/**
 * @license
 * Copyright 2023 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.
 * =============================================================================
 */
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).tf=e.tf||{})}(this,(function(e){"use strict";function t(e,t){return t.forEach((function(t){t&&"string"!=typeof t&&!Array.isArray(t)&&Object.keys(t).forEach((function(n){if("default"!==n&&!(n in e)){var r=Object.getOwnPropertyDescriptor(t,n);Object.defineProperty(e,n,r.get?r:{enumerable:!0,get:function(){return t[n]}})}}))})),e}var n=function(e,t){return n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n])},n(e,t)};function r(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Class extends value "+String(t)+" is not a constructor or null");function r(){this.constructor=e}n(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}function a(e,t,n,r){return new(n||(n=Promise))((function(a,o){function i(e){try{u(r.next(e))}catch(e){o(e)}}function s(e){try{u(r.throw(e))}catch(e){o(e)}}function u(e){var t;e.done?a(e.value):(t=e.value,t instanceof n?t:new n((function(e){e(t)}))).then(i,s)}u((r=r.apply(e,t||[])).next())}))}function o(e,t){var n,r,a,o,i={label:0,sent:function(){if(1&a[0])throw a[1];return a[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(;i;)try{if(n=1,r&&(a=2&o[0]?r.return:o[0]?r.throw||((a=r.return)&&a.call(r),0):r.next)&&!(a=a.call(r,o[1])).done)return a;switch(r=0,a&&(o=[2&o[0],a.value]),o[0]){case 0:case 1:a=o;break;case 4:return i.label++,{value:o[1],done:!1};case 5:i.label++,r=o[1],o=[0];continue;case 7:o=i.ops.pop(),i.trys.pop();continue;default:if(!(a=i.trys,(a=a.length>0&&a[a.length-1])||6!==o[0]&&2!==o[0])){i=0;continue}if(3===o[0]&&(!a||o[1]>a[0]&&o[1]<a[3])){i.label=o[1];break}if(6===o[0]&&i.label<a[1]){i.label=a[1],a=o;break}if(a&&i.label<a[2]){i.label=a[2],i.ops.push(o);break}a[2]&&i.ops.pop(),i.trys.pop();continue}o=t.call(e,i)}catch(e){o=[6,e],r=0}finally{n=a=0}if(5&o[0])throw o[1];return{value:o[0]?o[1]:void 0,done:!0}}([o,s])}}}function i(e){var t="function"==typeof Symbol&&Symbol.iterator,n=t&&e[t],r=0;if(n)return n.call(e);if(e&&"number"==typeof e.length)return{next:function(){return e&&r>=e.length&&(e=void 0),{value:e&&e[r++],done:!e}}};throw new TypeError(t?"Object is not iterable.":"Symbol.iterator is not defined.")}function s(e,t){var n="function"==typeof Symbol&&e[Symbol.iterator];if(!n)return e;var r,a,o=n.call(e),i=[];try{for(;(void 0===t||t-- >0)&&!(r=o.next()).done;)i.push(r.value)}catch(e){a={error:e}}finally{try{r&&!r.done&&(n=o.return)&&n.call(o)}finally{if(a)throw a.error}}return i}function u(e,t,n){if(n||2===arguments.length)for(var r,a=0,o=t.length;a<o;a++)!r&&a in t||(r||(r=Array.prototype.slice.call(t,0,a)),r[a]=t[a]);return e.concat(r||Array.prototype.slice.call(t))}var c=function(){function e(e,t){this.backend=e,this.dataMover=t,this.data=new WeakMap,this.dataIdsCount=0}return e.prototype.get=function(e){return this.data.has(e)||this.dataMover.moveData(this.backend,e),this.data.get(e)},e.prototype.set=function(e,t){this.dataIdsCount++,this.data.set(e,t)},e.prototype.has=function(e){return this.data.has(e)},e.prototype.delete=function(e){return this.dataIdsCount--,this.data.delete(e)},e.prototype.numDataIds=function(){return this.dataIdsCount},e}(),l=function(){function e(){}return e.prototype.refCount=function(e){return h("refCount")},e.prototype.incRef=function(e){return h("incRef")},e.prototype.timerAvailable=function(){return!0},e.prototype.time=function(e){return h("time")},e.prototype.read=function(e){return h("read")},e.prototype.readSync=function(e){return h("readSync")},e.prototype.readToGPU=function(e,t){return h("readToGPU")},e.prototype.numDataIds=function(){return h("numDataIds")},e.prototype.disposeData=function(e,t){return h("disposeData")},e.prototype.write=function(e,t,n){return h("write")},e.prototype.move=function(e,t,n,r,a){return h("move")},e.prototype.createTensorFromGPUData=function(e,t,n){return h("createTensorFromGPUData")},e.prototype.memory=function(){return h("memory")},e.prototype.floatPrecision=function(){return h("floatPrecision")},e.prototype.epsilon=function(){return 32===this.floatPrecision()?1e-7:1e-4},e.prototype.dispose=function(){return h("dispose")},e}();function h(e){throw new Error("'".concat(e,"' not yet implemented or not found in the registry. ")+"This kernel may not be supported by the tfjs backend you have chosen")}function f(e){for(var t=e.length,n=0;t>0;)n=Math.random()*t|0,p(e,--t,n)}function d(e,t,n){return Math.max(e,Math.min(t,n))}function p(e,t,n){var r=e[t];e[t]=e[n],e[n]=r}function g(e,t){if(!e)throw new Error("string"==typeof t?t:t())}function v(e,t,n){void 0===n&&(n=""),g(w(e,t),(function(){return n+" Shapes ".concat(e," and ").concat(t," must match")}))}function m(e){g(null!=e,(function(){return"The input to the tensor constructor must be a non-null value."}))}function y(e){if(0===e.length)return 1;for(var t=e[0],n=1;n<e.length;n++)t*=e[n];return t}function b(e,t){if(e===t)return!0;if(null==e||null==t)return!1;if(e.length!==t.length)return!1;for(var n=0;n<e.length;n++)if(null!==e[n]&&null!==t[n]&&e[n]!==t[n])return!1;return!0}function w(e,t){if(e===t)return!0;if(null==e||null==t)return!1;if(e.length!==t.length)return!1;for(var n=0;n<e.length;n++)if(e[n]!==t[n])return!1;return!0}function k(e){return e%1==0}function x(e,t){return t<=e.length?e:e+" ".repeat(t-e.length)}function E(e,t){var n=t.length;return g((e=null==e?t.map((function(e,t){return t})):[].concat(e)).every((function(e){return e>=-n&&e<n})),(function(){return"All values in axis param must be in range [-".concat(n,", ").concat(n,") but ")+"got axis ".concat(e)})),g(e.every((function(e){return k(e)})),(function(){return"All values in axis param must be integers but "+"got axis ".concat(e)})),e.map((function(e){return e<0?n+e:e}))}function S(e,t){for(var n=[],r=[],a=null!=t&&Array.isArray(t)&&0===t.length,o=null==t||a?null:E(t,e).sort(),i=0,s=0;s<e.length;++s){if(null!=o){if(o[i]===s&&1!==e[s])throw new Error("Can't squeeze axis ".concat(s," since its dim '").concat(e[s],"' is not 1"));(null==o[i]||o[i]>s)&&1===e[s]&&(n.push(e[s]),r.push(s)),o[i]<=s&&i++}1!==e[s]&&(n.push(e[s]),r.push(s))}return{newShape:n,keptDims:r}}function A(e,t){return _(e,t)}function _(e,t){var n=null;if(null==e||"float32"===e)n=new Float32Array(t);else if("int32"===e)n=new Int32Array(t);else if("bool"===e)n=new Uint8Array(t);else{if("string"!==e)throw new Error("Unknown data type ".concat(e));n=new Array(t)}return n}function I(e,t){for(var n=0;n<e.length;n++){var r=e[n];if(isNaN(r)||!isFinite(r))throw Error("A tensor of type ".concat(t," being uploaded contains ").concat(r,"."))}}function N(e){return"bool"===e||"complex64"===e||"float32"===e||"int32"===e||"string"===e}function M(e){if("float32"===e||"int32"===e)return 4;if("complex64"===e)return 8;if("bool"===e)return 1;throw new Error("Unknown dtype ".concat(e))}function T(e){if(null==e)return 0;var t=0;return e.forEach((function(e){return t+=e.length})),t}function D(e){return"string"==typeof e||e instanceof String}function R(e){return"boolean"==typeof e}function B(e){return"number"==typeof e}function F(e){return Array.isArray(e)?F(e[0]):e instanceof Float32Array?"float32":e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray?"int32":B(e)?"float32":D(e)?"string":R(e)?"bool":"float32"}function C(e){return!!(e&&e.constructor&&e.call&&e.apply)}function P(e,t){for(var n=t;n<e;++n)if(e%n==0)return n;return e}function O(e){var t=e.length;if(t<2)return[];var n=new Array(t-1);n[t-2]=e[t-1];for(var r=t-3;r>=0;--r)n[r]=n[r+1]*e[r+1];return n}function L(e,t,n,r){void 0===r&&(r=!1);var a=new Array;if(1===t.length)for(var o=t[0]*(r?2:1),i=0;i<o;i++)a[i]=n[e+i];else{o=t[0];var s=t.slice(1),u=s.reduce((function(e,t){return e*t}))*(r?2:1);for(i=0;i<o;i++)a[i]=L(e+i*u,s,n,r)}return a}function z(e,t,n){if(void 0===n&&(n=!1),0===e.length)return t[0];var r=e.reduce((function(e,t){return e*t}))*(n?2:1);if(0===r)return[];if(r!==t.length)throw new Error("[".concat(e,"] does not match the input size ").concat(t.length).concat(n?" for a complex tensor":"","."));return L(0,e,t,n)}function U(e,t){for(var n=W(e,t),r=0;r<n.length;r++)n[r]=1;return n}function W(e,t){if(null==t||"float32"===t||"complex64"===t)return new Float32Array(e);if("int32"===t)return new Int32Array(e);if("bool"===t)return new Uint8Array(e);throw new Error("Unknown data type ".concat(t))}function G(e){e.forEach((function(t){g(Number.isInteger(t)&&t>=0,(function(){return"Tensor must have a shape comprised of positive integers but got "+"shape [".concat(e,"].")}))}))}function K(e){return e&&e.then&&"function"==typeof e.then}var q,V="tfjsflags",H=function(){function e(e){this.global=e,this.flags={},this.flagRegistry={},this.urlFlags={},this.getQueryParams=j,this.populateURLFlags()}return e.prototype.setPlatform=function(e,t){null!=this.platform&&(J().getBool("IS_TEST")||J().getBool("PROD")||console.warn("Platform ".concat(this.platformName," has already been set. ")+"Overwriting the platform with ".concat(e,"."))),this.platformName=e,this.platform=t},e.prototype.registerFlag=function(e,t,n){if(this.flagRegistry[e]={evaluationFn:t,setHook:n},null!=this.urlFlags[e]){var r=this.urlFlags[e];J().getBool("IS_TEST")||J().getBool("PROD")||console.warn("Setting feature override from URL ".concat(e,": ").concat(r,".")),this.set(e,r)}},e.prototype.getAsync=function(e){return a(this,void 0,void 0,(function(){var t,n;return o(this,(function(r){switch(r.label){case 0:return e in this.flags?[2,this.flags[e]]:(t=this.flags,n=e,[4,this.evaluateFlag(e)]);case 1:return t[n]=r.sent(),[2,this.flags[e]]}}))}))},e.prototype.get=function(e){if(e in this.flags)return this.flags[e];var t=this.evaluateFlag(e);if(K(t))throw new Error("Flag ".concat(e," cannot be synchronously evaluated. ")+"Please use getAsync() instead.");return this.flags[e]=t,this.flags[e]},e.prototype.getNumber=function(e){return this.get(e)},e.prototype.getBool=function(e){return this.get(e)},e.prototype.getString=function(e){return this.get(e)},e.prototype.getFlags=function(){return this.flags},Object.defineProperty(e.prototype,"features",{get:function(){return this.flags},enumerable:!1,configurable:!0}),e.prototype.set=function(e,t){if(null==this.flagRegistry[e])throw new Error("Cannot set flag ".concat(e," as it has not been registered."));this.flags[e]=t,null!=this.flagRegistry[e].setHook&&this.flagRegistry[e].setHook(t)},e.prototype.evaluateFlag=function(e){if(null==this.flagRegistry[e])throw new Error("Cannot evaluate flag '".concat(e,"': no evaluation function found."));return this.flagRegistry[e].evaluationFn()},e.prototype.setFlags=function(e){this.flags=Object.assign({},e)},e.prototype.reset=function(){this.flags={},this.urlFlags={},this.populateURLFlags()},e.prototype.populateURLFlags=function(){var e=this;if("undefined"!=typeof this.global&&"undefined"!=typeof this.global.location&&"undefined"!=typeof this.global.location.search){var t=this.getQueryParams(this.global.location.search);if(V in t)t.tfjsflags.split(",").forEach((function(t){var n=s(t.split(":"),2),r=n[0],a=n[1];e.urlFlags[r]=function(e,t){var n=t.toLowerCase();return"true"===n||"false"===n?"true"===n:"".concat(+n)===n?+n:t}(0,a)}))}},e}();function j(e){var t={};return e.replace(/[?&]([^=?&]+)(?:=([^&]*))?/g,(function(e){for(var n=[],r=1;r<arguments.length;r++)n[r-1]=arguments[r];return Z(t,n[0],n[1]),n.join("=")})),t}function Z(e,t,n){e[decodeURIComponent(t)]=decodeURIComponent(n||"")}function J(){return e.ENV}function Y(){if(null==q){var e=void 0;if("undefined"!=typeof window)e=window;else if("undefined"!=typeof global)e=global;else if("undefined"!=typeof process)e=process;else{if("undefined"==typeof self)throw new Error("Could not find a global object");e=self}q=e}return q}function X(e,t){var n,r=(null==(n=Y())._tfGlobals&&(n._tfGlobals=new Map),n._tfGlobals);if(r.has(e))return r.get(e);var a=t();return r.set(e,a),r.get(e)}e.ENV=null;var Q="Acos",$="Acosh",ee="Add",te="AddN",ne="ArgMax",re="ArgMin",ae="Asin",oe="Asinh",ie="Atan",se="Atanh",ue="Atan2",ce="AvgPool",le="AvgPool3D",he="BatchMatMul",fe="BatchToSpaceND",de="Bincount",pe="BitwiseAnd",ge="BroadcastArgs",ve="Cast",me="Ceil",ye="ClipByValue",be="Complex",we="ComplexAbs",ke="Concat",xe="Conv2D",Ee="Conv2DBackpropFilter",Se="Conv2DBackpropInput",Ae="Conv3D",_e="Conv3DBackpropInputV2",Ie="Cosh",Ne="Cumprod",Me="Cumsum",Te="CropAndResize",De="DenseBincount",Re="DepthToSpace",Be="DepthwiseConv2dNative",Fe="DepthwiseConv2dNativeBackpropFilter",Ce="DepthwiseConv2dNativeBackpropInput",Pe="Diag",Oe="Dilation2D",Le="Draw",ze="RealDiv",Ue="Einsum",We="Equal",Ge="ExpandDims",Ke="Expm1",qe="Fill",Ve="FlipLeftRight",He="Floor",je="FloorDiv",Ze="FusedBatchNorm",Je="GatherV2",Ye="GatherNd",Xe="Greater",Qe="GreaterEqual",$e="Identity",et="IFFT",tt="Imag",nt="IsFinite",rt="IsInf",at="IsNan",ot="LeakyRelu",it="Less",st="LessEqual",ut="LinSpace",ct="Log1p",lt="LogicalAnd",ht="LogicalNot",ft="LogicalOr",dt="Maximum",pt="MaxPool",gt="MaxPool3D",vt="MaxPoolWithArgmax",mt="Mean",yt="Minimum",bt="MirrorPad",wt="Multinomial",kt="Multiply",xt="NotEqual",Et="NonMaxSuppressionV3",St="NonMaxSuppressionV4",At="NonMaxSuppressionV5",_t="OnesLike",It="OneHot",Nt="Pack",Mt="PadV2",Tt="Prelu",Dt="Prod",Rt="RaggedGather",Bt="RaggedRange",Ft="RaggedTensorToTensor",Ct="Range",Pt="Real",Ot="Reciprocal",Lt="Relu",zt="Reshape",Ut="ResizeNearestNeighbor",Wt="ResizeBilinear",Gt="Relu6",Kt="Reverse",qt="Round",Vt="Rsqrt",Ht="ScatterNd",jt="TensorScatterUpdate",Zt="SearchSorted",Jt="Select",Yt="Selu",Xt="Slice",Qt="Sinh",$t="Sign",en="Sigmoid",tn="Softplus",nn="Sqrt",rn="SpaceToBatchND",an="SplitV",on="Softmax",sn="SparseFillEmptyRows",un="SparseReshape",cn="SparseSegmentMean",ln="SparseSegmentSum",hn="SparseToDense",fn="SquaredDifference",dn="StaticRegexReplace",pn="StridedSlice",gn="StringNGrams",vn="StringSplit",mn="StringToHashBucketFast",yn="Tanh",bn="Tile",wn="TopK",kn="Transform",xn="Transpose",En="Unique",Sn="Unpack",An="UnsortedSegmentSum",_n="ZerosLike",In="Step",Nn="FromPixels",Mn="RotateWithOffset",Tn="_FusedMatMul",Dn="FusedConv2D",Rn="FusedDepthwiseConv2D";function Bn(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];J().getBool("IS_TEST")||J().getBool("PROD")||console.warn.apply(console,u([],s(e),!1))}var Fn=X("kernelRegistry",(function(){return new Map})),Cn=X("gradRegistry",(function(){return new Map}));function Pn(e,t){var n=Un(e,t);return Fn.get(n)}function On(e){return Cn.get(e)}function Ln(e){for(var t=Fn.entries(),n=[];;){var r=t.next(),a=r.done,o=r.value;if(a)break;var i=s(o,2),u=i[0],c=i[1];s(u.split("_"),1)[0]===e&&n.push(c)}return n}function zn(e){var t=e.kernelName,n=e.backendName,r=Un(t,n);Fn.has(r)&&Bn("The kernel '".concat(t,"' for backend ")+"'".concat(n,"' is already registered")),Fn.set(r,e)}function Un(e,t){return"".concat(t,"_").concat(e)}function Wn(e){return e instanceof Float32Array||e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray}var Gn="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};function Kn(e){return e&&e.__esModule&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e}var qn=Hn,Vn=null;try{Vn=new WebAssembly.Instance(new WebAssembly.Module(new Uint8Array([0,97,115,109,1,0,0,0,1,13,2,96,0,1,127,96,4,127,127,127,127,1,127,3,7,6,0,1,1,1,1,1,6,6,1,127,1,65,0,11,7,50,6,3,109,117,108,0,1,5,100,105,118,95,115,0,2,5,100,105,118,95,117,0,3,5,114,101,109,95,115,0,4,5,114,101,109,95,117,0,5,8,103,101,116,95,104,105,103,104,0,0,10,191,1,6,4,0,35,0,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,126,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,127,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,128,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,129,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,130,34,4,66,32,135,167,36,0,32,4,167,11])),{}).exports}catch(e){}function Hn(e,t,n){this.low=0|e,this.high=0|t,this.unsigned=!!n}function jn(e){return!0===(e&&e.__isLong__)}Hn.prototype.__isLong__,Object.defineProperty(Hn.prototype,"__isLong__",{value:!0}),Hn.isLong=jn;var Zn={},Jn={};function Yn(e,t){var n,r,a;return t?(a=0<=(e>>>=0)&&e<256)&&(r=Jn[e])?r:(n=Qn(e,(0|e)<0?-1:0,!0),a&&(Jn[e]=n),n):(a=-128<=(e|=0)&&e<128)&&(r=Zn[e])?r:(n=Qn(e,e<0?-1:0,!1),a&&(Zn[e]=n),n)}function Xn(e,t){if(isNaN(e))return t?sr:ir;if(t){if(e<0)return sr;if(e>=rr)return fr}else{if(e<=-ar)return dr;if(e+1>=ar)return hr}return e<0?Xn(-e,t).neg():Qn(e%nr|0,e/nr|0,t)}function Qn(e,t,n){return new Hn(e,t,n)}Hn.fromInt=Yn,Hn.fromNumber=Xn,Hn.fromBits=Qn;var $n=Math.pow;function er(e,t,n){if(0===e.length)throw Error("empty string");if("NaN"===e||"Infinity"===e||"+Infinity"===e||"-Infinity"===e)return ir;if("number"==typeof t?(n=t,t=!1):t=!!t,(n=n||10)<2||36<n)throw RangeError("radix");var r;if((r=e.indexOf("-"))>0)throw Error("interior hyphen");if(0===r)return er(e.substring(1),t,n).neg();for(var a=Xn($n(n,8)),o=ir,i=0;i<e.length;i+=8){var s=Math.min(8,e.length-i),u=parseInt(e.substring(i,i+s),n);if(s<8){var c=Xn($n(n,s));o=o.mul(c).add(Xn(u))}else o=(o=o.mul(a)).add(Xn(u))}return o.unsigned=t,o}function tr(e,t){return"number"==typeof e?Xn(e,t):"string"==typeof e?er(e,t):Qn(e.low,e.high,"boolean"==typeof t?t:e.unsigned)}Hn.fromString=er,Hn.fromValue=tr;var nr=4294967296,rr=nr*nr,ar=rr/2,or=Yn(1<<24),ir=Yn(0);Hn.ZERO=ir;var sr=Yn(0,!0);Hn.UZERO=sr;var ur=Yn(1);Hn.ONE=ur;var cr=Yn(1,!0);Hn.UONE=cr;var lr=Yn(-1);Hn.NEG_ONE=lr;var hr=Qn(-1,2147483647,!1);Hn.MAX_VALUE=hr;var fr=Qn(-1,-1,!0);Hn.MAX_UNSIGNED_VALUE=fr;var dr=Qn(0,-2147483648,!1);Hn.MIN_VALUE=dr;var pr=Hn.prototype;pr.toInt=function(){return this.unsigned?this.low>>>0:this.low},pr.toNumber=function(){return this.unsigned?(this.high>>>0)*nr+(this.low>>>0):this.high*nr+(this.low>>>0)},pr.toString=function(e){if((e=e||10)<2||36<e)throw RangeError("radix");if(this.isZero())return"0";if(this.isNegative()){if(this.eq(dr)){var t=Xn(e),n=this.div(t),r=n.mul(t).sub(this);return n.toString(e)+r.toInt().toString(e)}return"-"+this.neg().toString(e)}for(var a=Xn($n(e,6),this.unsigned),o=this,i="";;){var s=o.div(a),u=(o.sub(s.mul(a)).toInt()>>>0).toString(e);if((o=s).isZero())return u+i;for(;u.length<6;)u="0"+u;i=""+u+i}},pr.getHighBits=function(){return this.high},pr.getHighBitsUnsigned=function(){return this.high>>>0},pr.getLowBits=function(){return this.low},pr.getLowBitsUnsigned=function(){return this.low>>>0},pr.getNumBitsAbs=function(){if(this.isNegative())return this.eq(dr)?64:this.neg().getNumBitsAbs();for(var e=0!=this.high?this.high:this.low,t=31;t>0&&0==(e&1<<t);t--);return 0!=this.high?t+33:t+1},pr.isZero=function(){return 0===this.high&&0===this.low},pr.eqz=pr.isZero,pr.isNegative=function(){return!this.unsigned&&this.high<0},pr.isPositive=function(){return this.unsigned||this.high>=0},pr.isOdd=function(){return 1==(1&this.low)},pr.isEven=function(){return 0==(1&this.low)},pr.equals=function(e){return jn(e)||(e=tr(e)),(this.unsigned===e.unsigned||this.high>>>31!=1||e.high>>>31!=1)&&(this.high===e.high&&this.low===e.low)},pr.eq=pr.equals,pr.notEquals=function(e){return!this.eq(e)},pr.neq=pr.notEquals,pr.ne=pr.notEquals,pr.lessThan=function(e){return this.comp(e)<0},pr.lt=pr.lessThan,pr.lessThanOrEqual=function(e){return this.comp(e)<=0},pr.lte=pr.lessThanOrEqual,pr.le=pr.lessThanOrEqual,pr.greaterThan=function(e){return this.comp(e)>0},pr.gt=pr.greaterThan,pr.greaterThanOrEqual=function(e){return this.comp(e)>=0},pr.gte=pr.greaterThanOrEqual,pr.ge=pr.greaterThanOrEqual,pr.compare=function(e){if(jn(e)||(e=tr(e)),this.eq(e))return 0;var t=this.isNegative(),n=e.isNegative();return t&&!n?-1:!t&&n?1:this.unsigned?e.high>>>0>this.high>>>0||e.high===this.high&&e.low>>>0>this.low>>>0?-1:1:this.sub(e).isNegative()?-1:1},pr.comp=pr.compare,pr.negate=function(){return!this.unsigned&&this.eq(dr)?dr:this.not().add(ur)},pr.neg=pr.negate,pr.add=function(e){jn(e)||(e=tr(e));var t=this.high>>>16,n=65535&this.high,r=this.low>>>16,a=65535&this.low,o=e.high>>>16,i=65535&e.high,s=e.low>>>16,u=0,c=0,l=0,h=0;return l+=(h+=a+(65535&e.low))>>>16,c+=(l+=r+s)>>>16,u+=(c+=n+i)>>>16,u+=t+o,Qn((l&=65535)<<16|(h&=65535),(u&=65535)<<16|(c&=65535),this.unsigned)},pr.subtract=function(e){return jn(e)||(e=tr(e)),this.add(e.neg())},pr.sub=pr.subtract,pr.multiply=function(e){if(this.isZero())return ir;if(jn(e)||(e=tr(e)),Vn)return Qn(Vn.mul(this.low,this.high,e.low,e.high),Vn.get_high(),this.unsigned);if(e.isZero())return ir;if(this.eq(dr))return e.isOdd()?dr:ir;if(e.eq(dr))return this.isOdd()?dr:ir;if(this.isNegative())return e.isNegative()?this.neg().mul(e.neg()):this.neg().mul(e).neg();if(e.isNegative())return this.mul(e.neg()).neg();if(this.lt(or)&&e.lt(or))return Xn(this.toNumber()*e.toNumber(),this.unsigned);var t=this.high>>>16,n=65535&this.high,r=this.low>>>16,a=65535&this.low,o=e.high>>>16,i=65535&e.high,s=e.low>>>16,u=65535&e.low,c=0,l=0,h=0,f=0;return h+=(f+=a*u)>>>16,l+=(h+=r*u)>>>16,h&=65535,l+=(h+=a*s)>>>16,c+=(l+=n*u)>>>16,l&=65535,c+=(l+=r*s)>>>16,l&=65535,c+=(l+=a*i)>>>16,c+=t*u+n*s+r*i+a*o,Qn((h&=65535)<<16|(f&=65535),(c&=65535)<<16|(l&=65535),this.unsigned)},pr.mul=pr.multiply,pr.divide=function(e){if(jn(e)||(e=tr(e)),e.isZero())throw Error("division by zero");var t,n,r;if(Vn)return this.unsigned||-2147483648!==this.high||-1!==e.low||-1!==e.high?Qn((this.unsigned?Vn.div_u:Vn.div_s)(this.low,this.high,e.low,e.high),Vn.get_high(),this.unsigned):this;if(this.isZero())return this.unsigned?sr:ir;if(this.unsigned){if(e.unsigned||(e=e.toUnsigned()),e.gt(this))return sr;if(e.gt(this.shru(1)))return cr;r=sr}else{if(this.eq(dr))return e.eq(ur)||e.eq(lr)?dr:e.eq(dr)?ur:(t=this.shr(1).div(e).shl(1)).eq(ir)?e.isNegative()?ur:lr:(n=this.sub(e.mul(t)),r=t.add(n.div(e)));if(e.eq(dr))return this.unsigned?sr:ir;if(this.isNegative())return e.isNegative()?this.neg().div(e.neg()):this.neg().div(e).neg();if(e.isNegative())return this.div(e.neg()).neg();r=ir}for(n=this;n.gte(e);){t=Math.max(1,Math.floor(n.toNumber()/e.toNumber()));for(var a=Math.ceil(Math.log(t)/Math.LN2),o=a<=48?1:$n(2,a-48),i=Xn(t),s=i.mul(e);s.isNegative()||s.gt(n);)s=(i=Xn(t-=o,this.unsigned)).mul(e);i.isZero()&&(i=ur),r=r.add(i),n=n.sub(s)}return r},pr.div=pr.divide,pr.modulo=function(e){return jn(e)||(e=tr(e)),Vn?Qn((this.unsigned?Vn.rem_u:Vn.rem_s)(this.low,this.high,e.low,e.high),Vn.get_high(),this.unsigned):this.sub(this.div(e).mul(e))},pr.mod=pr.modulo,pr.rem=pr.modulo,pr.not=function(){return Qn(~this.low,~this.high,this.unsigned)},pr.and=function(e){return jn(e)||(e=tr(e)),Qn(this.low&e.low,this.high&e.high,this.unsigned)},pr.or=function(e){return jn(e)||(e=tr(e)),Qn(this.low|e.low,this.high|e.high,this.unsigned)},pr.xor=function(e){return jn(e)||(e=tr(e)),Qn(this.low^e.low,this.high^e.high,this.unsigned)},pr.shiftLeft=function(e){return jn(e)&&(e=e.toInt()),0==(e&=63)?this:e<32?Qn(this.low<<e,this.high<<e|this.low>>>32-e,this.unsigned):Qn(0,this.low<<e-32,this.unsigned)},pr.shl=pr.shiftLeft,pr.shiftRight=function(e){return jn(e)&&(e=e.toInt()),0==(e&=63)?this:e<32?Qn(this.low>>>e|this.high<<32-e,this.high>>e,this.unsigned):Qn(this.high>>e-32,this.high>=0?0:-1,this.unsigned)},pr.shr=pr.shiftRight,pr.shiftRightUnsigned=function(e){if(jn(e)&&(e=e.toInt()),0===(e&=63))return this;var t=this.high;return e<32?Qn(this.low>>>e|t<<32-e,t>>>e,this.unsigned):Qn(32===e?t:t>>>e-32,0,this.unsigned)},pr.shru=pr.shiftRightUnsigned,pr.shr_u=pr.shiftRightUnsigned,pr.toSigned=function(){return this.unsigned?Qn(this.low,this.high,!1):this},pr.toUnsigned=function(){return this.unsigned?this:Qn(this.low,this.high,!0)},pr.toBytes=function(e){return e?this.toBytesLE():this.toBytesBE()},pr.toBytesLE=function(){var e=this.high,t=this.low;return[255&t,t>>>8&255,t>>>16&255,t>>>24,255&e,e>>>8&255,e>>>16&255,e>>>24]},pr.toBytesBE=function(){var e=this.high,t=this.low;return[e>>>24,e>>>16&255,e>>>8&255,255&e,t>>>24,t>>>16&255,t>>>8&255,255&t]},Hn.fromBytes=function(e,t,n){return n?Hn.fromBytesLE(e,t):Hn.fromBytesBE(e,t)},Hn.fromBytesLE=function(e,t){return new Hn(e[0]|e[1]<<8|e[2]<<16|e[3]<<24,e[4]|e[5]<<8|e[6]<<16|e[7]<<24,t)},Hn.fromBytesBE=function(e,t){return new Hn(e[4]<<24|e[5]<<16|e[6]<<8|e[7],e[0]<<24|e[1]<<16|e[2]<<8|e[3],t)};var gr=Kn(qn),vr=gr||t({__proto__:null,default:gr},[qn]);function mr(e){return vr.fromString(e,!0,16)}var yr=mr("c3a5c85c97cb3127"),br=mr("b492b66fbe98f273"),wr=mr("9ae16a3b2f90404f");function kr(e){return e.xor(e.shru(47))}function xr(e,t,n){var r=e.slice(t,t+n);return vr.fromBytes(Array.from(r),!0,!0)}function Er(e,t){return xr(e,t,8)}function Sr(e,t){return xr(e,t,4)}function Ar(e,t){return 0===t?e:e.shru(t).or(e.shl(64-t))}function _r(e,t,n){void 0===n&&(n=mr("9ddfea08eb382d69"));var r=e.xor(t).mul(n);r=r.xor(r.shru(47));var a=t.xor(r).mul(n);return a=(a=a.xor(a.shru(47))).mul(n)}function Ir(e,t,n,r){return function(e,t,n,r,a,o){a=a.add(e),o=Ar(o.add(a).add(r),21);var i=a;return a=(a=a.add(t)).add(n),o=o.add(Ar(a,44)),[a.add(r),o.add(i)]}(Er(e,t),Er(e,t+8),Er(e,t+16),Er(e,t+24),n,r)}function Nr(e,t){if("string"===t)throw new Error("Cannot convert a string[] to a TypedArray");if(Array.isArray(e)&&(e=Br(e)),J().getBool("DEBUG")&&I(e,t),function(e,t){return e instanceof Float32Array&&"float32"===t||e instanceof Int32Array&&"int32"===t||e instanceof Uint8Array&&"bool"===t}(e,t))return e;if(null==t||"float32"===t||"complex64"===t)return new Float32Array(e);if("int32"===t)return new Int32Array(e);if("bool"===t){for(var n=new Uint8Array(e.length),r=0;r<n.length;++r)0!==Math.round(e[r])&&(n[r]=1);return n}throw new Error("Unknown data type ".concat(t))}function Mr(){return J().platform.now()}function Tr(e,t){return void 0===t&&(t="utf-8"),t=t||"utf-8",J().platform.encode(e,t)}function Dr(e,t){return void 0===t&&(t="utf-8"),t=t||"utf-8",J().platform.decode(e,t)}function Rr(e){return null!=J().platform.isTypedArray?J().platform.isTypedArray(e):Wn(e)}function Br(e,t,n){var r,a;if(void 0===t&&(t=[]),void 0===n&&(n=!1),null==t&&(t=[]),"boolean"==typeof e||"number"==typeof e||"string"==typeof e||K(e)||null==e||Rr(e)&&n)t.push(e);else if(Array.isArray(e)||Rr(e))for(var o=0;o<e.length;++o)Br(e[o],t,n);else{var s=-1;try{for(var u=i(Object.keys(e)),c=u.next();!c.done;c=u.next()){var l=c.value;/^([1-9]+[0-9]*|0)$/.test(l)&&(s=Math.max(s,Number(l)))}}catch(e){r={error:e}}finally{try{c&&!c.done&&(a=u.return)&&a.call(u)}finally{if(r)throw r.error}}for(o=0;o<=s;o++)Br(e[o],t,n)}return t}var Fr={__proto__:null,arraysEqual:w,arraysEqualWithNull:b,assert:g,assertNonNegativeIntegerDimensions:G,assertNonNull:m,assertShapesMatch:v,bytesFromStringArray:T,bytesPerElement:M,checkConversionForErrors:I,clamp:d,computeStrides:O,convertBackendValuesAndArrayBuffer:function(e,t){if(Array.isArray(e))return e;if("float32"===t)return e instanceof Float32Array?e:new Float32Array(e);if("int32"===t)return e instanceof Int32Array?e:new Int32Array(e);if("bool"===t||"string"===t)return Uint8Array.from(new Int32Array(e));throw new Error("Unknown dtype ".concat(t))},createScalarValue:function(e,t){return"string"===t?Tr(e):Nr([e],t)},createShuffledIndices:function(e){for(var t=new Uint32Array(e),n=0;n<e;++n)t[n]=n;return f(t),t},decodeString:Dr,distSquared:function(e,t){for(var n=0,r=0;r<e.length;r++){var a=Number(e[r])-Number(t[r]);n+=a*a}return n},encodeString:Tr,fetch:function(e,t){return J().platform.fetch(e,t)},fingerPrint64:function(e,t){var n,r;void 0===t&&(t=e.length);var a=vr.fromNumber(81,!0);if(t<=32)return t<=16?function(e,t){if(void 0===t&&(t=e.length),t>=8){var n=wr.add(2*t),r=Er(e,0).add(wr);return _r(Ar(a=Er(e,t-8),37).mul(n).add(r),Ar(r,25).add(a).mul(n),n)}if(t>=4)return n=wr.add(2*t),_r((r=Sr(e,0)).shl(3).add(t),Sr(e,t-4),n);if(t>0){var a,o=(r=e[0])+((a=e[t>>1])<<8),i=t+(e[t-1]<<2);return kr(wr.mul(o).xor(yr.mul(i))).mul(wr)}return wr}(e,t):function(e,t){void 0===t&&(t=e.length);var n=wr.add(2*t),r=Er(e,0).mul(br),a=Er(e,8),o=Er(e,t-8).mul(n),i=Er(e,t-16).mul(wr);return _r(Ar(r.add(a),43).add(Ar(o,30)).add(i),r.add(Ar(a.add(wr),18)).add(o),n)}(e,t);if(t<=64)return function(e,t){void 0===t&&(t=e.length);var n=wr.add(2*t),r=Er(e,0).mul(wr),a=Er(e,8),o=Er(e,t-8).mul(n),i=Er(e,t-16).mul(wr),s=Ar(r.add(a),43).add(Ar(o,30)).add(i),u=_r(s,r.add(Ar(a.add(wr),18)).add(o),n),c=Er(e,16).mul(n),l=Er(e,24),h=s.add(Er(e,t-32)).mul(n),f=u.add(Er(e,t-24)).mul(n);return _r(Ar(c.add(l),43).add(Ar(h,30)).add(f),c.add(Ar(l.add(r),18)).add(h),n)}(e,t);var o=a,i=a.mul(br).add(113),u=kr(i.mul(wr).add(113)).mul(wr),c=[vr.UZERO,vr.UZERO],l=[vr.UZERO,vr.UZERO];o=o.mul(wr).add(Er(e,0));var h=0,f=64*(t-1>>6),d=f+(t-1&63)-63;do{o=Ar(o.add(i).add(c[0]).add(Er(e,h+8)),37).mul(br),i=Ar(i.add(c[1]).add(Er(e,h+48)),42).mul(br),o=o.xor(l[1]),i=i.add(c[0]).add(Er(e,h+40)),u=Ar(u.add(l[0]),33).mul(br),c=Ir(e,h,c[1].mul(br),o.add(l[0])),l=Ir(e,h+32,u.add(l[1]),i.add(Er(e,h+16))),u=(n=s([o,u],2))[0],o=n[1],h+=64}while(h!==f);var p=br.add(u.and(255).shl(1));return h=d,l[0]=l[0].add(t-1&63),c[0]=c[0].add(l[0]),l[0]=l[0].add(c[0]),o=Ar(o.add(i).add(c[0]).add(Er(e,h+8)),37).mul(p),i=Ar(i.add(c[1]).add(Er(e,h+48)),42).mul(p),o=o.xor(l[1].mul(9)),i=i.add(c[0].mul(9).add(Er(e,h+40))),u=Ar(u.add(l[0]),33).mul(p),c=Ir(e,h,c[1].mul(p),o.add(l[0])),l=Ir(e,h+32,u.add(l[1]),i.add(Er(e,h+16))),u=(r=s([o,u],2))[0],o=r[1],_r(_r(c[0],l[0],p).add(kr(i).mul(yr)).add(u),_r(c[1],l[1],p).add(o),p)},flatten:Br,getArrayFromDType:_,getTypedArrayFromDType:A,hasEncodingLoss:function(e,t){return"complex64"!==t&&(("float32"!==t||"complex64"===e)&&(("int32"!==t||"float32"===e||"complex64"===e)&&("bool"!==t||"bool"!==e)))},hexToLong:mr,indexToLoc:function(e,t,n){if(0===t)return[];if(1===t)return[e];for(var r=new Array(t),a=0;a<r.length-1;++a)r[a]=Math.floor(e/n[a]),e-=r[a]*n[a];return r[r.length-1]=e,r},inferDtype:F,inferFromImplicitShape:function(e,t){for(var n=1,r=-1,a=0;a<e.length;++a)if(e[a]>=0)n*=e[a];else if(-1===e[a]){if(-1!==r)throw Error("Shapes can only have 1 implicit size. "+"Found -1 at dim ".concat(r," and dim ").concat(a));r=a}else if(e[a]<0)throw Error("Shapes can not be < 0. Found ".concat(e[a]," at dim ").concat(a));if(-1===r){if(t>0&&t!==n)throw Error("Size(".concat(t,") must match the product of shape ").concat(e));return e}if(0===n)throw Error("Cannot infer the missing size in [".concat(e,"] when ")+"there are 0 elements");if(t%n!=0)throw Error("The implicit shape can't be a fractional number. "+"Got ".concat(t," / ").concat(n));var o=e.slice();return o[r]=t/n,o},isBoolean:R,isFunction:C,isInt:k,isNumber:B,isPromise:K,isScalarShape:function(e){return 0===e.length},isString:D,isTypedArray:Rr,isValidDtype:N,locToIndex:function(e,t,n){if(0===t)return 0;if(1===t)return e[0];for(var r=e[e.length-1],a=0;a<e.length-1;++a)r+=n[a]*e[a];return r},makeOnesTypedArray:U,makeZerosNestedTypedArray:function(e,t){var n=e.reduce((function(e,t){return e*t}),1);if(null==t||"float32"===t)return z(e,new Float32Array(n));if("int32"===t)return z(e,new Int32Array(n));if("bool"===t)return z(e,new Uint8Array(n));throw new Error("Unknown data type ".concat(t))},makeZerosTypedArray:W,nearestDivisor:P,nearestLargerEven:function(e){return e%2==0?e:e+1},now:Mr,parseAxisParam:E,randUniform:function(e,t){var n=Math.random();return t*n+(1-n)*e},repeatedTry:function(e,t,n,r){return void 0===t&&(t=function(e){return 0}),new Promise((function(a,o){var i=0,s=function(){if(e())a();else{i++;var u=t(i);null!=n&&i>=n?o():null!=r?r(s,u):setTimeout(s,u)}};s()}))},rightPad:x,shuffle:f,shuffleCombo:function(e,t){if(e.length!==t.length)throw new Error("Array sizes must match to be shuffled together "+"First array length was ".concat(e.length)+"Second array length was ".concat(t.length));for(var n=e.length,r=0;n>0;)r=Math.random()*n|0,p(e,--n,r),p(t,n,r)},sizeFromShape:y,sizeToSquarishShape:function(e){var t=Math.ceil(Math.sqrt(e));return[t,Math.ceil(e/t)]},squeezeShape:S,sum:function(e){for(var t=0,n=0;n<e.length;n++)t+=e[n];return t},swap:p,tanh:function(e){if(null!=Math.tanh)return Math.tanh(e);if(e===1/0)return 1;if(e===-1/0)return-1;var t=Math.exp(2*e);return(t-1)/(t+1)},toNestedArray:z,toTypedArray:Nr},Cr=function(){function e(e,t){this.backendTimer=e,this.logger=t,null==t&&(this.logger=new Pr)}return e.prototype.profileKernel=function(e,t,n){var r,a,o,s,u=function(){o=n()},c=Mr();if(this.backendTimer.timerAvailable())s=this.backendTimer.time(u);else{u();try{for(var l=i(o),h=l.next();!h.done;h=l.next()){h.value.dataSync()}}catch(e){r={error:e}}finally{try{h&&!h.done&&(a=l.return)&&a.call(l)}finally{if(r)throw r.error}}s=Promise.resolve({kernelMs:Mr()-c})}if(J().getBool("CHECK_COMPUTATION_FOR_ERRORS"))for(var f=function(t){var n=o[t];n.data().then((function(t){!function(e,t,n){if("float32"!==t)return!1;for(var r=0;r<e.length;r++){var a=e[r];if(isNaN(a)||!isFinite(a))return console.warn("Found ".concat(a," in the result of '").concat(n,"'")),!0}}(t,n.dtype,e)}))},d=0;d<o.length;d++)f(d);return{kernelName:e,outputs:o,inputs:t,timeMs:s.then((function(e){return e.kernelMs})),extraInfo:s.then((function(e){return null!=e.getExtraProfileInfo?e.getExtraProfileInfo():""}))}},e.prototype.logKernelProfile=function(e){var t=this,n=e.kernelName,r=e.outputs,a=e.timeMs,o=e.inputs,i=e.extraInfo;r.forEach((function(e){Promise.all([e.data(),a,i]).then((function(r){t.logger.logKernelProfile(n,e,r[0],r[1],o,r[2])}))}))},e}();var Pr=function(){function e(){}return e.prototype.logKernelProfile=function(e,t,n,r,a,o){var i="number"==typeof r?x("".concat(r,"ms"),9):r.error,s=x(e,25),u=t.rank,c=t.size,l=x(t.shape.toString(),14),h="";for(var f in a){var d=a[f];if(null!=d){var p=d.shape||t.shape,g=p.length;h+="".concat(f,": ").concat(g,"D ").concat(g>0?p:""," ")}}console.log("%c".concat(s,"\t%c").concat(i,"\t%c").concat(u,"D ").concat(l,"\t%c").concat(c,"\t%c").concat(h,"\t%c").concat(o),"font-weight:bold","color:red","color:blue","color: orange","color: green","color: steelblue")},e}();function Or(e,t,n,r){var a=O(t),o=function(e,t,n,r){var a=y(t),o=r[r.length-1],i=new Array(o).fill(0),s=t.length,u="complex64"===n?Wr(e):e;if(s>1)for(var c=0;c<a/o;c++)for(var l=c*o,h=0;h<o;h++)i[h]=Math.max(i[h],Lr(u[l+h],0,n).length);return i}(e,t,n,a),i=t.length,s=Ur(e,t,n,a,o),u=["Tensor"];return r&&(u.push("  dtype: ".concat(n)),u.push("  rank: ".concat(i)),u.push("  shape: [".concat(t,"]")),u.push("  values:")),u.push(s.map((function(e){return"    "+e})).join("\n")),u.join("\n")}function Lr(e,t,n){return x(Array.isArray(e)?"".concat(parseFloat(e[0].toFixed(7))," + ")+"".concat(parseFloat(e[1].toFixed(7)),"j"):D(e)?"'".concat(e,"'"):"bool"===n?zr(e):parseFloat(e.toFixed(7)).toString(),t)}function zr(e){return 0===e?"false":"true"}function Ur(e,t,n,r,a,o){void 0===o&&(o=!0);var i="complex64"===n?2:1,c=t[0],l=t.length;if(0===l)return"complex64"===n?[Lr(Wr(e)[0],0,n)]:"bool"===n?[zr(e[0])]:[e[0].toString()];if(1===l){if(c>20){var h=3*i,f=Array.from(e.slice(0,h)),d=Array.from(e.slice((c-3)*i,c*i));return"complex64"===n&&(f=Wr(f),d=Wr(d)),["["+f.map((function(e,t){return Lr(e,a[t],n)})).join(", ")+", ..., "+d.map((function(e,t){return Lr(e,a[c-3+t],n)})).join(", ")+"]"]}return["["+("complex64"===n?Wr(e):Array.from(e)).map((function(e,t){return Lr(e,a[t],n)})).join(", ")+"]"]}var p=t.slice(1),g=r.slice(1),v=r[0]*i,m=[];if(c>20){for(var y=0;y<3;y++){var b=(w=y*v)+v;m.push.apply(m,u([],s(Ur(e.slice(w,b),p,n,g,a,!1)),!1))}m.push("...");for(y=c-3;y<c;y++){b=(w=y*v)+v;m.push.apply(m,u([],s(Ur(e.slice(w,b),p,n,g,a,y===c-1)),!1))}}else for(y=0;y<c;y++){var w;b=(w=y*v)+v;m.push.apply(m,u([],s(Ur(e.slice(w,b),p,n,g,a,y===c-1)),!1))}var k=2===l?",":"";m[0]="["+(c>0?m[0]+k:"");for(y=1;y<m.length-1;y++)m[y]=" "+m[y]+k;var x=",\n";for(y=2;y<l;y++)x+="\n";return m[m.length-1]=" "+m[m.length-1]+"]"+(o?"":x),m}function Wr(e){for(var t=[],n=0;n<e.length;n+=2)t.push([e[n],e[n+1]]);return t}var Gr=function(){function e(e,t,n){var r=this;if(this.dtype=t,this.shape=e.slice(),this.size=y(e),null!