@tensorflow/tfjs-core/dist/tf-core.min.js

Hardware-accelerated JavaScript library for machine intelligence

/**
 * @license
 * Copyright 2024 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
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s=Math.min(8,e.length-i),u=parseInt(e.substring(i,i+s),n);if(s<8){var c=Xn($n(n,s));o=o.mul(c).add(Xn(u))}else o=(o=o.mul(a)).add(Xn(u))}return o.unsigned=t,o}function tr(e,t){return"number"==typeof e?Xn(e,t):"string"==typeof e?er(e,t):Qn(e.low,e.high,"boolean"==typeof t?t:e.unsigned)}Hn.fromString=er,Hn.fromValue=tr;var nr=4294967296,rr=nr*nr,ar=rr/2,or=Yn(1<<24),ir=Yn(0);Hn.ZERO=ir;var sr=Yn(0,!0);Hn.UZERO=sr;var ur=Yn(1);Hn.ONE=ur;var cr=Yn(1,!0);Hn.UONE=cr;var lr=Yn(-1);Hn.NEG_ONE=lr;var hr=Qn(-1,2147483647,!1);Hn.MAX_VALUE=hr;var fr=Qn(-1,-1,!0);Hn.MAX_UNSIGNED_VALUE=fr;var dr=Qn(0,-2147483648,!1);Hn.MIN_VALUE=dr;var pr=Hn.prototype;pr.toInt=function(){return this.unsigned?this.low>>>0:this.low},pr.toNumber=function(){return this.unsigned?(this.high>>>0)*nr+(this.low>>>0):this.high*nr+(this.low>>>0)},pr.toString=function(e){if((e=e||10)<2||36<e)throw RangeError("radix");if(this.isZero())return"0";if(this.isNegative()){if(this.eq(dr)){var t=Xn(e),n=this.div(t),r=n.mul(t).sub(this);return n.toString(e)+r.toInt().toString(e)}return"-"+this.neg().toString(e)}for(var a=Xn($n(e,6),this.unsigned),o=this,i="";;){var s=o.div(a),u=(o.sub(s.mul(a)).toInt()>>>0).toString(e);if((o=s).isZero())return u+i;for(;u.length<6;)u="0"+u;i=""+u+i}},pr.getHighBits=function(){return this.high},pr.getHighBitsUnsigned=function(){return this.high>>>0},pr.getLowBits=function(){return this.low},pr.getLowBitsUnsigned=function(){return this.low>>>0},pr.getNumBitsAbs=function(){if(this.isNegative())return this.eq(dr)?64:this.neg().getNumBitsAbs();for(var e=0!=this.high?this.high:this.low,t=31;t>0&&0==(e&1<<t);t--);return 0!=this.high?t+33:t+1},pr.isZero=function(){return 0===this.high&&0===this.low},pr.eqz=pr.isZero,pr.isNegative=function(){return!this.unsigned&&this.high<0},pr.isPositive=function(){return this.unsigned||this.high>=0},pr.isOdd=function(){return 1==(1&this.low)},pr.isEven=function(){return 0==(1&this.low)},pr.equals=function(e){return jn(e)||(e=tr(e)),(this.unsigned===e.unsigned||this.high>>>31!=1||e.high>>>31!=1)&&(this.high===e.high&&this.low===e.low)},pr.eq=pr.equals,pr.notEquals=function(e){return!this.eq(e)},pr.neq=pr.notEquals,pr.ne=pr.notEquals,pr.lessThan=function(e){return this.comp(e)<0},pr.lt=pr.lessThan,pr.lessThanOrEqual=function(e){return this.comp(e)<=0},pr.lte=pr.lessThanOrEqual,pr.le=pr.lessThanOrEqual,pr.greaterThan=function(e){return this.comp(e)>0},pr.gt=pr.greaterThan,pr.greaterThanOrEqual=function(e){return this.comp(e)>=0},pr.gte=pr.greaterThanOrEqual,pr.ge=pr.greaterThanOrEqual,pr.compare=function(e){if(jn(e)||(e=tr(e)),this.eq(e))return 0;var t=this.isNegative(),n=e.isNegative();return t&&!n?-1:!t&&n?1:this.unsigned?e.high>>>0>this.high>>>0||e.high===this.high&&e.low>>>0>this.low>>>0?-1:1:this.sub(e).isNegative()?-1:1},pr.comp=pr.compare,pr.negate=function(){return!this.unsigned&&this.eq(dr)?dr:this.not().add(ur)},pr.neg=pr.negate,pr.add=function(e){jn(e)||(e=tr(e));var t=this.high>>>16,n=65535&this.high,r=this.low>>>16,a=65535&this.low,o=e.high>>>16,i=65535&e.high,s=e.low>>>16,u=0,c=0,l=0,h=0;return l+=(h+=a+(65535&e.low))>>>16,c+=(l+=r+s)>>>16,u+=(c+=n+i)>>>16,u+=t+o,Qn((l&=65535)<<16|(h&=65535),(u&=65535)<<16|(c&=65535),this.unsigned)},pr.subtract=function(e){return jn(e)||(e=tr(e)),this.add(e.neg())},pr.sub=pr.subtract,pr.multiply=function(e){if(this.isZero())return ir;if(jn(e)||(e=tr(e)),Vn)return