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18]),te("matrixDataToMatrix",function(g){for(var v=g.getCols(),k=g.getRows(),O=g.getPackedDataList(),W=[],K=0;K<k;K++)W.push(Array(v));for(K=0;K<k;K++)for(var G=0;G<v;G++){var J=g.getLayout()===1?K*v+G:G*k+K;W[K][G]=O[J]}return W}),te("VERSION","0.4.1633559619")}).call(ml)),ml}var p2=c2();/**
19 * @license
20 * Copyright 2020 Google LLC. All Rights Reserved.
21 * Licensed under the Apache License, Version 2.0 (the "License");
22 * you may not use this file except in compliance with the License.
23 * You may obtain a copy of the License at
24 *
25 * http://www.apache.org/licenses/LICENSE-2.0
26 *
27 * Unless required by applicable law or agreed to in writing, software
28 * distributed under the License is distributed on an "AS IS" BASIS,
29 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
30 * See the License for the specific language governing permissions and
31 * limitations under the License.
32 * =============================================================================
33 */const h2=1e-7,d2=1e-4;class f2{constructor(e,t){this.backend=e,this.dataMover=t,this.data=new WeakMap,this.dataIdsCount=0}get(e){return this.data.has(e)||this.dataMover.moveData(this.backend,e),this.data.get(e)}set(e,t){this.dataIdsCount++,this.data.set(e,t)}has(e){return this.data.has(e)}delete(e){return this.dataIdsCount--,this.data.delete(e)}numDataIds(){return this.dataIdsCount}}class Bc{refCount(e){return Dt("refCount")}incRef(e){return Dt("incRef")}timerAvailable(){return!0}time(e){return Dt("time")}read(e){return Dt("read")}readSync(e){return Dt("readSync")}readToGPU(e,t){return Dt("readToGPU")}numDataIds(){return Dt("numDataIds")}disposeData(e,t){return Dt("disposeData")}write(e,t,r){return Dt("write")}move(e,t,r,a,s){return Dt("move")}memory(){return Dt("memory")}floatPrecision(){return Dt("floatPrecision")}epsilon(){return this.floatPrecision()===32?h2:d2}dispose(){return Dt("dispose")}}function Dt(n){throw new Error(`'${n}' not yet implemented or not found in the registry. This kernel may not be supported by the tfjs backend you have chosen`)}/**
34 * @license
35 * Copyright 2020 Google LLC. All Rights Reserved.
36 * Licensed under the Apache License, Version 2.0 (the "License");
37 * you may not use this file except in compliance with the License.
38 * You may obtain a copy of the License at
39 *
40 * http://www.apache.org/licenses/LICENSE-2.0
41 *
42 * Unless required by applicable law or agreed to in writing, software
43 * distributed under the License is distributed on an "AS IS" BASIS,
44 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
45 * See the License for the specific language governing permissions and
46 * limitations under the License.
47 * =============================================================================
48 */function eo(n,e,t){return Math.max(n,Math.min(e,t))}function ku(n){return n%2===0?n:n+1}function Ha(n,e,t){const r=n[e];n[e]=n[t],n[t]=r}function m2(n){let e=0;for(let t=0;t<n.length;t++)e+=n[t];return e}function R(n,e){if(!n)throw new Error(typeof e=="string"?e:e())}function Lt(n,e,t=""){R(qe(n,e),()=>t+` Shapes ${n} and ${e} must match`)}function ga(n){R(n!=null,()=>"The input to the tensor constructor must be a non-null value.")}function ia(n,e=[],t=!1){if(e==null&&(e=[]),Array.isArray(n)||wn(n)&&!t)for(let r=0;r<n.length;++r)ia(n[r],e,t);else e.push(n);return e}function ae(n){if(n.length===0)return 1;let e=n[0];for(let t=1;t<n.length;t++)e*=n[t];return e}function qe(n,e){if(n===e)return!0;if(n==null||e==null||n.length!==e.length)return!1;for(let t=0;t<n.length;t++)if(n[t]!==e[t])return!1;return!0}function ua(n){return n%1===0}function Ei(n){const e=Math.ceil(Math.sqrt(n));return[e,Math.ceil(n/e)]}function ra(n,e){return e<=n.length?n:n+" ".repeat(e-n.length)}function yl(n,e=a=>0,t,r=setTimeout){return new Promise((a,s)=>{let o=0;const i=()=>{if(n()){a();return}o++;const u=e(o);if(t!=null&&o>=t){s();return}r(i,u)};i()})}function g2(n,e){let t=1,r=-1;for(let s=0;s<n.length;++s)if(n[s]>=0)t*=n[s];else if(n[s]===-1){if(r!==-1)throw Error(`Shapes can only have 1 implicit size. Found -1 at dim ${r} and dim ${s}`);r=s}else if(n[s]<0)throw Error(`Shapes can not be < 0. Found ${n[s]} at dim ${s}`);if(r===-1){if(e>0&&e!==t)throw Error(`Size(${e}) must match the product of shape ${n}`);return n}if(t===0)throw Error(`Cannot infer the missing size in [${n}] when there are 0 elements`);if(e%t!==0)throw Error(`The implicit shape can't be a fractional number. Got ${e} / ${t}`);const a=n.slice();return a[r]=e/t,a}function rt(n,e){const t=e.length;return n=n==null?e.map((r,a)=>a):[].concat(n),R(n.every(r=>r>=-t&&r<t),()=>`All values in axis param must be in range [-${t}, ${t}) but got axis ${n}`),R(n.every(r=>ua(r)),()=>`All values in axis param must be integers but got axis ${n}`),n.map(r=>r<0?t+r:r)}function rr(n,e){const t=[],r=[],a=e!=null&&Array.isArray(e)&&e.length===0,s=e==null||a?null:rt(e,n).sort();let o=0;for(let i=0;i<n.length;++i){if(s!=null){if(s[o]===i&&n[i]!==1)throw new Error(`Can't squeeze axis ${i} since its dim '${n[i]}' is not 1`);(s[o]==null||s[o]>i)&&n[i]===1&&(t.push(n[i]),r.push(i)),s[o]<=i&&o++}n[i]!==1&&(t.push(n[i]),r.push(i))}return{newShape:t,keptDims:r}}function On(n,e){let t=null;if(n==null||n==="float32")t=new Float32Array(e);else if(n==="int32")t=new Int32Array(e);else if(n==="bool")t=new Uint8Array(e);else throw new Error(`Unknown data type ${n}`);return t}function kt(n,e){let t=null;if(n==null||n==="float32")t=new Float32Array(e);else if(n==="int32")t=new Int32Array(e);else if(n==="bool")t=new Uint8Array(e);else if(n==="string")t=new Array(e);else throw new Error(`Unknown data type ${n}`);return t}function y2(n,e){for(let t=0;t<n.length;t++){const r=n[t];if(isNaN(r)||!isFinite(r))throw Error(`A tensor of type ${e} being uploaded contains ${r}.`)}}function x2(n){return n==="bool"||n==="complex64"||n==="float32"||n==="int32"||n==="str

48ing"}function b2(n,e){return!(e==="complex64"||e==="float32"&&n!=="complex64"||e==="int32"&&n!=="float32"&&n!=="complex64"||e==="bool"&&n==="bool")}function wn(n){return n instanceof Float32Array||n instanceof Int32Array||n instanceof Uint8Array||n instanceof Uint8ClampedArray}function Ci(n){if(n==="float32"||n==="int32")return 4;if(n==="complex64")return 8;if(n==="bool")return 1;throw new Error(`Unknown dtype ${n}`)}function v2(n){if(n==null)return 0;let e=0;return n.forEach(t=>e+=t.length),e}function bo(n){return typeof n=="string"||n instanceof String}function w2(n){return typeof n=="boolean"}function S2(n){return typeof n=="number"}function vo(n){return Array.isArray(n)?vo(n[0]):n instanceof Float32Array?"float32":n instanceof Int32Array||n instanceof Uint8Array||n instanceof Uint8ClampedArray?"int32":S2(n)?"float32":bo(n)?"string":w2(n)?"bool":"float32"}function xl(n){return!!(n&&n.constructor&&n.call&&n.apply)}function Ii(n,e){for(let t=e;t<n;++t)if(n%t===0)return t;return n}function ot(n){const e=n.length;if(e<2)return[];const t=new Array(e-1);t[e-2]=n[e-1];for(let r=e-3;r>=0;--r)t[r]=t[r+1]*n[r+1];return t}function Uc(n,e,t,r=!1){const a=new Array;if(e.length===1){const s=e[0]*(r?2:1);for(let o=0;o<s;o++)a[o]=t[n+o]}else{const s=e[0],o=e.slice(1),i=o.reduce((u,l)=>u*l)*(r?2:1);for(let u=0;u<s;u++)a[u]=Uc(n+u*i,o,t,r)}return a}function Ni(n,e,t=!1){if(n.length===0)return e[0];const r=n.reduce((a,s)=>a*s)*(t?2:1);if(r===0)return[];if(r!==e.length)throw new Error(`[${n}] does not match the input size ${e.length}${t?" for a complex tensor":""}.`);return Uc(0,n,e,t)}function Vc(n,e){const t=er(n,e);for(let r=0;r<t.length;r++)t[r]=1;return t}function er(n,e){if(e==null||e==="float32"||e==="complex64")return new Float32Array(n);if(e==="int32")return new Int32Array(n);if(e==="bool")return new Uint8Array(n);throw new Error(`Unknown data type ${e}`)}function Wc(n){n.forEach(e=>{R(Number.isInteger(e)&&e>=0,()=>`Tensor must have a shape comprised of positive integers but got shape [${n}].`)})}function $i(n,e,t){if(e===0)return 0;if(e===1)return n[0];let r=n[n.length-1];for(let a=0;a<n.length-1;++a)r+=t[a]*n[a];return r}function Tu(n,e,t){if(e===0)return[];if(e===1)return[n];const r=new Array(e);for(let a=0;a<r.length-1;++a)r[a]=Math.floor(n/t[a]),n-=r[a]*t[a];return r[r.length-1]=n,r}function la(n){return n&&n.then&&typeof n.then=="function"}/**
49 * @license
50 * Copyright 2017 Google LLC. All Rights Reserved.
51 * Licensed under the Apache License, Version 2.0 (the "License");
52 * you may not use this file except in compliance with the License.
53 * You may obtain a copy of the License at
54 *
55 * http://www.apache.org/licenses/LICENSE-2.0
56 *
57 * Unless required by applicable law or agreed to in writing, software
58 * distributed under the License is distributed on an "AS IS" BASIS,
59 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
60 * See the License for the specific language governing permissions and
61 * limitations under the License.
62 * =============================================================================
63 */const bl="tfjsflags";class k2{constructor(e){this.global=e,this.flags={},this.flagRegistry={},this.urlFlags={},this.getQueryParams=T2,this.populateURLFlags()}setPlatform(e,t){this.platform!=null&&(H().getBool("IS_TEST")||H().getBool("PROD")||console.warn(`Platform ${this.platformName} has already been set. Overwriting the platform with ${e}.`)),this.platformName=e,this.platform=t}registerFlag(e,t,r){if(this.flagRegistry[e]={evaluationFn:t,setHook:r},this.urlFlags[e]!=null){const a=this.urlFlags[e];H().getBool("IS_TEST")||H().getBool("PROD")||console.warn(`Setting feature override from URL ${e}: ${a}.`),this.set(e,a)}}async getAsync(e){return e in this.flags?this.flags[e]:(this.flags[e]=await this.evaluateFlag(e),this.flags[e])}get(e){if(e in this.flags)return this.flags[e];const t=this.evaluateFlag(e);if(la(t))throw new Error(`Flag ${e} cannot be synchronously evaluated. Please use getAsync() instead.`);return this.flags[e]=t,this.flags[e]}getNumber(e){return this.get(e)}getBool(e){return this.get(e)}getFlags(){return this.flags}get features(){return this.flags}set(e,t){if(this.flagRegistry[e]==null)throw new Error(`Cannot set flag ${e} as it has not been registered.`);this.flags[e]=t,this.flagRegistry[e].setHook!=null&&this.flagRegistry[e].setHook(t)}evaluateFlag(e){if(this.flagRegistry[e]==null)throw new Error(`Cannot evaluate flag '${e}': no evaluation function found.`);return this.flagRegistry[e].evaluationFn()}setFlags(e){this.flags=Object.assign({},e)}reset(){this.flags={},this.urlFlags={},this.populateURLFlags()}populateURLFlags(){if(typeof this.global>"u"||typeof this.global.location>"u"||typeof this.global.location.search>"u")return;const e=this.getQueryParams(this.global.location.search);bl in e&&e[bl].split(",").forEach(t=>{const[r,a]=t.split(":");this.urlFlags[r]=C2(r,a)})}}function T2(n){const e={};return n.replace(/[?&]([^=?&]+)(?:=([^&]*))?/g,(t,...r)=>(E2(e,r[0],r[1]),r.join("="))),e}function E2(n,e,t){n[decodeURIComponent(e)]=decodeURIComponent(t||"")}function C2(n,e){if(e=e.toLowerCase(),e==="true"||e==="false")return e==="true";if(`${+e}`===e)return+e;throw new Error(`Could not parse value flag value ${e} for flag ${n}.`)}function H(){return zc}let zc=null;function I2(n){zc=n}/**
64 * @license
65 * Copyright 2020 Google LLC. All Rights Reserved.
66 * Licensed under the Apache License, Version 2.0 (the "License");

67 * you may not use this file except in compliance with the License.
68 * You may obtain a copy of the License at
69 *
70 * http://www.apache.org/licenses/LICENSE-2.0
71 *
72 * Unless required by applicable law or agreed to in writing, software
73 * distributed under the License is distributed on an "AS IS" BASIS,
74 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
75 * See the License for the specific language governing permissions and
76 * limitations under the License.
77 * =============================================================================
78 */let Qo;function Gc(){if(Qo==null){let n;if(typeof window<"u")n=window;else if(typeof global<"u")n=global;else if(typeof process<"u")n=process;else if(typeof self<"u")n=self;else throw new Error("Could not find a global object");Qo=n}return Qo}function N2(){const n=Gc();return n._tfGlobals==null&&(n._tfGlobals=new Map),n._tfGlobals}function Eu(n,e){const t=N2();if(t.has(n))return t.get(n);{const r=e();return t.set(n,r),t.get(n)}}const jc="Abs",Hc="Acos",Xc="Acosh",Cu="Add",qc="AddN",Kc="All",Yc="Any",Zc="ArgMax",Jc="ArgMin",Qc="Asin",ep="Asinh",tp="Atan",np="Atanh",rp="Atan2",ap="AvgPool",$2="AvgPoolGrad",sp="AvgPool3D",R2="AvgPool3DGrad",op="BatchMatMul",ip="BatchToSpaceND",up="Bincount",lp="BroadcastArgs",Iu="Cast",cp="Ceil",pp="ClipByValue",hp="Complex",dp="ComplexAbs",fp="Concat",mp="Conv2D",gp="Conv2DBackpropFilter",yp="Conv2DBackpropInput",xp="Conv3D",_2="Conv3DBackpropFilterV2",bp="Conv3DBackpropInputV2",vp="Cos",wp="Cosh",Sp="Cumprod",kp="Cumsum",Tp="CropAndResize",Ep="DenseBincount",Cp="DepthToSpace",Ip="DepthwiseConv2dNative",Np="DepthwiseConv2dNativeBackpropFilter",$p="DepthwiseConv2dNativeBackpropInput",Rp="Diag",_p="Dilation2D",Ap="RealDiv",Op="Einsum",Fp="Elu",A2="EluGrad",Dp="Erf",Mp="Equal",Lp="Exp",Pp="ExpandDims",Bp="Expm1",Up="FFT",Vp="Fill",Wp="FlipLeftRight",zp="Floor",Gp="FloorDiv",jp="FusedBatchNorm",Hp="GatherV2",Xp="GatherNd",qp="Greater",Kp="GreaterEqual",Nu="Identity",Yp="IFFT",Zp="Imag",Jp="IsFinite",Qp="IsInf",eh="IsNan",th="LeakyRelu",nh="Less",rh="LessEqual",ah="LinSpace",sh="Log",oh="Log1p",ih="LogicalAnd",uh="LogicalNot",lh="LogicalOr",ch="LRN",O2="LRNGrad",ph="Max",hh="Maximum",dh="MaxPool",F2="MaxPoolGrad",fh="MaxPool3D",D2="MaxPool3DGrad",mh="MaxPoolWithArgmax",gh="Mean",yh="Min",xh="Minimum",bh="MirrorPad",vh="Mod",wh="Multinomial",Sh="Multiply",kh="Neg",Th="NotEqual",Eh="NonMaxSuppressionV3",Ch="NonMaxSuppressionV4",Ih="NonMaxSuppressionV5",Nh="OnesLike",$h="OneHot",Rh="Pack",_h="PadV2",Ah="Pow",Oh="Prelu",Fh="Prod",Dh="RaggedGather",Mh="RaggedTensorToTensor",Lh="Range",Ph="Real",Bh="Reciprocal",Uh="Relu",Vh="Reshape",Wh="ResizeNearestNeighbor",M2="ResizeNearestNeighborGrad",zh="ResizeBilinear",L2="ResizeBilinearGrad",Gh="Relu6",jh="Reverse",Hh="Round",Xh="Rsqrt",qh="ScatterNd",Kh="SearchSorted",Yh="Select",Zh="Selu",Jh="Slice",Qh="Sin",ed="Sinh",td="Sign",nd="Sigmoid",rd="Softplus",ad="Sqrt",sd="Sum",od="SpaceToBatchND",id="SplitV",ud="Softmax",ld="SparseFillEmptyRows",cd="SparseReshape",pd="SparseSegmentMean",hd="SparseSegmentSum",dd="SparseToDense",fd="SquaredDifference",P2="Square",md="StridedSlice",gd="StringNGrams",yd="StringSplit",xd="StringToHashBucketFast",bd="Sub",vd="Tan",wd="Tanh",$u="Tile",Sd="TopK",kd="Transform",Ks="Transpose",Td="Unique",Ed="Unpack",Cd="UnsortedSegmentSum",Id="ZerosLike",Nd="Step",Ri="FromPixels",$d="RotateWithOffset",_i="_FusedMatMul",Ai="FusedConv2D",Oi="FusedDepthwiseConv2D";/**
79 * @license
80 * Copyright 2018 Google LLC. All Rights Reserved.
81 * Licensed under the Apache License, Version 2.0 (the "License");
82 * you may not use this file except in compliance with the License.
83 * You may obtain a copy of the License at
84 *
85 * http://www.apache.org/licenses/LICENSE-2.0
86 *
87 * Unless required by applicable law or agreed to in writing, software
88 * distributed under the License is distributed on an "AS IS" BASIS,
89 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
90 * See the License for the specific language governing permissions and
91 * limitations under the License.
92 * =============================================================================
93 */function ln(...n){H().getBool("IS_TEST")||H().getBool("PROD")||console.warn(...n)}function B2(...n){H().getBool("IS_TEST")||H().getBool("PROD")||console.log(...n)}/**
94 * @license
95 * Copyright 2019 Google LLC. All Rights Reserved.
96 * Licensed under the Apache License, Version 2.0 (the "License");

97 * you may not use this file except in compliance with the License.
98 * You may obtain a copy of the License at
99 *
100 * http://www.apache.org/licenses/LICENSE-2.0
101 *
102 * Unless required by applicable law or agreed to in writing, software
103 * distributed under the License is distributed on an "AS IS" BASIS,
104 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
105 * See the License for the specific language governing permissions and
106 * limitations under the License.
107 * =============================================================================
108 */const to=Eu("kernelRegistry",()=>new Map),U2=Eu("gradRegistry",()=>new Map);function Fi(n,e){const t=Rd(n,e);return to.get(t)}function vl(n){return U2.get(n)}function wl(n){const e=to.entries(),t=[];for(;;){const{done:r,value:a}=e.next();if(r)break;const[s,o]=a,[i]=s.split("_");i===n&&t.push(o)}return t}function V2(n){const{kernelName:e,backendName:t}=n,r=Rd(e,t);to.has(r)&&ln(`The kernel '${e}' for backend '${t}' is already registered`),to.set(r,n)}function Rd(n,e){return`${e}_${n}`}var ei,Sl;function W2(){if(Sl)return ei;Sl=1,ei=e;var n=null;try{n=new WebAssembly.Instance(new WebAssembly.Module(new 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e(C,q,ee){this.low=C|0,this.high=q|0,this.unsigned=!!ee}e.prototype.__isLong__,Object.defineProperty(e.prototype,"__isLong__",{value:!0});function t(C){return(C&&C.__isLong__)===!0}e.isLong=t;var r={},a={};function s(C,q){var ee,te,le;return q?(C>>>=0,(le=0<=C&&C<256)&&(te=a[C],te)?te:(ee=i(C,(C|0)<0?-1:0,!0),le&&(a[C]=ee),ee)):(C|=0,(le=-128<=C&&C<128)&&(te=r[C],te)?te:(ee=i(C,C<0?-1:0,!1),le&&(r[C]=ee),ee))}e.fromInt=s;function o(C,q){if(isNaN(C))return q?T:x;if(q){if(C<0)return T;if(C>=m)return X}else{if(C<=-y)return z;if(C+1>=y)return U}return C<0?o(-C,q).neg():i(C%d|0,C/d|0,q)}e.fromNumber=o;function i(C,q,ee){return new e(C,q,ee)}e.fromBits=i;var u=Math.pow;function l(C,q,ee){if(C.length===0)throw Error("empty string");if(C==="NaN"||C==="Infinity"||C==="+Infinity"||C==="-Infinity")return x;if(typeof q=="number"?(ee=q,q=!1):q=!!q,ee=ee||10,ee<2||36<ee)throw RangeError("radix");var te;if((te=C.indexOf("-"))>0)throw Error("interior hyphen");if(te===0)return l(C.substring(1),q,ee).neg();for(var le=o(u(ee,8)),de=x,fe=0;fe<C.length;fe+=8){var Re=Math.min(8,C.length-fe),ge=parseInt(C.substring(fe,fe+Re),ee);if(Re<8){var Te=o(u(ee,Re));de=de.mul(Te).add(o(ge))}else de=de.mul(le),de=de.add(o(ge))}return de.unsigned=q,de}e.fromString=l;function c(C,q){return typeof C=="number"?o(C,q):typeof C=="string"?l(C,q):i(C.low,C.high,typeof q=="boolean"?q:C.unsigned)}e.fromValue=c;var p=65536,h=1<<24,d=p*p,m=d*d,y=m/2,b=s(h),x=s(0);e.ZERO=x;var T=s(0,!0);e.UZERO=T;var $=s(1);e.ONE=$;var F=s(1,!0);e.UONE=F;var M=s(-1);e.NEG_ONE=M;var U=i(-1,2147483647,!1);e.MAX_VALUE=U;var X=i(-1,-1,!0);e.MAX_UNSIGNED_VALUE=X;var z=i(0,-2147483648,!1);e.MIN_VALUE=z;var L=e.prototype;return L.toInt=function(){return this.unsigned?this.low>>>0:this.low},L.toNumber=function(){return this.unsigned?(this.high>>>0)*d+(this.low>>>0):this.high*d+(this.low>>>0)},L.toString=function(C){if(C=C||10,C<2||36<C)throw RangeError("radix");if(this.isZero())return"0";if(this.isNegative())if(this.eq(z)){var q=o(C),ee=this.div(q),te=ee.mul(q).sub(this);return ee.toString(C)+te.toInt().toString(C)}else return"-"+this.neg().toString(C);for(var le=o(u(C,6),this.unsigned),de=this,fe="";;){var Re=de.div(le),ge=de.sub(Re.mul(le)).toInt()>>>0,Te=ge.toString(C);if(de=Re,de.isZero())return Te+fe;for(;Te.length<6;)Te="0"+Te;fe=""+Te+fe}},L.getHighBits=function(){return this.high},L.getHighBitsUnsigned=function(){return this.high>>>0},L.getLowBits=function(){return this.low},L.getLowBitsUnsigned=function(){return this.low>>>0},L.getNumBitsAbs=function(){if(this.isNegative())return this.eq(z)?64:this.neg().getNumBitsAbs();for(var C=this.high!=0?this.high:this.low,q=31;q>0&&(C&1<<q)==0;q--);return this.high!=0?q+33:q+1},L.isZero=function(){return this.high===0&&this.low===0},L.eqz=L.isZero,L.isNegative=function(){return!this.unsigned&&this.high<0},L.isPositive=function(){return this.unsigned||this.high>=0},L.isOdd=function(){return(this.low&1)===1},L.isEven=function(){return(this.low&1)===0},L.equals=function(C){return t(C)||(C=c(C)),this.unsigned!==C.unsigned&&this.high>>>31===1&&C.high>>>31===1?!1:this.high===C.high&&this.low===C.low},L.eq=L.equals,L.notEquals=function(C){return!this.eq(C)},L.neq=L.notEquals,L.ne=L.notEquals,L.lessThan=function(C){return this.comp(C)<0},L.lt=L.lessThan,L.lessThanOrEqual=function(C){return this.comp(C)<=0},L.lte=L.lessThanOrEqual,L.le=L.lessThanOrEqual,L.greaterThan=function(C){return this.comp(C)>0},L.gt=L.greaterThan,L.greaterThanOrEqual=function(C){return this.comp(C)>=0},L.gte=L.greaterThanOrEqual,L.ge=L.greaterThanOrEqual,L.compare=function(C){if(t(C)||(C=c(C)),this.eq(C))return 0;var q=this.isNegative(),ee=C.isNegative();return q&&!ee?-1:!q&&ee?1:this.unsigned?C.high>>>0>this.high>>>0||C.high===this.high&&C.low>>>0>this.low>>>0?-1:1:this.sub(C).isNegative()?-1:1},L.comp=L.compare,L.negate=function(){return!this.unsigned&&this.eq(z)?z:this.not().add($)},L.neg=L.negate,L.add=function(C){t(C)||(C=c(C));var q=this.high>>>16,ee=this.high&65535,te=this.low>>>16,le=this.low&65535,de=C.high>>>16,fe=C.high&65535,Re=C.low>>>16,ge=C.low&65535,Te=0,We=0,Ne=0,Ye=0;return Ye+=le+ge,Ne+=Ye>>>16,Ye&=65535,Ne+=te+Re,We+=Ne>>>16,Ne&=65535,We+=ee+fe,Te+=We>>>16,We&=65535,Te+=q+de,Te&=65535,i(Ne<<16|Ye,Te<<16|We,this.unsigned)},L.subtract=function(C){return t(C)||(C=c(C)),this.add(C.neg())},L.sub=L.subtract,L.multiply=function(C){if(this.isZero())return x;if(t(C)||(C=c(C)),n){var q=n.mul(this.low,this.high,C.low,C.high);return i(q,n.get_high(),this.unsigned)}if(C.isZero())return x;if(this.eq(z))return C.isOdd()?z:x;if(C.eq(z))return this.isOdd()?z:x;if(this.isNegative())return C.isNegative()?this.neg().mul(C.neg()):this.neg().mul(C).neg();if(C.isNegative())return this.mul(C.neg()).neg();if(this.lt(b)&&C.lt(b))return o(this.toNumber()*C.toNumber(),this.unsigned);var ee=this.high>>>16,te=this.high&65535,le=this.low>>>16,de=this.low&65535,fe=C.high>>>16,Re=C.high&65535,ge=C.low>>>16,Te=C.low&65535,We=0,Ne=0,Ye=0,Vt=0;return Vt+=de*Te,Ye+=Vt>>>16,Vt&=65535,Ye+=le*Te,Ne+=Ye>>>16,Ye&=65535,Ye+=de*ge,Ne+=Ye>>>16,Ye&=65535,Ne+=te*Te,We+=Ne>>>16,Ne&=65535,Ne+=le*ge,We+=Ne>>>16,Ne&=65535,Ne+=de*Re,We+=Ne>>>16,Ne&=65535,We+=ee*Te+te*ge+le*Re+de*fe,We&=65535,i(Ye<<16|Vt,We<<16|Ne,this.unsigned)},L.mul=L.multiply,L.divide=function(C){if(t(C)||(C=c(C)),C.isZero())throw Error("division by zero");if(n){if(!this.unsigned&&this.high===-2147483648&&C.low===-1&&C.high===-1)return this;var q=(this.unsigned?n.div_u:n.div_s)(this.low,this.high,C.low,C.high);return i(q,n.get_high(),this.unsigned)}if(this.isZero())return this.unsigned?T:x;var ee,te,le;if(this.unsigned){if(C.unsigned||(C=C.toUnsigned()),C.gt(this))return T;if(C.gt(this.shru(1)))return F;le=T}else{if(this.eq(z)){if(C.eq($)||C.eq(M))return z;if(C.eq(z))return $;var de=this.shr(1);return ee=de.div(C).shl(1),ee.eq(x)?C.isNegative()?$:M:(te=this.sub(C.mul(ee)),le=ee.add(te.div(C)),le)}else if(C.eq(z))return this.unsigned?T:x;if(this.isNegative())return C.isNegative()?this.neg().div(C.neg()):this.neg().div(C).neg();if(C.isNegative())return this.div(C.neg()).neg();le=x}for(te=this;te.gte(C);){ee=Math.max(1,Math.floor(te.toNumber()/C.toNumber()));for(var fe=Math.ceil(Math.log(ee)/Math.LN2),Re=fe<=48?1:u(2,fe-48),ge=o(ee),Te=ge.mul(C);Te.isNegative()||Te.gt(te);)ee-=Re,ge=o(ee,this.unsigned),Te=ge.mul(C);ge.isZero()&&(ge=$),le=le.add(ge),te=te.sub(Te)}return le},L.div=L.divide,L.modulo=function(C){if(t(C)||(C=c(C)),n){var q=(this.unsigned?n.rem_u:n.rem_s)(this.low,this.high,C.low,C.high);return i(q,n.get_high(),this.unsigned)}return this.sub(this.div(C).mul(C))},L.mod=L.modulo,L.rem=L.modulo,L.not=function(){return i(~this.low,~this.high,this.unsigned)},L.and=function(C){return t(C)||(C=c(C)),i(this.low&C.low,this.high&C.high,this.unsigned)},L.or=function(C){return t(C)||(C=c(C)),i(this.low|C.low,this.high|C.high,this.unsigned)},L.xor=function(C){return t(C)||(C=c(C)),i(this.low^C.low,this.high^C.high,this.unsigned)},L.shiftLeft=function(C){return t(C)&&(C=C.toInt()),(C&=63)===0?this:C<32?i(this.low<<C,this.high<<C|this.low>>>32-C,this.unsigned):i(0,this.low<<C-32,this.unsigned)},L.shl=L.shiftLeft,L.shiftRight=function(C){return t(C)&&(C=C.toInt()),(C&=63)===0?this:C<32?i(this.low>>>C|this.high<<32-C,this.high>>C,this.unsigned):i(this.high>>C-32,this.high>=0?0:-1,this.unsigned)}

108,L.shr=L.shiftRight,L.shiftRightUnsigned=function(C){if(t(C)&&(C=C.toInt()),C&=63,C===0)return this;var q=this.high;if(C<32){var ee=this.low;return i(ee>>>C|q<<32-C,q>>>C,this.unsigned)}else return C===32?i(q,0,this.unsigned):i(q>>>C-32,0,this.unsigned)},L.shru=L.shiftRightUnsigned,L.shr_u=L.shiftRightUnsigned,L.toSigned=function(){return this.unsigned?i(this.low,this.high,!1):this},L.toUnsigned=function(){return this.unsigned?this:i(this.low,this.high,!0)},L.toBytes=function(C){return C?this.toBytesLE():this.toBytesBE()},L.toBytesLE=function(){var C=this.high,q=this.low;return[q&255,q>>>8&255,q>>>16&255,q>>>24,C&255,C>>>8&255,C>>>16&255,C>>>24]},L.toBytesBE=function(){var C=this.high,q=this.low;return[C>>>24,C>>>16&255,C>>>8&255,C&255,q>>>24,q>>>16&255,q>>>8&255,q&255]},e.fromBytes=function(C,q,ee){return ee?e.fromBytesLE(C,q):e.fromBytesBE(C,q)},e.fromBytesLE=function(C,q){return new e(C[0]|C[1]<<8|C[2]<<16|C[3]<<24,C[4]|C[5]<<8|C[6]<<16|C[7]<<24,q)},e.fromBytesBE=function(C,q){return new e(C[4]<<24|C[5]<<16|C[6]<<8|C[7],C[0]<<24|C[1]<<16|C[2]<<8|C[3],q)},ei}var _d=W2();const Ad=s2(_d),z2=l2({__proto__:null,default:Ad},[_d]);/**
109 * @license
110 * Copyright 2021 Google LLC. All Rights Reserved.
111 * Licensed under the Apache License, Version 2.0 (the "License");
112 * you may not use this file except in compliance with the License.
113 * You may obtain a copy of the License at
114 *
115 * http://www.apache.org/licenses/LICENSE-2.0
116 *
117 * Unless required by applicable law or agreed to in writing, software
118 * distributed under the License is distributed on an "AS IS" BASIS,
119 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
120 * See the License for the specific language governing permissions and
121 * limitations under the License.
122 * =============================================================================
123 */const kr=Ad||z2;function wo(n){return kr.fromString(n,!0,16)}const Od=wo("c3a5c85c97cb3127"),Sr=wo("b492b66fbe98f273"),dt=wo("9ae16a3b2f90404f");function Di(n){return n.xor(n.shru(47))}function Fd(n,e,t){const r=n.slice(e,e+t);return kr.fromBytes(Array.from(r),!0,!0)}function Le(n,e){return Fd(n,e,8)}function kl(n,e){return Fd(n,e,4)}function nt(n,e){return e===0?n:n.shru(e).or(n.shl(64-e))}function Zn(n,e,t=wo("9ddfea08eb382d69")){let r=n.xor(e).mul(t);r=r.xor(r.shru(47));let a=e.xor(r).mul(t);return a=a.xor(a.shru(47)),a=a.mul(t),a}function G2(n,e,t,r,a,s){a=a.add(n),s=nt(s.add(a).add(r),21);const o=a;return a=a.add(e),a=a.add(t),s=s.add(nt(a,44)),[a.add(r),s.add(o)]}function Vs(n,e,t,r){return G2(Le(n,e),Le(n,e+8),Le(n,e+16),Le(n,e+24),t,r)}function j2(n,e=n.length){if(e>=8){const t=dt.add(e*2),r=Le(n,0).add(dt),a=Le(n,e-8),s=nt(a,37).mul(t).add(r),o=nt(r,25).add(a).mul(t);return Zn(s,o,t)}if(e>=4){const t=dt.add(e*2),r=kl(n,0);return Zn(r.shl(3).add(e),kl(n,e-4),t)}if(e>0){const t=n[0],r=n[e>>1],a=n[e-1],s=t+(r<<8),o=e+(a<<2);return Di(dt.mul(s).xor(Od.mul(o))).mul(dt)}return dt}function H2(n,e=n.length){const t=dt.add(e*2),r=Le(n,0).mul(Sr),a=Le(n,8),s=Le(n,e-8).mul(t),o=Le(n,e-16).mul(dt);return Zn(nt(r.add(a),43).add(nt(s,30)).add(o),r.add(nt(a.add(dt),18)).add(s),t)}function X2(n,e=n.length){const t=dt.add(e*2),r=Le(n,0).mul(dt),a=Le(n,8),s=Le(n,e-8).mul(t),o=Le(n,e-16).mul(dt),i=nt(r.add(a),43).add(nt(s,30)).add(o),u=Zn(i,r.add(nt(a.add(dt),18)).add(s),t),l=Le(n,16).mul(t),c=Le(n,24),p=i.add(Le(n,e-32)).mul(t),h=u.add(Le(n,e-24)).mul(t);return Zn(nt(l.add(c),43).add(nt(p,30)).add(h),l.add(nt(c.add(r),18)).add(p),t)}function q2(n,e=n.length){const t=kr.fromNumber(81,!0);if(e<=32)return e<=16?j2(n,e):H2(n,e);if(e<=64)return X2(n,e);let r=t,a=t.mul(Sr).add(113),s=Di(a.mul(dt).add(113)).mul(dt),o=[kr.UZERO,kr.UZERO],i=[kr.UZERO,kr.UZERO];r=r.mul(dt).add(Le(n,0));let u=0;const l=(e-1>>6)*64,c=l+(e-1&63)-63;do r=nt(r.add(a).add(o[0]).add(Le(n,u+8)),37).mul(Sr),a=nt(a.add(o[1]).add(Le(n,u+48)),42).mul(Sr),r=r.xor(i[1]),a=a.add(o[0]).add(Le(n,u+40)),s=nt(s.add(i[0]),33).mul(Sr),o=Vs(n,u,o[1].mul(Sr),r.add(i[0])),i=Vs(n,u+32,s.add(i[1]),a.add(Le(n,u+16))),[s,r]=[r,s],u+=64;while(u!==l);const p=Sr.add(s.and(255).shl(1));return u=c,i[0]=i[0].add(e-1&63),o[0]=o[0].add(i[0]),i[0]=i[0].add(o[0]),r=nt(r.add(a).add(o[0]).add(Le(n,u+8)),37).mul(p),a=nt(a.add(o[1]).add(Le(n,u+48)),42).mul(p),r=r.xor(i[1].mul(9)),a=a.add(o[0].mul(9).add(Le(n,u+40))),s=nt(s.add(i[0]),33).mul(p),o=Vs(n,u,o[1].mul(p),r.add(i[0])),i=Vs(n,u+32,s.add(i[1]),a.add(Le(n,u+16))),[s,r]=[r,s],Zn(Zn(o[0],i[0],p).add(Di(a).mul(Od)).add(s),Zn(o[1],i[1],p).add(r),p)}/**
124 * @license
125 * Copyright 2017 Google LLC. All Rights Reserved.
126 * Licensed under the Apache License, Version 2.0 (the "License");

