2022-08-22 19:17:39 +02:00
/ *
2020-12-02 22:46:41 +01:00
Face - API
homepage : < https : //github.com/vladmandic/face-api>
author : < https : //github.com/vladmandic>'
2021-09-08 19:51:28 +02:00
* /
2020-12-02 22:46:41 +01:00
2024-01-17 22:44:24 +01:00
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( r = NR ( t , s ) ) || r . enumerable } ) ; return e } ; var $R = e => DR ( dv ( { } , "__esModule" , { value : ! 0 } ) , e ) ; var Jge = { } ; $h ( Jge , { AgeGenderNet : ( ) => Kp , BoundingBox : ( ) => iu , Box : ( ) => on , ComposableTask : ( ) => Ir , ComputeAllFaceDescriptorsTask : ( ) => Hs , ComputeFaceDescriptorsTaskBase : ( ) => Jp , ComputeSingleFaceDescriptorTask : ( ) => js , DetectAllFaceLandmarksTask : ( ) => eh , DetectAllFacesTask : ( ) => Hl , DetectFaceLandmarksTaskBase : ( ) => Qp , DetectFacesTaskBase : ( ) => nh , DetectSingleFaceLandmarksTask : ( ) => th , DetectSingleFaceTask : ( ) => rh , Dimensions : ( ) => Un , FACE _EXPRESSION _LABELS : ( ) => H0 , FaceDetection : ( ) => Tt , FaceDetectionNet : ( ) => J0 , FaceExpressionNet : ( ) => qp , FaceExpressions : ( ) => Vs , FaceLandmark68Net : ( ) => yu , FaceLandmark68TinyNet : ( ) => Xp , FaceLandmarkNet : ( ) => X0 , FaceLandmarks : ( ) => or , FaceLandmarks5 : ( ) => D0 , FaceLandmarks68 : ( ) => lu , FaceMatch : ( ) => Al , FaceMatcher : ( ) => tS , FaceRecognitionNet : ( ) => vu , Gender : ( ) => wg , LabeledBox : ( ) => Dl , LabeledFaceDescriptors : ( ) => Ba , NetInput : ( ) => xs , NeuralNetwork : ( ) => cn , ObjectDetection : ( ) => uu , Point : ( ) => Ue , PredictedBox : ( ) => $0 , Rect : ( ) => cu , SsdMobilenetv1 : ( ) => za , SsdMobilenetv1Options : ( ) => wr , TinyFaceDetector : ( ) => ku , TinyFaceDetectorOptions : ( ) => Zp , TinyYolov2 : ( ) => wu , TinyYolov2Options : ( ) => Qr , allFaces : ( ) => Xge , allFacesSsdMobilenetv1 : ( ) => jF , allFacesTinyYolov2 : ( ) => Kge , awaitMediaLoaded : ( ) => B0 , bufferToImage : ( ) => z0 , computeFaceDescriptor : ( ) => Rge , createCanvas : ( ) => mu , createCanvasFromMedia : ( ) => Up , createFaceDetectionNet : ( ) => Nge , createFaceRecognitionNet : ( ) => gge , createSsdMobilenetv1 : ( ) => DF , createTinyFaceDetector : ( ) => Yge , createTinyYolov2 : ( ) => Age , detectAllFaces : ( ) => Dg , detectFaceLandmarks : ( ) => GF , detectFaceLandmarksTiny : ( ) => Fge , detectLandmarks : ( ) => jge , detectSingleFace : ( ) => qge , draw : ( ) => q0 , env : ( ) => nt , euclideanDistance : ( ) => eS , extendWithAge : ( ) => Cg , extendWithFaceDescriptor : ( ) => Sg , extendWithFaceDetection : ( ) => du , extendWithFaceExpressions : ( ) => bg , extendWithFaceLandmarks : ( ) => zl , extendWithGender : ( ) => Tg , extractFaceTensors : ( ) => Rl , extractFaces : ( ) => Fl , fetchImage : ( ) => nge , fetchJson : ( ) => U0 , fetchNetWeights : ( ) => rge , fetchOrThrow : ( ) => Ws , fetchVideo : ( ) => sge , getContext2dOrThrow : ( ) => Gn , getMediaDimensions : ( ) => fu , imageTensorToCanvas : ( ) => W0 , imageToSquare : ( ) => V0 , inverseSigmoid : ( ) => Xme , iou : ( ) => N0 , isMediaElement : ( ) => cg , isMediaLoaded : ( ) => Vp , isWithAge : ( ) => bge , isWithFaceDetection : ( ) => vs , isWithFaceExpressions : ( ) => j0 , isWithFaceLandmarks : ( ) => bu , isWithGender : ( ) => yge , loadAgeGenderModel : ( ) => Uge , loadFaceDetectionModel : ( ) => Gge , loadFaceExpressionModel : ( ) => Vge , loadFaceLandmarkModel : ( ) => Bge , loadFaceLandmarkTinyModel : ( ) => zge , loadFaceRecognitionModel : ( ) => Wge , loadSsdMobilenetv1Model : ( ) => HF , loadTinyFaceDetectorModel : ( ) => Mge , loadTinyYolov2Model : ( ) => Lge , loadWeightMap : ( ) => G0 , locateFaces : ( ) => Hge , matchDimensions : ( ) => age , minBbox : ( ) => _0 , nets : ( ) => rt , nonMaxSuppression : ( ) => E0 , normalize : ( ) => Zr , padToSquare : ( ) => A0 , predictAgeAndGender : ( ) => Oge , recognizeFaceExpressions : ( ) => Pge , resizeResults : ( ) => qF , resolveInput : ( ) => pu , shuffleArray : ( ) => Kme , sigmoid : ( ) => Bp , ssdMobilenetv1 : ( ) => UF , tf : ( ) => Oe , tinyFaceDetector : ( ) => Dge , tinyYolov2 : ( ) => $ge , toNetInput : ( ) => vt , utils : ( ) => T0 , validateConfig : ( ) => Q0 , version : ( ) => Zge } ) ; var Oe = { } ; $h ( Oe , { Abs : ( ) => cc , Acos : ( ) => Eo , Acosh : ( ) => Ao , AdadeltaOptimizer : ( ) => Yw , AdagradOptimizer : ( ) => Zw , AdamOptimizer : ( ) => Jw , AdamaxOptimizer : ( ) => Qw , Add : ( ) => Sa , AddN : ( ) => Do , All : ( ) => lc , Any : ( ) => dc , ArgMax : ( ) => pc , ArgMin : ( ) => hc , Asin : ( ) => $o , Asinh : ( ) => Fo , Atan : ( ) => Ro , Atan2 : ( ) => Oo , Atanh : ( ) => Po , AvgPool : ( ) => Mo , AvgPool3D : ( ) => fc , AvgPool3DGrad : ( ) => zd , AvgPoolGrad : ( ) => Bd , BackendWasm : ( ) => oF , BatchMatMul : ( ) => Lo , BatchToSpaceND : ( ) => mc , Bincount : ( ) => gc , BitwiseAn
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$ { s } and $ { t } for depthToSpace with input shape
$ { r . shape } ` ),A(a*t>=0,()=> ` Negative dimension size caused by overflow when multiplying
$ { a } and $ { t } for depthToSpace with input shape
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$ { s . shape } ` );if(a.rank!==1)throw new Error( ` Segment ids should be Tensor1D but received shape
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Received countWeights = $ { t . countWeights } ` );n=Te(t.countWeights)}let r=hr(e),s=Xu(e),a=En(this.numTokens,r).bufferSync().get(0),o=Rs(s,0).bufferSync().get(0);if(!(a&&o))throw new V( ` Input values must be between 0 < values <= numTokens with numTokens = $ { this . numTokens } ` );return B6(e,this.outputMode,this.numTokens,n)})}};Dk.className="CategoryEncoding";re.registerClass(Dk);var z6=["bilinear","nearest"],r1=new Set(z6), $ k=class extends ze{constructor(e){if(super(e),this.height=e.height,this.width=e.width,e.interpolation)if(r1.has(e.interpolation))this.interpolation=e.interpolation;else throw new V( ` Invalid interpolation parameter : $ { e . interpolation } is not implemented ` );else this.interpolation="bilinear";this.cropToAspectRatio=!!e.cropToAspectRatio}computeOutputShape(e){e=Qe(e);let t=e[2];return[this.height,this.width,t]}getConfig(){let e={height:this.height,width:this.width,interpolation:this.interpolation,cropToAspectRatio:this.cropToAspectRatio},t=super.getConfig();return Object.assign(e,t),e}call(e,t){return O(()=>{let n=[this.height,this.width];if(this.interpolation==="bilinear")return er.resizeBilinear(e,n,!this.cropToAspectRatio);if(this.interpolation==="nearest")return er.resizeNearestNeighbor(e,n,!this.cropToAspectRatio);throw new Error( ` Interpolation is $ { this . interpolation } but only $ { [ ... r1 ] } are supported ` )})}}; $ k.className="Resizing";re.registerClass( $ k);var Y2=class{constructor(e){this.seed=e}next(){if(this.seed!==void 0)return this.seed++}};Y2.className="RandomSeed";var Z2=class extends ze{constructor(e){super(e),this.randomGenerator=new Y2(e.seed)}getConfig(){let e={seed:this.randomGenerator.seed},t=super.getConfig();return Object.assign(e,t),e}};Z2.className="BaseRandomLayer";var W6=["bilinear","nearest"],s1=new Set(W6),Fk=class extends Z2{constructor(e){super(e);let{factor:t,interpolation:n="bilinear"}=e;if(this.factor=t,Array.isArray(this.factor)&&this.factor.length===2)this.widthLower=this.factor[0],this.widthUpper=this.factor[1];else if(!Array.isArray(this.factor)&&this.factor>0)this.widthLower=-this.factor,this.widthUpper=this.factor;else throw new V( ` Invalid factor : $ { this . factor } . Must be positive number or tuple of 2 numbers ` );if(this.widthLower<-1||this.widthUpper<-1)throw new V( ` factor must have values larger than - 1. Got : $ { this . factor } ` );if(this.widthUpper<this.widthLower)throw new V( ` factor cannot have upper bound less than lower bound .
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Got upper bound : $ { this . widthUpper } .
Got lower bound : $ { this . widthLower }
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` );if(n)if(s1.has(n))this.interpolation=n;else throw new V( ` Invalid interpolation parameter : $ { n } is not implemented ` )}getConfig(){let e={factor:this.factor,interpolation:this.interpolation},t=super.getConfig();return Object.assign(e,t),e}computeOutputShape(e){e=Qe(e);let t=e[2];return[this.imgHeight,-1,t]}call(e,t){return O(()=>{let n=Te(e);this.imgHeight=n.shape[n.shape.length-3];let r=n.shape[n.shape.length-2];this.widthFactor= $ a([1],1+this.widthLower,1+this.widthUpper,"float32",this.randomGenerator.next());let s=this.widthFactor.dataSync()[0]*r;s=Math.round(s);let a=[this.imgHeight,s];switch(this.interpolation){case"bilinear":return er.resizeBilinear(e,a);case"nearest":return er.resizeNearestNeighbor(e,a);default:throw new Error( ` Interpolation is $ { this . interpolation }
but only $ { [ ... s1 ] } are supported ` )}})}};Fk.className="RandomWidth";re.registerClass(Fk);function V6(e){return new bl(e)}function U6(e){return new RI(e)}function G6(e){return new DI(e)}function H6(e){return new $ I(e)}function j6(e){return new FI(e)}function q6(e){return new OI(e)}function K6(e){return new PI(e)}function X6(e){return new WI(e)}function Y6(e){return new Gm(e)}function Z6(e){return new LI(e)}function J6(e){return new Hm(e)}function Q6(e){return new BI(e)}function ej(e){return new zI(e)}function tj(e){return new VI(e)}function nj(e){return new UI(e)}function rj(e){return new GI(e)}function sj(e){return new JI(e)}function aj(e){return new YI(e)}function oj(e){return new Ym(e)}function ij(e){return new XI(e)}function uj(e){return new ZI(e)}function cj(e){return new QI(e)}function lj(e){return new ek(e)}function dj(e){return new tk(e)}function pj(e){return new rk(e)}function hj(e){return new sk(e)}function fj(e){return new ok(e)}function mj(e){return new ck(e)}function gj(e){return new ik(e)}function bj(e){return new uk(e)}function yj(e){return new ak(e)}function vj(e){return new lk(e)}function xj(e){return new fk(e)}function wj(e){return new mk(e)}function Ij(e){return new gk(e)}function Rk(e){return new yk(e)}function kj(e){return Rk(e)}function Sj(e){return Rk(e)}function Pk(e){return new xk(e)}function Cj(e){return Pk(e)}function Tj(e){return Pk(e)}function Ok(e){return new Ik(e)}function Nj(e){return Ok(e)}function _j(e){return Ok(e)}function Ej(e){return new kk(e)}function Aj(e){return new Ck(e)}function J2(e){return new Sk(e)}function Q2(e){return new Tk(e)}function e_(e){return new bk(e)}function t_(e){return new vk(e)}function Dj(e){return new wk(e)}function $ j(e){return new jI(e)}function Fj(e){return new qm(e)}function Rj(e){return new qI(e)}function Pj(e){return new Fp(e)}function Oj(e){return new HI(e)}function Mj(e){return new jm(e)}function Lj(e){return new KI(e)}function Bj(e){return new Xm(e)}function zj(e){return new Ms(e)}function Wj(e){return new Km(e)}function Vj(e){return new _k(e)}function Uj(e){return new Nk(e)}var Gj=J2,Hj=Q2,jj=e_,qj=t_;function Kj(e){return new dk(e)}function Xj(e){return new pk(e)}function Yj(e){return new hk(e)}function Zj(e){return new nk(e)}function Jj(e){return new Ek(e)}function Qj(e){return new Ak(e)}function e5(e){return new $ k(e)}function t5(e){return new Dk(e)}function n5(e){return new Fk(e)}var n_={};Ee(n_,{MAPE:()=>h5,MSE:()=>g5,binaryAccuracy:()=>r5,binaryCrossentropy:()=>s5,categoricalAccuracy:()=>o5,categoricalCrossentropy:()=>i5,cosineProximity:()=>l5,mape:()=>f5,meanAbsoluteError:()=>d5,meanAbsolutePercentageError:()=>p5,meanSquaredError:()=>m5,mse:()=>b5,precision:()=>u5,recall:()=>c5,sparseCategoricalAccuracy:()=>a5});function r5(e,t){return CI(e,t)}function s5(e,t){return i2(e,t)}function a5(e,t){return u2(e,t)}function o5(e,t){return TI(e,t)}function i5(e,t){return NI(e,t)}function u5(e,t){return o2(e,t)}function c5(e,t){return WH(e,t)}function l5(e,t){return SI(e,t)}function d5(e,t){return zm(e,t)}function p5(e,t){return yl(e,t)}function h5(e,t){return yl(e,t)}function f5(e,t){return yl(e,t)}function m5(e,t){return Ji(e,t)}function g5(e,t){return Ji(e,t)}function b5(e,t){return Ji(e,t)}var r_={};Ee(r_,{modelFromJSON:()=>b6});var s_={};Ee(s_,{l1:()=>v5,l1l2:()=>y5,l2:()=>x5});function y5(e){return new Dp(e)}function v5(e){return S6(e)}function x5(e){return C6(e)}var a_=class extends rc{constructor(){super(...arguments),this.model=null}setModel(e){if(!(e instanceof Es))throw new Error("model must be a LayersModel, not some other Container");this.model=e}};function Bh(e,t){return e<t}function a1(e,t){return e>t}var o_=class extends a_{constructor(e){if(super(),e==null&&(e={}),e.restoreBestWeights)throw new Be("restoreBestWeights = True is not implemented in EarlyStopping yet.");this.monitor=e.monitor||"val_loss",this.minDelta=Math.abs(e.minDelta||0),this.patience=e.patience||0,this.verbose=e.verbose||0,this.mode=e.mode||"auto",this.baseline=e.baseline,["auto","min","max"].indexOf(this.mode)===-1&&(console.warn( ` EarlyStopping mode ' $ { this .