=n){var a=n.length;g(a===this.size,(function(){return"Length of values '".concat(a,"' does not match the size ")+"inferred by the shape '".concat(r.size,"'.")}))}if("complex64"===t)throw new Error("complex64 dtype TensorBuffers are not supported. Please create a TensorBuffer for the real and imaginary parts separately and call tf.complex(real, imag).");this.values=n||_(t,this.size),this.strides=O(e)}return e.prototype.set=function(e){for(var t=this,n=[],r=1;r<arguments.length;r++)n[r-1]=arguments[r];0===n.length&&(n=[0]),g(n.length===this.rank,(function(){return"The number of provided coordinates (".concat(n.length,") must ")+"match the rank (".concat(t.rank,")")}));var a=this.locToIndex(n);this.values[a]=e},e.prototype.get=function(){for(var e,t,n=[],r=0;r<arguments.length;r++)n[r]=arguments[r];0===n.length&&(n=[0]);var a=0;try{for(var o=i(n),s=o.next();!s.done;s=o.next()){var u=s.value;if(u<0||u>=this.shape[a]){var c="Requested out of range element at ".concat(n,". ")+"  Buffer shape=".concat(this.shape);throw new Error(c)}a++}}catch(t){e={error:t}}finally{try{s&&!s.done&&(t=o.return)&&t.call(o)}finally{if(e)throw e.error}}for(var l=n[n.length-1],h=0;h<n.length-1;++h)l+=this.strides[h]*n[h];return this.values[l]},e.prototype.locToIndex=function(e){if(0===this.rank)return 0;if(1===this.rank)return e[0];for(var t=e[e.length-1],n=0;n<e.length-1;++n)t+=this.strides[n]*e[n];return t},e.prototype.indexToLoc=function(e){if(0===this.rank)return[];if(1===this.rank)return[e];for(var t=new Array(this.shape.length),n=0;n<t.length-1;++n)t[n]=Math.floor(e/this.strides[n]),e-=t[n]*this.strides[n];return t[t.length-1]=e,t},Object.defineProperty(e.prototype,"rank",{get:function(){return this.shape.length},enumerable:!1,configurable:!0}),e.prototype.toTensor=function(){return Kr().makeTensor(this.values,this.shape,this.dtype)},e}(),Kr=null,qr=null;var Vr=function(){function e(e,t,n,r){this.kept=!1,this.isDisposedInternal=!1,this.shape=e.slice(),this.dtype=t||"float32",this.size=y(e),this.strides=O(e),this.dataId=n,this.id=r,this.rankType=this.rank<5?this.rank.toString():"higher"}return Object.defineProperty(e.prototype,"rank",{get:function(){return this.shape.length},enumerable:!1,configurable:!0}),e.prototype.buffer=function(){return a(this,void 0,void 0,(function(){var e;return o(this,(function(t){switch(t.label){case 0:return[4,this.data()];case 1:return e=t.sent(),[2,qr.buffer(this.shape,this.dtype,e)]}}))}))},e.prototype.bufferSync=function(){return qr.buffer(this.shape,this.dtype,this.dataSync())},e.prototype.array=function(){return a(this,void 0,void 0,(function(){var e;return o(this,(function(t){switch(t.label){case 0:return[4,this.data()];case 1:return e=t.sent(),[2,z(this.shape,e,"complex64"===this.dtype)]}}))}))},e.prototype.arraySync=function(){return z(this.shape,this.dataSync(),"complex64"===this.dtype)},e.prototype.data=function(){return a(this,void 0,void 0,(function(){var e,t;return o(this,(function(n){switch(n.label){case 0:return this.throwIfDisposed(),e=Kr().read(this.dataId),"string"!==this.dtype?[3,2]:[4,e];case 1:t=n.sent();try{return[2,t.map((function(e){return Dr(e)}))]}catch(e){throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}n.label=2;case 2:return[2,e]}}))}))},e.prototype.dataToGPU=function(e){return this.throwIfDisposed(),Kr().readToGPU(this.dataId,e)},e.prototype.dataSync=function(){this.throwIfDisposed();var e=Kr().readSync(this.dataId);if("string"===this.dtype)try{return e.map((function(e){return Dr(e)}))}catch(e){throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}return e},e.prototype.bytes=function(){return a(this,void 0,void 0,(function(){var e;return o(this,(function(t){switch(t.label){case 0:return this.throwIfDisposed(),[4,Kr().read(this.dataId)];case 1:return e=t.sent(),"string"===this.dtype?[2,e]:[2,new Uint8Array(e.buffer)]}}))}))},e.prototype.dispose=function(){this.isDisposed||(Kr().disposeTensor(this),this.isDisposedInternal=!0)},Object.defineProperty(e.prototype,"isDisposed",{get:function(){return this.isDisposedInternal},enumerable:!1,configurable:!0}),e.prototype.throwIfDisposed=function(){if(this.isDisposed)throw new Error("Tensor is disposed.")},e.prototype.print=function(e){return void 0===e&&(e=!1),qr.print(this,e)},e.prototype.clone=function(){return this.throwIfDisposed(),qr.clone(this)},e.prototype.toString=function(e){return void 0===e&&(e=!1),Or(this.dataSync(),this.shape,this.dtype,e)},e.prototype.cast=function(e){return this.throwIfDisposed(),qr.cast(this,e)},e.prototype.variable=function(e,t,n){return void 0===e&&(e=!0),this.throwIfDisposed(),Kr().makeVariable(this,e,t,n)},e}();Object.defineProperty(Vr,Symbol.hasInstance,{value:function(e){return!!e&&null!=e.data&&null!=e.dataSync&&null!=e.throwIfDisposed}}),X("Tensor",(function(){return Vr}));var Hr,jr,Zr,Jr,Yr,Xr=function(e){function t(t,n,r,a){var o=e.call(this,t.shape,t.dtype,t.dataId,a)||this;return o.trainable=n,o.name=r,o}return r(t,e),t.prototype.assign=function(e){if(e.dtype!==this.dtype)throw new Error("dtype of the new value (".concat(e.dtype,") and ")+"previous value (".concat(this.dtype,") must match"));if(!w(e.shape,this.shape))throw new Error("shape of the new value (".concat(e.shape,") and ")+"previous value (".concat(this.shape,") must match"));Kr().disposeTensor(this),this.dataId=e.dataId,Kr().incRef(this,null)},t.prototype.dispose=function(){Kr().disposeVariable(this),this.isDisposedInternal=!0},t}(Vr);Object.defineProperty(Xr,Symbol.hasInstance,{value:function(e){return e instanceof Vr&&null!=e.assign&&e.assign instanceof Function}}),e.Rank=void 0,(Hr=e.Rank||(e.Rank={})).R0="R0",Hr.R1="R1",Hr.R2="R2",Hr.R3="R3",Hr.R4="R4",Hr.R5="R5",Hr.R6="R6",function(e){e.float32="float32",e.int32="int32",e.bool="int32",e.complex64="complex64"}(jr||(jr={})),function(e){e.float32="float32",e.int32="int32",e.bool="bool",e.complex64="complex64"}(Zr||(Zr={})),function(e){e.float32="float32",e.int32="float32",e.bool="float32",e.complex64="complex64"}(Jr||(Jr={})),function(e){e.float32="complex64",e.int32="complex64",e.bool="complex64",e.complex64="complex64"}(Yr||(Yr={}));var Qr={float32:Jr,int32:jr,bool:Zr,complex64:Yr};function $r(e,t){if("string"===e||"string"===t){if("string"===e&&"string"===t)return"string";throw new Error("Can not upcast ".concat(e," with ").concat(t))}return Qr[e][t]}function ea(e){return null!=e&&"object"==typeof e&&"texture"in e&&e.texture instanceof WebGLTexture}function ta(e){return"undefined"!=typeof GPUBuffer&&null!=e&&"object"==typeof e&&"buffer"in e&&e.buffer instanceof GPUBuffer}function na(e,t){if(e.dtype===t.dtype)return[e,t];var n=$r(e.dtype,t.dtype);return[e.cast(n),t.cast(n)]}function ra(e,t){g(e.dtype===t.dtype,(function(){return"The dtypes of the first(".concat(e.dtype,") and")+" second(".concat(t.dtype,") input must match")}))}function aa(e){var t=[];return oa(e,t,new Set),t}function oa(e,t,n){if(null!=e)if(e instanceof Vr)t.push(e);else if(r=e,Array.isArray(r)||"object"==typeof r){var r,a=e;for(var o in a){var i=a[o];n.has(i)||(n.add(i),oa(i,t,n))}}}var ia={__proto__:null,assertTypesMatch:ra,getTensorsInContainer:aa,isTensorInList:function(e,t){return t.some((function(t){return t.id===e.id}))},makeTypesMatch:na};function sa(e){return null!=e.kernelName}var ua=function(){function e(){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,get kernelNames(){return Array.from(new Set(this.kernels.map((function(e){return e.name}))))}}}return e.prototype.dispose=function(){for(var e in this.registeredVariables)this.registeredVariables[e].dispose()},e}(),ca=function(){function e(e){this.ENV=e,this.registry={},this.registryFactory={},this.pendingBackendInitId=0,this.state=new ua}return e.prototype.ready=function(){return a(this,void 0,void 0,(function(){var e,t,n;return o(this,(function(r){switch(r.label){case 0:if(null!=this.pendingBackendInit)return[2,this.pendingBackendInit.then((function(){}))];if(null!=this.backendInstance)return[2];e=this.getSortedBackends(),t=0,r.label=1;case 1:return t<e.length?(n=e[t],[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 t++,[3,1];case 5:throw new Error("Could not initialize any backends, all backend initializations failed.")}}))}))},Object.defineProperty(e.prototype,"backend",{get:function(){if(null!=this.pendingBackendInit)throw new Error("Backend '".concat(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 e=this.initializeBackendsAndReturnBest(),t=e.name;if(e.asyncInit)throw new Error("The highest priority backend '".concat(t,"' has not yet been ")+"initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");this.setBackend(t)}return this.backendInstance},enumerable:!1,configurable:!0}),e.prototype.backendNames=function(){return Object.keys(this.registryFactory)},e.prototype.findBackend=function(e){if(!(e in this.registry)){if(!(e in this.registryFactory))return null;if(this.initializeBackend(e).asyncInit)return null}return this.registry[e]},e.prototype.findBackendFactory=function(e){return e in this.registryFactory?this.registryFactory[e].factory:null},e.prototype.registerBackend=function(e,t,n){return void 0===n&&(n=1),e in this.registryFactory?(Bn("".concat(e," backend was already registered. ")+"Reusing existing backend factory."),!1):(this.registryFactory[e]={factory:t,priority:n},!0)},e.prototype.setBackend=function(e){return a(this,void 0,void 0,(function(){var t,n,r;return o(this,(function(a){switch(a.label){case 0:if(null==this.registryFactory[e])throw new Error("Backend name '".concat(e,"' not found in registry"));return this.backendName=e,null!=this.registry[e]?[3,4]:(this.backendInstance=null,t=this.initializeBackend(e),n=t.success,t.asyncInit?[4,n]:[3,2]);case 1:return r=a.sent(),[3,3];case 2:r=n,a.label=3;case 3:if(!r)return[2,!1];a.label=4;case 4:return this.backendInstance=this.registry[e],this.setupRegisteredKernels(),this.profiler=new Cr(this.backendInstance),[2,!0]}}))}))},e.prototype.setupRegisteredKernels=function(){var e=this;Ln(this.backendName).forEach((function(t){null!=t.setupFunc&&t.setupFunc(e.backendInstance)}))},e.prototype.disposeRegisteredKernels=function(e){var t=this;Ln(e).forEach((function(n){null!=n.disposeFunc&&n.disposeFunc(t.registry[e])}))},e.prototype.initializeBackend=function(e){var t=this,n=this.registryFactory[e];if(null==n)throw new Error("Cannot initialize backend ".concat(e,", no registration found."));try{var r=n.factory();if(!r||r instanceof l||"function"!=typeof r.then)return this.registry[e]=r,{success:!0,asyncInit:!1};var a=++this.pendingBackendInitId,o=r.then((function(n){return!(a<t.pendingBackendInitId)&&(t.registry[e]=n,t.pendingBackendInit=null,!0)})).catch((function(n){return a<t.pendingBackendInitId||(t.pendingBackendInit=null,Bn("Initialization of backend ".concat(e," failed")),Bn(n.stack||n.message)),!1}));return this.pendingBackendInit=o,{success:o,asyncInit:!0}}catch(t){return Bn("Initialization of backend ".concat(e," failed")),Bn(t.stack||t.message),{success:!1,asyncInit:!1}}},e.prototype.removeBackend=function(e){if(!(e in this.registryFactory))throw new Error("".concat(e," backend not found in registry"));this.backendName===e&&null!=this.pendingBackendInit&&this.pendingBackendInitId++,e in this.registry&&(this.disposeRegisteredKernels(e),this.registry[e].dispose(),delete this.registry[e]),delete this.registryFactory[e],this.backendName===e&&(this.pendingBackendInit=null,this.backendName=null,this.backendInstance=null)},e.prototype.getSortedBackends=function(){var e=this;if(0===Object.keys(this.registryFactory).length)throw new Error("No backend found in registry.");return Object.keys(this.registryFactory).sort((function(t,n){return e.registryFactory[n].priority-e.registryFactory[t].priority}))},e.prototype.initializeBackendsAndReturnBest=function(){for(var e=this.getSortedBackends(),t=0;t<e.length;t++){var n=e[t],r=this.initializeBackend(n),a=r.success,o=r.asyncInit;if(o||a)return{name:n,asyncInit:o}}throw new Error("Could not initialize any backends, all backend initializations failed.")},e.prototype.moveData=function(e,t){var n=this.state.tensorInfo.get(t),r=n.backend,a=this.readSync(t),o=r.refCount(t);r.disposeData(t,!0),n.backend=e,e.move(t,a,n.shape,n.dtype,o),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++},e.prototype.tidy=function(e,t){var n,r=this,a=null;if(null==t){if("function"!=typeof e)throw new Error("Please provide a function to tidy()");t=e}else{if("string"!=typeof e&&!(e instanceof String))throw new Error("When calling with two arguments, the first argument to tidy() must be a string");if("function"!=typeof t)throw new Error("When calling with two arguments, the 2nd argument to tidy() must be a function");a=e}return this.scopedRun((function(){return r.startScope(a)}),(function(){return r.endScope(n)}),(function(){return(n=t())instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),n}))},e.prototype.scopedRun=function(e,t,n){e();try{var r=n();return t(),r}catch(e){throw t(),e}},e.prototype.nextTensorId=function(){return e.nextTensorId++},e.prototype.nextVariableId=function(){return e.nextVariableId++},e.prototype.clone=function(e){var t=fa.runKernel($e,{x:e}),n={x:e};return this.addTapeNode(this.state.activeScope.name,n,[t],(function(e){return{x:function(){var t={x:e},n={dtype:"float32"};return fa.runKernel(ve,t,n)}}}),[],{}),t},e.prototype.runKernel=function(e,t,n){if(null==this.backendName&&this.backend,!(null!=Pn(e,this.backendName)))throw new Error("Kernel '".concat(e,"' not registered for backend '").concat(this.backendName,"'"));return this.runKernelFunc({kernelName:e,inputs:t,attrs:n})},e.prototype.shouldCheckForMemLeaks=function(){return this.ENV.getBool("IS_TEST")},e.prototype.checkKernelForMemLeak=function(e,t,n){var r=this.backend.numDataIds(),a=0;n.forEach((function(e){a+="complex64"===e.dtype?3:1}));var o=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],i=r-t-a-o;if(i>0)throw new Error("Backend '".concat(this.backendName,"' has an internal memory leak ")+"(".concat(i," data ids) after running '").concat(e,"'"))},e.prototype.runKernelFunc=function(e){var t,n,r,a=this,o=[],i=this.isTapeOn(),s=this.state.numBytes,u=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0),null==this.backendName&&this.backend;var c=sa(e)?e.kernelName:null!=this.state.activeScope?this.state.activeScope.name:"";if(sa(e)){var l=e.kernelName,h=e.inputs,f=e.attrs;null==this.backendName&&this.backend;var d=Pn(l,this.backendName);g(null!=d,(function(){return"Cannot find registered kernel '".concat(l,"' for backend '").concat(a.backendName,"'")})),n=function(){var e=a.backend.numDataIds();r=d.kernelFunc({inputs:h,attrs:f,backend:a.backend});var t=Array.isArray(r)?r:[r];a.shouldCheckForMemLeaks()&&a.checkKernelForMemLeak(l,e,t);var n=t.map((function(e){return null!=e.rank?e:a.makeTensorFromTensorInfo(e)}));if(i){var s=a.getTensorsForGradient(l,h,n);o=a.saveTensorsForBackwardMode(s)}return n}}else{var p=e.forwardFunc,v=function(e){i&&(o=e.map((function(e){return a.keep(a.clone(e))})))};n=function(){var e=a.backend.numDataIds();r=a.tidy((function(){return p(a.backend,v)}));var t=Array.isArray(r)?r:[r];return a.shouldCheckForMemLeaks()&&a.checkKernelForMemLeak(c,e,t),t}}var m,y=e.inputs,b=e.attrs,w=sa(e)?null:e.backwardsFunc;return this.scopedRun((function(){return a.state.kernelDepth++}),(function(){return a.state.kernelDepth--}),(function(){a.ENV.getBool("DEBUG")||a.state.profiling?(m=a.profiler.profileKernel(c,y,(function(){return n()})),a.ENV.getBool("DEBUG")&&a.profiler.logKernelProfile(m),t=m.outputs):t=n()})),i&&this.addTapeNode(c,y,t,w,o,b),this.state.profiling&&this.state.activeProfile.kernels.push({name:c,bytesAdded:this.state.numBytes-s,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-u,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(y).map((function(e){return null!=y[e]?y[e].shape:null})),outputShapes:t.map((function(e){return e.shape})),kernelTimeMs:m.timeMs,extraInfo:m.extraInfo}),Array.isArray(r)?t:t[0]},e.prototype.saveTensorsForBackwardMode=function(e){var t=this,n=e.map((function(e){return t.keep(t.clone(e))}));return n},e.prototype.getTensorsForGradient=function(e,t,n){var r=On(e);if(null!=r){var a=r.inputsToSave||[],o=r.outputsToSave||[],i=void 0;r.saveAllInputs?(g(Array.isArray(t),(function(){return"saveAllInputs is true, expected inputs to be an array."})),i=Object.keys(t).map((function(e){return t[e]}))):i=a.map((function(e){return t[e]}));var s=n.filter((function(e,t){return o[t]}));return i.concat(s)}return[]},e.prototype.makeTensor=function(e,t,n,r){if(null==e)throw new Error("Values passed to engine.makeTensor() are null");n=n||"float32",r=r||this.backend;var a=e;"string"===n&&D(e[0])&&(a=e.map((function(e){return Tr(e)})));var o=r.write(a,t,n),i=new Vr(t,n,o,this.nextTensorId());if(this.trackTensor(i,r),"string"===n){var s=this.state.tensorInfo.get(o),u=T(a);this.state.numBytes+=u-s.bytes,s.bytes=u}return i},e.prototype.makeTensorFromDataId=function(e,t,n,r){var a={dataId:e,shape:t,dtype:n=n||"float32"};return this.makeTensorFromTensorInfo(a,r)},e.prototype.makeTensorFromTensorInfo=function(e,t){var n=e.dataId,r=e.shape,a=e.dtype,o=new Vr(r,a,n,this.nextTensorId());return this.trackTensor(o,t),o},e.prototype.makeVariable=function(e,t,n,r){void 0===t&&(t=!0),n=n||this.nextVariableId().toString(),null!=r&&r!==e.dtype&&(e=e.cast(r));var a=new Xr(e,t,n,this.nextTensorId());if(null!=this.state.registeredVariables[a.name])throw new Error("Variable with name ".concat(a.name," was already registered"));return this.state.registeredVariables[a.name]=a,this.incRef(a,this.backend),a},e.prototype.trackTensor=function(e,t){this.state.numTensors++,"string"===e.dtype&&this.state.numStringTensors++;var n=0;"complex64"!==e.dtype&&"string"!==e.dtype&&(n=e.size*M(e.dtype)),this.state.numBytes+=n,this.state.tensorInfo.has(e.dataId)||(this.state.numDataBuffers++,this.state.tensorInfo.set(e.dataId,{backend:t||this.backend,dtype:e.dtype,shape:e.shape,bytes:n})),e instanceof Xr||this.track(e)},e.prototype.incRef=function(e,t){this.trackTensor(e,t),this.backend.incRef(e.dataId)},e.prototype.removeDataId=function(e,t){this.state.tensorInfo.has(e)&&this.state.tensorInfo.get(e).backend===t&&(this.state.tensorInfo.delete(e),this.state.numDataBuffers--)},e.prototype.disposeTensor=function(e){if(this.state.tensorInfo.has(e.dataId)){var t=this.state.tensorInfo.get(e.dataId);if(this.state.numTensors--,"string"===e.dtype&&(this.state.numStringTensors--,this.state.numBytes-=t.bytes),"complex64"!==e.dtype&&"string"!==e.dtype){var n=e.size*M(e.dtype);this.state.numBytes-=n}t.backend.disposeData(e.dataId)&&this.removeDataId(e.dataId,t.backend)}},e.prototype.disposeVariables=function(){for(var e in this.state.registeredVariables){var t=this.state.registeredVariables[e];this.disposeVariable(t)}},e.prototype.disposeVariable=function(e){this.disposeTensor(e),null!=this.state.registeredVariables[e.name]&&delete this.state.registeredVariables[e.name]},e.prototype.memory=function(){var e=this.backend.memory();return e.numTensors=this.state.numTensors,e.numDataBuffers=this.state.numDataBuffers,e.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(e.unreliable=!0,null==e.reasons&&(e.reasons=[]),e.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),e},e.prototype.profile=function(e){return a(this,void 0,void 0,(function(){var t,n,r,a,c,l,h,f,d,p,g;return o(this,(function(o){switch(o.label){case 0:return this.state.profiling=!0,t=this.state.numBytes,n=this.state.numTensors,this.state.activeProfile.kernels=[],r=this.state.activeProfile,[4,e()];case 1:r.result=o.sent(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max.apply(Math,u([],s(this.state.activeProfile.kernels.map((function(e){return e.totalBytesSnapshot}))),!1)),this.state.activeProfile.newBytes=this.state.numBytes-t,this.state.activeProfile.newTensors=this.state.numTensors-n,o.label=2;case 2:o.trys.push([2,8,9,10]),a=i(this.state.activeProfile.kernels),c=a.next(),o.label=3;case 3:return c.done?[3,7]:(l=c.value,h=l,[4,l.kernelTimeMs]);case 4:return h.kernelTimeMs=o.sent(),f=l,[4,l.extraInfo];case 5:f.extraInfo=o.sent(),o.label=6;case 6:return c=a.next(),[3,3];case 7:return[3,10];case 8:return d=o.sent(),p={error:d},[3,10];case 9:try{c&&!c.done&&(g=a.return)&&g.call(a)}finally{if(p)throw p.error}return[7];case 10:return[2,this.state.activeProfile]}}))}))},e.prototype.isTapeOn=function(){return this.state.gradientDepth>0&&0===this.state.kernelDepth},e.prototype.addTapeNode=function(e,t,n,r,a,o){var i=this,s={id:this.state.nextTapeNodeId++,kernelName:e,inputs:t,outputs:n,saved:a},u=On(e);null!=u&&(r=u.gradFunc),null!=r&&(s.gradient=function(e){return e=e.map((function(e,t){if(null==e){var r=n[t],a=W(r.size,r.dtype);return i.makeTensor(a,r.shape,r.dtype)}return e})),r(e.length>1?e:e[0],a,o)}),this.state.activeTape.push(s)},e.prototype.keep=function(e){return e.kept=!0,e},e.prototype.startTape=function(){0===this.state.gradientDepth&&(this.state.activeTape=[]),this.state.gradientDepth++},e.prototype.endTape=function(){this.state.gradientDepth--},e.prototype.startScope=function(e){var t={track:[],name:"unnamed scope",id:this.state.nextScopeId++};e&&(t.name=e),this.state.scopeStack.push(t),this.state.activeScope=t},e.prototype.endScope=function(e){for(var t=this,n=aa(e),r=new Set(n.map((function(e){return e.id}))),a=0;a<this.state.activeScope.track.length;a++){var o=this.state.activeScope.track[a];o.kept||r.has(o.id)||o.dispose()}var i=this.state.scopeStack.pop();this.state.activeScope=0===this.state.scopeStack.length?null:this.state.scopeStack[this.state.scopeStack.length-1],n.forEach((function(e){e.kept||e.scopeId!==i.id||t.track(e)}))},e.prototype.gradients=function(e,t,n,r){var a=this;if(void 0===r&&(r=!1),g(t.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 '".concat(n.dtype,"'"));var o=this.scopedRun((function(){return a.startTape()}),(function(){return a.endTape()}),(function(){return a.tidy("forward",e)}));g(o instanceof Vr,(function(){return"The result y returned by f() must be a tensor."}));var s=function(e,t,n){for(var r={},a={},o=0;o<t.length;o++)r[t[o].id]=!0;for(o=0;o<e.length;o++){var i=(p=e[o]).inputs;for(var s in i){for(var u=i[s],c=!1,l=0;l<t.length;l++)if(r[u.id]){p.outputs.forEach((function(e){return r[e.id]=!0})),c=!0,a[p.id]=!0;break}if(c)break}}var h={};h[n.id]=!0;var f={};for(o=e.length-1;o>=0;o--)for(i=(p=e[o]).inputs,l=0;l<p.outputs.length;l++)if(h[p.outputs[l].id]){for(var s in i)h[i[s].id]=!0,f[p.id]=!0;break}var d=[];for(o=0;o<e.length;o++){var p;if(a[(p=e[o]).id]&&f[p.id]){var g={};for(var s in p.inputs){var v=p.inputs[s];r[v.id]&&(g[s]=v)}var m=Object.assign({},p);m.inputs=g,m.outputs=p.outputs,d.push(m)}}return d}(this.state.activeTape,t,o);if(!r&&0===s.length&&t.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 e,r,u={};u[o.id]=null==n?(e=o.shape,r=U(y(e),"float32"),fa.makeTensor(r,e,"float32")):n,function(e,t,n,r){for(var a=function(a){var o=t[a],i=[];if(o.outputs.forEach((function(t){var n=e[t.id];null!=n?i.push(n):i.push(null)})),null==o.gradient)throw new Error("Cannot compute gradient: gradient function not found "+"for ".concat(o.kernelName,"."));var s=o.gradient(i),u=function(t){if(!(t in s))throw new Error("Cannot backprop through input ".concat(t,". ")+"Available gradients found: ".concat(Object.keys(s),"."));var a=n((function(){return s[t]()}));if("float32"!==a.dtype)throw new Error("Error in gradient for op ".concat(o.kernelName,". The gradient of input ")+"".concat(t," must have 'float32' dtype, but has '").concat(a.dtype,"'"));var i=o.inputs[t];if(!w(a.shape,i.shape))throw new Error("Error in gradient for op ".concat(o.kernelName,". The gradient of input ")+"'".concat(t,"' has shape '").concat(a.shape,"', which does not match ")+"the shape of the input '".concat(i.shape,"'"));if(null==e[i.id])e[i.id]=a;else{var u=e[i.id];e[i.id]=r(u,a),u.dispose()}};for(var c in o.inputs)u(c)},o=t.length-1;o>=0;o--)a(o)}(u,s,(function(e){return a.tidy(e)}),da);var c=t.map((function(e){return u[e.id]}));return 0===a.state.gradientDepth&&(a.state.activeTape.forEach((function(e){var t,n;try{for(var r=i(e.saved),a=r.next();!a.done;a=r.next()){a.value.dispose()}}catch(e){t={error:e}}finally{try{a&&!a.done&&(n=r.return)&&n.call(r)}finally{if(t)throw t.error}}})),a.state.activeTape=null),{value:o,grads:c}}))},e.prototype.customGrad=function(e){var t=this;return g(C(e),(function(){return"The f passed in customGrad(f) must be a function."})),function(){for(var n,r=[],a=0;a<arguments.length;a++)r[a]=arguments[a];g(r.every((function(e){return e instanceof Vr})),(function(){return"The args passed in customGrad(f)(x1, x2,...) must all be tensors"}));var o={};r.forEach((function(e,t){o[t]=e}));var i=function(t,a){return g((n=e.apply(void 0,u([],s(u(u([],s(r),!1),[a],!1)),!1))).value instanceof Vr,(function(){return"The function f passed in customGrad(f) must return an object where `obj.value` is a tensor"})),g(C(n.gradFunc),(function(){return"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function."})),n.value},c=function(e,t){var a=n.gradFunc(e,t),o=Array.isArray(a)?a:[a];g(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(...)."})),g(o.every((function(e){return e instanceof Vr})),(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 i={};return o.forEach((function(e,t){i[t]=function(){return e}})),i};return t.runKernelFunc({forwardFunc:i,backwardsFunc:c,inputs:o})}},e.prototype.readSync=function(e){return this.state.tensorInfo.get(e).backend.readSync(e)},e.prototype.read=function(e){return this.state.tensorInfo.get(e).backend.read(e)},e.prototype.readToGPU=function(e,t){return this.state.tensorInfo.get(e).backend.readToGPU(e,t)},e.prototype.time=function(e){return a(this,void 0,void 0,(function(){var t,n;return o(this,(function(r){switch(r.label){case 0:return t=Mr(),[4,this.backend.time(e)];case 1:return(n=r.sent()).wallMs=Mr()-t,[2,n]}}))}))},e.prototype.track=function(e){return null!=this.state.activeScope&&(e.scopeId=this.state.activeScope.id,this.state.activeScope.track.push(e)),e},Object.defineProperty(e.prototype,"registeredVariables",{get:function(){return this.state.registeredVariables},enumerable:!1,configurable:!0}),e.prototype.reset=function(){for(var e in this.pendingBackendInitId++,this.state.dispose(),this.ENV.reset(),this.state=new ua,this.registry)this.disposeRegisteredKernels(e),this.registry[e].dispose(),delete this.registry[e];this.backendName=null,this.backendInstance=null,this.pendingBackendInit=null},e}();function la(){var t=Y();if(null==t._tfengine){var n=new H(t);t._tfengine=new ca(n)}return function(t){e.ENV=t}(t._tfengine.ENV),Kr=function(){return t._tfengine},t._tfengine}ca.nextTensorId=0,ca.nextVariableId=0;var ha,fa=la();function da(e,t){var n={a:e,b:t};return fa.runKernel(ee,n)}function pa(){return"undefined"!=typeof window&&null!=window.document||"undefined"!=typeof WorkerGlobalScope}var ga={__proto__:null,isBrowser:pa,isMobile:function(e){if(void 0!==ha)return ha;if(e||"undefined"!=typeof navigator&&null!=navigator){if(e||(e=navigator),"ReactNative"===e.product)return!0;var t=e.userAgent||e.vendor||("undefined"!=typeof window?window.opera:"");if(!t){var n=e;return n.userAgentData&&n.userAgentData.mobile}return/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(t)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(t.substr(0,4))}return!1},mockIsMobile:function(e){ha=e}},va=J();function ma(e,t){var n=e;if(Rr(e))return"string"===t?[]:[e.length];if(ea(e)){var r=e.channels||"RGBA";return[e.height,e.width*r.length]}if(ta(e))return[e.buffer.size/(null==t?4:M(t))];if(!Array.isArray(e))return[];for(var a=[];Array.isArray(n)||Rr(n)&&"string"!==t;)a.push(n.length),n=n[0];return Array.isArray(e)&&J().getBool("TENSORLIKE_CHECK_SHAPE_CONSISTENCY")&&ya(e,a,[]),a}function ya(e,t,n){if(n=n||[],Array.isArray(e)||Rr(e)){g(t.length>0,(function(){return"Element arr[".concat(n.join("]["),"] should be a primitive, ")+"but is an array of ".concat(e.length," elements")})),g(e.length===t[0],(function(){return"Element arr[".concat(n.join("]["),"] should have ").concat(t[0]," ")+"elements, but has ".concat(e.length," elements")}));for(var r=t.slice(1),a=0;a<e.length;++a)ya(e[a],r,n.concat(a))}else g(0===t.length,(function(){return"Element arr[".concat(n.join("]["),"] is a primitive, ")+"but should be an array/TypedArray of ".concat(t[0]," elements")}))}function ba(e,t,n,r){if("string_or_numeric"!==e){if(null==e)throw new Error("Expected dtype cannot be null.");if("numeric"!==e&&e!==t||"numeric"===e&&"string"===t)throw new Error("Argument '".concat(n,"' passed to '").concat(r,"' must ")+"be ".concat(e," tensor, but got ").concat(t," tensor"))}}function wa(e,t,n,r){if(void 0===r&&(r="numeric"),e instanceof Vr)return ba(r,e.dtype,t,n),e;var a=F(e);if("string"!==a&&["bool","int32","float32"].indexOf(r)>=0&&(a=r),ba(r,a,t,n),null==e||!Rr(e)&&!Array.isArray(e)&&"number"!=typeof e&&"boolean"!=typeof e&&"string"!=typeof e){var o=null==e?"null":e.constructor.name;throw new Error("Argument '".concat(t,"' passed to '").concat(n,"' must be a ")+"Tensor or TensorLike, but got '".concat(o,"'"))}var i=ma(e,a);Rr(e)||Array.isArray(e)||(e=[e]);var s="string"!==a?Nr(e,a):Br(e,[],!0);return fa.makeTensor(s,i,a)}function ka(e,t,n,r){if(void 0===r&&(r="numeric"),!Array.isArray(e))throw new Error("Argument ".concat(t," passed to ").concat(n," must be a ")+"`Tensor[]` or `TensorLike[]`");return e.map((function(e,a){return wa(e,"".concat(t,"[").concat(a,"]"),n,r)}))}va.registerFlag("DEBUG",(function(){return!1}),(function(e){e&&console.warn("Debugging mode is ON. The output of every math call will be downloaded to CPU and checked for NaNs. This significantly impacts performance.")})),va.registerFlag("IS_BROWSER",(function(){return pa()})),va.registerFlag("IS_NODE",(function(){return"undefined"!=typeof process&&"undefined"!=typeof process.versions&&"undefined"!=typeof process.versions.node})),va.registerFlag("IS_CHROME",(function(){return"undefined"!=typeof navigator&&null!=navigator&&null!=navigator.userAgent&&/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor)})),va.registerFlag("IS_SAFARI",(function(){return"undefined"!=typeof navigator&&null!=navigator&&null!=navigator.userAgent&&/Safari/.test(navigator.userAgent)&&/Apple/.test(navigator.vendor)})),va.registerFlag("PROD",(function(){return!1})),va.registerFlag("TENSORLIKE_CHECK_SHAPE_CONSISTENCY",(function(){return va.getBool("DEBUG")})),va.registerFlag("DEPRECATION_WARNINGS_ENABLED",(function(){return!0})),va.registerFlag("IS_TEST",(function(){return!1})),va.registerFlag("CHECK_COMPUTATION_FOR_ERRORS",(function(){return va.getBool("DEBUG")})),va.registerFlag("WRAP_TO_IMAGEBITMAP",(function(){return!1})),va.registerFlag("CANVAS2D_WILL_READ_FREQUENTLY_FOR_GPU",(function(){return!1})),va.registerFlag("USE_SETTIMEOUTCUSTOM",(function(){return!1}));var xa="__op";function Ea(e){var t=Object.keys(e);if(1!==t.length)throw new Error("Please provide an object with a single key (operation name) mapping to a function. Got an object with "+"".concat(t.length," keys."));var n=t[0],r=e[n];n.endsWith("_")&&(n=n.substring(0,n.length-1)),n+=xa;var a=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];fa.startScope(n);try{var a=r.apply(void 0,u([],s(e),!1));return K(a)&&console.error("Cannot return a Promise inside of tidy."),fa.endScope(a),a}catch(e){throw fa.endScope(null),e}};return Object.defineProperty(a,"name",{value:n,configurable:!0}),a}var Sa=Ea({complex_:function(e,t){var n=wa(e,"real","complex"),r=wa(t,"imag","complex");v(n.shape,r.shape,"real and imag shapes, ".concat(n.shape," and ").concat(r.shape,", ")+"must match in call to tf.complex().");var a={real:n,imag:r};return fa.runKernel(be,a)}});function Aa(e,t,n,r){if(null==r)r=F(e);else if("complex64"===r)throw new Error("Cannot construct a complex64 tensor directly. Please use tf.complex(real, imag).");if(ta(e)||ea(e)){if("float32"!==r&&"int32"!==r)throw new Error("Creating tensor from GPU data only supports "+"'float32'|'int32' dtype, while the dtype is ".concat(r,"."));return fa.backend.createTensorFromGPUData(e,t||n,r)}if(!Rr(e)&&!Array.isArray(e)&&"number"!=typeof e&&"boolean"!=typeof e&&"string"!=typeof e)throw new Error("values passed to tensor(values) must be a number/boolean/string or an array of numbers/booleans/strings, or a TypedArray");if(null!=t){G(t);var a=y(t),o=y(n);g(a===o,(function(){return"Based on the provided shape, [".concat(t,"], the tensor should have ")+"".concat(a," values but has ").concat(o)}));for(var i=0;i<n.length;++i){var s=n[i],u=i!==n.length-1||s!==y(t.slice(i));g(n[i]===t[i]||!u,(function(){return"Error creating a new Tensor. Inferred shape "+"(".concat(n,") does not match the provided ")+"shape (".concat(t,"). ")}))}}return Rr(e)||Array.isArray(e)||(e=[e]),t=t||n,e="string"!==r?Nr(e,r):Br(e,[],!0),fa.makeTensor(e,t,r)}function _a(e,t,n){return Aa(e,t,ma(e,n),n)}var Ia={float32:4,float16:2,int32:4,uint16:2,uint8:1,bool:1,complex64:8},Na=function(){function e(e){if(this.shards=[],this.previousShardIndex=0,null!=e&&(e instanceof Array||(e=[e]),0!==(e=e.map((function(e){return Rr(e)?e.buffer:e}))).length)){this.bufferUniformSize=e[0].byteLength;for(var t=0,n=0;n<e.length;n++){var r=e[n];n!==e.length-1&&r.byteLength!==this.bufferUniformSize&&(this.bufferUniformSize=void 0);var a=t+r.byteLength;this.shards.push({buffer:r,start:t,end:a}),t=a}0===this.shards.length&&(this.byteLength=0),this.byteLength=this.shards[this.shards.length-1].end}}return e.join=function(t){return new e(t).slice()},e.prototype.slice=function(e,t){if(void 0===e&&(e=0),void 0===t&&(t=this.byteLength),0===this.shards.length)return new ArrayBuffer(0);if(e=isNaN(Number(e))?0:e,t=isNaN(Number(t))?0:t,e=Math.max(0,e),(t=Math.min(this.byteLength,t))<=e)return new ArrayBuffer(0);var n=this.findShardForByte(e);if(-1===n)throw new Error("Could not find start shard for byte ".concat(e));for(var r=new ArrayBuffer(t-e),a=new Uint8Array(r),o=0,i=n;i<this.shards.length;i++){var s=this.shards[i],u=e+o-s.start,c=o,l=Math.min(t,s.end)-s.start,h=new Uint8Array(s.buffer,u,l-u);if(a.set(h,c),o+=h.length,t<s.end)break}return r},e.prototype.findShardForByte=function(e){if(0===this.shards.length||e<0||e>=this.byteLength)return-1;if(null!=this.bufferUniformSize)return this.previousShardIndex=Math.floor(e/this.bufferUniformSize),this.previousShardIndex;function t(t){return e<t.start?-1:e>=t.end?1:0}if(0===t(this.shards[this.previousShardIndex]))return this.previousShardIndex;var n=function(e,t){var n=0,r=e.length;for(;n<=r;){var a=Math.floor((r-n)/2)+n,o=t(e[a]);if(0===o)return a;o<0?r=a:n=a+1}return-1}(this.shards,t);return-1===n?-1:(this.previousShardIndex=n,this.previousShardIndex)},e}();function Ma(e,t){var n,r,a,o=new Na(e),s={},u=0;try{for(var c=i(t),l=c.next();!l.done;l=c.next()){var h=l.value,f=h.name,d=h.dtype,p=h.shape,g=y(p),v=void 0;if("quantization"in h){var m=h.quantization;if("uint8"===m.dtype||"uint16"===m.dtype){if(!("min"in m)||!("scale"in m))throw new Error("Weight ".concat(h.name," with quantization ").concat(m.dtype," ")+"doesn't have corresponding metadata min and scale.")}else{if("float16"!