127 * you may not use this file except in compliance with the License.
128 * You may obtain a copy of the License at
129 *
130 * http://www.apache.org/licenses/LICENSE-2.0
131 *
132 * Unless required by applicable law or agreed to in writing, software
133 * distributed under the License is distributed on an "AS IS" BASIS,
134 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
135 * See the License for the specific language governing permissions and
136 * limitations under the License.
137 * =============================================================================
138 */function ya(n,e){return e==="string"?Nr(n):So([n],e)}function K2(n,e){return n instanceof Float32Array&&e==="float32"||n instanceof Int32Array&&e==="int32"||n instanceof Uint8Array&&e==="bool"}function So(n,e){if(e==="string")throw new Error("Cannot convert a string[] to a TypedArray");if(Array.isArray(n)&&(n=ia(n)),H().getBool("DEBUG")&&y2(n,e),K2(n,e))return n;if(e==null||e==="float32"||e==="complex64")return new Float32Array(n);if(e==="int32")return new Int32Array(n);if(e==="bool"){const t=new Uint8Array(n.length);for(let r=0;r<t.length;++r)Math.round(n[r])!==0&&(t[r]=1);return t}else throw new Error(`Unknown data type ${e}`)}function an(){return H().platform.now()}function Nr(n,e="utf-8"){return e=e||"utf-8",H().platform.encode(n,e)}function ca(n,e="utf-8"){return e=e||"utf-8",H().platform.decode(n,e)}/**
139 * @license
140 * Copyright 2018 Google LLC. All Rights Reserved.
141 * Licensed under the Apache License, Version 2.0 (the "License");
142 * you may not use this file except in compliance with the License.
143 * You may obtain a copy of the License at
144 *
145 * http://www.apache.org/licenses/LICENSE-2.0
146 *
147 * Unless required by applicable law or agreed to in writing, software
148 * distributed under the License is distributed on an "AS IS" BASIS,
149 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
150 * See the License for the specific language governing permissions and
151 * limitations under the License.
152 * =============================================================================
153 */class Y2{constructor(e,t){this.backendTimer=e,this.logger=t,t==null&&(this.logger=new J2)}profileKernel(e,t,r){let a;const s=()=>{a=r()};let o;const i=an();if(this.backendTimer.timerAvailable())o=this.backendTimer.time(s);else{s();for(const u of a)u.dataSync();o=Promise.resolve({kernelMs:an()-i})}if(H().getBool("CHECK_COMPUTATION_FOR_ERRORS"))for(let u=0;u<a.length;u++){const l=a[u];l.data().then(c=>{Z2(c,l.dtype,e)})}return{kernelName:e,outputs:a,inputs:t,timeMs:o.then(u=>u.kernelMs),extraInfo:o.then(u=>u.getExtraProfileInfo!=null?u.getExtraProfileInfo():"")}}logKernelProfile(e){const{kernelName:t,outputs:r,timeMs:a,inputs:s,extraInfo:o}=e;r.forEach(i=>{Promise.all([i.data(),a,o]).then(u=>{this.logger.logKernelProfile(t,i,u[0],u[1],s,u[2])})})}}function Z2(n,e,t){if(e!=="float32")return!1;for(let r=0;r<n.length;r++){const a=n[r];if(isNaN(a)||!isFinite(a))return console.warn(`Found ${a} in the result of '${t}'`),!0}return!1}class J2{logKernelProfile(e,t,r,a,s,o){const i=typeof a=="number"?ra(`${a}ms`,9):a.error,u=ra(e,25),l=t.rank,c=t.size,p=ra(t.shape.toString(),14);let h="";for(const d in s){const m=s[d];if(m!=null){const y=m.shape||t.shape,b=y.length;h+=`${d}: ${b}D ${b>0?y:""} `}}console.log(`%c${u}	%c${i}	%c${l}D ${p}	%c${c}	%c${h}	%c${o}`,"font-weight:bold","color:red","color:blue","color: orange","color: green","color: steelblue")}}/**
154 * @license
155 * Copyright 2017 Google LLC. All Rights Reserved.
156 * Licensed under the Apache License, Version 2.0 (the "License");
157 * you may not use this file except in compliance with the License.
158 * You may obtain a copy of the License at
159 *
160 * http://www.apache.org/licenses/LICENSE-2.0
161 *
162 * Unless required by applicable law or agreed to in writing, software
163 * distributed under the License is distributed on an "AS IS" BASIS,
164 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
165 * See the License for the specific language governing permissions and
166 * limitations under the License.
167 * =============================================================================
168 */function Q2(n,e,t){const r={},a={};for(let u=0;u<e.length;u++)r[e[u].id]=!0;for(let u=0;u<n.length;u++){const l=n[u],c=l.inputs;for(const p in c){const h=c[p];let d=!1;for(let m=0;m<e.length;

168m++)if(r[h.id]){l.outputs.forEach(y=>r[y.id]=!0),d=!0,a[l.id]=!0;break}if(d)break}}const s={};s[t.id]=!0;const o={};for(let u=n.length-1;u>=0;u--){const l=n[u],c=l.inputs;for(let p=0;p<l.outputs.length;p++)if(s[l.outputs[p].id]){for(const h in c)s[c[h].id]=!0,o[l.id]=!0;break}}const i=[];for(let u=0;u<n.length;u++){const l=n[u];if(a[l.id]&&o[l.id]){const c={};for(const h in l.inputs){const d=l.inputs[h];r[d.id]&&(c[h]=d)}const p=Object.assign({},l);p.inputs=c,p.outputs=l.outputs,i.push(p)}}return i}function eg(n,e,t,r){for(let a=e.length-1;a>=0;a--){const s=e[a],o=[];if(s.outputs.forEach(u=>{const l=n[u.id];l!=null?o.push(l):o.push(null)}),s.gradient==null)throw new Error(`Cannot compute gradient: gradient function not found for ${s.kernelName}.`);const i=s.gradient(o);for(const u in s.inputs){if(!(u in i))throw new Error(`Cannot backprop through input ${u}. Available gradients found: ${Object.keys(i)}.`);const l=t(()=>i[u]());if(l.dtype!=="float32")throw new Error(`Error in gradient for op ${s.kernelName}. The gradient of input ${u} must have 'float32' dtype, but has '${l.dtype}'`);const c=s.inputs[u];if(!qe(l.shape,c.shape))throw new Error(`Error in gradient for op ${s.kernelName}. The gradient of input '${u}' has shape '${l.shape}', which does not match the shape of the input '${c.shape}'`);if(n[c.id]==null)n[c.id]=l;else{const p=n[c.id];n[c.id]=r(p,l),p.dispose()}}}}/**
169 * @license
170 * Copyright 2018 Google LLC. All Rights Reserved.
171 * Licensed under the Apache License, Version 2.0 (the "License");
172 * you may not use this file except in compliance with the License.
173 * You may obtain a copy of the License at
174 *
175 * http://www.apache.org/licenses/LICENSE-2.0
176 *
177 * Unless required by applicable law or agreed to in writing, software
178 * distributed under the License is distributed on an "AS IS" BASIS,
179 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
180 * See the License for the specific language governing permissions and
181 * limitations under the License.
182 * =============================================================================
183 */const Tl=20,Xa=3,ti=7;function tg(n,e,t,r){const a=ot(e),s=ng(n,e,t,a),o=e.length,i=Ys(n,e,t,a,s),u=["Tensor"];return r&&(u.push(`  dtype: ${t}`),u.push(`  rank: ${o}`),u.push(`  shape: [${e}]`),u.push("  values:")),u.push(i.map(l=>"    "+l).join(`
184`)),u.join(`
185`)}function ng(n,e,t,r){const a=ae(e),s=r[r.length-1],o=new Array(s).fill(0),i=e.length,u=t==="complex64"?Ya(n):n;if(i>1)for(let l=0;l<a/s;l++){const c=l*s;for(let p=0;p<s;p++)o[p]=Math.max(o[p],Ka(u[c+p],0,t).length)}return o}function Ka(n,e,t){let r;return Array.isArray(n)?r=`${parseFloat(n[0].toFixed(ti))} + ${parseFloat(n[1].toFixed(ti))}j`:bo(n)?r=`'${n}'`:t==="bool"?r=Dd(n):r=parseFloat(n.toFixed(ti)).toString(),ra(r,e)}function Dd(n){return n===0?"false":"true"}function Ys(n,e,t,r,a,s=!0){const o=t==="complex64"?2:1,i=e[0],u=e.length;if(u===0){if(t==="complex64"){const y=Ya(n);return[Ka(y[0],0,t)]}return t==="bool"?[Dd(n[0])]:[n[0].toString()]}if(u===1){if(i>Tl){const y=Xa*o;let b=Array.from(n.slice(0,y)),x=Array.from(n.slice((i-Xa)*o,i*o));return t==="complex64"&&(b=Ya(b),x=Ya(x)),["["+b.map((T,$)=>Ka(T,a[$],t)).join(", ")+", ..., "+x.map((T,$)=>Ka(T,a[i-Xa+$],t)).join(", ")+"]"]}return["["+(t==="complex64"?Ya(n):Array.from(n)).map((y,b)=>Ka(y,a[b],t)).join(", ")+"]"]}const l=e.slice(1),c=r.slice(1),p=r[0]*o,h=[];if(i>Tl){for(let y=0;y<Xa;y++){const b=y*p,x=b+p;h.push(...Ys(n.slice(b,x),l,t,c,a,!1))}h.push("...");for(let y=i-Xa;y<i;y++){const b=y*p,x=b+p;h.push(...Ys(n.slice(b,x),l,t,c,a,y===i-1))}}else for(let y=0;y<i;y++){const b=y*p,x=b+p;h.push(...Ys(n.slice(b,x),l,t,c,a,y===i-1))}const d=u===2?",":"";h[0]="["+h[0]+d;for(let y=1;y<h.length-1;y++)h[y]=" "+h[y]+d;let m=`,
186`;for(let y=2;y<u;y++)m+=`
187`;return h[h.length-1]=" "+h[h.length-1]+"]"+(s?"":m),h}function Ya(n){const e=[];for(let t=0;t<n.length;t+=2)e.push([n[t],n[t+1]]);return e}/**
188 * @license
189 * Copyright 2017 Google LLC. All Rights Reserved.
190 * Licensed under the Apache License, Version 2.0 (the "License");
191 * you may not use this file except in compliance with the License.
192 * You may obtain a copy of the License at
193 *
194 * http://www.apache.org/licenses/LICENSE-2.0
195 *
196 * Unless required by applicable law or agreed to in writing, software
197 * distributed under the License is distributed on an "AS IS" BASIS,
198 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
199 * See the License for the specific language governing permissions and
200 * limitations under the License.
201 * =============================================================================
202 */class ts{constructor(e,t,r){if(this.dtype=t,this.shape=e.slice(),this.size=ae(e),r!=null){const a=r.length;R(a===this.size,()=>`Length of values '${a}' does not match the size inferred by the shape '${this.size}'.`)}if(t==="complex64")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=r||kt(t,this.size),this.strides=ot(e)}set(e,...t){t.length===0&&(t=[0]),R(t.length===this.rank,()=>`The number of provided coordinates (${t.length}) must match the rank (${this.rank})`);const r=this.locToIndex(t);this.values[r]=e}get(...e){e.length===0&&(e=[0]);let t=0;for(const a of e){if(a<0||a>=this.shape[t]){const s=`Requested out of range element at ${e}.   Buffer shape=${this.shape}`;throw new Error(s)}t++}let r=e[e.length-1];for(let a=0;a<e.length-1;++a)r+=this.strides[a]*e[a];return this.values[r]}locToIndex(e){if(this.rank===0)return 0;if(this.rank===1)return e[0];let t=e[e.length-1];for(let r=0;r<e.length-1;++r)t+=this.strides[r]*e[r];return t}indexToLoc(e){if(this.rank===0)return[];if(this.rank===1)return[e];const t=new Array(this.shape.length);for(let r=0;r<t.length-1;++r)t[r]=Math.floor(e/this.strides[r]),e-=t[r]*this.strides[r];return t[t.length-1]=e,t}get rank(){return this.shape.length}toTensor(){return sn().makeTensor(this.values,this.shape,this.dtype)}}let sn=null,ta=null;function rg(n){sn=n}function ag(n){ta=n}class Ge{constructor(e,t,r,a){this.kept=!1,this.isDisposedInternal=!1,this.shape=e.slice(),this.dtype=t||"float32",this.size=ae(e),this.strides=ot(e),this.dataId=r,this.id=a,this.rankType=this.rank<5?this.rank.toString():"higher"}get rank(){return this.shape.length}async buffer(){const e=await this.data();return ta.buffer(this.shape,this.dtype,e)}bufferSync(){return ta.buffer(this.shape,this.dtype,this.dataSync())}async array(){const e=await this.data();return Ni(this.shape,e,this.dtype==="complex64")}arraySync(){return Ni(this.shape,this.dataSync(),this.dtype==="complex64")}async data(){this.throwIfDisposed();const e=sn().read(this.dataId);if(this.dtype==="string"){const t=await e;try{return t.map(r=>ca(r))}catch{throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}}return e}dataToGPU(e){return this.throwIfDisposed(),sn().readToGPU(this.dataId,e)}dataSync(){this.throwIfDisposed();const e=sn().readSync(this.dataId);if(this.dtype==="string")try{return e.map(t=>ca(t))}catch{throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}return e}async bytes(){this.throwIfDisposed();const e=await sn().read(this.dataId);return this.dtype==="string"?e:new Uint8Array(e.buffer)}dispose(){this.isDisposed||(sn().disposeTensor(this),this.isDisposedInternal=!0)}get isDisposed(){return this.isDisposedInternal}throwIfDisposed(){if(this.isDisposed)throw new Error("Tensor is disposed.")}print(e=!1){return ta.print(this,e)}clone(){return this.throwIfDisposed(),ta.clone(this)}toString(e=!1){const t=this.dataSync();return tg(t,this.shape,this.dtype,e)}cast(e){return this.throwIfDisposed(),ta.cast(this,e)}variable(e=!0,t,r){return this.throwIfDisposed(),sn().makeVariable(this,e,t,r)}}Object.defineProperty(Ge,Symbol.hasInstance,{value:n=>!!n&&n.data!=null&&n.dataSync!=null&&n.throwIfDisposed!=null});function sg(){return Eu("Tensor",()=>Ge)}sg();class Mi extends Ge{constructor(e,t,r,a){super(e.shape,e.dtype,e.dataId,a),this.trainable=t,this.name=r}assign(e){if(e.dtype!==this.dtype)throw new Error(`dtype of the new value (${e.dtype}) and previous value (${this.dtype}) must match`);if(!qe(e.shape,this.shape))throw new Error(`shape of the new value (${e.shape}) and previous value (${this.shape}) must match`);sn().disposeTensor(this),this.dataId=e.dataId,sn().incRef(this,null)}dispose(){sn().disposeVariable(this),this.isDisposedInternal=!0}}Object.defineProperty(Mi,Symbol.hasInstance,{value:n=>n instanceof Ge&&n.assign!=null&&n.assign instanceof Function});/**
203 * @license
204 * Copyright 2017 Google LLC. All Rights Reserved.
205 * Licensed under the Apache License, Version 2.0 (the "License");

206 * you may not use this file except in compliance with the License.
207 * You may obtain a copy of the License at
208 *
209 * http://www.apache.org/licenses/LICENSE-2.0
210 *
211 * Unless required by applicable law or agreed to in writing, software
212 * distributed under the License is distributed on an "AS IS" BASIS,
213 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
214 * See the License for the specific language governing permissions and
215 * limitations under the License.
216 * =============================================================================
217 */var El;(function(n){n.R0="R0",n.R1="R1",n.R2="R2",n.R3="R3",n.R4="R4",n.R5="R5",n.R6="R6"})(El||(El={}));var Li;(function(n){n.float32="float32",n.int32="int32",n.bool="int32",n.complex64="complex64"})(Li||(Li={}));var Pi;(function(n){n.float32="float32",n.int32="int32",n.bool="bool",n.complex64="complex64"})(Pi||(Pi={}));var Bi;(function(n){n.float32="float32",n.int32="float32",n.bool="float32",n.complex64="complex64"})(Bi||(Bi={}));var Ui;(function(n){n.float32="complex64",n.int32="complex64",n.bool="complex64",n.complex64="complex64"})(Ui||(Ui={}));const og={float32:Bi,int32:Li,bool:Pi,complex64:Ui};function Sn(n,e){if(n==="string"||e==="string"){if(n==="string"&&e==="string")return"string";throw new Error(`Can not upcast ${n} with ${e}`)}return og[n][e]}function Ru(n){return Sn(n,"int32")}/**
218 * @license
219 * Copyright 2018 Google LLC. All Rights Reserved.
220 * Licensed under the Apache License, Version 2.0 (the "License");
221 * you may not use this file except in compliance with the License.
222 * You may obtain a copy of the License at
223 *
224 * http://www.apache.org/licenses/LICENSE-2.0
225 *
226 * Unless required by applicable law or agreed to in writing, software
227 * distributed under the License is distributed on an "AS IS" BASIS,
228 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
229 * See the License for the specific language governing permissions and
230 * limitations under the License.
231 * =============================================================================
232 */function Ke(n,e){if(n.dtype===e.dtype)return[n,e];const t=Sn(n.dtype,e.dtype);return[n.cast(t),e.cast(t)]}function ig(n,e){R(n.dtype===e.dtype,()=>`The dtypes of the first(${n.dtype}) and second(${e.dtype}) input must match`)}function Md(n){const e=[];return Ld(n,e,new Set),e}function Ld(n,e,t){if(n==null)return;if(n instanceof Ge){e.push(n);return}if(!ug(n))return;const r=n;for(const a in r){const s=r[a];t.has(s)||(t.add(s),Ld(s,e,t))}}function ug(n){return Array.isArray(n)||typeof n=="object"}/**
233 * @license
234 * Copyright 2018 Google LLC. All Rights Reserved.
235 * Licensed under the Apache License, Version 2.0 (the "License");
236 * you may not use this file except in compliance with the License.
237 * You may obtain a copy of the License at
238 *
239 * http://www.apache.org/licenses/LICENSE-2.0
240 *
241 * Unless required by applicable law or agreed to in writing, software
242 * distributed under the License is distributed on an "AS IS" BASIS,
243 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
244 * See the License for the specific language governing permissions and
245 * limitations under the License.
246 * =============================================================================
247 */function ni(n){return n.kernelName!=null}class Cl{constructor(){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(e=>e.name)))}}}dispose(){for(const e in this.registeredVariables)this.registeredVariables[e].dispose()}}class pa{constructor(e){this.ENV=e,this.registry={},this.registryFactory={},this.pendingBackendInitId=0,this.state=new Cl}async ready(){if(this.pendingBackendInit!=null)return this.pendingBackendInit.then(()=>{});if(this.backendInstance!=null)return;const e=this.getSortedBackends();for(let t=0;t<e.length;t++){const r=e[t];if(await this.initializeBackend(r).success){await this.setBackend(r);return}}throw new Error("Could not initialize any backends, all backend initializations failed.")}

247get backend(){if(this.pendingBackendInit!=null)throw new Error(`Backend '${this.backendName}' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods`);if(this.backendInstance==null){const{name:e,asyncInit:t}=this.initializeBackendsAndReturnBest();if(t)throw new Error(`The highest priority backend '${e}' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods`);this.setBackend(e)}return this.backendInstance}backendNames(){return Object.keys(this.registryFactory)}findBackend(e){if(!(e in this.registry))if(e in this.registryFactory){const{asyncInit:t}=this.initializeBackend(e);if(t)return null}else return null;return this.registry[e]}findBackendFactory(e){return e in this.registryFactory?this.registryFactory[e].factory:null}registerBackend(e,t,r=1){return e in this.registryFactory?(ln(`${e} backend was already registered. Reusing existing backend factory.`),!1):(this.registryFactory[e]={factory:t,priority:r},!0)}async setBackend(e){if(this.registryFactory[e]==null)throw new Error(`Backend name '${e}' not found in registry`);if(this.backendName=e,this.registry[e]==null){this.backendInstance=null;const{success:t,asyncInit:r}=this.initializeBackend(e);if(!(r?await t:t))return!1}return this.backendInstance=this.registry[e],this.setupRegisteredKernels(),this.profiler=new Y2(this.backendInstance),!0}setupRegisteredKernels(){wl(this.backendName).forEach(e=>{e.setupFunc!=null&&e.setupFunc(this.backendInstance)})}disposeRegisteredKernels(e){wl(e).forEach(t=>{t.disposeFunc!=null&&t.disposeFunc(this.registry[e])})}initializeBackend(e){const t=this.registryFactory[e];if(t==null)throw new Error(`Cannot initialize backend ${e}, no registration found.`);try{const r=t.factory();if(r&&!(r instanceof Bc)&&typeof r.then=="function"){const a=++this.pendingBackendInitId,s=r.then(o=>a<this.pendingBackendInitId?!1:(this.registry[e]=o,this.pendingBackendInit=null,!0)).catch(o=>(a<this.pendingBackendInitId||(this.pendingBackendInit=null,ln(`Initialization of backend ${e} failed`),ln(o.stack||o.message)),!1));return this.pendingBackendInit=s,{success:s,asyncInit:!0}}else return this.registry[e]=r,{success:!0,asyncInit:!1}}catch(r){return ln(`Initialization of backend ${e} failed`),ln(r.stack||r.message),{success:!1,asyncInit:!1}}}removeBackend(e){if(!(e in this.registryFactory))throw new Error(`${e} backend not found in registry`);this.backendName===e&&this.pendingBackendInit!=null&&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)}getSortedBackends(){if(Object.keys(this.registryFactory).length===0)throw new Error("No backend found in registry.");return Object.keys(this.registryFactory).sort((e,t)=>this.registryFactory[t].priority-this.registryFactory[e].priority)}initializeBackendsAndReturnBest(){const e=this.getSortedBackends();for(let t=0;t<e.length;t++){const r=e[t],{success:a,asyncInit:s}=this.initializeBackend(r);if(s||a)return{name:r,asyncInit:s}}throw new Error("Could not initialize any backends, all backend initializations failed.")}moveData(e,t){const r=this.state.tensorInfo.get(t),a=r.backend,s=this.readSync(t),o=a.refCount(t);a.disposeData(t,!0),r.backend=e,e.move(t,s,r.shape,r.dtype,o),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++}tidy(e,t){let r=null;if(t==null){if(typeof e!="function")throw new Error("Please provide a function to tidy()");t=e}else{if(typeof e!="string"&&!(e instanceof String))throw new Error("When calling with two arguments, the first argument to tidy() must be a string");if(typeof t!="function")throw new Error("When calling with two arguments, the 2nd argument to tidy() must be a function");r=e}let a;return this.scopedRun(()=>this.startScope(r),()=>this.endScope(a),()=>(a=t(),a instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),a))}scopedRun(e,t,r){e();try{const a=r();return t(),a}catch(a){throw t(),a}}nextTensorId(){return pa.nextTensorId++}nextVariableId(){return pa.nextVariableId++}clone(e){const t=V.runKernel(Nu,{x:e}),r={x:e},a=o=>({x:()=>{const i="float32",u={x:o},l={dtype:i};return V.runKernel(Iu,u,l)}}),s=[];return this.addTapeNode(this.state.activeScope.name,r,[t],a,s,{}),t}runKernel(e,t,r){if(this.backendName==null&&this.backend,Fi(e,this.backendName)==null)throw new Error(`Kernel '${e}' not registered for backend '${this.backendName}'`);return this.runKernelFunc({kernelName:e,inputs:t,attrs:r})}shouldCheckForMemLeaks(){return this.ENV.getBool("IS_TEST")}checkKernelForMemLeak(e,t,r){const a=this.backend.numDataIds();let s=0;r.forEach(u=>{s+=u.dtype==="complex64"?3:1});const o=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],i=a-t-s-o;if(i>0)throw new Error(`Backend '${this.backendName}' has an internal memory leak (${i} data ids) after running '${e}'`)}runKernelFunc(e){let t,r=[];const a=this.isTapeOn(),s=this.state.numBytes,o=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);let i;this.backendName==null&&this.backend;let u;const l=ni(e)?e.kernelName:this.state.activeScope!=null?this.state.activeScope.name:"";if(ni(e)){const{kernelName:m,inputs:y,attrs:b}=e;this.backendName==null&&this.backend;const x=Fi(m,this.backendName);R(x!=null,()=>`Cannot find registered kernel '${m}' for backend '${this.backendName}'`),i=()=>{const T=this.backend.numDataIds();u=x.kernelFunc({inputs:y,attrs:b,backend:this.backend});const $=Array.isArray(u)?u:[u];this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(m,T,$);const F=$.map(M=>M.rank!=null?M:this.makeTensorFromTensorInfo(M));if(a){const M=this.getTensorsForGradient(m,y,F);r=this.saveTensorsForBackwardMode(M)}return F}}else{const{forwardFunc:m}=e,y=b=>{a&&(r=b.map(x=>this.keep(this.clone(x))))};i=()=>{const b=this.backend.numDataIds();u=this.tidy(()=>m(this.backend,y));const x=Array.isArray(u)?u:[u];return this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(l,b,x),x}}const{inputs:c,attrs:p}=e,h=ni(e)?null:e.backwardsFunc;let d;return this.scopedRun(()=>this.state.kernelDepth++,()=>this.state.kernelDepth--,()=>{!this.ENV.getBool("DEBUG")&&!this.state.profiling?t=i():(d=this.profiler.profileKernel(l,c,()=>i()),this.ENV.getBool("DEBUG")&&this.profiler.logKernelProfile(d),t=d.outputs)}),a&&this.addTapeNode(l,c,t,h,r,p),this.state.profiling&&this.state.activeProfile.kernels.push({name:l,bytesAdded:this.state.numBytes-s,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-o,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(c).map(m=>c[m]!=null?c[m].shape:null),outputShapes:t.map(m=>m.shape),kernelTimeMs:d.timeMs,extraInfo:d.extraInfo}),Array.isArray(u)?t:t[0]}saveTensorsForBackwardMode(e){return e.map(t=>this.keep(this.clone(t)))}getTensorsForGradient(e,t,r){const a=vl(e);if(a!=null){const s=a.inputsToSave||[],o=a.outputsToSave||[];let i;a.saveAllInputs?(R(Array.isArray(t),()=>"saveAllInputs is true, expected inputs to be an array."),i=Object.keys(t).map(l=>t[l])):i=s.map(l=>t[l]);const u=r.filter((l,c)=>o[c]);return i.concat(u)}return[]}makeTensor(e,t,r,a){if(e==null)throw new Error("Values passed to engine.makeTensor() are null");r=r||"float32",a=a||this.backend;let s=e;r==="string"&&bo(e[0])&&(s=e.map(u=>Nr(u)));const o=a.write(s,t,r),i=new Ge(t,r,o,this.nextTensorId());if(this.trackTensor(i,a),r==="string"){const u=this.state.tensorInfo.get(o),l=v2(s);this.state.numBytes+=l-u.bytes,u.bytes=l}return i}makeTensorFromDataId(e,t,r,a){r=r||"float32";const s={dataId:e,shape:t,dtype:r};return this.makeTensorFromTensorInfo(s,a)}makeTensorFromTensorInfo(e,t){const{dataId:r,shape:a,dtype:s}=e,o=new Ge(a,s,r,this.nextTensorId());return this.trackTensor(o,t),o}makeVariable(e,t=!0,r,a){r=r||this.nextVariableId().toString(),a!=null&&a!==e.dtype&&(e=e.cast(a));const s=new Mi(e,t,r,this.nextTensorId());if(this.state.registeredVariables[s.name]!=null)throw new Error(`Variable with name ${s.name} was already registered`);return this.state.registeredVariables[s.name]=s,this.incRef(s,this.backend),s}trackTensor(e,t){this.state.numTensors++,e.dtype==="string"&&this.state.numStringTensors++;let r=0;e.dtype!=="complex64"&&e.dtype!=="string"&&(r=e.size*Ci(e.dtype)),this.state.numBytes+=r,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:r})),e instanceof Mi||this.track(e)}incRef(e,t){this.trackTensor(e,t),this.backend.incRef(e.dataId)}removeDataId(e,t){this.state.tensorInfo.has(e)&&this.state.tensorInfo.get(e).backend===t&&(this.state.tensorInfo.delete(e),this.state.numDataBuffers--)}disposeTensor(e){if(!this.state.tensorInfo.has(e.dataId))return;const t=this.state.tensorInfo.get(e.dataId);if(this.state.numTensors--,e.dtype==="string"&&(this.state.numStringTensors--,this.state.numBytes-=t.bytes),e.dtype!=="complex64"&&e.dtype!=="string"){const r=e.size*Ci(e.dtype);this.state.numBytes-=r}t.backend.disposeData(e.dataId)&&this.removeDataId(e.dataId,t.backend)}disposeVariables(){for(const e in this.state.registeredVariables){const t=this.state.registeredVariables[e];this.disposeVariable(t)}}disposeVariable(e){this.disposeTensor(e),this.state.registeredVariables[e.name]!=null&&delete this.state.registeredVariables[e.name]}memory(){const 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,e.reasons==null&&(e.reasons=[]),e.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),e}async profile(e){this.state.profiling=!0;const t=this.state.numBytes,r=this.state.numTensors;this.state.activeProfile.kernels=[],this.state.activeProfile.result=await e(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max(...this.state.activeProfile.kernels.map(a=>a.totalBytesSnapshot)),this.state.activeProfile.newBytes=this.state.numBytes-t,this.state.activeProfile.newTensors=this.state.numTensors-r;for(const a of this.state.activeProfile.kernels)a.kernelTimeMs=await a.kernelTimeMs,a.extraInfo=await a.extraInfo;return this.state.activeProfile}isTapeOn(){return this.state.gradientDepth>0&&this.state.kernelDepth===0}addTapeNode(e,t,r,a,s,o){const i={id:this.state.nextTapeNodeId++,kernelName:e,inputs:t,outputs:r,saved:s},u=vl(e);u!=null&&(a=u.gradFunc),a!=null&&(i.gradient=l=>(l=l.map((c,p)=>{if(c==null){const h=r[p],d=er(h.size,h.dtype);return this.makeTensor(d,h.shape,h.dtype)}return c}),a(l.length>1?l:l[0],s,o))),this.state.activeTape.push(i)}keep(e){return e.kept=!0,e}startTape(){this.state.gradientDepth===0&&(this.state.activeTape=[]),this.state.gradientDepth++}endTape(){this.state.gradientDepth--}startScope(e){const t={track:[],name:"unnamed scope",id:this.state.nextScopeId++};e&&(t.name=e),this.state.scopeStack.push(t),this.state.activeScope=t}endScope(e){const t=Md(e),r=new Set(t.map(s=>s.id));for(let s=0;s<this.state.activeScope.track.length;s++){const o=this.state.activeScope.track[s];!o.kept&&!r.has(o.id)&&o.dispose()}const a=this.state.scopeStack.pop();this.state.activeScope=this.state.scopeStack.length===0?null:this.state.scopeStack[this.state.scopeStack.length-1],t.forEach(s=>{!s.kept&&s.scopeId===a.id&&this.track(s)})}gradients(e,t,r,a=!1){if(R(t.length>0,()=>"gradients() received an empty list of xs."),r!=null&&r.dtype!=="float32")throw new Error(`dy must have 'float32' dtype, but has '${r.dtype}'`);const s=this.scopedRun(()=>this.startTape(),()=>this.endTape(),()=>this.tidy("forward",e));R(s instanceof Ge,()=>"The result y returned by f() must be a tensor.");const o=Q2(this.state.activeTape,t,s);if(!a&&o.length===0&&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",()=>{const i={};i[s.id]=r??lg(s.shape),eg(i,o,l=>this.tidy(l),cg);const u=t.map(l=>i[l.id]);return this.state.gradientDepth===0&&(this.state.activeTape.forEach(l=>{for(const c of l.saved)c.dispose()}),this.state.activeTape=null),{value:s,grads:u}})}customGrad(e){return R(xl(e),()=>"The f passed in customGrad(f) must be a function."),(...t)=>{R(t.every(i=>i instanceof Ge),()=>"The args passed in customGrad(f)(x1, x2,...) must all be tensors");let r;const a={};t.forEach((i,u)=>{a[u]=i});const s=(i,u)=>(r=e(...t,u),R(r.value instanceof Ge,()=>"The function f passed in customGrad(f) must return an object where `obj.value` is a tensor"),R(xl(r.gradFunc),()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function."),r.value),o=(i,u)=>{const l=r.gradFunc(i,u),c=Array.isArray(l)?l:[l];R(c.length===t.length,()=>"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(...)."),R(c.every(h=>h instanceof Ge),()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns a list of only tensors.");const p={};return c.forEach((h,d)=>{p[d]=()=>h}),p};return this.runKernelFunc({forwardFunc:s,backwardsFunc:o,inputs:a})}}readSync(e){return this.state.tensorInfo.get(e).backend.readSync(e)}read(e){return this.state.tensorInfo.get(e).backend.read(e)}readToGPU(e,t){return this.state.tensorInfo.get(e).backend.readToGPU(e,t)}async time(e){const t=an(),r=await this.backend.time(e);return r.wallMs=an()-t,r}track(e){return this.state.activeScope!=null&&(e.scopeId=this.state.activeScope.id,this.state.activeScope.track.push(e)),e}get registeredVariables(){return this.state.registeredVariables}reset(){this.pendingBackendInitId++,this.state.dispose(),this.ENV.reset(),this.state=new Cl;for(const e in this.registry)this.disposeRegisteredKernels(e),this.registry[e].dispose(),delete this.registry[e];this.backendName=null,this.backendInstance=null,this.pendingBackendInit=null}}pa.nextTensorId=0;pa.nextVariableId=0;function lg(n){const e=Vc(ae(n),"float32");return V.makeTensor(e,n,"float32")}function Pd(){const n=Gc();if(n._tfengine==null){const e=new k2(n);n._tfengine=new pa(e)}return I2(n._tfengine.ENV),rg(()=>n._tfengine),n._tfengine}const V=Pd();function cg(n,e){const t={a:n,b:e};return V.runKernel(Cu,t)}/**
248 * @license
249 * Copyright 2017 Google LLC. All Rights Reserved.
250 * Licensed under the Apache License, Version 2.0 (the "License");

251 * you may not use this file except in compliance with the License.
252 * You may obtain a copy of the License at
253 *
254 * http://www.apache.org/licenses/LICENSE-2.0
255 *
256 * Unless required by applicable law or agreed to in writing, software
257 * distributed under the License is distributed on an "AS IS" BASIS,
258 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
259 * See the License for the specific language governing permissions and
260 * limitations under the License.
261 * =============================================================================
262 */function pg(){return typeof navigator<"u"&&navigator!=null}function Bd(n){if(n||pg()){if(n||(n=navigator),n.product==="ReactNative")return!0;const e=n.userAgent||n.vendor||(typeof window<"u"?window.opera:"");if(!e){const t=n;return t.userAgentData&&t.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(e)||/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(e.substr(0,4))}return!1}function Ud(){return typeof window<"u"&&window.document!=null||typeof WorkerGlobalScope<"u"}/**
263 * @license
264 * Copyright 2019 Google LLC. All Rights Reserved.
265 * Licensed under the Apache License, Version 2.0 (the "License");
266 * you may not use this file except in compliance with the License.
267 * You may obtain a copy of the License at
268 *
269 * http://www.apache.org/licenses/LICENSE-2.0
270 *
271 * Unless required by applicable law or agreed to in writing, software
272 * distributed under the License is distributed on an "AS IS" BASIS,
273 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
274 * See the License for the specific language governing permissions and
275 * limitations under the License.
276 * =============================================================================
277 */const $t=H();$t.registerFlag("DEBUG",()=>!1,n=>{n&&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.")});$t.registerFlag("IS_BROWSER",()=>Ud());$t.registerFlag("IS_NODE",()=>typeof process<"u"&&typeof process.versions<"u"&&typeof process.versions.node<"u");$t.registerFlag("IS_CHROME",()=>typeof navigator<"u"&&navigator!=null&&navigator.userAgent!=null&&/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor));$t.registerFlag("PROD",()=>!1);$t.registerFlag("TENSORLIKE_CHECK_SHAPE_CONSISTENCY",()=>$t.getBool("DEBUG"));$t.registerFlag("DEPRECATION_WARNINGS_ENABLED",()=>!0);$t.registerFlag("IS_TEST",()=>!1);$t.registerFlag("CHECK_COMPUTATION_FOR_ERRORS",()=>!0);$t.registerFlag("WRAP_TO_IMAGEBITMAP",()=>!1);$t.registerFlag("ENGINE_COMPILE_ONLY",()=>!1);$t.registerFlag("CANVAS2D_WILL_READ_FREQUENTLY_FOR_GPU",()=>!1);$t.registerFlag("USE_SETTIMEOUTCUSTOM",()=>!1);/**
278 * @license
279 * Copyright 2018 Google LLC. All Rights Reserved.
280 * Licensed under the Apache License, Version 2.0 (the "License");