because the value dtype is $ { t . dtype } , but TensorArray dtype is $ { this . dtype } . ` );if(this.size()===0&&(this.elementShape==null||this.elementShape.length===0)&&(this.elementShape=t.shape),Ar(this.elementShape,t.shape, ` TensorArray $ { this . name } : Could not write to TensorArray index $ { e } . ` ),n.read)throw new Error( ` TensorArray $ { this . name } : Could not write to TensorArray index $ { e } , because it has already been read . ` );if(n.written)throw new Error( ` TensorArray $ { this . name } : Could not write to TensorArray index $ { e } , because it has already been written . ` );n.tensor=t,Ht(t),n.written=!0,this.tensors[e]=n}writeMany(e,t){if(e.length!==t.length)throw new Error( ` TensorArray $ { this . name } : could not write multiple tensors , because the index size : $ { e . length } is not the same as tensors size : $ { t . length } . ` );e.forEach((n,r)=>this.write(n,t[r]))}gather(e,t){if(t&&t!==this.dtype)throw new Error( ` TensorArray dtype is $ { this . dtype } but gather requested dtype $ { t } ` );if(e)e=e.slice(0,this.size());else{e=[];for(let r=0;r<this.size();r++)e.push(r)}if(e.length===0)return yn([],[0].concat(this.elementShape));let n=this.readMany(e);return Ar(this.elementShape,n[0].shape,"TensorArray shape mismatch: "),Dt(n,0)}concat(e){if(e&&e!==this.dtype)throw new Error( ` TensorArray dtype is $ { this . dtype } but concat requested dtype $ { e } ` );if(this.size()===0)return yn([],[0].concat(this.elementShape));let t=[];for(let r=0;r<this.size();r++)t.push(r);let n=this.readMany(t);return Ar(this.elementShape,n[0].shape, ` TensorArray shape mismatch : tensor array shape ( $ { this . elementShape } ) vs first tensor shape ( $ { n [ 0 ] . shape } ) ` ),tt(n,0)}scatter(e,t){if(t.dtype!==this.dtype)throw new Error( ` TensorArray dtype is $ { this . dtype } but tensor has dtype $ { t . dtype } ` );if(e.length!==t.shape[0])throw new Error( ` Expected len ( indices ) == tensor . shape [ 0 ] , but saw : $ { e . length } vs . $ { t . shape [ 0 ] } ` );let n=Math.max(...e);if(!this.dynamicSize&&n>=this.maxSize)throw new Error( ` Max index must be < array size ( $ { n } vs . $ { this . maxSize } ) ` );this.writeMany(e,pt(t,0))}split(e,t){if(t.dtype!==this.dtype)throw new Error( ` TensorArray dtype is $ { this . dtype } but tensor has dtype $ { t . dtype } ` );let n=0,r=e.map(i=>(n+=i,n));if(n!==t.shape[0])throw new Error( ` Expected sum of lengths to be equal to
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tensor . shape [ 0 ] , but sum of lengths is
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$ { n } , and tensor 's shape is: ${t.shape}`);if(!this.dynamicSize&&e.length!==this.maxSize)throw new Error(`TensorArray' s size is not equal to the size of lengths ( $ { this . maxSize } vs . $ { e . length } ) , and the TensorArray is not marked as dynamically resizeable ` );let s=n===0?0:t.size/n,a=[];O(()=>{t=W(t,[1,n,s]);for(let i=0;i<e.length;++i){let c=[0,i===0?0:r[i-1],0],l=[1,e[i],s];a[i]=W(Ve(t,c,l),this.elementShape)}return a});let o=[];for(let i=0;i<e.length;i++)o[i]=i;this.writeMany(o,a)}},Jm=class hx{get id(){return this.idTensor.id}constructor(t,n,r,s=-1){this.tensors=t,this.elementShape=n,this.elementDtype=r,t!=null&&t.forEach(a=>{if(r!==a.dtype)throw new Error( ` Invalid data types ; op elements $ { r } , but list elements $ { a . dtype } ` );Ar(n,a.shape,"TensorList shape mismatch: "),Ht(a)}),this.idTensor=xe(0),this.maxNumElements=s,Ht(this.idTensor)}copy(){return new hx([...this.tensors],this.elementShape,this.elementDtype)}clearAndClose(t){this.tensors.forEach(n=>{(t==null||!t.has(n.id))&&n.dispose()}),this.tensors.length=0,this.idTensor.dispose()}size(){return this.tensors.length}stack(t,n,r=-1){if(n!==this.elementDtype)throw new Error( ` Invalid data types ; op elements $ { n } , but list elements $ { this . elementDtype } ` );if(r!==-1&&this.tensors.length!==r)throw new Error( ` Operation expected a list with $ { r } elements but got a list with $ { this . tensors . length } elements . ` );Ar(t,this.elementShape,"TensorList shape mismatch: ");let s=rd(this.elementShape,this.tensors,t);return O(()=>{let a=this.tensors.map(o=>W(o,s));return Dt(a,0)})}popBack(t,n){if(n!==this.elementDtype)throw new Error( ` Invalid data types ; op elements $ { n } , but list elements $ { this . elementDtype } ` );if(this.size()===0)throw new Error("Trying to pop from an empty list.");let r=rd(this.elementShape,this.tensors,t),s=this.tensors.pop();return s.kept=!1,Ar(s.shape,t,"TensorList shape mismatch: "),W(s,r)}pushBack(t){if(t.dtype!==this.elementDtype)throw new Error( ` Invalid data types ; op elements $ { t . dtype } , but list elements $ { this . elementDtype } ` );if(Ar(t.shape,this.elementShape,"TensorList shape mismatch: "),this.maxNumElements===this.size())throw new Error("Trying to push element into a full list.");Ht(t),this.tensors.push(t)}resize(t){if(t<0)throw new Error( ` TensorListResize expects size to be non - negative . Got : $ { t } ` );if(this.maxNumElements!==-1&&t>this.maxNumElements)throw new Error( ` TensorListResize input size $ { t } is greater maxNumElement $ { this . maxNumElements } . ` );let n=new hx([],this.elementShape,this.elementDtype,this.maxNumElements);n.tensors.length=t;for(let r=0;r<Math.min(this.tensors.length,t);++r)n.tensors[r]=this.tensors[r];return n}getItem(t,n,r){if(r!==this.elementDtype)throw new Error( ` Invalid data types ; op elements $ { r } , but list elements $ { this . elementDtype } ` );if(t<0||t>this.tensors.length)throw new Error( ` Trying to access element $ { t } in a list with $ { this . tensors . length } elements . ` );if(this.tensors[t]==null)throw new Error( ` element at index $ { t } is null . ` );Ar(this.tensors[t].shape,n,"TensorList shape mismatch: ");let s=rd(this.elementShape,this.tensors,n);return W(this.tensors[t],s)}setItem(t,n){if(n.dtype!==this.elementDtype)throw new Error( ` Invalid data types ; op elements $ { n . dtype } , but list elements $ { this . elementDtype } ` );if(t<0||this.maxNumElements!==-1&&t>=this.maxNumElements)throw new Error( ` Trying to set element $ { t } in a list with max $ { this . maxNumElements } elements . ` );Ar(this.elementShape,n.shape,"TensorList shape mismatch: "),Ht(n),this.tensors[t]!=null&&(this.tensors[t].kept=!1),this.tensors[t]=n}gather(t,n,r){if(n!==this.elementDtype)throw new Error( ` Invalid data types ; op elements $ { n } , but list elements $ { this . elementDtype } ` );Ar(this.elementShape,r,"TensorList shape mismatch: "),t=t.slice(0,this.size());let s=rd(this.elementShape,this.tensors,r);return t.length===0?yn([],[0].concat(s)):O(()=>{let a=t.map(o=>W(this.tensors[o],s));return Dt(a,0)})}concat(t,n){if(t&&t!==this.elementDtype)throw new Error( ` TensorList dtype is $ { this . elementDtype } but concat requested dtype $ { t } ` );Ar(this.elementShape,n,"TensorList shape mismatch: ");let r=rd(th
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tensor . shape [ 0 ] , but sum of lengths is
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$ { r } , and tensor ' s shape is : $ { e . shape } ` );let a=e.shape.slice(1),o=px(a,n),i=r===0?0:e.size/r,u=O(()=>{let l=[];e=W(e,[1,r,i]);for(let p=0;p<t.length;++p){let h=[0,p===0?0:s[p-1],0],f=[1,t[p],i];l[p]=W(Ve(e,h,f),o)}return e.dispose(),l}),c=new Jm([],n,e.dtype,t.length);for(let l=0;l<u.length;l++)c.setItem(l,u[l]);return c}var eq=async(e,t,n)=>{switch(e.op){case"If":case"StatelessIf":{let r=I("thenBranch",e,t,n),s=I("elseBranch",e,t,n),a=I("cond",e,t,n),o=I("args",e,t,n);return(await a.data())[0]?n.functionMap[r].executeFunctionAsync(o,n.tensorArrayMap,n.tensorListMap):n.functionMap[s].executeFunctionAsync(o,n.tensorArrayMap,n.tensorListMap)}case"While":case"StatelessWhile":{let r=I("body",e,t,n),s=I("cond",e,t,n),a=I("args",e,t,n),o=await n.functionMap[s].executeFunctionAsync(a,n.tensorArrayMap,n.tensorListMap),i=a.map(l=>l.id),u=await o[0].data();o.forEach(l=>{!l.kept&&i.indexOf(l.id)===-1&&l.dispose()});let c=a;for(;u[0];){let l=c;c=await n.functionMap[r].executeFunctionAsync(c,n.tensorArrayMap,n.tensorListMap);let p=c.map(h=>h.id);l.forEach(h=>{!h.kept&&i.indexOf(h.id)===-1&&p.indexOf(h.id)===-1&&h.dispose()});let d=await n.functionMap[s].executeFunctionAsync(c,n.tensorArrayMap,n.tensorListMap);u=await d[0].data(),d.forEach(h=>{!h.kept&&i.indexOf(h.id)===-1&&p.indexOf(h.id)===-1&&h.dispose()})}return c}case"LoopCond":{let r=I("pred",e,t,n);return[Ts(r)]}case"Switch":{let r=I("pred",e,t,n),s=I("data",e,t,n);return s.kept||(s=Ts(s)),(await r.data())[0]?[void 0,s]:[s,void 0]}case"Merge":{let r=e.inputNames.find(s=>dn(s,t,n)!==void 0);if(r){let s=dn(r,t,n);return[Ts(s)]}return}case"Enter":{let r=I("frameName",e,t,n),s=I("tensor",e,t,n);return n.enterFrame(r),[Ts(s)]}case"Exit":{let r=I("tensor",e,t,n);return n.exitFrame(),[Ts(r)]}case"NextIteration":{let r=I("tensor",e,t,n);return n.nextIteration(),[Ts(r)]}case"TensorArrayV3":{let r=I("size",e,t,n),s=I("dtype",e,t,n),a=I("elementShape",e,t,n),o=I("dynamicSize",e,t,n),i=I("clearAfterRead",e,t,n),u=I("identicalElementShapes",e,t,n),c=I("name",e,t,n),l=new X5(c,s,r,a,u,o,i);return n.addTensorArray(l),[l.idTensor,xe(1)]}case"TensorArrayWriteV3":{let r=I("tensorArrayId",e,t,n),s=I("index",e,t,n),a=I("tensor",e,t,n),o=n.getTensorArray(r.id);return o.write(s,a),[o.idTensor]}case"TensorArrayReadV3":{let r=I("tensorArrayId",e,t,n),s=I("index",e,t,n);return[n.getTensorArray(r.id).read(s)]}case"TensorArrayGatherV3":{let r=I("tensorArrayId",e,t,n),s=I("indices",e,t,n),a=I("dtype",e,t,n);return[n.getTensorArray(r.id).gather(s,a)]}case"TensorArrayScatterV3":{let r=I("tensorArrayId",e,t,n),s=I("indices",e,t,n),a=I("tensor",e,t,n),o=n.getTensorArray(r.id);return o.scatter(s,a),[o.idTensor]}case"TensorArrayConcatV3":{let r=I("tensorArrayId",e,t,n),s=n.getTensorArray(r.id),a=I("dtype",e,t,n);return[s.concat(a)]}case"TensorArraySplitV3":{let r=I("tensorArrayId",e,t,n),s=I("tensor",e,t,n),a=I("lengths",e,t,n),o=n.getTensorArray(r.id);return o.split(a,s),[o.idTensor]}case"TensorArraySizeV3":{let r=I("tensorArrayId",e,t,n),s=n.getTensorArray(r.id);return[xe(s.size(),"int32")]}case"TensorArrayCloseV3":{let r=I("tensorArrayId",e,t,n),s=n.getTensorArray(r.id);return s.clearAndClose(),[s.idTensor]}case"TensorListSetItem":{let r=I("tensorListId",e,t,n),s=I("index",e,t,n),a=I("tensor",e,t,n),o=n.getTensorList(r.id);return o.setItem(s,a),[o.idTensor]}case"TensorListGetItem":{let r=I("tensorListId",e,t,n),s=I("index",e,t,n),a=I("elementShape",e,t,n),o=I("elementDType",e,t,n);return[n.getTensorList(r.id).getItem(s,a,o)]}case"TensorListScatterV2":case"TensorListScatter":{let r=I("indices",e,t,n),s=I("tensor",e,t,n),a=I("elementShape",e,t,n),o=I("numElements",e,t,n),i=J5(s,r,a,o);return n.addTensorList(i),[i.idTensor]}case"TensorListReserve":case"EmptyTensorList":{let r=I("elementShape",e,t,n),s=I("elementDType",e,t,n),a;e.op==="TensorListReserve"?a="numElements":a="maxNumElements";let o=I(a,e,t,n),i=e.op==="TensorListReserve"?-1:o,u=Z5(r,s,o,i);return n.addTensorList(u),[u.idTensor]}case"TensorListGather":{let r=I("tensorListId",e,t,n),s=I("indices",e,t,n),a=I("elementShape",e,t,n),o=I("element
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=== === === === === === === === === =
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Hi , looks like you are running TensorFlow . js in Node . js . To speed things up dramatically , install our node backend , visit https : //github.com/tensorflow/tfjs-node for more details.