==m.dtype)throw new Error("Weight ".concat(h.name," has unknown ")+"quantization dtype ".concat(m.dtype,". ")+"Supported quantization dtypes are: 'uint8', 'uint16', and 'float16'.");if("float32"!==d)throw new Error("Weight ".concat(h.name," is quantized with ").concat(m.dtype," ")+"which only supports weights of type float32 not ".concat(d,"."))}var b=Ia[m.dtype],w=o.slice(u,u+g*b),k="uint8"===m.dtype?new Uint8Array(w):new Uint16Array(w);if("float32"===d)if("uint8"===m.dtype||"uint16"===m.dtype){v=new Float32Array(k.length);for(var x=0;x<k.length;x++){var E=k[x];v[x]=E*m.scale+m.min}}else{if("float16"!==m.dtype)throw new Error("Unsupported quantization type ".concat(m.dtype," ")+"for weight type float32.");void 0===a&&(a=za()),v=a(k)}else{if("int32"!==d)throw new Error("Unsupported dtype in weight '".concat(f,"': ").concat(d));if("uint8"!==m.dtype&&"uint16"!==m.dtype)throw new Error("Unsupported quantization type ".concat(m.dtype," ")+"for weight type int32.");v=new Int32Array(k.length);for(x=0;x<k.length;x++){E=k[x];v[x]=Math.round(E*m.scale+m.min)}}u+=g*b}else if("string"===d){var S=y(h.shape);v=[];for(x=0;x<S;x++){var A=new Uint32Array(o.slice(u,u+4))[0];u+=4;var _=new Uint8Array(o.slice(u,u+A));v.push(_),u+=A}}else{var I=Ia[d];w=o.slice(u,u+g*I);if("float32"===d)v=new Float32Array(w);else if("int32"===d)v=new Int32Array(w);else if("bool"===d)v=new Uint8Array(w);else{if("complex64"!==d)throw new Error("Unsupported dtype in weight '".concat(f,"': ").concat(d));v=new Float32Array(w);var N=new Float32Array(v.length/2),M=new Float32Array(v.length/2);for(x=0;x<N.length;x++)N[x]=v[2*x],M[x]=v[2*x+1];var T=_a(N,p,"float32"),D=_a(M,p,"float32");s[f]=Sa(T,D),T.dispose(),D.dispose()}u+=g*I}"complex64"!==d&&(s[f]=_a(v,p,d))}}catch(e){n={error:e}}finally{try{l&&!l.done&&(r=c.return)&&r.call(c)}finally{if(n)throw n.error}}return s}function Ta(e){if(null===e)throw new Error("Invalid input value: ".concat(JSON.stringify(e)));var t=0,n=[];e.forEach((function(e){if(t+=e.byteLength,n.push(e.byteLength===e.buffer.byteLength?e:new e.constructor(e)),!(e instanceof Float32Array||e instanceof Int32Array||e instanceof Uint8Array))throw new Error("Unsupported TypedArray subtype: ".concat(e.constructor.name))}));var r=new Uint8Array(t),a=0;return n.forEach((function(e){r.set(new Uint8Array(e.buffer),a),a+=e.byteLength})),r.buffer}var Da="undefined"!=typeof Buffer&&("undefined"==typeof Blob||"undefined"==typeof atob||"undefined"==typeof btoa);function Ra(e){return Da?Buffer.byteLength(e,"utf8"):new Blob([e]).size}function Ba(e){for(e=e.trim();e.endsWith("/");)e=e.slice(0,e.length-1);var t=e.split("/");return t[t.length-1]}function Fa(e,t){var n={modelTopology:e.modelTopology,format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,weightsManifest:t};return null!=e.signature&&(n.signature=e.signature),null!=e.userDefinedMetadata&&(n.userDefinedMetadata=e.userDefinedMetadata),null!=e.modelInitializer&&(n.modelInitializer=e.modelInitializer),null!=e.initializerSignature&&(n.initializerSignature=e.initializerSignature),null!=e.trainingConfig&&(n.trainingConfig=e.trainingConfig),n}function Ca(e,t,n){var r={modelTopology:e.modelTopology,format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy};if(null!=e.trainingConfig&&(r.trainingConfig=e.trainingConfig),null!=e.weightsManifest){if(!t)throw new Error("modelJSON has weightsManifest but weightSpecs is null");if(!n)throw new Error("modelJSON has weightsManifest but weightData is null");r.weightSpecs=t,r.weightData=n}return null!=e.signature&&(r.signature=e.signature),null!=e.userDefinedMetadata&&(r.userDefinedMetadata=e.userDefinedMetadata),null!=e.modelInitializer&&(r.modelInitializer=e.modelInitializer),null!=e.initializerSignature&&(r.initializerSignature=e.initializerSignature),r}function Pa(e,t){return a(this,void 0,void 0,(function(){var n,r,a;return o(this,(function(o){switch(o.label){case 0:return null==e.weightsManifest?[3,2]:[4,t(e.weightsManifest)];case 1:a=s.apply(void 0,[o.sent(),2]),n=a[0],r=a[1],o.label=2;case 2:return[2,Ca(e,n,r)]}}))}))}function Oa(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("Expected JSON model topology, received ArrayBuffer.");return{dateSaved:new Date,modelTopologyType:"JSON",modelTopologyBytes:null==e.modelTopology?0:Ra(JSON.stringify(e.modelTopology)),weightSpecsBytes:null==e.weightSpecs?0:Ra(JSON.stringify(e.weightSpecs)),weightDataBytes:null==e.weightData?0:new Na(e.weightData).byteLength}}function La(e){var t,n,r=[];try{for(var a=i(e),o=a.next();!o.done;o=a.next()){var c=o.value;r.push.apply(r,u([],s(c.weights),!1))}}catch(e){t={error:e}}finally{try{o&&!o.done&&(n=a.return)&&n.call(a)}finally{if(t)throw t.error}}return r}function za(){var e=function(){var e=function(e){for(var t=e<<13,n=0;0==(8388608&t);)n-=8388608,t<<=1;return(t&=-8388609)|n+947912704},t=new Uint32Array(2048);t[0]=0;for(var n=1;n<1024;n++)t[n]=e(n);for(n=1024;n<2048;n++)t[n]=939524096+(n-1024<<13);return t}(),t=function(){var e=new Uint32Array(64);e[0]=0,e[31]=1199570944,e[32]=2147483648,e[63]=3347054592;for(var t=1;t<31;t++)e[t]=t<<23;for(t=33;t<63;t++)e[t]=2147483648+(t-32<<23);return e}(),n=function(){for(var e=new Uint32Array(64),t=0;t<64;t++)e[t]=1024;return e[0]=e[32]=0,e}();return function(r){for(var a=new ArrayBuffer(4*r.length),o=new Uint32Array(a),i=0;i<r.length;i++){var s=r[i],u=e[n[s>>10]+(1023&s)]+t[s>>10];o[i]=u}return new Float32Array(a)}}var Ua=function(){function e(){this.saveRouters=[],this.loadRouters=[]}return e.getInstance=function(){return null==e.instance&&(e.instance=new e),e.instance},e.registerSaveRouter=function(t){e.getInstance().saveRouters.push(t)},e.registerLoadRouter=function(t){e.getInstance().loadRouters.push(t)},e.getSaveHandlers=function(t){return e.getHandlers(t,"save")},e.getLoadHandlers=function(t,n){return e.getHandlers(t,"load",n)},e.getHandlers=function(t,n,r){var a=[];return("load"===n?e.getInstance().loadRouters:e.getInstance().saveRouters).forEach((function(e){var n=e(t,r);null!==n&&a.push(n)})),a},e}(),Wa="tensorflowjs",Ga="models_store",Ka="model_info_store";function qa(){if(!J().getBool("IS_BROWSER"))throw new Error("Failed to obtain IndexedDB factory because the current environmentis not a web browser.");var e="undefined"==typeof window?self:window,t=e.indexedDB||e.mozIndexedDB||e.webkitIndexedDB||e.msIndexedDB||e.shimIndexedDB;if(null==t)throw new Error("The current browser does not appear to support IndexedDB.");return t}function Va(e){var t=e.result;t.createObjectStore(Ga,{keyPath:"modelPath"}),t.createObjectStore(Ka,{keyPath:"modelPath"})}var Ha=function(){function e(e){if(this.indexedDB=qa(),null==e||!e)throw new Error("For IndexedDB, modelPath must not be null, undefined or empty.");this.modelPath=e}return e.prototype.save=function(e){return a(this,void 0,void 0,(function(){return o(this,(function(t){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");return[2,this.databaseAction(this.modelPath,e)]}))}))},e.prototype.load=function(){return a(this,void 0,void 0,(function(){return o(this,(function(e){return[2,this.databaseAction(this.modelPath)]}))}))},e.prototype.databaseAction=function(e,t){var n=this;return new Promise((function(e,r){var a=n.indexedDB.open(Wa,1);a.onupgradeneeded=function(){return Va(a)},a.onsuccess=function(){var o=a.result;if(null==t){var i=o.transaction(Ga,"readonly"),s=i.objectStore(Ga).get(n.modelPath);s.onsuccess=function(){if(null==s.result)return o.close(),r(new Error("Cannot find model with path '".concat(n.modelPath,"' ")+"in IndexedDB."));e(s.result.modelArtifacts)},s.onerror=function(e){return o.close(),r(s.error)},i.oncomplete=function(){return o.close()}}else{t.weightData=Na.join(t.weightData);var u,c,l=Oa(t),h=o.transaction(Ka,"readwrite"),f=h.objectStore(Ka);try{u=f.put({modelPath:n.modelPath,modelArtifactsInfo:l})}catch(e){return r(e)}u.onsuccess=function(){var a,i=(c=o.transaction(Ga,"readwrite")).objectStore(Ga);try{a=i.put({modelPath:n.modelPath,modelArtifacts:t,modelArtifactsInfo:l})}catch(e){return r(e)}a.onsuccess=function(){return e({modelArtifactsInfo:l})},a.onerror=function(e){var t=(f=h.objectStore(Ka)).delete(n.modelPath);t.onsuccess=function(){return o.close(),r(a.error)},t.onerror=function(e){return o.close(),r(a.error)}}},u.onerror=function(e){return o.close(),r(u.error)},h.oncomplete=function(){null==c?o.close():c.oncomplete=function(){return o.close()}}}},a.onerror=function(e){return r(a.error)}}))},e}();Ha.URL_SCHEME="indexeddb://";var ja=function(e){return J().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(Ha.URL_SCHEME)?(t=e.slice(Ha.URL_SCHEME.length),new Ha(t)):null;var t};Ua.registerSaveRouter(ja),Ua.registerLoadRouter(ja);var Za=function(){function e(){this.indexedDB=qa()}return e.prototype.listModels=function(){return a(this,void 0,void 0,(function(){var e=this;return o(this,(function(t){return[2,new Promise((function(t,n){var r=e.indexedDB.open(Wa,1);r.onupgradeneeded=function(){return Va(r)},r.onsuccess=function(){var e=r.result,a=e.transaction(Ka,"readonly"),o=a.objectStore(Ka).getAll();o.onsuccess=function(){var e,n,r={};try{for(var a=i(o.result),s=a.next();!s.done;s=a.next()){var u=s.value;r[u.modelPath]=u.modelArtifactsInfo}}catch(t){e={error:t}}finally{try{s&&!s.done&&(n=a.return)&&n.call(a)}finally{if(e)throw e.error}}t(r)},o.onerror=function(t){return e.close(),n(o.error)},a.oncomplete=function(){return e.close()}},r.onerror=function(e){return n(r.error)}}))]}))}))},e.prototype.removeModel=function(e){return a(this,void 0,void 0,(function(){var t=this;return o(this,(function(n){var r;return e=(r=e).startsWith(Ha.URL_SCHEME)?r.slice(Ha.URL_SCHEME.length):r,[2,new Promise((function(n,r){var a=t.indexedDB.open(Wa,1);a.onupgradeneeded=function(){return Va(a)},a.onsuccess=function(){var t,o=a.result,i=o.transaction(Ka,"readwrite"),s=i.objectStore(Ka),u=s.get(e);u.onsuccess=function(){if(null==u.result)return o.close(),r(new Error("Cannot find model with path '".concat(e,"' ")+"in IndexedDB."));var a=s.delete(e),i=function(){var a=(t=o.transaction(Ga,"readwrite")).objectStore(Ga).delete(e);a.onsuccess=function(){return n(u.result.modelArtifactsInfo)},a.onerror=function(e){return r(u.error)}};a.onsuccess=i,a.onerror=function(e){return i(),o.close(),r(u.error)}},u.onerror=function(e){return o.close(),r(u.error)},i.oncomplete=function(){null==t?o.close():t.oncomplete=function(){return o.close()}}},a.onerror=function(e){return r(a.error)}}))]}))}))},e}(),Ja="/",Ya="tensorflowjs_models",Xa="info",Qa="model_topology",$a="weight_specs",eo="weight_data",to="model_metadata";function no(e){return{info:[Ya,e,Xa].join(Ja),topology:[Ya,e,Qa].join(Ja),weightSpecs:[Ya,e,$a].join(Ja),weightData:[Ya,e,eo].join(Ja),modelMetadata:[Ya,e,to].join(Ja)}}function ro(e){var t,n;try{for(var r=i(Object.values(e)),a=r.next();!a.done;a=r.next()){var o=a.value;window.localStorage.removeItem(o)}}catch(e){t={error:e}}finally{try{a&&!a.done&&(n=r.return)&&n.call(r)}finally{if(t)throw t.error}}}function ao(e){var t=e.split(Ja);if(t.length<3)throw new Error("Invalid key format: ".concat(e));return t.slice(1,t.length-1).join(Ja)}var oo=function(){function e(e){if(!J().getBool("IS_BROWSER")||"undefined"==typeof window||"undefined"==typeof window.localStorage)throw new Error("The current environment does not support local storage.");if(this.LS=window.localStorage,null==e||!e)throw new Error("For local storage, modelPath must not be null, undefined or empty.");this.modelPath=e,this.keys=no(this.modelPath)}return e.prototype.save=function(e){return a(this,void 0,void 0,(function(){var t,n,r,a,i;return o(this,(function(o){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");t=JSON.stringify(e.modelTopology),n=JSON.stringify(e.weightSpecs),r=Oa(e),a=Na.join(e.weightData);try{return this.LS.setItem(this.keys.info,JSON.stringify(r)),this.LS.setItem(this.keys.topology,t),this.LS.setItem(this.keys.weightSpecs,n),this.LS.setItem(this.keys.weightData,function(e){if(Da)return Buffer.from(e).toString("base64");for(var t=new Uint8Array(e),n="",r=0,a=t.length;r<a;r++)n+=String.fromCharCode(t[r]);return btoa(n)}(a)),i={format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,signature:null!=e.signature?e.signature:void 0,userDefinedMetadata:null!=e.userDefinedMetadata?e.userDefinedMetadata:void 0,modelInitializer:null!=e.modelInitializer?e.modelInitializer:void 0,initializerSignature:null!=e.initializerSignature?e.initializerSignature:void 0,trainingConfig:null!=e.trainingConfig?e.trainingConfig:void 0},this.LS.setItem(this.keys.modelMetadata,JSON.stringify(i)),[2,{modelArtifactsInfo:r}]}catch(e){throw ro(this.keys),new Error("Failed to save model '".concat(this.modelPath,"' to local storage: ")+"size quota being exceeded is a possible cause of this failure: "+"modelTopologyBytes=".concat(r.modelTopologyBytes,", ")+"weightSpecsBytes=".concat(r.weightSpecsBytes,", ")+"weightDataBytes=".concat(r.weightDataBytes,"."))}return[2]}))}))},e.prototype.load=function(){return a(this,void 0,void 0,(function(){var e,t,n,r,a,i,s;return o(this,(function(o){if(null==(e=JSON.parse(this.LS.getItem(this.keys.info))))throw new Error("In local storage, there is no model with name '".concat(this.modelPath,"'"));if("JSON"!==e.modelTopologyType)throw new Error("BrowserLocalStorage does not support loading non-JSON model topology yet.");if(t={},null==(n=JSON.parse(this.LS.getItem(this.keys.topology))))throw new Error("In local storage, the topology of model '".concat(this.modelPath,"' ")+"is missing.");if(t.modelTopology=n,null==(r=JSON.parse(this.LS.getItem(this.keys.weightSpecs))))throw new Error("In local storage, the weight specs of model '".concat(this.modelPath,"' ")+"are missing.");if(t.weightSpecs=r,null!=(a=this.LS.getItem(this.keys.modelMetadata))&&(i=JSON.parse(a),t.format=i.format,t.generatedBy=i.generatedBy,t.convertedBy=i.convertedBy,null!=i.signature&&(t.signature=i.signature),null!=i.userDefinedMetadata&&(t.userDefinedMetadata=i.userDefinedMetadata),null!=i.modelInitializer&&(t.modelInitializer=i.modelInitializer),null!=i.initializerSignature&&(t.initializerSignature=i.initializerSignature),null!=i.trainingConfig&&(t.trainingConfig=i.trainingConfig)),null==(s=this.LS.getItem(this.keys.weightData)))throw new Error("In local storage, the binary weight values of model "+"'".concat(this.modelPath,"' are missing."));return t.weightData=function(e){if(Da){var t=Buffer.from(e,"base64");return t.buffer.slice(t.byteOffset,t.byteOffset+t.byteLength)}for(var n=atob(e),r=new Uint8Array(n.length),a=0;a<n.length;++a)r.set([n.charCodeAt(a)],a);return r.buffer}(s),[2,t]}))}))},e}();oo.URL_SCHEME="localstorage://";var io=function(e){return J().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(oo.URL_SCHEME)?(t=e.slice(oo.URL_SCHEME.length),new oo(t)):null;var t};Ua.registerSaveRouter(io),Ua.registerLoadRouter(io);var so=function(){function e(){g(J().getBool("IS_BROWSER"),(function(){return"Current environment is not a web browser"})),g("undefined"==typeof window||"undefined"!=typeof window.localStorage,(function(){return"Current browser does not appear to support localStorage"})),this.LS=window.localStorage}return e.prototype.listModels=function(){return a(this,void 0,void 0,(function(){var e,t,n,r,a,i;return o(this,(function(o){for(e={},t=Ya+Ja,n=Ja+Xa,r=0;r<this.LS.length;++r)(a=this.LS.key(r)).startsWith(t)&&a.endsWith(n)&&(i=ao(a),e[i]=JSON.parse(this.LS.getItem(a)));return[2,e]}))}))},e.prototype.removeModel=function(e){return a(this,void 0,void 0,(function(){var t,n;return o(this,(function(r){var a;if(e=(a=e).startsWith(oo.URL_SCHEME)?a.slice(oo.URL_SCHEME.length):a,t=no(e),null==this.LS.getItem(t.info))throw new Error("Cannot find model at path '".concat(e,"'"));return n=JSON.parse(this.LS.getItem(t.info)),ro(t),[2,n]}))}))},e}(),uo="://",co=function(){function e(){this.managers={}}return e.getInstance=function(){return null==e.instance&&(e.instance=new e),e.instance},e.registerManager=function(t,n){g(null!=t,(function(){return"scheme must not be undefined or null."})),t.endsWith(uo)&&(t=t.slice(0,t.indexOf(uo))),g(t.length>0,(function(){return"scheme must not be an empty string."}));var r=e.getInstance();g(null==r.managers[t],(function(){return"A model store manager is already registered for scheme '".concat(t,"'.")})),r.managers[t]=n},e.getManager=function(t){var n=e.getInstance().managers[t];if(null==n)throw new Error("Cannot find model manager for scheme '".concat(t,"'"));return n},e.getSchemes=function(){return Object.keys(e.getInstance().managers)},e}();function lo(e){if(-1===e.indexOf(uo))throw new Error("The url string provided does not contain a scheme. Supported schemes are: "+"".concat(co.getSchemes().join(",")));return{scheme:e.split(uo)[0],path:e.split(uo)[1]}}function ho(e,t,n){return void 0===n&&(n=!1),a(this,void 0,void 0,(function(){var r,a,i,s,u,c,l,h,f;return o(this,(function(o){switch(o.label){case 0:return g(e!==t,(function(){return"Old path and new path are the same: '".concat(e,"'")})),g((r=Ua.getLoadHandlers(e)).length>0,(function(){return"Copying failed because no load handler is found for source URL ".concat(e,".")})),g(r.length<2,(function(){return"Copying failed because more than one (".concat(r.length,") ")+"load handlers for source URL ".concat(e,".")})),a=r[0],g((i=Ua.getSaveHandlers(t)).length>0,(function(){return"Copying failed because no save handler is found for destination "+"URL ".concat(t,".")})),g(i.length<2,(function(){return"Copying failed because more than one (".concat(r.length,") ")+"save handlers for destination URL ".concat(t,".")})),s=i[0],u=lo(e).scheme,c=lo(e).path,l=u===lo(e).scheme,[4,a.load()];case 1:return h=o.sent(),n&&l?[4,co.getManager(u).removeModel(c)]:[3,3];case 2:o.sent(),o.label=3;case 3:return[4,s.save(h)];case 4:return f=o.sent(),!n||l?[3,6]:[4,co.getManager(u).removeModel(c)];case 5:o.sent(),o.label=6;case 6:return[2,f.modelArtifactsInfo]}}))}))}var fo=function(){function e(){this.messageName="setTimeoutCustom",this.functionRefs=[],this.handledMessageCount=0,this.hasEventListener=!1}return e.prototype.fetch=function(e,t){return fetch(e,t)},e.prototype.now=function(){return performance.now()},e.prototype.encode=function(e,t){if("utf-8"!==t&&"utf8"!==t)throw new Error("Browser's encoder only supports utf-8, but got ".concat(t));return null==this.textEncoder&&(this.textEncoder=new TextEncoder),this.textEncoder.encode(e)},e.prototype.decode=function(e,t){return new TextDecoder(t).decode(e)},e.prototype.setTimeoutCustom=function(e,t){var n=this;"undefined"!=typeof window&&J().getBool("USE_SETTIMEOUTCUSTOM")?(this.functionRefs.push(e),setTimeout((function(){window.postMessage({name:n.messageName,index:n.functionRefs.length-1},"*")}),t),this.hasEventListener||(this.hasEventListener=!0,window.addEventListener("message",(function(e){e.source===window&&e.data.name===n.messageName&&(e.stopPropagation(),(0,n.functionRefs[e.data.index])(),n.handledMessageCount++,n.handledMessageCount===n.functionRefs.length&&(n.functionRefs=[],n.handledMessageCount=0))}),!0))):setTimeout(e,t)},e.prototype.isTypedArray=function(e){return Wn(e)},e}();if(J().get("IS_BROWSER")){J().setPlatform("browser",new fo);try{co.registerManager(oo.URL_SCHEME,new so)}catch(e){}try{co.registerManager(Ha.URL_SCHEME,new Za)}catch(e){}}var po,go=function(){return require("node-fetch")},vo=function(){function e(){this.util=require("util"),this.textEncoder=new this.util.TextEncoder}return e.prototype.fetch=function(e,t){return null!=J().global.fetch?J().global.fetch(e,t):(null==po&&(po=go()),po(e,t))},e.prototype.now=function(){var e=process.hrtime();return 1e3*e[0]+e[1]/1e6},e.prototype.encode=function(e,t){if("utf-8"!==t&&"utf8"!==t)throw new Error("Node built-in encoder only supports utf-8, but got ".concat(t));return this.textEncoder.encode(e)},e.prototype.decode=function(e,t){return 0===e.length?"":new this.util.TextDecoder(t).decode(e)},e.prototype.isTypedArray=function(e){return this.util.types.isFloat32Array(e)||this.util.types.isInt32Array(e)||this.util.types.isUint8Array(e)||this.util.types.isUint8ClampedArray(e)},e}();function mo(e,t,n){return void 0===t&&(t="float32"),t=t||"float32",G(e),new Gr(e,t,n)}J().get("IS_NODE")&&!J().get("IS_BROWSER")&&J().setPlatform("node",new vo);var yo=Ea({cast_:function(e,t){var n=wa(e,"x","cast");if(!N(t))throw new Error("Failed to cast to unknown dtype ".concat(t));if("string"===t&&"string"!==n.dtype||"string"!==t&&"string"===n.dtype)throw new Error("Only strings can be casted to strings");var r={x:n},a={dtype:t};return fa.runKernel(ve,r,a)}});var bo=Ea({clone_:function(e){var t={x:wa(e,"x","clone","string_or_numeric")};return fa.runKernel($e,t)}});function wo(e,t){void 0===t&&(t=!1),console.log(e.toString(t))}function ko(e,t){return fa.tidy(e,t)}function xo(e){aa(e).forEach((function(e){return e.dispose()}))}function Eo(e){return fa.keep(e)}la(),qr={buffer:mo,cast:yo,clone:bo,print:wo};var So=Ea({add_:function(e,t){var n,r=wa(e,"a","add"),a=wa(t,"b","add"),o={a:r=(n=s(na(r,a),2))[0],b:a=n[1]};return fa.runKernel(ee,o)}});var Ao=Ea({floorDiv_:function(e,t){var n,r=wa(e,"a","floorDiv"),a=wa(t,"b","floorDiv"),o={a:r=(n=s(na(r,a),2))[0],b:a=n[1]};return fa.runKernel(je,o)}});var _o=Ea({div_:function(e,t){var n,r=wa(e,"a","div"),a=wa(t,"b","div");if(r=(n=s(na(r,a),2))[0],a=n[1],"int32"===r.dtype&&"int32"===a.dtype)return Ao(r,a);var o={a:r,b:a};return fa.runKernel(ze,o,{})}});var Io=Ea({mul_:function(e,t){var n,r=wa(e,"a","mul"),a=wa(t,"b","mul"),o={a:r=(n=s(na(r,a),2))[0],b:a=n[1]};return fa.runKernel(kt,o)}});var No=Ea({abs_:function(e){var t=wa(e,"x","abs");if("complex64"===t.dtype){var n={x:t};return fa.runKernel(we,n)}return n={x:t},fa.runKernel("Abs",n)}});var Mo=Ea({acos_:function(e){var t={x:wa(e,"x","acos")};return fa.runKernel(Q,t)}});var To=Ea({acosh_:function(e){var t={x:wa(e,"x","acosh")};return fa.runKernel($,t)}});var Do=Ea({addN_:function(e){g(Array.isArray(e),(function(){return"The argument passed to tf.addN() must be a list of tensors"})),g(e.length>=1,(function(){return"Must pass at least one tensor to tf.addN(), but got "+"".concat(e.length)}));var t=e.map((function(e,t){return wa(e,"tensors".concat(t),"addN")})),n=t[0];t.forEach((function(e){if(e.dtype!==n.dtype)throw new Error("All tensors passed to tf.addN() must have the same dtype")})),t.forEach((function(e){if(!w(e.shape,n.shape))throw new Error("All tensors passed to tf.addN() must have the same shape")}));var r=t;return fa.runKernel(te,r)}});var Ro=Ea({all_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r={x:wa(e,"x","all","bool")},a={axis:t,keepDims:n};return fa.runKernel("All",r,a)}});var Bo=Ea({any_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r={x:wa(e,"x","any","bool")},a={axis:t,keepDims:n};return fa.runKernel("Any",r,a)}});var Fo=Ea({argMax_:function(e,t){void 0===t&&(t=0);var n={x:wa(e,"x","argMax")},r={axis:t};return fa.runKernel(ne,n,r)}});var Co=Ea({argMin_:function(e,t){void 0===t&&(t=0);var n={x:wa(e,"x","argMin")},r={axis:t};return fa.runKernel(re,n,r)}});var Po=Ea({asin_:function(e){var t={x:wa(e,"x","asin")};return fa.runKernel(ae,t)}});var Oo=Ea({asinh_:function(e){var t={x:wa(e,"x","asinh")};return fa.runKernel(oe,t)}});var Lo=Ea({atan_:function(e){var t={x:wa(e,"x","atan")};return fa.runKernel(ie,t)}});var zo=Ea({atan2_:function(e,t){var n,r=wa(e,"a","atan2"),a=wa(t,"b","atan2"),o={a:r=(n=s(na(r,a),2))[0],b:a=n[1]};return fa.runKernel(ue,o)}});var Uo=Ea({atanh_:function(e){var t={x:wa(e,"x","atanh")};return fa.runKernel(se,t)}});function Wo(e,t,n,r,a,o,i){void 0===i&&(i="channelsLast");var u,c=s(Vo(t),2),l=c[0],h=c[1];if("channelsLast"===i)u=[l,h,e[3],e[3]];else{if("channelsFirst"!==i)throw new Error("Unknown dataFormat ".concat(i));u=[l,h,e[1],e[1]]}return Go(e,u,n,r,a,o,!1,i)}function Go(e,t,n,r,a,o,i,u){var c,l;void 0===i&&(i=!1),void 0===u&&(u="channelsLast");var h=s([-1,-1,-1,-1],4),f=h[0],d=h[1],p=h[2],g=h[3];if("channelsLast"===u)f=(c=s(e,4))[0],d=c[1],p=c[2],g=c[3];else{if("channelsFirst"!==u)throw new Error("Unknown dataFormat ".concat(u));f=(l=s(e,4))[0],g=l[1],d=l[2],p=l[3]}var v,m=s(t,4),y=m[0],b=m[1],w=m[3],k=s(Vo(n),2),x=k[0],E=k[1],S=s(Vo(r),2),A=S[0],_=S[1],I=jo(y,A),N=jo(b,_),M=function(e,t,n,r,a,o,i,s,u){var c,l,h;if("number"==typeof e){c={top:e,bottom:e,left:e,right:e,type:0===e?"VALID":"NUMBER"};var f=function(e,t,n,r,a){null==r&&(r=qo(e,t,n));var o=e[0],i=e[1],s=Zo((o-t+2*r)/n+1,a),u=Zo((i-t+2*r)/n+1,a);return[s,u]}([t,n],o,r,e,s);l=f[0],h=f[1]}else if("same"===e){l=Math.ceil(t/r),h=Math.ceil(n/a);var d=Math.max(0,(l-1)*r+o-t),p=Math.max(0,(h-1)*a+i-n);c={top:g=Math.floor(d/2),bottom:v=d-g,left:m=Math.floor(p/2),right:y=p-m,type:"SAME"}}else if("valid"===e)c={top:0,bottom:0,left:0,right:0,type:"VALID"},l=Math.ceil((t-o+1)/r),h=Math.ceil((n-i+1)/a);else{if("object"!=typeof e)throw Error("Unknown padding parameter: ".concat(e));var g,v,m,y;c={top:g="channelsLast"===u?e[1][0]:e[2][0],bottom:v="channelsLast"===u?e[1][1]:e[2][1],left:m="channelsLast"===u?e[2][0]:e[3][0],right:y="channelsLast"===u?e[2][1]:e[3][1],type:0===g&&0===v&&0===m&&0===y?"VALID":"EXPLICIT"},l=Zo((t-o+g+v)/r+1,s),h=Zo((n-i+m+y)/a+1,s)}return{padInfo:c,outHeight:l,outWidth:h}}(a,d,p,x,E,I,N,o,u),T=M.padInfo,D=M.outHeight,R=M.outWidth,B=i?w*g:w;return"channelsFirst"===u?v=[f,B,D,R]:"channelsLast"===u&&(v=[f,D,R,B]),{batchSize:f,dataFormat:u,inHeight:d,inWidth:p,inChannels:g,outHeight:D,outWidth:R,outChannels:B,padInfo:T,strideHeight:x,strideWidth:E,filterHeight:y,filterWidth:b,effectiveFilterHeight:I,effectiveFilterWidth:N,dilationHeight:A,dilationWidth:_,inShape:e,outShape:v,filterShape:t}}function Ko(e,t,n,r,a,o,i,u){var c,l;void 0===o&&(o=!1),void 0===i&&(i="channelsLast");var h=s([-1,-1,-1,-1,-1],5),f=h[0],d=h[1],p=h[2],g=h[3],v=h[4];if("channelsLast"===i)f=(c=s(e,5))[0],d=c[1],p=c[2],g=c[3],v=c[4];else{if("channelsFirst"!==i)throw new Error("Unknown dataFormat ".concat(i));f=(l=s(e,5))[0],v=l[1],d=l[2],p=l[3],g=l[4]}var m,y=s(t,5),b=y[0],w=y[1],k=y[2],x=y[4],E=s(Ho(n),3),S=E[0],A=E[1],_=E[2],I=s(Ho(r),3),N=I[0],M=I[1],T=I[2],D=jo(b,N),R=jo(w,M),B=jo(k,T),F=function(e,t,n,r,a,o,i,s,u,c,l){var h,f,d,p;"valid"===e&&(e=0);if("number"==typeof e){h={top:e,bottom:e,left:e,right:e,front:e,back:e,type:0===e?"VALID":"NUMBER"};var g=function(e,t,n,r,a,o){null==a&&(a=qo(e,t[0],r[0]));for(var i=[0,0,0,n],s=0;s<3;s++)e[s]+2*a>=t[s]&&(i[s]=Zo((e[s]-t[s]+2*a)/r[s]+1,o));return i}([t,n,r,1],[s,u,c],1,[a,o,i],e,l);f=g[0],d=g[1],p=g[2]}else{if("same"!==e)throw Error("Unknown padding parameter: ".concat(e));var v=((f=Math.ceil(t/a))-1)*a+s-t,m=((d=Math.ceil(n/o))-1)*o+u-n,y=((p=Math.ceil(r/i))-1)*i+c-r,b=Math.floor(v/2),w=v-b,k=Math.floor(m/2),x=m-k,E=Math.floor(y/2);h={top:k,bottom:x,left:E,right:y-E,front:b,back:w,type:"SAME"}}return{padInfo:h,outDepth:f,outHeight:d,outWidth:p}}(a,d,p,g,S,A,_,D,R,B,u),C=F.padInfo,P=F.outDepth,O=F.outHeight,L=F.outWidth,z=o?x*v:x;return"channelsFirst"===i?m=[f,z,P,O,L]:"channelsLast"===i&&(m=[f,P,O,L,z]),{batchSize:f,dataFormat:i,inDepth:d,inHeight:p,inWidth:g,inChannels:v,outDepth:P,outHeight:O,outWidth:L,outChannels:z,padInfo:C,strideDepth:S,strideHeight:A,strideWidth:_,filterDepth:b,filterHeight:w,filterWidth:k,effectiveFilterDepth:D,effectiveFilterHeight:R,effectiveFilterWidth:B,dilationDepth:N,dilationHeight:M,dilationWidth:T,inShape:e,outShape:m,filterShape:t}}function qo(e,t,n,r){void 0===r&&(r=1);var a=jo(t,r);return Math.floor((e[0]*(n-1)-n+a)/2)}function Vo(e){return"number"==typeof e?[e,e,e]:2===e.length?[e[0],e[1],1]:e}function Ho(e){return"number"==typeof e?[e,e,e]:e}function jo(e,t){return t<=1?e:e+(e-1)*(t-1)}function Zo(e,t){if(!t)return Math.trunc(e);switch(t){case"round":return Math.round(e);case"ceil":return Math.ceil(e);case"floor":return Math.floor(e);default:throw new Error("Unknown roundingMode ".concat(t))}}function Jo(e){var t=s(Vo(e),3),n=t[0],r=t[1],a=t[2];return 1===n&&1===r&&1===a}function Yo(e,t){return Jo(e)||Jo(t)}function Xo(e){return Vo(e).every((function(e){return e>0}))}function Qo(e){if("NHWC"===e)return"channelsLast";if("NCHW"===e)return"channelsFirst";throw new Error("Unknown dataFormat ".concat(e))}function $o(e,t,n){if(null!=n){if("string"==typeof t)throw Error("Error in ".concat(e,": pad must be an integer when using ")+"dimRoundingMode ".concat(n," but got pad ").concat(t,"."));if("number"==typeof t)g(k(t),(function(){return"Error in ".concat(e,": pad must be an integer when using ")+"dimRoundingMode ".concat(n," but got pad ").concat(t,".")}));else{if("object"!=typeof t)throw Error("Error in ".concat(e,": Unknown padding parameter: ").concat(t));t.forEach((function(t){t.forEach((function(t){g(k(t),(function(){return"Error in ".concat(e,": pad must be an integer when using ")+"dimRoundingMode ".concat(n," but got pad ").concat(t,".")}))}))}))}}}var ei=Ea({reshape_:function(e,t){var n={x:wa(e,"x","reshape","string_or_numeric")},r={shape:t};return fa.runKernel(zt,n,r)}});var ti=Ea({avgPool_:function(e,t,n,r,a){var o=wa(e,"x","avgPool","float32");g(Yo(n,1),(function(){return"Error in avgPool: Either strides or dilations must be 1. "+"Got strides ".concat(n," and dilations '").concat(1,"'")}));var i=o,s=!1;3===o.rank&&(s=!0,i=ei(o,[1,o.shape[0],o.shape[1],o.shape[2]])),g(4===i.rank,(function(){return"Error in avgPool: x must be rank 4 but got rank ".concat(i.rank,".")})),$o("avgPool",r,a);var u={x:i},c={filterSize:t,strides:n,pad:r,dimRoundingMode:a},l=fa.runKernel(ce,u,c);return l=yo(l,o.dtype),s?ei(l,[l.shape[1],l.shape[2],l.shape[3]]):l}});var ni=Ea({avgPool3d_:function(e,t,n,r,a,o){void 0===o&&(o="NDHWC");var i=wa(e,"x","avgPool3d","float32"),s=i,u=!1;4===i.rank&&(u=!0,s=ei(i,[1,i.shape[0],i.shape[1],i.shape[2],i.shape[3]])),g(5===s.rank,(function(){return"Error in avgPool3d: x must be rank 5 but got rank ".concat(s.rank,".")})),g("NDHWC"===o,(function(){return"Error in avgPool3d: Only NDHWC is currently supported, "+"but got dataFormat of ".concat(o)})),g("number"==typeof n&&n>0||Array.isArray(n)&&n[0]>0&&n[1]>0&&n[2]>0,(function(){return"Error in avgPool3d: Stride must be > 0, but got '".concat(n,"'")})),$o("avgPool3d",r,a);var c={x:s},l={filterSize:t,strides:n,pad:r,dimRoundingMode:a,dataFormat:o},h=fa.runKernel(le,c,l);return h=yo(h,s.dtype),u?ei(h,[h.shape[1],h.shape[2],h.shape[3],h.shape[4]]):h}});var ri=Ea({concat_:function(e,t){void 0===t&&(t=0),g(e.length>=1,(function(){return"Pass at least one tensor to concat"}));var n=ka(e,"tensors","concat","string_or_numeric");if("complex64"===n[0].dtype&&n.forEach((function(e){if("complex64"!==e.dtype)throw new Error("Cannot concatenate complex64 tensors with a tensor\n          with dtype ".concat(e.dtype,". "))})),1===n.length)return bo(n[0]);var r=n,a={axis:t};return fa.runKernel(ke,r,a)}});var ai=Ea({matMul_:function(e,t,n,r){var a;void 0===n&&(n=!1),void 0===r&&(r=!1);var o=wa(e,"a","matMul"),i=wa(t,"b","matMul"),u={a:o=(a=s(na(o,i),2))[0],b:i=a[1]},c={transposeA:n,transposeB:r};return fa.runKernel(he,u,c)}});var oi=Ea({sigmoid_:function(e){var t={x:wa(e,"x","sigmoid","float32")};return fa.runKernel(en,t)}});var ii=Ea({slice_:function(e,t,n){var r=wa(e,"x","slice","string_or_numeric");if(0===r.rank)throw new Error("Slicing scalar is not possible");var a={x:r},o={begin:t,size:n};return fa.runKernel(Xt,a,o)}});var si=Ea({tanh_:function(e){var t={x:wa(e,"x","tanh","float32")};return fa.runKernel(yn,t)}});var ui=Ea({basicLSTMCell_:function(e,t,n,r,a,o){var i=wa(e,"forgetBias","basicLSTMCell"),s=wa(t,"lstmKernel","basicLSTMCell"),u=wa(n,"lstmBias","basicLSTMCell"),c=wa(r,"data","basicLSTMCell"),l=wa(a,"c","basicLSTMCell"),h=wa(o,"h","basicLSTMCell"),f=ri([c,h],1),d=ai(f,s),p=So(d,u),g=p.shape[0],v=p.shape[1]/4,m=[g,v],y=ii(p,[0,0],m),b=ii(p,[0,v],m),w=ii(p,[0,2*v],m),k=ii(p,[0,3*v],m),x=So(Io(oi(y),si(b)),Io(l,oi(So(i,w))));return[x,Io(si(x),oi(k))]}});var ci=Ea({batchToSpaceND_:function(e,t,n){var r=wa(e,"x","batchToSpaceND"),a=t.reduce((function(e,t){return e*t}));g(r.rank>=1+t.length,(function(){return"input rank is ".concat(r.rank," but should be > than blockShape.length ").concat(t.length)})),g(n.length===t.length,(function(){return"crops.length is ".concat(n.length," but should be equal to blockShape.length  ").concat(t.length)})),g(r.shape[0]%a==0,(function(){return"input tensor batch is ".concat(r.shape[0]," but is not divisible by the product of ")+"the elements of blockShape ".concat(t.join(" * ")," === ").concat(a)}));var o={x:r},i={blockShape:t,crops:n};return fa.runKernel(fe,o,i)}});var li=Ea({batchNorm_:function(e,t,n,r,a,o){null==o&&(o=.001);var i,s,u=wa(e,"x","batchNorm"),c=wa(t,"mean","batchNorm"),l=wa(n,"variance","batchNorm");null!=a&&(i=wa(a,"scale","batchNorm")),null!=r&&(s=wa(r,"offset","batchNorm")),g(c.rank===l.rank,(function(){return"Batch normalization gradient requires mean and variance to have equal ranks."})),g(null==s||c.rank===s.rank,(function(){return"Batch normalization gradient requires mean and offset to have equal ranks."})),g(null==i||c.rank===i.rank,(function(){return"Batch normalization gradient requires mean and scale to have equal ranks."}));var h=function(e){return 0===e.rank||1===e.rank?ei(e,[1,1,1,e.size]):2===e.rank?ei(e,[1,1,e.shape[0],e.shape[1]]):3===e.rank?ei(e,[1,e.shape[0],e.shape[1],e.shape[2]]):e}(u),f={x:h,scale:i,offset:s,mean:c,variance:l},d={varianceEpsilon:o},p=fa.runKernel(Ze,f,d);return ei(p,u.shape)}});var hi=Ea({batchNorm2d_:function(e,t,n,r,a,o){var i,s,u=wa(e,"x","batchNorm"),c=wa(t,"mean","batchNorm"),l=wa(n,"variance","batchNorm");return null!=a&&(i=wa(a,"scale","batchNorm")),null!=r&&(s=wa(r,"offset","batchNorm")),g(2===u.rank,(function(){return"Error in batchNorm2D: x must be rank 2 but got rank "+"".concat(u.rank,".")})),g(2===c.rank||1===c.rank,(function(){return"Error in batchNorm2D: mean must be rank 2 or rank 1 but "+"got rank ".concat(c.rank,".")})),g(2===l.rank||1===l.rank,(function(){return"Error in batchNorm2D: variance must be rank 2 or rank 1 "+"but got rank ".concat(l.rank,".")})),null!=i&&g(2===i.rank||1===i.rank,(function(){return"Error in batchNorm2D: scale must be rank 2 or rank 1 "+"but got rank ".concat(i.rank,".")})),null!=s&&g(2===s.rank||1===s.rank,(function(){return"Error in batchNorm2D: offset must be rank 2 or rank 1 "+"but got rank ".concat(s.rank,".")})),li(u,c,l,s,i,o)}});var fi=Ea({batchNorm3d_:function(e,t,n,r,a,o){var i,s,u=wa(e,"x","batchNorm"),c=wa(t,"mean","batchNorm"),l=wa(n,"variance","batchNorm");return null!=a&&(i=wa(a,"scale","batchNorm")),null!=r&&(s=wa(r,"offset","batchNorm")),g(3===u.rank,(function(){return"Error in batchNorm3D: x must be rank 3 but got rank "+"".concat(u.rank,".")})),g(3===c.rank||1===c.rank,(function(){return"Error in batchNorm3D: mean must be rank 3 or rank 1 but "+"got rank ".concat(c.rank,".")})),g(3===l.rank||1===l.rank,(function(){return"Error in batchNorm3D: variance must be rank 3 or rank 1 "+"but got rank ".concat(l.rank,".")})),null!=i&&g(3===i.rank||1===i.rank,(function(){return"Error in batchNorm3D: scale must be rank 3 or rank 1 "+"but got rank ".concat(i.rank,".")})),null!=s&&g(3===s.rank||1===s.rank,(function(){return"Error in batchNorm3D: offset must be rank 3 or rank 1 "+"but got rank ".concat(s.rank,".")})),li(u,c,l,s,i,o)}});var di=Ea({batchNorm4d_:function(e,t,n,r,a,o){var i,s,u=wa(e,"x","batchNorm"),c=wa(t,"mean","batchNorm"),l=wa(n,"variance","batchNorm");return null!=a&&(i=wa(a,"scale","batchNorm")),null!=r&&(s=wa(r,"offset","batchNorm")),g(4===u.rank,(function(){return"Error in batchNorm4D: x must be rank 4 but got rank "+"".concat(u.rank,".")