281 * you may not use this file except in compliance with the License.
282 * You may obtain a copy of the License at
283 *
284 * http://www.apache.org/licenses/LICENSE-2.0
285 *
286 * Unless required by applicable law or agreed to in writing, software
287 * distributed under the License is distributed on an "AS IS" BASIS,
288 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
289 * See the License for the specific language governing permissions and
290 * limitations under the License.
291 * =============================================================================
292 */function ar(n,e){let t=n;if(wn(n))return e==="string"?[]:[n.length];if(!Array.isArray(n))return[];const r=[];for(;Array.isArray(t)||wn(t)&&e!=="string";)r.push(t.length),t=t[0];return Array.isArray(n)&&H().getBool("TENSORLIKE_CHECK_SHAPE_CONSISTENCY")&&Vd(n,r,[]),r}function Vd(n,e,t){if(t=t||[],!Array.isArray(n)&&!wn(n)){R(e.length===0,()=>`Element arr[${t.join("][")}] is a primitive, but should be an array/TypedArray of ${e[0]} elements`);return}R(e.length>0,()=>`Element arr[${t.join("][")}] should be a primitive, but is an array of ${n.length} elements`),R(n.length===e[0],()=>`Element arr[${t.join("][")}] should have ${e[0]} elements, but has ${n.length} elements`);const r=e.slice(1);for(let a=0;a<n.length;++a)Vd(n[a],r,t.concat(a))}function Il(n,e,t,r){if(n!=="string_or_numeric"){if(n==null)throw new Error("Expected dtype cannot be null.");if(n!=="numeric"&&n!==e||n==="numeric"&&e==="string")throw new Error(`Argument '${t}' passed to '${r}' must be ${n} tensor, but got ${e} tensor`)}}function N(n,e,t,r="numeric"){if(n instanceof Ge)return Il(r,n.dtype,e,t),n;let a=vo(n);if(a!=="string"&&["bool","int32","float32"].indexOf(r)>=0&&(a=r),Il(r,a,e,t),n==null||!wn(n)&&!Array.isArray(n)&&typeof n!="number"&&typeof n!="boolean"&&typeof n!="string"){const i=n==null?"null":n.constructor.name;throw new Error(`Argument '${e}' passed to '${t}' must be a Tensor or TensorLike, but got '${i}'`)}const s=ar(n,a);!wn(n)&&!Array.isArray(n)&&(n=[n]);const o=a!=="string"?So(n,a):ia(n,[],!0);return V.makeTensor(o,s,a)}function no(n,e,t,r="numeric"){if(!Array.isArray(n))throw new Error(`Argument ${e} passed to ${t} must be a \`Tensor[]\` or \`TensorLike[]\``);return n.map((a,s)=>N(a,`${e}[${s}]`,t,r))}/**
293 * @license
294 * Copyright 2018 Google LLC. All Rights Reserved.
295 * Licensed under the Apache License, Version 2.0 (the "License");
296 * you may not use this file except in compliance with the License.
297 * You may obtain a copy of the License at
298 *
299 * http://www.apache.org/licenses/LICENSE-2.0
300 *
301 * Unless required by applicable law or agreed to in writing, software
302 * distributed under the License is distributed on an "AS IS" BASIS,
303 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
304 * See the License for the specific language governing permissions and
305 * limitations under the License.
306 * =============================================================================
307 */const Wd="__op";function P(n){const e=Object.keys(n);if(e.length!==1)throw new Error(`Please provide an object with a single key (operation name) mapping to a function. Got an object with ${e.length} keys.`);let t=e[0];const r=n[t];t.endsWith("_")&&(t=t.substring(0,t.length-1)),t=t+Wd;const a=(...s)=>{V.startScope(t);try{const o=r(...s);return la(o)&&console.error("Cannot return a Promise inside of tidy."),V.endScope(o),o}catch(o){throw V.endScope(null),o}};return Object.defineProperty(a,"name",{value:t,configurable:!0}),a}/**
308 * @license
309 * Copyright 2020 Google LLC. All Rights Reserved.
310 * Licensed under the Apache License, Version 2.0 (the "License");
311 * you may not use this file except in compliance with the License.
312 * You may obtain a copy of the License at
313 *
314 * http://www.apache.org/licenses/LICENSE-2.0
315 *
316 * Unless required by applicable law or agreed to in writing, software
317 * distributed under the License is distributed on an "AS IS" BASIS,
318 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
319 * See the License for the specific language governing permissions and
320 * limitations under the License.
321 * =============================================================================
322 */function hg(n,e){const t=N(n,"real","complex"),r=N(e,"imag","complex");Lt(t.shape,r.shape,`real and imag shapes, ${t.shape} and ${r.shape}, must match in call to tf.complex().`);const a={real:t,imag:r};return V.runKernel(hp,a)}const tr=P({complex_:hg});/**
323 * @license
324 * Copyright 2018 Google LLC. All Rights Reserved.
325 * Licensed under the Apache License, Version 2.0 (the "License");

326 * you may not use this file except in compliance with the License.
327 * You may obtain a copy of the License at
328 *
329 * http://www.apache.org/licenses/LICENSE-2.0
330 *
331 * Unless required by applicable law or agreed to in writing, software
332 * distributed under the License is distributed on an "AS IS" BASIS,
333 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
334 * See the License for the specific language governing permissions and
335 * limitations under the License.
336 * =============================================================================
337 */function sr(n,e,t,r){if(r==null&&(r=vo(n)),r==="complex64")throw new Error("Cannot construct a complex64 tensor directly. Please use tf.complex(real, imag).");if(!wn(n)&&!Array.isArray(n)&&typeof n!="number"&&typeof n!="boolean"&&typeof n!="string")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(e!=null){Wc(e);const a=ae(e),s=ae(t);R(a===s,()=>`Based on the provided shape, [${e}], the tensor should have ${a} values but has ${s}`);for(let o=0;o<t.length;++o){const i=t[o],u=o===t.length-1?i!==ae(e.slice(o)):!0;R(t[o]===e[o]||!u,()=>`Error creating a new Tensor. Inferred shape (${t}) does not match the provided shape (${e}). `)}}return!wn(n)&&!Array.isArray(n)&&(n=[n]),e=e||t,n=r!=="string"?So(n,r):ia(n,[],!0),V.makeTensor(n,e,r)}/**
338 * @license
339 * Copyright 2018 Google LLC. All Rights Reserved.
340 * Licensed under the Apache License, Version 2.0 (the "License");
341 * you may not use this file except in compliance with the License.
342 * You may obtain a copy of the License at
343 *
344 * http://www.apache.org/licenses/LICENSE-2.0
345 *
346 * Unless required by applicable law or agreed to in writing, software
347 * distributed under the License is distributed on an "AS IS" BASIS,
348 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
349 * See the License for the specific language governing permissions and
350 * limitations under the License.
351 * =============================================================================
352 */function vn(n,e,t){const r=ar(n,t);return sr(n,e,r,t)}/**
353 * @license
354 * Copyright 2018 Google LLC. All Rights Reserved.
355 * Licensed under the Apache License, Version 2.0 (the "License");
356 * you may not use this file except in compliance with the License.
357 * You may obtain a copy of the License at
358 *
359 * http://www.apache.org/licenses/LICENSE-2.0
360 *
361 * Unless required by applicable law or agreed to in writing, software
362 * distributed under the License is distributed on an "AS IS" BASIS,
363 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
364 * See the License for the specific language governing permissions and
365 * limitations under the License.
366 * =============================================================================
367 */const Vi={float32:4,float16:2,int32:4,uint16:2,uint8:1,bool:1,complex64:8};/**
368 * @license
369 * Copyright 2018 Google LLC. All Rights Reserved.
370 * Licensed under the Apache License, Version 2.0 (the "License");
371 * you may not use this file except in compliance with the License.
372 * You may obtain a copy of the License at
373 *
374 * http://www.apache.org/licenses/LICENSE-2.0
375 *
376 * Unless required by applicable law or agreed to in writing, software
377 * distributed under the License is distributed on an "AS IS" BASIS,
378 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
379 * See the License for the specific language governing permissions and
380 * limitations under the License.
381 * =============================================================================
382 */const ro=4;async function dg(n,e){const t=[],r=[],a=Array.isArray(n)?n.map(o=>o.name):Object.keys(n);for(let o=0;o<a.length;++o){const i=a[o],u=Array.isArray(n)?n[o].tensor:n[i];if(u.dtype!=="float32"&&u.dtype!=="int32"&&u.dtype!=="bool"&&u.dtype!=="string"&&u.dtype!=="complex64")throw new Error(`Unsupported dtype in weight '${i}': ${u.dtype}`);const l={name:i,shape:u.shape,dtype:u.dtype};if(u.dtype==="string"){const c=new Promise(async p=>{const h=await u.bytes(),d=h.reduce((b,x)=>b+x.length,0)+ro*h.length,m=new Uint8Array(d);let y=0;for(let b=0;b<h.length;b++){const x=h[b],T=new Uint8Array(new Uint32Array([x.length]).buffer);

382m.set(T,y),y+=ro,m.set(x,y),y+=x.length}p(m)});r.push(c)}else r.push(u.data());e!=null&&(l.group=e),t.push(l)}const s=await Promise.all(r);return{data:fg(s),specs:t}}function zd(n,e){const t={};let r,a=0;for(const s of e){const o=s.name,i=s.dtype,u=s.shape,l=ae(u);let c;if("quantization"in s){const p=s.quantization;if(p.dtype==="uint8"||p.dtype==="uint16"){if(!("min"in p&&"scale"in p))throw new Error(`Weight ${s.name} with quantization ${p.dtype} doesn't have corresponding metadata min and scale.`)}else if(p.dtype==="float16"){if(i!=="float32")throw new Error(`Weight ${s.name} is quantized with ${p.dtype} which only supports weights of type float32 not ${i}.`)}else throw new Error(`Weight ${s.name} has unknown quantization dtype ${p.dtype}. Supported quantization dtypes are: 'uint8', 'uint16', and 'float16'.`);const h=Vi[p.dtype],d=n.slice(a,a+l*h),m=p.dtype==="uint8"?new Uint8Array(d):new Uint16Array(d);if(i==="float32")if(p.dtype==="uint8"||p.dtype==="uint16"){c=new Float32Array(m.length);for(let y=0;y<m.length;y++){const b=m[y];c[y]=b*p.scale+p.min}}else if(p.dtype==="float16")r===void 0&&(r=vg()),c=r(m);else throw new Error(`Unsupported quantization type ${p.dtype} for weight type float32.`);else if(i==="int32"){if(p.dtype!=="uint8"&&p.dtype!=="uint16")throw new Error(`Unsupported quantization type ${p.dtype} for weight type int32.`);c=new Int32Array(m.length);for(let y=0;y<m.length;y++){const b=m[y];c[y]=Math.round(b*p.scale+p.min)}}else throw new Error(`Unsupported dtype in weight '${o}': ${i}`);a+=l*h}else if(i==="string"){const p=ae(s.shape);c=[];for(let h=0;h<p;h++){const d=new Uint32Array(n.slice(a,a+ro))[0];a+=ro;const m=new Uint8Array(n.slice(a,a+d));c.push(m),a+=d}}else{const p=Vi[i],h=n.slice(a,a+l*p);if(i==="float32")c=new Float32Array(h);else if(i==="int32")c=new Int32Array(h);else if(i==="bool")c=new Uint8Array(h);else if(i==="complex64"){c=new Float32Array(h);const d=new Float32Array(c.length/2),m=new Float32Array(c.length/2);for(let x=0;x<d.length;x++)d[x]=c[x*2],m[x]=c[x*2+1];const y=vn(d,u,"float32"),b=vn(m,u,"float32");t[o]=tr(y,b),y.dispose(),b.dispose()}else throw new Error(`Unsupported dtype in weight '${o}': ${i}`);a+=l*p}i!=="complex64"&&(t[o]=vn(c,u,i))}return t}function fg(n){if(n===null)throw new Error(`Invalid input value: ${JSON.stringify(n)}`);let e=0;const t=[];n.forEach(s=>{if(e+=s.byteLength,t.push(s.byteLength===s.buffer.byteLength?s:new s.constructor(s)),!(s instanceof Float32Array||s instanceof Int32Array||s instanceof Uint8Array))throw new Error(`Unsupported TypedArray subtype: ${s.constructor.name}`)});const r=new Uint8Array(e);let a=0;return t.forEach(s=>{r.set(new Uint8Array(s.buffer),a),a+=s.byteLength}),r.buffer}const _u=typeof Buffer<"u"&&(typeof Blob>"u"||typeof atob>"u"||typeof btoa>"u");function Nl(n){return _u?Buffer.byteLength(n):new Blob([n]).size}function mg(n){if(_u)return Buffer.from(n).toString("base64");const e=new Uint8Array(n);let t="";for(let r=0,a=e.length;r<a;r++)t+=String.fromCharCode(e[r]);return btoa(t)}function gg(n){if(_u){const r=Buffer.from(n,"base64");return r.buffer.slice(r.byteOffset,r.byteOffset+r.byteLength)}const e=atob(n),t=new Uint8Array(e.length);for(let r=0;r<e.length;++r)t.set([e.charCodeAt(r)],r);return t.buffer}function Au(n){if(n.length===1)return n[0];let e=0;n.forEach(a=>{e+=a.byteLength});const t=new Uint8Array(e);let r=0;return n.forEach(a=>{t.set(new Uint8Array(a),r),r+=a.byteLength}),t.buffer}function $l(n){for(n=n.trim();n.endsWith("/");)n=n.slice(0,n.length-1);const e=n.split("/");return e[e.length-1]}function Gd(n,e){const t={modelTopology:n.modelTopology,format:n.format,generatedBy:n.generatedBy,convertedBy:n.convertedBy,weightsManifest:e};return n.signature!=null&&(t.signature=n.signature),n.userDefinedMetadata!=null&&(t.userDefinedMetadata=n.userDefinedMetadata),n.modelInitializer!=null&&(t.modelInitializer=n.modelInitializer),n.trainingConfig!=null&&(t.trainingConfig=n.trainingConfig),t}function jd(n,e,t){const r={modelTopology:n.modelTopology,format:n.format,generatedBy:n.generatedBy,convertedBy:n.convertedBy};if(n.trainingConfig!=null&&(r.trainingConfig=n.trainingConfig),n.weightsManifest!=null){if(!e)throw new Error("modelJSON has weightsManifest but weightSpecs is null");if(!t)throw new Error("modelJSON has weightsManifest but weightData is null");r.weightSpecs=e,r.weightData=t}return n.signature!=null&&(r.signature=n.signature),n.userDefinedMetadata!=null&&(r.userDefinedMetadata=n.userDefinedMetadata),n.modelInitializer!=null&&(r.modelInitializer=n.modelInitializer),r}async function Ou(n,e){let t,r;return n.weightsManifest!=null&&([t,r]=await e(n.weightsManifest)),jd(n,t,r)}function hs(n){if(n.modelTopology instanceof ArrayBuffer)throw new Error("Expected JSON model topology, received ArrayBuffer.");return{dateSaved:new Date,modelTopologyType:"JSON",modelTopologyBytes:n.modelTopology==null?0:Nl(JSON.stringify(n.modelTopology)),weightSpecsBytes:n.weightSpecs==null?0:Nl(JSON.stringify(n.weightSpecs)),weightDataBytes:n.weightData==null?0:n.weightData.byteLength}}function Hd(n){const e=[];for(const t of n)e.push(...t.weights);return e}function yg(){const n=t=>{let r=t<<13,a=0;for(;(r&8388608)===0;)a-=8388608,r<<=1;return r&=-8388609,a+=947912704,r|a},e=new Uint32Array(2048);e[0]=0;for(let t=1;t<1024;t++)e[t]=n(t);for(let t=1024;t<2048;t++)e[t]=939524096+(t-1024<<13);return e}function xg(){const n=new Uint32Array(64);

382n[0]=0,n[31]=1199570944,n[32]=2147483648,n[63]=3347054592;for(let e=1;e<31;e++)n[e]=e<<23;for(let e=33;e<63;e++)n[e]=2147483648+(e-32<<23);return n}function bg(){const n=new Uint32Array(64);for(let e=0;e<64;e++)n[e]=1024;return n[0]=n[32]=0,n}function vg(){const n=yg(),e=xg(),t=bg();return r=>{const a=new ArrayBuffer(4*r.length),s=new Uint32Array(a);for(let o=0;o<r.length;o++){const i=r[o],u=n[t[i>>10]+(i&1023)]+e[i>>10];s[o]=u}return new Float32Array(a)}}/**
383 * @license
384 * Copyright 2018 Google LLC. All Rights Reserved.
385 * Licensed under the Apache License, Version 2.0 (the "License");
386 * you may not use this file except in compliance with the License.
387 * You may obtain a copy of the License at
388 *
389 * http://www.apache.org/licenses/LICENSE-2.0
390 *
391 * Unless required by applicable law or agreed to in writing, software
392 * distributed under the License is distributed on an "AS IS" BASIS,
393 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
394 * See the License for the specific language governing permissions and
395 * limitations under the License.
396 * =============================================================================
397 */class ze{constructor(){this.saveRouters=[],this.loadRouters=[]}static getInstance(){return ze.instance==null&&(ze.instance=new ze),ze.instance}static registerSaveRouter(e){ze.getInstance().saveRouters.push(e)}static registerLoadRouter(e){ze.getInstance().loadRouters.push(e)}static getSaveHandlers(e){return ze.getHandlers(e,"save")}static getLoadHandlers(e,t){return ze.getHandlers(e,"load",t)}static getHandlers(e,t,r){const a=[];return(t==="load"?ze.getInstance().loadRouters:ze.getInstance().saveRouters).forEach(s=>{const o=s(e,r);o!==null&&a.push(o)}),a}}const wg=n=>ze.registerSaveRouter(n),Sg=n=>ze.registerLoadRouter(n),kg=n=>ze.getSaveHandlers(n),Tg=(n,e)=>ze.getLoadHandlers(n,e);/**
398 * @license
399 * Copyright 2018 Google LLC. All Rights Reserved.
400 * Licensed under the Apache License, Version 2.0 (the "License");
401 * you may not use this file except in compliance with the License.
402 * You may obtain a copy of the License at
403 *
404 * http://www.apache.org/licenses/LICENSE-2.0
405 *
406 * Unless required by applicable law or agreed to in writing, software
407 * distributed under the License is distributed on an "AS IS" BASIS,
408 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
409 * See the License for the specific language governing permissions and
410 * limitations under the License.
411 * =============================================================================
412 */const Wi="tensorflowjs",zi=1,Er="models_store",Kn="model_info_store";function Xd(){if(!H().getBool("IS_BROWSER"))throw new Error("Failed to obtain IndexedDB factory because the current environmentis not a web browser.");const n=typeof window>"u"?self:window,e=n.indexedDB||n.mozIndexedDB||n.webkitIndexedDB||n.msIndexedDB||n.shimIndexedDB;if(e==null)throw new Error("The current browser does not appear to support IndexedDB.");return e}function Gi(n){const e=n.result;e.createObjectStore(Er,{keyPath:"modelPath"}),e.createObjectStore(Kn,{keyPath:"modelPath"})}class _r{constructor(e){if(this.indexedDB=Xd(),e==null||!e)throw new Error("For IndexedDB, modelPath must not be null, undefined or empty.");this.modelPath=e}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");return this.databaseAction(this.modelPath,e)}async load(){return this.databaseAction(this.modelPath)}databaseAction(e,t){return new Promise((r,a)=>{const s=this.indexedDB.open(Wi,zi);s.onupgradeneeded=()=>Gi(s),s.onsuccess=()=>{const o=s.result;if(t==null){const i=o.transaction(Er,"readonly"),u=i.objectStore(Er).get(this.modelPath);u.onsuccess=()=>{if(u.result==null)return o.close(),a(new Error(`Cannot find model with path '${this.modelPath}' in IndexedDB.`));r(u.result.modelArtifacts)},u.onerror=l=>(o.close(),a(u.error)),i.oncomplete=()=>o.close()}else{const i=hs(t),u=o.transaction(Kn,"readwrite");let l=u.objectStore(Kn);const c=l.put({modelPath:this.modelPath,modelArtifactsInfo:i});let p;c.onsuccess=()=>{p=o.transaction(Er,"readwrite");const h=p.objectStore(Er).put({modelPath:this.modelPath,modelArtifacts:t,modelArtifactsInfo:i});h.onsuccess=()=>r({modelArtifactsInfo:i}),h.onerror=d=>{l=u.objectStore(Kn);const m=l.delete(this.modelPath);m.onsuccess=()=>(o.close(),a(h.error)),m.onerror=y=>(o.close(),a(h.error))}},c.onerror=h=>(o.close(),a(c.error)),u.oncomplete=()=>{p==null?o.close():p.oncomplete=()=>o.close()}}},s.onerror=o=>

412a(s.error)})}}_r.URL_SCHEME="indexeddb://";const qd=n=>H().getBool("IS_BROWSER")&&!Array.isArray(n)&&n.startsWith(_r.URL_SCHEME)?Eg(n.slice(_r.URL_SCHEME.length)):null;ze.registerSaveRouter(qd);ze.registerLoadRouter(qd);function Eg(n){return new _r(n)}function Cg(n){return n.startsWith(_r.URL_SCHEME)?n.slice(_r.URL_SCHEME.length):n}class Ig{constructor(){this.indexedDB=Xd()}async listModels(){return new Promise((e,t)=>{const r=this.indexedDB.open(Wi,zi);r.onupgradeneeded=()=>Gi(r),r.onsuccess=()=>{const a=r.result,s=a.transaction(Kn,"readonly"),o=s.objectStore(Kn).getAll();o.onsuccess=()=>{const i={};for(const u of o.result)i[u.modelPath]=u.modelArtifactsInfo;e(i)},o.onerror=i=>(a.close(),t(o.error)),s.oncomplete=()=>a.close()},r.onerror=a=>t(r.error)})}async removeModel(e){return e=Cg(e),new Promise((t,r)=>{const a=this.indexedDB.open(Wi,zi);a.onupgradeneeded=()=>Gi(a),a.onsuccess=()=>{const s=a.result,o=s.transaction(Kn,"readwrite"),i=o.objectStore(Kn),u=i.get(e);let l;u.onsuccess=()=>{if(u.result==null)return s.close(),r(new Error(`Cannot find model with path '${e}' in IndexedDB.`));{const c=i.delete(e),p=()=>{l=s.transaction(Er,"readwrite");const h=l.objectStore(Er).delete(e);h.onsuccess=()=>t(u.result.modelArtifactsInfo),h.onerror=d=>r(u.error)};c.onsuccess=p,c.onerror=h=>(p(),s.close(),r(u.error))}},u.onerror=c=>(s.close(),r(u.error)),o.oncomplete=()=>{l==null?s.close():l.oncomplete=()=>s.close()}},a.onerror=s=>r(a.error)})}}/**
413 * @license
414 * Copyright 2018 Google LLC. All Rights Reserved.
415 * Licensed under the Apache License, Version 2.0 (the "License");
416 * you may not use this file except in compliance with the License.
417 * You may obtain a copy of the License at
418 *
419 * http://www.apache.org/licenses/LICENSE-2.0
420 *
421 * Unless required by applicable law or agreed to in writing, software
422 * distributed under the License is distributed on an "AS IS" BASIS,
423 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
424 * See the License for the specific language governing permissions and
425 * limitations under the License.
426 * =============================================================================
427 */const Nn="/",na="tensorflowjs_models",Kd="info",Ng="model_topology",$g="weight_specs",Rg="weight_data",_g="model_metadata";function Yd(n){return{info:[na,n,Kd].join(Nn),topology:[na,n,Ng].join(Nn),weightSpecs:[na,n,$g].join(Nn),weightData:[na,n,Rg].join(Nn),modelMetadata:[na,n,_g].join(Nn)}}function Zd(n){for(const e of Object.values(n))window.localStorage.removeItem(e)}function Ag(n){const e=n.split(Nn);if(e.length<3)throw new Error(`Invalid key format: ${n}`);return e.slice(1,e.length-1).join(Nn)}function Og(n){return n.startsWith(Ar.URL_SCHEME)?n.slice(Ar.URL_SCHEME.length):n}class Ar{constructor(e){if(!H().getBool("IS_BROWSER")||typeof window>"u"||typeof window.localStorage>"u")throw new Error("The current environment does not support local storage.");if(this.LS=window.localStorage,e==null||!e)throw new Error("For local storage, modelPath must not be null, undefined or empty.");this.modelPath=e,this.keys=Yd(this.modelPath)}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");{const t=JSON.stringify(e.modelTopology),r=JSON.stringify(e.weightSpecs),a=hs(e);try{this.LS.setItem(this.keys.info,JSON.stringify(a)),this.LS.setItem(this.keys.topology,t),this.LS.setItem(this.keys.weightSpecs,r),this.LS.setItem(this.keys.weightData,mg(e.weightData));const s={format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,signature:e.signature!=null?e.signature:void 0,userDefinedMetadata:e.userDefinedMetadata!=null?e.userDefinedMetadata:void 0,modelInitializer:e.modelInitializer!=null?e.modelInitializer:void 0,trainingConfig:e.trainingConfig!=null?e.trainingConfig:void 0};return this.LS.setItem(this.keys.modelMetadata,JSON.stringify(s)),{modelArtifactsInfo:a}}catch{throw Zd(this.keys),new Error(`Failed to save model '${this.modelPath}' to local storage: size quota being exceeded is a possible cause of this failure: modelTopologyBytes=${a.modelTopologyBytes}, weightSpecsBytes=${a.weightSpecsBytes}, weightDataBytes=${a.weightDataBytes}.`)}}}async load(){const e=JSON.parse(this.LS.getItem(this.keys.info));if(e==null)throw new Error(`In local storage, there is no model with name '${this.modelPath}'`);if(e.modelTopologyType!=="JSON")throw new Error("BrowserLocalStorage does not support loading non-JSON model topology yet.");const t={},r=JSON.parse(this.LS.getItem(this.keys.topology));if(r==null)throw new Error(`In local storage, the topology of model '${this.modelPath}' is missing.`);t.modelTopology=r;const a=JSON.parse(this.LS.getItem(this.keys.weightSpecs));if(a==null)throw new Error(`In local storage, the weight specs of model '${this.modelPath}' are missing.`);t.weightSpecs=a;const s=this.LS.getItem(this.keys.modelMetadata);if(s!=null){const i=JSON.parse(s);t.format=i.format,t.generatedBy=i.generatedBy,t.convertedBy=i.convertedBy,i.signature!=null&&(t.signature=i.signature),i.userDefinedMetadata!=null&&(t.userDefinedMetadata=i.userDefinedMetadata),i.modelInitializer!=null&&(t.modelInitializer=i.modelInitializer),i.trainingConfig!=null&&(t.trainingConfig=i.trainingConfig)}const o=this.LS.getItem(this.keys.weightData);if(o==null)throw new Error(`In local storage, the binary weight values of model '${this.modelPath}' are missing.`);return t.weightData=gg(o),t}}Ar.URL_SCHEME="localstorage://";const Jd=n=>

427H().getBool("IS_BROWSER")&&!Array.isArray(n)&&n.startsWith(Ar.URL_SCHEME)?Fg(n.slice(Ar.URL_SCHEME.length)):null;ze.registerSaveRouter(Jd);ze.registerLoadRouter(Jd);function Fg(n){return new Ar(n)}class Dg{constructor(){R(H().getBool("IS_BROWSER"),()=>"Current environment is not a web browser"),R(typeof window>"u"||typeof window.localStorage<"u",()=>"Current browser does not appear to support localStorage"),this.LS=window.localStorage}async listModels(){const e={},t=na+Nn,r=Nn+Kd;for(let a=0;a<this.LS.length;++a){const s=this.LS.key(a);if(s.startsWith(t)&&s.endsWith(r)){const o=Ag(s);e[o]=JSON.parse(this.LS.getItem(s))}}return e}async removeModel(e){e=Og(e);const t=Yd(e);if(this.LS.getItem(t.info)==null)throw new Error(`Cannot find model at path '${e}'`);const r=JSON.parse(this.LS.getItem(t.info));return Zd(t),r}}/**
428 * @license
429 * Copyright 2018 Google LLC. All Rights Reserved.
430 * Licensed under the Apache License, Version 2.0 (the "License");
431 * you may not use this file except in compliance with the License.
432 * You may obtain a copy of the License at
433 *
434 * http://www.apache.org/licenses/LICENSE-2.0
435 *
436 * Unless required by applicable law or agreed to in writing, software
437 * distributed under the License is distributed on an "AS IS" BASIS,
438 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
439 * See the License for the specific language governing permissions and
440 * limitations under the License.
441 * =============================================================================
442 */const aa="://";class ht{constructor(){this.managers={}}static getInstance(){return ht.instance==null&&(ht.instance=new ht),ht.instance}static registerManager(e,t){R(e!=null,()=>"scheme must not be undefined or null."),e.endsWith(aa)&&(e=e.slice(0,e.indexOf(aa))),R(e.length>0,()=>"scheme must not be an empty string.");const r=ht.getInstance();R(r.managers[e]==null,()=>`A model store manager is already registered for scheme '${e}'.`),r.managers[e]=t}static getManager(e){const t=ht.getInstance().managers[e];if(t==null)throw new Error(`Cannot find model manager for scheme '${e}'`);return t}static getSchemes(){return Object.keys(ht.getInstance().managers)}}function Zs(n){if(n.indexOf(aa)===-1)throw new Error(`The url string provided does not contain a scheme. Supported schemes are: ${ht.getSchemes().join(",")}`);return{scheme:n.split(aa)[0],path:n.split(aa)[1]}}async function Qd(n,e,t=!1){R(n!==e,()=>`Old path and new path are the same: '${n}'`);const r=ze.getLoadHandlers(n);R(r.length>0,()=>`Copying failed because no load handler is found for source URL ${n}.`),R(r.length<2,()=>`Copying failed because more than one (${r.length}) load handlers for source URL ${n}.`);const a=r[0],s=ze.getSaveHandlers(e);R(s.length>0,()=>`Copying failed because no save handler is found for destination URL ${e}.`),R(s.length<2,()=>`Copying failed because more than one (${r.length}) save handlers for destination URL ${e}.`);const o=s[0],i=Zs(n).scheme,u=Zs(n).path,l=i===Zs(n).scheme,c=await a.load();t&&l&&await ht.getManager(i).removeModel(u);const p=await o.save(c);return t&&!l&&await ht.getManager(i).removeModel(u),p.modelArtifactsInfo}async function Mg(){const n=ht.getSchemes(),e={};for(const t of n){const r=await ht.getManager(t).listModels();for(const a in r){const s=t+aa+a;e[s]=r[a]}}return e}async function Lg(n){const e=Zs(n);return ht.getManager(e.scheme).removeModel(e.path)}async function Pg(n,e){return Qd(n,e,!1)}async function Bg(n,e){return Qd(n,e,!0)}/**
443 * @license
444 * Copyright 2019 Google LLC. All Rights Reserved.
445 * Licensed under the Apache License, Version 2.0 (the "License");
446 * you may not use this file except in compliance with the License.
447 * You may obtain a copy of the License at
448 *
449 * http://www.apache.org/licenses/LICENSE-2.0
450 *
451 * Unless required by applicable law or agreed to in writing, software
452 * distributed under the License is distributed on an "AS IS" BASIS,
453 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
454 * See the License for the specific language governing permissions and
455 * limitations under the License.
456 * =============================================================================
457 */class Ug{constructor(){this.messageName="setTimeoutCustom",this.functionRefs=[],this.handledMessageCount=0,this.hasEventListener=!1}fetch(e,t){return fetch(e,t)}now(){return performance.now()}encode(e,t){if(t!=="utf-8"&&t!=="utf8")throw new Error(`Browser's encoder only supports utf-8, but got ${t}`);return this.textEncoder==null&&(this.textEncoder=new TextEncoder),this.textEncoder.encode(e)}decode(e,t){return new TextDecoder(t).decode(e)}setTimeoutCustom(e,t){if(!window||!H().getBool("USE_SETTIMEOUTCUSTOM")){setTimeout(e,t);return}this.functionRefs.push(e),setTimeout(()=>{window.postMessage({name:this.messageName,index:this.functionRefs.length-1},"*")},t),this.hasEventListener||(this.hasEventListener=!0,window.addEventListener("message",r=>{if(r.source===window&&r.data.name===this.messageName){r.stopPropagation();const a=this.functionRefs[r.data.index];a(),this.handledMessageCount++,this.handledMessageCount===this.functionRefs.length&&(this.functionRefs=[],this.handledMessageCount=0)}},!0))}}

457if(H().get("IS_BROWSER")){H().setPlatform("browser",new Ug);try{ht.registerManager(Ar.URL_SCHEME,new Dg)}catch{}try{ht.registerManager(_r.URL_SCHEME,new Ig)}catch{}}/**
458 * @license
459 * Copyright 2019 Google LLC. All Rights Reserved.
460 * Licensed under the Apache License, Version 2.0 (the "License");
461 * you may not use this file except in compliance with the License.
462 * You may obtain a copy of the License at
463 *
464 * http://www.apache.org/licenses/LICENSE-2.0
465 *
466 * Unless required by applicable law or agreed to in writing, software
467 * distributed under the License is distributed on an "AS IS" BASIS,
468 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
469 * See the License for the specific language governing permissions and
470 * limitations under the License.
471 * =============================================================================
472 */const Vg={importFetch:()=>require("node-fetch")};let ri;class Wg{constructor(){this.util=require("util"),this.textEncoder=new this.util.TextEncoder}fetch(e,t){return H().global.fetch!=null?H().global.fetch(e,t):(ri==null&&(ri=Vg.importFetch()),ri(e,t))}now(){const e=process.hrtime();return e[0]*1e3+e[1]/1e6}encode(e,t){if(t!=="utf-8"&&t!=="utf8")throw new Error(`Node built-in encoder only supports utf-8, but got ${t}`);return this.textEncoder.encode(e)}decode(e,t){return e.length===0?"":new this.util.TextDecoder(t).decode(e)}}H().get("IS_NODE")&&!H().get("IS_BROWSER")&&H().setPlatform("node",new Wg);/**
473 * @license
474 * Copyright 2020 Google Inc. All Rights Reserved.
475 * Licensed under the Apache License, Version 2.0 (the "License");
476 * you may not use this file except in compliance with the License.
477 * You may obtain a copy of the License at
478 *
479 * http://www.apache.org/licenses/LICENSE-2.0
480 *
481 * Unless required by applicable law or agreed to in writing, software
482 * distributed under the License is distributed on an "AS IS" BASIS,
483 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
484 * See the License for the specific language governing permissions and
485 * limitations under the License.
486 * =============================================================================
487 */function He(n,e="float32",t){return e=e||"float32",Wc(n),new ts(n,e,t)}/**
488 * @license
489 * Copyright 2020 Google Inc. All Rights Reserved.
490 * Licensed under the Apache License, Version 2.0 (the "License");
491 * you may not use this file except in compliance with the License.
492 * You may obtain a copy of the License at
493 *
494 * http://www.apache.org/licenses/LICENSE-2.0
495 *
496 * Unless required by applicable law or agreed to in writing, software
497 * distributed under the License is distributed on an "AS IS" BASIS,
498 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
499 * See the License for the specific language governing permissions and
500 * limitations under the License.
501 * =============================================================================
502 */function zg(n,e){const t=N(n,"x","cast");if(!x2(e))throw new Error(`Failed to cast to unknown dtype ${e}`);if(e==="string"&&t.dtype!=="string"||e!=="string"&&t.dtype==="string")throw new Error("Only strings can be casted to strings");const r={x:t},a={dtype:e};return V.runKernel(Iu,r,a)}const je=P({cast_:zg});/**
503 * @license
504 * Copyright 2020 Google LLC. All Rights Reserved.
505 * Licensed under the Apache License, Version 2.0 (the "License");
506 * you may not use this file except in compliance with the License.
507 * You may obtain a copy of the License at
508 *
509 * http://www.apache.org/licenses/LICENSE-2.0
510 *
511 * Unless required by applicable law or agreed to in writing, software
512 * distributed under the License is distributed on an "AS IS" BASIS,
513 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
514 * See the License for the specific language governing permissions and
515 * limitations under the License.
516 * =============================================================================
517 */function Gg(n){const e={x:N(n,"x","clone","string_or_numeric")};return V.runKernel(Nu,e)}const Jn=P({clone_:Gg});/**
518 * @license
519 * Copyright 2020 Google Inc. All Rights Reserved.
520 * Licensed under the Apache License, Version 2.0 (the "License");