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=== === === === === === === === === = ` ));let s={id:this.nextDataId()};return this.data.set(s,{values:t,dtype:r,refCount:1}),s}makeTensorInfo(t,n,r){let s;if(n==="string"&&r!=null&&r.length>0&&w.isString(r[0])){let a=r.map(o=>w.encodeString(o));s=this.write(a,t,n)}else s=this.write(r,t,n);return{dataId:s,shape:t,dtype:n}}refCount(t){return this.data.has(t)?this.data.get(t).refCount:0}incRef(t){let n=this.data.get(t);n.refCount++}decRef(t){if(this.data.has(t)){let n=this.data.get(t);n.refCount--}}move(t,n,r,s,a){this.data.set(t,{values:n,dtype:s,refCount:a})}numDataIds(){return this.data.numDataIds()}async read(t){return this.readSync(t)}readSync(t){let{dtype:n,complexTensorInfos:r}=this.data.get(t);if(n==="complex64"){let s=this.readSync(r.real.dataId),a=this.readSync(r.imag.dataId);return T.mergeRealAndImagArrays(s,a)}return w.convertBackendValuesAndArrayBuffer(this.data.get(t).values,n)}bufferSync(t){let n=this.readSync(t.dataId);if(t.dtype==="string")try{let r=n.map(s=>w.decodeString(s));return Me(t.shape,t.dtype,r)}catch(r){throw new Error("Failed to decode encoded string bytes into utf-8")}return Me(t.shape,t.dtype,n)}makeOutput(t,n,r){return Er().makeTensorFromTensorInfo(this.makeTensorInfo(n,r,t),this)}disposeData(t,n=!1){if(this.data.has(t)){if(this.data.get(t).refCount--,!n&&this.data.get(t).refCount>0)return!1;let{complexTensorInfos:r}=this.data.get(t);r!=null&&(this.disposeData(r.real.dataId,!0),this.disposeData(r.imag.dataId,!0)),this.data.delete(t)}return!0}disposeIntermediateTensorInfo(t){this.disposeData(t.dataId)}async time(t){let n=w.now();return t(),{kernelMs:w.now()-n}}memory(){return{unreliable:!0,reasons:["The reported memory is an upper bound. Due to automatic garbage collection, the true allocated memory may be less."]}}where(t){be([t],"where");let n=this.readSync(t.dataId);return I8(t.shape,n)}dispose(){}floatPrecision(){return 32}epsilon(){return super.epsilon()}};Vk.nextDataId=0;var Uk={};Ee(Uk,{addImpl:()=>Q_,bincountImpl:()=>Hk,bincountReduceImpl:()=>eE,bitwiseAndImpl:()=>tE,castImpl:()=>J_,ceilImpl:()=>nE,concatImpl:()=>jk,equalImpl:()=>rE,expImpl:()=>aE,expm1Impl:()=>iE,floorDivImpl:()=>cE,floorImpl:()=>uE,gatherNdImpl:()=>lE,gatherV2Impl:()=>dE,greaterEqualImpl:()=>hE,greaterImpl:()=>pE,lessEqualImpl:()=>mE,lessImpl:()=>fE,linSpaceImpl:()=>gE,logImpl:()=>bE,maxImpl:()=>yE,maximumImpl:()=>vE,minimumImpl:()=>xE,multiplyImpl:()=>qk,negImpl:()=>wE,notEqualImpl:()=>IE,prodImpl:()=>kE,raggedGatherImpl:()=>SE,raggedRangeImpl:()=>CE,raggedTensorToTensorImpl:()=>TE,rangeImpl:()=>Xk,rsqrtImpl:()=>NE,scatterImpl:()=>so,sigmoidImpl:()=>wK,simpleAbsImpl:()=>Z_,sliceImpl:()=>Cf,sparseFillEmptyRowsImpl:()=>EE,sparseReshapeImpl:()=>AE,sparseSegmentReductionImpl:()=>Yk,sqrtImpl:()=>SK,squaredDifferenceImpl:()=>DE,staticRegexReplaceImpl:()=> $ E,stridedSliceImpl:()=>FE,stringNGramsImpl:()=>Zk,stringSplitImpl:()=>Jk,stringToHashBucketFastImpl:()=>Qk,subImpl:()=>RE,tileImpl:()=>PE,topKImpl:()=>ME,transposeImpl:()=>Kk,uniqueImpl:()=>t0});function Z_(e){let t=new Float32Array(e.length);for(let n=0;n<e.length;++n)t[n]=Math.abs(e[n]);return t}var k8=e=>{let{x:t}=e.inputs,n=e.backend;be(t,"abs");let r=new Float32Array(w.sizeFromShape(t.shape)),s=n.data.get(t.dataId).values;return r=Z_(s),n.makeOutput(r,t.shape,t.dtype)},S8={kernelName:cc,backendName:"cpu",kernelFunc:k8};function Ot(e){return(t,n,r,s,a)=>{let o=T.assertAndGetBroadcastShape(t,n),i=o.length,u=w.computeStrides(o),c=w.sizeFromShape(o),l=w.getTypedArrayFromDType(a,c),p=t.length,d=n.length,h=w.computeStrides(t),f=w.computeStrides(n),g=T.getBroadcastDims(t,o),m=T.getBroadcastDims(n,o);if(g.length+m.length===0)for(let b=0;b<l.length;++b)l[b]=e(r[b%r.length],s[b%s.length]);else for(let b=0;b<l.length;++b){let y=w.indexToLoc(b,i,u),v=y.slice(-p);g.forEach(N=>v[N]=0);let x=w.locToIndex(v,p,h),k=y.slice(-d);m.forEach(N=>k[N]=0);let S=w.locToIndex(k,d,f);l[b]=e(r[x],s[S])}return[l,o]}}function Qn(e){let{inputs:t,backend:n}=e,{real:r,imag:s}=t,a=n.data.get(r.dataId).values,o=n.data.get(s.dataId).values,i=n.makeTensorInfo(r.shape,"complex64"),u=n.data.get(i.dataId);return u.
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$ { s . shape } ` );if(a.shape.length!==1)throw new Error( ` Segment ids should be a vector but received shape
$ { a . shape } ` );if(s.shape[0]!==a.shape[0])throw new Error("segmentIds and indices should have same size.");let o=n.data.get(r.dataId).values,i=n.data.get(s.dataId).values,u=n.data.get(a.dataId).values,[c,l]=Yk(o,r.shape,r.dtype,i,u,!0);return n.makeTensorInfo(l,r.dtype,c)}var lZ={kernelName:Zd,backendName:"cpu",kernelFunc:cZ};function dZ(e){let{inputs:t,backend:n}=e,{data:r,indices:s,segmentIds:a}=t;if(r.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(s.shape.length!==1)throw new Error( ` Indices should be a vector but received shape
$ { s . shape } ` );if(a.shape.length!==1)throw new Error( ` Segment ids should be a vector but received shape
$ { a . shape } ` );if(s.shape[0]!==a.shape[0])throw new Error("segmentIds and indices should have same size.");let o=n.data.get(r.dataId).values,i=n.data.get(s.dataId).values,u=n.data.get(a.dataId).values,[c,l]=Yk(o,r.shape,r.dtype,i,u);return n.makeTensorInfo(l,r.dtype,c)}var pZ={kernelName:Jd,backendName:"cpu",kernelFunc:dZ};function hZ(e){let{inputs:t,backend:n,attrs:r}=e,{sparseIndices:s,sparseValues:a,defaultValue:o}=t,{outputShape:i}=r,{sliceRank:u,numUpdates:c,sliceSize:l,strides:p,outputSize:d}=T.calculateShapes(a,s,i),h=!1,f=n.bufferSync(s),g;switch(a.dtype){case"bool":{let m=n.bufferSync(a),b=!!n.data.get(o.dataId).values[0];g=so(f,m,i,d,l,c,u,p,b,h);break}case"float32":{let m=n.bufferSync(a),b=n.data.get(o.dataId).values[0];g=so(f,m,i,d,l,c,u,p,b,h);break}case"int32":{let m=n.bufferSync(a),b=n.data.get(o.dataId).values[0];g=so(f,m,i,d,l,c,u,p,b,h);break}case"string":{let m=n.bufferSync(a),b=w.decodeString(n.data.get(o.dataId).values[0]);g=so(f,m,i,d,l,c,u,p,b,h);break}default:throw new Error( ` Unsupported type $ { a . dtype } ` )}return n.makeTensorInfo(i,g.dtype,g.values)}var fZ={kernelName:sl,backendName:"cpu",kernelFunc:hZ};function mZ(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{numOrSizeSplits:a,axis:o}=r,i=w.parseAxisParam(o,s.shape)[0],u=T.prepareSplitSize(s,a,i),c=new Array(s.shape.length).fill(0),l=s.shape.slice();return u.map(p=>{let d=[...l];d[i]=p;let h=ko({inputs:{x:s},backend:n,attrs:{begin:c,size:d}});return c[i]+=p,h})}var gZ={kernelName:nl,backendName:"cpu",kernelFunc:mZ},bZ={kernelName:Qd,backendName:"cpu",kernelFunc:({inputs:e,backend:t})=>{let{x:n}=e,r=t;be(n,"square");let s=r.data.get(n.dataId).values,a=new Float32Array(s.length);for(let i=0;i<s.length;++i){let u=s[i];a[i]=u*u}return{dataId:r.write(a,n.shape,n.dtype),shape:n.shape,dtype:n.dtype}}},yZ=ct(Na,(e,t)=>{let n=t;return isNaN(e)?NaN:e>0?1:n.alpha}),vZ={kernelName:Na,backendName:"cpu",kernelFunc:yZ};function xZ(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{begin:a,end:o,strides:i,beginMask:u,endMask:c,ellipsisMask:l,newAxisMask:p,shrinkAxisMask:d}=r;be(s,"stridedSlice");let{finalShapeSparse:h,finalShape:f,isIdentity:g,sliceDim0:m,isSimpleSlice:b,begin:y,end:v,strides:x}=Kt.sliceInfo(s.shape,a,o,i,u,c,l,p,d),k;if(g)k=yt({inputs:{x:s},backend:n,attrs:{shape:f}});else if(m||b){w.assert(s.shape.length>=1,()=> ` Input must have rank at least 1 , got : $ { s . shape . length } ` );let S=Kt.computeOutShape(y,v,x),N=ko({inputs:{x:s},backend:n,attrs:{begin:y,size:S}});k=yt({inputs:{x:N},backend:n,attrs:{shape:f}}),n.disposeIntermediateTensorInfo(N)}else{let S=n.bufferSync(s),N=FE(h,S,x,y);k=n.makeTensorInfo(f,N.dtype,N.values)}return k}var wZ={kernelName:al,backendName:"cpu",kernelFunc:xZ};function IZ(e){let{inputs:t,backend:n,attrs:r}=e,{separator:s,nGramWidths:a,leftPad:o,rightPad:i,padWidth:u,preserveShortSequences:c}=r,{data:l,dataSplits:p}=t,d=n.data.get(l.dataId).values,h=n.data.get(p.dataId).values,[f,g]=Zk(d,h,s,a,o,i,u,c);return[n.makeTensorInfo([f.length],"string",f),n.makeTensorInfo(p.shape,"int32",g)]}var kZ={kernelName:tp,backendName:"cpu",kernelFunc:IZ};function SZ(e){let{inputs:t,backend:n,attrs:r}=e,{skipEmpty:s}=r,{input:a,delimiter:o}=t;if(a.dtype!=="string")throw new Error("Input must be of datatype string");if(a.shape.length!==1)throw new Error( ` Input must be a vector , got shape : $ { a . shape } ` );if(o.shape.length!==0)throw new Error( ` Delimiter must be a scalar , got shape : $ { o . shape } ` );let i=n.data.get(a.dataId).values,u=n.data.get(o.dataId).values[0],[c,l,p]=Jk(i,u,s),d=l.length;return[n.makeTensorInfo([d,2],"int32",c),n.makeTensorInfo([d],"string",l),n.makeTensorInfo([2],"int32",new Int32Array(p))]}var CZ={kernelName:np,backendName:"cpu",kernelFunc:SZ};function TZ(e){let{inputs:t,backend:n,attrs:r}=e,{numBuckets:s}=r,{input:a}=t;if(a.dtype!=="string")throw new Error("Input must be of datatype string");if(s<=0)throw new Error("Number of buckets must be at least 1");let o=n.data.get(a.dataId).values,i=Qk(o,s);return n.makeTensorInfo(a.shape,"int32",i)}var NZ={kernelName:rp,backendName:"cpu",kernelFunc:TZ},_Z=ct(Hi,e=>Math.tan(e)),EZ={kernel
` ),a=s.length.toString().length+2,o=s.map((p,d)=>w.rightPad((d+1).toString(),a)+p),i=0;for(let p=0;p<o.length;p++)i=Math.max(o[p].length,i);let u=o.slice(0,r-1),c=o.slice(r-1,r),l=o.slice(r);console.log(u.join( `
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` )),console.log(t.split( `
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` )[0]),console.log( ` % c $ { w . rightPad ( c [ 0 ] , i ) } ` ,"border:1px solid red; background-color:#e3d2d2; color:#a61717"),console.log(l.join( `
` ))}function oA(e){return Ls(e,()=>e.createProgram(),"Unable to create WebGLProgram.")}function iA(e,t){if(he(e,()=>e.linkProgram(t)),!G().get("ENGINE_COMPILE_ONLY")&&e.getProgramParameter(t,e.LINK_STATUS)===!1)throw console.log(e.getProgramInfoLog(t)),new Error("Failed to link vertex and fragment shaders.")}function Zh(e,t){if(he(e,()=>e.validateProgram(t)),e.getProgramParameter(t,e.VALIDATE_STATUS)===!1)throw console.log(e.getProgramInfoLog(t)),new Error("Shader program validation failed.")}function uA(e,t){let n=Ls(e,()=>e.createBuffer(),"Unable to create WebGLBuffer");return he(e,()=>e.bindBuffer(e.ARRAY_BUFFER,n)),he(e,()=>e.bufferData(e.ARRAY_BUFFER,t,e.STATIC_DRAW)),n}function cA(e,t){let n=Ls(e,()=>e.createBuffer(),"Unable to create WebGLBuffer");return he(e,()=>e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,n)),he(e,()=>e.bufferData(e.ELEMENT_ARRAY_BUFFER,t,e.STATIC_DRAW)),n}function iJ(){return G().getNumber("WEBGL_VERSION")===2?1:4}function lA(e){return Ls(e,()=>e.createTexture(),"Unable to create WebGLTexture.")}function dA(e,t){let n=G().getNumber("WEBGL_MAX_TEXTURE_SIZE");if(e<=0||t<=0){let r= ` [ $ { e } x$ { t } ] ` ;throw new Error("Requested texture size "+r+" is invalid.")}if(e>n||t>n){let r= ` [ $ { e } x$ { t } ] ` ,s= ` [ $ { n } x$ { n } ] ` ;throw new Error("Requested texture size "+r+" greater than WebGL maximum on this browser / GPU "+s+".")}}function pA(e){return Ls(e,()=>e.createFramebuffer(),"Unable to create WebGLFramebuffer.")}function bx(e,t,n,r,s,a,o){let i=e.getAttribLocation(t,n);return i===-1?!1:(he(e,()=>e.bindBuffer(e.ARRAY_BUFFER,r)),he(e,()=>e.vertexAttribPointer(i,s,e.FLOAT,!1,a,o)),he(e,()=>e.enableVertexAttribArray(i)),!0)}function hA(e,t,n){yA(e,n),he(e,()=>e.activeTexture(e.TEXTURE0+n)),he(e,()=>e.bindTexture(e.TEXTURE_2D,t))}function uJ(e,t){yA(e,t),he(e,()=>e.activeTexture(e.TEXTURE0+t)),he(e,()=>e.bindTexture(e.TEXTURE_2D,null))}function fA(e,t,n){return Ls(e,()=>e.getUniformLocation(t,n),'uniform "'+n+'" not present in program.')}function mA(e,t,n){return e.getUniformLocation(t,n)}function gA(e,t,n,r){he(e,()=>hA(e,t,r)),he(e,()=>e.uniform1i(n,r))}function cJ(e){he(e,()=>e.bindFramebuffer(e.FRAMEBUFFER,null)),he(e,()=>e.viewport(0,0,e.canvas.width,e.canvas.height)),he(e,()=>e.scissor(0,0,e.canvas.width,e.canvas.height))}function Jh(e,t,n){he(e,()=>e.bindFramebuffer(e.FRAMEBUFFER,n)),he(e,()=>e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t,0))}function yx(e,t){he(e,()=>e.bindFramebuffer(e.FRAMEBUFFER,t)),he(e,()=>e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,null,0))}function dd(e){let t=e.checkFramebufferStatus(e.FRAMEBUFFER);if(t!==e.FRAMEBUFFER_COMPLETE)throw new Error("Error binding framebuffer: "+bA(e,t))}function bA(e,t){switch(t){case e.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:return"FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case e.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:return"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case e.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:return"FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case e.FRAMEBUFFER_UNSUPPORTED:return"FRAMEBUFFER_UNSUPPORTED";default:return ` unknown error $ { t } ` }}function Ls(e,t,n){let r=he(e,()=>t());if(r==null)throw new Error(n);return r}function yA(e,t){let n=e.MAX_COMBINED_TEXTURE_IMAGE_UNITS-1,r=t+e.TEXTURE0;if(r<e.TEXTURE0||r>n){let s= ` [ gl . TEXTURE0 , gl . TEXTURE$ { n } ] ` ;throw new Error( ` textureUnit must be in $ { s } . ` )}}function So(e,t=2){return w.sizeFromShape(e.slice(0,e.length-t))}function Co(e){if(e.length===0)throw Error("Cannot get rows and columns of an empty shape array.");return[e.length>1?e[e.length-2]:1,e[e.length-1]]}function pd(e){let t=[1,1,1];return e.length===0||e.length===1&&e[0]===1||(t=[So(e),...Co(e)]),t}function vA(e,t=!1){let n=G().getNumber("WEBGL_MAX_TEXTURE_SIZE"),r=G().getNumber("WEBGL_MAX_SIZE_FOR_NARROW_TEXTURE");r===1/0&&G().getBool("WEBGL_AUTO_SQUARIFY_NARROW_TEXTURE_SHAPE")&&(r=n/2),t&&(n=n*2,r=r*2,e=e.map((i,u)=>u>=e.length-2?w.nearestLargerEven(e[u]):e[u]),e.length===1&&(e=[2,e[0]])),e.length!==2&&(e=w.squeezeShape(e).newShape);let s=w.sizeFromShape(e),a=null;e.length<=1&&s<=n?a=[1,s]:e.length===2&&e[0]<=n&&e[1]