Qn(Vn.mul(this.low,this.high,e.low,e.high),Vn.get_high(),this.unsigned);if(e.isZero())return ir;if(this.eq(dr))return e.isOdd()?dr:ir;if(e.eq(dr))return this.isOdd()?dr:ir;if(this.isNegative())return e.isNegative()?this.neg().mul(e.neg()):this.neg().mul(e).neg();if(e.isNegative())return this.mul(e.neg()).neg();if(this.lt(or)&&e.lt(or))return Xn(this.toNumber()*e.toNumber(),this.unsigned);var t=this.high>>>16,n=65535&this.high,r=this.low>>>16,a=65535&this.low,o=e.high>>>16,i=65535&e.high,s=e.low>>>16,u=65535&e.low,c=0,l=0,h=0,f=0;return h+=(f+=a*u)>>>16,l+=(h+=r*u)>>>16,h&=65535,l+=(h+=a*s)>>>16,c+=(l+=n*u)>>>16,l&=65535,c+=(l+=r*s)>>>16,l&=65535,c+=(l+=a*i)>>>16,c+=t*u+n*s+r*i+a*o,Qn((h&=65535)<<16|(f&=65535),(c&=65535)<<16|(l&=65535),this.unsigned)},pr.mul=pr.multiply,pr.divide=function(e){if(jn(e)||(e=tr(e)),e.isZero())throw Error("division by zero");var t,n,r;if(Vn)return this.unsigned||-2147483648!==this.high||-1!==e.low||-1!==e.high?Qn((this.unsigned?Vn.div_u:Vn.div_s)(this.low,this.high,e.low,e.high),Vn.get_high(),this.unsigned):this;if(this.isZero())return this.unsigned?sr:ir;if(this.unsigned){if(e.unsigned||(e=e.toUnsigned()),e.gt(this))return sr;if(e.gt(this.shru(1)))return cr;r=sr}else{if(this.eq(dr))return e.eq(ur)||e.eq(lr)?dr:e.eq(dr)?ur:(t=this.shr(1).div(e).shl(1)).eq(ir)?e.isNegative()?ur:lr:(n=this.sub(e.mul(t)),r=t.add(n.div(e)));if(e.eq(dr))return this.unsigned?sr:ir;if(this.isNegative())return e.isNegative()?this.neg().div(e.neg()):this.neg().div(e).neg();if(e.isNegative())return 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jn(e)&&(e=e.toInt()),0==(e&=63)?this:e<32?Qn(this.low<<e,this.high<<e|this.low>>>32-e,this.unsigned):Qn(0,this.low<<e-32,this.unsigned)},pr.shl=pr.shiftLeft,pr.shiftRight=function(e){return jn(e)&&(e=e.toInt()),0==(e&=63)?this:e<32?Qn(this.low>>>e|this.high<<32-e,this.high>>e,this.unsigned):Qn(this.high>>e-32,this.high>=0?0:-1,this.unsigned)},pr.shr=pr.shiftRight,pr.shiftRightUnsigned=function(e){if(jn(e)&&(e=e.toInt()),0===(e&=63))return this;var t=this.high;return e<32?Qn(this.low>>>e|t<<32-e,t>>>e,this.unsigned):Qn(32===e?t:t>>>e-32,0,this.unsigned)},pr.shru=pr.shiftRightUnsigned,pr.shr_u=pr.shiftRightUnsigned,pr.toSigned=function(){return this.unsigned?Qn(this.low,this.high,!1):this},pr.toUnsigned=function(){return this.unsigned?this:Qn(this.low,this.high,!0)},pr.toBytes=function(e){return e?this.toBytesLE():this.toBytesBE()},pr.toBytesLE=function(){var e=this.high,t=this.low;return[255&t,t>>>8&255,t>>>16&255,t>>>24,255&e,e>>>8&255,e>>>16&255,e>>>24]},pr.toBytesBE=function(){var e=this.high,t=this.low;return[e>>>24,e>>>16&255,e>>>8&255,255&e,t>>>24,t>>>16&255,t>>>8&255,255&t]},Hn.fromBytes=function(e,t,n){return n?Hn.fromBytesLE(e,t):Hn.fromBytesBE(e,t)},Hn.fromBytesLE=function(e,t){return new Hn(e[0]|e[1]<<8|e[2]<<16|e[3]<<24,e[4]|e[5]<<8|e[6]<<16|e[7]<<24,t)},Hn.fromBytesBE=function(e,t){return new Hn(e[4]<<24|e[5]<<16|e[6]<<8|e[7],e[0]<<24|e[1]<<16|e[2]<<8|e[3],t)};var gr=qn(Kn),vr=gr||t({__proto__:null,default:gr},[Kn]);function mr(e){return vr.fromString(e,!0,16)}var yr=mr("c3a5c85c97cb3127"),br=mr("b492b66fbe98f273"),wr=mr("9ae16a3b2f90404f");function kr(e){return e.xor(e.shru(47))}function xr(e,t,n){var r=e.slice(t,t+n);return vr.fromBytes(Array.from(r),!0,!0)}function Er(e,t){return xr(e,t,8)}function Sr(e,t){return xr(e,t,4)}function Ar(e,t){return 0===t?e:e.shru(t).or(e.shl(64-t))}function _r(e,t,n){void 0===n&&(n=mr("9ddfea08eb382d69"));var r=e.xor(t).mul(n);r=r.xor(r.shru(47));var a=t.xor(r).mul(n);return a=(a=a.xor(a.shru(47))).mul(n)}function 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