521 * you may not use this file except in compliance with the License.
522 * You may obtain a copy of the License at
523 *
524 * http://www.apache.org/licenses/LICENSE-2.0
525 *
526 * Unless required by applicable law or agreed to in writing, software
527 * distributed under the License is distributed on an "AS IS" BASIS,
528 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
529 * See the License for the specific language governing permissions and
530 * limitations under the License.
531 * =============================================================================
532 */function ef(n,e=!1){console.log(n.toString(e))}/**
533 * @license
534 * Copyright 2020 Google Inc. All Rights Reserved.
535 * Licensed under the Apache License, Version 2.0 (the "License");
536 * you may not use this file except in compliance with the License.
537 * You may obtain a copy of the License at
538 *
539 * http://www.apache.org/licenses/LICENSE-2.0
540 *
541 * Unless required by applicable law or agreed to in writing, software
542 * distributed under the License is distributed on an "AS IS" BASIS,
543 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
544 * See the License for the specific language governing permissions and
545 * limitations under the License.
546 * =============================================================================
547 */Pd();const jg={buffer:He,cast:je,clone:Jn,print:ef};ag(jg);/**
548 * @license
549 * Copyright 2018 Google LLC. All Rights Reserved.
550 * Licensed under the Apache License, Version 2.0 (the "License");
551 * you may not use this file except in compliance with the License.
552 * You may obtain a copy of the License at
553 *
554 * http://www.apache.org/licenses/LICENSE-2.0
555 *
556 * Unless required by applicable law or agreed to in writing, software
557 * distributed under the License is distributed on an "AS IS" BASIS,
558 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
559 * See the License for the specific language governing permissions and
560 * limitations under the License.
561 * =============================================================================
562 */const Hg="model",Xg=".json",qg=".weights.bin";function Rl(n){return new Promise(e=>setTimeout(e)).then(n)}class Or{constructor(e){if(!H().getBool("IS_BROWSER"))throw new Error("browserDownloads() cannot proceed because the current environment is not a browser.");e.startsWith(Or.URL_SCHEME)&&(e=e.slice(Or.URL_SCHEME.length)),(e==null||e.length===0)&&(e=Hg),this.modelJsonFileName=e+Xg,this.weightDataFileName=e+qg}async save(e){if(typeof document>"u")throw new Error("Browser downloads are not supported in this environment since `document` is not present");const t=window.URL.createObjectURL(new Blob([e.weightData],{type:"application/octet-stream"}));if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserDownloads.save() does not support saving model topology in binary formats yet.");{const r=[{paths:["./"+this.weightDataFileName],weights:e.weightSpecs}],a=Gd(e,r),s=window.URL.createObjectURL(new Blob([JSON.stringify(a)],{type:"application/json"})),o=this.modelJsonAnchor==null?document.createElement("a"):this.modelJsonAnchor;if(o.download=this.modelJsonFileName,o.href=s,await Rl(()=>

562o.dispatchEvent(new MouseEvent("click"))),e.weightData!=null){const i=this.weightDataAnchor==null?document.createElement("a"):this.weightDataAnchor;i.download=this.weightDataFileName,i.href=t,await Rl(()=>i.dispatchEvent(new MouseEvent("click")))}return{modelArtifactsInfo:hs(e)}}}}Or.URL_SCHEME="downloads://";class Kg{constructor(e){if(e==null||e.length<1)throw new Error(`When calling browserFiles, at least 1 file is required, but received ${e}`);this.jsonFile=e[0],this.weightsFiles=e.slice(1)}async load(){return new Promise((e,t)=>{const r=new FileReader;r.onload=a=>{const s=JSON.parse(a.target.result),o=s.modelTopology;if(o==null){t(new Error(`modelTopology field is missing from file ${this.jsonFile.name}`));return}if(s.weightsManifest==null){t(new Error(`weightManifest field is missing from file ${this.jsonFile.name}`));return}if(this.weightsFiles.length===0){e({modelTopology:o});return}const i=Ou(s,u=>this.loadWeights(u));e(i)},r.onerror=a=>t(`Failed to read model topology and weights manifest JSON from file '${this.jsonFile.name}'. BrowserFiles supports loading Keras-style tf.Model artifacts only.`),r.readAsText(this.jsonFile)})}loadWeights(e){const t=[],r=[];for(const o of e)t.push(...o.weights),r.push(...o.paths);const a=this.checkManifestAndWeightFiles(e),s=r.map(o=>this.loadWeightsFile(o,a[o]));return Promise.all(s).then(o=>[t,Au(o)])}loadWeightsFile(e,t){return new Promise((r,a)=>{const s=new FileReader;s.onload=o=>{const i=o.target.result;r(i)},s.onerror=o=>a(`Failed to weights data from file of path '${e}'.`),s.readAsArrayBuffer(t)})}checkManifestAndWeightFiles(e){const t=[],r=this.weightsFiles.map(s=>$l(s.name)),a={};for(const s of e)s.paths.forEach(o=>{const i=$l(o);if(t.indexOf(i)!==-1)throw new Error(`Duplicate file basename found in weights manifest: '${i}'`);if(t.push(i),r.indexOf(i)===-1)throw new Error(`Weight file with basename '${i}' is not provided.`);a[o]=this.weightsFiles[r.indexOf(i)]});if(t.length!==this.weightsFiles.length)throw new Error(`Mismatch in the number of files in weights manifest (${t.length}) and the number of weight files provided (${this.weightsFiles.length}).`);return a}}const Yg=n=>H().getBool("IS_BROWSER")&&!Array.isArray(n)&&n.startsWith(Or.URL_SCHEME)?Zg(n.slice(Or.URL_SCHEME.length)):null;ze.registerSaveRouter(Yg);function Zg(n="model"){return new Or(n)}function Jg(n){return new Kg(n)}/**
563 * @license
564 * Copyright 2019 Google LLC. All Rights Reserved.
565 * Licensed under the Apache License, Version 2.0 (the "License");
566 * you may not use this file except in compliance with the License.
567 * You may obtain a copy of the License at
568 *
569 * http://www.apache.org/licenses/LICENSE-2.0
570 *
571 * Unless required by applicable law or agreed to in writing, software
572 * distributed under the License is distributed on an "AS IS" BASIS,
573 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
574 * See the License for the specific language governing permissions and
575 * limitations under the License.
576 * =============================================================================
577 */function _l(n,e,t,r){o(n),t=t??0,r=r??1,i(t,r);let a=0;const s=u=>(u.then(l=>{const c=t+ ++a/n.length*(r-t);return e(c),l}),u);function o(u){R(u!=null&&Array.isArray(u)&&u.length>0,()=>"promises must be a none empty array")}function i(u,l){R(u>=0&&u<=1,()=>`Progress fraction must be in range [0, 1], but got startFraction ${u}`),R(l>=0&&l<=1,()=>`Progress fraction must be in range [0, 1], but got endFraction ${l}`),R(l>=u,()=>`startFraction must be no more than endFraction, but got startFraction ${u} and endFraction ${l}`)}return Promise.all(n.map(s))}/**
578 * @license
579 * Copyright 2018 Google LLC. All Rights Reserved.
580 * Licensed under the Apache License, Version 2.0 (the "License");
581 * you may not use this file except in compliance with the License.
582 * You may obtain a copy of the License at
583 *
584 * http://www.apache.org/licenses/LICENSE-2.0
585 *
586 * Unless required by applicable law or agreed to in writing, software
587 * distributed under the License is distributed on an "AS IS" BASIS,
588 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
589 * See the License for the specific language governing permissions and
590 * limitations under the License.
591 * =============================================================================
592 */async function tf(n,e){e==null&&(e={});const t=e.fetchFunc==null?H().platform.fetch:e.fetchFunc,r=n.map(s=>t(s,e.requestInit,{isBinary:!0})),a=(e.onProgress==null?await Promise.all(r):await _l(r,e.onProgress,0,.5)).map(s=>s.arrayBuffer());return e.onProgress==null?await Promise.all(a):await _l(a,e.onProgress,.5,1)}async function Qg(n,e="",t,r){return nf(a=>tf(a,{requestInit:r}))(n,e,t)}function nf(n){return async(e,t="",r)=>{const a=e.map(()=>!1),s={},o=r!=null?r.map(()=>!1):[],i=[];if(e.forEach((d,m)=>{let y=0;

592d.weights.forEach(b=>{const x="quantization"in b?b.quantization.dtype:b.dtype,T=Vi[x]*ae(b.shape),$=()=>{a[m]=!0,s[m]==null&&(s[m]=[]),s[m].push({manifestEntry:b,groupOffset:y,sizeBytes:T})};r!=null?r.forEach((F,M)=>{F===b.name&&($(),o[M]=!0)}):$(),i.push(b.name),y+=T})}),!o.every(d=>d)){const d=r.filter((m,y)=>!o[y]);throw new Error(`Could not find weights in manifest with names: ${d.join(", ")}. 
593Manifest JSON has weights with names: ${i.join(", ")}.`)}const u=a.reduce((d,m,y)=>(m&&d.push(y),d),[]),l=[];u.forEach(d=>{e[d].paths.forEach(m=>{const y=t+(t.endsWith("/")?"":"/")+m;l.push(y)})});const c=await n(l),p={};let h=0;return u.forEach(d=>{const m=e[d].paths.length;let y=0;for(let $=0;$<m;$++)y+=c[h+$].byteLength;const b=new ArrayBuffer(y),x=new Uint8Array(b);let T=0;for(let $=0;$<m;$++){const F=new Uint8Array(c[h+$]);x.set(F,T),T+=F.byteLength}s[d].forEach($=>{const F=b.slice($.groupOffset,$.groupOffset+$.sizeBytes),M=zd(F,[$.manifestEntry]);for(const U in M)p[U]=M[U]}),h+=m}),p}}/**
594 * @license
595 * Copyright 2018 Google LLC. All Rights Reserved.
596 * Licensed under the Apache License, Version 2.0 (the "License");
597 * you may not use this file except in compliance with the License.
598 * You may obtain a copy of the License at
599 *
600 * http://www.apache.org/licenses/LICENSE-2.0
601 *
602 * Unless required by applicable law or agreed to in writing, software
603 * distributed under the License is distributed on an "AS IS" BASIS,
604 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
605 * See the License for the specific language governing permissions and
606 * limitations under the License.
607 * =============================================================================
608 */const e0="application/octet-stream",t0="application/json";class Fu{constructor(e,t){if(this.DEFAULT_METHOD="POST",t==null&&(t={}),this.weightPathPrefix=t.weightPathPrefix,this.onProgress=t.onProgress,this.weightUrlConverter=t.weightUrlConverter,t.fetchFunc!=null?(R(typeof t.fetchFunc=="function",()=>"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=H().platform.fetch,R(e!=null&&e.length>0,()=>"URL path for http must not be null, undefined or empty."),Array.isArray(e)&&R(e.length===2,()=>`URL paths for http must have a length of 2, (actual length is ${e.length}).`),this.path=e,t.requestInit!=null&&t.requestInit.body!=null)throw new Error("requestInit is expected to have no pre-existing body, but has one.");this.requestInit=t.requestInit||{}}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserHTTPRequest.save() does not support saving model topology in binary formats yet.");const t=Object.assign({method:this.DEFAULT_METHOD},this.requestInit);t.body=new FormData;const r=[{paths:["./model.weights.bin"],weights:e.weightSpecs}],a=Gd(e,r);t.body.append("model.json",new Blob([JSON.stringify(a)],{type:t0}),"model.json"),e.weightData!=null&&t.body.append("model.weights.bin",new Blob([e.weightData],{type:e0}),"model.weights.bin");const s=await this.fetch(this.path,t);if(s.ok)return{modelArtifactsInfo:hs(e),responses:[s]};throw new Error(`BrowserHTTPRequest.save() failed due to HTTP response status ${s.status}.`)}async load(){const e=await this.fetch(this.path,this.requestInit);if(!e.ok)throw new Error(`Request to ${this.path} failed with status code ${e.status}. Please verify this URL points to the model JSON of the model to load.`);let t;try{t=await e.json()}catch{let s=`Failed to parse model JSON of response from ${this.path}.`;throw this.path.endsWith(".pb")?s+=" 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.":s+=" Please make sure the server is serving valid JSON for this request.",new Error(s)}const r=t.modelTopology,a=t.weightsManifest;if(r==null&&a==null)throw new Error(`The JSON from HTTP path ${this.path}

608 contains neither model topology or manifest for weights.`);return Ou(t,s=>this.loadWeights(s))}async loadWeights(e){const t=Array.isArray(this.path)?this.path[1]:this.path,[r,a]=n0(t),s=this.weightPathPrefix||r,o=Hd(e),i=[],u=[];for(const c of e)for(const p of c.paths)this.weightUrlConverter!=null?u.push(this.weightUrlConverter(p)):i.push(s+p+a);this.weightUrlConverter&&i.push(...await Promise.all(u));const l=await tf(i,{requestInit:this.requestInit,fetchFunc:this.fetch,onProgress:this.onProgress});return[o,Au(l)]}}Fu.URL_SCHEME_REGEX=/^https?:\/\//;function n0(n){const e=n.lastIndexOf("/"),t=n.lastIndexOf("?"),r=n.substring(0,e),a=t>e?n.substring(t):"";return[r+"/",a]}function ji(n){return n.match(Fu.URL_SCHEME_REGEX)!=null}const rf=(n,e)=>{if(typeof fetch>"u"&&(e==null||e.fetchFunc==null))return null;{let t=!0;if(Array.isArray(n)?t=n.every(r=>ji(r)):t=ji(n),t)return Du(n,e)}return null};ze.registerSaveRouter(rf);ze.registerLoadRouter(rf);function Du(n,e){return new Fu(n,e)}function r0(n,e){return Du(n,e)}/**
609 * @license
610 * Copyright 2018 Google LLC. All Rights Reserved.
611 * Licensed under the Apache License, Version 2.0 (the "License");
612 * you may not use this file except in compliance with the License.
613 * You may obtain a copy of the License at
614 *
615 * http://www.apache.org/licenses/LICENSE-2.0
616 *
617 * Unless required by applicable law or agreed to in writing, software
618 * distributed under the License is distributed on an "AS IS" BASIS,
619 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
620 * See the License for the specific language governing permissions and
621 * limitations under the License.
622 * =============================================================================
623 */class ai{constructor(e){this.modelArtifacts=e}load(){return this.modelArtifacts}}class af{constructor(e){this.saveHandler=e}save(e){return this.saveHandler(e)}}class a0{constructor(e){e.load&&(this.load=()=>Promise.resolve(e.load())),e.save&&(this.save=t=>Promise.resolve(e.save(t)))}}function s0(n,e,t,r){const a=arguments;return new a0(sf(...a))}function sf(n,e,t,r){return arguments.length===1?n.modelTopology!=null||n.weightSpecs!=null?new ai(n):(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 ai({modelTopology:n})):(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 ai({modelTopology:n,weightSpecs:e,weightData:t,trainingConfig:r}))}function o0(n){return new af(n)}function i0(n){return new af(n)}/**
624 * @license
625 * Copyright 2018 Google LLC. All Rights Reserved.
626 * Licensed under the Apache License, Version 2.0 (the "License");
627 * you may not use this file except in compliance with the License.
628 * You may obtain a copy of the License at
629 *
630 * http://www.apache.org/licenses/LICENSE-2.0
631 *
632 * Unless required by applicable law or agreed to in writing, software
633 * distributed under the License is distributed on an "AS IS" BASIS,
634 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
635 * See the License for the specific language governing permissions and
636 * limitations under the License.
637 * =============================================================================
638 */const of=Object.freeze(Object.defineProperty({__proto__:null,browserFiles:Jg,browserHTTPRequest:r0,concatenateArrayBuffers:Au,copyModel:Pg,decodeWeights:zd,encodeWeights:dg,fromMemory:s0,fromMemorySync:sf,getLoadHandlers:Tg,getModelArtifactsForJSON:Ou,getModelArtifactsForJSONSync:jd,getModelArtifactsInfoForJSON:hs,getSaveHandlers:kg,getWeightSpecs:Hd,http:Du,isHTTPScheme:ji,listModels:Mg,loadWeights:Qg,moveModel:Bg,registerLoadRouter:Sg,registerSaveRouter:wg,removeModel:Lg,weightsLoaderFactory:nf,withSaveHandler:o0,withSaveHandlerSync:i0},Symbol.toStringTag,{value:"Module"}));/**
639 * @license
640 * Copyright 2020 Google LLC. All Rights Reserved.
641 * Licensed under the Apache License, Version 2.0 (the "License");

642 * you may not use this file except in compliance with the License.
643 * You may obtain a copy of the License at
644 *
645 * http://www.apache.org/licenses/LICENSE-2.0
646 *
647 * Unless required by applicable law or agreed to in writing, software
648 * distributed under the License is distributed on an "AS IS" BASIS,
649 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
650 * See the License for the specific language governing permissions and
651 * limitations under the License.
652 * =============================================================================
653 */function u0(n,e,t=!1,r=!1){let a=N(n,"a","matMul"),s=N(e,"b","matMul");[a,s]=Ke(a,s);const o={a,b:s},i={transposeA:t,transposeB:r};return V.runKernel(op,o,i)}const Oe=P({matMul_:u0});/**
654 * @license
655 * Copyright 2020 Google LLC. All Rights Reserved.
656 * Licensed under the Apache License, Version 2.0 (the "License");
657 * you may not use this file except in compliance with the License.
658 * You may obtain a copy of the License at
659 *
660 * http://www.apache.org/licenses/LICENSE-2.0
661 *
662 * Unless required by applicable law or agreed to in writing, software
663 * distributed under the License is distributed on an "AS IS" BASIS,
664 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
665 * See the License for the specific language governing permissions and
666 * limitations under the License.
667 * =============================================================================
668 */function l0(n,e,t=1,r=0,a="int32"){if(e<2)throw new Error(`Error in oneHot: depth must be >=2, but it is ${e}`);const s={indices:N(n,"indices","oneHot","int32")},o={dtype:a,depth:e,onValue:t,offValue:r};return V.runKernel($h,s,o)}const c0=P({oneHot_:l0});/**
669 * @license
670 * Copyright 2018 Google LLC. All Rights Reserved.
671 * Licensed under the Apache License, Version 2.0 (the "License");
672 * you may not use this file except in compliance with the License.
673 * You may obtain a copy of the License at
674 *
675 * http://www.apache.org/licenses/LICENSE-2.0
676 *
677 * Unless required by applicable law or agreed to in writing, software
678 * distributed under the License is distributed on an "AS IS" BASIS,
679 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
680 * See the License for the specific language governing permissions and
681 * limitations under the License.
682 * =============================================================================
683 */function Jr(){return V}function Xe(n,e){return V.tidy(n,e)}function bn(n){Md(n).forEach(e=>e.dispose())}function Yn(n){return V.keep(n)}function p0(n,e,t=1){return V.registerBackend(n,e,t)}/**
684 * @license
685 * Copyright 2020 Google LLC. All Rights Reserved.
686 * Licensed under the Apache License, Version 2.0 (the "License");
687 * you may not use this file except in compliance with the License.
688 * You may obtain a copy of the License at
689 *
690 * http://www.apache.org/licenses/LICENSE-2.0
691 *
692 * Unless required by applicable law or agreed to in writing, software
693 * distributed under the License is distributed on an "AS IS" BASIS,
694 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
695 * See the License for the specific language governing permissions and
696 * limitations under the License.
697 * =============================================================================
698 */function h0(n){const e={input:N(n,"input","imag")};return V.runKernel(Zp,e)}const ko=P({imag_:h0});/**
699 * @license
700 * Copyright 2018 Google LLC. All Rights Reserved.
701 * Licensed under the Apache License, Version 2.0 (the "License");
702 * you may not use this file except in compliance with the License.
703 * You may obtain a copy of the License at
704 *
705 * http://www.apache.org/licenses/LICENSE-2.0
706 *
707 * Unless required by applicable law or agreed to in writing, software
708 * distributed under the License is distributed on an "AS IS" BASIS,
709 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
710 * See the License for the specific language governing permissions and
711 * limitations under the License.
712 * =============================================================================
713 */function d0(n){const e={x:N(n,"x","neg")};return V.runKernel(kh,e)}const An=P({neg_:d0});/**
714 * @license
715 * Copyright 2020 Google LLC. All Rights Reserved.
716 * Licensed under the Apache License, Version 2.0 (the "License");

717 * you may not use this file except in compliance with the License.
718 * You may obtain a copy of the License at
719 *
720 * http://www.apache.org/licenses/LICENSE-2.0
721 *
722 * Unless required by applicable law or agreed to in writing, software
723 * distributed under the License is distributed on an "AS IS" BASIS,
724 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
725 * See the License for the specific language governing permissions and
726 * limitations under the License.
727 * =============================================================================
728 */function f0(n){const e={input:N(n,"input","real")};return V.runKernel(Ph,e)}const ns=P({real_:f0});/**
729 * @license
730 * Copyright 2018 Google LLC. All Rights Reserved.
731 * Licensed under the Apache License, Version 2.0 (the "License");
732 * you may not use this file except in compliance with the License.
733 * You may obtain a copy of the License at
734 *
735 * http://www.apache.org/licenses/LICENSE-2.0
736 *
737 * Unless required by applicable law or agreed to in writing, software
738 * distributed under the License is distributed on an "AS IS" BASIS,
739 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
740 * See the License for the specific language governing permissions and
741 * limitations under the License.
742 * =============================================================================
743 */function m0(n,e,t){const r=N(n,"x","transpose");if(e==null&&(e=r.shape.map((o,i)=>i).reverse()),R(r.rank===e.length,()=>`Error in transpose: rank of input ${r.rank} must match length of perm ${e}.`),e.forEach(o=>{R(o>=0&&o<r.rank,()=>`All entries in 'perm' must be between 0 and ${r.rank-1} but got ${e}`)}),r.rank<=1)return r.clone();const a={x:r},s={perm:e};return r.dtype==="complex64"?Xe(()=>{let o=ns(r),i=ko(r);return o=V.runKernel(Ks,{x:o},s),i=V.runKernel(Ks,{x:i},s),t&&(i=An(i)),tr(o,i)}):V.runKernel(Ks,a,s)}const Hi=P({transpose_:m0});/**
744 * @license
745 * Copyright 2017 Google LLC. All Rights Reserved.
746 * Licensed under the Apache License, Version 2.0 (the "License");
747 * you may not use this file except in compliance with the License.
748 * You may obtain a copy of the License at
749 *
750 * http://www.apache.org/licenses/LICENSE-2.0
751 *
752 * Unless required by applicable law or agreed to in writing, software
753 * distributed under the License is distributed on an "AS IS" BASIS,
754 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
755 * See the License for the specific language governing permissions and
756 * limitations under the License.
757 * =============================================================================
758 */function ao(n,e){const t=n.length,r=[];for(let a=0;a<t;a++){const s=t-1-a,o=n[s]||1;(e[e.length-1-a]||1)>1&&o===1&&r.unshift(s)}return r}function uf(n,e){const t=[];for(let r=0;r<e.length;r++){const a=n[n.length-r-1],s=e.length-r-1,o=e[s];(a==null||a===1&&o>1)&&t.unshift(s)}return t}function $e(n,e){const t=[],r=Math.max(n.length,e.length);for(let a=0;a<r;a++){let s=n[n.length-a-1];s==null&&(s=1);let o=e[e.length-a-1];if(o==null&&(o=1),s===1)t.unshift(o);else if(o===1)t.unshift(s);else if(s!==o){const i=`Operands could not be broadcast together with shapes ${n} and ${e}.`;throw Error(i)}else t.unshift(s)}return t}/**
759 * @license
760 * Copyright 2018 Google LLC. All Rights Reserved.
761 * Licensed under the Apache License, Version 2.0 (the "License");
762 * you may not use this file except in compliance with the License.
763 * You may obtain a copy of the License at
764 *
765 * http://www.apache.org/licenses/LICENSE-2.0
766 *
767 * Unless required by applicable law or agreed to in writing, software
768 * distributed under the License is distributed on an "AS IS" BASIS,
769 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
770 * See the License for the specific language governing permissions and
771 * limitations under the License.
772 * =============================================================================
773 */function lf(n,e,t){if(ga(n),e!=null&&e.length!==3)throw new Error("tensor3d() requires shape to have three numbers");const r=ar(n,t);if(r.length!==3&&r.length!==1)throw new Error("tensor3d() requires values to be number[][][] or flat/TypedArray");if(r.length===1&&e==null)throw new Error("tensor3d() requires shape to be provided when `values` are a flat array");return sr(n,e,r,t)}/**
774 * @license
775 * Copyright 2019 Google LLC. All Rights Reserved.
776 * Licensed under the Apache License, Version 2.0 (the "License");

777 * you may not use this file except in compliance with the License.
778 * You may obtain a copy of the License at
779 *
780 * http://www.apache.org/licenses/LICENSE-2.0
781 *
782 * Unless required by applicable law or agreed to in writing, software
783 * distributed under the License is distributed on an "AS IS" BASIS,
784 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
785 * See the License for the specific language governing permissions and
786 * limitations under the License.
787 * =============================================================================
788 */let br;function g0(n,e=3){if(e>4)throw new Error("Cannot construct Tensor with more than 4 channels from pixels.");if(n==null)throw new Error("pixels passed to tf.browser.fromPixels() can not be null");let t=!1,r=!1,a=!1,s=!1,o=!1,i=!1;if(n.data instanceof Uint8Array)t=!0;else if(typeof ImageData<"u"&&n instanceof ImageData)r=!0;else if(typeof HTMLVideoElement<"u"&&n instanceof HTMLVideoElement)a=!0;else if(typeof HTMLImageElement<"u"&&n instanceof HTMLImageElement)s=!0;else if(n.getContext!=null)o=!0;else if(typeof ImageBitmap<"u"&&n instanceof ImageBitmap)i=!0;else 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 ${n.constructor.name}`);if(Fi(Ri,V.backendName)!=null){const h={pixels:n},d={numChannels:e};return V.runKernel(Ri,h,d)}const[u,l]=a?[n.videoWidth,n.videoHeight]:[n.width,n.height];let c;if(o)c=n.getContext("2d").getImageData(0,0,u,l).data;else if(r||t)c=n.data;else if(s||a||i){if(br==null)if(typeof document>"u")if(typeof OffscreenCanvas<"u"&&typeof OffscreenCanvasRenderingContext2D<"u")br=new OffscreenCanvas(1,1).getContext("2d");else throw new Error("Cannot parse input in current context. Reason: OffscreenCanvas Context2D rendering is not supported.");else br=document.createElement("canvas").getContext("2d",{willReadFrequently:!0});br.canvas.width=u,br.canvas.height=l,br.drawImage(n,0,0,u,l),c=br.getImageData(0,0,u,l).data}let p;if(e===4)p=new Int32Array(c);else{const h=u*l;p=new Int32Array(h*e);for(let d=0;d<h;d++)for(let m=0;m<e;++m)p[d*e+m]=c[d*4+m]}return lf(p,[l,u,e],"int32")}async function cf(n,e){let t=N(n,"img","toPixels");if(!(n instanceof Ge)){const l=t;t=je(l,"int32"),l.dispose()}if(t.rank!==2&&t.rank!==3)throw new Error(`toPixels only supports rank 2 or 3 tensors, got rank ${t.rank}.`);const[r,a]=t.shape.slice(0,2),s=t.rank===2?1:t.shape[2];if(s>4||s===2)throw new Error(`toPixels only supports depth of size 1, 3 or 4 but got ${s}`);if(t.dtype!=="float32"&&t.dtype!=="int32")throw new Error(`Unsupported type for toPixels: ${t.dtype}. Please use float32 or int32 tensors.`);const o=await t.data(),i=t.dtype==="float32"?255:1,u=new Uint8ClampedArray(a*r*4);for(let l=0;l<r*a;++l){const c=[0,0,0,255];for(let h=0;h<s;h++){const d=o[l*s+h];if(t.dtype==="float32"){if(d<0||d>1)throw new Error(`Tensor values for a float32 Tensor must be in the range [0 - 1] but encountered ${d}.`)}else if(t.dtype==="int32"&&(d<0||d>255))throw new Error(`Tensor values for a int32 Tensor must be in the range [0 - 255] but encountered ${d}.`);s===1?(c[0]=d*i,c[1]=d*i,c[2]=d*i):c[h]=d*i}const p=l*4;u[p+0]=Math.round(c[0]),u[p+1]=Math.round(c[1]),u[p+2]=Math.round(c[2]),u[p+3]=Math.round(c[3])}return t!==n&&t.dispose(),u}const pf=P({fromPixels_:g0});function hf(n,e){const t=n.shape.length,r=e.shape.length;if(t<1)throw new Error(`tf.gatherND() expects the input to be rank 1 or higher, but the rank was ${t}.`);if(r<1)throw new Error(`tf.gatherND() expects the indices to be rank 1 or higher, but the rank was ${r}.`);if(e.dtype!=="int32")throw new Error(`tf.gatherND() expects the indices to be int32 type, but the dtype was ${e.dtype}.`);if(e.shape[r-1]>t)throw new Error(`index innermost dimension length must be <= tensor rank; saw: ${e.shape[r-1]} vs. ${t}`);if(ae(n.shape)===0)throw new Error(`Requested more than 0 entries, but input is empty. Input shape: ${n.shape}.`);const a=e.shape,s=a[a.length-1];let o=1;for(let p=0;p<a.length-1;++p)o*=a[p];const i=n.shape,u=a.slice();u.pop();let l=1;for(let p=s;p<t;++p)l*=i[p],u.push(i[p]);const c=[...ot(n.shape).map(p=>p/l),1].slice(0,s);return[u,o,l,c]}function df(n,e,t){const r=e.rank>1?e.shape[e.rank-1]:1,a=e.rank>1?e.rank-1:1,s=`Must have updates.shape = indices.shape[:batchDim] + shape[sliceDim:], got updates.shape: ${t.shape}, indices.shape: ${e.shape}, shape: ${n}, sliceDim: ${r}, and batchDim: ${a}.`;if(t.rank<a)throw new Error(s+` update.rank < ${a}. `);if(n.length<r+(t.rank-a))throw new Error(s+` Output shape length < ${r+(t.rank-a)}`);if(t.rank!==a+n.length-r)throw new Error(s+` update.rank != ${a+n.length-r}`);for(let o=0;o<a;++o)if(t.shape[o]!==e.shape[o])throw new Error(s+` updates.shape[${o}] (${t.shape[o]}

788) != indices.shape[${o}] (${e.shape[o]}).`);for(let o=0;o<t.rank-a;++o)if(t.shape[o+a]!==n[o+r])throw new Error(s+` updates.shape[${o+a}] (${t.shape[o+a]}) != shape[${o+a}] (${n[o+a]})`)}function ff(n,e,t){if(e.rank<1)throw new Error(`tf.scatterND() expects the indices to be rank 1 or higher, but the rank was ${e.rank}.`);if(n.rank<1)throw new Error(`tf.scatterND() expects the updates to be rank 1 or higher, but the rank was ${n.rank}.`);if(e.dtype!=="int32")throw new Error(`The dtype of 'indices' should be int32, but got dtype: ${e.dtype}`);if(t.length<1)throw new Error(`Output rank must be greater or equal to 1, but got shape: ${t}`);if(t.length===0){if(e.size===0)throw new Error(`Indices specified for empty output. indices shape: ${e.shape}`);if(n.size===0)throw new Error(`Updates specified for empty output. updates shape: ${n.shape}`)}df(t,e,n)}function Mu(n,e,t){const r=e.shape.length,a=r>1?e.shape[r-1]:1,s=t.length;let o=1;for(let p=a;p<s;++p)o*=t[p];const i=a<1?1:a,u=ae(e.shape)/i,l=[...ot(t.slice(0,a)),1],c=ae(t);return{sliceRank:a,numUpdates:u,sliceSize:o,strides:l,outputSize:c}}/**
789 * @license
790 * Copyright 2021 Google LLC. All Rights Reserved.
791 * Licensed under the Apache License, Version 2.0 (the "License");
792 * you may not use this file except in compliance with the License.
793 * You may obtain a copy of the License at
794 *
795 * http://www.apache.org/licenses/LICENSE-2.0
796 *
797 * Unless required by applicable law or agreed to in writing, software
798 * distributed under the License is distributed on an "AS IS" BASIS,
799 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
800 * See the License for the specific language governing permissions and
801 * limitations under the License.
802 * =============================================================================
803 */const Xi=-2,y0=-1;function mf(n,e,t){const r=n.shape.length;R(r===e.length,()=>`Error in slice${r}D: Length of begin ${e} must match the rank of the array (${r}).`),R(r===t.length,()=>`Error in slice${r}D: Length of size ${t} must match the rank of the array (${r}).`);for(let a=0;a<r;++a)R(e[a]+t[a]<=n.shape[a],()=>`Error in slice${r}D: begin[${a}] + size[${a}] (${e[a]+t[a]}) would overflow input.shape[${a}] (${n.shape[a]})`)}function x0(n){const e=[];let t=0;for(;n>0;)n&1&&e.push(t),n/=2,t++;return e}function gf(n,e,t){const r=[];for(let a=0;a<n.length;a++)r[a]=Math.ceil((e[a]-n[a])/t[a]);return r}function yf(n,e,t,r){const a=[...n];for(let s=a.length;s<r.length;s++)a.push(1);for(let s=0;s<t;s++)s===0?a[e]=1:(a.splice(e,0,1),a.pop());return a}function xf(n,e,t){return t<=n?t:t-(e-1)}function bf(n,e){const t=[];for(let r=0;r<n;r++)t.push(e+r);return t}function b0(n,e,t,r,a,s,o,i,u){const l=n.length;let c=new Array(l),p=new Array(l),h=new Array(l);if(e.length&&t>0){const d=e[0],m=t+1;c=vf(o,d,m,r,n),p=wf(i,d,m,a,n),h=yf(s,d,m,n)}else for(let d=0;d<l;d++)c[d]=kf(o,r,s,n,d,u),p[d]=Tf(i,a,s,n,d,u),h[d]=Sf(s,d,u);return{begin:c,end:p,strides:h}}function vf(n,e,t,r,a){const s=[...a],o=bf(t,e);for(let i=0;i<s.length;i++)if(o.indexOf(i)>-1)s[i]=0;else{const u=xf(e,t,i);let l=r[u];n&1<<u&&(l=0),s[i]=l}return s}function wf(n,e,t,r,a){const s=[...a],o=bf(t,e);for(let i=0;i<s.length;i++)if(o.indexOf(i)>-1)s[i]=Number.MAX_SAFE_INTEGER;else{const u=xf(e,t,i);let l=r[u];n&1<<u&&(l=Number.MAX_SAFE_INTEGER),s[i]=l}for(let i=0;i<s.length;i++){const u=a[i];s[i]<0&&(s[i]+=u),s[i]=eo(0,s[i],a[i])}return s}function Sf(n,e,t){let r=n[e];return(t&1<<e||r==null)&&(r=1),r}function kf(n,e,t,r,a,s){let o=e[a];const i=t[a]||1;(n&1<<a||s&1<<a||o==null)&&(i>0?o=Number.MIN_SAFE_INTEGER:o=Number.MAX_SAFE_INTEGER);const u=r[a];return o<0&&(o+=u),o=eo(0,o,u-1),o}function Tf(n,e,t,r,a,s){let o=e[a];const i=t[a]||1;(n&1<<a||s&1<<a||o==null)&&(i>0?o=Number.MAX_SAFE_INTEGER:o=Number.MIN_SAFE_INTEGER);const u=r[a];return o<0&&(o+=u),i>0?o=eo(0,o,u):o=eo(-1,o,u-1),o}function Lu(n,e,t){let r=t.length;for(let a=0;a<t.length;a++)if(t[a]>1){r=a;break}for(let a=r+1;a<t.length;a++)if(e[a]>0||t[a]!==n[a])return!1;return!0}function Pu(n,e){let t=n.length>0?n[n.length-1]:1;for(let r=0;r<n.length-1;r++)t+=n[r]*e[r];return t}function Ef(n,e,t){let r;const a=n.shape.length;typeof e=="number"?r=[e,...new Array(a-1).fill(0)]:e.length<a?r=e.concat(new Array(a-e.length).fill(0)):r=e.slice(),r.forEach(o=>{R(o!==-1,()=>"slice() does not support negative begin indexing.")});let s;return t==null?s=new Array(a).fill(-1):typeof t=="number"?s=[t,...new Array(a-1).fill(-1)]:t.length<a?s=t.concat(new Array(a-t.length).fill(-1)):s=t,s=s.map((o,i)=>o>=0?o:(R(o===-1,()=>`Negative size values should be exactly -1 but got ${o} for the slice() size at index ${i}.`),n.shape[i]-r[i])),[r,s]}function Cf(n,e,t,r,a,s,o,i,u){let l;if(r==null?(l=new Array(e.length),l.fill(1)):l=r,o!=null&&(o&o-1)!==0)throw new Error("Multiple ellipses in slice is not allowed.");let c=!1;const p={dims:l.length,numAddAxisAfterEllipsis:0,begin:e.slice(),end:t.slice(),strides:l.slice(),beginMask:a,endMask:s,ellipsisMask:o,newAxisMask:i,shrinkAxisMask:u};for(let T=0;T<p.dims;