})),g(4===c.rank||1===c.rank,(function(){return"Error in batchNorm4D: mean must be rank 4 or rank 1 but "+"got rank ".concat(c.rank,".")})),g(4===l.rank||1===l.rank,(function(){return"Error in batchNorm4D: variance must be rank 4 or rank 1 "+"but got rank ".concat(l.rank,".")})),null!=i&&g(4===i.rank||1===i.rank,(function(){return"Error in batchNorm4D: scale must be rank 4 or rank 1 "+"but got rank ".concat(i.rank,".")})),null!=s&&g(4===s.rank||1===s.rank,(function(){return"Error in batchNorm4D: offset must be rank 4 or rank 1 "+"but got rank ".concat(s.rank,".")})),li(u,c,l,s,i,o)}});var pi=Ea({bincount_:function(e,t,n){var r=wa(e,"x","bincount"),a=wa(t,"weights","bincount");g("int32"===r.dtype,(function(){return"Error in bincount: input "+"dtype must be int32, but got ".concat(r.dtype)})),g(n>=0,(function(){return"size must be non-negative, but got ".concat(n,".")})),g(a.size===r.size||0===a.size,(function(){return"Error in bincount: weights must have the same size as input or"+"0-length, but got input shape: ".concat(r.shape,", weights shape: ")+"".concat(a.shape,".")}));var o={x:r,weights:a},i={size:n};return fa.runKernel(de,o,i)}});var gi=Ea({bitwiseAnd_:function(e,t){var n=wa(e,"x","bitwiseAnd"),r=wa(t,"y","bitwiseAnd");if(!w(n.shape,r.shape))throw new Error("BitwiseAnd: Tensors must have the same shape. x: ".concat(n.shape,", y: ").concat(r.shape));if("int32"!==n.dtype||"int32"!==r.dtype)throw new Error("BitwiseAnd: Only supports 'int32' values in tensor, found type of x: ".concat(n.dtype," and type of y: ").concat(r.dtype));var a={a:n,b:r};return fa.runKernel(pe,a)}});var vi=Ea({broadcastArgs_:function(e,t){var n=wa(e,"s0","broadcastArgs","int32"),r=wa(t,"s1","broadcastArgs","int32");if(1!==n.rank)throw new Error("broadcastArgs(): first input must be a vector (rank=1). "+"Has rank ".concat(n.rank));if(1!==r.rank)throw new Error("broadcastArgs(): second input must be a vector (rank=1). "+"Has rank ".concat(r.rank));var a={s0:n,s1:r};return fa.runKernel(ge,a)}});var mi=Ea({broadcastTo_:function(e,t){var n=wa(e,"broadcastTo","x"),r=n.shape;if(G(t),t.length<n.rank)throw new Error("broadcastTo(): shape.length=".concat(t.length," < input.rank=").concat(n.rank,"."));if(t.length>n.rank){for(var a=n.shape.slice();a.length<t.length;)a.unshift(1);n=ei(n,a)}for(var o=n.shape,i=Array.from(t),s=t.length-1;s>=0;s--)if(o[s]===t[s])i[s]=1;else if(1!==n.shape[s])throw new Error("broadcastTo(): [".concat(r,"] cannot be broadcast to [").concat(t,"]."));var u=i.map((function(e,t){return e>1?t:-1})).filter((function(e){return e>=0}));if(0===u.length)return bo(n);var c={x:n},l={reps:i};return fa.runKernel(bn,c,l)}});var yi=Ea({ceil_:function(e){var t={x:wa(e,"x","ceil","float32")};return fa.runKernel(me,t)}});function bi(e,t,n){G(e);var r={shape:e,value:t,dtype:n=n||F(t)};return fa.runKernel(qe,{},r)}var wi=Ea({clipByValue_:function(e,t,n){var r=wa(e,"x","clipByValue");if(g(t<=n,(function(){return"Error in clip: min (".concat(t,") must be ")+"less than or equal to max (".concat(n,").")})),t===n)return bi(r.shape,t,r.dtype);var a={x:r},o={clipValueMin:t,clipValueMax:n};return fa.runKernel(ye,a,o)}});var ki=Ea({concat1d_:function(e){return ri(e,0)}});var xi=Ea({concat2d_:function(e,t){return ri(e,t)}});var Ei=Ea({concat3d_:function(e,t){return ri(e,t)}});var Si=Ea({concat4d_:function(e,t){return ri(e,t)}});var Ai=Ea({conv2d_:function(e,t,n,r,a,o,i){void 0===a&&(a="NHWC"),void 0===o&&(o=[1,1]);var s=wa(e,"x","conv2d","float32"),u=wa(t,"filter","conv2d","float32"),c=s,l=!1;3===s.rank&&(l=!0,c=ei(s,[1,s.shape[0],s.shape[1],s.shape[2]])),g(4===c.rank,(function(){return"Error in conv2d: input must be rank 4, but got rank ".concat(c.rank,".")})),g(4===u.rank,(function(){return"Error in conv2d: filter must be rank 4, but got rank "+"".concat(u.rank,".")})),$o("conv2d",r,i);var h="NHWC"===a?c.shape[3]:c.shape[1];g(h===u.shape[2],(function(){return"Error in conv2d: depth of input (".concat(h,") must match ")+"input depth for filter ".concat(u.shape[2],".")})),g(Yo(n,o),(function(){return"Error in conv2D: Either strides or dilations must be 1. "+"Got strides ".concat(n," and dilations '").concat(o,"'")})),g(Xo(o),(function(){return"Error in conv2D: Dilated rates should be larger than 0."})),g(Xo(n),(function(){return"Error in conv2D: Strides should be larger than 0."}));var f={x:c,filter:u},d={strides:n,pad:r,dataFormat:a,dilations:o,dimRoundingMode:i},p=fa.runKernel(xe,f,d);return l?ei(p,[p.shape[1],p.shape[2],p.shape[3]]):p}});var _i=Ea({conv1d_:function(e,t,n,r,a,o,i){void 0===a&&(a="NWC"),void 0===o&&(o=1);var s=wa(e,"x","conv1d"),u=wa(t,"filter","conv1d"),c=s,l=!1;2===s.rank&&(l=!0,c=ei(s,[1,s.shape[0],s.shape[1]])),g(3===c.rank,(function(){return"Error in conv1d: input must be rank 3, but got rank ".concat(c.rank,".")})),g(3===u.rank,(function(){return"Error in conv1d: filter must be rank 3, but got rank "+"".concat(u.rank,".")})),$o("conv1d",r,i),g(c.shape[2]===u.shape[1],(function(){return"Error in conv1d: depth of input (".concat(c.shape[2],") must match ")+"input depth for filter ".concat(u.shape[1],".")})),g(Yo(n,o),(function(){return"Error in conv1D: Either stride or dilation must be 1. "+"Got stride ".concat(n," and dilation '").concat(o,"'")})),g(Xo(o),(function(){return"Error in conv1D: Dilated rates should be larger than 0."})),g(Xo(n),(function(){return"Error in conv1D: Stride should be larger than 0."})),g("NWC"===a,(function(){return"Error in conv1d: got dataFormat of ".concat(a," but only NWC is currently supported.")}));var h=ei(u,[1,u.shape[0],u.shape[1],u.shape[2]]),f=ei(c,[c.shape[0],1,c.shape[1],c.shape[2]]),d=Ai(f,h,[1,n],r,"NHWC",[1,o],i);return ei(d,l?[d.shape[2],d.shape[3]]:[d.shape[0],d.shape[2],d.shape[3]])}});var Ii=Ea({conv2DBackpropInput_:function(e,t,n,r,a,o,i){void 0===o&&(o="NHWC"),g(e.length===t.rank,(function(){return"Length of inShape "+"(".concat(e.length,") and rank of dy (").concat(t.rank,") must match")}));var s=e,u=t,c=!1;3===t.rank&&(c=!0,u=ei(t,[1,t.shape[0],t.shape[1],t.shape[2]]),s=[1,e[0],e[1],e[2]]),g(4===s.length,(function(){return"Error in conv2dDerInput: inShape must be length 4, but got length "+"".concat(s.length,".")})),g(4===u.rank,(function(){return"Error in conv2dDerInput: dy must be rank 4, but got "+"rank ".concat(u.rank)})),g(4===n.rank,(function(){return"Error in conv2dDerInput: filter must be rank 4, but got "+"rank ".concat(n.rank)}));var l="NHWC"===o?s[3]:s[1],h="NHWC"===o?u.shape[3]:u.shape[1];g(l===n.shape[2],(function(){return"Error in conv2dDerInput: depth of input (".concat(l,") must ")+"match input depth for filter ".concat(n.shape[2],".")})),g(h===n.shape[3],(function(){return"Error in conv2dDerInput: depth of output (".concat(h,") must ")+"match output depth for filter ".concat(n.shape[3],".")})),$o("conv2dDerInput",a,i);var f={dy:u,filter:n},d={strides:r,pad:a,dataFormat:o,dimRoundingMode:i,inputShape:s},p=fa.runKernel(Se,f,d);return c?ei(p,[p.shape[1],p.shape[2],p.shape[3]]):p}});var Ni=Ea({conv2dTranspose_:function(e,t,n,r,a,o){var i=wa(e,"x","conv2dTranspose"),s=wa(t,"filter","conv2dTranspose");return Ii(n,i,s,r,a,"NHWC",o)}});var Mi=Ea({conv3d_:function(e,t,n,r,a,o){void 0===a&&(a="NDHWC"),void 0===o&&(o=[1,1,1]);var i=wa(e,"x","conv3d"),s=wa(t,"filter","conv3d"),u=i,c=!1;4===i.rank&&(c=!0,u=ei(i,[1,i.shape[0],i.shape[1],i.shape[2],i.shape[3]])),g(5===u.rank,(function(){return"Error in conv3d: input must be rank 5, but got rank ".concat(u.rank,".")})),g(5===s.rank,(function(){return"Error in conv3d: filter must be rank 5, but got rank "+"".concat(s.rank,".")})),g(u.shape[4]===s.shape[3],(function(){return"Error in conv3d: depth of input (".concat(u.shape[4],") must match ")+"input depth for filter ".concat(s.shape[3],".")})),g(Yo(n,o),(function(){return"Error in conv3D: Either strides or dilations must be 1. "+"Got strides ".concat(n," and dilations '").concat(o,"'")})),g("NDHWC"===a,(function(){return"Error in conv3d: got dataFormat of ".concat(a," but only NDHWC is currently supported.")})),g(Xo(o),(function(){return"Error in conv3D: Dilated rates should be larger than 0."})),g(Xo(n),(function(){return"Error in conv3D: Strides should be larger than 0."}));var l={x:u,filter:s},h={strides:n,pad:r,dataFormat:a,dilations:o},f=fa.runKernel(Ae,l,h);return c?ei(f,[f.shape[1],f.shape[2],f.shape[3],f.shape[4]]):f}});var Ti=Ea({conv3DBackpropInput_:function(e,t,n,r,a){g(e.length===t.rank,(function(){return"Length of inShape "+"(".concat(e.length,") and rank of dy (").concat(t.rank,") must match")}));var o=e,i=t,s=!1;4===t.rank&&(s=!0,i=ei(t,[1,t.shape[0],t.shape[1],t.shape[2],t.shape[3]]),o=[1,e[0],e[1],e[2],e[3]]);var u=o[4],c=i.shape[4];g(5===o.length,(function(){return"Error in conv3dDerInput: inShape must be length 5, but got length "+"".concat(o.length,".")})),g(5===i.rank,(function(){return"Error in conv3dDerInput: dy must be rank 5, but got "+"rank ".concat(i.rank)})),g(5===n.rank,(function(){return"Error in conv3dDerInput: filter must be rank 5, but got "+"rank ".concat(n.rank)})),g(u===n.shape[3],(function(){return"Error in conv3dDerInput: depth of input (".concat(u,") must ")+"match input depth for filter ".concat(n.shape[3],".")})),g(c===n.shape[4],(function(){return"Error in conv3dDerInput: depth of output (".concat(c,") must ")+"match output depth for filter ".concat(n.shape[4],".")}));var l={dy:i,filter:n},h={pad:a,strides:r,inputShape:o},f=fa.runKernel(_e,l,h);return s?ei(f,[f.shape[1],f.shape[2],f.shape[3],f.shape[4]]):f}});var Di=Ea({conv3dTranspose_:function(e,t,n,r,a){var o=wa(e,"x","conv3dTranspose"),i=wa(t,"filter","conv3dTranspose");return Ti(n,o,i,r,a)}});var Ri=Ea({cos_:function(e){var t={x:wa(e,"x","cos","float32")};return fa.runKernel("Cos",t)}});var Bi=Ea({cosh_:function(e){var t={x:wa(e,"x","cosh","float32")};return fa.runKernel(Ie,t)}});var Fi=Ea({cumprod_:function(e,t,n,r){void 0===t&&(t=0),void 0===n&&(n=!1),void 0===r&&(r=!1);var a={x:wa(e,"x","cumprod")},o={axis:t,exclusive:n,reverse:r};return fa.runKernel(Ne,a,o)}});var Ci=Ea({cumsum_:function(e,t,n,r){void 0===t&&(t=0),void 0===n&&(n=!1),void 0===r&&(r=!1);var a={x:wa(e,"x","cumsum")},o={axis:t,exclusive:n,reverse:r};return fa.runKernel(Me,a,o)}});var Pi=Ea({denseBincount_:function(e,t,n,r){void 0===r&&(r=!1);var a=wa(e,"x","denseBincount"),o=wa(t,"weights","denseBincount");g("int32"===a.dtype,(function(){return"Error in denseBincount: input "+"dtype must be int32, but got ".concat(a.dtype)})),g(a.rank<=2,(function(){return"Error in denseBincount: input must be at most rank 2, but got "+"rank ".concat(a.rank,".")})),g(n>=0,(function(){return"size must be non-negative, but got ".concat(n,".")})),g(o.size===a.size||0===o.size,(function(){return"Error in denseBincount: weights must have the same shape as x or "+"0-length, but got x shape: ".concat(a.shape,", weights shape: ")+"".concat(o.shape,".")}));var i={x:a,weights:o},s={size:n,binaryOutput:r};return fa.runKernel(De,i,s)}});var Oi=Ea({depthToSpace_:function(e,t,n){void 0===n&&(n="NHWC");var r=wa(e,"x","depthToSpace","float32"),a="NHWC"===n?r.shape[1]:r.shape[2],o="NHWC"===n?r.shape[2]:r.shape[3],i="NHWC"===n?r.shape[3]:r.shape[1];g(t>1,(function(){return"blockSize should be > 1 for depthToSpace, but was: ".concat(t)})),g(a*t>=0,(function(){return"Negative dimension size caused by overflow when multiplying\n    ".concat(a," and ").concat(t,"  for depthToSpace with input shape\n    ").concat(r.shape)})),g(o*t>=0,(function(){return"Negative dimension size caused by overflow when multiplying\n    ".concat(o," and ").concat(t," for depthToSpace with input shape\n        ").concat(r.shape)})),g(i%(t*t)==0,(function(){return"Dimension size must be evenly divisible by ".concat(t*t," but is ").concat(i," for depthToSpace with input shape ").concat(r.shape)}));var s={x:r},u={blockSize:t,dataFormat:n};return fa.runKernel(Re,s,u)}});var Li=Ea({depthwiseConv2d_:function(e,t,n,r,a,o,i){void 0===a&&(a="NHWC"),void 0===o&&(o=[1,1]);var s=wa(e,"x","depthwiseConv2d","float32"),u=wa(t,"filter","depthwiseConv2d","float32"),c=s,l=!1;3===s.rank&&(l=!0,c=ei(s,[1,s.shape[0],s.shape[1],s.shape[2]])),g(4===c.rank,(function(){return"Error in depthwiseConv2d: input must be rank 4, but got "+"rank ".concat(c.rank,".")})),g(4===u.rank,(function(){return"Error in depthwiseConv2d: filter must be rank 4, but got rank "+"".concat(u.rank,".")}));var h="NHWC"===a?c.shape[3]:c.shape[1];g(h===u.shape[2],(function(){return"Error in depthwiseConv2d: number of input channels "+"(".concat(h,") must match the inChannels dimension in ")+"filter ".concat(u.shape[2],".")})),$o("depthwiseConv2d",r,i);var f={x:c,filter:u},d={strides:n,pad:r,dataFormat:a,dilations:o,dimRoundingMode:i},p=fa.runKernel(Be,f,d);return l?ei(p,[p.shape[1],p.shape[2],p.shape[3]]):p}});var zi=Ea({diag_:function(e){var t={x:wa(e,"x","diag")};return fa.runKernel(Pe,t)}});var Ui=Ea({dilation2d_:function(e,t,n,r,a,o){void 0===a&&(a=[1,1]),void 0===o&&(o="NHWC");var i=wa(e,"x","dilation2d"),s=wa(t,"filter","dilation2d");g(3===i.rank||4===i.rank,(function(){return"Error in dilation2d: input must be rank 3 or 4, but got rank "+"".concat(i.rank,".")})),g(3===s.rank,(function(){return"Error in dilation2d: filter must be rank 3, but got rank "+"".concat(s.rank,".")})),g("NHWC"===o,(function(){return"Error in dilation2d: Only NHWC is currently supported, "+"but got dataFormat of ".concat(o)}));var u=i,c=!1;3===i.rank&&(u=ei(i,[1,i.shape[0],i.shape[1],i.shape[2]]),c=!0),g(u.shape[3]===s.shape[2],(function(){return"Error in dilation2d:  input and filter must have the same depth: ".concat(u.shape[3]," vs ").concat(s.shape[2])}));var l={x:u,filter:s},h={strides:n,pad:r,dilations:a},f=fa.runKernel(Oe,l,h);return c?ei(f,[f.shape[1],f.shape[2],f.shape[3]]):f}});function Wi(e,t){for(var n=e.length,r=[],a=0;a<n;a++){var o=n-1-a,i=e[o]||1;(t[t.length-1-a]||1)>1&&1===i&&r.unshift(o)}return r}function Gi(e,t){for(var n=[],r=0;r<t.length;r++){var a=e[e.length-r-1],o=t.length-r-1,i=t[o];(null==a||1===a&&i>1)&&n.unshift(o)}return n}function Ki(e,t){for(var n=Math.max(e.length,t.length),r=new Array(n),a=0;a<n;a++){var o=e[e.length-a-1];null==o&&(o=1);var i=t[t.length-a-1];if(null==i&&(i=1),1===o)r[n-a-1]=i;else if(1===i)r[n-a-1]=o;else{if(o!==i){var s="Operands could not be broadcast together with shapes "+"".concat(e," and ").concat(t,".");throw Error(s)}r[n-a-1]=o}}return r}var qi={__proto__:null,assertAndGetBroadcastShape:Ki,getBroadcastDims:Wi,getReductionAxes:Gi};var Vi=Ea({equal_:function(e,t){var n,r=wa(e,"a","equal","string_or_numeric"),a=wa(t,"b","equal","string_or_numeric");r=(n=s(na(r,a),2))[0],a=n[1],Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(We,o)}});var Hi=Ea({where_:function(e,t,n){var r=wa(t,"a","where"),a=wa(n,"b","where"),o=wa(e,"condition","where","bool"),i=Ki(Ki(o.shape,r.shape),a.shape),s={condition:mi(o,i),t:mi(r,i),e:mi(a,i)};return fa.runKernel(Jt,s)}});var ji=Ea({zerosLike_:function(e){var t={x:wa(e,"x","zerosLike")};return fa.runKernel(_n,t)}});var Zi=Ea({divNoNan_:function(e,t){var n,r=wa(e,"a","div"),a=wa(t,"b","div");r=(n=s(na(r,a),2))[0],a=n[1];var o=_o(r,a),i=ji(o),u=Vi(a,i);return Hi(u,i,o)}});var Ji=Ea({dot_:function(e,t){var n=wa(e,"t1","dot"),r=wa(t,"t2","dot");g(!(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 "+"".concat(n.rank," and ").concat(r.rank,".")}));var a=1===n.rank?n.size:n.shape[1],o=1===r.rank?r.size:r.shape[0];if(g(a===o,(function(){return"Error in dot: inner dimensions of inputs must match, but got "+"".concat(a," and ").concat(o,".")})),1===n.rank&&1===r.rank){var i=ei(n,[1,-1]),s=ei(r,[-1,1]),u=ai(i,s);return ei(u,[])}if(1===n.rank&&2===r.rank){i=ei(n,[1,-1]),s=ei(r,[r.shape[0],r.shape[1]]),u=ai(i,s);return ei(u,[u.size])}if(2===n.rank&&1===r.rank){s=ei(r,[-1,1]),u=ai(n,s);return ei(u,[u.size])}return s=ei(r,[r.shape[0],r.shape[1]]),u=ai(n,s)}});var Yi=Ea({einsum_:function(e){for(var t=[],n=1;n<arguments.length;n++)t[n-1]=arguments[n];var r=t.map((function(e,t){return wa(e,"tensors".concat(t),"einsum")})),a={equation:e};return fa.runKernel(Ue,r,a)}});var Xi=Ea({elu_:function(e){var t={x:wa(e,"x","elu","float32")};return fa.runKernel("Elu",t)}});var Qi=Ea({ensureShape_:function(e,t){var n=wa(e,"x","ensureShape","string_or_numeric");if(!b(n.shape,t))throw new Error("EnsureShape: Shape of tensor ".concat(n.shape," is not compatible with expected shape ").concat(t));return e}});var $i=Ea({erf_:function(e){var t=wa(e,"x","erf");g("int32"===t.dtype||"float32"===t.dtype,(function(){return"Input dtype must be `int32` or `float32`."})),"int32"===t.dtype&&(t=yo(t,"float32"));var n={x:t};return fa.runKernel("Erf",n)}});function es(e,t){for(var n=0;n<e.length;++n)if(e[e.length-n-1]!==t-1-n)return!1;return!0}function ts(e,t,n){for(var r=e.length+t.length,a=[],o=0,i=0,s=0;s<r;s++)-1===n.indexOf(s)?a.push(e[o++]):a.push(t[i++]);return a}function ns(e,t){return ts(e,t.map((function(e){return 1})),t)}var rs=Ea({max_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r={x:wa(e,"x","max")},a={reductionIndices:t,keepDims:n};return fa.runKernel("Max",r,a)}});var as=Ea({min_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r={x:wa(e,"x","min")},a={axis:t,keepDims:n};return fa.runKernel("Min",r,a)}});var os=Ea({pow_:function(e,t){var n,r=wa(e,"base","pow"),a=wa(t,"exp","pow"),o={a:r=(n=s(na(r,a),2))[0],b:a=n[1]};return fa.runKernel("Pow",o)}});function is(e,t){if((Rr(e)&&"string"!==t||Array.isArray(e))&&"complex64"!==t)throw new Error("Error creating a new Scalar: value must be a primitive (number|boolean|string)");if("string"===t&&Rr(e)&&!(e instanceof Uint8Array))throw new Error("When making a scalar from encoded string, the value must be `Uint8Array`.");return Aa(e,[],[],t)}var ss=Ea({sqrt_:function(e){var t={x:wa(e,"x","sqrt","float32")};return fa.runKernel(nn,t)}});var us=Ea({square_:function(e){var t=wa(e,"x","square");return fa.runKernel("Square",{x:t},{})}});var cs=Ea({sum_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r=wa(e,"x","sum");"bool"===r.dtype&&(r=yo(r,"int32"));var a={x:r},o={axis:t,keepDims:n};return fa.runKernel("Sum",a,o)}});function ls(e,t,n){if(void 0===n&&(n=null),0===e.rank)return No(e);if(1!==e.rank&&null===n)return ls(ei(e,[-1]),t,n);if(1===e.rank||"number"==typeof n||Array.isArray(n)&&1===n.length){if(1===t)return cs(No(e),n);if(t===1/0)return rs(No(e),n);if(t===-1/0)return as(No(e),n);if("euclidean"===t||2===t)return ss(cs(os(No(e),is(2,"int32")),n));throw new Error("Error in norm: invalid ord value: ".concat(t))}if(Array.isArray(n)&&2===n.length){if(1===t)return rs(cs(No(e),n[0]),n[1]-1);if(t===1/0)return rs(cs(No(e),n[1]),n[0]);if(t===-1/0)return as(cs(No(e),n[1]),n[0]);if("fro"===t||"euclidean"===t)return ss(cs(us(e),n));throw new Error("Error in norm: invalid ord value: ".concat(t))}throw new Error("Error in norm: invalid axis: ".concat(n))}var hs=Ea({norm_:function(e,t,n,r){void 0===t&&(t="euclidean"),void 0===n&&(n=null),void 0===r&&(r=!1);var a=ls(e=wa(e,"x","norm"),t,n),o=a.shape;if(r){var i=E(n,e.shape);o=ns(a.shape,i)}return ei(a,o)}});var fs=Ea({euclideanNorm_:function(e,t,n){return void 0===t&&(t=null),void 0===n&&(n=!1),hs(e,"euclidean",t,n)}});var ds=Ea({exp_:function(e){var t={x:wa(e,"x","exp")};return fa.runKernel("Exp",t)}});var ps=Ea({expandDims_:function(e,t){void 0===t&&(t=0);var n=wa(e,"x","expandDims","string_or_numeric");g(t<=n.rank,(function(){return"Axis must be <= rank of the tensor"}));var r={input:n},a={dim:t};return fa.runKernel(Ge,r,a)}});var gs=Ea({expm1_:function(e){var t={x:wa(e,"x","expm1")};return fa.runKernel(Ke,t)}});var vs=Ea({tile_:function(e,t){var n=wa(e,"x","tile","string_or_numeric");g(n.rank===t.length,(function(){return"Error in transpose: rank of input ".concat(n.rank," ")+"must match length of reps ".concat(t,".")}));var r={x:n},a={reps:t};return fa.runKernel(bn,r,a)}});var ms=Ea({eye_:function(e,t,n,r){void 0===r&&(r="float32"),null==t&&(t=e);for(var a=mo([e,t],r),o=e<=t?e:t,i=0;i<o;++i)a.set(1,i,i);var s=ei(a.toTensor(),[e,t]);if(null==n)return s;if(1===n.length)return vs(ps(s,0),[n[0],1,1]);if(2===n.length)return vs(ps(ps(s,0),0),[n[0],n[1],1,1]);if(3===n.length)return vs(ps(ps(ps(s,0),0),0),[n[0],n[1],n[2],1,1]);throw new Error("eye() currently supports only 1D and 2D "+"batchShapes, but received ".concat(n.length,"D."))}});var ys=Ea({floor_:function(e){var t={x:wa(e,"x","floor","float32")};return fa.runKernel(He,t)}});var bs=Ea({gather_:function(e,t,n,r){void 0===n&&(n=0),void 0===r&&(r=0);var a={x:wa(e,"x","gather"),indices:wa(t,"indices","gather","int32")},o={axis:n,batchDims:r};return fa.runKernel(Je,a,o)}});var ws=Ea({greater_:function(e,t){var n,r=wa(e,"a","greater","string_or_numeric"),a=wa(t,"b","greater","string_or_numeric");r=(n=s(na(r,a),2))[0],a=n[1],Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(Xe,o)}});var ks=Ea({greaterEqual_:function(e,t){var n,r=wa(e,"a","greaterEqual","string_or_numeric"),a=wa(t,"b","greaterEqual","string_or_numeric");r=(n=s(na(r,a),2))[0],a=n[1],Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(Qe,o)}});var xs=Ea({imag_:function(e){var t={input:wa(e,"input","imag")};return fa.runKernel(tt,t)}});var Es=Ea({isFinite_:function(e){var t={x:wa(e,"x","isFinite")};return fa.runKernel(nt,t)}});var Ss=Ea({isInf_:function(e){var t={x:wa(e,"x","isInf")};return fa.runKernel(rt,t)}});var As=Ea({isNaN_:function(e){var t={x:wa(e,"x","isNaN")};return fa.runKernel(at,t)}});var _s=Ea({leakyRelu_:function(e,t){void 0===t&&(t=.2);var n={x:wa(e,"x","leakyRelu")},r={alpha:t};return fa.runKernel(ot,n,r)}});var Is=Ea({less_:function(e,t){var n,r=wa(e,"a","less","string_or_numeric"),a=wa(t,"b","less","string_or_numeric");r=(n=s(na(r,a),2))[0],a=n[1],Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(it,o)}});var Ns=Ea({lessEqual_:function(e,t){var n,r=wa(e,"a","lessEqual","string_or_numeric"),a=wa(t,"b","lessEqual","string_or_numeric");r=(n=s(na(r,a),2))[0],a=n[1],Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(st,o)}});var Ms=Ea({localResponseNormalization_:function(e,t,n,r,a){void 0===t&&(t=5),void 0===n&&(n=1),void 0===r&&(r=1),void 0===a&&(a=.5);var o=wa(e,"x","localResponseNormalization");g(4===o.rank||3===o.rank,(function(){return"Error in localResponseNormalization: x must be rank 3 or 4 but got\n               rank ".concat(o.rank,".")})),g(k(t),(function(){return"Error in localResponseNormalization: depthRadius must be an "+"integer but got depthRadius ".concat(t,".")}));var i=o,s=!1;3===o.rank&&(s=!0,i=ei(o,[1,o.shape[0],o.shape[1],o.shape[2]]));var u={x:i},c={depthRadius:t,bias:n,alpha:r,beta:a},l=fa.runKernel("LRN",u,c);return s?ei(l,[l.shape[1],l.shape[2],l.shape[3]]):l}});var Ts=Ea({log_:function(e){var t={x:wa(e,"x","log","float32")};return fa.runKernel("Log",t)}});var Ds=Ea({log1p_:function(e){var t={x:wa(e,"x","log1p")};return fa.runKernel(ct,t)}});function Rs(e,t){g(C(e),(function(){return"The f passed in variableGrads(f) must be a function"})),g(null==t||Array.isArray(t)&&t.every((function(e){return e instanceof Xr})),(function(){return"The varList passed in variableGrads(f, varList) must be an array of variables"}));var n=null!=t;if(!n)for(var r in t=[],fa.registeredVariables)t.push(fa.registeredVariables[r]);var a=n?t.filter((function(e){return!e.trainable})):null,o=t.length;t=t.filter((function(e){return e.trainable})),g(t.length>0,(function(){return"variableGrads() expects at least one of the input variables to "+"be trainable, but none of the ".concat(o," variables is ")+"trainable."}));var i=fa.gradients(e,t,null,!0),s=i.value,u=i.grads;g(u.some((function(e){return null!=e})),(function(){return"Cannot find a connection between any variable and the result of the loss function y=f(x). Please make sure the operations that use variables are inside the function f passed to minimize()."})),g(0===s.rank,(function(){return"The f passed in variableGrads(f) must return a scalar, but it "+"returned a rank-".concat(s.rank," tensor")}));var c={};return t.forEach((function(e,t){null!=u[t]&&(c[e.name]=u[t])})),null!=a&&a.forEach((function(e){return c[e.name]=null})),{value:s,grads:c}}function Bs(e){return fa.customGrad(e)}function Fs(e){if(e.filter((function(e){return null==e})).length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that\n    the f you passed encloses all operations that lead from x to y.")}var Cs=Ea({neg_:function(e){var t={x:wa(e,"x","neg")};return fa.runKernel("Neg",t)}});var Ps=Ea({softplus_:function(e){var t={x:wa(e,"x","softplus")};return fa.runKernel(tn,t)}});var Os=Ea({logSigmoid_:function(e){var t=wa(e,"x","logSigmoid"),n=Bs((function(e){return{value:Cs(Ps(Cs(e))),gradFunc:function(t){return Io(t,oi(Cs(e)))}}}));return n(t)}});var Ls=Ea({sub_:function(e,t){var n,r=wa(e,"a","sub"),a=wa(t,"b","sub"),o={a:r=(n=s(na(r,a),2))[0],b:a=n[1]};return fa.runKernel("Sub",o)}});var zs=Ea({logSoftmax_:function(e,t){void 0===t&&(t=-1);var n=wa(e,"logits","logSoftmax");if(-1===t&&(t=n.rank-1),t!==n.rank-1)throw Error("Log Softmax along a non-last dimension is not yet supported. "+"Logits was rank ".concat(n.rank," and axis was ").concat(t));var r=Bs((function(e,n){var r=rs(e,t,!0),a=Ls(e,r),o=Ls(yo(a,"float32"),Ts(cs(ds(a),t,!0)));n([o]);return{value:o,gradFunc:function(e,n){var r=s(n,1)[0],a=ds(r);return Ls(e,Io(cs(e,t,!0),a))}}}));return r(n)}});var Us=Ea({logSumExp_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r=wa(e,"x","logSumExp"),a=E(t,r.shape),o=rs(r,a,!0),i=Ls(r,o),s=ds(i),u=cs(s,a),c=Ts(u),l=So(ei(o,c.shape),c);if(n){var h=ns(l.shape,a);return ei(l,h)}return l}});var Ws=Ea({logicalAnd_:function(e,t){var n=wa(e,"a","logicalAnd","bool"),r=wa(t,"b","logicalAnd","bool");Ki(n.shape,r.shape);var a={a:n,b:r};return fa.runKernel(lt,a)}});var Gs=Ea({logicalNot_:function(e){var t={x:wa(e,"x","logicalNot","bool")};return fa.runKernel(ht,t)}});var Ks=Ea({logicalOr_:function(e,t){var n=wa(e,"a","logicalOr","bool"),r=wa(t,"b","logicalOr","bool");Ki(n.shape,r.shape);var a={a:n,b:r};return fa.runKernel(ft,a)}});var qs=Ea({logicalXor_:function(e,t){var n=wa(e,"a","logicalXor","bool"),r=wa(t,"b","logicalXor","bool");return Ki(n.shape,r.shape),Ws(Ks(e,t),Gs(Ws(e,t)))}}),Vs=2147483648;var Hs=Ea({searchSorted_:function(e,t,n){void 0===n&&(n="left");var r=wa(e,"sortedSequence","searchSorted"),a=wa(t,"values","searchSorted"),o=r.shape[r.shape.length-1],i=a.shape[a.shape.length-1],s=ei(r,[-1,o]),u=ei(a,[-1,i]);if(s.rank<2)throw new Error("Sorted input argument must be at least 2-dimensional");if(s.shape[0]!==u.shape[0])throw new Error("Leading dimension of 'sortedSequence' and 'values' must match.");if(y(u.shape)>=Vs)throw new Error("values tensor size must less than ".concat(Vs));if(s.shape[1]>=Vs)throw new Error("trailing dim_size must less than ".concat(Vs," for int32 output type, was ").concat(s.shape[1]));var c={sortedSequence:s,values:u},l={side:n};return fa.runKernel(Zt,c,l)}});var js=Ea({maxPool_:function(e,t,n,r,a){var o=wa(e,"x","maxPool"),i=o,s=!1;3===o.rank&&(s=!0,i=ei(o,[1,o.shape[0],o.shape[1],o.shape[2]])),g(4===i.rank,(function(){return"Error in maxPool: input must be rank 4 but got rank ".concat(i.rank,".")})),g(Yo(n,1),(function(){return"Error in maxPool: Either strides or dilations must be 1. "+"Got strides ".concat(n," and dilations '").concat(1,"'")})),$o("maxPool",r,a);var u={x:i},c={filterSize:t,strides:n,pad:r,dimRoundingMode:a},l=fa.runKernel(pt,u,c);return s?ei(l,[l.shape[1],l.shape[2],l.shape[3]]):l}});var Zs=Ea({maxPool3d_:function(e,t,n,r,a,o){void 0===t&&(t=[1,1,1]),void 0===o&&(o="NDHWC");var i=wa(e,"x","maxPool3d"),s=i,u=!1;4===i.rank&&(u=!0,s=ei(i,[1,i.shape[0],i.shape[1],i.shape[2],i.shape[3]])),g(5===s.rank,(function(){return"Error in maxPool3d: x must be rank 5 but got rank ".concat(s.rank,".")})),g("NDHWC"===o,(function(){return"Error in maxPool3d: Only NDHWC is currently supported, "+"but got dataFormat of ".concat(o)})),$o("maxPool3d",r,a);var c={x:s},l={filterSize:t,strides:n,pad:r,dimRoundingMode:a,dataFormat:o},h=fa.runKernel(gt,c,l);return u?ei(h,[h.shape[1],h.shape[2],h.shape[3],h.shape[4]]):h}});var Js=Ea({maxPoolWithArgmax_:function(e,t,n,r,a){void 0===a&&(a=!1);var o={x:wa(e,"x","maxPoolWithArgmax")},i={filterSize:t,strides:n,pad:r,includeBatchInIndex:a},s=fa.runKernel(vt,o,i);return{result:s[0],indexes:s[1]}}});var Ys=Ea({maximum_:function(e,t){var n,r=wa(e,"a","maximum"),a=wa(t,"b","maximum");r=(n=s(na(r,a),2))[0],a=n[1],"bool"===r.dtype&&(r=yo(r,"int32"),a=yo(a,"int32")),Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(dt,o)}});var Xs=Ea({mean_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r={x:wa(e,"x","mean")},a={axis:t,keepDims:n};return fa.runKernel(mt,r,a)}});function Qs(e,t){if(void 0===t&&(t="float32"),G(e),"complex64"===t){var n=Qs(e,"float32"),r=Qs(e,"float32");return Sa(n,r)}var a=W(y(e),t);return fa.makeTensor(a,e,t)}function $s(e,t){if(void 0===t&&(t="float32"),G(e),"complex64"===t){var n=$s(e,"float32"),r=Qs(e,"float32");return Sa(n,r)}var a=U(y(e),t);return fa.makeTensor(a,e,t)}var eu=Ea({minimum_:function(e,t){var n,r=wa(e,"a","minimum"),a=wa(t,"b","minimum");r=(n=s(na(r,a),2))[0],a=n[1],"bool"===r.dtype&&(r=yo(r,"int32"),a=yo(a,"int32")),Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(yt,o)}});var tu=Ea({mirrorPad_:function(e,t,n){g("reflect"===n||"symmetric"===n,(function(){return"Invalid mode. Mode must be either reflect or symmetric. "+"Got ".concat(n,".")}));var r=wa(e,"x","mirrorPad");if(0===r.rank)throw new Error("mirrorPad(scalar) is not defined. Pass non-scalar to mirrorPad");g(t.length===r.rank,(function(){return"Padding doesn't match input. Must be ".concat(r.rank,". ")+"Got ".concat(t.length,".")}));for(var a="reflect"===n?1:0,o=function(e){g(2===t[e].length,(function(){return"Invalid number of paddings. Must be length of 2 each."})),g(t[e][0]>=0&&t[e][0]<=r.shape[e]-a&&t[e][1]>=0&&t[e][1]<=r.shape[e]-a,(function(){return"Padding in dimension ".concat(e," cannot be greater than or equal ")+"to ".concat(r.shape[e]-a," or less than 0 for input of ")+"shape ".concat(r.shape)}))},i=0;i<r.rank;i++)o(i);var s={paddings:t,mode:n},u={x:r};return fa.runKernel(bt,u,s)}});var nu=Ea({mod_:function(e,t){var n,r=wa(e,"a","mod"),a=wa(t,"b","mod"),o={a:r=(n=s(na(r,a),2))[0],b:a=n[1]};return fa.runKernel("Mod",o)}});var ru=Ea({moments_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r=E(t,(e=wa(e,"x","moments")).shape),a=Xs(e,r,n),o=a.shape;n||(o=ns(a.shape,r));var i=us(Ls(yo(e,"float32"),ei(a,o)));return{mean:a,variance:Xs(i,r,n)}}});var au=Ea({multiRNNCell_:function(e,t,n,r){for(var a=wa(t,"data","multiRNNCell"),o=ka(n,"c","multiRNNCell"),i=ka(r,"h","multiRNNCell"),s=a,u=[],c=0;c<e.length;c++){var l=e[c](s,o[c],i[c]);u.push(l[0]),u.push(l[1]),s=l[1]}var h=[],f=[];for(c=0;c<u.length;c+=2)h.push(u[c]),f.push(u[c+1]);return[h,f]}});var ou=Ea({multinomial_:function(e,t,n,r){void 0===r&&(r=!1);var a=wa(e,"logits","multinomial"),o=a.size,i=a.rank;if(o<2)throw new Error("Error in multinomial: you need at least 2 outcomes, but got "+"".concat(o,"."));if(i>2)throw new Error("Rank of probabilities must be 1 or 2, but is ".concat(i));n=n||Math.random();var s={logits:1===i?ei(a,[1,-1]):a},u={numSamples:t,seed:n,normalized:r},c=fa.runKernel(wt,s,u);return 1===i?ei(c,[c.size]):c}});var iu=Ea({notEqual_:function(e,t){var n,r=wa(e,"a","notEqual","string_or_numeric"),a=wa(t,"b","notEqual","string_or_numeric");r=(n=s(na(r,a),2))[0],a=n[1],Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(xt,o)}});var su=Ea({oneHot_:function(e,t,n,r,a){if(void 0===n&&(n=1),void 0===r&&(r=0),void 0===a&&(a="int32"),t<2)throw new Error("Error in oneHot: depth must be >=2, but it is ".concat(t));var o={indices:wa(e,"indices","oneHot","int32")},i={dtype:a,depth:t,onValue:n,offValue:r};return fa.runKernel(It,o,i)}});var uu=Ea({onesLike_:function(e){var t={x:wa(e,"x","onesLike")};return fa.runKernel(_t,t)}});var cu=Ea({outerProduct_:function(e,t){var n=wa(e,"v1","outerProduct"),r=wa(t,"v2","outerProduct");g(1===n.rank&&1===r.rank,(function(){return"Error in outerProduct: inputs must be rank 1, but got ranks "+"".concat(n.rank," and ").concat(r.rank,".")}));var a=ei(n,[-1,1]),o=ei(r,[1,-1]);return ai(a,o)}});var lu=Ea({pad_:function(e,t,n){void 0===n&&(n=0);var r=wa(e,"x","pad");if(0===r.rank)throw new Error("pad(scalar) is not defined. Pass non-scalar to pad");var a={paddings:t,constantValue:n},o={x:r};return fa.runKernel(Mt,o,a)}});var hu=Ea({pad1d_:function(e,t,n){return void 0===n&&(n=0),g(2===t.length,(function(){return"Invalid number of paddings. Must be length of 2."})),lu(e,[t],n)}});var fu=Ea({pad2d_:function(e,t,n){return void 0===n&&(n=0),g(2===t.length&&2===t[0].length&&2===t[1].length,(function(){return"Invalid number of paddings. Must be length of 2 each."})),lu(e,t,n)}});var du=Ea({pad3d_:function(e,t,n){return void 0===n&&(n=0),g(3===t.length&&2===t[0].length&&2===t[1].length&&2===t[2].length,(function(){return"Invalid number of paddings. Must be length of 2 each."})),lu(e,t,n)}});var pu=Ea({pad4d_:function(e,t,n){return void 0===n&&(n=0),g(4===t.length&&2===t[0].length&&2===t[1].length&&2===t[2].length&&2===t[3].length,(function(){return"Invalid number of paddings. Must be length of 2 each."})),lu(e,t,n)}});var gu=Ea({spaceToBatchND_:function(e,t,n){var r=wa(e,"x","spaceToBatchND");g(r.rank>=1+t.length,(function(){return"input rank ".concat(r.rank," should be > than [blockShape] ").concat(t.length)})),g(n.length===t.length,(function(){return"paddings.shape[0] ".concat(n.length," must be equal to [blockShape] ").concat(t.length)})),g(r.shape.reduce((function(e,r,a){return a>0&&a<=t.length?e&&(r+n[a-1][0]+n[a-1][1])%t[a-1]==0:e}),!0),(function(){return"input spatial dimensions ".concat(r.shape.slice(1)," with paddings ").concat(n.toString()," must be divisible by blockShapes ").concat(t.toString())}));var a={x:r},o={blockShape:t,paddings:n};return fa.runKernel(rn,a,o)}});var vu=Ea({pool_:function(e,t,n,r,a,o,i){null==a&&(a=[1,1]),null==o&&(o=1),0===r&&(r="valid");var u=wa(e,"x","maxPool"),c=u,l=!1;3===u.rank&&(l=!0,c=ei(u,[1,u.shape[0],u.shape[1],u.shape[2]])),g(Yo(o,a),(function(){return"Error in pool: Either strides or dilations must be 1. "+"Got strides ".concat(o," and dilations '").concat(a,"'")}));var h,f=Wo(c.shape,t,o,a,r),d=[f.dilationHeight,f.dilationWidth];h="same"===r?function(e,t){var n=e.map((function(e,n){return e+(e-1)*(t[n]-1)})).map((function(e){return e-1})),r=n.map((function(e){return Math.floor(e/2)})),a=n.map((function(e,t){return e-r[t]}));return n.map((function(e,t){return[r[t],a[t]]}))}([f.filterHeight,f.filterWidth],d):[[0,0],[0,0]];var p=1===d[0]&&1===d[1],v=s(function(e,t,n){var r=n.map((function(e){return e[0]})),a=n.map((function(e){return e[1]})),o=e.concat(r,a),i=t.map((function(e,t){return(e-o[t]%e)%e})),s=a.map((function(e,t){return e+i[t]})),u=t.map((function(e,t){return[r[t],s[t]]})),c=t.map((function(e,t){return[0,i[t]]}));return[u,c]}([f.inHeight,f.inWidth],d,h),2),m=v[0],y=v[1],b=p?r:"valid",w=p?c:gu(c,d,m),k=("avg"===n?function(){return ti(w,t,o,b,i)}:function(){return js(w,t,o,b,i)})(),x=p?k:ci(k,d,y);return l?ei(x,[x.shape[1],x.shape[2],x.shape[3]]):x}});var mu=Ea({prelu_:function(e,t){var n={x:wa(e,"x","prelu"),alpha:wa(t,"alpha","prelu")};return fa.runKernel(Tt,n)}});var yu=Ea({prod_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r=wa(e,"x","prod");"bool"===r.dtype&&(r=yo(r,"int32"));var a={x:r},o={axis:t,keepDims:n};return fa.runKernel(Dt,a,o)}});var bu=Ea({raggedGather_:function(e,t,n,r){var a={paramsNestedSplits:e.map((function(e,t){return wa(e,"tensors".concat(t),"raggedGather","int32")})),paramsDenseValues:wa(t,"paramsDenseValues","raggedGather"),indices:wa(n,"indices","raggedGather","int32")},o={outputRaggedRank:r},i=fa.runKernel(Rt,a,o);return{outputNestedSplits:i.slice(0,i.length-1),outputDenseValues:i[i.length-1]}}});var wu=Ea({raggedRange_:function(e,t,n){var r=wa(e,"starts","raggedRange"),a={starts:r,limits:wa(t,"limits","raggedRange",r.dtype),deltas:wa(n,"deltas","raggedRange",r.dtype)},o=fa.runKernel(Bt,a);return{rtNestedSplits:o[0],rtDenseValues:o[1]}}});var ku=Ea({raggedTensorToTensor_:function(e,t,n,r,a){var o=wa(e,"shape","raggedTensorToTensor","int32"),i=wa(t,"values","raggedTensorToTensor"),s={shape:o,values:i,defaultValue:wa(n,"defaultValue","raggedTensorToTensor",i.dtype),rowPartitionTensors:r.map((function(e,t){return wa(e,"tensors".concat(t),"raggedTensorToTensor","int32")}))},u={rowPartitionTypes:a};return fa.runKernel(Ft,s,u)}});var xu=Ea({rand_:function(e,t,n){G(e);var r=y(e),a=null;if(null==n||"float32"===n)a=new Float32Array(r);else if("int32"===n)a=new Int32Array(r);else{if("bool"!