

  }, {
    key: "EXTENSION_ID",
    get: function get() {
      return 'ml2scratch';
    }
    /**
     * URL to get this extension.
     * @type {string}
     */

  }, {
    key: "extensionURL",
    get: function get() {
      return extensionURL;
    }
    /**
     * Set URL to get this extension.
     * extensionURL will be reset when the module is loaded from the web.
     * @param {string} url - URL
     */
    ,
    set: function set(url) {
      extensionURL = url;
    }
  }]);

  return Scratch3ML2ScratchBlocks;
}();

var blockClass = Scratch3ML2ScratchBlocks; // loadable-extension needs this line.

var _ml2scratch = Scratch3ML2ScratchBlocks;
_ml2scratch.blockClass = blockClass;

export { _ml2scratch as __moduleExports, blockClass, entry };