803T++)c&&(1<<T&i)!==0&&p.numAddAxisAfterEllipsis++,1<<T&o&&(c=!0);c||(p.ellipsisMask|=1<<p.dims,p.dims++);const h={dims:n.length,beginMask:0,endMask:0,beginValid:!1,endValid:!1};v0(p,h);let d=!0,m=!0,y=!0;const b=[],x=[];for(let T=0;T<n.length;++T){if(h.strides[T]===0)throw Error(`strides[${T}] must be non-zero`);const $=!!(h.shrinkAxisMask&1<<T),F=n[T];if(F===-1){b.push($?1:-1);continue}const M=[h.beginMask&1<<T,h.endMask&1<<T],U=[h.strides[T]>0?0:-1,h.strides[T]>0?F:F-1];if($&&h.strides[T]<=0)throw Error("only stride 1 allowed on non-range indexing.");y=y&&h.strides[T]===1;const X=!!(h.beginMask&1<<T&&h.endMask&1<<T);if(h.beginValid&&h.endValid){if($){const q=h.begin[T]<0?F+h.begin[T]:h.begin[T];if(h.begin[T]=q,h.end[T]=h.begin[T]+1,q<0||q>=F)throw Error(`slice index ${h.begin[T]} of dimension ${T} out of bounds.`)}else h.begin[T]=Al(h.begin[T],0,h.strides[T],F,M,U),h.end[T]=Al(h.end[T],1,h.strides[T],F,M,U);const C=h.strides[T]===1&&h.begin[T]===0&&h.end[T]===F;d=d&&C,m=m&&(T===0&&h.strides[T]===1||C)}else d=d&&h.strides[T]===1&&X,m=m&&(T===0&&h.strides[T]===1||X);let z,L=!1;if(h.beginValid&&h.endValid?(z=h.end[T]-h.begin[T],L=!0):$?(z=1,L=!0):X&&F>=0&&(h.strides[T]<0?z=-F:z=F,L=!0),L){let C;z===0||z<0!=h.strides[T]<0?C=0:C=Math.trunc(z/h.strides[T])+(z%h.strides[T]!==0?1:0),b.push(C)}else b.push(-1)}for(let T=0;T<h.finalShapeGatherIndices.length;++T){const $=h.finalShapeGatherIndices[T];$>=0?x.push(b[$]):$===Xi&&x.push(1)}return{finalShapeSparse:x.filter((T,$)=>h.finalShapeGatherIndices[$]!==Xi),finalShape:x,isIdentity:d,sliceDim0:m,isSimpleSlice:y,begin:h.begin,end:h.end,strides:h.strides}}function v0(n,e){e.beginMask=0,e.endMask=0,e.shrinkAxisMask=0;let t=0;e.beginValid=n.begin!=null,e.endValid=n.end!=null,e.begin=new Array(e.dims),e.end=new Array(e.dims),e.strides=new Array(e.dims),e.finalShapeGatherIndices=[],e.finalShapeGatherIndicesSparse=[],e.inputShapeGatherIndicesSparse=new Array(e.dims);for(let r=0;r<n.dims;r++)if(1<<r&n.ellipsisMask){const a=Math.min(e.dims-(n.dims-r)+1+n.numAddAxisAfterEllipsis,e.dims);for(;t<a;t++)e.begin[t]=0,e.end[t]=0,e.strides[t]=1,e.beginMask|=1<<t,e.endMask|=1<<t,e.finalShapeGatherIndices.push(t),e.finalShapeGatherIndicesSparse.push(-1),e.inputShapeGatherIndicesSparse[t]=r}else if(1<<r&n.newAxisMask)e.finalShapeGatherIndices.push(Xi),e.finalShapeGatherIndicesSparse.push(-1);else{if(t===e.begin.length)throw Error(`Index out of range using input dim ${t}; input has only ${e.dims} dims, ${e.begin.length}.`);n.begin!=null&&(e.begin[t]=n.begin[r]),n.end!=null&&(e.end[t]=n.end[r]),e.strides[t]=n.strides[r],n.beginMask&1<<r&&(e.beginMask|=1<<t),n.endMask&1<<r&&(e.endMask|=1<<t),n.shrinkAxisMask&1<<r?(e.finalShapeGatherIndices.push(y0),e.finalShapeGatherIndicesSparse.push(-1),e.shrinkAxisMask|=1<<t):(e.finalShapeGatherIndices.push(t),e.finalShapeGatherIndicesSparse.push(r)),e.inputShapeGatherIndicesSparse[t]=r,t++}}function Al(n,e,t,r,a,s){if(a[e])return t>0?s[e]:s[e+1&1];{const o=n<0?r+n:n;return o<s[0]?s[0]:o>s[1]?s[1]:o}}const w0=Object.freeze(Object.defineProperty({__proto__:null,assertParamsValid:mf,computeFlatOffset:Pu,computeOutShape:gf,getNormalizedAxes:b0,isSliceContinous:Lu,maskToAxes:x0,parseSliceParams:Ef,sliceInfo:Cf,startForAxis:kf,startIndicesWithElidedDims:vf,stopForAxis:Tf,stopIndicesWithElidedDims:wf,stridesForAxis:Sf,stridesWithElidedDims:yf},Symbol.toStringTag,{value:"Module"}));/**
804 * @license
805 * Copyright 2020 Google LLC. All Rights Reserved.
806 * Licensed under the Apache License, Version 2.0 (the "License");
807 * you may not use this file except in compliance with the License.
808 * You may obtain a copy of the License at
809 *
810 * http://www.apache.org/licenses/LICENSE-2.0
811 *
812 * Unless required by applicable law or agreed to in writing, software
813 * distributed under the License is distributed on an "AS IS" BASIS,
814 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
815 * See the License for the specific language governing permissions and
816 * limitations under the License.
817 * =============================================================================
818 */function S0(n,e){let t=N(n,"a","add"),r=N(e,"b","add");[t,r]=Ke(t,r);const a={a:t,b:r};return V.runKernel(Cu,a)}const Pe=P({add_:S0});/**
819 * @license
820 * Copyright 2020 Google LLC. All Rights Reserved.
821 * Licensed under the Apache License, Version 2.0 (the "License");

822 * you may not use this file except in compliance with the License.
823 * You may obtain a copy of the License at
824 *
825 * http://www.apache.org/licenses/LICENSE-2.0
826 *
827 * Unless required by applicable law or agreed to in writing, software
828 * distributed under the License is distributed on an "AS IS" BASIS,
829 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
830 * See the License for the specific language governing permissions and
831 * limitations under the License.
832 * =============================================================================
833 */function k0(n,e){let t=N(n,"a","floorDiv"),r=N(e,"b","floorDiv");[t,r]=Ke(t,r);const a={a:t,b:r};return V.runKernel(Gp,a)}const If=P({floorDiv_:k0});/**
834 * @license
835 * Copyright 2020 Google LLC. All Rights Reserved.
836 * Licensed under the Apache License, Version 2.0 (the "License");
837 * you may not use this file except in compliance with the License.
838 * You may obtain a copy of the License at
839 *
840 * http://www.apache.org/licenses/LICENSE-2.0
841 *
842 * Unless required by applicable law or agreed to in writing, software
843 * distributed under the License is distributed on an "AS IS" BASIS,
844 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
845 * See the License for the specific language governing permissions and
846 * limitations under the License.
847 * =============================================================================
848 */function T0(n,e){let t=N(n,"a","div"),r=N(e,"b","div");if([t,r]=Ke(t,r),t.dtype==="int32"&&r.dtype==="int32")return If(t,r);const a={a:t,b:r},s={};return V.runKernel(Ap,a,s)}const De=P({div_:T0});/**
849 * @license
850 * Copyright 2020 Google LLC. All Rights Reserved.
851 * Licensed under the Apache License, Version 2.0 (the "License");
852 * you may not use this file except in compliance with the License.
853 * You may obtain a copy of the License at
854 *
855 * http://www.apache.org/licenses/LICENSE-2.0
856 *
857 * Unless required by applicable law or agreed to in writing, software
858 * distributed under the License is distributed on an "AS IS" BASIS,
859 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
860 * See the License for the specific language governing permissions and
861 * limitations under the License.
862 * =============================================================================
863 */function E0(n,e){let t=N(n,"a","mul"),r=N(e,"b","mul");[t,r]=Ke(t,r);const a={a:t,b:r};return V.runKernel(Sh,a)}const me=P({mul_:E0});/**
864 * @license
865 * Copyright 2018 Google LLC. All Rights Reserved.
866 * Licensed under the Apache License, Version 2.0 (the "License");
867 * you may not use this file except in compliance with the License.
868 * You may obtain a copy of the License at
869 *
870 * http://www.apache.org/licenses/LICENSE-2.0
871 *
872 * Unless required by applicable law or agreed to in writing, software
873 * distributed under the License is distributed on an "AS IS" BASIS,
874 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
875 * See the License for the specific language governing permissions and
876 * limitations under the License.
877 * =============================================================================
878 */function C0(n){const e=N(n,"x","abs");if(e.dtype==="complex64"){const t={x:e};return V.runKernel(dp,t)}else{const t={x:e};return V.runKernel(jc,t)}}const Kt=P({abs_:C0});/**
879 * @license
880 * Copyright 2018 Google LLC. All Rights Reserved.
881 * Licensed under the Apache License, Version 2.0 (the "License");
882 * you may not use this file except in compliance with the License.
883 * You may obtain a copy of the License at
884 *
885 * http://www.apache.org/licenses/LICENSE-2.0
886 *
887 * Unless required by applicable law or agreed to in writing, software
888 * distributed under the License is distributed on an "AS IS" BASIS,
889 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
890 * See the License for the specific language governing permissions and
891 * limitations under the License.
892 * =============================================================================
893 */function I0(n){const e={x:N(n,"x","acos")};return V.runKernel(Hc,e)}const N0=P({acos_:I0});/**
894 * @license
895 * Copyright 2018 Google LLC. All Rights Reserved.
896 * Licensed under the Apache License, Version 2.0 (the "License");

897 * you may not use this file except in compliance with the License.
898 * You may obtain a copy of the License at
899 *
900 * http://www.apache.org/licenses/LICENSE-2.0
901 *
902 * Unless required by applicable law or agreed to in writing, software
903 * distributed under the License is distributed on an "AS IS" BASIS,
904 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
905 * See the License for the specific language governing permissions and
906 * limitations under the License.
907 * =============================================================================
908 */function $0(n){const e={x:N(n,"x","acosh")};return V.runKernel(Xc,e)}const R0=P({acosh_:$0});/**
909 * @license
910 * Copyright 2020 Google LLC. All Rights Reserved.
911 * Licensed under the Apache License, Version 2.0 (the "License");
912 * you may not use this file except in compliance with the License.
913 * You may obtain a copy of the License at
914 *
915 * http://www.apache.org/licenses/LICENSE-2.0
916 *
917 * Unless required by applicable law or agreed to in writing, software
918 * distributed under the License is distributed on an "AS IS" BASIS,
919 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
920 * See the License for the specific language governing permissions and
921 * limitations under the License.
922 * =============================================================================
923 */function _0(n){R(Array.isArray(n),()=>"The argument passed to tf.addN() must be a list of tensors"),R(n.length>=1,()=>`Must pass at least one tensor to tf.addN(), but got ${n.length}`);const e=n.map((a,s)=>N(a,`tensors${s}`,"addN")),t=e[0];e.forEach(a=>{if(a.dtype!==t.dtype)throw new Error("All tensors passed to tf.addN() must have the same dtype")}),e.forEach(a=>{if(!qe(a.shape,t.shape))throw new Error("All tensors passed to tf.addN() must have the same shape")});const r=e;return V.runKernel(qc,r)}const A0=P({addN_:_0});/**
924 * @license
925 * Copyright 2020 Google LLC. All Rights Reserved.
926 * Licensed under the Apache License, Version 2.0 (the "License");
927 * you may not use this file except in compliance with the License.
928 * You may obtain a copy of the License at
929 *
930 * http://www.apache.org/licenses/LICENSE-2.0
931 *
932 * Unless required by applicable law or agreed to in writing, software
933 * distributed under the License is distributed on an "AS IS" BASIS,
934 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
935 * See the License for the specific language governing permissions and
936 * limitations under the License.
937 * =============================================================================
938 */function O0(n,e=null,t=!1){const r={x:N(n,"x","all","bool")},a={axis:e,keepDims:t};return V.runKernel(Kc,r,a)}const F0=P({all_:O0});/**
939 * @license
940 * Copyright 2020 Google LLC. All Rights Reserved.
941 * Licensed under the Apache License, Version 2.0 (the "License");
942 * you may not use this file except in compliance with the License.
943 * You may obtain a copy of the License at
944 *
945 * http://www.apache.org/licenses/LICENSE-2.0
946 *
947 * Unless required by applicable law or agreed to in writing, software
948 * distributed under the License is distributed on an "AS IS" BASIS,
949 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
950 * See the License for the specific language governing permissions and
951 * limitations under the License.
952 * =============================================================================
953 */function D0(n,e=null,t=!1){const r={x:N(n,"x","any","bool")},a={axis:e,keepDims:t};return V.runKernel(Yc,r,a)}const M0=P({any_:D0});/**
954 * @license
955 * Copyright 2020 Google Inc. All Rights Reserved.
956 * Licensed under the Apache License, Version 2.0 (the "License");
957 * you may not use this file except in compliance with the License.
958 * You may obtain a copy of the License at
959 *
960 * http://www.apache.org/licenses/LICENSE-2.0
961 *
962 * Unless required by applicable law or agreed to in writing, software
963 * distributed under the License is distributed on an "AS IS" BASIS,
964 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
965 * See the License for the specific language governing permissions and
966 * limitations under the License.
967 * =============================================================================
968 */function L0(n,e=0){const t={x:N(n,"x","argMax")},r={axis:e};return V.runKernel(Zc,t,r)}const P0=P({argMax_:L0});/**
969 * @license
970 * Copyright 2020 Google Inc. All Rights Reserved.
971 * Licensed under the Apache License, Version 2.0 (the "License");

972 * you may not use this file except in compliance with the License.
973 * You may obtain a copy of the License at
974 *
975 * http://www.apache.org/licenses/LICENSE-2.0
976 *
977 * Unless required by applicable law or agreed to in writing, software
978 * distributed under the License is distributed on an "AS IS" BASIS,
979 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
980 * See the License for the specific language governing permissions and
981 * limitations under the License.
982 * =============================================================================
983 */function B0(n,e=0){const t={x:N(n,"x","argMin")},r={axis:e};return V.runKernel(Jc,t,r)}const U0=P({argMin_:B0});/**
984 * @license
985 * Copyright 2018 Google LLC. All Rights Reserved.
986 * Licensed under the Apache License, Version 2.0 (the "License");
987 * you may not use this file except in compliance with the License.
988 * You may obtain a copy of the License at
989 *
990 * http://www.apache.org/licenses/LICENSE-2.0
991 *
992 * Unless required by applicable law or agreed to in writing, software
993 * distributed under the License is distributed on an "AS IS" BASIS,
994 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
995 * See the License for the specific language governing permissions and
996 * limitations under the License.
997 * =============================================================================
998 */function V0(n){const e={x:N(n,"x","asin")};return V.runKernel(Qc,e)}const W0=P({asin_:V0});/**
999 * @license
1000 * Copyright 2018 Google LLC. All Rights Reserved.
1001 * Licensed under the Apache License, Version 2.0 (the "License");
1002 * you may not use this file except in compliance with the License.
1003 * You may obtain a copy of the License at
1004 *
1005 * http://www.apache.org/licenses/LICENSE-2.0
1006 *
1007 * Unless required by applicable law or agreed to in writing, software
1008 * distributed under the License is distributed on an "AS IS" BASIS,
1009 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1010 * See the License for the specific language governing permissions and
1011 * limitations under the License.
1012 * =============================================================================
1013 */function z0(n){const e={x:N(n,"x","asinh")};return V.runKernel(ep,e)}const G0=P({asinh_:z0});/**
1014 * @license
1015 * Copyright 2018 Google LLC. All Rights Reserved.
1016 * Licensed under the Apache License, Version 2.0 (the "License");
1017 * you may not use this file except in compliance with the License.
1018 * You may obtain a copy of the License at
1019 *
1020 * http://www.apache.org/licenses/LICENSE-2.0
1021 *
1022 * Unless required by applicable law or agreed to in writing, software
1023 * distributed under the License is distributed on an "AS IS" BASIS,
1024 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1025 * See the License for the specific language governing permissions and
1026 * limitations under the License.
1027 * =============================================================================
1028 */function j0(n){const e={x:N(n,"x","atan")};return V.runKernel(tp,e)}const H0=P({atan_:j0});/**
1029 * @license
1030 * Copyright 2020 Google LLC. All Rights Reserved.
1031 * Licensed under the Apache License, Version 2.0 (the "License");
1032 * you may not use this file except in compliance with the License.
1033 * You may obtain a copy of the License at
1034 *
1035 * http://www.apache.org/licenses/LICENSE-2.0
1036 *
1037 * Unless required by applicable law or agreed to in writing, software
1038 * distributed under the License is distributed on an "AS IS" BASIS,
1039 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1040 * See the License for the specific language governing permissions and
1041 * limitations under the License.
1042 * =============================================================================
1043 */function X0(n,e){let t=N(n,"a","atan2"),r=N(e,"b","atan2");[t,r]=Ke(t,r);const a={a:t,b:r};return V.runKernel(rp,a)}const q0=P({atan2_:X0});/**
1044 * @license
1045 * Copyright 2018 Google LLC. All Rights Reserved.
1046 * Licensed under the Apache License, Version 2.0 (the "License");
1047 * you may not use this file except in compliance with the License.
1048 * You may obtain a copy of the License at
1049 *
1050 * http://www.apache.org/licenses/LICENSE-2.0
1051 *
1052 * Unless required by applicable law or agreed to in writing, softw

1052are
1053 * distributed under the License is distributed on an "AS IS" BASIS,
1054 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1055 * See the License for the specific language governing permissions and
1056 * limitations under the License.
1057 * =============================================================================
1058 */function K0(n){const e={x:N(n,"x","atanh")};return V.runKernel(np,e)}const Y0=P({atanh_:K0});/**
1059 * @license
1060 * Copyright 2020 Google LLC. All Rights Reserved.
1061 * Licensed under the Apache License, Version 2.0 (the "License");
1062 * you may not use this file except in compliance with the License.
1063 * You may obtain a copy of the License at
1064 *
1065 * http://www.apache.org/licenses/LICENSE-2.0
1066 *
1067 * Unless required by applicable law or agreed to in writing, software
1068 * distributed under the License is distributed on an "AS IS" BASIS,
1069 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1070 * See the License for the specific language governing permissions and
1071 * limitations under the License.
1072 * =============================================================================
1073 */function Nf(n,e,t,r,a="NHWC",s){const o=n[3],i=[...e,o],u=xa(a);return Pt(n,i,t,s,r,null,null,u)}function Pr(n,e,t,r,a,s,o="channelsLast"){const[i,u]=so(e);let l;if(o==="channelsLast")l=[i,u,n[3],n[3]];else if(o==="channelsFirst")l=[i,u,n[1],n[1]];else throw new Error(`Unknown dataFormat ${o}`);return Pt(n,l,t,r,a,s,!1,o)}function ds(n,e,t,r,a,s,o="NDHWC"){const[i,u,l]=qi(e);let c,p;if(o==="NDHWC")p="channelsLast",c=[i,u,l,n[4],n[4]];else if(o==="NCDHW")p="channelsFirst",c=[i,u,l,n[1],n[1]];else throw new Error(`Unknown dataFormat ${o}`);return fs(n,c,t,r,a,!1,p,s)}function Pt(n,e,t,r,a,s,o=!1,i="channelsLast"){let[u,l,c,p]=[-1,-1,-1,-1];if(i==="channelsLast")[u,l,c,p]=n;else if(i==="channelsFirst")[u,p,l,c]=n;else throw new Error(`Unknown dataFormat ${i}`);const[h,d,,m]=e,[y,b]=so(t),[x,T]=so(r),$=sa(h,x),F=sa(d,T),{padInfo:M,outHeight:U,outWidth:X}=Q0(a,l,c,y,b,$,F,s,i),z=o?m*p:m;let L;return i==="channelsFirst"?L=[u,z,U,X]:i==="channelsLast"&&(L=[u,U,X,z]),{batchSize:u,dataFormat:i,inHeight:l,inWidth:c,inChannels:p,outHeight:U,outWidth:X,outChannels:z,padInfo:M,strideHeight:y,strideWidth:b,filterHeight:h,filterWidth:d,effectiveFilterHeight:$,effectiveFilterWidth:F,dilationHeight:x,dilationWidth:T,inShape:n,outShape:L,filterShape:e}}function fs(n,e,t,r,a,s=!1,o="channelsLast",i){let[u,l,c,p,h]=[-1,-1,-1,-1,-1];if(o==="channelsLast")[u,l,c,p,h]=n;else if(o==="channelsFirst")[u,h,l,c,p]=n;else throw new Error(`Unknown dataFormat ${o}`);const[d,m,y,,b]=e,[x,T,$]=qi(t),[F,M,U]=qi(r),X=sa(d,F),z=sa(m,M),L=sa(y,U),{padInfo:C,outDepth:q,outHeight:ee,outWidth:te}=e3(a,l,c,p,x,T,$,X,z,L,i),le=s?b*h:b;let de;return o==="channelsFirst"?de=[u,le,q,ee,te]:o==="channelsLast"&&(de=[u,q,ee,te,le]),{batchSize:u,dataFormat:o,inDepth:l,inHeight:c,inWidth:p,inChannels:h,outDepth:q,outHeight:ee,outWidth:te,outChannels:le,padInfo:C,strideDepth:x,strideHeight:T,strideWidth:$,filterDepth:d,filterHeight:m,filterWidth:y,effectiveFilterDepth:X,effectiveFilterHeight:z,effectiveFilterWidth:L,dilationDepth:F,dilationHeight:M,dilationWidth:U,inShape:n,outShape:de,filterShape:e}}function Z0(n,e,t,r,a){r==null&&(r=Bu(n,e,t));const s=n[0],o=n[1],i=$r((s-e+2*r)/t+1,a),u=$r((o-e+2*r)/t+1,a);return[i,u]}function J0(n,e,t,r,a,s){a==null&&(a=Bu(n,e,r));const o=n[0],i=n[1],u=n[2],l=$r((o-e+2*a)/r+1,s),c=$r((i-e+2*a)/r+1,s),p=$r((u-e+2*a)/r+1,s);return[l,c,p,t]}function Bu(n,e,t,r=1){const a=sa(e,r);return Math.floor((n[0]*(t-1)-t+a)/2)}function so(n){return typeof n=="number"?[n,n,n]:n.length===2?[n[0],n[1],1]:n}function qi(n){return typeof n=="number"?[n,n,n]:n}function sa(n,e){return e<=1?n:n+(n-1)*(e-1)}function Q0(n,e,t,r,a,s,o,i,u){let l,c,p;if(typeof n=="number"){l={top:n,bottom:n,left:n,right:n,type:n===0?"VALID":"NUMBER"};const h=Z0([e,t],s,r,n,i);c=h[0],p=h[1]}else if(n==="same"){c=Math.ceil(e/r),p=Math.ceil(t/a);const h=Math.max(0,(c-1)*r+s-e),d=Math.max(0,(p-1)*a+o-t),m=Math.floor(h/2),y=h-m,b=Math.floor(d/2),x=d-b;l={top:m,bottom:y,left:b,right:x,type:"SAME"}}else if(n==="valid")l={top:0,bottom:0,left:0,right:0,type:"VALID"},c=Math.ceil((e-s+1)/r),p=Math.ceil((t-o+1)/a);else if(typeof n=="object"){const h=u==="channelsLast"?n[1][0]:n[2][0],d=u==="channelsLast"?n[1][1]:n[2][1],m=u==="channelsLast"?n[2][0]:n[3][0],y=u==="channelsLast"?n[2][1]:n[3][1];

1073l={top:h,bottom:d,left:m,right:y,type:h===0&&d===0&&m===0&&y===0?"VALID":"EXPLICIT"},c=$r((e-s+h+d)/r+1,i),p=$r((t-o+m+y)/a+1,i)}else throw Error(`Unknown padding parameter: ${n}`);return{padInfo:l,outHeight:c,outWidth:p}}function e3(n,e,t,r,a,s,o,i,u,l,c){let p,h,d,m;if(typeof n=="number"){p={top:n,bottom:n,left:n,right:n,front:n,back:n,type:n===0?"VALID":"NUMBER"};const y=J0([e,t,r,1],i,1,a,n,c);h=y[0],d=y[1],m=y[2]}else if(n==="same"){h=Math.ceil(e/a),d=Math.ceil(t/s),m=Math.ceil(r/o);const y=(h-1)*a+i-e,b=(d-1)*s+u-t,x=(m-1)*o+l-r,T=Math.floor(y/2),$=y-T,F=Math.floor(b/2),M=b-F,U=Math.floor(x/2),X=x-U;p={top:F,bottom:M,left:U,right:X,front:T,back:$,type:"SAME"}}else if(n==="valid")p={top:0,bottom:0,left:0,right:0,front:0,back:0,type:"VALID"},h=Math.ceil((e-i+1)/a),d=Math.ceil((t-u+1)/s),m=Math.ceil((r-l+1)/o);else throw Error(`Unknown padding parameter: ${n}`);return{padInfo:p,outDepth:h,outHeight:d,outWidth:m}}function $r(n,e){if(!e)return Math.trunc(n);switch(e){case"round":return Math.round(n);case"ceil":return Math.ceil(n);case"floor":return Math.floor(n);default:throw new Error(`Unknown roundingMode ${e}`)}}function rs(n){const[e,t,r]=so(n);return e===1&&t===1&&r===1}function _t(n,e){return rs(n)||rs(e)}function xa(n){if(n==="NHWC")return"channelsLast";if(n==="NCHW")return"channelsFirst";throw new Error(`Unknown dataFormat ${n}`)}function Jt(n,e,t){if(t!=null){if(typeof e=="string")throw Error(`Error in ${n}: pad must be an integer when using dimRoundingMode ${t} but got pad ${e}.`);if(typeof e=="number")R(ua(e),()=>`Error in ${n}: pad must be an integer when using dimRoundingMode ${t} but got pad ${e}.`);else if(typeof e=="object")e.forEach(r=>{r.forEach(a=>{R(ua(a),()=>`Error in ${n}: pad must be an integer when using dimRoundingMode ${t} but got pad ${a}.`)})});else throw Error(`Error in ${n}: Unknown padding parameter: ${e}`)}}/**
1074 * @license
1075 * Copyright 2020 Google LLC. All Rights Reserved.
1076 * Licensed under the Apache License, Version 2.0 (the "License");
1077 * you may not use this file except in compliance with the License.
1078 * You may obtain a copy of the License at
1079 *
1080 * http://www.apache.org/licenses/LICENSE-2.0
1081 *
1082 * Unless required by applicable law or agreed to in writing, software
1083 * distributed under the License is distributed on an "AS IS" BASIS,
1084 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1085 * See the License for the specific language governing permissions and
1086 * limitations under the License.
1087 * =============================================================================
1088 */function t3(n,e){const t={x:N(n,"x","reshape","string_or_numeric")},r={shape:e};return V.runKernel(Vh,t,r)}const Z=P({reshape_:t3});/**
1089 * @license
1090 * Copyright 2020 Google LLC. All Rights Reserved.
1091 * Licensed under the Apache License, Version 2.0 (the "License");
1092 * you may not use this file except in compliance with the License.
1093 * You may obtain a copy of the License at
1094 *
1095 * http://www.apache.org/licenses/LICENSE-2.0
1096 *
1097 * Unless required by applicable law or agreed to in writing, software
1098 * distributed under the License is distributed on an "AS IS" BASIS,
1099 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1100 * See the License for the specific language governing permissions and
1101 * limitations under the License.
1102 * =============================================================================
1103 */function n3(n,e,t,r,a){const s=N(n,"x","avgPool","float32"),o=1;R(_t(t,o),()=>`Error in avgPool: Either strides or dilations must be 1. Got strides ${t} and dilations '${o}'`);let i=s,u=!1;s.rank===3&&(u=!0,i=Z(s,[1,s.shape[0],s.shape[1],s.shape[2]])),R(i.rank===4,()=>`Error in avgPool: x must be rank 4 but got rank ${i.rank}.`),Jt("avgPool",r,a);const l={x:i},c={filterSize:e,strides:t,pad:r,dimRoundingMode:a};let p=V.runKernel(ap,l,c);return p=je(p,s.dtype),u?Z(p,[p.shape[1],p.shape[2],p.shape[3]]):p}const $f=P({avgPool_:n3});/**
1104 * @license
1105 * Copyright 2020 Google LLC. All Rights Reserved.
1106 * Licensed under the Apache License, Version 2.0 (the "License");
1107 * you may not use this file except in compliance with the License.
1108 * You may obtain a copy of the License at
1109 *
1110 * http://www.apache.org/licenses/LICENSE-2.0
1111 *
1112 * Unless required by applicable law or agreed to in writing, softw

1112are
1113 * distributed under the License is distributed on an "AS IS" BASIS,
1114 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1115 * See the License for the specific language governing permissions and
1116 * limitations under the License.
1117 * =============================================================================
1118 */function r3(n,e,t,r,a,s="NDHWC"){const o=N(n,"x","avgPool3d","float32");let i=o,u=!1;o.rank===4&&(u=!0,i=Z(o,[1,o.shape[0],o.shape[1],o.shape[2],o.shape[3]])),R(i.rank===5,()=>`Error in avgPool3d: x must be rank 5 but got rank ${i.rank}.`),R(s==="NDHWC",()=>`Error in avgPool3d: Only NDHWC is currently supported, but got dataFormat of ${s}`),Jt("avgPool3d",r,a);const l={x:i},c={filterSize:e,strides:t,pad:r,dimRoundingMode:a,dataFormat:s};let p=V.runKernel(sp,l,c);return p=je(p,i.dtype),u?Z(p,[p.shape[1],p.shape[2],p.shape[3],p.shape[4]]):p}const a3=P({avgPool3d_:r3});/**
1119 * @license
1120 * Copyright 2020 Google LLC. All Rights Reserved.
1121 * Licensed under the Apache License, Version 2.0 (the "License");
1122 * you may not use this file except in compliance with the License.
1123 * You may obtain a copy of the License at
1124 *
1125 * http://www.apache.org/licenses/LICENSE-2.0
1126 *
1127 * Unless required by applicable law or agreed to in writing, software
1128 * distributed under the License is distributed on an "AS IS" BASIS,
1129 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1130 * See the License for the specific language governing permissions and
1131 * limitations under the License.
1132 * =============================================================================
1133 */function s3(n,e=0){R(n.length>=1,()=>"Pass at least one tensor to concat");const t=no(n,"tensors","concat","string_or_numeric");if(t[0].dtype==="complex64"&&t.forEach(s=>{if(s.dtype!=="complex64")throw new Error(`Cannot concatenate complex64 tensors with a tensor
1134          with dtype ${s.dtype}. `)}),t.length===1)return Jn(t[0]);const r=t,a={axis:e};return V.runKernel(fp,r,a)}const it=P({concat_:s3});/**
1135 * @license
1136 * Copyright 2018 Google LLC. All Rights Reserved.
1137 * Licensed under the Apache License, Version 2.0 (the "License");
1138 * you may not use this file except in compliance with the License.
1139 * You may obtain a copy of the License at
1140 *
1141 * http://www.apache.org/licenses/LICENSE-2.0
1142 *
1143 * Unless required by applicable law or agreed to in writing, software
1144 * distributed under the License is distributed on an "AS IS" BASIS,
1145 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1146 * See the License for the specific language governing permissions and
1147 * limitations under the License.
1148 * =============================================================================
1149 */function o3(n){const e={x:N(n,"x","sigmoid","float32")};return V.runKernel(nd,e)}const Rr=P({sigmoid_:o3});/**
1150 * @license
1151 * Copyright 2018 Google LLC. All Rights Reserved.
1152 * Licensed under the Apache License, Version 2.0 (the "License");
1153 * you may not use this file except in compliance with the License.
1154 * You may obtain a copy of the License at
1155 *
1156 * http://www.apache.org/licenses/LICENSE-2.0
1157 *
1158 * Unless required by applicable law or agreed to in writing, software
1159 * distributed under the License is distributed on an "AS IS" BASIS,
1160 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1161 * See the License for the specific language governing permissions and
1162 * limitations under the License.
1163 * =============================================================================
1164 */function i3(n,e,t){const r=N(n,"x","slice","string_or_numeric");if(r.rank===0)throw new Error("Slicing scalar is not possible");const a={x:r},s={begin:e,size:t};return V.runKernel(Jh,a,s)}const we=P({slice_:i3});/**
1165 * @license
1166 * Copyright 2018 Google LLC. All Rights Reserved.
1167 * Licensed under the Apache License, Version 2.0 (the "License");
1168 * you may not use this file except in compliance with the License.
1169 * You may obtain a copy of the License at
1170 *
1171 * http://www.apache.org/licenses/LICENSE-2.0
1172 *
1173 * Unless required by applicable law or agreed to in writing, softw

1173are
1174 * distributed under the License is distributed on an "AS IS" BASIS,
1175 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1176 * See the License for the specific language governing permissions and
1177 * limitations under the License.
1178 * =============================================================================
1179 */function u3(n){const e={x:N(n,"x","tanh","float32")};return V.runKernel(wd,e)}const Ki=P({tanh_:u3});/**
1180 * @license
1181 * Copyright 2020 Google LLC. All Rights Reserved.
1182 * Licensed under the Apache License, Version 2.0 (the "License");
1183 * you may not use this file except in compliance with the License.
1184 * You may obtain a copy of the License at
1185 *
1186 * http://www.apache.org/licenses/LICENSE-2.0
1187 *
1188 * Unless required by applicable law or agreed to in writing, software
1189 * distributed under the License is distributed on an "AS IS" BASIS,
1190 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1191 * See the License for the specific language governing permissions and
1192 * limitations under the License.
1193 * =============================================================================
1194 */function l3(n,e,t,r,a,s){const o=N(n,"forgetBias","basicLSTMCell"),i=N(e,"lstmKernel","basicLSTMCell"),u=N(t,"lstmBias","basicLSTMCell"),l=N(r,"data","basicLSTMCell"),c=N(a,"c","basicLSTMCell"),p=N(s,"h","basicLSTMCell"),h=it([l,p],1),d=Oe(h,i),m=Pe(d,u),y=m.shape[0],b=m.shape[1]/4,x=[y,b],T=we(m,[0,0],x),$=we(m,[0,b],x),F=we(m,[0,b*2],x),M=we(m,[0,b*3],x),U=Pe(me(Rr(T),Ki($)),me(c,Rr(Pe(o,F)))),X=me(Ki(U),Rr(M));return[U,X]}const c3=P({basicLSTMCell_:l3});/**
1195 * @license
1196 * Copyright 2020 Google LLC. All Rights Reserved.
1197 * Licensed under the Apache License, Version 2.0 (the "License");
1198 * you may not use this file except in compliance with the License.
1199 * You may obtain a copy of the License at
1200 *
1201 * http://www.apache.org/licenses/LICENSE-2.0
1202 *
1203 * Unless required by applicable law or agreed to in writing, software
1204 * distributed under the License is distributed on an "AS IS" BASIS,
1205 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1206 * See the License for the specific language governing permissions and
1207 * limitations under the License.
1208 * =============================================================================
1209 */function p3(n,e,t){const r=N(n,"x","batchToSpaceND"),a=e.reduce((i,u)=>i*u);R(r.rank>=1+e.length,()=>`input rank is ${r.rank} but should be > than blockShape.length ${e.length}`),R(t.length===e.length,()=>`crops.length is ${t.length} but should be equal to blockShape.length  ${e.length}`),R(r.shape[0]%a===0,()=>`input tensor batch is ${r.shape[0]} but is not divisible by the product of the elements of blockShape ${e.join(" * ")} === ${a}`);const s={x:r},o={blockShape:e,crops:t};return V.runKernel(ip,s,o)}const Rf=P({batchToSpaceND_:p3});function h3(n){let e;return n.rank===0||n.rank===1?e=Z(n,[1,1,1,n.size]):n.rank===2?e=Z(n,[1,1,n.shape[0],n.shape[1]]):n.rank===3?e=Z(n,[1,n.shape[0],n.shape[1],n.shape[2]]):e=n,e}/**
1210 * @license
1211 * Copyright 2020 Google LLC. All Rights Reserved.
1212 * Licensed under the Apache License, Version 2.0 (the "License");
1213 * you may not use this file except in compliance with the License.
1214 * You may obtain a copy of the License at
1215 *
1216 * http://www.apache.org/licenses/LICENSE-2.0
1217 *
1218 * Unless required by applicable law or agreed to in writing, software
1219 * distributed under the License is distributed on an "AS IS" BASIS,
1220 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1221 * See the License for the specific language governing permissions and
1222 * limitations under the License.
1223 * =============================================================================
1224 */function d3(n,e,t,r,a,s){s==null&&(s=.001);const o=N(n,"x","batchNorm"),i=N(e,"mean","batchNorm"),u=N(t,"variance","batchNorm");let l;a!=null&&(l=N(a,"scale","batchNorm"));let c;r!=null&&(c=N(r,"offset","batchNorm")),R(i.rank===u.rank,()=>"Batch normalization gradient requires mean and variance to have equal ranks."),R(c==null||i.rank===c.rank,()=>"Batch normalization gradient requires mean and offset to have equal ranks."),R(l==null||i.rank===l.rank,()=>"Batch normalization gradient requires mean and scale to have equal ranks.");const p={x:h3(o),scale:l,offset:c,mean:i,variance:u},h={varianceEpsilon:s},d=V.runKernel(jp,p,h);return Z(d,o.shape)}const To=P({batchNorm_:d3});function f3(n,e,t,r,a,s){const o=N(n,"x","batchNorm"),i=N(e,"mean","batchNorm"),u=N(t,"variance","batchNorm");let l;a!=null&&(l=N(a,"scale","batchNorm"));let c;return r!=null&&(c=N(r,"offset","batchNorm")),R(o.rank===2,()=>`Error in batchNorm2D: x must be rank 2 but got rank ${o.rank}.`),R(i.rank===2||i.rank===1,()=>`Error in batchNorm2D: mean must be rank 2 or rank 1 but got rank ${i.rank}