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bool isnan _custom ( float val ) {
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uint floatToUint = floatBitsToUint ( val ) ;
return ( floatToUint & 0x7fffffff u ) > 0x7f800000 u ;
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}
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bvec4 isnan _custom ( vec4 val ) {
return bvec4 ( isnan _custom ( val . x ) ,
isnan _custom ( val . y ) , isnan _custom ( val . z ) , isnan _custom ( val . w ) ) ;
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}
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# define isnan ( value ) isnan _custom ( value )
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` :"",u="",c= `
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# define round ( value ) newRound ( value )
int newRound ( float value ) {
return int ( floor ( value + 0.5 ) ) ;
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}
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ivec4 newRound ( vec4 value ) {
return ivec4 ( floor ( value + vec4 ( 0.5 ) ) ) ;
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}
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` ):(e="",t="attribute",n="varying",r="varying",s="texture2D",a="gl_FragColor",o="",i= `
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# define isnan ( value ) isnan _custom ( value )
bool isnan _custom ( float val ) {
return ( val > 0. || val < 1. || val == 0. ) ? false : true ;
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}
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bvec4 isnan _custom ( vec4 val ) {
return bvec4 ( isnan ( val . x ) , isnan ( val . y ) , isnan ( val . z ) , isnan ( val . w ) ) ;
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}
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` ,u= `
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uniform float INFINITY ;
bool isinf ( float val ) {
return abs ( val ) == INFINITY ;
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}
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bvec4 isinf ( vec4 val ) {
return equal ( abs ( val ) , vec4 ( INFINITY ) ) ;
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}
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` ,c= `
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int round ( float value ) {
return int ( floor ( value + 0.5 ) ) ;
}
ivec4 round ( vec4 value ) {
return ivec4 ( floor ( value + vec4 ( 0.5 ) ) ) ;
}
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` ),{version:e,attribute:t,varyingVs:n,varyingFs:r,texture2D:s,output:a,defineOutput:o,defineSpecialNaN:i,defineSpecialInf:u,defineRound:c}}function eu(e,t,n="index"){let r=w.computeStrides(t);return r.map((s,a)=>{let o= ` int $ { e [ a ] } = $ { n } / $ { s } ` ,i=a===r.length-1? ` int $ { e [ a + 1 ] } = $ { n } - $ { e [ a ] } * $ { s } ` : ` index -= $ { e [ a ] } * $ { s } ` ;return ` $ { o } ; $ { i } ; ` }).join("")}function eg(e,t,n="index"){let r=w.computeStrides(t);return r.map((s,a)=>{let o= ` int $ { e [ a ] } = $ { n } / outShapeStrides [ $ { a } ] ` ,i=a===r.length-1? ` int $ { e [ a + 1 ] } = $ { n } - $ { e [ a ] } * outShapeStrides [ $ { a } ] ` : ` index -= $ { e [ a ] } * outShapeStrides [ $ { a } ] ` ;return ` $ { o } ; $ { i } ; ` }).join("")}function hJ(e,t){let n=e.length,r=e.map(a=> ` $ { t } [ $ { a } ] ` ),s=new Array(n-1);s[n-2]=r[n-1];for(let a=n-3;a>=0;--a)s[a]= ` ( $ { s [ a + 1 ] } * $ { r [ a + 1 ] } ) ` ;return s}function fJ(e,t,n="index"){let r=e.map((a,o)=>o),s=hJ(r,t);return s.map((a,o)=>{let i= ` int $ { e [ o ] } = $ { n } / $ { s [ o ] } ` ,u=o===s.length-1? ` int $ { e [ o + 1 ] } = $ { n } - $ { e [ o ] } * $ { s [ o ] } ` : ` index -= $ { e [ o ] } * $ { s [ o ] } ` ;return ` $ { i } ; $ { u } ; ` }).join("")}function i0(e){let t=w.computeStrides(e).map(n=>n.toString());return `
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int getFlatIndex ( ivec3 coords ) {
return coords . x * $ { t [ 0 ] } + coords . y * $ { t [ 1 ] } + coords . z ;
}
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` }function u0(){return `
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int getFlatIndex ( ivec3 coords ) {
return coords . x * outShapeStrides [ 0 ] + coords . y * outShapeStrides [ 1 ] + coords . z ;
}
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` }var TA= `
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const float FLOAT _MAX = 1.70141184 e38 ;
const float FLOAT _MIN = 1.17549435 e - 38 ;
lowp vec4 encode _float ( highp float v ) {
if ( isnan ( v ) ) {
return vec4 ( 255 , 255 , 255 , 255 ) ;
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}
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highp float av = abs ( v ) ;
if ( av < FLOAT _MIN ) {
return vec4 ( 0.0 , 0.0 , 0.0 , 0.0 ) ;
} else if ( v > FLOAT _MAX ) {
return vec4 ( 0.0 , 0.0 , 128.0 , 127.0 ) / 255.0 ;
} else if ( v < - FLOAT _MAX ) {
return vec4 ( 0.0 , 0.0 , 128.0 , 255.0 ) / 255.0 ;
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}
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highp vec4 c = vec4 ( 0 , 0 , 0 , 0 ) ;
highp float e = floor ( log2 ( av ) ) ;
highp float m = exp2 ( fract ( log2 ( av ) ) ) - 1.0 ;
c [ 2 ] = floor ( 128.0 * m ) ;
m -= c [ 2 ] / 128.0 ;
c [ 1 ] = floor ( 32768.0 * m ) ;
m -= c [ 1 ] / 32768.0 ;
c [ 0 ] = floor ( 8388608.0 * m ) ;
highp float ebias = e + 127.0 ;
c [ 3 ] = floor ( ebias / 2.0 ) ;
ebias -= c [ 3 ] * 2.0 ;
c [ 2 ] += floor ( ebias ) * 128.0 ;
c [ 3 ] += 128.0 * step ( 0.0 , - v ) ;
return c / 255.0 ;
}
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` ,{getBroadcastDims:NA}=T;function mJ(e,t,n){let r=[];if(e.forEach(h=>{let f=w.sizeFromShape(h.shapeInfo.logicalShape);if(h.shapeInfo.isUniform?r.push( ` uniform float $ { h . name } $ { f > 1 ? ` [ ${ f } ] ` : "" } ; ` ):(r.push( ` uniform sampler2D $ { h . name } ; ` ),r.push( ` uniform int offset$ { h . name } ; ` )),n.enableShapeUniforms){let{uniformShape:g}=c0(n.packedInputs,h.shapeInfo.logicalShape,h.shapeInfo.texShape);switch(g.length){case 1:r.push( ` uniform int $ { h . name } Shape ; ` );break;case 2:r.push( ` uniform ivec2 $ { h . name } Shape ; ` );break;case 3:r.push( ` uniform ivec3 $ { h . name } Shape ; ` );break;case 4:r.push( ` uniform ivec4 $ { h . name } Shape ; ` );break;default:break}r.push( ` uniform ivec2 $ { h . name } TexShape ; ` )}}),n.enableShapeUniforms){switch(t.logicalShape.length){case 1:r.push("uniform int outShape;");break;case 2:r.push("uniform ivec2 outShape;"),r.push("uniform int outShapeStrides;");break;case 3:r.push("uniform ivec3 outShape;"),r.push("uniform ivec2 outShapeStrides;");break;case 4:r.push("uniform ivec4 outShape;"),r.push("uniform ivec3 outShapeStrides;");break;default:break}r.push("uniform ivec2 outTexShape;")}n.customUniforms&&n.customUniforms.forEach(h=>{r.push( ` uniform $ { h . type } $ { h . name } $ { h . arrayIndex ? ` [ ${ h . arrayIndex } ] ` : "" } ; ` )});let s=r.join( `
` ),a=e.map(h=>gJ(h,t,n.packedInputs,n.enableShapeUniforms)).join( `
` ),o=t.texShape,i=An(),u=vJ(i),c,l,p=IJ(i);return t.isPacked?(c=bJ(t.logicalShape,o,n.enableShapeUniforms),l=wJ(i)):(c=yJ(t.logicalShape,o,n.enableShapeUniforms),l=xJ(i)),n.packedInputs&&(p+=TJ),[p,u,l,s,c,a,n.userCode].join( `
` )}function Il(e,t=!1){let n=e.shapeInfo.logicalShape;switch(n.length){case 0:return LJ(e,t);case 1:return zJ(e,t);case 2:return VJ(e,t);case 3:return GJ(e,t);case 4:return jJ(e,t);case 5:return qJ(e);case 6:return KJ(e);default:throw new Error( ` $ { n . length } - D input sampling is not yet supported ` )}}function _A(e,t){switch(e.shapeInfo.logicalShape.length){case 0:return MJ(e);case 1:return BJ(e,t);case 2:return WJ(e,t);case 3:return UJ(e,t);default:return HJ(e,t)}}function gJ(e,t,n=!1,r){let s="";n?s+=_A(e,r):s+=Il(e,r);let a=e.shapeInfo.logicalShape,o=t.logicalShape;return a.length<=o.length&&(n?s+=XJ(e,t):s+=YJ(e,t)),s}function bJ(e,t,n){switch(e.length){case 0:return EA();case 1:return NJ(e,t,n);case 2:return PJ(e,t,n);case 3:return EJ(e,t,n);default:return DJ(e,t,n)}}function yJ(e,t,n){switch(e.length){case 0:return EA();case 1:return _J(e,t,n);case 2:return OJ(e,t,n);case 3:return AJ(e,t,n);case 4:return $ J(e,t,n);case 5:return FJ(e,t);case 6:return RJ(e,t);default:throw new Error( ` $ { e . length } - D output sampling is not yet supported ` )}}function vJ(e){return `
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float sampleTexture ( sampler2D textureSampler , vec2 uv ) {
return $ { e . texture2D } ( textureSampler , uv ) . r ;
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}
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` }function xJ(e){return `
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void setOutput ( float val ) {
$ { e . output } = vec4 ( val , 0 , 0 , 0 ) ;
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}
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` }function wJ(e){return `
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void setOutput ( vec4 val ) {
$ { e . output } = val ;
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}
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` }function IJ(e){return ` $ { e . version }
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precision highp float ;
precision highp int ;
precision highp sampler2D ;
$ { e . varyingFs } vec2 resultUV ;
$ { e . defineOutput }
const vec2 halfCR = vec2 ( 0.5 , 0.5 ) ;
struct ivec5
{
int x ;
int y ;
int z ;
int w ;
int u ;
} ;
struct ivec6
{
int x ;
int y ;
int z ;
int w ;
int u ;
int v ;
} ;
uniform float NAN ;
$ { e . defineSpecialNaN }
$ { e . defineSpecialInf }
$ { e . defineRound }
int imod ( int x , int y ) {
return x - y * ( x / y ) ;
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}
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int idiv ( int a , int b , float sign ) {
int res = a / b ;
int mod = imod ( a , b ) ;
if ( sign < 0. && mod != 0 ) {
res -= 1 ;
}
return res ;
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}
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//Based on the work of Dave Hoskins
//https://www.shadertoy.com/view/4djSRW
# define HASHSCALE1 443.8975
float random ( float seed ) {
vec2 p = resultUV * seed ;
vec3 p3 = fract ( vec3 ( p . xyx ) * HASHSCALE1 ) ;
p3 += dot ( p3 , p3 . yzx + 19.19 ) ;
return fract ( ( p3 . x + p3 . y ) * p3 . z ) ;
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}
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$ { kJ }
$ { SJ }
$ { CJ }
` }var kJ= `
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vec2 uvFromFlat ( int texNumR , int texNumC , int index ) {
int texR = index / texNumC ;
int texC = index - texR * texNumC ;
return ( vec2 ( texC , texR ) + halfCR ) / vec2 ( texNumC , texNumR ) ;
}
vec2 packedUVfrom1D ( int texNumR , int texNumC , int index ) {
int texelIndex = index / 2 ;
int texR = texelIndex / texNumC ;
int texC = texelIndex - texR * texNumC ;
return ( vec2 ( texC , texR ) + halfCR ) / vec2 ( texNumC , texNumR ) ;
}
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` ,SJ= `
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vec2 packedUVfrom2D ( int texelsInLogicalRow , int texNumR ,
int texNumC , int row , int col ) {
int texelIndex = ( row / 2 ) * texelsInLogicalRow + ( col / 2 ) ;
int texR = texelIndex / texNumC ;
int texC = texelIndex - texR * texNumC ;
return ( vec2 ( texC , texR ) + halfCR ) / vec2 ( texNumC , texNumR ) ;
}
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` ,CJ= `
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vec2 packedUVfrom3D ( int texNumR , int texNumC ,
int texelsInBatch , int texelsInLogicalRow , int b ,
int row , int col ) {
int index = b * texelsInBatch + ( row / 2 ) * texelsInLogicalRow + ( col / 2 ) ;
int texR = index / texNumC ;
int texC = index - texR * texNumC ;
return ( vec2 ( texC , texR ) + halfCR ) / vec2 ( texNumC , texNumR ) ;
}
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` ,TJ= `
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float getChannel ( vec4 frag , vec2 innerDims ) {
vec2 modCoord = mod ( innerDims , 2. ) ;
return modCoord . x == 0. ?