==n)throw new Error("Unknown data type ".concat(n));a=new Uint8Array(r)}for(var o=0;o<r;o++)a[o]=t();return fa.makeTensor(a,e,n)}}),Eu={exports:{}};!function(e){!function(e,t,n){function r(e){var t,n=this,r=(t=4022871197,function(e){e=String(e);for(var n=0;n<e.length;n++){var r=.02519603282416938*(t+=e.charCodeAt(n));r-=t=r>>>0,t=(r*=t)>>>0,t+=4294967296*(r-=t)}return 2.3283064365386963e-10*(t>>>0)});n.next=function(){var e=2091639*n.s0+2.3283064365386963e-10*n.c;return n.s0=n.s1,n.s1=n.s2,n.s2=e-(n.c=0|e)},n.c=1,n.s0=r(" "),n.s1=r(" "),n.s2=r(" "),n.s0-=r(e),n.s0<0&&(n.s0+=1),n.s1-=r(e),n.s1<0&&(n.s1+=1),n.s2-=r(e),n.s2<0&&(n.s2+=1),r=null}function a(e,t){return t.c=e.c,t.s0=e.s0,t.s1=e.s1,t.s2=e.s2,t}function o(e,t){var n=new r(e),o=t&&t.state,i=n.next;return i.int32=function(){return 4294967296*n.next()|0},i.double=function(){return i()+11102230246251565e-32*(2097152*i()|0)},i.quick=i,o&&("object"==typeof o&&a(o,n),i.state=function(){return a(n,{})}),i}t&&t.exports?t.exports=o:n&&n.amd?n((function(){return o})):this.alea=o}(0,e,!1)}(Eu);var Su=Eu.exports,Au={exports:{}};!function(e){!function(e,t,n){function r(e){var t=this,n="";t.x=0,t.y=0,t.z=0,t.w=0,t.next=function(){var e=t.x^t.x<<11;return t.x=t.y,t.y=t.z,t.z=t.w,t.w^=t.w>>>19^e^e>>>8},e===(0|e)?t.x=e:n+=e;for(var r=0;r<n.length+64;r++)t.x^=0|n.charCodeAt(r),t.next()}function a(e,t){return t.x=e.x,t.y=e.y,t.z=e.z,t.w=e.w,t}function o(e,t){var n=new r(e),o=t&&t.state,i=function(){return(n.next()>>>0)/4294967296};return i.double=function(){do{var e=((n.next()>>>11)+(n.next()>>>0)/4294967296)/(1<<21)}while(0===e);return e},i.int32=n.next,i.quick=i,o&&("object"==typeof o&&a(o,n),i.state=function(){return a(n,{})}),i}t&&t.exports?t.exports=o:n&&n.amd?n((function(){return o})):this.xor128=o}(0,e,!1)}(Au);var _u=Au.exports,Iu={exports:{}};!function(e){!function(e,t,n){function r(e){var t=this,n="";t.next=function(){var e=t.x^t.x>>>2;return t.x=t.y,t.y=t.z,t.z=t.w,t.w=t.v,(t.d=t.d+362437|0)+(t.v=t.v^t.v<<4^e^e<<1)|0},t.x=0,t.y=0,t.z=0,t.w=0,t.v=0,e===(0|e)?t.x=e:n+=e;for(var r=0;r<n.length+64;r++)t.x^=0|n.charCodeAt(r),r==n.length&&(t.d=t.x<<10^t.x>>>4),t.next()}function a(e,t){return t.x=e.x,t.y=e.y,t.z=e.z,t.w=e.w,t.v=e.v,t.d=e.d,t}function o(e,t){var n=new r(e),o=t&&t.state,i=function(){return(n.next()>>>0)/4294967296};return i.double=function(){do{var e=((n.next()>>>11)+(n.next()>>>0)/4294967296)/(1<<21)}while(0===e);return e},i.int32=n.next,i.quick=i,o&&("object"==typeof o&&a(o,n),i.state=function(){return a(n,{})}),i}t&&t.exports?t.exports=o:n&&n.amd?n((function(){return o})):this.xorwow=o}(0,e,!1)}(Iu);var Nu=Iu.exports,Mu={exports:{}};!function(e){!function(e,t,n){function r(e){var t=this;t.next=function(){var e,n,r=t.x,a=t.i;return e=r[a],n=(e^=e>>>7)^e<<24,n^=(e=r[a+1&7])^e>>>10,n^=(e=r[a+3&7])^e>>>3,n^=(e=r[a+4&7])^e<<7,e=r[a+7&7],n^=(e^=e<<13)^e<<9,r[a]=n,t.i=a+1&7,n},function(e,t){var n,r=[];if(t===(0|t))r[0]=t;else for(t=""+t,n=0;n<t.length;++n)r[7&n]=r[7&n]<<15^t.charCodeAt(n)+r[n+1&7]<<13;for(;r.length<8;)r.push(0);for(n=0;n<8&&0===r[n];++n);for(8==n?r[7]=-1:r[n],e.x=r,e.i=0,n=256;n>0;--n)e.next()}(t,e)}function a(e,t){return t.x=e.x.slice(),t.i=e.i,t}function o(e,t){null==e&&(e=+new Date);var n=new r(e),o=t&&t.state,i=function(){return(n.next()>>>0)/4294967296};return i.double=function(){do{var e=((n.next()>>>11)+(n.next()>>>0)/4294967296)/(1<<21)}while(0===e);return e},i.int32=n.next,i.quick=i,o&&(o.x&&a(o,n),i.state=function(){return a(n,{})}),i}t&&t.exports?t.exports=o:n&&n.amd?n((function(){return o})):this.xorshift7=o}(0,e,!1)}(Mu);var Tu=Mu.exports,Du={exports:{}};!function(e){!function(e,t,n){function r(e){var t=this;t.next=function(){var e,n,r=t.w,a=t.X,o=t.i;return t.w=r=r+1640531527|0,n=a[o+34&127],e=a[o=o+1&127],n^=n<<13,e^=e<<17,n^=n>>>15,e^=e>>>12,n=a[o]=n^e,t.i=o,n+(r^r>>>16)|0},function(e,t){var n,r,a,o,i,s=[],u=128;for(t===(0|t)?(r=t,t=null):(t+="\0",r=0,u=Math.max(u,t.length)),a=0,o=-32;o<u;++o)t&&(r^=t.charCodeAt((o+32)%t.length)),0===o&&(i=r),r^=r<<10,r^=r>>>15,r^=r<<4,r^=r>>>13,o>=0&&(i=i+1640531527|0,a=0==(n=s[127&o]^=r+i)?a+1:0);for(a>=128&&(s[127&(t&&t.length||0)]=-1),a=127,o=512;o>0;--o)r=s[a+34&127],n=s[a=a+1&127],r^=r<<13,n^=n<<17,r^=r>>>15,n^=n>>>12,s[a]=r^n;e.w=i,e.X=s,e.i=a}(t,e)}function a(e,t){return t.i=e.i,t.w=e.w,t.X=e.X.slice(),t}function o(e,t){null==e&&(e=+new Date);var n=new r(e),o=t&&t.state,i=function(){return(n.next()>>>0)/4294967296};return i.double=function(){do{var e=((n.next()>>>11)+(n.next()>>>0)/4294967296)/(1<<21)}while(0===e);return e},i.int32=n.next,i.quick=i,o&&(o.X&&a(o,n),i.state=function(){return a(n,{})}),i}t&&t.exports?t.exports=o:n&&n.amd?n((function(){return o})):this.xor4096=o}(0,e,!1)}(Du);var Ru=Du.exports,Bu={exports:{}};!function(e){!function(e,t,n){function r(e){var t=this,n="";t.next=function(){var e=t.b,n=t.c,r=t.d,a=t.a;return e=e<<25^e>>>7^n,n=n-r|0,r=r<<24^r>>>8^a,a=a-e|0,t.b=e=e<<20^e>>>12^n,t.c=n=n-r|0,t.d=r<<16^n>>>16^a,t.a=a-e|0},t.a=0,t.b=0,t.c=-1640531527,t.d=1367130551,e===Math.floor(e)?(t.a=e/4294967296|0,t.b=0|e):n+=e;for(var r=0;r<n.length+20;r++)t.b^=0|n.charCodeAt(r),t.next()}function a(e,t){return t.a=e.a,t.b=e.b,t.c=e.c,t.d=e.d,t}function o(e,t){var n=new r(e),o=t&&t.state,i=function(){return(n.next()>>>0)/4294967296};return i.double=function(){do{var e=((n.next()>>>11)+(n.next()>>>0)/4294967296)/(1<<21)}while(0===e);return e},i.int32=n.next,i.quick=i,o&&("object"==typeof o&&a(o,n),i.state=function(){return a(n,{})}),i}t&&t.exports?t.exports=o:n&&n.amd?n((function(){return o})):this.tychei=o}(0,e,!1)}(Bu);var Fu=Bu.exports,Cu={exports:{}};!function(e){!function(t,n,r){var a,o=256,i=r.pow(o,6),s=r.pow(2,52),u=2*s,c=255;function l(e,c,l){var v=[],m=p(d((c=1==c?{entropy:!0}:c||{}).entropy?[e,g(n)]:null==e?function(){try{var e;return a&&(e=a.randomBytes)?e=e(o):(e=new Uint8Array(o),(t.crypto||t.msCrypto).getRandomValues(e)),g(e)}catch(e){var r=t.navigator,i=r&&r.plugins;return[+new Date,t,i,t.screen,g(n)]}}():e,3),v),y=new h(v),b=function(){for(var e=y.g(6),t=i,n=0;e<s;)e=(e+n)*o,t*=o,n=y.g(1);for(;e>=u;)e/=2,t/=2,n>>>=1;return(e+n)/t};return b.int32=function(){return 0|y.g(4)},b.quick=function(){return y.g(4)/4294967296},b.double=b,p(g(y.S),n),(c.pass||l||function(e,t,n,a){return a&&(a.S&&f(a,y),e.state=function(){return f(y,{})}),n?(r.random=e,t):e})(b,m,"global"in c?c.global:this==r,c.state)}function h(e){var t,n=e.length,r=this,a=0,i=r.i=r.j=0,s=r.S=[];for(n||(e=[n++]);a<o;)s[a]=a++;for(a=0;a<o;a++)s[a]=s[i=c&i+e[a%n]+(t=s[a])],s[i]=t;(r.g=function(e){for(var t,n=0,a=r.i,i=r.j,s=r.S;e--;)t=s[a=c&a+1],n=n*o+s[c&(s[a]=s[i=c&i+t])+(s[i]=t)];return r.i=a,r.j=i,n})(o)}function f(e,t){return t.i=e.i,t.j=e.j,t.S=e.S.slice(),t}function d(e,t){var n,r=[],a=typeof e;if(t&&"object"==a)for(n in e)try{r.push(d(e[n],t-1))}catch(e){}return r.length?r:"string"==a?e:e+"\0"}function p(e,t){for(var n,r=e+"",a=0;a<r.length;)t[c&a]=c&(n^=19*t[c&a])+r.charCodeAt(a++);return g(t)}function g(e){return String.fromCharCode.apply(0,e)}if(p(r.random(),n),e.exports){e.exports=l;try{a=require("crypto")}catch(e){}}else r.seedrandom=l}("undefined"!=typeof self?self:Gn,[],Math)}(Cu);var Pu=Su,Ou=_u,Lu=Nu,zu=Tu,Uu=Ru,Wu=Fu,Gu=Cu.exports;Gu.alea=Pu,Gu.xor128=Ou,Gu.xorwow=Lu,Gu.xorshift7=zu,Gu.xor4096=Uu,Gu.tychei=Wu;var Ku=Gu;function qu(){return 32===fa.backend.floatPrecision()?.001:.1}function Vu(e,t,n){var r=!0;if((Rr(e)||Rr(t))&&(r=!1),Rr(e)&&Rr(t)&&(r=!0),r){var a=e.constructor.name,o=t.constructor.name;if(a!==o)throw new Error("Arrays are of different type. Actual: ".concat(a,". ")+"Expected: ".concat(o))}if(Array.isArray(e)&&Array.isArray(t)){var i=ma(e),s=ma(t);if(!w(i,s))throw new Error("Arrays have different shapes. "+"Actual: [".concat(i,"]. Expected: [").concat(s,"]"))}var u=Rr(e)?e:Br(e),c=Rr(t)?t:Br(t);if(u.length!==c.length)throw new Error("Arrays have different lengths actual: ".concat(u.length," vs ")+"expected: ".concat(c.length,".\n")+"Actual:   ".concat(u,".\n")+"Expected: ".concat(c,"."));for(var l=0;l<c.length;++l){var h=u[l],f=c[l];if(!n(h,f))throw new Error("Arrays differ: actual[".concat(l,"] = ").concat(h,", expected[").concat(l,"] = ").concat(f,".\n")+"Actual:   ".concat(u,".\n")+"Expected: ".concat(c,"."))}"undefined"!=typeof expect&&expect().nothing()}function Hu(e,t,n){return!isFinite(e)&&!isFinite(t)||!(isNaN(e)||isNaN(t)||Math.abs(e-t)>n)}var ju={__proto__:null,TEST_EPSILON_FLOAT16:.1,createVideoElement:function(e){var t=document.createElement("video");return"playsInline"in t&&(t.playsInline=!0),t.muted=!0,t.loop=!0,t.style.position="fixed",t.style.left="0px",t.style.top="0px",t.preload="auto",t.appendChild(e),new Promise((function(e){t.addEventListener("loadeddata",(function(n){return e(t)})),t.load()}))},encodeStrings:function e(t){for(var n=0;n<t.length;n++){var r=t[n];Array.isArray(r)?e(r):t[n]=Tr(r)}return t},expectArrayBuffersEqual:function(e,t){var n=new Float32Array(e),r=new Float32Array(t);if(n.length!==r.length)throw new Error("Expected ArrayBuffer to be of length "+"".concat(r.length,", but it was ").concat(n.length));for(var a=0;a<r.length;a++)if(n[a]!==r[a])throw new Error("Expected ArrayBuffer value at ".concat(a," to be ")+"".concat(r[a]," but got ").concat(n[a]," instead"))},expectArraysClose:function(e,t,n){return null==n&&(n=qu()),Vu(e,t,(function(e,t){return Hu(e,t,n)}))},expectArraysEqual:function(e,t){var n="string"==typeof t||"number"==typeof t||"boolean"==typeof t?[t]:t;return D(e)||D(e[0])||D(t)||D(t[0])?Vu(e,n,(function(e,t){return e==t})):Vu(e,t,(function(e,t){return Hu(e,t,0)}))},expectNumbersClose:function(e,t,n){if(null==n&&(n=qu()),!Hu(e,t,n))throw new Error("Numbers differ: actual === ".concat(e,", expected === ").concat(t));"undefined"!=typeof expect&&expect().nothing()},expectPromiseToFail:function(e,t){e().then((function(){return t.fail()}),(function(){return t()})),"undefined"!=typeof expect&&expect().nothing()},expectValuesInRange:function(e,t,n){for(var r=0;r<e.length;r++)if(e[r]<t||e[r]>n)throw new Error("Value out of range:".concat(e[r]," low: ").concat(t,", high: ").concat(n))},play:function(e){return a(this,void 0,void 0,(function(){return o(this,(function(t){switch(t.label){case 0:return[4,e.play()];case 1:return t.sent(),"requestVideoFrameCallback"in e?[4,new Promise((function(t){e.requestVideoFrameCallback(t)}))]:[3,3];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},testEpsilon:qu},Zu=function(){function e(e,t,n,r,a){this.mean=e,this.stdDev=t,this.dtype=n,this.nextVal=NaN,this.truncated=r,this.truncated&&(this.upper=this.mean+2*this.stdDev,this.lower=this.mean-2*this.stdDev);var o=a||Math.random();this.random=Ku.alea(o.toString())}return e.prototype.nextValue=function(){if(!isNaN(this.nextVal)){var e=this.nextVal;return this.nextVal=NaN,e}for(var t,n,r=!1;!r;){var a=void 0,o=void 0,i=void 0;do{i=(a=2*this.random()-1)*a+(o=2*this.random()-1)*o}while(i>=1||0===i);var s=Math.sqrt(-2*Math.log(i)/i);t=this.mean+this.stdDev*a*s,n=this.mean+this.stdDev*o*s,this.truncated&&!this.isValidTruncated(t)||(r=!0)}return this.truncated&&!this.isValidTruncated(n)||(this.nextVal=this.convertValue(n)),this.convertValue(t)},e.prototype.convertValue=function(e){return null==this.dtype||"float32"===this.dtype?e:Math.round(e)},e.prototype.isValidTruncated=function(e){return e<=this.upper&&e>=this.lower},e}(),Ju=function(){function e(e,t,n,r){this.alpha=e,this.beta=1/t,this.dtype=n;var a=r||Math.random();this.randu=Ku.alea(a.toString()),this.randn=new Zu(0,1,n,!1,this.randu()),this.d=e<1?e+2/3:e-1/3,this.c=1/Math.sqrt(9*this.d)}return e.prototype.nextValue=function(){for(var e,t,n,r,a,o;;){do{r=this.randn.nextValue(),o=1+this.c*r}while(o<=0);if(o*=o*o,t=1-.331*(e=r*r)*e,n=.5*e+this.d*(1-o+Math.log(o)),(a=this.randu())<t||Math.log(a)<n)break}return o=1/this.beta*this.d*o,this.alpha<1&&(o*=Math.pow(this.randu(),1/this.alpha)),this.convertValue(o)},e.prototype.convertValue=function(e){return"float32"===this.dtype?e:Math.round(e)},e}(),Yu=function(){function e(e,t,n,r){void 0===e&&(e=0),void 0===t&&(t=1);var a=this;if(this.canReturnFloat=function(){return null==a.dtype||"float32"===a.dtype},this.min=e,this.range=t-e,this.dtype=n,null==r&&(r=Math.random()),"number"==typeof r&&(r=r.toString()),!this.canReturnFloat()&&this.range<=1)throw new Error("The difference between ".concat(e," - ").concat(t," <= 1 and dtype is not float"));this.random=Ku.alea(r)}return e.prototype.convertValue=function(e){return this.canReturnFloat()?e:Math.round(e)},e.prototype.nextValue=function(){return this.convertValue(this.min+this.range*this.random())},e}();var Xu=Ea({randomGamma_:function(e,t,n,r,a){if(void 0===n&&(n=1),void 0===r&&(r="float32"),G(e),null==n&&(n=1),null==r&&(r="float32"),"float32"!==r&&"int32"!==r)throw new Error("Unsupported data type ".concat(r));for(var o=new Ju(t,n,r,a),i=mo(e,r),s=0;s<i.values.length;s++)i.values[s]=o.nextValue();return i.toTensor()}});var Qu=Ea({randomNormal_:function(e,t,n,r,a){if(void 0===t&&(t=0),void 0===n&&(n=1),G(e),null!=r&&"bool"===r)throw new Error("Unsupported data type ".concat(r));for(var o=new Zu(t,n,r,!1,a),i=mo(e,r),s=0;s<i.values.length;s++)i.values[s]=o.nextValue();return i.toTensor()}});var $u=Ea({randomStandardNormal_:function(e,t,n){if(null!=t&&"bool"===t)throw new Error("Unsupported data type ".concat(t));return Qu(e,0,1,t,n)}});var ec=Ea({randomUniform_:function(e,t,n,r,a){void 0===t&&(t=0),void 0===n&&(n=1),void 0===r&&(r="float32"),G(e);for(var o=mo(e,r),i=new Yu(t,n,null,a),s=0;s<o.values.length;s++)o.values[s]=i.nextValue();return o.toTensor()}});var tc=Ea({randomUniformInt_:function(e,t,n,r){return ec(e,t,n,"int32",r)}});function nc(e,t,n,r){if(void 0===n&&(n=1),void 0===r&&(r="float32"),0===n)throw new Error("Cannot have a step of zero");var a={start:e,stop:t,step:n,dtype:r};return fa.runKernel(Ct,{},a)}var rc=Ea({real_:function(e){var t={input:wa(e,"input","real")};return fa.runKernel(Pt,t)}});var ac=Ea({reciprocal_:function(e){var t={x:wa(e,"x","reciprocal")};return fa.runKernel(Ot,t)}});var oc=Ea({relu_:function(e){var t={x:wa(e,"x","relu")};return fa.runKernel(Lt,t)}});var ic=Ea({relu6_:function(e){var t={x:wa(e,"x","relu6")};return fa.runKernel(Gt,t)}});var sc=Ea({reverse_:function(e,t){var n={x:wa(e,"x","reverse")},r={dims:t};return fa.runKernel(Kt,n,r)}});var uc=Ea({reverse1d_:function(e){var t=wa(e,"x","reverse");return g(1===t.rank,(function(){return"Error in reverse1D: x must be rank 1 but got rank ".concat(t.rank,".")})),sc(t,0)}});var cc=Ea({reverse2d_:function(e,t){var n=wa(e,"x","reverse");return g(2===n.rank,(function(){return"Error in reverse2D: x must be rank 2 but got rank ".concat(n.rank,".")})),sc(n,t)}});var lc=Ea({reverse3d_:function(e,t){var n=wa(e,"x","reverse");return g(3===n.rank,(function(){return"Error in reverse3D: x must be rank 3 but got rank ".concat(n.rank,".")})),sc(n,t)}});var hc=Ea({reverse4d_:function(e,t){var n=wa(e,"x","reverse");return g(4===n.rank,(function(){return"Error in reverse4D: x must be rank 4 but got rank ".concat(n.rank,".")})),sc(n,t)}});var fc=Ea({round_:function(e){var t={x:wa(e,"x","round")};return fa.runKernel(qt,t)}});var dc=Ea({rsqrt_:function(e){var t={x:wa(e,"x","rsqrt","float32")};return fa.runKernel(Vt,t)}});var pc=Ea({selu_:function(e){var t={x:wa(e,"x","selu")};return fa.runKernel(Yt,t)}});var gc=Ea({separableConv2d_:function(e,t,n,r,a,o,i){void 0===o&&(o=[1,1]),void 0===i&&(i="NHWC");var s=wa(e,"x","separableConv2d"),u=wa(t,"depthwiseFilter","separableConv2d"),c=wa(n,"pointwiseFilter","separableConv2d"),l=s,h=!1;if(3===s.rank&&(h=!0,l=ei(s,[1,s.shape[0],s.shape[1],s.shape[2]])),"NCHW"===i)throw new Error("separableConv2d currently does not support dataFormat NCHW; only NHWC is supported");g(4===l.rank,(function(){return"Error in separableConv2d: input must be rank 4, but got "+"rank ".concat(l.rank,".")})),g(4===u.rank,(function(){return"Error in separableConv2d: depthwise filter must be rank 4, but "+"got rank ".concat(u.rank,".")})),g(4===c.rank,(function(){return"Error in separableConv2d: pointwise filter must be rank 4, but "+"got rank ".concat(u.rank,".")})),g(1===c.shape[0],(function(){return"Error in separableConv2d: the first dimension of pointwise filter "+" must be 1, but got ".concat(c.shape[0],".")})),g(1===c.shape[1],(function(){return"Error in separableConv2d: the second dimension of pointwise "+"filter must be 1, but got ".concat(c.shape[1],".")}));var f=u.shape[2],d=u.shape[3];g(c.shape[2]===f*d,(function(){return"Error in separableConv2d: the third dimension of pointwise filter "+"must be ".concat(f*d,", ")+"but got ".concat(c.shape[2],".")}));var p=Li(l,u,r,a,i,o),v=Ai(p,c,1,"valid",i);return h?ei(v,[v.shape[1],v.shape[2],v.shape[3]]):v}});var vc=function(e,t){return a(this,void 0,void 0,(function(){var n,r,a,i,s,u,c,l,h,f;return o(this,(function(o){switch(o.label){case 0:return n=wa(e,"x","setdiff1d"),r=wa(t,"y","setdiff1d"),g(n.dtype===r.dtype,(function(){return"x and y should have the same dtype, but got x (".concat(n.dtype,") and y (").concat(r.dtype,").")})),g(1===n.rank,(function(){return"x should be 1D tensor, but got x (".concat(n.shape,").")})),g(1===r.rank,(function(){return"y should be 1D tensor, but got y (".concat(r.shape,").")})),[4,n.data()];case 1:return a=o.sent(),[4,r.data()];case 2:for(i=o.sent(),s=new Set(i),u=0,h=0;h<a.length;h++)s.has(a[h])||u++;for(c=new Gr([u],n.dtype),l=new Gr([u],"int32"),h=0,f=0;h<a.length;h++)s.has(a[h])||(c.values[f]=a[h],l.values[f]=h,f++);return[2,[c.toTensor(),l.toTensor()]]}}))}))};var mc=Ea({sign_:function(e){var t={x:wa(e,"x","sign")};return fa.runKernel($t,t)}});var yc=Ea({sin_:function(e){var t={x:wa(e,"x","sin","float32")};return fa.runKernel("Sin",t)}});var bc=Ea({sinh_:function(e){var t={x:wa(e,"x","sinh")};return fa.runKernel(Qt,t)}});var wc=Ea({slice1d_:function(e,t,n){var r=wa(e,"x","slice1d");return g(1===r.rank,(function(){return"slice1d expects a rank-1 tensor, but got a rank-".concat(r.rank," tensor")})),ii(r,[t],[n])}});var kc=Ea({slice2d_:function(e,t,n){var r=wa(e,"x","slice2d");return g(2===r.rank,(function(){return"slice2d expects a rank-2 tensor, but got a rank-".concat(r.rank," tensor")})),ii(r,t,n)}});var xc=Ea({slice3d_:function(e,t,n){var r=wa(e,"x","slice3d");return g(3===r.rank,(function(){return"slice3d expects a rank-3 tensor, but got a rank-".concat(r.rank," tensor")})),ii(r,t,n)}});var Ec=Ea({slice4d_:function(e,t,n){var r=wa(e,"x","slice4d");return g(4===r.rank,(function(){return"slice4d expects a rank-4 tensor, but got a rank-".concat(r.rank," tensor")})),ii(r,t,n)}});var Sc=Ea({softmax_:function(e,t){void 0===t&&(t=-1);var n=wa(e,"logits","softmax","float32");if(-1===t&&(t=n.rank-1),t!==n.rank-1)throw Error("Softmax along a non-last dimension is not yet supported. "+"Logits was rank ".concat(n.rank," and dim was ").concat(t));var r={logits:n},a={dim:t};return fa.runKernel(on,r,a)}});var Ac=Ea({fft_:function(e){g("complex64"===e.dtype,(function(){return"The dtype for tf.spectral.fft() must be complex64 "+"but got ".concat(e.dtype,".")}));var t={input:e};return fa.runKernel("FFT",t)}});var _c=Ea({ifft_:function(e){g("complex64"===e.dtype,(function(){return"The dtype for tf.spectral.ifft() must be complex64 "+"but got ".concat(e.dtype,".")}));var t={input:e};return fa.runKernel(et,t)}});var Ic=Ea({irfft_:function(e){var t,n=e.shape[e.shape.length-1],r=e.size/n;if(n<=2){var a=ei(e,[r,n]);t=_c(a)}else{var o=[r,2*(n-1)],i=ei(rc(e),[r,n]),s=ei(xs(e),[r,n]),u=sc(ii(i,[0,1],[r,n-2]),1),c=Io(sc(ii(s,[0,1],[r,n-2]),1),is(-1)),l=ri([i,u],1),h=ri([s,c],1);a=ei(Sa(l,h),[o[0],o[1]]);t=_c(a)}if(t=rc(t),3===e.rank&&0!==e.shape[0]){var f=t,d=e.shape[0];t=ei(t,[d,t.shape[0]/d,t.shape[1]]),f.dispose()}return t}});var Nc=Ea({split_:function(e,t,n){void 0===n&&(n=0);var r={x:wa(e,"x","split")},a={numOrSizeSplits:t,axis:n};return fa.runKernel(an,r,a)}});var Mc=Ea({rfft_:function(e,t){g("float32"===e.dtype,(function(){return"The dtype for rfft() must be real value but got ".concat(e.dtype)}));var n,r=e.shape[e.shape.length-1],a=e.size/r;if(null!=t&&t<r){var o=e.shape.map((function(e){return 0})),i=e.shape.map((function(e){return e}));i[e.shape.length-1]=t,n=ii(e,o,i),r=t}else if(null!=t&&t>r){var s=e.shape.map((function(e){return e}));s[e.shape.length-1]=t-r,n=ri([e,Qs(s)],e.shape.length-1),r=t}else n=e;var u=ji(n),c=ei(Sa(n,u),[a,r]),l=Ac(c),h=Math.floor(r/2)+1,f=rc(l),d=xs(l),p=Nc(f,[h,r-h],f.shape.length-1),v=Nc(d,[h,r-h],d.shape.length-1),m=n.shape.slice();return m[n.shape.length-1]=h,ei(Sa(p[0],v[0]),m)}});var Tc=Ea({squaredDifference_:function(e,t){var n,r=wa(e,"a","squaredDifference"),a=wa(t,"b","squaredDifference");r=(n=s(na(r,a),2))[0],a=n[1],Ki(r.shape,a.shape);var o={a:r,b:a};return fa.runKernel(fn,o,{})}});var Dc=Ea({squeeze_:function(e,t){var n=wa(e,"x","squeeze","string_or_numeric");return ei(n,S(n.shape,t).newShape)}});var Rc=Ea({stack_:function(e,t){void 0===t&&(t=0);var n=ka(e,"tensors","stack","string_or_numeric");g(n.length>=1,(function(){return"Pass at least one tensor to tf.stack"})),n.length>0&&g(t<=n[0].rank,(function(){return"Axis must be <= rank of the tensor"}));var r=n,a={axis:t};return fa.runKernel(Nt,r,a)}});var Bc=Ea({step_:function(e,t){void 0===t&&(t=0);var n={x:wa(e,"x","step")},r={alpha:t};return fa.runKernel(In,n,r)}});var Fc=Ea({stridedSlice_:function(e,t,n,r,a,o,i,s,u){void 0===a&&(a=0),void 0===o&&(o=0),void 0===i&&(i=0),void 0===s&&(s=0),void 0===u&&(u=0);var c={x:wa(e,"x","stridedSlice","string_or_numeric")},l={begin:t,end:n,strides:r,beginMask:a,endMask:o,ellipsisMask:i,newAxisMask:s,shrinkAxisMask:u};return fa.runKernel(pn,c,l)}});var Cc=Ea({tan_:function(e){var t={x:wa(e,"x","tan","float32")};return fa.runKernel("Tan",t)}});function Pc(e,t){m(e);var n=ma(e,t);if(1!==n.length)throw new Error("tensor1d() requires values to be a flat/TypedArray");return Aa(e,null,n,t)}function Oc(e,t,n){if(m(e),null!=t&&2!==t.length)throw new Error("tensor2d() requires shape to have two numbers");var r=ma(e,n);if(2!==r.length&&1!==r.length)throw new Error("tensor2d() requires values to be number[][] or flat/TypedArray");if(1===r.length&&null==t)throw new Error("tensor2d() requires shape to be provided when `values` are a flat/TypedArray");return Aa(e,t,r,n)}function Lc(e,t,n){if(m(e),null!=t&&3!==t.length)throw new Error("tensor3d() requires shape to have three numbers");var r=ma(e,n);if(3!==r.length&&1!==r.length)throw new Error("tensor3d() requires values to be number[][][] or flat/TypedArray");if(1===r.length&&null==t)throw new Error("tensor3d() requires shape to be provided when `values` are a flat array");return Aa(e,t,r,n)}function zc(e,t,n){var r=t.rank>1?t.shape[t.rank-1]:1,a=t.rank>1?t.rank-1:1,o="Must have updates.shape = indices.shape[:batchDim] + "+"shape[sliceDim:], got updates.shape: ".concat(n.shape)+", indices.shape: ".concat(t.shape,", shape: ").concat(e)+", sliceDim: ".concat(r,", and batchDim: ").concat(a,".");if(n.rank<a)throw new Error(o+" update.rank < ".concat(a,". "));if(e.length<r+(n.rank-a))throw new Error(o+" Output shape length < ".concat(r+(n.rank-a)));if(n.rank!==a+e.length-r)throw new Error(o+" update.rank != ".concat(a+e.length-r));for(var i=0;i<a;++i)if(n.shape[i]!==t.shape[i])throw new Error(o+" updates.shape[".concat(i,"] (").concat(n.shape[i],") != indices.shape[").concat(i,"] (").concat(t.shape[i],")."));for(i=0;i<n.rank-a;++i)if(n.shape[i+a]!==e[i+r])throw new Error(o+" updates.shape[".concat(i+a,"] (").concat(n.shape[i+a],") != shape[").concat(i+a,"] (").concat(e[i+a],")"))}function Uc(e,t,n){if(t.rank<1)throw new Error("tf.scatterND() expects the indices to be rank 1 or higher,"+" but the rank was ".concat(t.rank,"."));if(e.rank<1)throw new Error("tf.scatterND() expects the updates to be rank 1 or higher,"+" but the rank was ".concat(e.rank,"."));if("int32"!==t.dtype)throw new Error("The dtype of 'indices' should be int32, but got dtype: ".concat(t.dtype));if(n.length<1)throw new Error("Output rank must be greater or equal to 1, but got shape: ".concat(n));if(0===n.length){if(0===t.size)throw new Error("Indices specified for empty output. indices shape: ".concat(t.shape));if(0===e.size)throw new Error("Updates specified for empty output. updates shape: ".concat(e.shape))}zc(n,t,e)}function Wc(e,t,n){for(var r=t.shape.length,a=r>1?t.shape[r-1]:1,o=n.length,i=1,c=a;c<o;++c)i*=n[c];var l=a<1?1:a;return{sliceRank:a,numUpdates:y(t.shape)/l,sliceSize:i,strides:u(u([],s(O(n.slice(0,a))),!1),[1],!1),outputSize:y(n)}}var Gc={__proto__:null,calculateShapes:Wc,validateInput:Uc,validateUpdateShape:zc};var Kc=Ea({tensorScatterUpdate_:function(e,t,n){var r=wa(e,"tensor","tensorScatterupdate"),a=wa(t,"indices","tensorScatterupdate","int32"),o=wa(n,"updates","tensorScatterupdate");if(Uc(o,a,r.shape),r.dtype!==o.dtype)throw new Error("tensor and updates must have the same dtype, instead they are ".concat(r.dtype," and ").concat(o.dtype,"."));var i={tensor:r,indices:a,updates:o};return fa.runKernel(jt,i,{})}});var qc=Ea({topk_:function(e,t,n){void 0===t&&(t=1),void 0===n&&(n=!0);var r=wa(e,"x","topk");if(0===r.rank)throw new Error("topk() expects the input to be of rank 1 or higher");var a=r.shape[r.shape.length-1];if(t<0)throw new Error("'k' passed to topk() must be >= 0 but got ".concat(t));if(t>a)throw new Error("'k' passed to topk() must be <= the last dimension (".concat(a,") ")+"but got ".concat(t));var o={x:r},i={k:t,sorted:n},u=s(fa.runKernel(wn,o,i),2);return{values:u[0],indices:u[1]}}});var Vc=Ea({truncatedNormal_:function(e,t,n,r,a){if(void 0===t&&(t=0),void 0===n&&(n=1),G(e),null!=r&&"bool"===r)throw new Error("Unsupported data type $ { dtype }");for(var o=new Zu(t,n,r,!0,a),i=mo(e,r),s=0;s<i.values.length;s++)i.values[s]=o.nextValue();return i.toTensor()}});var Hc=Ea({unique_:function(e,t){void 0===t&&(t=0);var n=wa(e,"x","unique","string_or_numeric");g(n.rank>0,(function(){return"The input tensor must be at least 1D"}));var r={x:n},a={axis:t},o=s(fa.runKernel(En,r,a),2);return{values:o[0],indices:o[1]}}});var jc=Ea({unsortedSegmentSum_:function(e,t,n){var r=wa(e,"x","unsortedSegmentSum"),a=wa(t,"segmentIds","unsortedSegmentSum","int32");g(k(n),(function(){return"numSegments must be of dtype int"}));var o={x:r,segmentIds:a},i={numSegments:n};return fa.runKernel(An,o,i)}});var Zc=Ea({unstack_:function(e,t){void 0===t&&(t=0);var n=wa(e,"x","unstack","string_or_numeric");g(t>=-n.shape.length&&t<n.shape.length,(function(){return"Axis = ".concat(t," is not in [-").concat(n.shape.length,", ").concat(n.shape.length,")")}));var r={value:n},a={axis:t};return fa.runKernel(Sn,r,a)}});function Jc(e,t){for(var n=[],r=0;r<t.length;r++)t[r]&&n.push(r);var a=mo(e,"int32"),o=mo([n.length,e.length],"int32");for(r=0;r<n.length;r++){var i=a.indexToLoc(n[r]),s=r*e.length;o.values.set(i,s)}return o.toTensor()}var Yc=function(e){return a(this,void 0,void 0,(function(){var t,n,r;return o(this,(function(a){switch(a.label){case 0:return[4,(t=wa(e,"condition","whereAsync","bool")).data()];case 1:return n=a.sent(),r=Jc(t.shape,n),e!==t&&t.dispose(),[2,r]}}))}))};var Xc=function(e,t,n){return a(this,void 0,void 0,(function(){var r,a,i,s,u,c,l,h,f,d,p,m,y;return o(this,(function(o){switch(o.label){case 0:for(r=wa(e,"tensor","boolMask"),a=wa(t,"mask","boolMask","bool"),i=null==n?0:n,s=a.rank,u=r.shape,g(s>0,(function(){return"mask cannot be scalar"})),v(u.slice(i,i+s),a.shape,"mask's shape must match the first K dimensions of tensor's shape,"),c=1,l=i;l<i+s;l++)c*=u[l];return h=u.slice(0,i).concat([c],u.slice(i+s)),f=ei(r,h),d=ei(a,[-1]),[4,Yc(d)];case 1:return p=o.sent(),m=Dc(p,[1]),y=bs(f,m,i),e!==r&&r.dispose(),t!==a&&a.dispose(),m.dispose(),f.dispose(),d.dispose(),p.dispose(),[2,y]}}))}))};var Qc=Ea({transpose_:function(e,t,n){var r=wa(e,"x","transpose");if(null==t&&(t=r.shape.map((function(e,t){return t})).reverse()),g(r.rank===t.length,(function(){return"Error in transpose: rank of input ".concat(r.rank," ")+"must match length of perm ".concat(t,".")})),t.forEach((function(e){g(e>=0&&e<r.rank,(function(){return"All entries in 'perm' must be between 0 and ".concat(r.rank-1)+" but got ".concat(t)}))})),r.rank<=1)return r.clone();var a={x:r},o={perm:t};return"complex64"===r.dtype?ko((function(){var e=rc(r),t=xs(r);return e=fa.runKernel(xn,{x:e},o),t=fa.runKernel(xn,{x:t},o),n&&(t=Cs(t)),Sa(e,t)})):fa.runKernel(xn,a,o)}});var $c=Ea({movingAverage_:function(e,t,n,r,a){void 0===a&&(a=!0);var o=wa(e,"v","movingAverage"),i=wa(t,"x","movingAverage"),s=wa(n,"decay","movingAverage");ra(o,i),g(w(o.shape,i.shape),(function(){return"Shape mismatch in v and x"}));var u=is(1),c=Ls(u,s),l=Io(Ls(i,o),c);if(a){g(null!=r,(function(){return"When using zeroDebias: true, step is required."}));var h=wa(r,"step","movingAverage");l=_o(l,Ls(u,os(s,h)))}return So(o,l)}});var el=Ea({scatterND_:function(e,t,n){G(n);var r=wa(e,"indices","scatterND","int32"),a=wa(t,"updates","scatterND");Uc(a,r,n);var o={indices:r,updates:a},i={shape:n};return fa.runKernel(Ht,o,i)}});var tl=Ea({sparseToDense_:function(e,t,n,r){void 0===r&&(r=0),G(n);var a=wa(e,"sparseIndices","sparseToDense","int32"),o=wa(t,"sparseValues","sparseToDense","string_or_numeric"),i=wa(r,"defaultValue","sparseToDense",o.dtype);!function(e,t,n,r){if("int32"!==e.dtype)throw new Error("tf.sparseToDense() expects the indices to be int32 type,"+" but the dtype was ".concat(e.dtype,"."));if(e.rank>2)throw new Error("sparseIndices should be a scalar, vector, or matrix,"+" but got shape ".concat(e.shape,"."));var a=e.rank>0?e.shape[0]:1,o=e.rank>1?e.shape[1]:1;if(n.length!==o)throw new Error("outputShape has incorrect number of elements:,"+" ".concat(n.length,", should be: ").concat(o,"."));var i=t.size;if(0!==t.rank&&(1!==t.rank||i!==a))throw new Error("sparseValues has incorrect shape "+"".concat(t.shape,", should be [] or [").concat(a,"]"));if(t.dtype!==r.dtype)throw new Error("sparseValues.dtype must match defaultValues.dtype")}(a,o,n,i);var s={sparseIndices:a,sparseValues:o,defaultValue:i},u={outputShape:n};return fa.runKernel(hn,s,u)}});var nl=Ea({gatherND_:function(e,t){var n=wa(t,"indices","gatherND","int32"),r={params:wa(e,"x","gatherND","string_or_numeric"),indices:n};return fa.runKernel(Ye,r)}});var rl=Ea({dropout_:function(e,t,n,r){var a=wa(e,"x","dropout");if(g("float32"===a.dtype,(function(){return"x has to be a floating point tensor since it's going to be "+"scaled, but got a ".concat(a.dtype," tensor instead.")})),g(t>=0&&t<1,(function(){return"rate must be a float in the range [0, 1), but got ".concat(t,".")})),0===t)return e instanceof Vr?a.clone():a;var o=function(e,t){if(null==t)return e.shape.slice();if(w(e.shape,t))return t;if(e.shape.length===t.length){for(var n=[],r=0;r<e.shape.length;r++)null==t[r]&&null!=e.shape[r]?n.push(e.shape[r]):n.push(t[r]);return n}return t}(a,n),i=1-t,s=_o(ys(So(ec(o,0,1,"float32",r),i)),i);return Io(a,s)}});function al(e){return Math.floor(Math.pow(2,Math.ceil(Math.log(e)/Math.log(2))))}function ol(e,t,n){for(var r=1-e%2,a=new Float32Array(e),o=0;o<e;++o){var i=2*Math.PI*o/(e+r-1);a[o]=t-n*Math.cos(i)}return Pc(a,"float32")}var il=function(e,t,n){return void 0===n&&(n=1),a(this,void 0,void 0,(function(){var r,a,i,u,c,l,h,f,d,p,m,y,b,w;return o(this,(function(o){switch(o.label){case 0:return r=wa(e,"predictions","inTopK"),a=wa(t,"targets","inTopK"),g(r.rank>1,(function(){return"inTopK() expects the predictions to be of rank 2 or higher, "+"but got ".concat(r.rank)})),g(r.rank-1===a.rank,(function(){return"predictions rank should be 1 larger than targets rank, but got predictions rank "+"".concat(r.rank," and targets rank ").concat(a.rank)})),v(r.shape.slice(0,r.shape.length-1),a.shape,"predictions's shape should be align with the targets' shape, except the last dimension."),i=r.shape[r.shape.length-1],g(n>0&&n<=i,(function(){return"'k' passed to inTopK() must be > 0 && <= the predictions last "+"dimension (".concat(i,"), but got ").concat(n)})),[4,r.data()];case 1:return u=o.sent(),[4,a.data()];case 2:for(c=o.sent(),l=s([u.length/i,i],2),h=l[0],f=l[1],d=A("bool",h),p=0;p<h;p++){for(m=p*f,y=u.subarray(m,m+f),b=[],w=0;w<y.length;w++)b.push({value:y[w],index:w});for(b.sort((function(e,t){return t.value-e.value})),d[p]=0,w=0;w<n;w++)if(b[w].index===c[p]){d[p]=1;break}}return e!==r&&r.dispose(),t!==a&&a.dispose(),[2,_a(d,a.shape,"bool")]}}))}))};var sl=Ea({conv2DBackpropFilter_:function(e,t,n,r,a,o,i){void 0===o&&(o="NHWC");var s=e;3===e.rank&&(s=ei(e,[1,e.shape[0],e.shape[1],e.shape[2]]));var u=t;3===u.rank&&(u=ei(t,[1,t.shape[0],t.shape[1],t.shape[2]])),g(4===s.rank,(function(){return"Error in conv2dDerFilter: input must be rank 4, but got shape "+"".concat(s.shape,".")})),g(4===u.rank,(function(){return"Error in conv2dDerFilter: dy must be rank 4, but got shape "+"".concat(u.shape,".")})),g(4===n.length,(function(){return"Error in conv2dDerFilter: filterShape must be length 4, but got "+"".concat(n,".")}));var c="NHWC"===o?s.shape[3]:s.shape[1],l="NHWC"===o?u.shape[3]:u.shape[1];g(c===n[2],(function(){return"Error in conv2dDerFilter: depth of input ".concat(c,") must ")+"match input depth in filter (".concat(n[2],".")})),g(l===n[3],(function(){return"Error in conv2dDerFilter: depth of dy (".concat(l,") must ")+"match output depth for filter (".concat(n[3],").")})),$o("conv2dDerFilter",a,i);var h={x:s,dy:u},f={strides:r,pad:a,dataFormat:o,dimRoundingMode:i,filterShape:n};return fa.runKernel(Ee,h,f)}});function ul(e,t,n){if(null==n||"linear"===n)return e;if("relu"===n)return Io(e,Bc(t));throw new Error("Cannot compute gradient for fused activation ".concat(n,"."))}function cl(e,t){var n=t,r=Gi(e.shape,t.shape);return r.length>0&&(n=cs(n,r)),ei(n,e.shape)}function ll(e,t,n,r){if("linear"===t)return e;if("relu"===t)return oc(e);if("elu"===t)return Xi(e);if("relu6"===t)return ic(e);if("prelu"===t)return mu(e,n);if("leakyrelu"===t)return _s(e,r);if("sigmoid"===t)return oi(e);throw new Error("Unknown fused activation ".concat(t,"."))}var hl=function(e,t){return!(e>0)||"linear"===t};var fl=Ea({fusedConv2d_:function(e){var t,n=e.x,r=e.filter,a=e.strides,o=e.pad,i=e.dataFormat,u=void 0===i?"NHWC":i,c=e.dilations,l=void 0===c?[1,1]:c,h=e.dimRoundingMode,f=e.bias,d=e.activation,p=void 0===d?"linear":d,v=e.preluActivationWeights,m=e.leakyreluAlpha;if(p=p||"linear",!1===hl(fa.state.gradientDepth,p)){g("NHWC"===u,(function(){return"Error in fused conv2d: got dataFormat of ".concat(u," but ")+"only NHWC is currently supported for the case of gradient depth is 0 and the activation is not linear."