1224.`),R(u.rank===2||u.rank===1,()=>`Error in batchNorm2D: variance must be rank 2 or rank 1 but got rank ${u.rank}.`),l!=null&&R(l.rank===2||l.rank===1,()=>`Error in batchNorm2D: scale must be rank 2 or rank 1 but got rank ${l.rank}.`),c!=null&&R(c.rank===2||c.rank===1,()=>`Error in batchNorm2D: offset must be rank 2 or rank 1 but got rank ${c.rank}.`),To(o,i,u,c,l,s)}const m3=P({batchNorm2d_:f3});function g3(n,e,t,r,a,s){const o=N(n,"x","batchNorm"),i=N(e,"mean","batchNorm"),u=N(t,"variance","batchNorm");let l;a!=null&&(l=N(a,"scale","batchNorm"));let c;return r!=null&&(c=N(r,"offset","batchNorm")),R(o.rank===3,()=>`Error in batchNorm3D: x must be rank 3 but got rank ${o.rank}.`),R(i.rank===3||i.rank===1,()=>`Error in batchNorm3D: mean must be rank 3 or rank 1 but got rank ${i.rank}.`),R(u.rank===3||u.rank===1,()=>`Error in batchNorm3D: variance must be rank 3 or rank 1 but got rank ${u.rank}.`),l!=null&&R(l.rank===3||l.rank===1,()=>`Error in batchNorm3D: scale must be rank 3 or rank 1 but got rank ${l.rank}.`),c!=null&&R(c.rank===3||c.rank===1,()=>`Error in batchNorm3D: offset must be rank 3 or rank 1 but got rank ${c.rank}.`),To(o,i,u,c,l,s)}const y3=P({batchNorm3d_:g3});function x3(n,e,t,r,a,s){const o=N(n,"x","batchNorm"),i=N(e,"mean","batchNorm"),u=N(t,"variance","batchNorm");let l;a!=null&&(l=N(a,"scale","batchNorm"));let c;return r!=null&&(c=N(r,"offset","batchNorm")),R(o.rank===4,()=>`Error in batchNorm4D: x must be rank 4 but got rank ${o.rank}.`),R(i.rank===4||i.rank===1,()=>`Error in batchNorm4D: mean must be rank 4 or rank 1 but got rank ${i.rank}.`),R(u.rank===4||u.rank===1,()=>`Error in batchNorm4D: variance must be rank 4 or rank 1 but got rank ${u.rank}.`),l!=null&&R(l.rank===4||l.rank===1,()=>`Error in batchNorm4D: scale must be rank 4 or rank 1 but got rank ${l.rank}.`),c!=null&&R(c.rank===4||c.rank===1,()=>`Error in batchNorm4D: offset must be rank 4 or rank 1 but got rank ${c.rank}.`),To(o,i,u,c,l,s)}const b3=P({batchNorm4d_:x3});/**
1225 * @license
1226 * Copyright 2020 Google LLC. All Rights Reserved.
1227 * Licensed under the Apache License, Version 2.0 (the "License");
1228 * you may not use this file except in compliance with the License.
1229 * You may obtain a copy of the License at
1230 *
1231 * http://www.apache.org/licenses/LICENSE-2.0
1232 *
1233 * Unless required by applicable law or agreed to in writing, software
1234 * distributed under the License is distributed on an "AS IS" BASIS,
1235 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1236 * See the License for the specific language governing permissions and
1237 * limitations under the License.
1238 * =============================================================================
1239 */function v3(n,e,t){const r=N(n,"x","bincount"),a=N(e,"weights","bincount");R(r.dtype==="int32",()=>`Error in bincount: input dtype must be int32, but got ${r.dtype}`),R(t>=0,()=>`size must be non-negative, but got ${t}.`),R(a.size===r.size||a.size===0,()=>`Error in bincount: weights must have the same size as input or0-length, but got input shape: ${r.shape}, weights shape: ${a.shape}.`);const s={x:r,weights:a},o={size:t};return V.runKernel(up,s,o)}const _f=P({bincount_:v3});/**
1240 * @license
1241 * Copyright 2021 Google LLC. All Rights Reserved.
1242 * Licensed under the Apache License, Version 2.0 (the "License");
1243 * you may not use this file except in compliance with the License.
1244 * You may obtain a copy of the License at
1245 *
1246 * http://www.apache.org/licenses/LICENSE-2.0
1247 *
1248 * Unless required by applicable law or agreed to in writing, software
1249 * distributed under the License is distributed on an "AS IS" BASIS,
1250 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1251 * See the License for the specific language governing permissions and
1252 * limitations under the License.
1253 * =============================================================================
1254 */function w3(n,e){const t=N(n,"s0","broadcastArgs","int32"),r=N(e,"s1","broadcastArgs","int32");if(t.rank!==1)throw new Error(`broadcastArgs(): first input must be a vector (rank=1). Has rank ${t.rank}`);if(r.rank!==1)throw new Error(`broadcastArgs(): second input must be a vector (rank=1). Has rank ${r.rank}`);const a={s0:t,s1:r};return V.runKernel(lp,a)}const S3=P({broadcastArgs_:w3});/**
1255 * @license
1256 * Copyright 2020 Google LLC. All Rights Reserved.
1257 * Licensed under the Apache License, Version 2.0 (the "License");

1258 * you may not use this file except in compliance with the License.
1259 * You may obtain a copy of the License at
1260 *
1261 * http://www.apache.org/licenses/LICENSE-2.0
1262 *
1263 * Unless required by applicable law or agreed to in writing, software
1264 * distributed under the License is distributed on an "AS IS" BASIS,
1265 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1266 * See the License for the specific language governing permissions and
1267 * limitations under the License.
1268 * =============================================================================
1269 */function k3(n,e){let t=N(n,"broadcastTo","x");const r=t.shape;if(e.some(u=>!(u>0)||u%1!==0))throw new Error(`broadcastTo(): Invalid broadcast shape [${e}].`);if(e.length<t.rank)throw new Error(`broadcastTo(): shape.length=${e.length} < input.rank=${t.rank}.`);if(e.length>t.rank){const u=t.shape.slice();for(;u.length<e.length;)u.unshift(1);t=Z(t,u)}const a=t.shape,s=Array.from(e);for(let u=e.length-1;u>=0;u--)if(a[u]===e[u])s[u]=1;else if(t.shape[u]!==1)throw new Error(`broadcastTo(): [${r}] cannot be broadcast to [${e}].`);if(s.map((u,l)=>u>1?l:-1).filter(u=>u>=0).length===0)return Jn(t);const o={x:t},i={reps:s};return V.runKernel($u,o,i)}const Qa=P({broadcastTo_:k3});/**
1270 * @license
1271 * Copyright 2018 Google LLC. All Rights Reserved.
1272 * Licensed under the Apache License, Version 2.0 (the "License");
1273 * you may not use this file except in compliance with the License.
1274 * You may obtain a copy of the License at
1275 *
1276 * http://www.apache.org/licenses/LICENSE-2.0
1277 *
1278 * Unless required by applicable law or agreed to in writing, software
1279 * distributed under the License is distributed on an "AS IS" BASIS,
1280 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1281 * See the License for the specific language governing permissions and
1282 * limitations under the License.
1283 * =============================================================================
1284 */function T3(n){const e={x:N(n,"x","ceil","float32")};return V.runKernel(cp,e)}const E3=P({ceil_:T3});/**
1285 * @license
1286 * Copyright 2020 Google LLC. All Rights Reserved.
1287 * Licensed under the Apache License, Version 2.0 (the "License");
1288 * you may not use this file except in compliance with the License.
1289 * You may obtain a copy of the License at
1290 *
1291 * http://www.apache.org/licenses/LICENSE-2.0
1292 *
1293 * Unless required by applicable law or agreed to in writing, software
1294 * distributed under the License is distributed on an "AS IS" BASIS,
1295 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1296 * See the License for the specific language governing permissions and
1297 * limitations under the License.
1298 * =============================================================================
1299 */function Eo(n,e,t){const r={shape:n,value:e,dtype:t};return V.runKernel(Vp,{},r)}/**
1300 * @license
1301 * Copyright 2018 Google LLC. All Rights Reserved.
1302 * Licensed under the Apache License, Version 2.0 (the "License");
1303 * you may not use this file except in compliance with the License.
1304 * You may obtain a copy of the License at
1305 *
1306 * http://www.apache.org/licenses/LICENSE-2.0
1307 *
1308 * Unless required by applicable law or agreed to in writing, software
1309 * distributed under the License is distributed on an "AS IS" BASIS,
1310 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1311 * See the License for the specific language governing permissions and
1312 * limitations under the License.
1313 * =============================================================================
1314 */function C3(n,e,t){const r=N(n,"x","clipByValue");if(R(e<=t,()=>`Error in clip: min (${e}) must be less than or equal to max (${t}).`),e===t)return Eo(r.shape,e,r.dtype);const a={x:r},s={clipValueMin:e,clipValueMax:t};return V.runKernel(pp,a,s)}const Af=P({clipByValue_:C3});function I3(n){return it(n,0)}const N3=P({concat1d_:I3});function $3(n,e){return it(n,e)}const R3=P({concat2d_:$3});function _3(n,e){return it(n,e)}const A3=P({concat3d_:_3});function O3(n,e){return it(n,e)}const F3=P({concat4d_:O3});/**
1315 * @license
1316 * Copyright 2020 Google LLC. All Rights Reserved.
1317 * Licensed under the Apache License, Version 2.0 (the "License");

1318 * you may not use this file except in compliance with the License.
1319 * You may obtain a copy of the License at
1320 *
1321 * http://www.apache.org/licenses/LICENSE-2.0
1322 *
1323 * Unless required by applicable law or agreed to in writing, software
1324 * distributed under the License is distributed on an "AS IS" BASIS,
1325 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1326 * See the License for the specific language governing permissions and
1327 * limitations under the License.
1328 * =============================================================================
1329 */function D3(n,e,t,r,a="NHWC",s=[1,1],o){const i=N(n,"x","conv2d","float32"),u=N(e,"filter","conv2d","float32");let l=i,c=!1;i.rank===3&&(c=!0,l=Z(i,[1,i.shape[0],i.shape[1],i.shape[2]])),R(l.rank===4,()=>`Error in conv2d: input must be rank 4, but got rank ${l.rank}.`),R(u.rank===4,()=>`Error in conv2d: filter must be rank 4, but got rank ${u.rank}.`),Jt("conv2d",r,o);const p=a==="NHWC"?l.shape[3]:l.shape[1];R(p===u.shape[2],()=>`Error in conv2d: depth of input (${p}) must match input depth for filter ${u.shape[2]}.`),R(_t(t,s),()=>`Error in conv2D: Either strides or dilations must be 1. Got strides ${t} and dilations '${s}'`);const h={x:l,filter:u},d={strides:t,pad:r,dataFormat:a,dilations:s,dimRoundingMode:o},m=V.runKernel(mp,h,d);return c?Z(m,[m.shape[1],m.shape[2],m.shape[3]]):m}const Co=P({conv2d_:D3});function M3(n,e,t,r,a="NWC",s=1,o){const i=N(n,"x","conv1d"),u=N(e,"filter","conv1d");let l=i,c=!1;i.rank===2&&(c=!0,l=Z(i,[1,i.shape[0],i.shape[1]])),R(l.rank===3,()=>`Error in conv1d: input must be rank 3, but got rank ${l.rank}.`),R(u.rank===3,()=>`Error in conv1d: filter must be rank 3, but got rank ${u.rank}.`),Jt("conv1d",r,o),R(l.shape[2]===u.shape[1],()=>`Error in conv1d: depth of input (${l.shape[2]}) must match input depth for filter ${u.shape[1]}.`),R(_t(t,s),()=>`Error in conv1D: Either stride or dilation must be 1. Got stride ${t} and dilation '${s}'`),R(a==="NWC",()=>`Error in conv1d: got dataFormat of ${a} but only NWC is currently supported.`);const p=Z(u,[1,u.shape[0],u.shape[1],u.shape[2]]),h=Z(l,[l.shape[0],1,l.shape[1],l.shape[2]]),d=Co(h,p,[1,t],r,"NHWC",[1,s],o);return c?Z(d,[d.shape[2],d.shape[3]]):Z(d,[d.shape[0],d.shape[2],d.shape[3]])}const L3=P({conv1d_:M3});/**
1330 * @license
1331 * Copyright 2020 Google LLC. All Rights Reserved.
1332 * Licensed under the Apache License, Version 2.0 (the "License");
1333 * you may not use this file except in compliance with the License.
1334 * You may obtain a copy of the License at
1335 *
1336 * http://www.apache.org/licenses/LICENSE-2.0
1337 *
1338 * Unless required by applicable law or agreed to in writing, software
1339 * distributed under the License is distributed on an "AS IS" BASIS,
1340 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1341 * See the License for the specific language governing permissions and
1342 * limitations under the License.
1343 * =============================================================================
1344 */function P3(n,e,t,r,a,s="NHWC",o){R(n.length===e.rank,()=>`Length of inShape (${n.length}) and rank of dy (${e.rank}) must match`);let i=n,u=e,l=!1;e.rank===3&&(l=!0,u=Z(e,[1,e.shape[0],e.shape[1],e.shape[2]]),i=[1,n[0],n[1],n[2]]),R(i.length===4,()=>`Error in conv2dDerInput: inShape must be length 4, but got length ${i.length}.`),R(u.rank===4,()=>`Error in conv2dDerInput: dy must be rank 4, but got rank ${u.rank}`),R(t.rank===4,()=>`Error in conv2dDerInput: filter must be rank 4, but got rank ${t.rank}`);const c=s==="NHWC"?i[3]:i[1],p=s==="NHWC"?u.shape[3]:u.shape[1];R(c===t.shape[2],()=>`Error in conv2dDerInput: depth of input (${c}) must match input depth for filter ${t.shape[2]}.`),R(p===t.shape[3],()=>`Error in conv2dDerInput: depth of output (${p}) must match output depth for filter ${t.shape[3]}.`),Jt("conv2dDerInput",a,o);const h={dy:u,filter:t},d={strides:r,pad:a,dataFormat:s,dimRoundingMode:o,inputShape:i},m=V.runKernel(yp,h,d);return l?Z(m,[m.shape[1],m.shape[2],m.shape[3]]):m}const Of=P({conv2DBackpropInput_:P3});function B3(n,e,t,r,a,s){const o=N(n,"x","conv2dTranspose"),i=N(e,"filter","conv2dTranspose");return Of(t,o,i,r,a,"NHWC",s)}const U3=P({conv2dTranspose_:B3});/**
1345 * @license
1346 * Copyright 2020 Google LLC. All Rights Reserved.
1347 * Licensed under the Apache License, Version 2.0 (the "License");

1348 * you may not use this file except in compliance with the License.
1349 * You may obtain a copy of the License at
1350 *
1351 * http://www.apache.org/licenses/LICENSE-2.0
1352 *
1353 * Unless required by applicable law or agreed to in writing, software
1354 * distributed under the License is distributed on an "AS IS" BASIS,
1355 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1356 * See the License for the specific language governing permissions and
1357 * limitations under the License.
1358 * =============================================================================
1359 */function V3(n,e,t,r,a="NDHWC",s=[1,1,1]){const o=N(n,"x","conv3d"),i=N(e,"filter","conv3d");let u=o,l=!1;o.rank===4&&(l=!0,u=Z(o,[1,o.shape[0],o.shape[1],o.shape[2],o.shape[3]])),R(u.rank===5,()=>`Error in conv3d: input must be rank 5, but got rank ${u.rank}.`),R(i.rank===5,()=>`Error in conv3d: filter must be rank 5, but got rank ${i.rank}.`),R(u.shape[4]===i.shape[3],()=>`Error in conv3d: depth of input (${u.shape[4]}) must match input depth for filter ${i.shape[3]}.`),R(_t(t,s),()=>`Error in conv3D: Either strides or dilations must be 1. Got strides ${t} and dilations '${s}'`),R(a==="NDHWC",()=>`Error in conv3d: got dataFormat of ${a} but only NDHWC is currently supported.`);const c={x:u,filter:i},p={strides:t,pad:r,dataFormat:a,dilations:s},h=V.runKernel(xp,c,p);return l?Z(h,[h.shape[1],h.shape[2],h.shape[3],h.shape[4]]):h}const W3=P({conv3d_:V3});/**
1360 * @license
1361 * Copyright 2020 Google LLC. All Rights Reserved.
1362 * Licensed under the Apache License, Version 2.0 (the "License");
1363 * you may not use this file except in compliance with the License.
1364 * You may obtain a copy of the License at
1365 *
1366 * http://www.apache.org/licenses/LICENSE-2.0
1367 *
1368 * Unless required by applicable law or agreed to in writing, software
1369 * distributed under the License is distributed on an "AS IS" BASIS,
1370 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1371 * See the License for the specific language governing permissions and
1372 * limitations under the License.
1373 * =============================================================================
1374 */function z3(n,e,t,r,a){R(n.length===e.rank,()=>`Length of inShape (${n.length}) and rank of dy (${e.rank}) must match`);let s=n,o=e,i=!1;e.rank===4&&(i=!0,o=Z(e,[1,e.shape[0],e.shape[1],e.shape[2],e.shape[3]]),s=[1,n[0],n[1],n[2],n[3]]);const u=s[4],l=o.shape[4];R(s.length===5,()=>`Error in conv3dDerInput: inShape must be length 5, but got length ${s.length}.`),R(o.rank===5,()=>`Error in conv3dDerInput: dy must be rank 5, but got rank ${o.rank}`),R(t.rank===5,()=>`Error in conv3dDerInput: filter must be rank 5, but got rank ${t.rank}`),R(u===t.shape[3],()=>`Error in conv3dDerInput: depth of input (${u}) must match input depth for filter ${t.shape[3]}.`),R(l===t.shape[4],()=>`Error in conv3dDerInput: depth of output (${l}) must match output depth for filter ${t.shape[4]}.`);const c={dy:o,filter:t},p={pad:a,strides:r,inputShape:s},h=V.runKernel(bp,c,p);return i?Z(h,[h.shape[1],h.shape[2],h.shape[3],h.shape[4]]):h}const G3=P({conv3DBackpropInput_:z3});function j3(n,e,t,r,a){const s=N(n,"x","conv3dTranspose"),o=N(e,"filter","conv3dTranspose");return G3(t,s,o,r,a)}const H3=P({conv3dTranspose_:j3});/**
1375 * @license
1376 * Copyright 2018 Google LLC. All Rights Reserved.
1377 * Licensed under the Apache License, Version 2.0 (the "License");
1378 * you may not use this file except in compliance with the License.
1379 * You may obtain a copy of the License at
1380 *
1381 * http://www.apache.org/licenses/LICENSE-2.0
1382 *
1383 * Unless required by applicable law or agreed to in writing, software
1384 * distributed under the License is distributed on an "AS IS" BASIS,
1385 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1386 * See the License for the specific language governing permissions and
1387 * limitations under the License.
1388 * =============================================================================
1389 */function X3(n){const e={x:N(n,"x","cos","float32")};return V.runKernel(vp,e)}const q3=P({cos_:X3});/**
1390 * @license
1391 * Copyright 2018 Google LLC. All Rights Reserved.
1392 * Licensed under the Apache License, Version 2.0 (the "License");

1393 * you may not use this file except in compliance with the License.
1394 * You may obtain a copy of the License at
1395 *
1396 * http://www.apache.org/licenses/LICENSE-2.0
1397 *
1398 * Unless required by applicable law or agreed to in writing, software
1399 * distributed under the License is distributed on an "AS IS" BASIS,
1400 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1401 * See the License for the specific language governing permissions and
1402 * limitations under the License.
1403 * =============================================================================
1404 */function K3(n){const e={x:N(n,"x","cosh","float32")};return V.runKernel(wp,e)}const Y3=P({cosh_:K3});/**
1405 * @license
1406 * Copyright 2022 Google LLC. All Rights Reserved.
1407 * Licensed under the Apache License, Version 2.0 (the 'License');
1408 * you may not use this file except in compliance with the License.
1409 * You may obtain a copy of the License at
1410 *
1411 * http://www.apache.org/licenses/LICENSE-2.0
1412 *
1413 * Unless required by applicable law or agreed to in writing, software
1414 * distributed under the License is distributed on an 'AS IS' BASIS,
1415 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1416 * See the License for the specific language governing permissions and
1417 * limitations under the License.
1418 * =============================================================================
1419 */function Z3(n,e=0,t=!1,r=!1){const a={x:N(n,"x","cumprod")},s={axis:e,exclusive:t,reverse:r};return V.runKernel(Sp,a,s)}const J3=P({cumprod_:Z3});/**
1420 * @license
1421 * Copyright 2018 Google LLC. All Rights Reserved.
1422 * Licensed under the Apache License, Version 2.0 (the "License");
1423 * you may not use this file except in compliance with the License.
1424 * You may obtain a copy of the License at
1425 *
1426 * http://www.apache.org/licenses/LICENSE-2.0
1427 *
1428 * Unless required by applicable law or agreed to in writing, software
1429 * distributed under the License is distributed on an "AS IS" BASIS,
1430 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1431 * See the License for the specific language governing permissions and
1432 * limitations under the License.
1433 * =============================================================================
1434 */function Q3(n,e=0,t=!1,r=!1){const a={x:N(n,"x","cumsum")},s={axis:e,exclusive:t,reverse:r};return V.runKernel(kp,a,s)}const ey=P({cumsum_:Q3});/**
1435 * @license
1436 * Copyright 2020 Google LLC. All Rights Reserved.
1437 * Licensed under the Apache License, Version 2.0 (the "License");
1438 * you may not use this file except in compliance with the License.
1439 * You may obtain a copy of the License at
1440 *
1441 * http://www.apache.org/licenses/LICENSE-2.0
1442 *
1443 * Unless required by applicable law or agreed to in writing, software
1444 * distributed under the License is distributed on an "AS IS" BASIS,
1445 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1446 * See the License for the specific language governing permissions and
1447 * limitations under the License.
1448 * =============================================================================
1449 */function ty(n,e,t,r=!1){const a=N(n,"x","denseBincount"),s=N(e,"weights","denseBincount");R(a.dtype==="int32",()=>`Error in denseBincount: input dtype must be int32, but got ${a.dtype}`),R(a.rank<=2,()=>`Error in denseBincount: input must be at most rank 2, but got rank ${a.rank}.`),R(t>=0,()=>`size must be non-negative, but got ${t}.`),R(s.size===a.size||s.size===0,()=>`Error in denseBincount: weights must have the same shape as x or 0-length, but got x shape: ${a.shape}, weights shape: ${s.shape}.`);const o={x:a,weights:s},i={size:t,binaryOutput:r};return V.runKernel(Ep,o,i)}const ny=P({denseBincount_:ty});/**
1450 * @license
1451 * Copyright 2020 Google LLC. All Rights Reserved.
1452 * Licensed under the Apache License, Version 2.0 (the "License");
1453 * you may not use this file except in compliance with the License.
1454 * You may obtain a copy of the License at
1455 *
1456 * http://www.apache.org/licenses/LICENSE-2.0
1457 *
1458 * Unless required by applicable law or agreed to in writing, software
1459 * distributed under the License is distributed on an "AS IS" BASIS,
1460 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1461 * See the License for the specific language governing permissions and
1462 * limitations under the License.
1463 * =============================================================================
1464 */function ry(n,e,t="NHWC"){const r=N(n,"x","depthToSpace","float32"),a=t==="NHWC"?r.shape[1]:r.shape[2],s=t==="NHWC"?r.shape[2]:r.shape[3],o=t==="NHWC"?r.shape[3]:r.shape[1];R(e>1,()=>`blockSize should be > 1 for depthToSpace, but was: ${e}`),R(a*e>=0,()=>

1464`Negative dimension size caused by overflow when multiplying
1465    ${a} and ${e}  for depthToSpace with input shape
1466    ${r.shape}`),R(s*e>=0,()=>`Negative dimension size caused by overflow when multiplying
1467    ${s} and ${e} for depthToSpace with input shape
1468        ${r.shape}`),R(o%(e*e)===0,()=>`Dimension size must be evenly divisible by ${e*e} but is ${o} for depthToSpace with input shape ${r.shape}`);const i={x:r},u={blockSize:e,dataFormat:t};return V.runKernel(Cp,i,u)}const ay=P({depthToSpace_:ry});/**
1469 * @license
1470 * Copyright 2020 Google LLC. All Rights Reserved.
1471 * Licensed under the Apache License, Version 2.0 (the "License");
1472 * you may not use this file except in compliance with the License.
1473 * You may obtain a copy of the License at
1474 *
1475 * http://www.apache.org/licenses/LICENSE-2.0
1476 *
1477 * Unless required by applicable law or agreed to in writing, software
1478 * distributed under the License is distributed on an "AS IS" BASIS,
1479 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1480 * See the License for the specific language governing permissions and
1481 * limitations under the License.
1482 * =============================================================================
1483 */function sy(n,e,t,r,a="NHWC",s=[1,1],o){const i=N(n,"x","depthwiseConv2d","float32"),u=N(e,"filter","depthwiseConv2d","float32");let l=i,c=!1;i.rank===3&&(c=!0,l=Z(i,[1,i.shape[0],i.shape[1],i.shape[2]])),R(l.rank===4,()=>`Error in depthwiseConv2d: input must be rank 4, but got rank ${l.rank}.`),R(u.rank===4,()=>`Error in depthwiseConv2d: filter must be rank 4, but got rank ${u.rank}.`);const p=a==="NHWC"?l.shape[3]:l.shape[1];R(p===u.shape[2],()=>`Error in depthwiseConv2d: number of input channels (${p}) must match the inChannels dimension in filter ${u.shape[2]}.`),Jt("depthwiseConv2d",r,o);const h={x:l,filter:u},d={strides:t,pad:r,dataFormat:a,dilations:s,dimRoundingMode:o},m=V.runKernel(Ip,h,d);return c?Z(m,[m.shape[1],m.shape[2],m.shape[3]]):m}const Uu=P({depthwiseConv2d_:sy});/**
1484 * @license
1485 * Copyright 2020 Google LLC. All Rights Reserved.
1486 * Licensed under the Apache License, Version 2.0 (the "License");
1487 * you may not use this file except in compliance with the License.
1488 * You may obtain a copy of the License at
1489 *
1490 * http://www.apache.org/licenses/LICENSE-2.0
1491 *
1492 * Unless required by applicable law or agreed to in writing, software
1493 * distributed under the License is distributed on an "AS IS" BASIS,
1494 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1495 * See the License for the specific language governing permissions and
1496 * limitations under the License.
1497 * =============================================================================
1498 */function oy(n){const e={x:N(n,"x","diag")};return V.runKernel(Rp,e)}const iy=P({diag_:oy});/**
1499 * @license
1500 * Copyright 2020 Google LLC. All Rights Reserved.
1501 * Licensed under the Apache License, Version 2.0 (the "License");
1502 * you may not use this file except in compliance with the License.
1503 * You may obtain a copy of the License at
1504 *
1505 * http://www.apache.org/licenses/LICENSE-2.0
1506 *
1507 * Unless required by applicable law or agreed to in writing, software
1508 * distributed under the License is distributed on an "AS IS" BASIS,
1509 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1510 * See the License for the specific language governing permissions and
1511 * limitations under the License.
1512 * =============================================================================
1513 */function uy(n,e,t,r,a=[1,1],s="NHWC"){const o=N(n,"x","dilation2d"),i=N(e,"filter","dilation2d");R(o.rank===3||o.rank===4,()=>`Error in dilation2d: input must be rank 3 or 4, but got rank ${o.rank}.`),R(i.rank===3,()=>`Error in dilation2d: filter must be rank 3, but got rank ${i.rank}.`),R(s==="NHWC",()=>`Error in dilation2d: Only NHWC is currently supported, but got dataFormat of ${s}`);let u=o,l=!1;o.rank===3&&(u=Z(o,[1,o.shape[0],o.shape[1],o.shape[2]]),l=!0);const c={x:u,filter:i},p={strides:t,pad:r,dilations:a},h=V.runKernel(_p,c,p);return l?Z(h,[h.shape[1],h.shape[2],h.shape[3]]):h}const ly=P({dilation2d_:uy});/**
1514 * @license
1515 * Copyright 2020 Google LLC. All Rights Reserved.
1516 * Licensed under the Apache License, Version 2.0 (the "License");

1517 * you may not use this file except in compliance with the License.
1518 * You may obtain a copy of the License at
1519 *
1520 * http://www.apache.org/licenses/LICENSE-2.0
1521 *
1522 * Unless required by applicable law or agreed to in writing, software
1523 * distributed under the License is distributed on an "AS IS" BASIS,
1524 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1525 * See the License for the specific language governing permissions and
1526 * limitations under the License.
1527 * =============================================================================
1528 */function cy(n,e){let t=N(n,"a","equal","string_or_numeric"),r=N(e,"b","equal","string_or_numeric");[t,r]=Ke(t,r),$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(Mp,a)}const Ff=P({equal_:cy});/**
1529 * @license
1530 * Copyright 2020 Google LLC. All Rights Reserved.
1531 * Licensed under the Apache License, Version 2.0 (the "License");
1532 * you may not use this file except in compliance with the License.
1533 * You may obtain a copy of the License at
1534 *
1535 * http://www.apache.org/licenses/LICENSE-2.0
1536 *
1537 * Unless required by applicable law or agreed to in writing, software
1538 * distributed under the License is distributed on an "AS IS" BASIS,
1539 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1540 * See the License for the specific language governing permissions and
1541 * limitations under the License.
1542 * =============================================================================
1543 */function py(n,e,t){const r=N(e,"a","where"),a=N(t,"b","where"),s=N(n,"condition","where","bool"),o=$e($e(s.shape,r.shape),a.shape),i=Qa(s,o),u=Qa(r,o),l=Qa(a,o),c={condition:i,t:u,e:l};return V.runKernel(Yh,c)}const ha=P({where_:py});/**
1544 * @license
1545 * Copyright 2018 Google LLC. All Rights Reserved.
1546 * Licensed under the Apache License, Version 2.0 (the "License");
1547 * you may not use this file except in compliance with the License.
1548 * You may obtain a copy of the License at
1549 *
1550 * http://www.apache.org/licenses/LICENSE-2.0
1551 *
1552 * Unless required by applicable law or agreed to in writing, software
1553 * distributed under the License is distributed on an "AS IS" BASIS,
1554 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1555 * See the License for the specific language governing permissions and
1556 * limitations under the License.
1557 * =============================================================================
1558 */function hy(n){const e={x:N(n,"x","zerosLike")};return V.runKernel(Id,e)}const Vu=P({zerosLike_:hy});/**
1559 * @license
1560 * Copyright 2020 Google LLC. All Rights Reserved.
1561 * Licensed under the Apache License, Version 2.0 (the "License");
1562 * you may not use this file except in compliance with the License.
1563 * You may obtain a copy of the License at
1564 *
1565 * http://www.apache.org/licenses/LICENSE-2.0
1566 *
1567 * Unless required by applicable law or agreed to in writing, software
1568 * distributed under the License is distributed on an "AS IS" BASIS,
1569 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1570 * See the License for the specific language governing permissions and
1571 * limitations under the License.
1572 * =============================================================================
1573 */function dy(n,e){let t=N(n,"a","div"),r=N(e,"b","div");[t,r]=Ke(t,r);const a=De(t,r),s=Vu(a),o=Ff(r,s);return ha(o,s,a)}const fy=P({divNoNan_:dy});/**
1574 * @license
1575 * Copyright 2020 Google LLC. All Rights Reserved.
1576 * Licensed under the Apache License, Version 2.0 (the "License");
1577 * you may not use this file except in compliance with the License.
1578 * You may obtain a copy of the License at
1579 *
1580 * http://www.apache.org/licenses/LICENSE-2.0
1581 *
1582 * Unless required by applicable law or agreed to in writing, software
1583 * distributed under the License is distributed on an "AS IS" BASIS,
1584 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1585 * See the License for the specific language governing permissions and
1586 * limitations under the License.
1587 * =============================================================================
1588 */function my(n,e){const t=N(n,"t1","dot"),r=N(e,"t2","dot");R((t.rank===1||t.rank===2)&&(r.rank===1||r.rank===2),()=>`Error in dot: inputs must all be rank 1 or 2, but got ranks ${t.rank} and ${r.rank}.`);const a=t.rank===1?t.size:t.shape[1],s=r.rank===1?r.size:r.shape[0];if(R(a===s,()=>`Error in dot: inner dimensions of inputs must match, but got ${a} and ${s}.`),t.rank===1&&r.rank===1){const o=Z(t,[1,-1]),i=Z(r,[-1,1]),u=Oe(o,i);return Z(u,[])}else if(t.rank===1&&r.rank===2){const o=Z(t,[1,-1]),i=Z(r,[r.shape[0],r.shape[1]]),u=Oe(o,i);return Z(u,[u.size])}else if(t.rank===2&&r.rank===1){const o=Z(r,[-1,1]),i=Oe(t,o);return Z(i,[i.size])}else{const o=Z(r,[r.shape[0],r.shape[1]]);return Oe(t,o)}}const gy=P({dot_:my});/**
1589 * @license
1590 * Copyright 2021 Google LLC. All Rights Reserved.
1591 * Licensed under the Apache License, Version 2.0 (the "License");

1592 * you may not use this file except in compliance with the License.
1593 * You may obtain a copy of the License at
1594 *
1595 * http://www.apache.org/licenses/LICENSE-2.0
1596 *
1597 * Unless required by applicable law or agreed to in writing, software
1598 * distributed under the License is distributed on an "AS IS" BASIS,
1599 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1600 * See the License for the specific language governing permissions and
1601 * limitations under the License.
1602 * =============================================================================
1603 */function yy(n,...e){const t=e.map((a,s)=>N(a,`tensors${s}`,"einsum")),r={equation:n};return V.runKernel(Op,t,r)}const xy=P({einsum_:yy});/**
1604 * @license
1605 * Copyright 2020 Google LLC. All Rights Reserved.
1606 * Licensed under the Apache License, Version 2.0 (the "License");
1607 * you may not use this file except in compliance with the License.
1608 * You may obtain a copy of the License at
1609 *
1610 * http://www.apache.org/licenses/LICENSE-2.0
1611 *
1612 * Unless required by applicable law or agreed to in writing, software
1613 * distributed under the License is distributed on an "AS IS" BASIS,
1614 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1615 * See the License for the specific language governing permissions and
1616 * limitations under the License.
1617 * =============================================================================
1618 */function by(n){const e={x:N(n,"x","elu","float32")};return V.runKernel(Fp,e)}const Df=P({elu_:by});/**
1619 * @license
1620 * Copyright 2018 Google LLC. All Rights Reserved.
1621 * Licensed under the Apache License, Version 2.0 (the "License");
1622 * you may not use this file except in compliance with the License.
1623 * You may obtain a copy of the License at
1624 *
1625 * http://www.apache.org/licenses/LICENSE-2.0
1626 *
1627 * Unless required by applicable law or agreed to in writing, software
1628 * distributed under the License is distributed on an "AS IS" BASIS,
1629 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1630 * See the License for the specific language governing permissions and
1631 * limitations under the License.
1632 * =============================================================================
1633 */function vy(n){let e=N(n,"x","erf");R(e.dtype==="int32"||e.dtype==="float32",()=>"Input dtype must be `int32` or `float32`."),e.dtype==="int32"&&(e=je(e,"float32"));const t={x:e};return V.runKernel(Dp,t)}const wy=P({erf_:vy});/**
1634 * @license
1635 * Copyright 2017 Google LLC. All Rights Reserved.
1636 * Licensed under the Apache License, Version 2.0 (the "License");
1637 * you may not use this file except in compliance with the License.
1638 * You may obtain a copy of the License at
1639 *
1640 * http://www.apache.org/licenses/LICENSE-2.0
1641 *
1642 * Unless required by applicable law or agreed to in writing, software
1643 * distributed under the License is distributed on an "AS IS" BASIS,
1644 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1645 * See the License for the specific language governing permissions and
1646 * limitations under the License.
1647 * =============================================================================
1648 */function Wu(n,e){for(let t=0;t<n.length;++t)if(n[n.length-t-1]!==e-1-t)return!1;return!0}function Mf(n,e,t){const r=n.length+e.length,a=[];let s=0,o=0;for(let i=0;i<r;i++)t.indexOf(i)===-1?a.push(n[s++]):a.push(e[o++]);return a}function kn(n,e){const t=[],r=n.length;for(let s=0;s<r;s++)e.indexOf(s)===-1&&t.push(n[s]);const a=e.map(s=>n[s]);return[t,a]}function Bt(n,e){const t=e.map(r=>1);return Mf(n,t,e)}function hn(n,e,t){R(Wu(e,t),()=>`${n} supports only inner-most axes for now. Got axes ${e} and rank-${t} input.`)}function Qt(n,e){if(Wu(n,e))return null;const t=[];for(let r=0;r<e;++r)n.indexOf(r)===-1&&t.push(r);return n.forEach(r=>t.push(r)),t}function zu(n){return n.map((e,t)=>[t,e]).sort((e,t)=>e[1]-t[1]).map(e=>e[0])}function en(n,e){const t=[];for(let r=e-n;r<e;++r)t.push(r);return t}/**
1649 * @license
1650 * Copyright 2020 Google LLC. All Rights Reserved.
1651 * Licensed under the Apache License, Version 2.0 (the "License");
1652 * you may not use this file except in compliance with the License.
1653 * You may obtain a copy of the License at
1654 *
1655 * http://www.apache.org/licenses/LICENSE-2.0
1656 *
1657 * Unless required by applicable law or agreed to in writing, softw