( modCoord . y == 0. ? frag . r : frag . g ) :
( modCoord . y == 0. ? frag . b : frag . a ) ;
}
float getChannel ( vec4 frag , int dim ) {
float modCoord = mod ( float ( dim ) , 2. ) ;
return modCoord == 0. ? frag . r : frag . g ;
}
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` ;function EA(){return `
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int getOutputCoords ( ) {
return 0 ;
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}
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` }function NJ(e,t,n){let r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)];return r[0]===1?n? `
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int getOutputCoords ( ) {
return 2 * int ( resultUV . x * ceil ( float ( outTexShape [ 1 ] ) / 2.0 ) ) ;
}
` : `
int getOutputCoords ( ) {
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return 2 * int ( resultUV . x * $ { r [ 1 ] } . 0 ) ;
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}
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` :r[1]===1?n? `
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int getOutputCoords ( ) {
return 2 * int ( resultUV . y * ceil ( float ( outTexShape [ 0 ] ) / 2.0 ) ) ;
}
` : `
int getOutputCoords ( ) {
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return 2 * int ( resultUV . y * $ { r [ 0 ] } . 0 ) ;
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}
` :n? `
int getOutputCoords ( ) {
ivec2 packedTexShape = ivec2 ( ceil ( float ( outTexShape [ 0 ] ) / 2.0 ) , ceil ( float ( outTexShape [ 1 ] ) / 2.0 ) ) ;
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( packedTexShape [ 0 ] , packedTexShape [ 1 ] ) ) ;
return 2 * ( resTexRC . x * packedTexShape [ 1 ] + resTexRC . y ) ;
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}
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` : `
int getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
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vec2 ( $ { r [ 0 ] } , $ { r [ 1 ] } ) ) ;
return 2 * ( resTexRC . x * $ { r [ 1 ] } + resTexRC . y ) ;
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}
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` }function _J(e,t,n){return t[0]===1?n? `
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int getOutputCoords ( ) {
return int ( resultUV . x * float ( outTexShape [ 1 ] ) ) ;
}
` : `
int getOutputCoords ( ) {
return int ( resultUV . x * $ { t [ 1 ] } . 0 ) ;
}
` :t[1]===1?n? `
int getOutputCoords ( ) {
return int ( resultUV . y * float ( outTexShape [ 0 ] ) ) ;
}
` : `
int getOutputCoords ( ) {
return int ( resultUV . y * $ { t [ 0 ] } . 0 ) ;
}
` :n? `
int getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( outTexShape [ 0 ] , outTexShape [ 1 ] ) ) ;
return resTexRC . x * outTexShape [ 1 ] + resTexRC . y ;
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}
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` : `
int getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( $ { t [ 0 ] } , $ { t [ 1 ] } ) ) ;
return resTexRC . x * $ { t [ 1 ] } + resTexRC . y ;
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}
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` }function EJ(e,t,n){if(n)return `
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ivec3 getOutputCoords ( ) {
ivec2 packedTexShape = ivec2 ( ceil ( float ( outTexShape [ 0 ] ) / 2.0 ) , ceil ( float ( outTexShape [ 1 ] ) / 2.0 ) ) ;
int texelsInLogicalRow = int ( ceil ( float ( outShape [ 2 ] ) / 2.0 ) ) ;
int texelsInBatch = texelsInLogicalRow * int ( ceil ( float ( outShape [ 1 ] ) / 2.0 ) ) ;
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( packedTexShape [ 0 ] , packedTexShape [ 1 ] ) ) ;
int index = resTexRC . x * packedTexShape [ 1 ] + resTexRC . y ;
int b = index / texelsInBatch ;
index -= b * texelsInBatch ;
int r = 2 * ( index / texelsInLogicalRow ) ;
int c = imod ( index , texelsInLogicalRow ) * 2 ;
return ivec3 ( b , r , c ) ;
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}
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` ;let r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)],s=Math.ceil(e[2]/2),a=s*Math.ceil(e[1]/2);return `
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ivec3 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
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vec2 ( $ { r [ 0 ] } , $ { r [ 1 ] } ) ) ;
int index = resTexRC . x * $ { r [ 1 ] } + resTexRC . y ;
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int b = index / $ { a } ;
index -= b * $ { a } ;
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int r = 2 * ( index / $ { s } ) ;
int c = imod ( index , $ { s } ) * 2 ;
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return ivec3 ( b , r , c ) ;
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}
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` }function AJ(e,t,n){if(n)return `
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ivec3 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( outTexShape [ 0 ] , outTexShape [ 1 ] ) ) ;
int index = resTexRC . x * outTexShape [ 1 ] + resTexRC . y ;
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$ { eg ( [ "r" , "c" , "d" ] , e ) }
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return ivec3 ( r , c , d ) ;
}
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` ;let r=eu(["r","c","d"],e);return `
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ivec3 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( $ { t [ 0 ] } , $ { t [ 1 ] } ) ) ;
int index = resTexRC . x * $ { t [ 1 ] } + resTexRC . y ;
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$ { r }
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return ivec3 ( r , c , d ) ;
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}
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` }function DJ(e,t,n){if(n)return `
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ivec4 getOutputCoords ( ) {
ivec2 packedTexShape = ivec2 ( ceil ( float ( outTexShape [ 0 ] ) / 2.0 ) , ceil ( float ( outTexShape [ 1 ] ) / 2.0 ) ) ;
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( packedTexShape [ 0 ] , packedTexShape [ 1 ] ) ) ;
int index = resTexRC . x * packedTexShape [ 1 ] + resTexRC . y ;
int texelsInLogicalRow = int ( ceil ( float ( outShape [ 3 ] ) / 2.0 ) ) ;
int texelsInBatch = texelsInLogicalRow * int ( ceil ( float ( outShape [ 2 ] ) / 2.0 ) ) ;
int texelsInBatchN = texelsInBatch * outShape [ 1 ] ;
int b2 = index / texelsInBatchN ;
index -= b2 * texelsInBatchN ;
int b = index / texelsInBatch ;
index -= b * texelsInBatch ;
int r = 2 * ( index / texelsInLogicalRow ) ;
int c = imod ( index , texelsInLogicalRow ) * 2 ;
return ivec4 ( b2 , b , r , c ) ;
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}
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` ;let r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)],s=Math.ceil(e[e.length-1]/2),a=s*Math.ceil(e[e.length-2]/2),o=a,i="",u="b, r, c";for(let c=2;c<e.length-1;c++)o*=e[e.length-c-1],i= `
int b$ { c } = index / $ { o } ;
index -= b$ { c } * $ { o } ;
` +i,u= ` b$ { c } , ` +u;return `
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ivec$ { e . length } getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
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vec2 ( $ { r [ 0 ] } , $ { r [ 1 ] } ) ) ;
int index = resTexRC . x * $ { r [ 1 ] } + resTexRC . y ;
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$ { i }
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int b = index / $ { a } ;
index -= b * $ { a } ;
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int r = 2 * ( index / $ { s } ) ;
int c = imod ( index , $ { s } ) * 2 ;
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return ivec$ { e . length } ( $ { u } ) ;
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}
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` }function $ J(e,t,n){if(n)return `
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ivec4 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( outTexShape [ 0 ] , outTexShape [ 1 ] ) ) ;
int index = resTexRC . x * outTexShape [ 1 ] + resTexRC . y ;
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$ { eg ( [ "r" , "c" , "d" , "d2" ] , e ) }
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return ivec4 ( r , c , d , d2 ) ;
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}
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` ;let r=eu(["r","c","d","d2"],e);return `
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ivec4 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( $ { t [ 0 ] } , $ { t [ 1 ] } ) ) ;
int index = resTexRC . x * $ { t [ 1 ] } + resTexRC . y ;
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$ { r }
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return ivec4 ( r , c , d , d2 ) ;
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}
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` }function FJ(e,t){let n=eu(["r","c","d","d2","d3"],e);return `
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ivec5 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx * vec2 ( $ { t [ 0 ] } ,
$ { t [ 1 ] } ) ) ;
int index = resTexRC . x * $ { t [ 1 ] } + resTexRC . y ;
$ { n }
ivec5 outShape = ivec5 ( r , c , d , d2 , d3 ) ;
return outShape ;
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}
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` }function RJ(e,t){let n=eu(["r","c","d","d2","d3","d4"],e);return `
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ivec6 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( $ { t [ 0 ] } , $ { t [ 1 ] } ) ) ;
int index = resTexRC . x * $ { t [ 1 ] } + resTexRC . y ;
$ { n }
ivec6 result = ivec6 ( r , c , d , d2 , d3 , d4 ) ;
return result ;
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}
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` }function PJ(e,t,n){let r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)];if(w.arraysEqual(e,t))return n? `
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ivec2 getOutputCoords ( ) {
ivec2 packedTexShape = ivec2 ( ceil ( float ( outTexShape [ 0 ] ) / 2.0 ) , ceil ( float ( outTexShape [ 1 ] ) / 2.0 ) ) ;
return 2 * ivec2 ( resultUV . yx * vec2 ( packedTexShape [ 0 ] , packedTexShape [ 1 ] ) ) ;
}
` : `
ivec2 getOutputCoords ( ) {
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return 2 * ivec2 ( resultUV . yx * vec2 ( $ { r [ 0 ] } , $ { r [ 1 ] } ) ) ;
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}
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` ;let s=Math.ceil(e[1]/2);return n? `
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ivec2 getOutputCoords ( ) {
ivec2 packedTexShape = ivec2 ( ceil ( float ( outTexShape [ 0 ] ) / 2.0 ) , ceil ( float ( outTexShape [ 1 ] ) / 2.0 ) ) ;
int texelsInLogicalRow = int ( ceil ( float ( outShape [ 1 ] ) / 2.0 ) ) ;
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( packedTexShape [ 0 ] , packedTexShape [ 1 ] ) ) ;
int index = resTexRC . x * packedTexShape [ 1 ] + resTexRC . y ;
int r = 2 * ( index / texelsInLogicalRow ) ;
int c = imod ( index , texelsInLogicalRow ) * 2 ;
return ivec2 ( r , c ) ;
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}
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` : `
ivec2 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
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vec2 ( $ { r [ 0 ] } , $ { r [ 1 ] } ) ) ;
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int index = resTexRC . x * $ { r [ 1 ] } + resTexRC . y ;
int r = 2 * ( index / $ { s } ) ;
int c = imod ( index , $ { s } ) * 2 ;
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return ivec2 ( r , c ) ;
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}
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` }function OJ(e,t,n){return w.arraysEqual(e,t)?n? `
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ivec2 getOutputCoords ( ) {
return ivec2 ( resultUV . yx * vec2 ( outTexShape [ 0 ] , outTexShape [ 1 ] ) ) ;
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}
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` : `
ivec2 getOutputCoords ( ) {
return ivec2 ( resultUV . yx * vec2 ( $ { t [ 0 ] } , $ { t [ 1 ] } ) ) ;
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}
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` :e[1]===1?n? `
ivec2 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( outTexShape [ 0 ] , outTexShape [ 1 ] ) ) ;
int index = resTexRC . x * outTexShape [ 1 ] + resTexRC . y ;
return ivec2 ( index , 0 ) ;
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}
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` : `
ivec2 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( $ { t [ 0 ] } , $ { t [ 1 ] } ) ) ;
int index = resTexRC . x * $ { t [ 1 ] } + resTexRC . y ;
return ivec2 ( index , 0 ) ;
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}
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` :e[0]===1?n? `
ivec2 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( outTexShape [ 0 ] , outTexShape [ 1 ] ) ) ;
int index = resTexRC . x * outTexShape [ 1 ] + resTexRC . y ;
return ivec2 ( 0 , index ) ;
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}
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` : `
ivec2 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( $ { t [ 0 ] } , $ { t [ 1 ] } ) ) ;
int index = resTexRC . x * $ { t [ 1 ] } + resTexRC . y ;
return ivec2 ( 0 , index ) ;
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}
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` :n? `
ivec2 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( outTexShape [ 0 ] , outTexShape [ 1 ] ) ) ;
int index = resTexRC . x * outTexShape [ 1 ] + resTexRC . y ;
int r = index / outShape [ 1 ] ;
int c = index - r * outShape [ 1 ] ;
return ivec2 ( r , c ) ;
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}
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` : `
ivec2 getOutputCoords ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx *
vec2 ( $ { t [ 0 ] } , $ { t [ 1 ] } ) ) ;
int index = resTexRC . x * $ { t [ 1 ] } + resTexRC . y ;
int r = index / $ { e [ 1 ] } ;
int c = index - r * $ { e [ 1 ] } ;
return ivec2 ( r , c ) ;
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}
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` }function tu(e){return ` offset$ { e } ` }function MJ(e){let t=e.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),r=An();return `
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vec4 $ { n } ( ) {
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return $ { r . texture2D } ( $ { t } , halfCR ) ;
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}
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` }function LJ(e,t){let n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1);if(e.shapeInfo.isUniform)return ` float $ { r } ( ) { return $ { n } ; } ` ;let[s,a]=e.shapeInfo.texShape;if(s===1&&a===1)return `
float $ { r } ( ) {
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return sampleTexture ( $ { n } , halfCR ) ;
}
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` ;let o=tu(n);if(t)return `
float $ { r } ( ) {
vec2 uv = uvFromFlat ( $ { n } TexShape [ 0 ] , $ { n } TexShape [ 1 ] , $ { o } ) ;
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return sampleTexture ( $ { n } , uv ) ;
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}
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` ;let[i,u]=e.shapeInfo.texShape;return `
float $ { r } ( ) {
vec2 uv = uvFromFlat ( $ { i } , $ { u } , $ { o } ) ;
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return sampleTexture ( $ { n } , uv ) ;
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}
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` }function BJ(e,t){let n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),s=e.shapeInfo.texShape,a=An();if(t)return `
vec4 $ { r } ( int index ) {
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ivec2 packedTexShape = ivec2 ( ceil ( float ( $ { n } TexShape [ 0 ] ) / 2.0 ) , ceil ( float ( $ { n } TexShape [ 1 ] ) / 2.0 ) ) ;
vec2 uv = packedUVfrom1D (
packedTexShape [ 0 ] , packedTexShape [ 1 ] , index ) ;
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return $ { a . texture2D } ( $ { n } , uv ) ;
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}
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` ;let o=[Math.ceil(s[0]/2),Math.ceil(s[1]/2)];return `
vec4 $ { r } ( int index ) {
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vec2 uv = packedUVfrom1D (
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$ { o [ 0 ] } , $ { o [ 1 ] } , index ) ;
return $ { a . texture2D } ( $ { n } , uv ) ;
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}
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` }function zJ(e,t){let n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1);if(e.shapeInfo.isUniform)return `
float $ { r } ( int index ) {
$ { kl ( e ) }
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}
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` ;let s=e.shapeInfo.texShape,a=s[0],o=s[1];if(o===1&&a===1)return `