}));var y=Ai(n,r,a,o,u,l,h);return null!=f&&(y=So(y,f)),ll(y,p,v,m)}var b=wa(n,"x","conv2d","float32"),w=wa(r,"filter","conv2d","float32"),k=b,x=!1;3===b.rank&&(x=!0,k=ei(b,[1,b.shape[0],b.shape[1],b.shape[2]])),g(4===k.rank,(function(){return"Error in fused conv2d: input must be rank 4, but got rank "+"".concat(k.rank,".")})),g(4===w.rank,(function(){return"Error in fused conv2d: filter must be rank 4, but got rank "+"".concat(w.rank,".")})),$o("fused conv2d",o,h);var E="NHWC"===u?k.shape[3]:k.shape[1];g(w.shape[2]===E,(function(){return"Error in conv2d: depth of input (".concat(E,") must match ")+"input depth for filter ".concat(w.shape[2],".")})),g(Yo(a,l),(function(){return"Error in conv2D: Either strides or dilations must be 1. "+"Got strides ".concat(a," and dilations '").concat(l,"'")}));var S,A,_=Go(k.shape,w.shape,a,l,o,h);if(null!=f&&(t=s(na(S=wa(f,"bias","fused conv2d"),b),1),S=t[0],"NHWC"===u?Ki(_.outShape,S.shape):(g(S.shape.length<=1,(function(){return"Error in fused conv2d: only supports scalar or 1-D Tensor bias for NCHW format but got the bias of "+"rank-".concat(S.shape.length,".")})),g(0===S.shape.length||S.shape[0]===_.outChannels||1===S.shape[0],(function(){return"Error in fused conv2d: bias shape (".concat(S.shape,") is not ")+"compatible with the number of output channels "+"(".concat(_.outChannels,")")})))),null!=v){var I=v.shape;if(g(I.length<=1||3===I.length,(function(){return"Error in fused conv2d: only supports scalar, 1-D Tensor or 3-D Tensor PReLU activation weights but got a tensor of "+"rank-".concat(I.length,".")})),1===I.length)g(1===I[0]||I[0]===_.outChannels,(function(){return"Error in fused conv2d: PReLU activation weights "+"(".concat(I,") is not compatible with the number of output ")+"channels (".concat(_.outChannels,").")}));else if(3===I.length)try{Ki(I,_.outShape)}catch(e){var N="Error in fused conv2d: PReLU activation weights (".concat(I,") ")+"is not compatible with the output shape of the conv2d "+"(".concat(_.outShape,").");throw Error(N)}A=wa(v,"prelu weights","fused conv2d")}var M=function(e,t){g("NHWC"===u,(function(){return"Error in gradient of fused conv2D: got dataFormat of ".concat(u," but only NHWC is currently supported.")}));var n=s(t,4),r=n[0],i=n[1],c=n[2],h=n[3],f=ul(e,c,p);g(Jo(l),(function(){return"Error in gradient of fused conv2D: dilation rates greater than 1 "+"are not yet supported in gradients. Got dilations '".concat(l,"'")}));var d=[Ii(i.shape,f,r,a,o),sl(i,f,r.shape,a,o)];if(null!=h){var v=cl(h,f);d.push(v)}return d},T={x:k,filter:w,bias:S,preluActivationWeights:A},D={strides:a,pad:o,dataFormat:u,dilations:l,dimRoundingMode:h,activation:p,leakyreluAlpha:m};if(null==f){var R=Bs((function(e,t,n){var r=fa.runKernel(Dn,T,D);return n([t,e,r]),x&&(r=ei(r,[r.shape[1],r.shape[2],r.shape[3]])),{value:r,gradFunc:M}}));return R(k,w)}var B=Bs((function(e,t,n,r){var a=fa.runKernel(Dn,T,D);return r([t,e,a,n]),x&&(a=ei(a,[a.shape[1],a.shape[2],a.shape[3]])),{value:a,gradFunc:M}}));return B(k,w,S)}});var dl=Ea({depthwiseConv2dNativeBackpropFilter_:function(e,t,n,r,a,o,i){void 0===o&&(o=[1,1]);var s=e;3===e.rank&&(s=ei(e,[1,e.shape[0],e.shape[1],e.shape[2]]));var u=t;3===u.rank&&(u=ei(t,[1,t.shape[0],t.shape[1],t.shape[2]]));var c={x:s,dy:u},l={strides:r,pad:a,dimRoundingMode:i,dilations:o,filterShape:n};return fa.runKernel(Fe,c,l)}});var pl=Ea({depthwiseConv2dNativeBackpropInput_:function(e,t,n,r,a,o,i){void 0===o&&(o=[1,1]);var s=t,u=!1;3===t.rank&&(u=!0,s=ei(t,[1,t.shape[0],t.shape[1],t.shape[2]]));var c={dy:s,filter:n},l={strides:r,pad:a,dimRoundingMode:i,dilations:o,inputShape:e},h=fa.runKernel(Ce,c,l);return u?ei(h,[h.shape[1],h.shape[2],h.shape[3]]):h}});var gl=Ea({fusedDepthwiseConv2d_:function(e){var t,n=e.x,r=e.filter,a=e.strides,o=e.pad,i=e.dataFormat,u=void 0===i?"NHWC":i,c=e.dilations,l=void 0===c?[1,1]:c,h=e.dimRoundingMode,f=e.bias,d=e.activation,p=void 0===d?"linear":d,v=e.preluActivationWeights,m=e.leakyreluAlpha;if(!1===hl(fa.state.gradientDepth,p)){var y=Li(n,r,a,o,u,l,h);return null!=f&&(y=So(y,f)),ll(y,p,v,m)}var b=wa(n,"x","depthwiseConv2d","float32"),w=wa(r,"filter","depthwiseConv2d","float32"),k=b,x=!1;3===b.rank&&(x=!0,k=ei(b,[1,b.shape[0],b.shape[1],b.shape[2]])),g(4===k.rank,(function(){return"Error in fused depthwiseConv2d: input must be rank 4, but got "+"rank ".concat(k.rank,".")})),g(4===w.rank,(function(){return"Error in fused depthwiseConv2d: filter must be rank 4, "+"but got rank ".concat(w.rank,".")})),g(k.shape[3]===w.shape[2],(function(){return"Error in fused depthwiseConv2d: number of input channels "+"(".concat(k.shape[3],") must match the inChannels dimension in ")+"filter ".concat(w.shape[2],".")})),null==l&&(l=[1,1]),g(Yo(a,l),(function(){return"Error in fused depthwiseConv2d: Either strides or dilations must "+"be 1. Got strides ".concat(a," and dilations '").concat(l,"'")})),$o("fused depthwiseConv2d",o,h);var E,S,A=Go(k.shape,w.shape,a,l,o,h,!0);null!=f&&(t=s(na(E=wa(f,"bias","fused conv2d"),b),1),E=t[0],Ki(A.outShape,E.shape)),null!=v&&(S=wa(v,"prelu weights","fused depthwiseConv2d"));var _=function(e,t){g(Jo(l),(function(){return"Error in gradient of fused depthwiseConv2d: dilation rates greater than 1 are not yet supported. Got dilations "+"'".concat(l,"'")}));var n=s(t,4),r=n[0],i=n[1],u=n[2],c=n[3],f=ul(e,u,p),d=pl(i.shape,f,r,a,o,l,h),v=dl(i,f,r.shape,a,o,l,h);return null!=c?[d,v,cl(E,f)]:[d,v]},I={x:k,filter:w,bias:E,preluActivationWeights:S},N={strides:a,pad:o,dataFormat:u,dilations:l,dimRoundingMode:h,activation:p,leakyreluAlpha:m};if(null==f){var M=Bs((function(e,t,n){var r=fa.runKernel(Rn,I,N);return n([t,e,r]),x&&(r=ei(r,[r.shape[1],r.shape[2],r.shape[3]])),{value:r,gradFunc:_}}));return M(k,w)}var T=Bs((function(e,t,n,r){var a=fa.runKernel(Rn,I,N);return r([t,e,a,n]),x&&(a=ei(a,[a.shape[1],a.shape[2],a.shape[3]])),{value:a,gradFunc:_}}));return T(k,w,E)}});var vl=Ea({fusedMatMul_:function(e){var t,n=e.a,r=e.b,a=e.transposeA,o=void 0!==a&&a,i=e.transposeB,u=void 0!==i&&i,c=e.bias,l=e.activation,h=void 0===l?"linear":l,f=e.preluActivationWeights,d=e.leakyreluAlpha,p=void 0===d?.2:d;if(!1===hl(fa.state.gradientDepth,h)){var v=ai(n,r,o,u);return null!=c&&(v=So(v,c)),ll(v,h,f,p)}var m=wa(n,"a","fused matMul"),b=wa(r,"b","fused matMul");t=s(na(m,b),2),m=t[0],b=t[1];var w=o?m.shape[m.rank-2]:m.shape[m.rank-1],k=u?b.shape[b.rank-1]:b.shape[b.rank-2],x=o?m.shape[m.rank-1]:m.shape[m.rank-2],E=u?b.shape[b.rank-2]:b.shape[b.rank-1],S=m.shape.slice(0,-2),A=b.shape.slice(0,-2),_=y(S),I=y(A);g(w===k,(function(){return"Error in fused matMul: inner shapes (".concat(w,") and (")+"".concat(k,") of Tensors with shapes ").concat(m.shape," and ")+"".concat(b.shape," and transposeA=").concat(o)+" and transposeB=".concat(u," must match.")}));var N,M,T=Ki(m.shape.slice(0,-2),b.shape.slice(0,-2)).concat([x,E]),D=ei(m,o?[_,w,x]:[_,x,w]),R=ei(b,u?[I,E,k]:[I,k,E]);null!=c&&(N=s(na(N=wa(c,"bias","fused matMul"),m),1)[0],Ki(T,N.shape)),null!=f&&(M=wa(f,"prelu weights","fused matMul"));var B=function(e,t){var n,r,a=s(t,4),i=a[0],l=a[1],f=a[2],d=a[3],p=ul(ei(e,f.shape),f,h);return o||u?!o&&u?(n=ai(p,l,!1,!1),r=ai(p,i,!0,!1)):o&&!u?(n=ai(l,p,!1,!0),r=ai(i,p,!1,!1)):(n=ai(l,p,!0,!0),r=ai(p,i,!0,!0)):(n=ai(p,l,!1,!0),r=ai(i,p,!0,!1)),null!=c?[n,r,cl(d,p)]:[n,r]},F={a:D,b:R,bias:N,preluActivationWeights:M},C={transposeA:o,transposeB:u,activation:h,leakyreluAlpha:p};if(null==c){var P=Bs((function(e,t,n){var r=fa.runKernel(Tn,F,C);return n([e,t,r]),{value:ei(r,T),gradFunc:B}}));return P(D,R)}var O=Bs((function(e,t,n,r){var a=fa.runKernel(Tn,F,C);return r([e,t,a,n]),{value:ei(a,T),gradFunc:B}}));return O(D,R,N)}}),ml={__proto__:null,conv2d:fl,depthwiseConv2d:gl,matMul:vl};var yl=Ea({hammingWindow_:function(e){return ol(e,.54,.46)}});var bl=Ea({hannWindow_:function(e){return ol(e,.5,.5)}});var wl=Ea({frame_:function(e,t,n,r,a){void 0===r&&(r=!1),void 0===a&&(a=0);for(var o=0,i=[];o+t<=e.size;)i.push(ii(e,o,t)),o+=n;if(r)for(;o<e.size;){var s=o+t-e.size,u=ri([ii(e,o,t-s),bi([s],a)]);i.push(u),o+=n}return 0===i.length?Oc([],[0,t]):ei(ri(i),[i.length,t])}});var kl=Ea({stft_:function(e,t,n,r,a){void 0===a&&(a=bl),null==r&&(r=al(t));var o=wl(e,t,n),i=Io(o,a(t));return Mc(i,r)}});var xl=Ea({cropAndResize_:function(e,t,n,r,a,o){void 0===a&&(a="bilinear"),void 0===o&&(o=0);var i=wa(e,"image","cropAndResize"),s=wa(t,"boxes","cropAndResize","float32"),u=wa(n,"boxInd","cropAndResize","int32"),c=s.shape[0];g(4===i.rank,(function(){return"Error in cropAndResize: image must be rank 4,"+"but got rank ".concat(i.rank,".")})),g(2===s.rank&&4===s.shape[1],(function(){return"Error in cropAndResize: boxes must be have size [".concat(c,",4] ")+"but had shape ".concat(s.shape,".")})),g(1===u.rank&&u.shape[0]===c,(function(){return"Error in cropAndResize: boxInd must be have size [".concat(c,"] ")+"but had shape ".concat(s.shape,".")})),g(2===r.length,(function(){return"Error in cropAndResize: cropSize must be of length 2, but got "+"length ".concat(r.length,".")})),g(r[0]>=1&&r[1]>=1,(function(){return"cropSize must be atleast [1,1], but was ".concat(r)})),g("bilinear"===a||"nearest"===a,(function(){return"method must be bilinear or nearest, but was ".concat(a)}));var l={image:i,boxes:s,boxInd:u},h={method:a,extrapolationValue:o,cropSize:r};return fa.runKernel(Te,l,h)}});var El=Ea({flipLeftRight_:function(e){var t=wa(e,"image","flipLeftRight","float32");g(4===t.rank,(function(){return"Error in flipLeftRight: image must be rank 4,"+"but got rank ".concat(t.rank,".")}));var n={image:t};return fa.runKernel(Ve,n,{})}});var Sl=Ea({grayscaleToRGB_:function(e){var t=wa(e,"image","grayscaleToRGB"),n=t.rank-1,r=t.shape[n];g(t.rank>=2,(function(){return"Error in grayscaleToRGB: images must be at least rank 2, "+"but got rank ".concat(t.rank,".")})),g(1===r,(function(){return"Error in grayscaleToRGB: last dimension of a grayscale image "+"should be size 1, but got size ".concat(r,".")}));var a=new Array(t.rank);return a.fill(1,0,n),a[n]=3,vs(t,a)}});var Al=Ea({rotateWithOffset_:function(e,t,n,r){void 0===n&&(n=0),void 0===r&&(r=.5);var a=wa(e,"image","rotateWithOffset","float32");g(4===a.rank,(function(){return"Error in rotateWithOffset: image must be rank 4,"+"but got rank ".concat(a.rank,".")}));var o={image:a},i={radians:t,fillValue:n,center:r};return fa.runKernel(Mn,o,i)}});function _l(e,t,n,r,a,o){null==r&&(r=.5),null==a&&(a=Number.NEGATIVE_INFINITY),null==o&&(o=0);var i=e.shape[0];return n=Math.min(n,i),g(0<=r&&r<=1,(function(){return"iouThreshold must be in [0, 1], but was '".concat(r,"'")})),g(2===e.rank,(function(){return"boxes must be a 2D tensor, but was of rank '".concat(e.rank,"'")})),g(4===e.shape[1],(function(){return"boxes must have 4 columns, but 2nd dimension was ".concat(e.shape[1])})),g(1===t.rank,(function(){return"scores must be a 1D tensor"})),g(t.shape[0]===i,(function(){return"scores has incompatible shape with boxes. Expected ".concat(i,", ")+"but was ".concat(t.shape[0])})),g(0<=o&&o<=1,(function(){return"softNmsSigma must be in [0, 1], but was '".concat(o,"'")})),{maxOutputSize:n,iouThreshold:r,scoreThreshold:a,softNmsSigma:o}}var Il=Ea({nonMaxSuppression_:function(e,t,n,r,a){void 0===r&&(r=.5),void 0===a&&(a=Number.NEGATIVE_INFINITY);var o=wa(e,"boxes","nonMaxSuppression","float32"),i=wa(t,"scores","nonMaxSuppression","float32"),s=_l(o,i,n,r,a),u={maxOutputSize:n=s.maxOutputSize,iouThreshold:r=s.iouThreshold,scoreThreshold:a=s.scoreThreshold};return fa.runKernel(Et,{boxes:o,scores:i},u)}});function Nl(e,t,n){var r=function(e,t,n){return function(e,t,n){var r=0,a=e.length,o=0,i=!1;for(;r<a;){var s=n(t,e[o=r+(a-r>>>1)]);s>0?r=o+1:(a=o,i=!s)}return i?r:-r-1}(e,t,n||Ml)}(e,t,n),a=r<0?-(r+1):r;e.splice(a,0,t)}function Ml(e,t){return e>t?1:e<t?-1:0}function Tl(e,t,n,r,a){return Bl(e,t,n,r,a,0)}function Dl(e,t,n,r,a,o){return Bl(e,t,n,r,a,0,!1,o,!0)}function Rl(e,t,n,r,a,o){return Bl(e,t,n,r,a,o,!0)}function Bl(e,t,n,r,a,o,i,c,l){void 0===i&&(i=!1),void 0===c&&(c=!1),void 0===l&&(l=!1);for(var h=[],f=0;f<t.length;f++)t[f]>a&&h.push({score:t[f],boxIndex:f,suppressBeginIndex:0});h.sort(Pl);for(var d=o>0?-.5/o:0,p=[],g=[];p.length<n&&h.length>0;){var v=h.pop(),m=v.score,y=v.boxIndex,b=v.suppressBeginIndex;if(m<a)break;for(var w=!1,k=p.length-1;k>=b;--k){var x=Fl(e,y,p[k]);if(x>=r){w=!0;break}if(v.score=v.score*Cl(r,d,x),v.score<=a)break}v.suppressBeginIndex=p.length,w||(v.score===m?(p.push(y),g.push(v.score)):v.score>a&&Nl(h,v,Pl))}var E=p.length,S=n-E;c&&S>0&&(p.push.apply(p,u([],s(new Array(S).fill(0)),!1)),g.push.apply(g,u([],s(new Array(S).fill(0)),!1)));var A={selectedIndices:p};return i&&(A.selectedScores=g),l&&(A.validOutputs=E),A}function Fl(e,t,n){var r=e.subarray(4*t,4*t+4),a=e.subarray(4*n,4*n+4),o=Math.min(r[0],r[2]),i=Math.min(r[1],r[3]),s=Math.max(r[0],r[2]),u=Math.max(r[1],r[3]),c=Math.min(a[0],a[2]),l=Math.min(a[1],a[3]),h=Math.max(a[0],a[2]),f=Math.max(a[1],a[3]),d=(s-o)*(u-i),p=(h-c)*(f-l);if(d<=0||p<=0)return 0;var g=Math.max(o,c),v=Math.max(i,l),m=Math.min(s,h),y=Math.min(u,f),b=Math.max(m-g,0)*Math.max(y-v,0);return b/(d+p-b)}function Cl(e,t,n){var r=Math.exp(t*n*n);return n<=e?r:0}function Pl(e,t){return e.score-t.score||e.score===t.score&&t.boxIndex-e.boxIndex}var Ol=function(e,t,n,r,i){return void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),a(this,void 0,void 0,(function(){var a,s,u,c,l,h,f;return o(this,(function(o){switch(o.label){case 0:return a=wa(e,"boxes","nonMaxSuppressionAsync"),s=wa(t,"scores","nonMaxSuppressionAsync"),u=_l(a,s,n,r,i),n=u.maxOutputSize,r=u.iouThreshold,i=u.scoreThreshold,[4,Promise.all([a.data(),s.data()])];case 1:return c=o.sent(),l=c[0],h=c[1],f=Tl(l,h,n,r,i).selectedIndices,a!==e&&a.dispose(),s!==t&&s.dispose(),[2,Pc(f,"int32")]}}))}))};var Ll=Ea({nonMaxSuppressionWithScore_:function(e,t,n,r,a,o){void 0===r&&(r=.5),void 0===a&&(a=Number.NEGATIVE_INFINITY),void 0===o&&(o=0);var i=wa(e,"boxes","nonMaxSuppression"),s=wa(t,"scores","nonMaxSuppression"),u=_l(i,s,n,r,a,o),c={boxes:i,scores:s},l={maxOutputSize:n=u.maxOutputSize,iouThreshold:r=u.iouThreshold,scoreThreshold:a=u.scoreThreshold,softNmsSigma:o=u.softNmsSigma},h=fa.runKernel(At,c,l);return{selectedIndices:h[0],selectedScores:h[1]}}});var zl=function(e,t,n,r,i,s){return void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),void 0===s&&(s=0),a(this,void 0,void 0,(function(){var a,u,c,l,h,f,d,p,g;return o(this,(function(o){switch(o.label){case 0:return a=wa(e,"boxes","nonMaxSuppressionAsync"),u=wa(t,"scores","nonMaxSuppressionAsync"),c=_l(a,u,n,r,i,s),n=c.maxOutputSize,r=c.iouThreshold,i=c.scoreThreshold,s=c.softNmsSigma,[4,Promise.all([a.data(),u.data()])];case 1:return l=o.sent(),h=l[0],f=l[1],d=Rl(h,f,n,r,i,s),p=d.selectedIndices,g=d.selectedScores,a!==e&&a.dispose(),u!==t&&u.dispose(),[2,{selectedIndices:Pc(p,"int32"),selectedScores:Pc(g)}]}}))}))};var Ul=Ea({nonMaxSuppressionPadded_:function(e,t,n,r,a,o){void 0===r&&(r=.5),void 0===a&&(a=Number.NEGATIVE_INFINITY),void 0===o&&(o=!1);var i=wa(e,"boxes","nonMaxSuppression"),s=wa(t,"scores","nonMaxSuppression"),u=_l(i,s,n,r,a,null),c={boxes:i,scores:s},l={maxOutputSize:u.maxOutputSize,iouThreshold:u.iouThreshold,scoreThreshold:u.scoreThreshold,padToMaxOutputSize:o},h=fa.runKernel(St,c,l);return{selectedIndices:h[0],validOutputs:h[1]}}});var Wl=function(e,t,n,r,i,u){return void 0===r&&(r=.5),void 0===i&&(i=Number.NEGATIVE_INFINITY),void 0===u&&(u=!1),a(this,void 0,void 0,(function(){var a,c,l,h,f,d,p,g,v,m,y,b;return o(this,(function(o){switch(o.label){case 0:return a=wa(e,"boxes","nonMaxSuppressionAsync"),c=wa(t,"scores","nonMaxSuppressionAsync"),l=_l(a,c,n,r,i,null),h=l.maxOutputSize,f=l.iouThreshold,d=l.scoreThreshold,[4,Promise.all([a.data(),c.data()])];case 1:return p=s.apply(void 0,[o.sent(),2]),g=p[0],v=p[1],m=Dl(g,v,h,f,d,u),y=m.selectedIndices,b=m.validOutputs,a!==e&&a.dispose(),c!==t&&c.dispose(),[2,{selectedIndices:Pc(y,"int32"),validOutputs:is(b,"int32")}]}}))}))};var Gl=Ea({resizeBilinear_:function(e,t,n,r){void 0===n&&(n=!1),void 0===r&&(r=!1);var a=wa(e,"images","resizeBilinear");g(3===a.rank||4===a.rank,(function(){return"Error in resizeBilinear: x must be rank 3 or 4, but got "+"rank ".concat(a.rank,".")})),g(2===t.length,(function(){return"Error in resizeBilinear: new shape must 2D, but got shape "+"".concat(t,".")})),g(!1===r||!1===n,(function(){return"Error in resizeBilinear: If halfPixelCenters is true, alignCorners must be false."}));var o=a,i=!1;3===a.rank&&(i=!0,o=ei(a,[1,a.shape[0],a.shape[1],a.shape[2]])),s(t,0);var u={images:o},c={alignCorners:n,halfPixelCenters:r,size:t},l=fa.runKernel(Wt,u,c);return i?ei(l,[l.shape[1],l.shape[2],l.shape[3]]):l}});var Kl=Ea({resizeNearestNeighbor_:function(e,t,n,r){void 0===n&&(n=!1),void 0===r&&(r=!1);var a=wa(e,"images","resizeNearestNeighbor");g(3===a.rank||4===a.rank,(function(){return"Error in resizeNearestNeighbor: x must be rank 3 or 4, but got "+"rank ".concat(a.rank,".")})),g(2===t.length,(function(){return"Error in resizeNearestNeighbor: new shape must 2D, but got shape "+"".concat(t,".")})),g("float32"===a.dtype||"int32"===a.dtype,(function(){return"`images` must have `int32` or `float32` as dtype"})),g(!1===r||!1===n,(function(){return"Error in resizeNearestNeighbor: If halfPixelCenters is true, alignCorners must be false."}));var o=a,i=!1;3===a.rank&&(i=!0,o=ei(a,[1,a.shape[0],a.shape[1],a.shape[2]])),s(t,0);var u={images:o},c={alignCorners:n,halfPixelCenters:r,size:t},l=fa.runKernel(Ut,u,c);return i?ei(l,[l.shape[1],l.shape[2],l.shape[3]]):l}});var ql=Ea({threshold_:function(e,t,n,r){var a;void 0===t&&(t="binary"),void 0===n&&(n=!1),void 0===r&&(r=.5);var o,i,u,c,l=wa(e,"image","threshold"),h=l.shape[0]*l.shape[1],f=Io(Pc([r]),255);if(g(3===l.rank,(function(){return"Error in threshold: image must be rank 3,"+"but got rank ".concat(l.rank,".")})),g(3===l.shape[2]||1===l.shape[2],(function(){return"Error in threshold: image color channel must be equal to 3 or 1"+"but got ".concat(l.shape[2],".")})),g("int32"===l.dtype||"float32"===l.dtype,(function(){return"Error in dtype: image dtype must be int32 or float32,"+"but got dtype ".concat(l.dtype,".")})),g("otsu"===t||"binary"===t,(function(){return"Method must be binary or otsu, but was ".concat(t)})),3===l.shape[2]){o=(a=s(Nc(l,[1,1,1],-1),3))[0],i=a[1],u=a[2];var d=Io(o,.2989),p=Io(i,.587),v=Io(u,.114);c=So(So(d,p),v)}else c=e;"otsu"===t&&(f=function(e,t){for(var n,r,a,o,i,s,u=Pc([-1]),c=Pc([0]),l=Pc([0]),h=0;h<e.size-1;h++){n=ii(e,0,h+1),r=ii(e,h+1),i=_o(cs(n),t),s=_o(cs(r),t);var f=cs(Io(n,nc(0,n.size)));a=_o(f,cs(n));var d=bi(r.shape,n.size),p=So(nc(0,r.size),d),g=Io(r,p);o=_o(cs(g),cs(r));var v=Ls(a,o),m=Ls(a,o),y=Io(i,s);l=Io(Io(y,v),m);var b=ws(l,c);c=Hi(b,l,c),u=Hi(b,Pc([h]),u)}return u}(pi(yo(fc(c),"int32"),_a([]),256),h));var m=n?Ns(c,f):ws(c,f);return yo(Io(m,255),"int32")}});var Vl=Ea({transform_:function(e,t,n,r,a,o){void 0===n&&(n="nearest"),void 0===r&&(r="constant"),void 0===a&&(a=0);var i=wa(e,"image","transform","float32"),s=wa(t,"transforms","transform","float32");g(4===i.rank,(function(){return"Error in transform: image must be rank 4,"+"but got rank ".concat(i.rank,".")})),g(2===s.rank&&(s.shape[0]===i.shape[0]||1===s.shape[0])&&8===s.shape[1],(function(){return"Error in transform: Input transform should be batch x 8 or 1 x 8"})),g(null==o||2===o.length,(function(){return"Error in transform: outputShape must be [height, width] or null, "+"but got ".concat(o,".")}));var u={image:i,transforms:s},c={interpolation:n,fillMode:r,fillValue:a,outputShape:o};return fa.runKernel(kn,u,c)}});var Hl=Ea({bandPart_:function(e,t,n){var r=wa(e,"a","bandPart");g(r.rank>=2,(function(){return"bandPart(): Rank must be at least 2, got ".concat(r.rank,".")}));var a,o,i=r.shape,u=s(r.shape.slice(-2),2),c=u[0],l=u[1];"number"==typeof t?(g(t%1==0,(function(){return"bandPart(): numLower must be an integer, got ".concat(t,".")})),g(t<=c,(function(){return"bandPart(): numLower (".concat(t,")")+" must not be greater than the number of rows (".concat(c,").")})),a=wa(t<0?c:t,"numLower","bandPart")):(g("int32"===t.dtype,(function(){return"bandPart(): numLower's dtype must be an int32."})),a=Hi(Is(t,0),c,eu(t,c))),"number"==typeof n?(g(n%1==0,(function(){return"bandPart(): numUpper must be an integer, got ".concat(n,".")})),g(n<=l,(function(){return"bandPart(): numUpper (".concat(n,")")+" must not be greater than the number of columns (".concat(l,").")})),o=wa(n<0?l:n,"numUpper","bandPart")):(g("int32"===n.dtype,(function(){return"bandPart(): numUpper's dtype must be an int32."})),o=Hi(Is(n,0),l,eu(n,l)));var h=ei(nc(0,c,1,"int32"),[-1,1]),f=nc(0,l,1,"int32"),d=Ls(h,f),p=Ws(Ns(d,a),ks(d,Cs(o))),v=Qs([c,l],r.dtype);return ei(Rc(Zc(ei(r,[-1,c,l])).map((function(e){return Hi(p,e,v)}))),i)}});var jl=Ea({gramSchmidt_:function(e){var t;if(Array.isArray(e)){t=!1,g(null!=e&&e.length>0,(function(){return"Gram-Schmidt process: input must not be null, undefined, or empty"}));for(var n=e[0].shape[0],r=function(t){g(e[t].shape[0]===n,(function(){return"Gram-Schmidt: Non-unique lengths found in the input vectors: "+"(".concat(e[t].shape[0]," vs. ").concat(n,")")}))},a=1;a<e.length;++a)r(a)}else t=!0,e=Nc(e,e.shape[0],0).map((function(e){return Dc(e,[0])}));g(e.length<=e[0].shape[0],(function(){return"Gram-Schmidt: Number of vectors (".concat(e.length,") exceeds ")+"number of dimensions (".concat(e[0].shape[0],").")}));var o=[],i=e,s=function(e){o.push(fa.tidy((function(){var t=i[e];if(e>0)for(var n=0;n<e;++n){var r=Io(cs(Io(o[n],t)),o[n]);t=Ls(t,r)}return _o(t,hs(t,"euclidean"))})))};for(a=0;a<e.length;++a)s(a);return t?Rc(o,0):o}});function Zl(e,t){return void 0===t&&(t=!1),fa.tidy((function(){g(2===e.shape.length,(function(){return"qr2d() requires a 2D Tensor, but got a ".concat(e.shape.length,"D Tensor.")}));for(var n=e.shape[0],r=e.shape[1],a=ms(n),o=bo(e),i=Oc([[1]],[1,1]),u=bo(i),c=n>=r?r:n,l=function(e){var t,c=o,l=u,h=a;t=s(fa.tidy((function(){var t=ii(o,[e,e],[n-e,1]),s=hs(t),c=ii(o,[e,e],[1,1]),l=Hi(ws(c,0),Oc([[-1]]),Oc([[1]])),h=Ls(c,Io(l,s)),f=_o(t,h);u=1===f.shape[0]?bo(i):ri([i,ii(f,[1,0],[f.shape[0]-1,f.shape[1]])],0);var d=Cs(_o(ai(l,h),s)),p=ii(o,[e,0],[n-e,r]),g=Io(d,u),v=Qc(u);if(0===e)o=Ls(p,ai(g,ai(v,p)));else{var m=Ls(p,ai(g,ai(v,p)));o=ri([ii(o,[0,0],[e,r]),m],0)}var y=Qc(g),b=ii(a,[0,e],[n,a.shape[1]-e]);if(0===e)a=Ls(b,ai(ai(b,u),y));else{var w=Ls(b,ai(ai(b,u),y));a=ri([ii(a,[0,0],[n,e]),w],1)}return[u,o,a]})),3),u=t[0],o=t[1],a=t[2],xo([c,l,h])},h=0;h<c;++h)l(h);return!t&&n>r&&(a=ii(a,[0,0],[n,r]),o=ii(o,[0,0],[r,r])),[a,o]}))}var Jl,Yl=Ea({qr_:function(e,t){if(void 0===t&&(t=!1),g(e.rank>=2,(function(){return"qr() requires input tensor to have a rank >= 2, but got rank ".concat(e.rank)})),2===e.rank)return Zl(e,t);var n=e.shape.slice(0,e.shape.length-2).reduce((function(e,t){return e*t})),r=Zc(ei(e,[n,e.shape[e.shape.length-2],e.shape[e.shape.length-1]]),0),a=[],o=[];return r.forEach((function(e){var n=s(Zl(e,t),2),r=n[0],i=n[1];a.push(r),o.push(i)})),[ei(Rc(a,0),e.shape),ei(Rc(o,0),e.shape)]}});e.Reduction=void 0,(Jl=e.Reduction||(e.Reduction={}))[Jl.NONE=0]="NONE",Jl[Jl.MEAN=1]="MEAN",Jl[Jl.SUM=2]="SUM",Jl[Jl.SUM_BY_NONZERO_WEIGHTS=3]="SUM_BY_NONZERO_WEIGHTS";var Xl=Ea({computeWeightedLoss_:function(t,n,r){void 0===r&&(r=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var a=wa(t,"losses","computeWeightedLoss"),o=null;null!=n&&(o=wa(n,"weights","computeWeightedLoss"));var i=null==o?a:Io(a,o);if(r===e.Reduction.NONE)return i;if(r===e.Reduction.SUM)return cs(i);if(r===e.Reduction.MEAN){if(null==o)return Xs(i);var s=a.size/o.size,u=_o(cs(i),cs(o));return s>1?_o(u,is(s)):u}if(r===e.Reduction.SUM_BY_NONZERO_WEIGHTS){if(null==o)return _o(cs(i),is(a.size));var c=Io(o,$s(a.shape)),l=yo(cs(iu(c,is(0))),"float32");return _o(cs(i),l)}throw Error("Unknown reduction: ".concat(r))}});var Ql=Ea({absoluteDifference_:function(t,n,r,a){void 0===a&&(a=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var o=wa(t,"labels","absoluteDifference"),i=wa(n,"predictions","absoluteDifference"),s=null;null!=r&&(s=wa(r,"weights","absoluteDifference")),v(o.shape,i.shape,"Error in absoluteDifference: ");var u=No(Ls(o,i));return Xl(u,s,a)}});var $l=Ea({cosineDistance_:function(t,n,r,a,o){void 0===o&&(o=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var i=wa(t,"labels","cosineDistance"),s=wa(n,"predictions","cosineDistance"),u=null;null!=a&&(u=wa(a,"weights","cosineDistance")),v(i.shape,s.shape,"Error in cosineDistance: ");var c=is(1),l=Ls(c,cs(Io(i,s),r,!0));return Xl(l,u,o)}});var eh=Ea({hingeLoss_:function(t,n,r,a){void 0===a&&(a=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var o=wa(t,"labels","hingeLoss"),i=wa(n,"predictions","hingeLoss"),s=null;null!=r&&(s=wa(r,"weights","hingeLoss")),v(o.shape,i.shape,"Error in hingeLoss: ");var u=is(1);o=Ls(Io(is(2),o),u);var c=oc(Ls(u,Io(o,i)));return Xl(c,s,a)}});var th=Ea({huberLoss_:function(t,n,r,a,o){void 0===a&&(a=1),void 0===o&&(o=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var i=wa(t,"labels","huberLoss"),s=wa(n,"predictions","huberLoss"),u=null;null!=r&&(u=wa(r,"weights","huberLoss")),v(i.shape,s.shape,"Error in huberLoss: ");var c=is(a),l=No(Ls(s,i)),h=eu(l,c),f=Ls(l,h),d=So(Io(is(.5),us(h)),Io(c,f));return Xl(d,u,o)}});var nh=Ea({logLoss_:function(t,n,r,a,o){void 0===a&&(a=1e-7),void 0===o&&(o=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var i=wa(t,"labels","logLoss"),s=wa(n,"predictions","logLoss"),u=null;null!=r&&(u=wa(r,"weights","logLoss")),v(i.shape,s.shape,"Error in logLoss: ");var c=is(1),l=is(a),h=Cs(Io(i,Ts(So(s,l)))),f=Io(Ls(c,i),Ts(So(Ls(c,s),l))),d=Ls(h,f);return Xl(d,u,o)}});var rh=Ea({meanSquaredError_:function(t,n,r,a){void 0===a&&(a=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var o=wa(t,"labels","meanSquaredError"),i=wa(n,"predictions","meanSquaredError"),s=null;null!=r&&(s=wa(r,"weights","meanSquaredError")),v(o.shape,i.shape,"Error in meanSquaredError: ");var u=Tc(o,i);return Xl(u,s,a)}});var ah=Ea({sigmoidCrossEntropy_:function(t,n,r,a,o){void 0===a&&(a=0),void 0===o&&(o=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var i=wa(t,"multiClassLabels","sigmoidCrossEntropy"),s=wa(n,"logits","sigmoidCrossEntropy"),u=null;if(null!=r&&(u=wa(r,"weights","sigmoidCrossEntropy")),v(i.shape,s.shape,"Error in sigmoidCrossEntropy: "),a>0){var c=is(a),l=is(1),h=is(.5);i=So(Io(i,Ls(l,c)),Io(h,c))}var f=function(e,t){var n=wa(e,"labels","sigmoidCrossEntropyWithLogits"),r=wa(t,"logits","sigmoidCrossEntropyWithLogits");v(n.shape,r.shape,"Error in sigmoidCrossEntropyWithLogits: ");var a=oc(r),o=Io(r,n),i=Ds(ds(Cs(No(r))));return So(Ls(a,o),i)}(i,s);return Xl(f,u,o)}});var oh=Ea({softmaxCrossEntropy_:function(t,n,r,a,o){void 0===a&&(a=0),void 0===o&&(o=e.Reduction.SUM_BY_NONZERO_WEIGHTS);var i=wa(t,"onehotLabels","softmaxCrossEntropy"),u=wa(n,"logits","softmaxCrossEntropy"),c=null;if(null!=r&&(c=wa(r,"weights","softmaxCrossEntropy")),v(i.shape,u.shape,"Error in softmaxCrossEntropy: "),a>0){var l=is(a),h=is(1),f=is(i.shape[1]);i=So(Io(i,Ls(h,l)),_o(l,f))}var d=function(e,t,n){if(void 0===n&&(n=-1),-1===n&&(n=t.rank-1),n!==t.rank-1)throw Error("Softmax cross entropy along a non-last dimension is not yet "+"supported. Labels / logits was rank ".concat(t.rank," ")+"and dim was ".concat(n));var r=Bs((function(e,t,r){var a=Us(t,[n],!0),o=Ls(yo(t,"float32"),a);r([e,o]);var i=Cs(Io(o,e));return{value:cs(i,[n]),gradFunc:function(e,t){var r=s(t,2),a=r[0],o=r[1],i=ns(e.shape,[n]);return[Io(ei(e,i),Ls(yo(a,"float32"),ds(o))),Io(ei(e,i),Ls(ds(o),yo(a,"float32")))]}}}));return r(e,t)}(i,u);return Xl(d,c,o)}});var ih=Ea({sparseFillEmptyRows_:function(e,t,n,r){var a=wa(e,"indices","sparseFillEmptyRows","int32"),o=wa(t,"values","sparseFillEmptyRows"),i=wa(n,"denseShape","sparseFillEmptyRows","int32"),s=wa(r,"defaultValue","sparseFillEmptyRows",o.dtype);if(2!==a.rank)throw new Error("Indices should be Tensor2D but received shape\n        ".concat(a.shape));if(1!==o.rank)throw new Error("Values should be Tensor1D but received shape ".concat(o.shape));if(1!==i.rank)throw new Error("Dense shape should be Tensor1D but received shape ".concat(i.shape));if(0!==s.rank)throw new Error("Default value should be a scalar but received shape ".concat(s.shape));var u={indices:a,values:o,denseShape:i,defaultValue:s},c=fa.runKernel(sn,u);return{outputIndices:c[0],outputValues:c[1],emptyRowIndicator:c[2],reverseIndexMap:c[3]}}});var sh=Ea({sparseReshape_:function(e,t,n){var r=wa(e,"inputIndices","sparseReshape","int32"),a=wa(t,"inputShape","sparseReshape","int32"),o=wa(n,"newShape","sparseReshape","int32");if(2!==r.rank)throw new Error("Input indices should be Tensor2D but received shape\n        ".concat(r.shape));if(1!==a.rank)throw new Error("Input shape should be Tensor1D but received shape ".concat(a.shape));if(1!==o.rank)throw new Error("New shape should be Tensor1D but received shape ".concat(o.shape));var i={inputIndices:r,inputShape:a,newShape:o},s=fa.runKernel(un,i);return{outputIndices:s[0],outputShape:s[1]}}});var uh=Ea({sparseSegmentMean_:function(e,t,n){var r=wa(e,"data","sparseSegmentMean"),a=wa(t,"indices","sparseSegmentMean","int32"),o=wa(n,"segmentIds","sparseSegmentMean","int32");if(r.rank<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(1!==a.rank)throw new Error("Indices should be Tensor1D but received shape\n          ".concat(a.shape));if(1!==o.rank)throw new Error("Segment ids should be Tensor1D but received shape\n          ".concat(o.shape));var i={data:r,indices:a,segmentIds:o};return fa.runKernel(cn,i)}});var ch=Ea({sparseSegmentSum_:function(e,t,n){var r=wa(e,"data","sparseSegmentSum"),a=wa(t,"indices","sparseSegmentSum","int32"),o=wa(n,"segmentIds","sparseSegmentSum","int32");if(r.rank<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(1!==a.rank)throw new Error("Indices should be Tensor1D but received shape\n         ".concat(a.shape));if(1!==o.rank)throw new Error("Segment ids should be Tensor1D but received shape\n         ".concat(o.shape));var i={data:r,indices:a,segmentIds:o};return fa.runKernel(ln,i)}});var lh=Ea({stringNGrams_:function(e,t,n,r,a,o,i,s){var u=wa(e,"data","stringNGrams","string");if("string"!==u.dtype)throw new Error("Data must be of datatype string");if(1!==u.shape.length)throw new Error("Data must be a vector, saw: ".concat(u.shape));var c=wa(t,"dataSplits","stringNGrams");if("int32"!==c.dtype)throw new Error("Data splits must be of datatype int32");var l={separator:n,nGramWidths:r,leftPad:a,rightPad:o,padWidth:i,preserveShortSequences:s},h={data:u,dataSplits:c},f=fa.runKernel(gn,h,l);return{nGrams:f[0],nGramsSplits:f[1]}}});var hh={fft:Ac,ifft:_c,rfft:Mc,irfft:Ic},fh={hammingWindow:yl,hannWindow:bl,frame:wl,stft:kl},dh={flipLeftRight:El,grayscaleToRGB:Sl,resizeNearestNeighbor:Kl,resizeBilinear:Gl,rotateWithOffset:Al,cropAndResize:xl,nonMaxSuppression:Il,nonMaxSuppressionAsync:Ol,nonMaxSuppressionWithScore:Ll,nonMaxSuppressionWithScoreAsync:zl,nonMaxSuppressionPadded:Ul,nonMaxSuppressionPaddedAsync:Wl,threshold:ql,transform:Vl},ph={bandPart:Hl,gramSchmidt:jl,qr:Yl},gh={absoluteDifference:Ql,computeWeightedLoss:Xl,cosineDistance:$l,hingeLoss:eh,huberLoss:th,logLoss:nh,meanSquaredError:rh,sigmoidCrossEntropy:ah,softmaxCrossEntropy:oh},vh={sparseFillEmptyRows:ih,sparseReshape:sh,sparseSegmentMean:uh,sparseSegmentSum:ch},mh={stringNGrams:lh,stringSplit:Ea({stringSplit_:function(e,t,n){void 0===n&&(n=!0);var r=wa(e,"input","stringSplit","string"),a=wa(t,"delimiter","stringSplit","string");if(1!==r.rank)throw new Error("Input should be Tensor1D but received shape ".concat(r.shape));if(0!==a.rank)throw new Error("Delimiter should be a scalar but received shape ".concat(a.shape));var o={skipEmpty:n},i={input:r,delimiter:a},s=fa.runKernel(vn,i,o);return{indices:s[0],values:s[1],shape:s[2]}}}),stringToHashBucketFast:Ea({stringToHashBucketFast_:function(e,t){var n=wa(e,"input","stringToHashBucketFast","string"),r={numBuckets:t};if(t<=0)throw new Error("Number of buckets must be at least 1");var a={input:n};return fa.runKernel(mn,a,r)}}),staticRegexReplace:Ea({staticRegexReplace_:function(e,t,n,r){void 0===r&&(r=!0);var a=wa(e,"input","staticRegexReplace","string"),o={pattern:t,rewrite:n,replaceGlobal:r};return fa.runKernel(dn,{x:a},o)}})},yh=function(){function e(){}return e.prototype.getClassName=function(){return this.constructor.className},e.fromConfig=function(e,t){return new e(t)},e}(),bh=function(){function e(){this.classNameMap={}}return e.getMap=function(){return null==e.instance&&(e.instance=new e),e.instance},e.register=function(t){e.getMap().classNameMap[t.className]=[t,t.fromConfig]},e}();function wh(e){g(null!=e.className,(function(){return"Class being registered does not have the static className property defined."})),g("string"==typeof e.className,(function(){return"className is required to be a string, but got type "+typeof e.className})),g(e.className.length>0,(function(){return"Class being registered has an empty-string as its className, which is disallowed."})),bh.register(e)}var kh={__proto__:null,Serializable:yh,SerializationMap:bh,registerClass:wh},xh=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return r(t,e),t.prototype.minimize=function(e,t,n){void 0===t&&(t=!1);var r=this.computeGradients(e,n),a=r.value,o=r.grads;if(null!=n){var i=n.map((function(e){return{name:e.name,tensor:o[e.name]}}));this.applyGradients(i)}else this.applyGradients(o);return xo(o),t?a:(a.dispose(),null)},Object.defineProperty(t.prototype,"iterations",{get:function(){return null==this.iterations_&&(this.iterations_=0),this.iterations_},enumerable:!1,configurable:!0}),t.prototype.incrementIterations=function(){this.iterations_=this.iterations+1},t.prototype.computeGradients=function(e,t){return Rs(e,t)},t.prototype.dispose=function(){null!=this.iterations_&&xo(this.iterations_)},t.prototype.saveIterations=function(){return a(this,void 0,void 0,(function(){return o(this,(function(e){return null==this.iterations_&&(this.iterations_=0),[2,{name:"iter",tensor:is(this.iterations_,"int32")}]}))}))},t.prototype.getWeights=function(){return a(this,void 0,void 0,(function(){return o(this,(function(e){throw new Error("getWeights() is not implemented for this optimizer yet.")}))}))},t.prototype.setWeights=function(e){return a(this,void 0,void 0,(function(){return o(this,(function(e){throw new Error("setWeights() is not implemented for this optimizer class "+"".concat(this.getClassName()))}))}))},t.prototype.extractIterations=function(e){return a(this,void 0,void 0,(function(){var t;return o(this,(function(n){switch(n.label){case 0:return t=this,[4,e[0].tensor.data()];case 1:return t.iterations_=n.sent()[0],[2,e.slice(1)]}}))}))},t}(yh);Object.defineProperty(xh,Symbol.hasInstance,{value:function(e){return null!=e.minimize&&null!=e.computeGradients&&null!=e.applyGradients}});var Eh=function(e){function t(t,n,r){void 0===r&&(r=null);var a=e.call(this)||this;return a.learningRate=t,a.rho=n,a.epsilon=r,a.accumulatedGrads=[],a.accumulatedUpdates=[],null==r&&(a.epsilon=fa.backend.epsilon()),a}return r(t,e),Object.defineProperty(t,"className",{get:function(){return"Adadelta"},enumerable:!1,configurable:!0}),t.