1657are
1658 * distributed under the License is distributed on an "AS IS" BASIS,
1659 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1660 * See the License for the specific language governing permissions and
1661 * limitations under the License.
1662 * =============================================================================
1663 */function Sy(n,e=null,t=!1){const r={x:N(n,"x","max")},a={reductionIndices:e,keepDims:t};return V.runKernel(ph,r,a)}const oa=P({max_:Sy});/**
1664 * @license
1665 * Copyright 2020 Google Inc. All Rights Reserved.
1666 * Licensed under the Apache License, Version 2.0 (the "License");
1667 * you may not use this file except in compliance with the License.
1668 * You may obtain a copy of the License at
1669 *
1670 * http://www.apache.org/licenses/LICENSE-2.0
1671 *
1672 * Unless required by applicable law or agreed to in writing, software
1673 * distributed under the License is distributed on an "AS IS" BASIS,
1674 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1675 * See the License for the specific language governing permissions and
1676 * limitations under the License.
1677 * =============================================================================
1678 */function ky(n,e=null,t=!1){const r={x:N(n,"x","min")},a={axis:e,keepDims:t};return V.runKernel(yh,r,a)}const Yi=P({min_:ky});/**
1679 * @license
1680 * Copyright 2020 Google LLC. All Rights Reserved.
1681 * Licensed under the Apache License, Version 2.0 (the "License");
1682 * you may not use this file except in compliance with the License.
1683 * You may obtain a copy of the License at
1684 *
1685 * http://www.apache.org/licenses/LICENSE-2.0
1686 *
1687 * Unless required by applicable law or agreed to in writing, software
1688 * distributed under the License is distributed on an "AS IS" BASIS,
1689 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1690 * See the License for the specific language governing permissions and
1691 * limitations under the License.
1692 * =============================================================================
1693 */function Ty(n,e){let t=N(n,"base","pow"),r=N(e,"exp","pow");[t,r]=Ke(t,r);const a={a:t,b:r};return V.runKernel(Ah,a)}const Gu=P({pow_:Ty});/**
1694 * @license
1695 * Copyright 2018 Google LLC. All Rights Reserved.
1696 * Licensed under the Apache License, Version 2.0 (the "License");
1697 * you may not use this file except in compliance with the License.
1698 * You may obtain a copy of the License at
1699 *
1700 * http://www.apache.org/licenses/LICENSE-2.0
1701 *
1702 * Unless required by applicable law or agreed to in writing, software
1703 * distributed under the License is distributed on an "AS IS" BASIS,
1704 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1705 * See the License for the specific language governing permissions and
1706 * limitations under the License.
1707 * =============================================================================
1708 */function Ae(n,e){if((wn(n)&&e!=="string"||Array.isArray(n))&&e!=="complex64")throw new Error("Error creating a new Scalar: value must be a primitive (number|boolean|string)");if(e==="string"&&wn(n)&&!(n instanceof Uint8Array))throw new Error("When making a scalar from encoded string, the value must be `Uint8Array`.");return sr(n,[],[],e)}/**
1709 * @license
1710 * Copyright 2018 Google LLC. All Rights Reserved.
1711 * Licensed under the Apache License, Version 2.0 (the "License");
1712 * you may not use this file except in compliance with the License.
1713 * You may obtain a copy of the License at
1714 *
1715 * http://www.apache.org/licenses/LICENSE-2.0
1716 *
1717 * Unless required by applicable law or agreed to in writing, software
1718 * distributed under the License is distributed on an "AS IS" BASIS,
1719 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1720 * See the License for the specific language governing permissions and
1721 * limitations under the License.
1722 * =============================================================================
1723 */function Ey(n){const e={x:N(n,"x","sqrt","float32")};return V.runKernel(ad,e)}const Zi=P({sqrt_:Ey});/**
1724 * @license
1725 * Copyright 2019 Google LLC. All Rights Reserved.
1726 * Licensed under the Apache License, Version 2.0 (the "License");

1727 * you may not use this file except in compliance with the License.
1728 * You may obtain a copy of the License at
1729 *
1730 * http://www.apache.org/licenses/LICENSE-2.0
1731 *
1732 * Unless required by applicable law or agreed to in writing, software
1733 * distributed under the License is distributed on an "AS IS" BASIS,
1734 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1735 * See the License for the specific language governing permissions and
1736 * limitations under the License.
1737 * =============================================================================
1738 */function Cy(n){const e=N(n,"x","square"),t={};return V.runKernel("Square",{x:e},t)}const Io=P({square_:Cy});/**
1739 * @license
1740 * Copyright 2018 Google LLC. All Rights Reserved.
1741 * Licensed under the Apache License, Version 2.0 (the "License");
1742 * you may not use this file except in compliance with the License.
1743 * You may obtain a copy of the License at
1744 *
1745 * http://www.apache.org/licenses/LICENSE-2.0
1746 *
1747 * Unless required by applicable law or agreed to in writing, software
1748 * distributed under the License is distributed on an "AS IS" BASIS,
1749 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1750 * See the License for the specific language governing permissions and
1751 * limitations under the License.
1752 * =============================================================================
1753 */function Iy(n,e=null,t=!1){let r=N(n,"x","sum");r.dtype==="bool"&&(r=je(r,"int32"));const a={x:r},s={axis:e,keepDims:t};return V.runKernel(sd,a,s)}const Ve=P({sum_:Iy});/**
1754 * @license
1755 * Copyright 2018 Google LLC. All Rights Reserved.
1756 * Licensed under the Apache License, Version 2.0 (the "License");
1757 * you may not use this file except in compliance with the License.
1758 * You may obtain a copy of the License at
1759 *
1760 * http://www.apache.org/licenses/LICENSE-2.0
1761 *
1762 * Unless required by applicable law or agreed to in writing, software
1763 * distributed under the License is distributed on an "AS IS" BASIS,
1764 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1765 * See the License for the specific language governing permissions and
1766 * limitations under the License.
1767 * =============================================================================
1768 */function Ny(n,e="euclidean",t=null,r=!1){n=N(n,"x","norm");const a=Lf(n,e,t);let s=a.shape;if(r){const o=rt(t,n.shape);s=Bt(a.shape,o)}return Z(a,s)}function Lf(n,e,t=null){if(n.rank===0)return Kt(n);if(n.rank!==1&&t===null)return Lf(Z(n,[-1]),e,t);if(n.rank===1||typeof t=="number"||Array.isArray(t)&&t.length===1){if(e===1)return Ve(Kt(n),t);if(e===1/0)return oa(Kt(n),t);

1768if(e===-1/0)return Yi(Kt(n),t);if(e==="euclidean"||e===2)return Zi(Ve(Gu(Kt(n),Ae(2,"int32")),t));throw new Error(`Error in norm: invalid ord value: ${e}`)}if(Array.isArray(t)&&t.length===2){if(e===1)return oa(Ve(Kt(n),t[0]),t[1]-1);if(e===1/0)return oa(Ve(Kt(n),t[1]),t[0]);if(e===-1/0)return Yi(Ve(Kt(n),t[1]),t[0]);if(e==="fro"||e==="euclidean")return Zi(Ve(Io(n),t));throw new Error(`Error in norm: invalid ord value: ${e}`)}throw new Error(`Error in norm: invalid axis: ${t}`)}const No=P({norm_:Ny});/**
1769 * @license
1770 * Copyright 2022 Google LLC. All Rights Reserved.
1771 * Licensed under the Apache License, Version 2.0 (the "License");
1772 * you may not use this file except in compliance with the License.
1773 * You may obtain a copy of the License at
1774 *
1775 * http://www.apache.org/licenses/LICENSE-2.0
1776 *
1777 * Unless required by applicable law or agreed to in writing, software
1778 * distributed under the License is distributed on an "AS IS" BASIS,
1779 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1780 * See the License for the specific language governing permissions and
1781 * limitations under the License.
1782 * =============================================================================
1783 */function $y(n,e=null,t=!1){return No(n,"euclidean",e,t)}const Ry=P({euclideanNorm_:$y});/**
1784 * @license
1785 * Copyright 2018 Google LLC. All Rights Reserved.
1786 * Licensed under the Apache License, Version 2.0 (the "License");
1787 * you may not use this file except in compliance with the License.
1788 * You may obtain a copy of the License at
1789 *
1790 * http://www.apache.org/licenses/LICENSE-2.0
1791 *
1792 * Unless required by applicable law or agreed to in writing, software
1793 * distributed under the License is distributed on an "AS IS" BASIS,
1794 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1795 * See the License for the specific language governing permissions and
1796 * limitations under the License.
1797 * =============================================================================
1798 */function _y(n){const e={x:N(n,"x","exp")};return V.runKernel(Lp,e)}const Fn=P({exp_:_y});/**
1799 * @license
1800 * Copyright 2020 Google LLC. All Rights Reserved.
1801 * Licensed under the Apache License, Version 2.0 (the "License");
1802 * you may not use this file except in compliance with the License.
1803 * You may obtain a copy of the License at
1804 *
1805 * http://www.apache.org/licenses/LICENSE-2.0
1806 *
1807 * Unless required by applicable law or agreed to in writing, software
1808 * distributed under the License is distributed on an "AS IS" BASIS,
1809 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1810 * See the License for the specific language governing permissions and
1811 * limitations under the License.
1812 * =============================================================================
1813 */function Ay(n,e=0){const t=N(n,"x","expandDims","string_or_numeric");R(e<=t.rank,()=>"Axis must be <= rank of the tensor");const r={input:t},a={dim:e};return V.runKernel(Pp,r,a)}const on=P({expandDims_:Ay});/**
1814 * @license
1815 * Copyright 2018 Google LLC. All Rights Reserved.
1816 * Licensed under the Apache License, Version 2.0 (the "License");
1817 * you may not use this file except in compliance with the License.
1818 * You may obtain a copy of the License at
1819 *
1820 * http://www.apache.org/licenses/LICENSE-2.0
1821 *
1822 * Unless required by applicable law or agreed to in writing, software
1823 * distributed under the License is distributed on an "AS IS" BASIS,
1824 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1825 * See the License for the specific language governing permissions and
1826 * limitations under the License.
1827 * =============================================================================
1828 */function Oy(n){const e={x:N(n,"x","expm1")};return V.runKernel(Bp,e)}const Fy=P({expm1_:Oy});/**
1829 * @license
1830 * Copyright 2020 Google LLC. All Rights Reserved.
1831 * Licensed under the Apache License, Version 2.0 (the "License");
1832 * you may not use this file except in compliance with the License.
1833 * You may obtain a copy of the License at
1834 *
1835 * http://www.apache.org/licenses/LICENSE-2.0
1836 *
1837 * Unless required by applicable law or agreed to in writing, softw

1837are
1838 * distributed under the License is distributed on an "AS IS" BASIS,
1839 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1840 * See the License for the specific language governing permissions and
1841 * limitations under the License.
1842 * =============================================================================
1843 */function Dy(n,e){const t=N(n,"x","tile","string_or_numeric");R(t.rank===e.length,()=>`Error in transpose: rank of input ${t.rank} must match length of reps ${e}.`);const r={x:t},a={reps:e};return V.runKernel($u,r,a)}const es=P({tile_:Dy});/**
1844 * @license
1845 * Copyright 2020 Google LLC. All Rights Reserved.
1846 * Licensed under the Apache License, Version 2.0 (the "License");
1847 * you may not use this file except in compliance with the License.
1848 * You may obtain a copy of the License at
1849 *
1850 * http://www.apache.org/licenses/LICENSE-2.0
1851 *
1852 * Unless required by applicable law or agreed to in writing, software
1853 * distributed under the License is distributed on an "AS IS" BASIS,
1854 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1855 * See the License for the specific language governing permissions and
1856 * limitations under the License.
1857 * =============================================================================
1858 */function My(n,e,t,r="float32"){e==null&&(e=n);const a=He([n,e],r),s=n<=e?n:e;for(let i=0;i<s;++i)a.set(1,i,i);const o=Z(a.toTensor(),[n,e]);if(t==null)return o;if(t.length===1)return es(on(o,0),[t[0],1,1]);if(t.length===2)return es(on(on(o,0),0),[t[0],t[1],1,1]);if(t.length===3)return es(on(on(on(o,0),0),0),[t[0],t[1],t[2],1,1]);throw new Error(`eye() currently supports only 1D and 2D batchShapes, but received ${t.length}D.`)}const Pf=P({eye_:My});/**
1859 * @license
1860 * Copyright 2018 Google LLC. All Rights Reserved.
1861 * Licensed under the Apache License, Version 2.0 (the "License");
1862 * you may not use this file except in compliance with the License.
1863 * You may obtain a copy of the License at
1864 *
1865 * http://www.apache.org/licenses/LICENSE-2.0
1866 *
1867 * Unless required by applicable law or agreed to in writing, software
1868 * distributed under the License is distributed on an "AS IS" BASIS,
1869 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1870 * See the License for the specific language governing permissions and
1871 * limitations under the License.
1872 * =============================================================================
1873 */function Ly(n){const e={x:N(n,"x","floor","float32")};return V.runKernel(zp,e)}const Bf=P({floor_:Ly});/**
1874 * @license
1875 * Copyright 2018 Google LLC. All Rights Reserved.
1876 * Licensed under the Apache License, Version 2.0 (the "License");
1877 * you may not use this file except in compliance with the License.
1878 * You may obtain a copy of the License at
1879 *
1880 * http://www.apache.org/licenses/LICENSE-2.0
1881 *
1882 * Unless required by applicable law or agreed to in writing, software
1883 * distributed under the License is distributed on an "AS IS" BASIS,
1884 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1885 * See the License for the specific language governing permissions and
1886 * limitations under the License.
1887 * =============================================================================
1888 */function Py(n,e,t=0,r=0){const a=N(n,"x","gather"),s=N(e,"indices","gather","int32"),o={x:a,indices:s},i={axis:t,batchDims:r};return V.runKernel(Hp,o,i)}const Uf=P({gather_:Py});/**
1889 * @license
1890 * Copyright 2020 Google LLC. All Rights Reserved.
1891 * Licensed under the Apache License, Version 2.0 (the "License");
1892 * you may not use this file except in compliance with the License.
1893 * You may obtain a copy of the License at
1894 *
1895 * http://www.apache.org/licenses/LICENSE-2.0
1896 *
1897 * Unless required by applicable law or agreed to in writing, software
1898 * distributed under the License is distributed on an "AS IS" BASIS,
1899 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1900 * See the License for the specific language governing permissions and
1901 * limitations under the License.
1902 * =============================================================================
1903 */function By(n,e){let t=N(n,"a","greater","string_or_numeric"),r=N(e,"b","greater","string_or_numeric");[t,r]=Ke(t,r),$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(qp,a)}const $o=P({greater_:By});/**
1904 * @license
1905 * Copyright 2020 Google LLC. All Rights Reserved.
1906 * Licensed under the Apache License, Version 2.0 (the "License");

1907 * you may not use this file except in compliance with the License.
1908 * You may obtain a copy of the License at
1909 *
1910 * http://www.apache.org/licenses/LICENSE-2.0
1911 *
1912 * Unless required by applicable law or agreed to in writing, software
1913 * distributed under the License is distributed on an "AS IS" BASIS,
1914 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1915 * See the License for the specific language governing permissions and
1916 * limitations under the License.
1917 * =============================================================================
1918 */function Uy(n,e){let t=N(n,"a","greaterEqual","string_or_numeric"),r=N(e,"b","greaterEqual","string_or_numeric");[t,r]=Ke(t,r),$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(Kp,a)}const Vf=P({greaterEqual_:Uy});/**
1919 * @license
1920 * Copyright 2018 Google LLC. All Rights Reserved.
1921 * Licensed under the Apache License, Version 2.0 (the "License");
1922 * you may not use this file except in compliance with the License.
1923 * You may obtain a copy of the License at
1924 *
1925 * http://www.apache.org/licenses/LICENSE-2.0
1926 *
1927 * Unless required by applicable law or agreed to in writing, software
1928 * distributed under the License is distributed on an "AS IS" BASIS,
1929 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1930 * See the License for the specific language governing permissions and
1931 * limitations under the License.
1932 * =============================================================================
1933 */function Vy(n){const e={x:N(n,"x","isFinite")};return V.runKernel(Jp,e)}const Wy=P({isFinite_:Vy});/**
1934 * @license
1935 * Copyright 2018 Google LLC. All Rights Reserved.
1936 * Licensed under the Apache License, Version 2.0 (the "License");
1937 * you may not use this file except in compliance with the License.
1938 * You may obtain a copy of the License at
1939 *
1940 * http://www.apache.org/licenses/LICENSE-2.0
1941 *
1942 * Unless required by applicable law or agreed to in writing, software
1943 * distributed under the License is distributed on an "AS IS" BASIS,
1944 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1945 * See the License for the specific language governing permissions and
1946 * limitations under the License.
1947 * =============================================================================
1948 */function zy(n){const e={x:N(n,"x","isInf")};return V.runKernel(Qp,e)}const Gy=P({isInf_:zy});/**
1949 * @license
1950 * Copyright 2018 Google LLC. All Rights Reserved.
1951 * Licensed under the Apache License, Version 2.0 (the "License");
1952 * you may not use this file except in compliance with the License.
1953 * You may obtain a copy of the License at
1954 *
1955 * http://www.apache.org/licenses/LICENSE-2.0
1956 *
1957 * Unless required by applicable law or agreed to in writing, software
1958 * distributed under the License is distributed on an "AS IS" BASIS,
1959 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1960 * See the License for the specific language governing permissions and
1961 * limitations under the License.
1962 * =============================================================================
1963 */function jy(n){const e={x:N(n,"x","isNaN")};return V.runKernel(eh,e)}const Hy=P({isNaN_:jy});/**
1964 * @license
1965 * Copyright 2020 Google LLC. All Rights Reserved.
1966 * Licensed under the Apache License, Version 2.0 (the "License");
1967 * you may not use this file except in compliance with the License.
1968 * You may obtain a copy of the License at
1969 *
1970 * http://www.apache.org/licenses/LICENSE-2.0
1971 *
1972 * Unless required by applicable law or agreed to in writing, software
1973 * distributed under the License is distributed on an "AS IS" BASIS,
1974 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1975 * See the License for the specific language governing permissions and
1976 * limitations under the License.
1977 * =============================================================================
1978 */function Xy(n,e=.2){const t={x:N(n,"x","leakyRelu")},r={alpha:e};return V.runKernel(th,t,r)}const Wf=P({leakyRelu_:Xy});/**
1979 * @license
1980 * Copyright 2020 Google LLC. All Rights Reserved.
1981 * Licensed under the Apache License, Version 2.0 (the "License");

1982 * you may not use this file except in compliance with the License.
1983 * You may obtain a copy of the License at
1984 *
1985 * http://www.apache.org/licenses/LICENSE-2.0
1986 *
1987 * Unless required by applicable law or agreed to in writing, software
1988 * distributed under the License is distributed on an "AS IS" BASIS,
1989 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1990 * See the License for the specific language governing permissions and
1991 * limitations under the License.
1992 * =============================================================================
1993 */function qy(n,e){let t=N(n,"a","less","string_or_numeric"),r=N(e,"b","less","string_or_numeric");[t,r]=Ke(t,r),$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(nh,a)}const Ky=P({less_:qy});/**
1994 * @license
1995 * Copyright 2020 Google LLC. All Rights Reserved.
1996 * Licensed under the Apache License, Version 2.0 (the "License");
1997 * you may not use this file except in compliance with the License.
1998 * You may obtain a copy of the License at
1999 *
2000 * http://www.apache.org/licenses/LICENSE-2.0
2001 *
2002 * Unless required by applicable law or agreed to in writing, software
2003 * distributed under the License is distributed on an "AS IS" BASIS,
2004 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2005 * See the License for the specific language governing permissions and
2006 * limitations under the License.
2007 * =============================================================================
2008 */function Yy(n,e){let t=N(n,"a","lessEqual","string_or_numeric"),r=N(e,"b","lessEqual","string_or_numeric");[t,r]=Ke(t,r),$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(rh,a)}const ju=P({lessEqual_:Yy});/**
2009 * @license
2010 * Copyright 2018 Google LLC. All Rights Reserved.
2011 * Licensed under the Apache License, Version 2.0 (the "License");
2012 * you may not use this file except in compliance with the License.
2013 * You may obtain a copy of the License at
2014 *
2015 * http://www.apache.org/licenses/LICENSE-2.0
2016 *
2017 * Unless required by applicable law or agreed to in writing, software
2018 * distributed under the License is distributed on an "AS IS" BASIS,
2019 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2020 * See the License for the specific language governing permissions and
2021 * limitations under the License.
2022 * =============================================================================
2023 */function Zy(n,e,t){if(t<=0)throw new Error("The number of values should be positive.");const r={start:n,stop:e,num:t};return V.runKernel(ah,{},r)}/**
2024 * @license
2025 * Copyright 2020 Google LLC. All Rights Reserved.
2026 * Licensed under the Apache License, Version 2.0 (the "License");
2027 * you may not use this file except in compliance with the License.
2028 * You may obtain a copy of the License at
2029 *
2030 * http://www.apache.org/licenses/LICENSE-2.0
2031 *
2032 * Unless required by applicable law or agreed to in writing, software
2033 * distributed under the License is distributed on an "AS IS" BASIS,
2034 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2035 * See the License for the specific language governing permissions and
2036 * limitations under the License.
2037 * =============================================================================
2038 */function Jy(n,e=5,t=1,r=1,a=.5){const s=N(n,"x","localResponseNormalization");R(s.rank===4||s.rank===3,()=>`Error in localResponseNormalization: x must be rank 3 or 4 but got
2039               rank ${s.rank}.`),R(ua(e),()=>`Error in localResponseNormalization: depthRadius must be an integer but got depthRadius ${e}.`);let o=s,i=!1;s.rank===3&&(i=!0,o=Z(s,[1,s.shape[0],s.shape[1],s.shape[2]]));const u={x:o},l={depthRadius:e,bias:t,alpha:r,beta:a},c=V.runKernel(ch,u,l);return i?Z(c,[c.shape[1],c.shape[2],c.shape[3]]):c}const Qy=P({localResponseNormalization_:Jy});/**
2040 * @license
2041 * Copyright 2018 Google LLC. All Rights Reserved.
2042 * Licensed under the Apache License, Version 2.0 (the "License");
2043 * you may not use this file except in compliance with the License.
2044 * You may obtain a copy of the License at
2045 *
2046 * http://www.apache.org/licenses/LICENSE-2.0
2047 *
2048 * Unless required by applicable law or agreed to in writing, softw

2048are
2049 * distributed under the License is distributed on an "AS IS" BASIS,
2050 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2051 * See the License for the specific language governing permissions and
2052 * limitations under the License.
2053 * =============================================================================
2054 */function ex(n){const e={x:N(n,"x","log","float32")};return V.runKernel(sh,e)}const as=P({log_:ex});/**
2055 * @license
2056 * Copyright 2018 Google LLC. All Rights Reserved.
2057 * Licensed under the Apache License, Version 2.0 (the "License");
2058 * you may not use this file except in compliance with the License.
2059 * You may obtain a copy of the License at
2060 *
2061 * http://www.apache.org/licenses/LICENSE-2.0
2062 *
2063 * Unless required by applicable law or agreed to in writing, software
2064 * distributed under the License is distributed on an "AS IS" BASIS,
2065 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2066 * See the License for the specific language governing permissions and
2067 * limitations under the License.
2068 * =============================================================================
2069 */function tx(n){const e={x:N(n,"x","log1p")};return V.runKernel(oh,e)}const zf=P({log1p_:tx});/**
2070 * @license
2071 * Copyright 2018 Google LLC. All Rights Reserved.
2072 * Licensed under the Apache License, Version 2.0 (the "License");
2073 * you may not use this file except in compliance with the License.
2074 * You may obtain a copy of the License at
2075 *
2076 * http://www.apache.org/licenses/LICENSE-2.0
2077 *
2078 * Unless required by applicable law or agreed to in writing, software
2079 * distributed under the License is distributed on an "AS IS" BASIS,
2080 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2081 * See the License for the specific language governing permissions and
2082 * limitations under the License.
2083 * =============================================================================
2084 */function Dn(n){return V.customGrad(n)}/**
2085 * @license
2086 * Copyright 2018 Google LLC. All Rights Reserved.
2087 * Licensed under the Apache License, Version 2.0 (the "License");
2088 * you may not use this file except in compliance with the License.
2089 * You may obtain a copy of the License at
2090 *
2091 * http://www.apache.org/licenses/LICENSE-2.0
2092 *
2093 * Unless required by applicable law or agreed to in writing, software
2094 * distributed under the License is distributed on an "AS IS" BASIS,
2095 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2096 * See the License for the specific language governing permissions and
2097 * limitations under the License.
2098 * =============================================================================
2099 */function nx(n){const e={x:N(n,"x","softplus")};return V.runKernel(rd,e)}const Gf=P({softplus_:nx});/**
2100 * @license
2101 * Copyright 2018 Google LLC. All Rights Reserved.
2102 * Licensed under the Apache License, Version 2.0 (the "License");
2103 * you may not use this file except in compliance with the License.
2104 * You may obtain a copy of the License at
2105 *
2106 * http://www.apache.org/licenses/LICENSE-2.0
2107 *
2108 * Unless required by applicable law or agreed to in writing, software
2109 * distributed under the License is distributed on an "AS IS" BASIS,
2110 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2111 * See the License for the specific language governing permissions and
2112 * limitations under the License.
2113 * =============================================================================
2114 */function rx(n){const e=N(n,"x","logSigmoid");return Dn(t=>({value:An(Gf(An(t))),gradFunc:r=>me(r,Rr(An(t)))}))(e)}const ax=P({logSigmoid_:rx});/**
2115 * @license
2116 * Copyright 2020 Google LLC. All Rights Reserved.
2117 * Licensed under the Apache License, Version 2.0 (the "License");
2118 * you may not use this file except in compliance with the License.
2119 * You may obtain a copy of the License at
2120 *
2121 * http://www.apache.org/licenses/LICENSE-2.0
2122 *
2123 * Unless required by applicable law or agreed to in writing, software
2124 * distributed under the License is distributed on an "AS IS" BASIS,
2125 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2126 * See the License for the specific language governing permissions and
2127 * limitations under the License.
2128 * =============================================================================
2129 */function sx(n,e){let t=N(n,"a","sub"),r=N(e,"b","sub");[t,r]=Ke(t,r);const a={a:t,b:r};return V.runKernel(bd,a)}const Ce=P({sub_:sx});/**
2130 * @license
2131 * Copyright 2020 Google Inc. All Rights Reserved.
2132 * Licensed under the Apache License, Version 2.0 (the "License");

2133 * you may not use this file except in compliance with the License.
2134 * You may obtain a copy of the License at
2135 *
2136 * http://www.apache.org/licenses/LICENSE-2.0
2137 *
2138 * Unless required by applicable law or agreed to in writing, software
2139 * distributed under the License is distributed on an "AS IS" BASIS,
2140 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2141 * See the License for the specific language governing permissions and
2142 * limitations under the License.
2143 * =============================================================================
2144 */function ox(n,e=-1){const t=N(n,"logits","logSoftmax");if(e===-1&&(e=t.rank-1),e!==t.rank-1)throw Error(`Log Softmax along a non-last dimension is not yet supported. Logits was rank ${t.rank} and axis was ${e}`);return Dn((r,a)=>{const s=oa(r,e,!0),o=Ce(r,s),i=Ce(je(o,"float32"),as(Ve(Fn(o),e,!0)));return a([i]),{value:i,gradFunc:(u,l)=>{const[c]=l,p=!0,h=Fn(c);return Ce(u,me(Ve(u,e,p),h))}}})(t)}const ix=P({logSoftmax_:ox});/**
2145 * @license
2146 * Copyright 2020 Google LLC. All Rights Reserved.
2147 * Licensed under the Apache License, Version 2.0 (the "License");
2148 * you may not use this file except in compliance with the License.
2149 * You may obtain a copy of the License at
2150 *
2151 * http://www.apache.org/licenses/LICENSE-2.0
2152 *
2153 * Unless required by applicable law or agreed to in writing, software
2154 * distributed under the License is distributed on an "AS IS" BASIS,
2155 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2156 * See the License for the specific language governing permissions and
2157 * limitations under the License.
2158 * =============================================================================
2159 */function ux(n,e=null,t=!1){const r=N(n,"x","logSumExp"),a=rt(e,r.shape),s=oa(r,a,!0),o=Ce(r,s),i=Fn(o),u=Ve(i,a),l=as(u),c=Pe(Z(s,l.shape),l);if(t){const p=Bt(c.shape,a);return Z(c,p)}return c}const jf=P({logSumExp_:ux});/**
2160 * @license
2161 * Copyright 2020 Google LLC. All Rights Reserved.
2162 * Licensed under the Apache License, Version 2.0 (the "License");
2163 * you may not use this file except in compliance with the License.
2164 * You may obtain a copy of the License at
2165 *
2166 * http://www.apache.org/licenses/LICENSE-2.0
2167 *
2168 * Unless required by applicable law or agreed to in writing, software
2169 * distributed under the License is distributed on an "AS IS" BASIS,
2170 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2171 * See the License for the specific language governing permissions and
2172 * limitations under the License.
2173 * =============================================================================
2174 */function lx(n,e){const t=N(n,"a","logicalAnd","bool"),r=N(e,"b","logicalAnd","bool");$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(ih,a)}const oo=P({logicalAnd_:lx});/**
2175 * @license
2176 * Copyright 2020 Google LLC. All Rights Reserved.
2177 * Licensed under the Apache License, Version 2.0 (the "License");
2178 * you may not use this file except in compliance with the License.
2179 * You may obtain a copy of the License at
2180 *
2181 * http://www.apache.org/licenses/LICENSE-2.0
2182 *
2183 * Unless required by applicable law or agreed to in writing, software
2184 * distributed under the License is distributed on an "AS IS" BASIS,
2185 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2186 * See the License for the specific language governing permissions and
2187 * limitations under the License.
2188 * =============================================================================
2189 */function cx(n){const e={x:N(n,"x","logicalNot","bool")};return V.runKernel(uh,e)}const Hf=P({logicalNot_:cx});/**
2190 * @license
2191 * Copyright 2020 Google LLC. All Rights Reserved.
2192 * Licensed under the Apache License, Version 2.0 (the "License");
2193 * you may not use this file except in compliance with the License.
2194 * You may obtain a copy of the License at
2195 *
2196 * http://www.apache.org/licenses/LICENSE-2.0
2197 *
2198 * Unless required by applicable law or agreed to in writing, software
2199 * distributed under the License is distributed on an "AS IS" BASIS,
2200 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2201 * See the License for the specific language governing permissions and
2202 * limitations under the License.
2203 * =============================================================================
2204 */function px(n,e){const t=N(n,"a","logicalOr","bool"),r=N(e,"b","logicalOr","bool");$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(lh,a)}const Xf=P({logicalOr_:px});/**
2205 * @license
2206 * Copyright 2020 Google LLC. All Rights Reserved.
2207 * Licensed under the Apache License, Version 2.0 (the "License");

2208 * you may not use this file except in compliance with the License.
2209 * You may obtain a copy of the License at
2210 *
2211 * http://www.apache.org/licenses/LICENSE-2.0
2212 *
2213 * Unless required by applicable law or agreed to in writing, software
2214 * distributed under the License is distributed on an "AS IS" BASIS,
2215 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2216 * See the License for the specific language governing permissions and
2217 * limitations under the License.
2218 * =============================================================================
2219 */function hx(n,e){const t=N(n,"a","logicalXor","bool"),r=N(e,"b","logicalXor","bool");return $e(t.shape,r.shape),oo(Xf(n,e),Hf(oo(n,e)))}const dx=P({logicalXor_:hx});/**
2220 * @license
2221 * Copyright 2022 Google LLC. All Rights Reserved.
2222 * Licensed under the Apache License, Version 2.0 (the "License");
2223 * you may not use this file except in compliance with the License.
2224 * You may obtain a copy of the License at
2225 *
2226 * http://www.apache.org/licenses/LICENSE-2.0
2227 *
2228 * Unless required by applicable law or agreed to in writing, software
2229 * distributed under the License is distributed on an "AS IS" BASIS,
2230 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2231 * See the License for the specific language governing permissions and
2232 * limitations under the License.
2233 * =============================================================================
2234 */const Ws=2147483648;function fx(n,e,t="left"){const r=N(n,"sortedSequence","searchSorted"),a=N(e,"values","searchSorted"),s=r.shape[r.shape.length-1],o=a.shape[a.shape.length-1],i=Z(r,[-1,s]),u=Z(a,[-1,o]);if(i.rank<2)throw new Error("Sorted input argument must be at least 2-dimensional");if(i.shape[0]!==u.shape[0])throw new Error("Leading dimension of 'sortedSequence' and 'values' must match.");if(ae(u.shape)>=Ws)throw new Error(`values tensor size must less than ${Ws}`);if(i.shape[1]>=Ws)throw new Error(`trailing dim_size must less than ${Ws} for int32 output type, was ${i.shape[1]}`);const l={sortedSequence:i,values:u},c={side:t};return V.runKernel(Kh,l,c)}const Hu=P({searchSorted_:fx});/**
2235 * @license
2236 * Copyright 2022 Google LLC. All Rights Reserved.
2237 * Licensed under the Apache License, Version 2.0 (the "License");
2238 * you may not use this file except in compliance with the License.
2239 * You may obtain a copy of the License at
2240 *
2241 * http://www.apache.org/licenses/LICENSE-2.0
2242 *
2243 * Unless required by applicable law or agreed to in writing, software
2244 * distributed under the License is distributed on an "AS IS" BASIS,
2245 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2246 * See the License for the specific language governing permissions and
2247 * limitations under the License.
2248 * =============================================================================
2249 */function mx(n,e){return Hu(n,e,"left")}/**
2250 * @license
2251 * Copyright 2020 Google LLC. All Rights Reserved.
2252 * Licensed under the Apache License, Version 2.0 (the "License");
2253 * you may not use this file except in compliance with the License.
2254 * You may obtain a copy of the License at
2255 *
2256 * http://www.apache.org/licenses/LICENSE-2.0
2257 *
2258 * Unless required by applicable law or agreed to in writing, software
2259 * distributed under the License is distributed on an "AS IS" BASIS,
2260 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2261 * See the License for the specific language governing permissions and
2262 * limitations under the License.
2263 * =============================================================================
2264 */function gx(n,e,t,r,a){const s=N(n,"x","maxPool"),o=1;let i=s,u=!1;s.rank===3&&(u=!0,i=Z(s,[1,s.shape[0],s.shape[1],s.shape[2]])),R(i.rank===4,()=>`Error in maxPool: input must be rank 4 but got rank ${i.rank}.`),R(_t(t,o),()=>`Error in maxPool: Either strides or dilations must be 1. Got strides ${t} and dilations '${o}'`),Jt("maxPool",r,a);const l={x:i},c={filterSize:e,strides:t,pad:r,dimRoundingMode:a},p=V.runKernel(dh,l,c);return u?Z(p,[p.shape[1],p.shape[2],p.shape[3]]):p}const qf=P({maxPool_:gx});/**
2265 * @license
2266 * Copyright 2020 Google LLC. All Rights Reserved.
2267 * Licensed under the Apache License, Version 2.0 (the "License");

2268 * you may not use this file except in compliance with the License.
2269 * You may obtain a copy of the License at
2270 *
2271 * http://www.apache.org/licenses/LICENSE-2.0
2272 *
2273 * Unless required by applicable law or agreed to in writing, software
2274 * distributed under the License is distributed on an "AS IS" BASIS,
2275 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2276 * See the License for the specific language governing permissions and
2277 * limitations under the License.
2278 * =============================================================================
2279 */function yx(n,e=[1,1,1],t,r,a,s="NDHWC"){const o=N(n,"x","maxPool3d");let i=o,u=!1;o.rank===4&&(u=!0,i=Z(o,[1,o.shape[0],o.shape[1],o.shape[2],o.shape[3]])),R(i.rank===5,()=>`Error in maxPool3d: x must be rank 5 but got rank ${i.rank}.`),R(s==="NDHWC",()=>`Error in maxPool3d: Only NDHWC is currently supported, but got dataFormat of ${s}`),Jt("maxPool3d",r,a);const l={x:i},c={filterSize:e,strides:t,pad:r,dimRoundingMode:a,dataFormat:s},p=V.runKernel(fh,l,c);return u?Z(p,[p.shape[1],p.shape[2],p.shape[3],p.shape[4]]):p}const xx=P({maxPool3d_:yx});/**
2280 * @license
2281 * Copyright 2018 Google LLC. All Rights Reserved.
2282 * Licensed under the Apache License, Version 2.0 (the "License");
2283 * you may not use this file except in compliance with the License.
2284 * You may obtain a copy of the License at
2285 *
2286 * http://www.apache.org/licenses/LICENSE-2.0
2287 *
2288 * Unless required by applicable law or agreed to in writing, software
2289 * distributed under the License is distributed on an "AS IS" BASIS,
2290 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2291 * See the License for the specific language governing permissions and
2292 * limitations under the License.
2293 * =============================================================================
2294 */function bx(n,e,t,r,a=!1){const s={x:N(n,"x","maxPoolWithArgmax")},o={filterSize:e,strides:t,pad:r,includeBatchInIndex:a},i=V.runKernel(mh,s,o);return{result:i[0],indexes:i[1]}}const vx=P({maxPoolWithArgmax_:bx});/**
2295 * @license
2296 * Copyright 2020 Google LLC. All Rights Reserved.
2297 * Licensed under the Apache License, Version 2.0 (the "License");
2298 * you may not use this file except in compliance with the License.
2299 * You may obtain a copy of the License at
2300 *
2301 * http://www.apache.org/licenses/LICENSE-2.0
2302 *
2303 * Unless required by applicable law or agreed to in writing, software
2304 * distributed under the License is distributed on an "AS IS" BASIS,
2305 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2306 * See the License for the specific language governing permissions and
2307 * limitations under the License.
2308 * =============================================================================
2309 */function wx(n,e){let t=N(n,"a","maximum"),r=N(e,"b","maximum");[t,r]=Ke(t,r),t.dtype==="bool"&&(t=je(t,"int32"),r=je(r,"int32")),$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(hh,a)}const Sx=P({maximum_:wx});/**
2310 * @license
2311 * Copyright 2020 Google Inc. All Rights Reserved.
2312 * Licensed under the Apache License, Version 2.0 (the "License");
2313 * you may not use this file except in compliance with the License.
2314 * You may obtain a copy of the License at
2315 *
2316 * http://www.apache.org/licenses/LICENSE-2.0
2317 *
2318 * Unless required by applicable law or agreed to in writing, software
2319 * distributed under the License is distributed on an "AS IS" BASIS,
2320 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2321 * See the License for the specific language governing permissions and
2322 * limitations under the License.
2323 * =============================================================================
2324 */function kx(n,e=null,t=!1){const r={x:N(n,"x","mean")},a={axis:e,keepDims:t};return V.runKernel(gh,r,a)}const io=P({mean_:kx});/**
2325 * @license
2326 * Copyright 2018 Google LLC. All Rights Reserved.
2327 * Licensed under the Apache License, Version 2.0 (the "License");
2328 * you may not use this file except in compliance with the License.
2329 * You may obtain a copy of the License at
2330 *
2331 * http://www.apache.org/licenses/LICENSE-2.0
2332 *
2333 * Unless required by applicable law or agreed to in writing, softw