float $ { r } ( int index ) {
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return sampleTexture ( $ { n } , halfCR ) ;
}
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` ;let i=tu(n);return o===1?t? `
float $ { r } ( int index ) {
vec2 uv = vec2 ( 0.5 , ( float ( index + $ { i } ) + 0.5 ) / float ( $ { n } TexShape [ 0 ] ) ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
` : `
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float $ { r } ( int index ) {
vec2 uv = vec2 ( 0.5 , ( float ( index + $ { i } ) + 0.5 ) / $ { a } . 0 ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
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` :a===1?t? `
float $ { r } ( int index ) {
vec2 uv = vec2 ( ( float ( index + $ { i } ) + 0.5 ) / float ( $ { n } TexShape [ 1 ] ) , 0.5 ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
` : `
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float $ { r } ( int index ) {
vec2 uv = vec2 ( ( float ( index + $ { i } ) + 0.5 ) / $ { o } . 0 , 0.5 ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
` :t? `
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float $ { r } ( int index ) {
vec2 uv = uvFromFlat ( $ { n } TexShape [ 0 ] , $ { n } TexShape [ 1 ] , index + $ { i } ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
` : `
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float $ { r } ( int index ) {
vec2 uv = uvFromFlat ( $ { a } , $ { o } , index + $ { i } ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
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` }function WJ(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=e.shapeInfo.texShape,o=a[0],i=a[1],u=An();if(a!=null&&w.arraysEqual(n,a))return t? `
vec4 $ { s } ( int row , int col ) {
vec2 uv = ( vec2 ( col , row ) + halfCR ) / vec2 ( $ { r } TexShape [ 1 ] , $ { r } TexShape [ 0 ] ) ;
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return $ { u . texture2D } ( $ { r } , uv ) ;
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}
` : `
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vec4 $ { s } ( int row , int col ) {
vec2 uv = ( vec2 ( col , row ) + halfCR ) / vec2 ( $ { i } . 0 , $ { o } . 0 ) ;
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return $ { u . texture2D } ( $ { r } , uv ) ;
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}
` ;if(t)return `
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vec4 $ { s } ( int row , int col ) {
ivec2 packedTexShape = ivec2 ( ceil ( float ( $ { r } TexShape [ 0 ] ) / 2.0 ) , ceil ( float ( $ { r } TexShape [ 1 ] ) / 2.0 ) ) ;
int valuesPerRow = int ( ceil ( float ( $ { r } Shape [ 1 ] ) / 2.0 ) ) ;
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vec2 uv = packedUVfrom2D ( valuesPerRow , packedTexShape [ 0 ] , packedTexShape [ 1 ] , row , col ) ;
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return $ { u . texture2D } ( $ { r } , uv ) ;
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}
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` ;let c=[Math.ceil(a[0]/2),Math.ceil(a[1]/2)],l=Math.ceil(n[1]/2);return `
vec4 $ { s } ( int row , int col ) {
vec2 uv = packedUVfrom2D ( $ { l } , $ { c [ 0 ] } , $ { c [ 1 ] } , row , col ) ;
return $ { u . texture2D } ( $ { r } , uv ) ;
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}
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` }function VJ(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=e.shapeInfo.texShape;if(a!=null&&w.arraysEqual(n,a)){if(t)return `
float $ { s } ( int row , int col ) {
vec2 uv = ( vec2 ( col , row ) + halfCR ) / vec2 ( $ { r } TexShape [ 1 ] , $ { r } TexShape [ 0 ] ) ;
return sampleTexture ( $ { r } , uv ) ;
}
` ;let d=a[0],h=a[1];return `
float $ { s } ( int row , int col ) {
vec2 uv = ( vec2 ( col , row ) + halfCR ) / vec2 ( $ { h } . 0 , $ { d } . 0 ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` }let{newShape:o,keptDims:i}=w.squeezeShape(n),u=o;if(u.length<n.length){let d=Sl(e,u),h=["row","col"];return `
$ { Il ( d , t ) }
float $ { s } ( int row , int col ) {
return $ { s } ( $ { Cl ( h , i ) } ) ;
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}
` }if(e.shapeInfo.isUniform)return `
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float $ { s } ( int row , int col ) {
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int index = round ( dot ( vec2 ( row , col ) , vec2 ( $ { n [ 1 ] } , 1 ) ) ) ;
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$ { kl ( e ) }
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}
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` ;let c=a[0],l=a[1],p=tu(r);return l===1?t? `
float $ { s } ( int row , int col ) {
float index = dot ( vec3 ( row , col , $ { p } ) , vec3 ( $ { r } Shape [ 1 ] , 1 , 1 ) ) ;
vec2 uv = vec2 ( 0.5 , ( index + 0.5 ) / float ( $ { r } TexShape [ 0 ] ) ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` : `
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float $ { s } ( int row , int col ) {
float index = dot ( vec3 ( row , col , $ { p } ) , vec3 ( $ { n [ 1 ] } , 1 , 1 ) ) ;
vec2 uv = vec2 ( 0.5 , ( index + 0.5 ) / $ { c } . 0 ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` :c===1?t? `
float $ { s } ( int row , int col ) {
float index = dot ( vec3 ( row , col , $ { p } ) , vec3 ( $ { r } Shape [ 1 ] , 1 , 1 ) ) ;
vec2 uv = vec2 ( ( index + 0.5 ) / float ( $ { r } TexShape [ 1 ] ) , 0.5 ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` : `
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float $ { s } ( int row , int col ) {
float index = dot ( vec3 ( row , col , $ { p } ) , vec3 ( $ { n [ 1 ] } , 1 , 1 ) ) ;
vec2 uv = vec2 ( ( index + 0.5 ) / $ { l } . 0 , 0.5 ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` :t? `
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float $ { s } ( int row , int col ) {
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// Explicitly use integer operations as dot() only works on floats.
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int index = row * $ { r } Shape [ 1 ] + col + $ { p } ;
vec2 uv = uvFromFlat ( $ { r } TexShape [ 0 ] , $ { r } TexShape [ 1 ] , index ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` : `
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float $ { s } ( int row , int col ) {
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// Explicitly use integer operations as dot() only works on floats.
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int index = row * $ { n [ 1 ] } + col + $ { p } ;
vec2 uv = uvFromFlat ( $ { c } , $ { l } , index ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` }function UJ(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=e.shapeInfo.texShape,o=[Math.ceil(a[0]/2),Math.ceil(a[1]/2)];if(n[0]===1){let d=n.slice(1),h=[1,2],f=Sl(e,d),g=["b","row","col"];return `
$ { _A ( f , t ) }
vec4 $ { s } ( int b , int row , int col ) {
return $ { s } ( $ { Cl ( g , h ) } ) ;
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}
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` }let i=An();if(t)return `
vec4 $ { s } ( int b , int row , int col ) {
ivec2 packedTexShape = ivec2 ( ceil ( float ( $ { r } TexShape [ 0 ] ) / 2.0 ) , ceil ( float ( $ { r } TexShape [ 1 ] ) / 2.0 ) ) ;
int valuesPerRow = int ( ceil ( float ( $ { r } Shape [ 2 ] ) / 2.0 ) ) ;
int texelsInBatch = valuesPerRow * int ( ceil ( float ( $ { r } Shape [ 1 ] ) / 2.0 ) ) ;
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vec2 uv = packedUVfrom3D (
packedTexShape [ 0 ] , packedTexShape [ 1 ] , texelsInBatch , valuesPerRow , b , row , col ) ;
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return $ { i . texture2D } ( $ { r } , uv ) ;
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}
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` ;let u=o[0],c=o[1],l=Math.ceil(n[2]/2),p=l*Math.ceil(n[1]/2);return `
vec4 $ { s } ( int b , int row , int col ) {
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vec2 uv = packedUVfrom3D (
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$ { u } , $ { c } , $ { p } , $ { l } , b , row , col ) ;
return $ { i . texture2D } ( $ { r } , uv ) ;
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}
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` }function GJ(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=n[1]*n[2],o=n[2],{newShape:i,keptDims:u}=w.squeezeShape(n),c=i;if(c.length<n.length){let g=Sl(e,c),m=["row","col","depth"];return `
$ { Il ( g , t ) }
float $ { s } ( int row , int col , int depth ) {
return $ { s } ( $ { Cl ( m , u ) } ) ;
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}
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` }if(e.shapeInfo.isUniform)return `
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float $ { s } ( int row , int col , int depth ) {
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int index = round ( dot ( vec3 ( row , col , depth ) ,
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vec3 ( $ { a } , $ { o } , 1 ) ) ) ;
$ { kl ( e ) }
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}
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` ;let l=e.shapeInfo.texShape,p=l[0],d=l[1],h=e.shapeInfo.flatOffset;if(d===a&&h==null)return t? `
float $ { s } ( int row , int col , int depth ) {
int stride1 = $ { r } Shape [ 2 ] ;
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float texR = float ( row ) ;
float texC = dot ( vec2 ( col , depth ) , vec2 ( stride1 , 1 ) ) ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { r } TexShape [ 1 ] , $ { r } TexShape [ 0 ] ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` : `
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float $ { s } ( int row , int col , int depth ) {
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float texR = float ( row ) ;
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float texC = dot ( vec2 ( col , depth ) , vec2 ( $ { o } , 1 ) ) ;
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vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { d } . 0 , $ { p } . 0 ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` ;if(d===o&&h==null)return t? `
float $ { s } ( int row , int col , int depth ) {
float texR = dot ( vec2 ( row , col ) , vec2 ( $ { r } Shape [ 1 ] , 1 ) ) ;
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float texC = float ( depth ) ;
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vec2 uv = ( vec2 ( texC , texR ) + halfCR ) / vec2 ( $ { r } TexShape [ 1 ] , $ { r } TexShape [ 0 ] ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` : `
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float $ { s } ( int row , int col , int depth ) {
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float texR = dot ( vec2 ( row , col ) , vec2 ( $ { n [ 1 ] } , 1 ) ) ;
float texC = float ( depth ) ;
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vec2 uv = ( vec2 ( texC , texR ) + halfCR ) / vec2 ( $ { d } . 0 , $ { p } . 0 ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` ;let f=tu(r);return t? `
float $ { s } ( int row , int col , int depth ) {
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// Explicitly use integer operations as dot() only works on floats.
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int stride0 = $ { r } Shape [ 1 ] * $ { r } Shape [ 2 ] ;
int stride1 = $ { r } Shape [ 2 ] ;
int index = row * stride0 + col * stride1 + depth + $ { f } ;
vec2 uv = uvFromFlat ( $ { r } TexShape [ 0 ] , $ { r } TexShape [ 1 ] , index ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` : `
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float $ { s } ( int row , int col , int depth ) {
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// Explicitly use integer operations as dot() only works on floats.
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int index = row * $ { a } + col * $ { o } + depth + $ { f } ;
vec2 uv = uvFromFlat ( $ { p } , $ { d } , index ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` }function HJ(e,t){let n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),s=An();if(t)return `
vec4 $ { r } ( int b2 , int b , int row , int col ) {
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int valuesPerRow = int ( ceil ( float ( $ { n } Shape [ 3 ] ) / 2.0 ) ) ;
int texelsInBatch = valuesPerRow * int ( ceil ( float ( $ { n } Shape [ 2 ] ) / 2.0 ) ) ;
int index = b * texelsInBatch + ( row / 2 ) * valuesPerRow + ( col / 2 ) ;
texelsInBatch *= $ { n } Shape [ 1 ] ;
index = b2 * texelsInBatch + index ;
ivec2 packedTexShape = ivec2 ( ceil ( float ( $ { n } TexShape [ 0 ] ) / 2.0 ) , ceil ( float ( $ { n } TexShape [ 1 ] ) / 2.0 ) ) ;
int texR = index / packedTexShape [ 1 ] ;
int texC = index - texR * packedTexShape [ 1 ] ;
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vec2 uv = ( vec2 ( texC , texR ) + halfCR ) / vec2 ( packedTexShape [ 1 ] , packedTexShape [ 0 ] ) ; return $ { s . texture2D } ( $ { n } , uv ) ;
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}
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` ;let a=e.shapeInfo.logicalShape,o=a.length,i=e.shapeInfo.texShape,u=[Math.ceil(i[0]/2),Math.ceil(i[1]/2)],c=u[0],l=u[1],p=Math.ceil(a[o-1]/2),d=p*Math.ceil(a[o-2]/2),h="int b, int row, int col",f= ` b * $ { d } + ( row / 2 ) * $ { p } + ( col / 2 ) ` ;for(let g=2;g<o-1;g++)h= ` int b$ { g } , ` +h,d*=a[o-g-1],f= ` b$ { g } * $ { d } + ` +f;return `
vec4 $ { r } ( $ { h } ) {
int index = $ { f } ;
int texR = index / $ { l } ;
int texC = index - texR * $ { l } ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) / vec2 ( $ { l } , $ { c } ) ;
return $ { s . texture2D } ( $ { n } , uv ) ;
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}
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` }function jJ(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=n[3],o=n[2]*a,i=n[1]*o,{newShape:u,keptDims:c}=w.squeezeShape(n);if(u.length<n.length){let y=Sl(e,u),v=["row","col","depth","depth2"];return `
$ { Il ( y , t ) }
float $ { s } ( int row , int col , int depth , int depth2 ) {
return $ { s } ( $ { Cl ( v , c ) } ) ;
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}
` }if(e.shapeInfo.isUniform)return `
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float $ { s } ( int row , int col , int depth , int depth2 ) {
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int index = round ( dot ( vec4 ( row , col , depth , depth2 ) ,
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vec4 ( $ { i } , $ { o } , $ { a } , 1 ) ) ) ;
$ { kl ( e ) }
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}
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` ;let l=e.shapeInfo.flatOffset,p=e.shapeInfo.texShape,d=p[0],h=p[1],f= ` int stride2 = $ { r } Shape [ 3 ] ; ` ,g= ` int stride1 = $ { r } Shape [ 2 ] * stride2 ; ` ,m= ` int stride0 = $ { r } Shape [ 1 ] * stride1 ; ` ;if(h===i&&l==null)return t? `
float $ { s } ( int row , int col , int depth , int depth2 ) {
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$ { f }
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$ { g }
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float texR = float ( row ) ;
float texC =
dot ( vec3 ( col , depth , depth2 ) ,
vec3 ( stride1 , stride2 , 1 ) ) ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { r } TexShape [ 1 ] , $ { r } TexShape [ 0 ] ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` : `
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float $ { s } ( int row , int col , int depth , int depth2 ) {
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float texR = float ( row ) ;
float texC =
dot ( vec3 ( col , depth , depth2 ) ,
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vec3 ( $ { o } , $ { a } , 1 ) ) ;
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vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { h } . 0 , $ { d } . 0 ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` ;if(h===a&&l==null)return t? `
float $ { s } ( int row , int col , int depth , int depth2 ) {
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float texR = dot ( vec3 ( row , col , depth ) ,
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vec3 ( $ { r } Shape [ 1 ] * $ { r } Shape [ 2 ] , $ { r } Shape [ 2 ] , 1 ) ) ;
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float texC = float ( depth2 ) ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { r } TexShape [ 1 ] , $ { r } TexShape [ 0 ] ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` : `
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float $ { s } ( int row , int col , int depth , int depth2 ) {
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float texR = dot ( vec3 ( row , col , depth ) ,
vec3 ( $ { n [ 1 ] * n [ 2 ] } , $ { n [ 2 ] } , 1 ) ) ;
float texC = float ( depth2 ) ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { h } . 0 , $ { d } . 0 ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` ;let b=tu(r);return t? `
float $ { s } ( int row , int col , int depth , int depth2 ) {
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// Explicitly use integer operations as dot() only works on floats.