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map((function(e){return e.name})):Object.keys(e)).forEach((function(n,r){var a=fa.registeredVariables[n];null==t.accumulatedGrads[r]&&(t.accumulatedGrads[r]={originalName:"".concat(n,"/accum_grad"),variable:ko((function(){return ji(a).variable(false)}))}),null==t.accumulatedUpdates[r]&&(t.accumulatedUpdates[r]={originalName:"".concat(n,"/accum_var"),variable:ko((function(){return ji(a).variable(false)}))});var o=Array.isArray(e)?e[r].tensor:e[n];if(null!=o){var i=t.accumulatedGrads[r].variable,s=t.accumulatedUpdates[r].variable;ko((function(){var e=So(Io(i,t.rho),Io(us(o),1-t.rho)),n=Io(_o(ss(So(s,t.epsilon)),ss(So(i,t.epsilon))),o),r=So(Io(s,t.rho),Io(us(n),1-t.rho));i.assign(e),s.assign(r);var u=So(Io(n,-t.learningRate),a);a.assign(u)}))}})),this.incrementIterations()},t.prototype.dispose=function(){null!=this.accumulatedUpdates&&(xo(this.accumulatedGrads.map((function(e){return e.variable}))),xo(this.accumulatedUpdates.map((function(e){return e.variable}))))},t.prototype.getWeights=function(){return a(this,void 0,void 0,(function(){var e;return o(this,(function(t){switch(t.label){case 0:return e=u(u([],s(this.accumulatedGrads),!1),s(this.accumulatedUpdates),!1),[4,this.saveIterations()];case 1:return[2,[t.sent()].concat(e.map((function(e){return{name:e.originalName,tensor:e.variable}})))]}}))}))},t.prototype.setWeights=function(e){return a(this,void 0,void 0,(function(){var t;return o(this,(function(n){switch(n.label){case 0:return[4,this.extractIterations(e)];case 1:return e=n.sent(),t=e.length/2,!1,this.accumulatedGrads=e.slice(0,t).map((function(e){return{originalName:e.name,variable:e.tensor.variable(false)}})),this.accumulatedUpdates=e.slice(t,2*t).map((function(e){return{originalName:e.name,variable:e.tensor.variable(false)}})),[2]}}))}))},t.prototype.getConfig=function(){return{learningRate:this.learningRate,rho:this.rho,epsilon:this.epsilon}},t.fromConfig=function(e,t){return new e(t.learningRate,t.rho,t.epsilon)},t}(xh),Sh=function(e){function t(t,n){void 0===n&&(n=.1);var r=e.call(this)||this;return r.learningRate=t,r.initialAccumulatorValue=n,r.accumulatedGrads=[],r}return r(t,e),Object.defineProperty(t,"className",{get:function(){return"Adagrad"},enumerable:!1,configurable:!0}),t.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map((function(e){return e.name})):Object.keys(e)).forEach((function(n,r){var a=fa.registeredVariables[n];if(null==t.accumulatedGrads[r]){t.accumulatedGrads[r]={originalName:"".concat(n,"/accumulator"),variable:ko((function(){return bi(a.shape,t.initialAccumulatorValue).variable(false)}))}}var o=Array.isArray(e)?e[r].tensor:e[n];if(null!=o){var i=t.accumulatedGrads[r].variable;ko((function(){var e=So(i,us(o));i.assign(e);var n=So(Io(_o(o,ss(So(e,fa.backend.epsilon()))),-t.learningRate),a);a.assign(n)}))}})),this.incrementIterations()},t.prototype.dispose=function(){null!=this.accumulatedGrads&&xo(this.accumulatedGrads.map((function(e){return e.variable})))},t.prototype.getWeights=function(){return a(this,void 0,void 0,(function(){return o(this,(function(e){switch(e.label){case 0:return[4,this.saveIterations()];case 1:return[2,[e.sent()].concat(this.accumulatedGrads.map((function(e){return{name:e.originalName,tensor:e.variable}})))]}}))}))},t.prototype.setWeights=function(e){return a(this,void 0,void 0,(function(){return o(this,(function(t){switch(t.label){case 0:return[4,this.extractIterations(e)];case 1:return e=t.sent(),!1,this.accumulatedGrads=e.map((function(e){return{originalName:e.name,variable:e.tensor.variable(false)}})),[2]}}))}))},t.prototype.getConfig=function(){return{learningRate:this.learningRate,initialAccumulatorValue:this.initialAccumulatorValue}},t.fromConfig=function(e,t){return new e(t.learningRate,t.initialAccumulatorValue)},t}(xh),Ah=function(e){function t(t,n,r,a){void 0===a&&(a=null);var o=e.call(this)||this;return o.learningRate=t,o.beta1=n,o.beta2=r,o.epsilon=a,o.accumulatedFirstMoment=[],o.accumulatedSecondMoment=[],ko((function(){o.accBeta1=is(n).variable(),o.accBeta2=is(r).variable()})),null==a&&(o.epsilon=fa.backend.epsilon()),o}return r(t,e),Object.defineProperty(t,"className",{get:function(){return"Adam"},enumerable:!1,configurable:!0}),t.prototype.applyGradients=function(e){var t=this,n=Array.isArray(e)?e.map((function(e){return e.name})):Object.keys(e);ko((function(){var r=Ls(1,t.accBeta1),a=Ls(1,t.accBeta2);n.forEach((function(n,o){var i=fa.registeredVariables[n];null==t.accumulatedFirstMoment[o]&&(t.accumulatedFirstMoment[o]={originalName:"".concat(n,"/m"),variable:ko((function(){return ji(i).variable(false)}))}),null==t.accumulatedSecondMoment[o]&&(t.accumulatedSecondMoment[o]={originalName:"".concat(n,"/v"),variable:ko((function(){return ji(i).variable(false)}))});var s=Array.isArray(e)?e[o].tensor:e[n];if(null!=s){var u=t.accumulatedFirstMoment[o].variable,c=t.accumulatedSecondMoment[o].variable,l=So(Io(u,t.beta1),Io(s,1-t.beta1)),h=So(Io(c,t.beta2),Io(us(s),1-t.beta2)),f=_o(l,r),d=_o(h,a);u.assign(l),c.assign(h);var p=So(Io(_o(f,So(ss(d),t.epsilon)),-t.learningRate),i);i.assign(p)}})),t.accBeta1.assign(Io(t.accBeta1,t.beta1)),t.accBeta2.assign(Io(t.accBeta2,t.beta2))})),this.incrementIterations()},t.prototype.dispose=function(){this.accBeta1.dispose(),this.accBeta2.dispose(),null!=this.accumulatedFirstMoment&&xo(this.accumulatedFirstMoment.map((function(e){return e.variable}))),null!=this.accumulatedSecondMoment&&xo(this.accumulatedSecondMoment.map((function(e){return e.variable})))},t.prototype.getWeights=function(){return a(this,void 0,void 0,(function(){var e;return o(this,(function(t){switch(t.label){case 0:return e=u(u([],s(this.accumulatedFirstMoment),!1),s(this.accumulatedSecondMoment),!1),[4,this.saveIterations()];case 1:return[2,[t.sent()].concat(e.map((function(e){return{name:e.originalName,tensor:e.variable}})))]}}))}))},t.prototype.setWeights=function(e){return a(this,void 0,void 0,(function(){var t,n=this;return o(this,(function(r){switch(r.label){case 0:return[4,this.extractIterations(e)];case 1:return e=r.sent(),ko((function(){n.accBeta1.assign(os(n.beta1,n.iterations_+1)),n.accBeta2.assign(os(n.beta2,n.iterations_+1))})),t=e.length/2,!1,this.accumulatedFirstMoment=e.slice(0,t).map((function(e){return{originalName:e.name,variable:e.tensor.variable(false)}})),this.accumulatedSecondMoment=e.slice(t,2*t).map((function(e){return{originalName:e.name,variable:e.tensor.variable(false)}})),[2]}}))}))},t.prototype.getConfig=function(){return{learningRate:this.learningRate,beta1:this.beta1,beta2:this.beta2,epsilon:this.epsilon}},t.fromConfig=function(e,t){return new e(t.learningRate,t.beta1,t.beta2,t.epsilon)},t}(xh),_h=function(e){function t(t,n,r,a,o){void 0===a&&(a=null),void 0===o&&(o=0);var i=e.call(this)||this;return i.learningRate=t,i.beta1=n,i.beta2=r,i.epsilon=a,i.decay=o,i.accumulatedFirstMoment=[],i.accumulatedWeightedInfNorm=[],ko((function(){i.iteration=is(0).variable(),i.accBeta1=is(n).variable()})),null==a&&(i.epsilon=fa.backend.epsilon()),i}return r(t,e),Object.defineProperty(t,"className",{get:function(){return"Adamax"},enumerable:!1,configurable:!0}),t.prototype.applyGradients=function(e){var t=this,n=Array.isArray(e)?e.map((function(e){return e.name})):Object.keys(e);ko((function(){var r=Ls(1,t.accBeta1),a=_o(-t.learningRate,So(Io(t.iteration,t.decay),1));n.forEach((function(n,o){var i=fa.registeredVariables[n];null==t.accumulatedFirstMoment[o]&&(t.accumulatedFirstMoment[o]={originalName:"".concat(n,"/m"),variable:ji(i).variable(false)}),null==t.accumulatedWeightedInfNorm[o]&&(t.accumulatedWeightedInfNorm[o]={originalName:"".concat(n,"/v"),variable:ji(i).variable(false)});var s=Array.isArray(e)?e[o].tensor:e[n];if(null!=s){var u=t.accumulatedFirstMoment[o].variable,c=t.accumulatedWeightedInfNorm[o].variable,l=So(Io(u,t.beta1),Io(s,1-t.beta1)),h=Io(c,t.beta2),f=No(s),d=Ys(h,f);u.assign(l),c.assign(d);var p=So(Io(_o(a,r),_o(l,So(d,t.epsilon))),i);i.assign(p)}})),t.iteration.assign(So(t.iteration,1)),t.accBeta1.assign(Io(t.accBeta1,t.beta1))})),this.incrementIterations()},t.prototype.dispose=function(){this.accBeta1.dispose(),this.iteration.dispose(),null!=this.accumulatedFirstMoment&&xo(this.accumulatedFirstMoment.map((function(e){return e.variable}))),null!=this.accumulatedWeightedInfNorm&&xo(this.accumulatedWeightedInfNorm.map((function(e){return e.variable})))},t.prototype.getWeights=function(){return a(this,void 0,void 0,(function(){return o(this,(function(e){throw new Error("getWeights() is not implemented for Adamax yet.")}))}))},t.prototype.setWeights=function(e){return a(this,void 0,void 0,(function(){return o(this,(function(e){throw new Error("setWeights() is not implemented for Adamax yet.")}))}))},t.prototype.getConfig=function(){return{learningRate:this.learningRate,beta1:this.beta1,beta2:this.beta2,epsilon:this.epsilon,decay:this.decay}},t.fromConfig=function(e,t){return new e(t.learningRate,t.beta1,t.beta2,t.epsilon,t.decay)},t}(xh),Ih=function(e){function t(t){var n=e.call(this)||this;return n.learningRate=t,n.setLearningRate(t),n}return r(t,e),Object.defineProperty(t,"className",{get:function(){return"SGD"},enumerable:!1,configurable:!0}),t.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map((function(e){return e.name})):Object.keys(e)).forEach((function(n,r){var a=Array.isArray(e)?e[r].tensor:e[n];if(null!=a){var o=fa.registeredVariables[n];ko((function(){var e=So(Io(t.c,a),o);o.assign(e)}))}})),this.incrementIterations()},t.prototype.setLearningRate=function(e){this.learningRate=e,null!=this.c&&this.c.dispose(),this.c=Eo(is(-e))},t.prototype.dispose=function(){this.c.dispose()},t.prototype.getWeights=function(){return a(this,void 0,void 0,(function(){return o(this,(function(e){switch(e.label){case 0:return[4,this.saveIterations()];case 1:return[2,[e.sent()]]}}))}))},t.prototype.setWeights=function(e){return a(this,void 0,void 0,(function(){return o(this,(function(t){switch(t.label){case 0:return[4,this.extractIterations(e)];case 1:if(0!==(e=t.sent()).length)throw new Error("SGD optimizer does not have settable weights.");return[2]}}))}))},t.prototype.getConfig=function(){return{learningRate:this.learningRate}},t.fromConfig=function(e,t){return new e(t.learningRate)},t}(xh),Nh=function(e){function t(t,n,r){void 0===r&&(r=!1);var a=e.call(this,t)||this;return a.learningRate=t,a.momentum=n,a.useNesterov=r,a.accumulations=[],a.m=is(a.momentum),a}return r(t,e),Object.defineProperty(t,"className",{get:function(){return"Momentum"},enumerable:!1,configurable:!0}),t.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map((function(e){return e.name})):Object.keys(e)).forEach((function(n,r){var a=fa.registeredVariables[n];if(null==t.accumulations[r]){t.accumulations[r]={originalName:"".concat(n,"/momentum"),variable:ko((function(){return ji(a).variable(false)}))}}var o=t.accumulations[r].variable,i=Array.isArray(e)?e[r].tensor:e[n];null!=i&&ko((function(){var e,n=So(Io(t.m,o),i);e=t.useNesterov?So(Io(t.c,So(i,Io(n,t.m))),a):So(Io(t.c,n),a),o.assign(n),a.assign(e)}))})),this.incrementIterations()},t.prototype.dispose=function(){this.m.dispose(),null!=this.accumulations&&xo(this.accumulations.map((function(e){return e.variable})))},t.prototype.setMomentum=function(e){this.momentum=e},t.prototype.getWeights=function(){return a(this,void 0,void 0,(function(){return o(this,(function(e){switch(e.label){case 0:return[4,this.saveIterations()];case 1:return[2,[e.sent()].concat(this.accumulations.map((function(e){return{name:e.originalName,tensor:e.variable}})))]}}))}))},t.prototype.setWeights=function(e){return a(this,void 0,void 0,(function(){return o(this,(function(t){switch(t.label){case 0:return[4,this.extractIterations(e)];case 1:return e=t.sent(),!1,this.accumulations=e.map((function(e){return{originalName:e.name,variable:e.tensor.variable(false)}})),[2]}}))}))},t.prototype.getConfig=function(){return{learningRate:this.learningRate,momentum:this.momentum,useNesterov:this.useNesterov}},t.fromConfig=function(e,t){return new e(t.learningRate,t.momentum,t.useNesterov)},t}(Ih),Mh=function(e){function t(t,n,r,a,o){void 0===n&&(n=.9),void 0===r&&(r=0),void 0===a&&(a=null),void 0===o&&(o=!1);var i=e.call(this)||this;if(i.learningRate=t,i.decay=n,i.momentum=r,i.epsilon=a,i.accumulatedMeanSquares=[],i.accumulatedMoments=[],i.accumulatedMeanGrads=[],i.centered=o,null==a&&(i.epsilon=fa.backend.epsilon()),null==t)throw new Error("learningRate for RMSPropOptimizer must be defined.");return i}return r(t,e),Object.defineProperty(t,"className",{get:function(){return"RMSProp"},enumerable:!1,configurable:!0}),t.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map((function(e){return e.name})):Object.keys(e)).forEach((function(n,r){var a=fa.registeredVariables[n],o=!1;null==t.accumulatedMeanSquares[r]&&(t.accumulatedMeanSquares[r]={originalName:"".concat(n,"/rms"),variable:ko((function(){return ji(a).variable(o)}))}),null==t.accumulatedMoments[r]&&(t.accumulatedMoments[r]={originalName:"".concat(n,"/momentum"),variable:ko((function(){return ji(a).variable(o)}))}),null==t.accumulatedMeanGrads[r]&&t.centered&&(t.accumulatedMeanGrads[r]={originalName:"".concat(n,"/mg"),variable:ko((function(){return ji(a).variable(o)}))});var i=Array.isArray(e)?e[r].tensor:e[n];if(null!=i){var s=t.accumulatedMeanSquares[r].variable,u=t.accumulatedMoments[r].variable;ko((function(){var e=So(Io(s,t.decay),Io(us(i),1-t.decay));if(t.centered){var n=t.accumulatedMeanGrads[r].variable,o=So(Io(n,t.decay),Io(i,1-t.decay)),c=_o(Io(i,t.learningRate),ss(Ls(e,So(us(o),t.epsilon)))),l=So(Io(u,t.momentum),c);s.assign(e),n.assign(o),u.assign(l);var h=Ls(a,l);a.assign(h)}else{var f=So(Io(s,t.decay),Io(us(i),1-t.decay));l=So(Io(u,t.momentum),_o(Io(i,t.learningRate),ss(So(f,t.epsilon))));s.assign(f),u.assign(l);h=Ls(a,l);a.assign(h)}}))}})),this.incrementIterations()},t.prototype.dispose=function(){null!=this.accumulatedMeanSquares&&xo(this.accumulatedMeanSquares.map((function(e){return e.variable}))),null!=this.accumulatedMeanGrads&&this.centered&&xo(this.accumulatedMeanGrads.map((function(e){return e.variable}))),null!=this.accumulatedMoments&&xo(this.accumulatedMoments.map((function(e){return e.variable})))},t.prototype.getWeights=function(){return a(this,void 0,void 0,(function(){var e;return o(this,(function(t){switch(t.label){case 0:return e=u(u([],s(this.accumulatedMeanSquares),!1),s(this.accumulatedMoments),!1),this.centered&&e.push.apply(e,u([],s(this.accumulatedMeanGrads),!1)),[4,this.saveIterations()];case 1:return[2,[t.sent()].concat(e.map((function(e){return{name:e.originalName,tensor:e.variable}})))]}}))}))},t.prototype.setWeights=function(e){return a(this,void 0,void 0,(function(){var t,n;return o(this,(function(r){switch(r.label){case 0:return[4,this.extractIterations(e)];case 1:return e=r.sent(),t=this.centered?e.length/3:e.length/2,n=!1,this.accumulatedMeanSquares=e.slice(0,t).map((function(e){return{originalName:e.name,variable:e.tensor.variable(n)}})),this.accumulatedMoments=e.slice(t,2*t).map((function(e){return{originalName:e.name,variable:e.tensor.variable(n)}})),this.centered&&(this.accumulatedMeanGrads=e.slice(2*t,3*t).map((function(e){return{originalName:e.name,variable:e.tensor.variable(n)}}))),[2]}}))}))},t.prototype.getConfig=function(){return{learningRate:this.learningRate,decay:this.decay,momentum:this.momentum,epsilon:this.epsilon,centered:this.centered}},t.fromConfig=function(e,t){return new e(t.learningRate,t.decay,t.momentum,t.epsilon,t.centered)},t}(xh),Th=[Eh,Sh,Ah,_h,Nh,Mh,Ih];function Dh(e){return new Promise((function(e){return setTimeout(e)})).then(e)}var Rh=function(){function e(t){if(!J().getBool("IS_BROWSER"))throw new Error("browserDownloads() cannot proceed because the current environment is not a browser.");t.startsWith(e.URL_SCHEME)&&(t=t.slice(e.URL_SCHEME.length)),null!=t&&0!==t.length||(t="model"),this.modelJsonFileName=t+".json",this.weightDataFileName=t+".weights.bin"}return e.prototype.save=function(e){return a(this,void 0,void 0,(function(){var t,n,r,a,i,s,u;return o(this,(function(o){switch(o.label){case 0:if("undefined"==typeof document)throw new Error("Browser downloads are not supported in this environment since `document` is not present");if(t=Na.join(e.weightData),n=window.URL.createObjectURL(new Blob([t],{type:"application/octet-stream"})),!(e.modelTopology instanceof ArrayBuffer))return[3,1];throw new Error("BrowserDownloads.save() does not support saving model topology in binary formats yet.");case 1:return r=[{paths:["./"+this.weightDataFileName],weights:e.weightSpecs}],a=Fa(e,r),i=window.URL.createObjectURL(new Blob([JSON.stringify(a)],{type:"application/json"})),(s=null==this.modelJsonAnchor?document.createElement("a"):this.modelJsonAnchor).download=this.modelJsonFileName,s.href=i,[4,Dh((function(){return s.dispatchEvent(new MouseEvent("click"))}))];case 2:return o.sent(),null==e.weightData?[3,4]:((u=null==this.weightDataAnchor?document.createElement("a"):this.weightDataAnchor).download=this.weightDataFileName,u.href=n,[4,Dh((function(){return u.dispatchEvent(new MouseEvent("click"))}))]);case 3:o.sent(),o.label=4;case 4:return[2,{modelArtifactsInfo:Oa(e)}]}}))}))},e}();Rh.URL_SCHEME="downloads://";var Bh=function(){function e(e){if(null==e||e.length<1)throw new Error("When calling browserFiles, at least 1 file is required, "+"but received ".concat(e));this.jsonFile=e[0],this.weightsFiles=e.slice(1)}return e.prototype.load=function(){return a(this,void 0,void 0,(function(){var e=this;return o(this,(function(t){return[2,new Promise((function(t,n){var r=new FileReader;r.onload=function(r){var a=JSON.parse(r.target.result),o=a.modelTopology;if(null!=o)if(null!=a.weightsManifest)if(0!==e.weightsFiles.length){var i=Pa(a,(function(t){return e.loadWeights(t)}));t(i)}else t({modelTopology:o});else n(new Error("weightManifest field is missing from file ".concat(e.jsonFile.name)));else n(new Error("modelTopology field is missing from file ".concat(e.jsonFile.name)))},r.onerror=function(t){return n("Failed to read model topology and weights manifest JSON "+"from file '".concat(e.jsonFile.name,"'. BrowserFiles supports loading ")+"Keras-style tf.Model artifacts only.")},r.readAsText(e.jsonFile)}))]}))}))},e.prototype.loadWeights=function(e){var t,n,r=this,a=[],o=[];try{for(var c=i(e),l=c.next();!l.done;l=c.next()){var h=l.value;a.push.apply(a,u([],s(h.weights),!1)),o.push.apply(o,u([],s(h.paths),!1))}}catch(e){t={error:e}}finally{try{l&&!l.done&&(n=c.return)&&n.call(c)}finally{if(t)throw t.error}}var f=this.checkManifestAndWeightFiles(e),d=o.map((function(e){return r.loadWeightsFile(e,f[e])}));return Promise.all(d).then((function(e){return[a,e]}))},e.prototype.loadWeightsFile=function(e,t){return new Promise((function(n,r){var a=new FileReader;a.onload=function(e){var t=e.target.result;n(t)},a.onerror=function(t){return r("Failed to weights data from file of path '".concat(e,"'."))},a.readAsArrayBuffer(t)}))},e.prototype.checkManifestAndWeightFiles=function(e){var t,n,r=this,a=[],o=this.weightsFiles.map((function(e){return Ba(e.name)})),s={};try{for(var u=i(e),c=u.next();!c.done;c=u.next()){c.value.paths.forEach((function(e){var t=Ba(e);if(-1!==a.indexOf(t))throw new Error("Duplicate file basename found in weights manifest: "+"'".concat(t,"'"));if(a.push(t),-1===o.indexOf(t))throw new Error("Weight file with basename '".concat(t,"' is not provided."));s[e]=r.weightsFiles[o.indexOf(t)]}))}}catch(e){t={error:e}}finally{try{c&&!c.done&&(n=u.return)&&n.call(u)}finally{if(t)throw t.error}}if(a.length!==this.weightsFiles.length)throw new Error("Mismatch in the number of files in weights manifest "+"(".concat(a.length,") and the number of weight files provided ")+"(".concat(this.weightsFiles.length,")."));return s},e}();function Fh(e,t,n,r){!function(e){g(null!=e&&Array.isArray(e)&&e.length>0,(function(){return"promises must be a none empty array"}))}(e),function(e,t){g(e>=0&&e<=1,(function(){return"Progress fraction must be in range [0, 1], but "+"got startFraction ".concat(e)})),g(t>=0&&t<=1,(function(){return"Progress fraction must be in range [0, 1], but "+"got endFraction ".concat(t)})),g(t>=e,(function(){return"startFraction must be no more than endFraction, but "+"got startFraction ".concat(e," and endFraction ")+"".concat(t)}))}(n=null==n?0:n,r=null==r?1:r);var a=0;return Promise.all(e.map((function(o){return o.then((function(o){var i=n+ ++a/e.length*(r-n);return t(i),o})),o})))}function Ch(e,t){return a(this,void 0,void 0,(function(){var n,r,a,i,s,u,c,l,h;return o(this,(function(o){switch(o.label){case 0:return null==t&&(t={}),n=null==t.fetchFunc?J().platform.fetch:t.fetchFunc,r=e.map((function(e){return n(e,t.requestInit,{isBinary:!0})})),a=0,i=.5,null!=t.onProgress?[3,2]:[4,Promise.all(r)];case 1:return s=o.sent(),[3,4];case 2:return[4,Fh(r,t.onProgress,a,i)];case 3:s=o.sent(),o.label=4;case 4:return u=s.map((function(e){return e.arrayBuffer()})),c=.5,l=1,null!=t.onProgress?[3,6]:[4,Promise.all(u)];case 5:return h=o.sent(),[3,8];case 6:return[4,Fh(u,t.onProgress,c,l)];case 7:h=o.sent(),o.label=8;case 8:return[2,h]}}))}))}function Ph(e){var t=this;return function(n,r,i){return void 0===r&&(r=""),a(t,void 0,void 0,(function(){var t,a,s,u,c,l,h,f,d,p;return o(this,(function(o){switch(o.label){case 0:if(t=n.map((function(){return!1})),a={},s=null!=i?i.map((function(){return!1})):[],u=[],n.forEach((function(e,n){var r=0;e.weights.forEach((function(e){var o="quantization"in e?e.quantization.dtype:e.dtype,c=Ia[o]*y(e.shape),l=function(){t[n]=!0,null==a[n]&&(a[n]=[]),a[n].push({manifestEntry:e,groupOffset:r,sizeBytes:c})};null!=i?i.forEach((function(t,n){t===e.name&&(l(),s[n]=!0)})):l(),u.push(e.name),r+=c}))})),!s.every((function(e){return e})))throw c=i.filter((function(e,t){return!s[t]})),new Error("Could not find weights in manifest with names: "+"".concat(c.join(", "),". \n")+"Manifest JSON has weights with names: "+"".concat(u.join(", "),"."));return l=t.reduce((function(e,t,n){return t&&e.push(n),e}),[]),h=[],l.forEach((function(e){n[e].paths.forEach((function(e){var t=r+(r.endsWith("/")?"":"/")+e;h.push(t)}))})),[4,e(h)];case 1:return f=o.sent(),d={},p=0,l.forEach((function(e){var t=n[e].paths.length,r=new Na(f.slice(p,p+t));a[e].forEach((function(e){var t=Ma(r.slice(e.groupOffset,e.groupOffset+e.sizeBytes),[e.manifestEntry]);for(var n in t)d[n]=t[n]})),p+=t})),[2,d]}}))}))}}Ua.registerSaveRouter((function(e){return J().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(Rh.URL_SCHEME)?function(e){void 0===e&&(e="model");return new Rh(e)}(e.slice(Rh.URL_SCHEME.length)):null}));var Oh=function(){function e(e,t){if(this.DEFAULT_METHOD="POST",null==t&&(t={}),this.weightPathPrefix=t.weightPathPrefix,this.onProgress=t.onProgress,this.weightUrlConverter=t.weightUrlConverter,null!=t.fetchFunc?(g("function"==typeof t.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=t.fetchFunc):this.fetch=J().platform.fetch,g(null!=e&&e.length>0,(function(){return"URL path for http must not be null, undefined or empty."})),Array.isArray(e)&&g(2===e.length,(function(){return"URL paths for http must have a length of 2, "+"(actual length is ".concat(e.length,").")})),this.path=e,null!=t.requestInit&&null!=t.requestInit.body)throw new Error("requestInit is expected to have no pre-existing body, but has one.");this.requestInit=t.requestInit||{}}return e.prototype.save=function(e){return a(this,void 0,void 0,(function(){var t,n,r,a,i;return o(this,(function(o){switch(o.label){case 0:if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserHTTPRequest.save() does not support saving model topology in binary formats yet.");return(t=Object.assign({method:this.DEFAULT_METHOD},this.requestInit)).body=new FormData,n=[{paths:["./model.weights.bin"],weights:e.weightSpecs}],r=Fa(e,n),t.body.append("model.json",new Blob([JSON.stringify(r)],{type:"application/json"}),"model.json"),null!=e.weightData&&(a=Na.join(e.weightData),t.body.append("model.weights.bin",new Blob([a],{type:"application/octet-stream"}),"model.weights.bin")),[4,this.fetch(this.path,t)];case 1:if((i=o.sent()).ok)return[2,{modelArtifactsInfo:Oa(e),responses:[i]}];throw new Error("BrowserHTTPRequest.save() failed due to HTTP response status "+"".concat(i.status,"."))}}))}))},e.prototype.load=function(){return a(this,void 0,void 0,(function(){var e,t,n,r,a,i=this;return o(this,(function(o){switch(o.label){case 0:return[4,this.fetch(this.path,this.requestInit)];case 1:if(!(e=o.sent()).ok)throw new Error("Request to ".concat(this.path," failed with status code ")+"".concat(e.status,". Please verify this URL points to ")+"the model JSON of the model to load.");o.label=2;case 2:return o.trys.push([2,4,,5]),[4,e.json()];case 3:return t=o.sent(),[3,5];case 4:throw o.sent(),n="Failed to parse model JSON of response from ".concat(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=t.modelTopology,a=t.weightsManifest,null==r&&null==a)throw new Error("The JSON from HTTP path ".concat(this.path," contains neither model ")+"topology or manifest for weights.");return[2,Pa(t,(function(e){return i.loadWeights(e)}))]}}))}))},e.prototype.loadWeights=function(e){return a(this,void 0,void 0,(function(){var t,n,r,a,c,l,h,f,d,p,g,v,m,y,b,w,k,x,E,S,A,_,I;return o(this,(function(o){switch(o.label){case 0:t=Array.isArray(this.path)?this.path[1]:this.path,n=s(function(e){var t=e.lastIndexOf("/"),n=e.lastIndexOf("?"),r=e.substring(0,t),a=n>t?e.substring(n):"";return[r+"/",a]}(t),2),r=n[0],a=n[1],c=this.weightPathPrefix||r,l=La(e),h=[],f=[];try{for(d=i(e),p=d.next();!p.done;p=d.next()){g=p.value;try{for(_=void 0,v=i(g.paths),m=v.next();!m.done;m=v.next())y=m.value,null!=this.weightUrlConverter?f.push(this.weightUrlConverter(y)):h.push(c+y+a)}catch(e){_={error:e}}finally{try{m&&!m.done&&(I=v.return)&&I.call(v)}finally{if(_)throw _.error}}}}catch(e){S={error:e}}finally{try{p&&!p.done&&(A=d.return)&&A.call(d)}finally{if(S)throw S.error}}return this.weightUrlConverter?(w=(b=h.push).apply,k=[h],x=[[]],[4,Promise.all(f)]):[3,2];case 1:w.apply(b,k.concat([u.apply(void 0,x.concat([s.apply(void 0,[o.sent()]),!1]))])),o.label=2;case 2:return[4,Ch(h,{requestInit:this.requestInit,fetchFunc:this.fetch,onProgress:this.onProgress})];case 3:return E=o.sent(),[2,[l,E]]}}))}))},e}();function Lh(e){return null!=e.match(Oh.URL_SCHEME_REGEX)}Oh.URL_SCHEME_REGEX=/^https?:\/\//;var zh=function(e,t){if("undefined"==typeof fetch&&(null==t||null==t.fetchFunc))return null;return(Array.isArray(e)?e.every((function(e){return Lh(e)})):Lh(e))?Uh(e,t):null};function Uh(e,t){return new Oh(e,t)}Ua.registerSaveRouter(zh),Ua.registerLoadRouter(zh);var Wh=function(){function e(e){this.modelArtifacts=e}return e.prototype.load=function(){return this.modelArtifacts},e}(),Gh=function(){function e(e){this.saveHandler=e}return e.prototype.save=function(e){return this.saveHandler(e)},e}(),Kh=function(e){e.load&&(this.load=function(){return Promise.resolve(e.load())}),e.save&&(this.save=function(t){return Promise.resolve(e.save(t))})};function qh(e,t,n,r){if(1===arguments.length){var a=null!=e.modelTopology||null!=e.weightSpecs;return a?new Wh(e):(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 Wh({modelTopology:e}))}return 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 Wh({modelTopology:e,weightSpecs:t,weightData:n,trainingConfig:r})}var Vh={__proto__:null,CompositeArrayBuffer:Na,browserFiles:function(e){return new Bh(e)},browserHTTPRequest:function(e,t){return Uh(e,t)},concatenateArrayBuffers:function(e){return Na.join(e)},copyModel:function(e,t){return a(this,void 0,void 0,(function(){return o(this,(function(n){return!1,[2,ho(e,t,false)]}))}))},decodeWeights:Ma,encodeWeights:function(e,t){return a(this,void 0,void 0,(function(){var n,r,i,s,u,c=this;return o(this,(function(l){switch(l.label){case 0:for(n=[],r=[],i=Array.isArray(e)?e.map((function(e){return e.name})):Object.keys(e),s=function(s){var u=i[s],l=Array.isArray(e)?e[s].tensor:e[u];if("float32"!==l.dtype&&"int32"!==l.dtype&&"bool"!==l.dtype&&"string"!==l.dtype&&"complex64"!==l.dtype)throw new Error("Unsupported dtype in weight '".concat(u,"': ").concat(l.dtype));var h={name:u,shape:l.shape,dtype:l.dtype};if("string"===l.dtype){var f=new Promise((function(e){return a(c,void 0,void 0,(function(){var t,n,r,a,i,s,u;return o(this,(function(o){switch(o.label){case 0:return[4,l.bytes()];case 1:for(t=o.sent(),n=t.reduce((function(e,t){return e+t.length}),0)+4*t.length,r=new Uint8Array(n),a=0,i=0;i<t.length;i++)s=t[i],u=new Uint8Array(new Uint32Array([s.length]).buffer),r.set(u,a),a+=4,r.set(s,a),a+=s.length;return e(r),[2]}}))}))}));r.push(f)}else r.push(l.data());null!=t&&(h.group=t),n.push(h)},u=0;u<i.length;++u)s(u);return[4,Promise.all(r)];case 1:return[2,{data:Ta(l.sent()),specs:n}]}}))}))},fromMemory:function(e,t,n,r){var a=arguments;return new Kh(qh.apply(void 0,u([],s(a),!1)))},fromMemorySync:qh,getLoadHandlers:function(e,t){return Ua.getLoadHandlers(e,t)},getModelArtifactsForJSON:Pa,getModelArtifactsForJSONSync:Ca,getModelArtifactsInfoForJSON:Oa,getSaveHandlers:function(e){return Ua.getSaveHandlers(e)},getWeightSpecs:La,http:Uh,isHTTPScheme:Lh,listModels:function(){return a(this,void 0,void 0,(function(){var e,t,n,r,a,s,u,c,l,h;return o(this,(function(o){switch(o.label){case 0:e=co.getSchemes(),t={},o.label=1;case 1:o.trys.push([1,6,7,8]),n=i(e),r=n.next(),o.label=2;case 2:return r.done?[3,5]:(a=r.value,[4,co.getManager(a).listModels()]);case 3:for(u in s=o.sent())t[a+uo+u]=s[u];o.label=4;case 4:return r=n.next(),[3,2];case 5:return[3,8];case 6:return c=o.sent(),l={error:c},[3,8];case 7:try{r&&!r.done&&(h=n.return)&&h.call(n)}finally{if(l)throw l.error}return[7];case 8:return[2,t]}}))}))},loadWeights:function(e,t,n,r){return void 0===t&&(t=""),a(this,void 0,void 0,(function(){return o(this,(function(a){return[2,Ph((function(e){return Ch(e,{requestInit:r})}))(e,t,n)]}))}))},moveModel:function(e,t){return a(this,void 0,void 0,(function(){return o(this,(function(n){return!0,[2,ho(e,t,true)]}))}))},registerLoadRouter:function(e){return Ua.registerLoadRouter(e)},registerSaveRouter:function(e){return Ua.registerSaveRouter(e)},removeModel:function(e){return a(this,void 0,void 0,(function(){var t;return o(this,(function(n){return t=lo(e),[2,co.getManager(t.scheme).removeModel(t.path)]}))}))},weightsLoaderFactory:Ph,withSaveHandler:function(e){return new Gh(e)},withSaveHandlerSync:function(e){return new Gh(e)}};var Hh,jh={__proto__:null,confusionMatrix:Ea({confusionMatrix_:function(e,t,n){var r=wa(e,"labels","confusionMatrix"),a=wa(t,"predictions","confusionMatrix");g(null==n||n>0&&Number.isInteger(n),(function(){return"If provided, numClasses must be a positive integer, "+"but got ".concat(n)})),g(1===r.rank,(function(){return"Expected the rank of labels to be 1, but got ".concat(r.rank)})),g(1===a.rank,(function(){return"Expected the rank of predictions to be 1, "+"but got ".concat(a.rank)})),g(r.shape[0]===a.shape[0],(function(){return"Mismatch in the number of examples: "+"".concat(r.shape[0]," vs. ").concat(a.shape[0],". ")+"Labels and predictions should have the same number of elements."})),g(n>0&&Number.isInteger(n),(function(){return"numClasses is required to be a positive integer, but got "+"".concat(n)}));var o=su(yo(r,"int32"),n),i=su(yo(a,"int32"),n),s=Qc(o),u=ai(s,i);return yo(u,"int32")}})},Zh=!1;function Jh(e,t){if(void 0===t&&(t=3),t>4)throw new Error("Cannot construct Tensor with more than 4 channels from pixels.");if(null==e)throw new Error("pixels passed to tf.browser.fromPixels() can not be null");var n=!1,r=!1,a=!1,o=!1,i=!1,u=!1;if(e.data instanceof Uint8Array)n=!0;else if("undefined"!=typeof ImageData&&e instanceof ImageData)r=!0;else if("undefined"!=typeof HTMLVideoElement&&e instanceof HTMLVideoElement)a=!0;else if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement)o=!0;else if(null!=e.getContext)i=!0;else{if(!("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap))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 ".concat(e.constructor.name));u=!0}if(null!=Pn(Nn,fa.backendName)){var c={pixels:e},l={numChannels:t};return fa.runKernel(Nn,c,l)}var h,f,d=s(a?[e.videoWidth,e.videoHeight]:[e.width,e.height],2),p=d[0],g=d[1];if(i)h=e.getContext("2d").getImageData(0,0,p,g).data;else if(r||n)h=e.data;else if(o||a||u){if(null==Hh)if("undefined"==typeof document){if("undefined"==typeof OffscreenCanvas||"undefined"==typeof OffscreenCanvasRenderingContext2D)throw new Error("Cannot parse input in current context. Reason: OffscreenCanvas Context2D rendering is not supported.");Hh=new OffscreenCanvas(1,1).getContext("2d")}else Hh=document.createElement("canvas").getContext("2d",{willReadFrequently:!0});Hh.canvas.width=p,Hh.canvas.height=g,Hh.drawImage(e,0,0,p,g),h=Hh.getImageData(0,0,p,g).data}if(4===t)f=new Int32Array(h);else{var v=p*g;f=new Int32Array(v*t);for(var m=0;m<v;m++)for(var y=0;y<t;++y)f[m*t+y]=h[4*m+y]}return Lc(f,[g,p,t],"int32")}function Yh(e){return"undefined"!=typeof window&&"undefined"!=typeof ImageBitmap&&window.hasOwnProperty("createImageBitmap")&&!(e instanceof ImageBitmap)&&function(e){return null!=e&&0!==e.width&&0!==e.height}(e)&&!function(e){return null!=e&&e.data instanceof Uint8Array}(e)}function Xh(e){if(2!==e.rank&&3!==e.rank)throw new Error("toPixels only supports rank 2 or 3 tensors, got rank ".concat(e.rank,"."));var t=2===e.rank?1:e.shape[2];if(t>4||2===t)throw new Error("toPixels only supports depth of size "+"1, 3 or 4 but got ".concat(t));if("float32"!==e.dtype&&"int32"!==e.dtype)throw new Error("Unsupported type for toPixels: ".concat(e.dtype,".")+" Please use float32 or int32 tensors.")}var Qh={__proto__:null,draw:function(e,t,n){var r=wa(e,"img","draw");if(!(e instanceof Vr)){var a=r;r=yo(a,"int32"),a.dispose()}Xh(r),function(e){var t=(null==e?void 0:e.alpha)||1;if(t>1||t<0)throw new Error("Alpha value ".concat(t," is suppoed to be in range [0 - 1]."))}(null==n?void 0:n.imageOptions);var o={image:r},i={canvas:t,options:n};fa.runKernel(Le,o,i)},fromPixels:Ea({fromPixels_:Jh}),fromPixelsAsync:function(e,t){return void 0===t&&(t=3),a(this,void 0,void 0,(function(){var n,r;return o(this,(function(a){switch(a.label){case 0:if(n=null,!J().getBool("WRAP_TO_IMAGEBITMAP")||!Yh(e))return[3,5];r=void 0,a.label=1;case 1:return a.trys.push([1,3,,4]),[4,createImageBitmap(e,{premultiplyAlpha:"none"})];case 2:return r=a.sent(),[3,4];case 3:return a.sent(),r=null,[3,4];case 4:return n=null!=r&&r.width===e.width&&r.height===e.height?r:e,[3,6];case 5:n=e,a.label=6;case 6:return[2,Jh(n,t)]}}))}))},toPixels:function(e,t){return a(this,void 0,void 0,(function(){var n,r,a,i,u,c,l,h,f,d,p,g,v,m,y,b;return o(this,(function(o){switch(o.label){case 0:return n=wa(e,"img","toPixels"),e instanceof Vr||(n=yo(r=n,"int32"),r.dispose()),Xh(n),a=s(n.shape.slice(0,2),2),i=a[0],u=a[1],c=2===n.rank?1:n.shape[2],[4,n.data()];case 1:for(l=o.sent(),h="float32"===n.dtype?255:1,f=new Uint8ClampedArray(u*i*4),d=0;d<i*u;++d){for(p=[0,0,0,255],g=0;g<c;g++){if(v=l[d*c+g],"float32"===n.dtype){if(v<0||v>1)throw new Error("Tensor values for a float32 Tensor must be in the "+"range [0 - 1] but encountered ".concat(v,"."))}else if("int32"===n.dtype&&(v<0||v>255))throw new Error("Tensor values for a int32 Tensor must be in the "+"range [0 - 255] but encountered ".concat(v,"."));1===c?(p[0]=v*h,p[1]=v*h,p[2]=v*h):p[g]=v*h}f[(m=4*d)+0]=Math.round(p[0]),f[m+1]=Math.round(p[1]),f[m+2]=Math.round(p[2]),f[m+3]=Math.round(p[3])}return null!=t&&(Zh||(console.warn("tf.browser.toPixels is not efficient to draw tensor on canvas. Please try tf.browser.draw instead."),Zh=!0),t.width=u,t.height=i,y=t.getContext("2d"),b=new ImageData(f,u,i),y.putImageData(b,0,0)),n!