2333are
2334 * distributed under the License is distributed on an "AS IS" BASIS,
2335 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2336 * See the License for the specific language governing permissions and
2337 * limitations under the License.
2338 * =============================================================================
2339 */function Fr(n,e="float32"){if(e==="complex64"){const r=Fr(n,"float32"),a=Fr(n,"float32");return tr(r,a)}const t=er(ae(n),e);return V.makeTensor(t,n,e)}/**
2340 * @license
2341 * Copyright 2018 Google LLC. All Rights Reserved.
2342 * Licensed under the Apache License, Version 2.0 (the "License");
2343 * you may not use this file except in compliance with the License.
2344 * You may obtain a copy of the License at
2345 *
2346 * http://www.apache.org/licenses/LICENSE-2.0
2347 *
2348 * Unless required by applicable law or agreed to in writing, software
2349 * distributed under the License is distributed on an "AS IS" BASIS,
2350 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2351 * See the License for the specific language governing permissions and
2352 * limitations under the License.
2353 * =============================================================================
2354 */function Cr(n,e="float32"){if(e==="complex64"){const r=Cr(n,"float32"),a=Fr(n,"float32");return tr(r,a)}const t=Vc(ae(n),e);return V.makeTensor(t,n,e)}/**
2355 * @license
2356 * Copyright 2021 Google LLC. All Rights Reserved.
2357 * Licensed under the Apache License, Version 2.0 (the "License");
2358 * you may not use this file except in compliance with the License.
2359 * You may obtain a copy of the License at
2360 *
2361 * http://www.apache.org/licenses/LICENSE-2.0
2362 *
2363 * Unless required by applicable law or agreed to in writing, software
2364 * distributed under the License is distributed on an "AS IS" BASIS,
2365 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2366 * See the License for the specific language governing permissions and
2367 * limitations under the License.
2368 * =============================================================================
2369 */function Tx(n,e,{indexing:t="xy"}={}){if(t!=="xy"&&t!=="ij")throw new TypeError(`${t} is not a valid third argument to meshgrid`);if(n===void 0)return[];let r=N(n,"x","meshgrid",n instanceof Ge?n.dtype:"float32");if(e===void 0)return[r];let a=N(e,"y","meshgrid",e instanceof Ge?e.dtype:"float32");const s=ae(r.shape),o=ae(a.shape);return t==="xy"?(r=Z(r,[1,-1]),a=Z(a,[-1,1]),[Oe(Cr([o,1],r.dtype),r),Oe(a,Cr([1,s],a.dtype))]):(r=Z(r,[-1,1]),a=Z(a,[1,-1]),[Oe(r,Cr([1,o],r.dtype)),Oe(Cr([s,1],a.dtype),a)])}/**
2370 * @license
2371 * Copyright 2020 Google LLC. All Rights Reserved.
2372 * Licensed under the Apache License, Version 2.0 (the "License");
2373 * you may not use this file except in compliance with the License.
2374 * You may obtain a copy of the License at
2375 *
2376 * http://www.apache.org/licenses/LICENSE-2.0
2377 *
2378 * Unless required by applicable law or agreed to in writing, software
2379 * distributed under the License is distributed on an "AS IS" BASIS,
2380 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2381 * See the License for the specific language governing permissions and
2382 * limitations under the License.
2383 * =============================================================================
2384 */function Ex(n,e){let t=N(n,"a","minimum"),r=N(e,"b","minimum");[t,r]=Ke(t,r),t.dtype==="bool"&&(t=je(t,"int32"),r=je(r,"int32")),$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(xh,a)}const Kf=P({minimum_:Ex});/**
2385 * @license
2386 * Copyright 2020 Google LLC. All Rights Reserved.
2387 * Licensed under the Apache License, Version 2.0 (the "License");
2388 * you may not use this file except in compliance with the License.
2389 * You may obtain a copy of the License at
2390 *
2391 * http://www.apache.org/licenses/LICENSE-2.0
2392 *
2393 * Unless required by applicable law or agreed to in writing, software
2394 * distributed under the License is distributed on an "AS IS" BASIS,
2395 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2396 * See the License for the specific language governing permissions and
2397 * limitations under the License.
2398 * =============================================================================
2399 */function Cx(n,e,t){R(t==="reflect"||t==="symmetric",()=>`Invalid mode. Mode must be either reflect or symmetric. Got ${t}.`);const r=N(n,"x","mirrorPad");if(r.rank===0)throw new Error("mirrorPad(scalar) is not defined. Pass non-scalar to mirrorPad");R(e.length===r.rank,()=>`Padding doesn't match input. Must be ${r.rank}. Got ${e.length}.`);const a=t==="reflect"?1:0;for(let i=0;i<r.rank;i++)R(e[i].length===2,()=>"Invalid number of paddings. Must be length of 2 each."),R(e[i][0]>=0&&e[i][0]<=r.shape[i]-a&&e[i][1]>=0&&e[i][1]<=r.shape[i]-a,()=>`Padding in dimension ${i} cannot be greater than or equal to ${r.shape[i]-a} or less than 0 for input of shape ${r.shape}`);const s={paddings:e,mode:t},o={x:r};return V.runKernel(bh,o,s)}const Ix=P({mirrorPad_:Cx});/**
2400 * @license
2401 * Copyright 2020 Google LLC. All Rights Reserved.
2402 * Licensed under the Apache License, Version 2.0 (the "License");

2403 * you may not use this file except in compliance with the License.
2404 * You may obtain a copy of the License at
2405 *
2406 * http://www.apache.org/licenses/LICENSE-2.0
2407 *
2408 * Unless required by applicable law or agreed to in writing, software
2409 * distributed under the License is distributed on an "AS IS" BASIS,
2410 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2411 * See the License for the specific language governing permissions and
2412 * limitations under the License.
2413 * =============================================================================
2414 */function Nx(n,e){let t=N(n,"a","mod"),r=N(e,"b","mod");[t,r]=Ke(t,r);const a={a:t,b:r};return V.runKernel(vh,a)}const $x=P({mod_:Nx});/**
2415 * @license
2416 * Copyright 2020 Google LLC. All Rights Reserved.
2417 * Licensed under the Apache License, Version 2.0 (the "License");
2418 * you may not use this file except in compliance with the License.
2419 * You may obtain a copy of the License at
2420 *
2421 * http://www.apache.org/licenses/LICENSE-2.0
2422 *
2423 * Unless required by applicable law or agreed to in writing, software
2424 * distributed under the License is distributed on an "AS IS" BASIS,
2425 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2426 * See the License for the specific language governing permissions and
2427 * limitations under the License.
2428 * =============================================================================
2429 */function Rx(n,e=null,t=!1){n=N(n,"x","moments");const r=rt(e,n.shape),a=io(n,r,t);let s=a.shape;t||(s=Bt(a.shape,r));const o=Io(Ce(je(n,"float32"),Z(a,s))),i=io(o,r,t);return{mean:a,variance:i}}const _x=P({moments_:Rx});function Ax(n,e,t,r){const a=N(e,"data","multiRNNCell"),s=no(t,"c","multiRNNCell"),o=no(r,"h","multiRNNCell");let i=a;const u=[];for(let p=0;p<n.length;p++){const h=n[p](i,s[p],o[p]);u.push(h[0]),u.push(h[1]),i=h[1]}const l=[],c=[];for(let p=0;p<u.length;p+=2)l.push(u[p]),c.push(u[p+1]);return[l,c]}const Ox=P({multiRNNCell_:Ax});/**
2430 * @license
2431 * Copyright 2020 Google LLC. All Rights Reserved.
2432 * Licensed under the Apache License, Version 2.0 (the "License");
2433 * you may not use this file except in compliance with the License.
2434 * You may obtain a copy of the License at
2435 *
2436 * http://www.apache.org/licenses/LICENSE-2.0
2437 *
2438 * Unless required by applicable law or agreed to in writing, software
2439 * distributed under the License is distributed on an "AS IS" BASIS,
2440 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2441 * See the License for the specific language governing permissions and
2442 * limitations under the License.
2443 * =============================================================================
2444 */function Fx(n,e,t,r=!1){const a=N(n,"logits","multinomial"),s=a.size,o=a.rank;if(s<2)throw new Error(`Error in multinomial: you need at least 2 outcomes, but got ${s}.`);if(o>2)throw new Error(`Rank of probabilities must be 1 or 2, but is ${o}`);t=t||Math.random();const i={logits:o===1?Z(a,[1,-1]):a},u={numSamples:e,seed:t,normalized:r},l=V.runKernel(wh,i,u);return o===1?Z(l,[l.size]):l}const Dx=P({multinomial_:Fx});/**
2445 * @license
2446 * Copyright 2020 Google LLC. All Rights Reserved.
2447 * Licensed under the Apache License, Version 2.0 (the "License");
2448 * you may not use this file except in compliance with the License.
2449 * You may obtain a copy of the License at
2450 *
2451 * http://www.apache.org/licenses/LICENSE-2.0
2452 *
2453 * Unless required by applicable law or agreed to in writing, software
2454 * distributed under the License is distributed on an "AS IS" BASIS,
2455 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2456 * See the License for the specific language governing permissions and
2457 * limitations under the License.
2458 * =============================================================================
2459 */function Mx(n,e){let t=N(n,"a","notEqual","string_or_numeric"),r=N(e,"b","notEqual","string_or_numeric");[t,r]=Ke(t,r),$e(t.shape,r.shape);const a={a:t,b:r};return V.runKernel(Th,a)}const Yf=P({notEqual_:Mx});/**
2460 * @license
2461 * Copyright 2018 Google LLC. All Rights Reserved.
2462 * Licensed under the Apache License, Version 2.0 (the "License");

2463 * you may not use this file except in compliance with the License.
2464 * You may obtain a copy of the License at
2465 *
2466 * http://www.apache.org/licenses/LICENSE-2.0
2467 *
2468 * Unless required by applicable law or agreed to in writing, software
2469 * distributed under the License is distributed on an "AS IS" BASIS,
2470 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2471 * See the License for the specific language governing permissions and
2472 * limitations under the License.
2473 * =============================================================================
2474 */function Lx(n){const e={x:N(n,"x","onesLike")};return V.runKernel(Nh,e)}const Px=P({onesLike_:Lx});function Bx(n,e){const t=N(n,"v1","outerProduct"),r=N(e,"v2","outerProduct");R(t.rank===1&&r.rank===1,()=>`Error in outerProduct: inputs must be rank 1, but got ranks ${t.rank} and ${r.rank}.`);const a=Z(t,[-1,1]),s=Z(r,[1,-1]);return Oe(a,s)}const Ux=P({outerProduct_:Bx});/**
2475 * @license
2476 * Copyright 2020 Google LLC. All Rights Reserved.
2477 * Licensed under the Apache License, Version 2.0 (the "License");
2478 * you may not use this file except in compliance with the License.
2479 * You may obtain a copy of the License at
2480 *
2481 * http://www.apache.org/licenses/LICENSE-2.0
2482 *
2483 * Unless required by applicable law or agreed to in writing, software
2484 * distributed under the License is distributed on an "AS IS" BASIS,
2485 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2486 * See the License for the specific language governing permissions and
2487 * limitations under the License.
2488 * =============================================================================
2489 */function Vx(n,e,t=0){const r=N(n,"x","pad");if(r.rank===0)throw new Error("pad(scalar) is not defined. Pass non-scalar to pad");const a={paddings:e,constantValue:t},s={x:r};return V.runKernel(_h,s,a)}const ms=P({pad_:Vx});function Wx(n,e,t=0){return R(e.length===2,()=>"Invalid number of paddings. Must be length of 2."),ms(n,[e],t)}const zx=P({pad1d_:Wx});function Gx(n,e,t=0){return R(e.length===2&&e[0].length===2&&e[1].length===2,()=>"Invalid number of paddings. Must be length of 2 each."),ms(n,e,t)}const jx=P({pad2d_:Gx});function Hx(n,e,t=0){return R(e.length===3&&e[0].length===2&&e[1].length===2&&e[2].length===2,()=>"Invalid number of paddings. Must be length of 2 each."),ms(n,e,t)}const Xx=P({pad3d_:Hx});function qx(n,e,t=0){return R(e.length===4&&e[0].length===2&&e[1].length===2&&e[2].length===2&&e[3].length===2,()=>"Invalid number of paddings. Must be length of 2 each."),ms(n,e,t)}const Kx=P({pad4d_:qx});/**
2490 * @license
2491 * Copyright 2020 Google LLC. All Rights Reserved.
2492 * Licensed under the Apache License, Version 2.0 (the "License");
2493 * you may not use this file except in compliance with the License.
2494 * You may obtain a copy of the License at
2495 *
2496 * http://www.apache.org/licenses/LICENSE-2.0
2497 *
2498 * Unless required by applicable law or agreed to in writing, software
2499 * distributed under the License is distributed on an "AS IS" BASIS,
2500 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2501 * See the License for the specific language governing permissions and
2502 * limitations under the License.
2503 * =============================================================================
2504 */function Yx(n,e,t){const r=N(n,"x","spaceToBatchND");R(r.rank>=1+e.length,()=>`input rank ${r.rank} should be > than [blockShape] ${e.length}`),R(t.length===e.length,()=>`paddings.shape[0] ${t.length} must be equal to [blockShape] ${e.length}`),R(r.shape.reduce((o,i,u)=>u>0&&u<=e.length?o&&(i+t[u-1][0]+t[u-1][1])%e[u-1]===0:o,!0),()=>`input spatial dimensions ${r.shape.slice(1)} with paddings ${t.toString()} must be divisible by blockShapes ${e.toString()}`);const a={x:r},s={blockShape:e,paddings:t};return V.runKernel(od,a,s)}const Zf=P({spaceToBatchND_:Yx});/**
2505 * @license
2506 * Copyright 2018 Google LLC. All Rights Reserved.
2507 * Licensed under the Apache License, Version 2.0 (the "License");
2508 * you may not use this file except in compliance with the License.
2509 * You may obtain a copy of the License at
2510 *
2511 * http://www.apache.org/licenses/LICENSE-2.0
2512 *
2513 * Unless required by applicable law or agreed to in writing, softw

2513are
2514 * distributed under the License is distributed on an "AS IS" BASIS,
2515 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2516 * See the License for the specific language governing permissions and
2517 * limitations under the License.
2518 * =============================================================================
2519 */function Zx(n,e,t,r,a,s,o){a==null&&(a=[1,1]),s==null&&(s=1),r===0&&(r="valid");const i=N(n,"x","maxPool");let u=i,l=!1;i.rank===3&&(l=!0,u=Z(i,[1,i.shape[0],i.shape[1],i.shape[2]])),R(_t(s,a),()=>`Error in pool: Either strides or dilations must be 1. Got strides ${s} and dilations '${a}'`);const c=Pr(u.shape,e,s,a,r),p=[c.dilationHeight,c.dilationWidth];let h;r==="same"?h=Qx([c.filterHeight,c.filterWidth],p):h=[[0,0],[0,0]];const d=p[0]===1&&p[1]===1,[m,y]=Jx([c.inHeight,c.inWidth],p,h),b=d?r:"valid",x=d?u:Zf(u,p,m),T=(t==="avg"?()=>$f(x,e,s,b,o):()=>qf(x,e,s,b,o))(),$=d?T:Rf(T,p,y);return l?Z($,[$.shape[1],$.shape[2],$.shape[3]]):$}function Jx(n,e,t){const r=t.map(c=>c[0]),a=t.map(c=>c[1]),s=n.concat(r,a),o=e.map((c,p)=>(c-s[p]%c)%c),i=a.map((c,p)=>c+o[p]),u=e.map((c,p)=>[r[p],i[p]]),l=e.map((c,p)=>[0,o[p]]);return[u,l]}function Qx(n,e){const t=n.map((s,o)=>s+(s-1)*(e[o]-1)).map(s=>s-1),r=t.map(s=>Math.floor(s/2)),a=t.map((s,o)=>s-r[o]);return t.map((s,o)=>[r[o],a[o]])}const e4=P({pool_:Zx});/**
2520 * @license
2521 * Copyright 2020 Google LLC. All Rights Reserved.
2522 * Licensed under the Apache License, Version 2.0 (the "License");
2523 * you may not use this file except in compliance with the License.
2524 * You may obtain a copy of the License at
2525 *
2526 * http://www.apache.org/licenses/LICENSE-2.0
2527 *
2528 * Unless required by applicable law or agreed to in writing, software
2529 * distributed under the License is distributed on an "AS IS" BASIS,
2530 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2531 * See the License for the specific language governing permissions and
2532 * limitations under the License.
2533 * =============================================================================
2534 */function t4(n,e){const t=N(n,"x","prelu"),r=N(e,"alpha","prelu"),a={x:t,alpha:r};return V.runKernel(Oh,a)}const Jf=P({prelu_:t4});/**
2535 * @license
2536 * Copyright 2020 Google LLC. All Rights Reserved.
2537 * Licensed under the Apache License, Version 2.0 (the "License");
2538 * you may not use this file except in compliance with the License.
2539 * You may obtain a copy of the License at
2540 *
2541 * http://www.apache.org/licenses/LICENSE-2.0
2542 *
2543 * Unless required by applicable law or agreed to in writing, software
2544 * distributed under the License is distributed on an "AS IS" BASIS,
2545 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2546 * See the License for the specific language governing permissions and
2547 * limitations under the License.
2548 * =============================================================================
2549 */function n4(n,e=null,t=!1){let r=N(n,"x","prod");r.dtype==="bool"&&(r=je(r,"int32"));const a={x:r},s={axis:e,keepDims:t};return V.runKernel(Fh,a,s)}const r4=P({prod_:n4});/**
2550 * @license
2551 * Copyright 2022 Google LLC. All Rights Reserved.
2552 * Licensed under the Apache License, Version 2.0 (the "License");
2553 * you may not use this file except in compliance with the License.
2554 * You may obtain a copy of the License at
2555 *
2556 * http://www.apache.org/licenses/LICENSE-2.0
2557 *
2558 * Unless required by applicable law or agreed to in writing, software
2559 * distributed under the License is distributed on an "AS IS" BASIS,
2560 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2561 * See the License for the specific language governing permissions and
2562 * limitations under the License.
2563 * =============================================================================
2564 */function a4(n,e,t,r){const a=n.map((c,p)=>N(c,`tensors${p}`,"raggedGather","int32")),s=N(e,"paramsDenseValues","raggedGather"),o=N(t,"indices","raggedGather","int32"),i={paramsNestedSplits:a,paramsDenseValues:s,indices:o},u={outputRaggedRank:r},l=V.runKernel(Dh,i,u);return{outputNestedSplits:l.slice(0,l.length-1),outputDenseValues:l[l.length-1]}}const s4=P({raggedGather_:a4});/**
2565 * @license
2566 * Copyright 2022 Google LLC. All Rights Reserved.
2567 * Licensed under the Apache License, Version 2.0 (the "License");

2568 * you may not use this file except in compliance with the License.
2569 * You may obtain a copy of the License at
2570 *
2571 * http://www.apache.org/licenses/LICENSE-2.0
2572 *
2573 * Unless required by applicable law or agreed to in writing, software
2574 * distributed under the License is distributed on an "AS IS" BASIS,
2575 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2576 * See the License for the specific language governing permissions and
2577 * limitations under the License.
2578 * =============================================================================
2579 */function o4(n,e,t,r,a){const s=N(n,"shape","raggedTensorToTensor","int32"),o=N(e,"values","raggedTensorToTensor"),i=N(t,"defaultValue","raggedTensorToTensor",o.dtype),u=r.map((p,h)=>N(p,`tensors${h}`,"raggedTensorToTensor","int32")),l={shape:s,values:o,defaultValue:i,rowPartitionTensors:u},c={rowPartitionTypes:a};return V.runKernel(Mh,l,c)}const i4=P({raggedTensorToTensor_:o4});/**
2580 * @license
2581 * Copyright 2020 Google LLC. All Rights Reserved.
2582 * Licensed under the Apache License, Version 2.0 (the "License");
2583 * you may not use this file except in compliance with the License.
2584 * You may obtain a copy of the License at
2585 *
2586 * http://www.apache.org/licenses/LICENSE-2.0
2587 *
2588 * Unless required by applicable law or agreed to in writing, software
2589 * distributed under the License is distributed on an "AS IS" BASIS,
2590 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2591 * See the License for the specific language governing permissions and
2592 * limitations under the License.
2593 * =============================================================================
2594 */function u4(n,e,t){const r=ae(n);let a=null;if(t==null||t==="float32")a=new Float32Array(r);else if(t==="int32")a=new Int32Array(r);else if(t==="bool")a=new Uint8Array(r);else throw new Error(`Unknown data type ${t}`);for(let s=0;s<r;s++)a[s]=e();return V.makeTensor(a,n,t)}const l4=P({rand_:u4});var Ji={exports:{}},c4=Ji.exports,Ol;function p4(){return Ol||(Ol=1,(function(n){(function(e,t,r){function a(u){var l=this,c=i();l.next=function(){var p=2091639*l.s0+l.c*23283064365386963e-26;return l.s0=l.s1,l.s1=l.s2,l.s2=p-(l.c=p|0)},l.c=1,l.s0=c(" "),l.s1=c(" "),l.s2=c(" "),l.s0-=c(u),l.s0<0&&(l.s0+=1),l.s1-=c(u),l.s1<0&&(l.s1+=1),l.s2-=c(u),l.s2<0&&(l.s2+=1),c=null}function s(u,l){return l.c=u.c,l.s0=u.s0,l.s1=u.s1,l.s2=u.s2,l}function o(u,l){var c=new a(u),p=l&&l.state,h=c.next;return h.int32=function(){return c.next()*4294967296|0},h.double=function(){return h()+(h()*2097152|0)*11102230246251565e-32},h.quick=h,p&&(typeof p=="object"&&s(p,c),h.state=function(){return s(c,{})}),h}function i(){var u=4022871197,l=function(c){c=String(c);for(var p=0;p<c.length;p++){u+=c.charCodeAt(p);var h=.02519603282416938*u;u=h>>>0,h-=u,h*=u,u=h>>>0,h-=u,u+=h*4294967296}return(u>>>0)*23283064365386963e-26};return l}t&&t.exports?t.exports=o:this.alea=o})(c4,n)})(Ji)),Ji.exports}var Qi={exports:{}},h4=Qi.exports,Fl;function d4(){return Fl||(Fl=1,(function(n){(function(e,t,r){function a(i){var u=this,l="";u.x=0,u.y=0,u.z=0,u.w=0,u.next=function(){var p=u.x^u.x<<11;return u.x=u.y,u.y=u.z,u.z=u.w,u.w^=u.w>>>19^p^p>>>8},i===(i|0)?u.x=i:l+=i;for(var c=0;c<l.length+64;c++)u.x^=l.charCodeAt(c)|0,u.next()}function s(i,u){return u.x=i.x,u.y=i.y,u.z=i.z,u.w=i.w,u}function o(i,u){var l=new a(i),c=u&&u.state,p=function(){return(l.next()>>>0)/4294967296};return p.double=function(){do var h=l.next()>>>11,d=(l.next()>>>0)/4294967296,m=(h+d)/(1<<21);while(m===0);return m},p.int32=l.next,p.quick=p,c&&(typeof c=="object"&&s(c,l),p.state=function(){return s(l,{})}),p}t&&t.exports?t.exports=o:this.xor128=o})(h4,n)})(Qi)),Qi.exports}var eu={exports:{}},f4=eu.exports,Dl;function m4(){return Dl||(Dl=1,(function(n){(function(e,t,r){function a(i){var u=this,l="";u.next=function(){var p=u.x^u.x>>>2;return u.x=u.y,u.y=u.z,u.z=u.w,u.w=u.v,(u.d=u.d+362437|0)+(u.v=u.v^u.v<<4^(p^p<<1))|0},u.x=0,u.y=0,u.z=0,u.w=0,u.v=0,i===(i|0)?u.x=i:l+=i;for(var c=0;c<l.length+64;c++)u.x^=l.charCodeAt(c)|0,c==l.length&&(u.d=u.x<<10^u.x>>>4),u.next()}function s(i,u){return u.x=i.x,u.y=i.y,u.z=i.z,u.w=i.w,u.v=i.v,u.d=i.d,u}function o(i,u){var l=new a(i),c=u&&u.state,p=function(){return(l.next()>>>0)/4294967296};return p.double=function(){do var h=l.next()>>>11,d=(l.next()>>>0)/4294967296,m=(h+d)/(1<<21);while(m===0);return m},p.int32=l.next,p.quick=p,c&&(typeof c=="object"&&s(c,l),p.state=function(){return s(l,{})}),p}t&&t.exports?t.exports=o:this.xorwow=o})(f4,n)})(eu)),eu.exports}var tu={exports:{}},g4=tu.exports,Ml;function y4(){return Ml||(Ml=1,(function(n){(function(e,t,r){function a(i){var u=this;u.next=function(){var c=u.x,p=u.i,h,d;return h=c[p],h^=h>>>7,d=h^h<<24,h=c[p+1&7],d^=h^h>>>10,h=c[p+3&7],d^=h^h>>>3,h=c[p+4&7],d^=h^h<<7,h=c[p+7&7],h=h^h<<13,d^=h^h<<9,c[p]=d,u.i=p+1&7,d};function l(c,p){var h,d=[];if(p===(p|0))d[0]=p;else for(p=""+p,h=0;h<p.length;++h)d[h&7]=d[h&7]<<15^p.charCodeAt(h)+d[h+1&7]<<13;for(;d.length<8;)d.push(0);for(h=0;h<8&&d[h]===0;++h);for(h==8?d[7]=-1:d[h],c.x=d,c.i=0,h=256;h>0;--h)c.next()}l(u,i)}function s(i,u){return u.x=i.x.slice(),u.i=i.i,u}function o(i,u){i==null&&(i=+new Date);var l=new a(i),c=u&&u.state,p=function(){return(l.next()>>>0)/4294967296};return p.double=function(){do var h=l.next()>>>11,d=(l.next()>>>0)/4294967296,m=(h+d)/(1<<21);while(m===0);return m},p.int32=l.next,p.quick=p,c&&(c.x&&s(c,l),p.state=function(){return s(l,{})}),p}t&&t.exports?t.exports=o:this.xorshift7=o})(g4,n)})(tu)),tu.exports}var nu={exports:{}},x4=nu.exports,Ll;function b4(){return Ll||(Ll=1,(function(n){(function(e,t,r){function a(i){var u=this;u.next=function(){var c=u.w,p=u.X,h=u.i,d,m;return u.w=c=c+1640531527|0,m=p[h+34&127],d=p[h=h+1&127],m^=m<<13,d^=d<<17,m^=m>>>15,d^=d>>>12,m=p[h]=m^d,u.i=h,m+(c^c>>>16)|0};function l(c,p){var h,d,m,y,b,x=[],T=128;for(p===(p|0)?(d=p,p=null):(p=p+"\0",d=0,T=Math.max(T,p.length)),m=0,y=-32;y<T;

2594++y)p&&(d^=p.charCodeAt((y+32)%p.length)),y===0&&(b=d),d^=d<<10,d^=d>>>15,d^=d<<4,d^=d>>>13,y>=0&&(b=b+1640531527|0,h=x[y&127]^=d+b,m=h==0?m+1:0);for(m>=128&&(x[(p&&p.length||0)&127]=-1),m=127,y=512;y>0;--y)d=x[m+34&127],h=x[m=m+1&127],d^=d<<13,h^=h<<17,d^=d>>>15,h^=h>>>12,x[m]=d^h;c.w=b,c.X=x,c.i=m}l(u,i)}function s(i,u){return u.i=i.i,u.w=i.w,u.X=i.X.slice(),u}function o(i,u){i==null&&(i=+new Date);var l=new a(i),c=u&&u.state,p=function(){return(l.next()>>>0)/4294967296};return p.double=function(){do var h=l.next()>>>11,d=(l.next()>>>0)/4294967296,m=(h+d)/(1<<21);while(m===0);return m},p.int32=l.next,p.quick=p,c&&(c.X&&s(c,l),p.state=function(){return s(l,{})}),p}t&&t.exports?t.exports=o:this.xor4096=o})(x4,n)})(nu)),nu.exports}var ru={exports:{}},v4=ru.exports,Pl;function w4(){return Pl||(Pl=1,(function(n){(function(e,t,r){function a(i){var u=this,l="";u.next=function(){var p=u.b,h=u.c,d=u.d,m=u.a;return p=p<<25^p>>>7^h,h=h-d|0,d=d<<24^d>>>8^m,m=m-p|0,u.b=p=p<<20^p>>>12^h,u.c=h=h-d|0,u.d=d<<16^h>>>16^m,u.a=m-p|0},u.a=0,u.b=0,u.c=-1640531527,u.d=1367130551,i===Math.floor(i)?(u.a=i/4294967296|0,u.b=i|0):l+=i;for(var c=0;c<l.length+20;c++)u.b^=l.charCodeAt(c)|0,u.next()}function s(i,u){return u.a=i.a,u.b=i.b,u.c=i.c,u.d=i.d,u}function o(i,u){var l=new a(i),c=u&&u.state,p=function(){return(l.next()>>>0)/4294967296};return p.double=function(){do var h=l.next()>>>11,d=(l.next()>>>0)/4294967296,m=(h+d)/(1<<21);while(m===0);return m},p.int32=l.next,p.quick=p,c&&(typeof c=="object"&&s(c,l),p.state=function(){return s(l,{})}),p}t&&t.exports?t.exports=o:this.tychei=o})(v4,n)})(ru)),ru.exports}var au={exports:{}}

2594,S4=au.exports,Bl;function k4(){return Bl||(Bl=1,(function(n){(function(e,t,r){var a=256,s=6,o=52,i="random",u=r.pow(a,s),l=r.pow(2,o),c=l*2,p=a-1,h;function d(F,M,U){var X=[];M=M==!0?{entropy:!0}:M||{};var z=x(b(M.entropy?[F,$(t)]:F??T(),3),X),L=new m(X),C=function(){for(var q=L.g(s),ee=u,te=0;q<l;)q=(q+te)*a,ee*=a,te=L.g(1);for(;q>=c;)q/=2,ee/=2,te>>>=1;return(q+te)/ee};return C.int32=function(){return L.g(4)|0},C.quick=function(){return L.g(4)/4294967296},C.double=C,x($(L.S),t),(M.pass||U||function(q,ee,te,le){return le&&(le.S&&y(le,L),q.state=function(){return y(L,{})}),te?(r[i]=q,ee):q})(C,z,"global"in M?M.global:this==r,M.state)}function m(F){var M,U=F.length,X=this,z=0,L=X.i=X.j=0,C=X.S=[];for(U||(F=[U++]);z<a;)C[z]=z++;for(z=0;z<a;z++)C[z]=C[L=p&L+F[z%U]+(M=C[z])],C[L]=M;(X.g=function(q){for(var ee,te=0,le=X.i,de=X.j,fe=X.S;q--;)ee=fe[le=p&le+1],te=te*a+fe[p&(fe[le]=fe[de=p&de+ee])+(fe[de]=ee)];return X.i=le,X.j=de,te})(a)}function y(F,M){return M.i=F.i,M.j=F.j,M.S=F.S.slice(),M}function b(F,M){var U=[],X=typeof F,z;if(M&&X=="object")for(z in F)try{U.push(b(F[z],M-1))}catch{}return U.length?U:X=="string"?F:F+"\0"}function x(F,M){for(var U=F+"",X,z=0;z<U.length;)M[p&z]=p&(X^=M[p&z]*19)+U.charCodeAt(z++);return $(M)}function T(){try{var F;return h&&(F=h.randomBytes)?F=F(a):(F=new Uint8Array(a),(e.crypto||e.msCrypto).getRandomValues(F)),$(F)}catch{var M=e.navigator,U=M&&M.plugins;return[+new Date,e,U,e.screen,$(t)]}}function $(F){return String.fromCharCode.apply(0,F)}if(x(r.random(),t),n.exports){n.exports=d;try{h=o2}catch{}}else r["seed"+i]=d})(typeof self<"u"?self:S4,[],Math)})(au)),au.exports}var si,Ul;function T4(){if(Ul)return si;Ul=1;var n=p4(),e=d4(),t=m4(),r=y4(),a=b4(),s=w4(),o=k4();return o.alea=n,o.xor128=e,o.xorwow=t,o.xorshift7=r,o.xor4096=a,o.tychei=s,si=o,si}var Xu=T4();/**
2595 * @license
2596 * Copyright 2018 Google LLC. All Rights Reserved.
2597 * Licensed under the Apache License, Version 2.0 (the "License");
2598 * you may not use this file except in compliance with the License.
2599 * You may obtain a copy of the License at
2600 *
2601 * http://www.apache.org/licenses/LICENSE-2.0
2602 *
2603 * Unless required by applicable law or agreed to in writing, software
2604 * distributed under the License is distributed on an "AS IS" BASIS,
2605 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2606 * See the License for the specific language governing permissions and
2607 * limitations under the License.
2608 * =============================================================================
2609 */class qu{constructor(e,t,r,a,s){this.mean=e,this.stdDev=t,this.dtype=r,this.nextVal=NaN,this.truncated=a,this.truncated&&(this.upper=this.mean+this.stdDev*2,this.lower=this.mean-this.stdDev*2);const o=s||Math.random();this.random=Xu.alea(o.toString())}nextValue(){if(!isNaN(this.nextVal)){const a=this.nextVal;return this.nextVal=NaN,a}let e,t,r=!1;for(;!r;){let a,s,o;do a=2*this.random()-1,s=2*this.random()-1,o=a*a+s*s;while(o>=1||o===0);const i=Math.sqrt(-2*Math.log(o)/o);e=this.mean+this.stdDev*a*i,t=this.mean+this.stdDev*s*i,(!this.truncated||this.isValidTruncated(e))&&(r=!0)}return(!this.truncated||this.isValidTruncated(t))&&(this.nextVal=this.convertValue(t)),this.convertValue(e)}convertValue(e){return this.dtype==null||this.dtype==="float32"?e:Math.round(e)}isValidTruncated(e){return e<=this.upper&&e>=this.lower}}class E4{constructor(e,t,r,a){this.alpha=e,this.beta=1/t,this.dtype=r;const s=a||Math.random();this.randu=Xu.alea(s.toString()),this.randn=new qu(0,1,r,!1,this.randu()),e<1?this.d=e+2/3:this.d=e-1/3,this.c=1/Math.sqrt(9*this.d)}nextValue(){let e,t,r,a,s,o;for(;;){do a=this.randn.nextValue(),o=1+this.c*a;while(o<=0);if(o*=o*o,e=a*a,t=1-.331*e*e,r=.5*e+this.d*(1-o+Math.log(o)),s=this.randu(),s<t||Math.log(s)<r)break}return o=1/this.beta*this.d*o,this.alpha<1&&(o*=Math.pow(this.randu(),1/this.alpha)),this.convertValue(o)}convertValue(e){return this.dtype==="float32"?e:Math.round(e)}}class C4{constructor(e=0,t=1,r,a){if(this.canReturnFloat=()=>this.dtype==null||this.dtype==="float32",this.min=e,this.range=t-e,this.dtype=r,a==null&&(a=Math.random()),typeof a=="number"&&(a=a.toString()),!this.canReturnFloat()&&this.range<=1)throw new Error(`The difference between ${e} - ${t} <= 1 and dtype is not float`);this.random=Xu.alea(a)}convertValue(e){return this.canReturnFloat()?e:Math.round(e)}