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$ { f }
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$ { g }
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$ { m }
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int index = row * stride0 + col * stride1 +
depth * stride2 + depth2 ;
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vec2 uv = uvFromFlat ( $ { r } TexShape [ 0 ] , $ { r } TexShape [ 1 ] , index + $ { b } ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
` : `
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float $ { s } ( int row , int col , int depth , int depth2 ) {
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// Explicitly use integer operations as dot() only works on floats.
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int index = row * $ { i } + col * $ { o } +
depth * $ { a } + depth2 ;
vec2 uv = uvFromFlat ( $ { d } , $ { h } , index + $ { b } ) ;
return sampleTexture ( $ { r } , uv ) ;
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}
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` }function qJ(e){let t=e.shapeInfo.logicalShape,n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),s=t[4],a=t[3]*s,o=t[2]*a,i=t[1]*o,{newShape:u,keptDims:c}=w.squeezeShape(t);if(u.length<t.length){let g=Sl(e,u),m=["row","col","depth","depth2","depth3"];return `
$ { Il ( g ) }
float $ { r } ( int row , int col , int depth , int depth2 , int depth3 ) {
return $ { r } ( $ { Cl ( m , c ) } ) ;
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}
` }if(e.shapeInfo.isUniform)return `
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float $ { r } ( int row , int col , int depth , int depth2 , int depth3 ) {
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float index = dot (
vec4 ( row , col , depth , depth2 ) ,
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vec4 ( $ { i } , $ { o } , $ { a } , $ { s } ) ) +
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depth3 ;
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$ { kl ( e ) }
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}
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` ;let l=e.shapeInfo.flatOffset,p=e.shapeInfo.texShape,d=p[0],h=p[1];if(h===i&&l==null)return `
float $ { r } ( int row , int col , int depth , int depth2 , int depth3 ) {
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int texR = row ;
float texC = dot ( vec4 ( col , depth , depth2 , depth3 ) ,
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vec4 ( $ { o } , $ { a } , $ { s } , 1 ) ) ;
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vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { h } . 0 , $ { d } . 0 ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
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` ;if(h===s&&l==null)return `
float $ { r } ( int row , int col , int depth , int depth2 , int depth3 ) {
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float texR = dot (
vec4 ( row , col , depth , depth2 ) ,
vec4 ( $ { t [ 1 ] * t [ 2 ] * t [ 3 ] } ,
$ { t [ 2 ] * t [ 3 ] } , $ { t [ 3 ] } , 1 ) ) ;
int texC = depth3 ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { h } . 0 , $ { d } . 0 ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
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` ;let f=tu(n);return `
float $ { r } ( int row , int col , int depth , int depth2 , int depth3 ) {
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// Explicitly use integer operations as dot() only works on floats.
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int index = row * $ { i } + col * $ { o } + depth * $ { a } +
depth2 * $ { s } + depth3 + $ { f } ;
vec2 uv = uvFromFlat ( $ { d } , $ { h } , index ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
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` }function KJ(e){let t=e.shapeInfo.logicalShape,n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),{newShape:s,keptDims:a}=w.squeezeShape(t);if(s.length<t.length){let m=Sl(e,s),b=["row","col","depth","depth2","depth3","depth4"];return `
$ { Il ( m ) }
float $ { r } ( int row , int col , int depth ,
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int depth2 , int depth3 , int depth4 ) {
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return $ { r } ( $ { Cl ( b , a ) } ) ;
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}
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` }let o=t[5],i=t[4]*o,u=t[3]*i,c=t[2]*u,l=t[1]*c;if(e.shapeInfo.isUniform)return `
float $ { r } ( int row , int col , int depth ,
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int depth2 , int depth3 , int depth4 ) {
int index = round ( dot (
vec4 ( row , col , depth , depth2 ) ,
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vec4 ( $ { l } , $ { c } , $ { u } , $ { i } ) ) +
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dot (
vec2 ( depth3 , depth4 ) ,
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vec2 ( $ { o } , 1 ) ) ) ;
$ { kl ( e ) }
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}
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` ;let p=e.shapeInfo.flatOffset,d=e.shapeInfo.texShape,h=d[0],f=d[1];if(f===l&&p==null)return `
float $ { r } ( int row , int col , int depth ,
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int depth2 , int depth3 , int depth4 ) {
int texR = row ;
float texC = dot ( vec4 ( col , depth , depth2 , depth3 ) ,
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vec4 ( $ { c } , $ { u } , $ { i } , $ { o } ) ) +
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float ( depth4 ) ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { f } . 0 , $ { h } . 0 ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
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` ;if(f===o&&p==null)return `
float $ { r } ( int row , int col , int depth ,
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int depth2 , int depth3 , int depth4 ) {
float texR = dot ( vec4 ( row , col , depth , depth2 ) ,
vec4 ( $ { t [ 1 ] * t [ 2 ] * t [ 3 ] * t [ 4 ] } ,
$ { t [ 2 ] * t [ 3 ] * t [ 4 ] } ,
$ { t [ 3 ] * t [ 4 ] } ,
$ { t [ 4 ] } ) ) + float ( depth3 ) ;
int texC = depth4 ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { f } . 0 , $ { h } . 0 ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
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` ;let g=tu(n);return `
float $ { r } ( int row , int col , int depth ,
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int depth2 , int depth3 , int depth4 ) {
// Explicitly use integer operations as dot() only works on floats.
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int index = row * $ { l } + col * $ { c } + depth * $ { u } +
depth2 * $ { i } + depth3 * $ { o } + depth4 + $ { g } ;
vec2 uv = uvFromFlat ( $ { h } , $ { f } , index ) ;
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return sampleTexture ( $ { n } , uv ) ;
}
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` }function kl(e){let t=e.name,n=w.sizeFromShape(e.shapeInfo.logicalShape);return n<2? ` return $ { t } ; ` : `
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for ( int i = 0 ; i < $ { n } ; i ++ ) {
if ( i == index ) {
return $ { t } [ i ] ;
}
}
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` }function XJ(e,t){let n=e.name,r=n.charAt(0).toUpperCase()+n.slice(1),s="get"+r+"AtOutCoords",a=e.shapeInfo.logicalShape.length,o=t.logicalShape.length,i=NA(e.shapeInfo.logicalShape,t.logicalShape),u=ht(o),c=o-a,l,p=["x","y","z","w","u","v"];a===0?l="":o<2&&i.length>=1?l="coords = 0;":l=i.map(y=> ` coords . $ { p [ y + c ] } = 0 ; ` ).join( `
` );let d="";o<2&&a>0?d="coords":d=e.shapeInfo.logicalShape.map((y,v)=> ` coords . $ { p [ v + c ] } ` ).join(", ");let h="return outputValue;",g=w.sizeFromShape(e.shapeInfo.logicalShape)===1,b=w.sizeFromShape(t.logicalShape)===1;if(a===1&&!g&&!b)h= `
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return vec4 ( outputValue . xy , outputValue . xy ) ;
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` ;else if(g&&!b)o===1?h= `
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return vec4 ( outputValue . x , outputValue . x , 0. , 0. ) ;
` :h= `
return vec4 ( outputValue . x ) ;
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` ;else if(i.length){let y=a-2,v=a-1;i.indexOf(y)>-1&&i.indexOf(v)>-1?h="return vec4(outputValue.x);":i.indexOf(y)>-1?h="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":i.indexOf(v)>-1&&(h="return vec4(outputValue.xx, outputValue.zz);")}return `
vec4 $ { s } ( ) {
$ { u } coords = getOutputCoords ( ) ;
$ { l }
vec4 outputValue = get$ { r } ( $ { d } ) ;
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$ { h }
}
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` }function YJ(e,t){let n=e.name,r=n.charAt(0).toUpperCase()+n.slice(1),s="get"+r+"AtOutCoords",a=t.texShape,o=e.shapeInfo.texShape,i=e.shapeInfo.logicalShape.length,u=t.logicalShape.length;if(!e.shapeInfo.isUniform&&i===u&&e.shapeInfo.flatOffset==null&&w.arraysEqual(o,a))return `
float $ { s } ( ) {
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return sampleTexture ( $ { n } , resultUV ) ;
}
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` ;let c=ht(u),l=NA(e.shapeInfo.logicalShape,t.logicalShape),p=u-i,d,h=["x","y","z","w","u","v"];i===0?d="":u<2&&l.length>=1?d="coords = 0;":d=l.map(g=> ` coords . $ { h [ g + p ] } = 0 ; ` ).join( `
` );let f="";return u<2&&i>0?f="coords":f=e.shapeInfo.logicalShape.map((g,m)=> ` coords . $ { h [ m + p ] } ` ).join(", "), `
float $ { s } ( ) {
$ { c } coords = getOutputCoords ( ) ;
$ { d }
return get$ { r } ( $ { f } ) ;
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}
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` }function ht(e){if(e<=1)return"int";if(e===2)return"ivec2";if(e===3)return"ivec3";if(e===4)return"ivec4";if(e===5)return"ivec5";if(e===6)return"ivec6";throw Error( ` GPU for rank $ { e } is not yet supported ` )}function c0(e,t,n){let{newShape:r,keptDims:s}=w.squeezeShape(t),a=t.length,o=e&&a===3&&t[0]===1,i=o?t.slice(1):r,u=!e&&a>1&&!w.arraysEqual(t,n)&&r.length<a||o;return{useSqueezeShape:u,uniformShape:u?i:t,keptDims:s}}function Sl(e,t){let n=JSON.parse(JSON.stringify(e));return n.shapeInfo.logicalShape=t,n}function Cl(e,t){return t.map(n=>e[n]).join(", ")}function ZJ(e,t,n,r){let s=n.map((l,p)=>{let d={logicalShape:l.shape,texShape:l.isUniform?null:l.texData.texShape,isUniform:l.isUniform,isPacked:l.isUniform?!1:l.texData.isPacked,flatOffset:null};return l.texData!=null&&l.texData.slice!=null&&l.texData.slice.flatOffset>0&&(d.flatOffset=l.texData.slice.flatOffset),{name:t.variableNames[p],shapeInfo:d}}),a=s.map(l=>l.shapeInfo),o={logicalShape:r.shape,texShape:r.texData.texShape,isUniform:!1,isPacked:r.texData.isPacked,flatOffset:null},i=mJ(s,o,t),u=aA(e.gl,i),c=e.createProgram(u);return G().get("ENGINE_COMPILE_ONLY")?{program:t,fragmentShader:u,source:i,webGLProgram:c,inShapeInfos:a,outShapeInfo:o,variablesLocations:null,customUniformLocations:null,infLoc:null,nanLoc:null,outShapeLocation:null,outShapeStridesLocation:null,outTexShapeLocation:null}:(e.buildVao(c),Object.assign({program:t,fragmentShader:u,source:i,webGLProgram:c,inShapeInfos:a,outShapeInfo:o},AA(e,t,c)))}function AA(e,t,n){let r=[],s=[],a,o,i,u=null,c=null;c=e.getUniformLocation(n,"NAN",!1),G().getNumber("WEBGL_VERSION")===1&&(u=e.getUniformLocation(n,"INFINITY",!1));let l=!1;for(let p of t.variableNames){let d={name:p,uniform:e.getUniformLocation(n,p,l),offset:e.getUniformLocation(n, ` offset$ { p } ` ,l)};t.enableShapeUniforms&&(d.shape=e.getUniformLocation(n, ` $ { p } Shape ` ,l),d.texShape=e.getUniformLocation(n, ` $ { p } TexShape ` ,l)),r.push(d)}if(t.enableShapeUniforms&&(a=e.getUniformLocation(n,"outShape",l),i=e.getUniformLocation(n,"outShapeStrides",l),o=e.getUniformLocation(n,"outTexShape",l)),t.customUniforms)for(let p of t.customUniforms)s.push(e.getUniformLocation(n,p.name,l));return{variablesLocations:r,customUniformLocations:s,infLoc:u,nanLoc:c,outShapeLocation:a,outShapeStridesLocation:i,outTexShapeLocation:o}}function C1(e,t){if(e.length!==t.length)throw Error( ` Binary was compiled with $ { e . length } inputs , but was executed with $ { t . length } inputs ` );e.forEach((n,r)=>{let s=n.logicalShape,a=t[r],o=a.shape;if(!w.arraysEqual(s,o))throw Error( ` Binary was compiled with different shapes than the current args . Shapes $ { s } and $ { o } must match ` );if(n.isUniform&&a.isUniform)return;let i=n.texShape,u=a.isUniform?null:a.texData.texShape;if(!w.arraysEqual(i,u))throw Error( ` Binary was compiled with different texture shapes than the current args . Shape $ { i } and $ { u } must match ` )})}function JJ(e,t,n,r,s){t.program.enableShapeUniforms||(C1(t.inShapeInfos,n),C1([t.outShapeInfo],[r]));let a=r.texData.texture,o=r.texData.texShape;r.texData.isPacked?e.setOutputPackedMatrixTexture(a.texture,o[0],o[1]):e.setOutputMatrixTexture(a.texture,o[0],o[1]),e.setProgram(t.webGLProgram),e.bindVertexArray(t.webGLProgram.vao),G().getNumber("WEBGL_VERSION")===1&&t.infLoc!==null&&e.gl.uniform1f(t.infLoc,1/0),t.nanLoc!==null&&e.gl.uniform1f(t.nanLoc,NaN);for(let u=0;u<n.length;++u){let c=n[u],{uniform:l,offset:p,shape:d,texShape:h}=t.variablesLocations[u];if(d){let{uniformShape:f}=c0(t.program.packedInputs,c.shape,c.texData.texShape);switch(f.length){case 1:e.gl.uniform1iv(d,new Int32Array(f));break;case 2:e.gl.uniform2iv(d,new Int32Array(f));break;case 3:e.gl.uniform3iv(d,new Int32Array(f));break;case 4:e.gl.uniform4iv(d,new Int32Array(f));break;default:break}}if(h&&e.gl.uniform2i(h,c.texData.texShape[0],c.texData.texShape[1]),l!=null){if(c.isUniform){if(w.sizeFromShape(c.shape)<2)e.gl.uniform1f(l,c.uniformValues[0]);else{let f=c.uniformValues;f instanceof Float32Array||(f=new Float32Array(f)),e.gl.uniform1fv(l,f)}continue}c.texData.slice!=null&&p!=null&&e.gl.uniform1i(p,c.texData.slice.flatOffset)
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ivec3 outCoordsFromFlatIndex ( int index ) {
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$ { this . enableShapeUniforms ? eg ( [ "r" , "c" , "d" ] , e ) : eu ( [ "r" , "c" , "d" ] , e ) }
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return ivec3 ( r , c , d ) ;
}
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void main ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx * vec2 ( texShape [ 0 ] , texShape [ 1 ] ) ) ;
int index = 4 * ( resTexRC . x * texShape [ 1 ] + resTexRC . y ) ;
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vec4 result = vec4 ( 0. ) ;
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for ( int i = 0 ; i < 4 ; i ++ ) {