==e&&n.dispose(),[2,f]}}))}))}};function $h(e,t){var n=e.shape.length,r=t.shape.length;if(n<1)throw new Error("tf.gatherND() expects the input to be rank 1 or higher,"+" but the rank was ".concat(n,"."));if(r<1)throw new Error("tf.gatherND() expects the indices to be rank 1 or higher,"+" but the rank was ".concat(r,"."));if("int32"!==t.dtype)throw new Error("tf.gatherND() expects the indices to be int32 type,"+" but the dtype was ".concat(t.dtype,"."));if(t.shape[r-1]>n)throw new Error("index innermost dimension length must be <= tensor rank; saw: "+"".concat(t.shape[r-1]," vs. ").concat(n));if(0===y(e.shape))throw new Error("Requested more than 0 entries, but input is empty."+" Input shape: ".concat(e.shape,"."));for(var a=t.shape,o=a[a.length-1],i=1,c=0;c<a.length-1;++c)i*=a[c];var l=e.shape,h=a.slice();h.pop();var f=1;for(c=o;c<n;++c)f*=l[c],h.push(l[c]);var d=u(u([],s(O(e.shape).map((function(e){return e/f}))),!1),[1],!1).slice(0,o);return[h,i,f,d]}var ef={__proto__:null,prepareAndValidate:$h};function tf(e,t,n,r){for(var a=u([],s(e),!1),o=a.length;o<r.length;o++)a.push(1);for(o=0;o<n;o++)0===o?a[t]=1:(a.splice(t,0,1),a.pop());return a}function nf(e,t,n){return n<=e?n:n-(t-1)}function rf(e,t){for(var n=[],r=0;r<e;r++)n.push(t+r);return n}function af(e,t,n,r,a){for(var o=u([],s(a),!1),i=rf(n,t),c=0;c<o.length;c++)if(i.indexOf(c)>-1)o[c]=0;else{var l=nf(t,n,c),h=r[l];e&1<<l&&(h=0),o[c]=h}return o}function of(e,t,n,r,a){for(var o=u([],s(a),!1),i=rf(n,t),c=0;c<o.length;c++)if(i.indexOf(c)>-1)o[c]=Number.MAX_SAFE_INTEGER;else{var l=nf(t,n,c),h=r[l];e&1<<l&&(h=Number.MAX_SAFE_INTEGER),o[c]=h}for(var f=0;f<o.length;f++){var p=a[f];o[f]<0&&(o[f]+=p),o[f]=d(0,o[f],a[f])}return o}function sf(e,t,n){var r=e[t];return(n&1<<t||null==r)&&(r=1),r}function uf(e,t,n,r,a,o){var i=t[a],s=n[a]||1;(e&1<<a||o&1<<a||null==i)&&(i=s>0?Number.MIN_SAFE_INTEGER:Number.MAX_SAFE_INTEGER);var u=r[a];return i<0&&(i+=u),i=d(0,i,u-1)}function cf(e,t,n,r,a,o){var i=t[a],s=n[a]||1;(e&1<<a||o&1<<a||null==i)&&(i=s>0?Number.MAX_SAFE_INTEGER:Number.MIN_SAFE_INTEGER);var u=r[a];return i<0&&(i+=u),i=s>0?d(0,i,u):d(-1,i,u-1)}function lf(e,t,n,r,a,o){if(a[t])return n>0?o[t]:o[t+1&1];var i=e<0?r+e:e;return i<o[0]?o[0]:i>o[1]?o[1]:i}var hf,ff={__proto__:null,assertParamsValid:function(e,t,n){var r=e.shape.length;g(r===t.length,(function(){return"Error in slice".concat(r,"D: Length of begin ").concat(t," must ")+"match the rank of the array (".concat(r,").")})),g(r===n.length,(function(){return"Error in slice".concat(r,"D: Length of size ").concat(n," must ")+"match the rank of the array (".concat(r,").")}));for(var a=function(a){g(t[a]+n[a]<=e.shape[a],(function(){return"Error in slice".concat(r,"D: begin[").concat(a,"] + size[").concat(a,"] ")+"(".concat(t[a]+n[a],") would overflow input.shape[").concat(a,"] (").concat(e.shape[a],")")}))},o=0;o<r;++o)a(o)},computeFlatOffset:function(e,t){for(var n=e.length>0?e[e.length-1]:1,r=0;r<e.length-1;r++)n+=e[r]*t[r];return n},computeOutShape:function(e,t,n){for(var r=[],a=0;a<e.length;a++)r[a]=Math.ceil((t[a]-e[a])/n[a]);return r},getNormalizedAxes:function(e,t,n,r,a,o,i,s,u){var c=e.length,l=new Array(c),h=new Array(c),f=new Array(c);if(t.length&&n>0){var d=t[0],p=n+1;l=af(i,d,p,r,e),h=of(s,d,p,a,e),f=tf(o,d,p,e)}else for(var g=0;g<c;g++)l[g]=uf(i,r,o,e,g,u),h[g]=cf(s,a,o,e,g,u),f[g]=sf(o,g,u);return{begin:l,end:h,strides:f}},isSliceContinous:function(e,t,n){for(var r=n.length,a=0;a<n.length;a++)if(n[a]>1){r=a;break}for(a=r+1;a<n.length;a++)if(t[a]>0||n[a]!==e[a])return!1;return!0},maskToAxes:function(e){for(var t=[],n=0;e>0;)1&e&&t.push(n),e/=2,n++;return t},parseSliceParams:function(e,t,n){var r,a,o=e.shape.length;return(r="number"==typeof t?u([t],s(new Array(o-1).fill(0)),!1):t.length<o?t.concat(new Array(o-t.length).fill(0)):t.slice()).forEach((function(e){g(-1!==e,(function(){return"slice() does not support negative begin indexing."}))})),a=(a=null==n?new Array(o).fill(-1):"number"==typeof n?u([n],s(new Array(o-1).fill(-1)),!1):n.length<o?n.concat(new Array(o-n.length).fill(-1)):n).map((function(t,n){return t>=0?t:(g(-1===t,(function(){return"Negative size values should be exactly -1 but got "+"".concat(t," for the slice() size at index ").concat(n,".")})),e.shape[n]-r[n])})),[r,a]},sliceInfo:function(e,t,n,r,a,o,i,s,u){var c;if(null==r?(c=new Array(t.length)).fill(1):c=r,null!=i&&0!=(i&i-1))throw new Error("Multiple ellipses in slice is not allowed.");for(var l=!1,h={dims:c.length,numAddAxisAfterEllipsis:0,begin:t.slice(),end:n.slice(),strides:c.slice(),beginMask:a,endMask:o,ellipsisMask:i,newAxisMask:s,shrinkAxisMask:u},f=0;f<h.dims;f++)l&&0!=(1<<f&s)&&h.numAddAxisAfterEllipsis++,1<<f&i&&(l=!0);l||(h.ellipsisMask|=1<<h.dims,h.dims++);var d={dims:e.length,beginMask:0,endMask:0,beginValid:!1,endValid:!1};!function(e,t){t.beginMask=0,t.endMask=0,t.shrinkAxisMask=0;var n=0;t.beginValid=null!=e.begin,t.endValid=null!=e.end,t.begin=new Array(t.dims),t.end=new Array(t.dims),t.strides=new Array(t.dims),t.finalShapeGatherIndices=[],t.finalShapeGatherIndicesSparse=[],t.inputShapeGatherIndicesSparse=new Array(t.dims);for(var r=0;r<e.dims;r++)if(1<<r&e.ellipsisMask)for(var a=Math.min(t.dims-(e.dims-r)+1+e.numAddAxisAfterEllipsis,t.dims);n<a;n++)t.begin[n]=0,t.end[n]=0,t.strides[n]=1,t.beginMask|=1<<n,t.endMask|=1<<n,t.finalShapeGatherIndices.push(n),t.finalShapeGatherIndicesSparse.push(-1),t.inputShapeGatherIndicesSparse[n]=r;else if(1<<r&e.newAxisMask)t.finalShapeGatherIndices.push(-2),t.finalShapeGatherIndicesSparse.push(-1);else{if(n===t.begin.length)throw Error("Index out of range using input dim ".concat(n,"; input ")+"has only ".concat(t.dims," dims, ").concat(t.begin.length,"."));null!=e.begin&&(t.begin[n]=e.begin[r]),null!=e.end&&(t.end[n]=e.end[r]),t.strides[n]=e.strides[r],e.beginMask&1<<r&&(t.beginMask|=1<<n),e.endMask&1<<r&&(t.endMask|=1<<n),e.shrinkAxisMask&1<<r?(t.finalShapeGatherIndices.push(-1),t.finalShapeGatherIndicesSparse.push(-1),t.shrinkAxisMask|=1<<n):(t.finalShapeGatherIndices.push(n),t.finalShapeGatherIndicesSparse.push(r)),t.inputShapeGatherIndicesSparse[n]=r,n++}}(h,d);var p=!0,g=!0,v=!0,m=[],y=[];for(f=0;f<e.length;++f){if(0===d.strides[f])throw Error("strides[".concat(f,"] must be non-zero"));var b=!!(d.shrinkAxisMask&1<<f),w=e[f];if(-1!==w){var k=[d.beginMask&1<<f,d.endMask&1<<f],x=[d.strides[f]>0?0:-1,d.strides[f]>0?w:w-1];if(b&&d.strides[f]<=0)throw Error("only stride 1 allowed on non-range indexing.");v=v&&1===d.strides[f];var E=!!(d.beginMask&1<<f&&d.endMask&1<<f);if(d.beginValid&&d.endValid){if(b){var S=d.begin[f]<0?w+d.begin[f]:d.begin[f];if(d.begin[f]=S,d.end[f]=d.begin[f]+1,S<0||S>=w)throw Error("slice index ".concat(d.begin[f]," of dimension ").concat(f," out of bounds."))}else d.begin[f]=lf(d.begin[f],0,d.strides[f],w,k,x),d.end[f]=lf(d.end[f],1,d.strides[f],w,k,x);var A=1===d.strides[f]&&0===d.begin[f]&&d.end[f]===w;p=p&&A,g=g&&(0===f&&1===d.strides[f]||A)}else p=p&&1===d.strides[f]&&E,g=g&&(0===f&&1===d.strides[f]||E);var _=void 0,I=!1;if(d.beginValid&&d.endValid?(_=d.end[f]-d.begin[f],I=!0):b?(_=1,I=!0):E&&w>=0&&(_=d.strides[f]<0?-w:w,I=!0),I){var N=void 0;N=0===_||_<0!=d.strides[f]<0?0:Math.trunc(_/d.strides[f])+(_%d.strides[f]!=0?1:0),m.push(N)}else m.push(-1)}else m.push(b?1:-1)}for(var M=0;M<d.finalShapeGatherIndices.length;++M){var T=d.finalShapeGatherIndices[M];T>=0?y.push(m[T]):-2===T&&y.push(1)}var D=y.filter((function(e,t){return-2!==d.finalShapeGatherIndices[t]}));return{finalShapeSparse:D,finalShape:y,isIdentity:p,sliceDim0:g,isSimpleSlice:v,begin:d.begin,end:d.end,strides:d.strides}},startForAxis:uf,startIndicesWithElidedDims:af,stopForAxis:cf,stopIndicesWithElidedDims:of,stridesForAxis:sf,stridesWithElidedDims:tf},df=function(){function e(){}return e.sgd=function(e){return new Ih(e)},e.momentum=function(e,t,n){return void 0===n&&(n=!1),new Nh(e,t,n)},e.rmsprop=function(e,t,n,r,a){return void 0===t&&(t=.9),void 0===n&&(n=0),void 0===r&&(r=null),void 0===a&&(a=!1),new Mh(e,t,n,r,a)},e.adam=function(e,t,n,r){return void 0===e&&(e=.001),void 0===t&&(t=.9),void 0===n&&(n=.999),void 0===r&&(r=null),new Ah(e,t,n,r)},e.adadelta=function(e,t,n){return void 0===e&&(e=.001),void 0===t&&(t=.95),void 0===n&&(n=null),new Eh(e,t,n)},e.adamax=function(e,t,n,r,a){return void 0===e&&(e=.002),void 0===t&&(t=.9),void 0===n&&(n=.999),void 0===r&&(r=null),void 0===a&&(a=0),new _h(e,t,n,r,a)},e.adagrad=function(e,t){return void 0===t&&(t=.1),new Sh(e,t)},e}(),pf=df,gf="undefined"!=typeof requestAnimationFrame?requestAnimationFrame:"undefined"!=typeof setImmediate?setImmediate:function(e){return e()};!function(e){e[e.FIRST_DIM_SIZE=0]="FIRST_DIM_SIZE",e[e.VALUE_ROWIDS=1]="VALUE_ROWIDS",e[e.ROW_LENGTHS=2]="ROW_LENGTHS",e[e.ROW_SPLITS=3]="ROW_SPLITS",e[e.ROW_LIMITS=4]="ROW_LIMITS",e[e.ROW_STARTS=5]="ROW_STARTS"}(hf||(hf={}));var vf="->",mf=/->/g;function yf(e,t){for(var n=[],r=0;r<e.length;++r)0!==e[r].length&&-1===e[r].indexOf(t)&&-1!==t||n.push(r);return n}var bf={__proto__:null,ERF_A1:.254829592,ERF_A2:-.284496736,ERF_A3:1.421413741,ERF_A4:-1.453152027,ERF_A5:1.061405429,ERF_P:.3275911,PARALLELIZE_THRESHOLD:30,get RowPartitionType(){return hf},SELU_SCALE:1.0507009873554805,SELU_SCALEALPHA:1.7580993408473768,applyActivation:ll,assertAndGetBroadcastShape:Ki,assertAxesAreInnerMostDims:function(e,t,n){g(es(t,n),(function(){return"".concat(e," supports only inner-most axes for now. ")+"Got axes ".concat(t," and rank-").concat(n," input.")}))},assertParamsConsistent:function(e,t){var n=e[0].length;e.forEach((function(e,t){g(e.length===n,(function(){return"Error in concat".concat(n,"D: rank of tensors[").concat(t,"] must be the same ")+"as the rank of the rest (".concat(n,")")}))})),g(t>=0&&t<n,(function(){return"Error in concat".concat(n,"D: axis must be between 0 and ").concat(n-1,".")}));var r=e[0];e.forEach((function(e,a){for(var o=0;o<n;o++)g(o===t||e[o]===r[o],(function(){return"Error in concat".concat(n,"D: Shape of tensors[").concat(a,"] (").concat(e,") ")+"does not match the shape of the rest (".concat(r,") ")+"along the non-concatenated axis ".concat(a,".")}))}))},assignToTypedArray:function(e,t,n,r){e[2*r]=t,e[2*r+1]=n},axesAreInnerMostDims:es,calculateShapes:Wc,checkEinsumDimSizes:function(e,t,n){for(var r=new Array(e),a=function(e){for(var a=n[e].shape,o=function(n){void 0===r[t[e][n]]?r[t[e][n]]=a[n]:g(r[t[e][n]]===a[n],(function(){return"Expected dimension ".concat(r[t[e][n]]," at axis ").concat(n," ")+"of input shaped ".concat(JSON.stringify(a),", ")+"but got dimension ".concat(a[n])}))},i=0;i<t[e].length;++i)o(i)},o=0;o<n.length;++o)a(o)},checkPadOnDimRoundingMode:$o,combineLocations:ts,combineRaggedTensorToTensorShapes:function(e,t,n){var r=new Array;if(null==n&&null==t)return r;if(null==t)for(;r.length<e+n.length;)r.push(-1);else r=t.slice();if(null==n)return r;if(e+n.length!==r.length)throw new Error("rt input.shape and shape=".concat(t," are incompatible: rt input.rank = ").concat(e+n.length,", but shape.rank = ").concat(r.length));for(var a=1;a<n.length;++a){var o=n[a],i=r[r.length-n.length+a],s=r[i];if(o>=0)if(s>=0){if(s!==o)throw new Error("rt input.shape and shape=".concat(t," are incompatible: rt input.shape[").concat(a+e,"] = ").concat(o," but shape[").concat(a+e,"] = ").concat(s))}else r[i]=o}return r},complexWithEvenIndex:function(e){for(var t=Math.ceil(e.length/4),n=new Float32Array(t),r=new Float32Array(t),a=0;a<e.length;a+=4)n[Math.floor(a/4)]=e[a],r[Math.floor(a/4)]=e[a+1];return{real:n,imag:r}},complexWithOddIndex:function(e){for(var t=Math.floor(e.length/4),n=new Float32Array(t),r=new Float32Array(t),a=2;a<e.length;a+=4)n[Math.floor(a/4)]=e[a],r[Math.floor(a/4)]=e[a+1];return{real:n,imag:r}},computeConv2DInfo:Go,computeConv3DInfo:Ko,computeDefaultPad:qo,computeDilation2DInfo:function(e,t,n,r,a,o){void 0===a&&(a="NHWC");var i=e[3];return Go(e,u(u([],s(t),!1),[i],!1),n,o,r,null,null,Qo(a))},computeOptimalWindowSize:function(e){return e<=30?e:P(e,Math.floor(Math.sqrt(e)))},computeOutAndReduceShapes:function(e,t){for(var n=[],r=e.length,a=0;a<r;a++)-1===t.indexOf(a)&&n.push(e[a]);var o=t.map((function(t){return e[t]}));return[n,o]},computeOutShape:function(e,t){for(var n=e[0].slice(),r=1;r<e.length;r++)n[t]+=e[r][t];return n},computePool2DInfo:Wo,computePool3DInfo:function(e,t,n,r,a,o,i){void 0===i&&(i="NDHWC");var u,c,l=s(Ho(t),3),h=l[0],f=l[1],d=l[2];if("NDHWC"===i)c="channelsLast",u=[h,f,d,e[4],e[4]];else{if("NCDHW"!==i)throw new Error("Unknown dataFormat ".concat(i));c="channelsFirst",u=[h,f,d,e[1],e[1]]}return Ko(e,u,n,r,a,!1,c,o)},convertConv2DDataFormat:Qo,decodeEinsumEquation:function(e,t){var n=((e=e.replace(/\s/g,"")).length-e.replace(mf,"").length)/vf.length;if(n<1)throw new Error("Equations without an arrow are not supported.");if(n>1)throw new Error('Equation must contain exactly one arrow ("'.concat(vf,'").'));var r=s(e.split(vf),2),a=r[0],o=r[1];g(-1===a.indexOf("..."),(function(){return'The ellipsis notation ("'.concat("...",'") is not supported yet.')}));var i=a.split(","),u=i.length;if(t!==u)throw new Error("Expected ".concat(u," input tensors, received ").concat(t));if(u>2)throw new Error("Support for more than 2 input tensors is not implemented yet.");for(var c=[],l=function(e){var t=o[e];if(!i.some((function(e){return-1!==e.indexOf(t)})))throw new Error("Output subscripts contain the label ".concat(t," ")+"not present in the input subscripts.");-1===c.indexOf(t)&&c.push(t)},h=0;h<o.length;++h)l(h);for(h=0;h<a.length;++h){var f=a[h];-1===c.indexOf(f)&&","!==f&&c.push(f)}var d=new Array(i.length);for(h=0;h<u;++h){if(new Set(i[h].split("")).size!==i[h].length)throw new Error("Found duplicate axes in input component ".concat(i[h],". ")+"Support for duplicate axes in input is not implemented yet.");d[h]=[];for(var p=0;p<i[h].length;++p)d[h].push(c.indexOf(i[h][p]))}var v=c.length,m=[];for(h=o.length;h<v;++h)m.push(h);return{allDims:c,summedDims:m,idDims:d}},eitherStridesOrDilationsAreOne:Yo,expandShapeToKeepDim:ns,exponent:function(e,t,n){var r=(n?2:-2)*Math.PI*(e/t);return{real:Math.cos(r),imag:Math.sin(r)}},exponents:function(e,t){for(var n=new Float32Array(e/2),r=new Float32Array(e/2),a=0;a<Math.ceil(e/2);a++){var o=(t?2:-2)*Math.PI*(a/e);n[a]=Math.cos(o),r[a]=Math.sin(o)}return{real:n,imag:r}},fromStringArrayToUint8:function(e){return e.map((function(e){return Tr(e)}))},fromUint8ToStringArray:function(e){try{return e.map((function(e){return Dr(e)}))}catch(e){throw new Error("Failed to decode encoded string bytes into utf-8, error: ".concat(e))}},getAxesPermutation:function(e,t){if(es(e,t))return null;for(var n=[],r=0;r<t;++r)-1===e.indexOf(r)&&n.push(r);return e.forEach((function(e){return n.push(e)})),n},getBroadcastDims:Wi,getComplexWithIndex:function(e,t){return{real:e[2*t],imag:e[2*t+1]}},getEinsumComputePath:function(e,t){var n,r,a,o=e,s=[];0===e.length&&o.push(-1),a=e.length+1;for(var u=0;u<a;++u)s.push([]);var c=[];for(u=0;u<o.length;++u){var l=yf(t,o[u]);try{for(var h=(n=void 0,i(l)),f=h.next();!f.done;f=h.next()){var d=f.value;-1===c.indexOf(d)&&(s[u].push(d),c.push(d))}}catch(e){n={error:e}}finally{try{f&&!f.done&&(r=h.return)&&r.call(h)}finally{if(n)throw n.error}}}return{path:o,steps:s}},getEinsumPermutation:function(e,t){var n=new Array(e);n.fill(-1);for(var r=0;r<t.length;++r)n[t[r]]=r;var a=[];for(r=0;r<e;++r)-1===n[r]&&a.push(r);return{permutationIndices:n=n.filter((function(e){return-1!==e})),expandDims:a}},getFusedBiasGradient:cl,getFusedDyActivation:ul,getImageCenter:function(e,t,n){return[n*("number"==typeof e?e:e[0]),t*("number"==typeof e?e:e[1])]},getInnerMostAxes:function(e,t){for(var n=[],r=t-e;r<t;++r)n.push(r);return n},getPermuted:function(e,t,n){void 0===n&&(n=!0);var r=[];if(n){r.push(t);for(var a=t+1;a<e;++a)a<=2*t?(r.push(a),r.push(a-(t+1))):r.push(a)}else{var o=[],i=[];for(a=1;a<e;++a)a>=2*t+1||a%2==1?i.push(a):o.push(a);r.push.apply(r,u([],s(o),!1)),r.push(0),r.push.apply(r,u([],s(i),!1))}return r},getRaggedRank:function(e){return 0===e.length?0:e[0]===hf.FIRST_DIM_SIZE?e.length-1:e.length},getReductionAxes:Gi,getReshaped:function(e,t,n,r){void 0===r&&(r=!0);var a=[];if(r)(a=a.concat(t.slice(0))).push(e[0]/n),a=a.concat(e.slice(1));else{a=a.concat(e[0]);for(var o=t.length,i=0;i<o;++i)a=a.concat([e[i+1]/t[i],t[i]]);a=a.concat(e.slice(o+1))}return a},getReshapedPermuted:function(e,t,n,r){void 0===r&&(r=!0);var a=[];r?a.push(e[0]/n):a.push(e[0]*n);for(var o=1;o<e.length;++o)o<=t.length?r?a.push(t[o-1]*e[o]):a.push(e[o]/t[o-1]):a.push(e[o]);return a},getRowPartitionTypesHelper:function(e){var t,n,r={FIRST_DIM_SIZE:hf.FIRST_DIM_SIZE,VALUE_ROWIDS:hf.VALUE_ROWIDS,ROW_LENGTHS:hf.ROW_LENGTHS,ROW_SPLITS:hf.ROW_SPLITS,ROW_LIMITS:hf.ROW_LIMITS,ROW_STARTS:hf.ROW_STARTS},a=[];try{for(var o=i(e),s=o.next();!s.done;s=o.next()){var u=s.value;if(!(u in r))break;a.push(r[u])}}catch(e){t={error:e}}finally{try{s&&!s.done&&(n=o.return)&&n.call(o)}finally{if(t)throw t.error}}return a},getSliceBeginCoords:function(e,t){for(var n=[0],r=0;r<t;++r)n.push(e[r][0]);return n},getSliceSize:function(e,t,n){for(var r=e.slice(0,1),a=0;a<n;++a)r.push(e[a+1]-t[a][0]-t[a][1]);return r},getSparseFillEmptyRowsIndicesDenseShapeMismatch:function(e){return"Received SparseTensor with denseShape[0] = 0 but\n  indices.shape[0] = ".concat(e)},getSparseFillEmptyRowsNegativeIndexErrorMessage:function(e,t){return"indices(".concat(e,", 0) is invalid: ").concat(t," < 0")},getSparseFillEmptyRowsOutOfRangeIndexErrorMessage:function(e,t,n){return"indices(".concat(e,", 0) is invalid: ").concat(t," >= ").concat(n)},getSparseReshapeEmptyTensorZeroOutputDimErrorMessage:function(){return"reshape cannot infer the missing input size for an empty tensor unless all specified input sizes are non-zero"},getSparseReshapeInputOutputMismatchErrorMessage:function(e,t){var n=y(e),r=y(t);return"Input to reshape is a tensor with ".concat(n," dense values, but the requested shape has ").concat(r,". inputShape=").concat(e," outputShape=").concat(t)},getSparseReshapeInputOutputMultipleErrorMessage:function(e,t){var n=y(e),r=y(t);return"Input to reshape is a SparseTensor with ".concat(n,"\n  dense values, but the requested shape requires a multiple of ").concat(r,". inputShape=").concat(e," outputShape= ").concat(t)},getSparseReshapeMultipleNegativeOneOutputDimErrorMessage:function(e,t){return"only one output dimension may be -1, not both ".concat(e," and ").concat(t)},getSparseReshapeNegativeOutputDimErrorMessage:function(e,t){return"size ".concat(e," must be non-negative, not ").concat(t)},getSparseSegmentReductionIndicesOutOfRangeErrorMessage:function(e,t,n){return"Bad: indices[".concat(e,"] == ").concat(t," out of range [0, ").concat(n,")")},getSparseSegmentReductionNegativeSegmentIdsErrorMessage:function(){return"segment ids must be >= 0"},getSparseSegmentReductionNonIncreasingSegmentIdsErrorMessage:function(){return"segment ids are not increasing"},getSparseSegmentReductionSegmentIdOutOfRangeErrorMessage:function(e,t){return"Segment id ".concat(e," out of range [0, ").concat(t,"), possibly because segmentIds input is not sorted.")},getUndoAxesPermutation:function(e){return e.map((function(e,t){return[t,e]})).sort((function(e,t){return e[1]-t[1]})).map((function(e){return e[0]}))},isIdentityPermutation:function(e){return e.every((function(e,t){return e===t}))},log:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];J().getBool("IS_TEST")||J().getBool("PROD")||console.log.apply(console,u([],s(e),!1))},mergeRealAndImagArrays:function(e,t){if(e.length!==t.length)throw new Error("Cannot merge real and imag arrays of different lengths. real:"+"".concat(e.length,", imag: ").concat(t.length,"."));for(var n=new Float32Array(2*e.length),r=0;r<n.length;r+=2)n[r]=e[r/2],n[r+1]=t[r/2];return n},prepareAndValidate:$h,prepareSplitSize:function(e,t,n){void 0===n&&(n=0);var r=[];if("number"==typeof t)g(e.shape[n]%t==0,(function(){return"Number of splits must evenly divide the axis."})),r=new Array(t).fill(e.shape[n]/t);else{g(t.reduce((function(e,t){return-1===t&&(e+=1),e}),0)<=1,(function(){return"There should be only one negative value in split array."}));var a=t.indexOf(-1);if(-1!==a){var o=t.reduce((function(e,t){return t>0?e+t:e}));t[a]=e.shape[n]-o}g(e.shape[n]===t.reduce((function(e,t){return e+t})),(function(){return"The sum of sizes must match the size of the axis dimension."})),r=t}return r},segment_util:{__proto__:null,collectGatherOpShapeInfo:function(e,t,n,r){var a=t.shape.length,o=e.shape.length;if(0!==r&&(r<-a||r>a))throw new Error("Expect batchDims in the range of [-".concat(a,", ").concat(a,"], but got ").concat(r));if(r<0&&(r+=a),r>o)throw new Error("batchDims (".concat(r,") must be less than rank(x) (\n    ").concat(o,")."));if(n<r)throw new Error("batchDims (".concat(r,") must be less than or equal to axis (").concat(n,")."));for(var i=0;i<r;++i)if(e.shape[i]!==t.shape[i])throw new Error("x.shape[".concat(i,"]: ").concat(e.shape[i]," should be equal to indices.shape[").concat(i,"]: ").concat(t.shape[i],"."));var s=e.shape[n],u=[],c=1,l=1,h=1;for(i=0;i<r;++i)u.push(e.shape[i]),c*=e.shape[i];for(i=r;i<n;i++)u.push(e.shape[i]),l*=e.shape[i];for(i=r;i<a;i++)u.push(t.shape[i]);for(i=n+1;i<o;i++)u.push(e.shape[i]),h*=e.shape[i];return{batchSize:c,sliceSize:h,outerSize:l,dimSize:s,outputShape:u}},computeOutShape:function(e,t,n){for(var r=[],a=e.length,o=0;o<a;o++)o!==t?r.push(e[o]):r.push(n);return r},segOpComputeOptimalWindowSize:function(e,t){var n,r=!1;for(e<=30?(n=e,r=!0):n=P(e,Math.floor(Math.sqrt(e)));!r;)n>t||n===e?r=!0:n=P(e,n+1);return n}},shouldFuse:hl,slice_util:ff,splitRealAndImagArrays:function(e){for(var t=new Float32Array(e.length/2),n=new Float32Array(e.length/2),r=0;r<e.length;r+=2)t[r/2]=e[r],n[r/2]=e[r+1];return{real:t,imag:n}},stridesOrDilationsArePositive:Xo,tupleValuesAreOne:Jo,upcastType:$r,validateDefaultValueShape:function(e,t){if(null!=e&&null!=t){var n=e.length,r=t.length;if(n>=r)throw new Error("defaultValue.shape=".concat(e," and ragged tensor flatValues.shape=").concat(t,", are incompatible: defaultValue.rank = ").concat(n," must be less than ragged tensor input flatValues.rank = ").concat(r,")"));for(var a=0;a<Math.min(n,r-1);++a){var o=e[a],i=t[a+1];if(o>=0&&i>=0&&1!==o&&o!==i)throw new Error("defaultValue.shape=".concat(e,", and ragged tensor input flatValues.shape=").concat(t," are incompatible: defaultValue.shape[").concat(a-e.length,"] = ").concat(o," but ragged tensor input.flatValues.shape[").concat(a-e.length,"] = ").concat(i))}}},validateInput:Uc,validateUpdateShape:zc,warn:Bn},wf={__proto__:null,nonMaxSuppressionV3Impl:Tl,nonMaxSuppressionV4Impl:Dl,nonMaxSuppressionV5Impl:Rl,whereImpl:Jc};!function(){var e,t;try{for(var n=i(Th),r=n.next();!r.done;r=n.next()){wh(r.value)}}catch(t){e={error:t}}finally{try{r&&!r.done&&(t=n.return)&&t.call(n)}finally{if(e)throw e.error}}}(),e.Abs="Abs",e.Acos=Q,e.Acosh=$,e.AdadeltaOptimizer=Eh,e.AdagradOptimizer=Sh,e.AdamOptimizer=Ah,e.AdamaxOptimizer=_h,e.Add=ee,e.AddN=te,e.All="All",e.Any="Any",e.ArgMax=ne,e.ArgMin=re,e.Asin=ae,e.Asinh=oe,e.Atan=ie,e.Atan2=ue,e.Atanh=se,e.AvgPool=ce,e.AvgPool3D=le,e.AvgPool3DGrad="AvgPool3DGrad",e.AvgPoolGrad="AvgPoolGrad",e.BatchMatMul=he,e.BatchToSpaceND=fe,e.Bincount=de,e.BitwiseAnd=pe,e.BroadcastArgs=ge,e.BroadcastTo="BroadcastTo",e.Cast=ve,e.Ceil=me,e.ClipByValue=ye,e.Complex=be,e.ComplexAbs=we,e.Concat=ke,e.Conv2D=xe,e.Conv2DBackpropFilter=Ee,e.Conv2DBackpropInput=Se,e.Conv3D=Ae,e.Conv3DBackpropFilterV2="Conv3DBackpropFilterV2",e.Conv3DBackpropInputV2=_e,e.Cos="Cos",e.Cosh=Ie,e.CropAndResize=Te,e.Cumprod=Ne,e.Cumsum=Me,e.DataStorage=c,e.DenseBincount=De,e.DepthToSpace=Re,e.DepthwiseConv2dNative=Be,e.DepthwiseConv2dNativeBackpropFilter=Fe,e.DepthwiseConv2dNativeBackpropInput=Ce,e.Diag=Pe,e.Dilation2D=Oe,e.Dilation2DBackpropFilter="Dilation2DBackpropFilter",e.Dilation2DBackpropInput="Dilation2DBackpropInput",e.Draw=Le,e.Einsum=Ue,e.Elu="Elu",e.EluGrad="EluGrad",e.Environment=H,e.Equal=We,e.Erf="Erf",e.Exp="Exp",e.ExpandDims=Ge,e.Expm1=Ke,e.FFT="FFT",e.Fill=qe,e.FlipLeftRight=Ve,e.Floor=He,e.FloorDiv=je,e.FromPixels=Nn,e.FusedBatchNorm=Ze,e.FusedConv2D=Dn,e.FusedDepthwiseConv2D=Rn,e.GatherNd=Ye,e.GatherV2=Je,e.Greater=Xe,e.GreaterEqual=Qe,e.IFFT=et,e.Identity=$e,e.Imag=tt,e.IsFinite=nt,e.IsInf=rt,e.IsNan=at,e.KernelBackend=l,e.LRN="LRN",e.LRNGrad="LRNGrad",e.LeakyRelu=ot,e.Less=it,e.LessEqual=st,e.LinSpace=ut,e.Log="Log",e.Log1p=ct,e.LogSoftmax="LogSoftmax",e.LogicalAnd=lt,e.LogicalNot=ht,e.LogicalOr=ft,e.LogicalXor="LogicalXor",e.LowerBound="LowerBound",e.MatrixBandPart="MatrixBandPart",e.Max="Max",e.MaxPool=pt,e.MaxPool3D=gt,e.MaxPool3DGrad="MaxPool3DGrad",e.MaxPoolGrad="MaxPoolGrad",e.MaxPoolWithArgmax=vt,e.Maximum=dt,e.Mean=mt,e.Min="Min",e.Minimum=yt,e.MirrorPad=bt,e.Mod="Mod",e.MomentumOptimizer=Nh,e.Multinomial=wt,e.Multiply=kt,e.Neg="Neg",e.NonMaxSuppressionV3=Et,e.NonMaxSuppressionV4=St,e.NonMaxSuppressionV5=At,e.NotEqual=xt,e.OP_SCOPE_SUFFIX=xa,e.OneHot=It,e.OnesLike=_t,e.Optimizer=xh,e.OptimizerConstructors=df,e.Pack=Nt,e.PadV2=Mt,e.Pool="Pool",e.Pow="Pow",e.Prelu=Tt,e.Prod=Dt,e.RMSPropOptimizer=Mh,e.RaggedGather=Rt,e.RaggedRange=Bt,e.RaggedTensorToTensor=Ft,e.Range=Ct,e.Real=Pt,e.RealDiv=ze,e.Reciprocal=Ot,e.Relu=Lt,e.Relu6=Gt,e.Reshape=zt,e.ResizeBilinear=Wt,e.ResizeBilinearGrad="ResizeBilinearGrad",e.ResizeNearestNeighbor=Ut,e.ResizeNearestNeighborGrad="ResizeNearestNeighborGrad",e.Reverse=Kt,e.RotateWithOffset=Mn,e.Round=qt,e.Rsqrt=Vt,e.SGDOptimizer=Ih,e.ScatterNd=Ht,e.SearchSorted=Zt,e.Select=Jt,e.Selu=Yt,e.Sigmoid=en,e.Sign=$t,e.Sin="Sin",e.Sinh=Qt,e.Slice=Xt,e.Softmax=on,e.Softplus=tn,e.SpaceToBatchND=rn,e.SparseFillEmptyRows=sn,e.SparseReshape=un,e.SparseSegmentMean=cn,e.SparseSegmentSum=ln,e.SparseToDense=hn,e.SplitV=an,e.Sqrt=nn,e.Square="Square",e.SquaredDifference=fn,e.StaticRegexReplace=dn,e.Step=In,e.StridedSlice=pn,e.StringNGrams=gn,e.StringSplit=vn,e.StringToHashBucketFast=mn,e.Sub="Sub",e.Sum="Sum",e.Tan="Tan",e.Tanh=yn,e.Tensor=Vr,e.TensorBuffer=Gr,e.TensorScatterUpdate=jt,e.Tile=bn,e.TopK=wn,e.Transform=kn,e.Transpose=xn,e.Unique=En,e.Unpack=Sn,e.UnsortedSegmentSum=An,e.UpperBound="UpperBound",e.Variable=Xr,e.ZerosLike=_n,e._FusedMatMul=Tn,e.abs=No,e.acos=Mo,e.acosh=To,e.add=So,e.addN=Do,e.all=Ro,e.any=Bo,e.argMax=Fo,e.argMin=Co,e.asin=Po,e.asinh=Oo,e.atan=Lo,e.atan2=zo,e.atanh=Uo,e.avgPool=ti,e.avgPool3d=ni,e.backend=function(){return fa.backend},e.backend_util=bf,e.basicLSTMCell=ui,e.batchNorm=li,e.batchNorm2d=hi,e.batchNorm3d=fi,e.batchNorm4d=di,e.batchToSpaceND=ci,e.bincount=pi,e.bitwiseAnd=gi,e.booleanMaskAsync=Xc,e.broadcastArgs=vi,e.broadcastTo=mi,e.broadcast_util=qi,e.browser=Qh,e.buffer=mo,e.cast=yo,e.ceil=yi,e.clipByValue=wi,e.clone=bo,e.complex=Sa,e.concat=ri,e.concat1d=ki,e.concat2d=xi,e.concat3d=Ei,e.concat4d=Si,e.conv1d=_i,e.conv2d=Ai,e.conv2dTranspose=Ni,e.conv3d=Mi,e.conv3dTranspose=Di,e.copyRegisteredKernels=function(e,t){Ln(e).forEach((function(e){zn(Object.assign({},e,{backendName:t}))}))},e.cos=Ri,e.cosh=Bi,e.cosineWindow=ol,e.cumprod=Fi,e.cumsum=Ci,e.customGrad=Bs,e.denseBincount=Pi,e.deprecationWarn=function(e){J().getBool("DEPRECATION_WARNINGS_ENABLED")&&console.warn(e+" You can disable deprecation warnings with tf.disableDeprecationWarnings().")},e.depthToSpace=Oi,e.depthwiseConv2d=Li,e.device_util=ga,e.diag=zi,e.dilation2d=Ui,e.disableDeprecationWarnings=function(){J().set("DEPRECATION_WARNINGS_ENABLED",!1),console.warn("TensorFlow.js deprecation warnings have been disabled.")},e.dispose=xo,e.disposeVariables=function(){fa.disposeVariables()},e.div=_o,e.divNoNan=Zi,e.dot=Ji,e.dropout=rl,e.einsum=Yi,e.elu=Xi,e.enableDebugMode=function(){J().set("DEBUG",!0)},e.enableProdMode=function(){J().set("PROD",!0)},e.enclosingPowerOfTwo=al,e.engine=function(){return fa},e.ensureShape=Qi,e.env=J,e.equal=Vi,e.erf=$i,e.euclideanNorm=fs,e.exp=ds,e.expandDims=ps,e.expm1=gs,e.eye=ms,e.fft=Ac,e.fill=bi,e.findBackend=function(e){return fa.findBackend(e)},e.findBackendFactory=function(e){return fa.findBackendFactory(e)},e.floor=ys,e.floorDiv=Ao,e.fused=ml,e.gather=bs,e.gatherND=nl,e.gather_util=ef,e.getBackend=function(){return fa.backendName},e.getGradient=On,e.getKernel=Pn,e.getKernelsForBackend=Ln,e.grad=function(e){return g(C(e),(function(){return"The f passed in grad(f) must be a function"})),function(t,n){var r=wa(t,"x","tf.grad","string_or_numeric"),a=null!=n?wa(n,"dy","tf.grad"):null;return fa.tidy((function(){var t=fa.gradients((function(){return e(r)}),[r],a),n=t.value,o=t.grads;return null!=a&&v(n.shape,a.shape,"The shape of dy passed in grad(f)(x, dy) must match the shape returned by f(x)"),Fs(o),o[0]}))}},e.grads=function(e){return g(C(e),(function(){return"The f passed in grads(f) must be a function"})),function(t,n){g(Array.isArray(t),(function(){return"The args passed in grads(f)(args) must be an array of `Tensor`s or `TensorLike`s"}));var r=ka(t,"args","tf.grads","string_or_numeric"),a=null!=n?wa(n,"dy","tf.grads"):null;return fa.tidy((function(){var t=fa.gradients((function(){return e.apply(void 0,u([],s(r),!1))}),r,a),n=t.value,o=t.grads;return null!=a&&v(n.shape,a.shape,"The shape of dy passed in grads(f)([x1,...], dy) must match the shape returned by f([x1,...])"),Fs(o),o}))}},e.greater=ws,e.greaterEqual=ks,e.ifft=_c,e.imag=xs,e.image=dh,e.inTopKAsync=il,e.io=Vh,e.irfft=Ic,e.isFinite=Es,e.isInf=Ss,e.isNaN=As,e.keep=Eo,e.kernel_impls=wf,e.leakyRelu=_s,e.less=Is,e.lessEqual=Ns,e.linalg=ph,e.linspace=function(e,t,n){if(n<=0)throw new Error("The number of values should be positive.");var r={start:e,stop:t,num:n};return fa.runKernel(ut,{},r)},e.localResponseNormalization=Ms,e.log=Ts,e.log1p=Ds,e.logSigmoid=Os,e.logSoftmax=zs,e.logSumExp=Us,e.logicalAnd=Ws,e.logicalNot=Gs,e.logicalOr=Ks,e.logicalXor=qs,e.losses=gh,e.lowerBound=function(e,t){return Hs(e,t,"left")},e.matMul=ai,e.math=jh,e.max=rs,e.maxPool=js,e.maxPool3d=Zs,e.maxPoolWithArgmax=Js,e.maximum=Ys,e.mean=Xs,e.memory=function(){return fa.memory()},e.meshgrid=function(e,t,n){var r=(void 0===n?{}:n).indexing,a=void 0===r?"xy":r;if("xy"!==a&&"ij"!==a)throw new TypeError("".concat(a," is not a valid third argument to meshgrid"));if(void 0===e)return[];var o=wa(e,"x","meshgrid",e instanceof Vr?e.dtype:"float32");if(void 0===t)return[o];var i=wa(t,"y","meshgrid",t instanceof Vr?t.dtype:"float32"),s=y(o.shape),u=y(i.shape);return"xy"===a?(o=ei(o,[1,-1]),i=ei(i,[-1,1]),[ai($s([u,1],o.dtype),o),ai(i,$s([1,s],i.dtype))]):(o=ei(o,[-1,1]),i=ei(i,[1,-1]),[ai(o,$s([1,u],o.dtype)),ai($s([s,1],i.dtype),i)])},e.min=as,e.minimum=eu,e.mirrorPad=tu,e.mod=nu,e.moments=ru,e.movingAverage=$c,e.mul=Io,e.multiRNNCell=au,e.multinomial=ou,e.neg=Cs,e.nextFrame=function(){return new Promise((function(e){return gf((function(){return e()}))}))},e.norm=hs,e.notEqual=iu,e.oneHot=su,e.ones=$s,e.onesLike=uu,e.op=Ea,e.outerProduct=cu,e.pad=lu,e.pad1d=hu,e.pad2d=fu,e.pad3d=du,e.pad4d=pu,e.pool=vu,e.pow=os,e.prelu=mu,e.print=wo,e.prod=yu,e.profile=function(e){return fa.profile(e)},e.raggedGather=bu,e.raggedRange=wu,e.raggedTensorToTensor=ku,e.rand=xu,e.randomGamma=Xu,e.randomNormal=Qu,e.randomStandardNormal=$u,e.randomUniform=ec,e.randomUniformInt=tc,e.range=nc,e.ready=function(){return fa.ready()},e.real=rc,e.reciprocal=ac,e.registerBackend=function(e,t,n){return void 0===n&&(n=1),fa.registerBackend(e,t,n)},e.registerGradient=function(e){var t=e.kernelName;Cn.has(t)&&J().getBool("DEBUG")&&Bn("Overriding the gradient for '".concat(t,"'")),Cn.set(t,e)},e.registerKernel=zn,e.relu=oc,e.relu6=ic,e.removeBackend=function(e){fa.removeBackend(e)},e.reshape=ei,e.reverse=sc,e.reverse1d=uc,e.reverse2d=cc,e.reverse3d=lc,e.reverse4d=hc,e.rfft=Mc,e.round=fc,e.rsqrt=dc,e.scalar=is,e.scatterND=el,e.scatter_util=Gc,e.searchSorted=Hs,e.selu=pc,e.separableConv2d=gc,e.serialization=kh,e.setBackend=function(e){return fa.setBackend(e)},e.setPlatform=function(e,t){J().setPlatform(e,t)},e.setdiff1dAsync=vc,e.sigmoid=oi,e.sign=mc,e.signal=fh,e.sin=yc,e.sinh=bc,e.slice=ii,e.slice1d=wc,e.slice2d=kc,e.slice3d=xc,e.slice4d=Ec,e.slice_util=ff,e.softmax=Sc,e.softplus=Ps,e.spaceToBatchND=gu,e.sparse=vh,e.sparseToDense=tl,e.spectral=hh,e.split=Nc,e.sqrt=ss,e.square=us,e.squaredDifference=Tc,e.squeeze=Dc,e.stack=Rc,e.step=Bc,e.stridedSlice=Fc,e.string=mh,e.sub=Ls,e.sum=cs,e.sumOutType=function(e){return $r(e,"int32")},e.tan=Cc,e.tanh=si,e.tensor=_a,e.tensor1d=Pc,e.tensor2d=Oc,e.tensor3d=Lc,e.tensor4d=function(e,t,n){if(m(e),null!=t&&4!==t.length)throw new Error("tensor4d() requires shape to have four numbers");var r=ma(e,n);if(4!==r.length&&1!==r.length)throw new Error("tensor4d() requires values to be number[][][][] or flat/TypedArray");if(1===r.length&&null==t)throw new Error("tensor4d() requires shape to be provided when `values` are a flat array");return Aa(e,t,r,n)},e.tensor5d=function(e,t,n){if(m(e),null!=t&&5!==t.length)throw new Error("tensor5d() requires shape to have five numbers");var r=ma(e,n);if(5!==r.length&&1!==r.length)throw new Error("tensor5d() requires values to be number[][][][][] or flat/TypedArray");if(1===r.length&&null==t)throw new Error("tensor5d() requires shape to be provided when `values` are a flat array");return Aa(e,t,r,n)},e.tensor6d=function(e,t,n){if(m(e),null!=t&&6!==t.length)throw new Error("tensor6d() requires shape to have six numbers");var r=ma(e,n);if(6!==r.length&&1!==r.length)throw new Error("tensor6d() requires values to be number[][][][][][] or flat/TypedArray");if(1===r.length&&null==t)throw new Error("tensor6d() requires shape to be provided when `values` are a flat array");return Aa(e,t=t||r,r,n)},e.tensorScatterUpdate=Kc,e.tensor_util=ia,e.test_util=ju,e.tidy=ko,e.tile=vs,e.time=function(e){return fa.time(e)},e.topk=qc,e.train=pf,e.transpose=Qc,e.truncatedNormal=Vc,e.unique=Hc,e.unregisterGradient=function(e){if(!Cn.has(e))throw new Error("The gradient '".concat(e,"' for backend is not registered"));Cn.delete(e)},e.unregisterKernel=function(e,t){var n=Un(e,t);if(!Fn.has(n))throw new Error("The kernel '".concat(e,"' for backend ")+"'".concat(t,"' is not registered"));Fn.delete(n)},e.unsortedSegmentSum=jc,e.unstack=Zc,e.upcastType=$r,e.upperBound=function(e,t){return Hs(e,t,"right")},e.util=Fr,e.valueAndGrad=function(e){return g(C(e),(function(){return"The f passed in valueAndGrad(f) must be a function"})),function(t,n){g(t instanceof Vr,(function(){return"The x passed in valueAndGrad(f)(x) must be a tensor"})),g(null==n||n instanceof Vr,(function(){return"The dy passed in valueAndGrad(f)(x, dy) must be a tensor"}));var r=fa.gradients((function(){return e(t)}),[t],n),a=r.grads,o=r.value;return Fs(a),{grad:a[0],value:o}}},e.valueAndGrads=function(e){return g(C(e),(function(){return"The f passed in valueAndGrads(f) must be a function"})),function(t,n){g(Array.isArray(t)&&t.every((function(e){return e instanceof Vr})),(function(){return"The args passed in valueAndGrads(f)(args) must be array of tensors"})),g(null==n||n instanceof Vr,(function(){return"The dy passed in valueAndGrads(f)(args, dy) must be a tensor"}));var r=fa.gradients((function(){return e.apply(void 0,u([],s(t),!1))}),t,n);return null!=n&&v(r.value.shape,n.shape,"The shape of dy passed in valueAndGrads(f)([x1,...], dy) must match the shape returned by f([x1,...])"),Fs(r.grads),r}},e.variable=function(e,t,n,r){return void 0===t&&(t=!0),fa.makeVariable(e,t,n,r)},e.variableGrads=Rs,e.version_core="4.7.0",e.where=Hi,e.whereAsync=Yc,e.zeros=Qs,e.zerosLike=ji}));
//# sourceMappingURL=tf-core.min.js.map