int flatIndex = index + i ;
ivec3 rc = outCoordsFromFlatIndex ( flatIndex ) ;
result [ i ] = getA ( rc . x , rc . y , rc . z ) ;
}
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$ { t . output } = result ;
}
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` }},tQ=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outPackingScheme=Dd.DENSE,this.customUniforms=[{name:"texShape",type:"ivec2"}];let t=An();this.outputShape=e,this.enableShapeUniforms=xn(this.outputShape.length),this.userCode= `
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ivec3 outCoordsFromFlatIndex ( int index ) {
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$ { this . enableShapeUniforms ? eg ( [ "r" , "c" , "d" ] , e ) : eu ( [ "r" , "c" , "d" ] , e ) }
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return ivec3 ( r , c , d ) ;
}
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void main ( ) {
ivec2 resTexRC = ivec2 ( resultUV . yx * vec2 ( texShape [ 0 ] , texShape [ 1 ] ) ) ;
int index = 4 * ( resTexRC . x * texShape [ 1 ] + resTexRC . y ) ;
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vec4 result = vec4 ( 0. ) ;
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for ( int i = 0 ; i < 4 ; i ++ ) {
int flatIndex = index + i ;
ivec3 rc = outCoordsFromFlatIndex ( flatIndex ) ;
result [ i ] = getChannel ( getA ( rc . x , rc . y , rc . z ) , vec2 ( rc . y , rc . z ) ) ;
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}
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$ { t . output } = result ;
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}
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` }},nQ=class{constructor(e){this.variableNames=["A"],this.outTexUsage=lr.DOWNLOAD;let t=An();this.outputShape=e,this.userCode= `
$ { TA }
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void main ( ) {
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float x = getAAtOutCoords ( ) ;
$ { t . output } = encode _float ( x ) ;
}
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` }},rQ=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outTexUsage=lr.DOWNLOAD;let t=An();this.outputShape=e,this.userCode= `
$ { TA }
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void main ( ) {
ivec3 coords = getOutputCoords ( ) ;
float x = getChannel ( getAAtOutCoords ( ) , vec2 ( coords . y , coords . z ) ) ;
$ { t . output } = encode _float ( x ) ;
}
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` }},sQ={R:0,G:1,B:2,A:3},T1=class{constructor(e,t=!1,n="RGBA"){this.variableNames=["A"],this.customUniforms=[{name:"texShape",type:"ivec2"}];let r=An();this.outputShape=e,this.enableShapeUniforms=xn(this.outputShape.length);let s="result";t&&(s="floor(result * 255. + 0.5)");let a="";for(let o=0;o<n.length;o++){let i=n[o];a+= `
if ( offset == $ { o } ) {
result = values [ $ { sQ [ i ] } ] ;
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} ` }this.userCode= `
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$ { this . enableShapeUniforms ? u0 ( ) : i0 ( e ) }
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void main ( ) {
ivec3 coords = getOutputCoords ( ) ;
int flatIndex = getFlatIndex ( coords ) ;
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float result = 0. ;
int offset = imod ( flatIndex , $ { n . length } ) ;
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flatIndex = idiv ( flatIndex , $ { n . length } , 1. ) ;
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int r = flatIndex / texShape [ 1 ] ;
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if ( r < texShape [ 0 ] ) {
int c = imod ( flatIndex , texShape [ 1 ] ) ;
vec2 uv = ( vec2 ( c , r ) + halfCR ) / vec2 ( texShape [ 1 ] , texShape [ 0 ] ) ;
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vec4 values = $ { r . texture2D } ( A , uv ) ;
$ { a }
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}
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$ { r . output } = vec4 ( $ { s } , 0. , 0. , 0. ) ;
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}
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` }},aQ=class{constructor(e,t=!1){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.customUniforms=[{name:"texShape",type:"ivec2"}];let n=An();this.outputShape=e,this.enableShapeUniforms=xn(this.outputShape.length);let r="",s="result";t&&(s="floor(result * 255. + 0.5)");for(let a=0;a<=1;a++)for(let o=0;o<=1;o++){let i=a*2+o;r+= `
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localCoords = coords ;
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if ( localCoords [ 2 ] + $ { o } < $ { this . enableShapeUniforms ? "outShape[2]" : ` ${ e [ 2 ] } ` } ) {
localCoords [ 2 ] += $ { o } ;
if ( localCoords [ 1 ] + $ { a } < $ { this . enableShapeUniforms ? "outShape[1]" : ` ${ e [ 1 ] } ` } ) {
localCoords [ 1 ] += $ { a } ;
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flatIndex = getFlatIndex ( localCoords ) ;
offset = imod ( flatIndex , 4 ) ;
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flatIndex = idiv ( flatIndex , 4 , 1. ) ;
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int r = flatIndex / texShape [ 1 ] ;
int c = imod ( flatIndex , texShape [ 1 ] ) ;
vec2 uv = ( vec2 ( c , r ) + halfCR ) / vec2 ( texShape [ 1 ] , texShape [ 0 ] ) ;
values = $ { n . texture2D } ( A , uv ) ;
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if ( offset == 0 ) {
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result [ $ { i } ] = values [ 0 ] ;
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} else if ( offset == 1 ) {
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result [ $ { i } ] = values [ 1 ] ;
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} else if ( offset == 2 ) {
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result [ $ { i } ] = values [ 2 ] ;
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} else {
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result [ $ { i } ] = values [ 3 ] ;
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}
}
}
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` }this.userCode= `
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$ { this . enableShapeUniforms ? u0 ( ) : i0 ( e ) }
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void main ( ) {
ivec3 coords = getOutputCoords ( ) ;
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vec4 result = vec4 ( 0. ) ;
int flatIndex , r , c , offset ;
ivec3 localCoords ;
vec2 uv ;
vec4 values ;
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$ { r }
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$ { n . output } = $ { s } ;
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}
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` }},DA={};Ee(DA,{bindVertexProgramAttributeStreams:()=>zA,createBufferFromOutputTexture:()=>UA,createFloat16MatrixTexture:()=>OA,createFloat16PackedMatrixTexture:()=>BA,createFloat32MatrixTexture:()=>PA,createIndexBuffer:()=>RA,createPackedMatrixTexture:()=>LA,createUnsignedBytesMatrixTexture:()=>MA,createVertexBuffer:()=>FA,createVertexShader:()=> $ A,downloadByteEncodedFloatMatrixFromOutputTexture:()=>HA,downloadFloat32MatrixFromBuffer:()=>GA,downloadMatrixFromPackedOutputTexture:()=>qA,downloadPackedMatrixFromBuffer:()=>jA,getInternalFormatForFloat16MatrixTexture:()=>d0,getInternalFormatForFloat16PackedMatrixTexture:()=>f0,getInternalFormatForFloat32MatrixTexture:()=>l0,getInternalFormatForPackedMatrixTexture:()=>h0,getInternalFormatForUnsignedBytesMatrixTexture:()=>p0,uploadDenseMatrixToTexture:()=>WA,uploadPixelDataToTexture:()=>VA});function $ A(e){let t=An(),n= ` $ { t . version }
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precision highp float ;
$ { t . attribute } vec3 clipSpacePos ;
$ { t . attribute } vec2 uv ;
$ { t . varyingVs } vec2 resultUV ;
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void main ( ) {
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gl _Position = vec4 ( clipSpacePos , 1 ) ;
resultUV = uv ;
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} ` ;return sA(e,n)}function FA(e){let t=new Float32Array([-1,1,0,0,1,-1,-1,0,0,0,1,1,0,1,1,1,-1,0,1,0]);return uA(e,t)}function RA(e){let t=new Uint16Array([0,1,2,2,1,3]);return cA(e,t)}function Op(e,t,n,r,s,a){dA(t,n);let o=lA(e),i=e.TEXTURE_2D;return he(e,()=>e.bindTexture(i,o)),he(e,()=>e.texParameteri(i,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE)),he(e,()=>e.texParameteri(i,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)),he(e,()=>e.texParameteri(i,e.TEXTURE_MIN_FILTER,e.NEAREST)),he(e,()=>e.texParameteri(i,e.TEXTURE_MAG_FILTER,e.NEAREST)),G().getNumber("WEBGL_VERSION")===1?he(e,()=>e.texImage2D(i,0,r,t,n,0,s,a,null)):he(e,()=>e.texStorage2D(i,1,r,t,n)),he(e,()=>e.bindTexture(e.TEXTURE_2D,null)),{texture:o,texShape:[n,t]}}function l0(e){return e.internalFormatFloat}function PA(e,t,n,r){let[s,a]=Pp(t,n);return Op(e,s,a,l0(r),r.textureFormatFloat,e.FLOAT)}function d0(e){return e.internalFormatHalfFloat}function OA(e,t,n,r){let[s,a]=Pp(t,n);return Op(e,s,a,d0(r),r.textureFormatFloat,r.textureTypeHalfFloat)}function p0(e){return e.downloadTextureFormat}function MA(e,t,n,r){let[s,a]=Pp(t,n);return Op(e,s,a,p0(r),e.RGBA,e.UNSIGNED_BYTE)}function h0(e){return e.internalFormatPackedFloat}function LA(e,t,n,r){let[s,a]=xl(t,n);return Op(e,s,a,h0(r),e.RGBA,e.FLOAT)}function f0(e){return e.internalFormatPackedHalfFloat}function BA(e,t,n,r){let[s,a]=xl(t,n);return Op(e,s,a,f0(r),e.RGBA,r.textureTypeHalfFloat)}function zA(e,t,n){return he(e,()=>e.bindBuffer(e.ARRAY_BUFFER,n)),bx(e,t,"clipSpacePos",n,3,20,0)&&bx(e,t,"uv",n,2,20,12)}function WA(e,t,n,r,s,a){he(e,()=>e.bindTexture(e.TEXTURE_2D,t));let o,i,u;s instanceof Uint8Array?(o=new Uint8Array(n*r*4),i=e.UNSIGNED_BYTE,u=e.RGBA):(o=new Float32Array(n*r*4),i=e.FLOAT,u=a.internalFormatPackedFloat),o.set(s),G().getNumber("WEBGL_VERSION")===2?he(e,()=>e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGBA,i,o)):he(e,()=>e.texImage2D(e.TEXTURE_2D,0,u,n,r,0,e.RGBA,i,o)),he(e,()=>e.bindTexture(e.TEXTURE_2D,null))}function VA(e,t,n){he(e,()=>e.bindTexture(e.TEXTURE_2D,t)),n.data instanceof Uint8Array?G().getNumber("WEBGL_VERSION")===2?he(e,()=>e.texSubImage2D(e.TEXTURE_2D,0,0,0,n.width,n.height,e.RGBA,e.UNSIGNED_BYTE,n.data)):he(e,()=>e.texImage2D(e.TEXTURE_2D,0,e.RGBA,n.width,n.height,0,e.RGBA,e.UNSIGNED_BYTE,n.data)):G().getNumber("WEBGL_VERSION")===2?he(e,()=>e.texSubImage2D(e.TEXTURE_2D,0,0,0,e.RGBA,e.UNSIGNED_BYTE,n)):he(e,()=>e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,n)),he(e,()=>e.bindTexture(e.TEXTURE_2D,null))}function UA(e,t,n,r){let s=e.createBuffer();he(e,()=>e.bindBuffer(e.PIXEL_PACK_BUFFER,s));let i=4*4*t*n;return he(e,()=>e.bufferData(e.PIXEL_PACK_BUFFER,i,e.STREAM_READ)),he(e,()=>e.readPixels(0,0,n,t,e.RGBA,e.FLOAT,0)),he(e,()=>e.bindBuffer(e.PIXEL_PACK_BUFFER,null)),s}function GA(e,t,n){let r=e,s=new Float32Array(n);return r.bindBuffer(r.PIXEL_PACK_BUFFER,t),r.getBufferSubData(r.PIXEL_PACK_BUFFER,0,s),r.bindBuffer(r.PIXEL_PACK_BUFFER,null),s}function HA(e,t,n,r){let[s,a]=Pp(t,n),o=4,i=new Uint8Array(tJ(t*n,o));return he(e,()=>e.readPixels(0,0,s,a,r.downloadTextureFormat,e.UNSIGNED_BYTE,i)),new Float32Array(i.buffer)}function jA(e,t,n,r,s,a,o,i){let u=e,c=new Float32Array(nJ(a,o));return u.bindBuffer(u.PIXEL_PACK_BUFFER,t),u.getBufferSubData(u.PIXEL_PACK_BUFFER,0,c),u.bindBuffer(u.PIXEL_PACK_BUFFER,null),c}function qA(e,t,n){let r=new Float32Array(t*n*4);return he(e,()=>e.readPixels(0,0,n,t,e.RGBA,e.FLOAT,r)),r}var tf=class{constructor(e){this.outputTexture=null,this.program=null,this.disposed=!1,this.itemsToPoll=[];let t=G().getNumber("WEBGL_VERSION");if(e!=null?(this.gl=e,tA(t,e)):this.gl=qr(t),e=this.gl,G().getNumber("WEBGL_VERSION")===2){let s=e;this.createVertexArray=()=>he(s,()=>s.createVertexArray()),this.bindVertexArray=a=>he(s,()=>s.bindVertexArray(a)),this.deleteVertexArray=a=>he(s,()=>s.deleteVertexArray(a)),this.getVertexArray=()=>he(s,()=>s.getParameter(s.VERTEX_ARRAY_BINDING))}else if(e!=null){let s=e.getExtension("OES_vertex_array_object");if(s==null)throw new Error("All WebGL1 implementations are expected to offer OES_vertex_array_object.");this.createVertexArray=()=>h
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void main ( ) {
setOutput ( vec4 ( getA ( ) , 0. , 0. , 0. ) ) ;
}
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` ;else{let t=Cn("rc",this.rank),n=ht(this.rank),r=this.getOutOfBoundsCondition(t),s=this.getSetup(t),a=this.getOutput(t);this.userCode= `
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void main ( ) {
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$ { n } rc = getOutputCoords ( ) ;
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if ( $ { r } ) {
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setOutput ( vec4 ( 0 ) ) ;
} else {
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$ { s }
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setOutput ( vec4 ( $ { a } ) ) ;
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}
}
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` }}getSourceCoordsArr(e){let t=[];for(let n=0;n<=1;n++)for(let r=0;r<=1;r++){let s= ` $ { n === 0 ? "r" : "rp1" } , $ { r === 0 ? "c" : "cp1" } ` ;for(let a=2;a<this.rank;a++)s= ` $ { e [ e . length - 1 - a ] } , ` +s;t.push(s)}return t}getOutOfBoundsCondition(e){if(this.rank===1)return ` rc > $ { this . enableShapeUniforms ? "outShape" : this . outputShape [ 0 ] } ` ;let t="";for(let n=this.rank-2;n<this.rank;n++)t+= ` $ { e [ n ] } >= $ { this . enableShapeUniforms ? ` outShape[ ${ n } ] ` : this . outputShape [ n ] } ` ,n<this.rank-1&&(t+="||");return t}getSetup(e){if(this.rank===1)return"";let t=e.slice(-2),n=this.enableShapeUniforms? ` outShape [ $ { this . rank } - 1 ] ` :this.outputShape[this.rank-1],r=this.enableShapeUniforms? ` outShape [ $ { this . rank } - 2 ] ` :this.outputShape[this.rank-2];return `
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int r = $ { t [ 0 ] } ;
int c = $ { t [ 1 ] } ;
int rp1 = r + 1 ;
int cp1 = c + 1 ;
bool cEdge = cp1 >= $ { n } ;
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bool rEdge = rp1 >= $ { r } ;
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` }getOutput(e){let t=this.getSourceCoordsArr(e);return this.rank===1? ` getA ( rc ) , ( rc + 1 >= $ { this . enableShapeUniforms ? "outShape" : this . outputShape [ 0 ] } ? 0. : getA ( rc + 1 ) ) , 0 , 0 ` : ` getA ( $ { t [ 0 ] } ) ,
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cEdge ? 0. : getA ( $ { t [ 1 ] } ) ,
rEdge ? 0. : getA ( $ { t [ 2 ] } ) ,
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rEdge || cEdge ? 0. : getA ( $ { t [ 3 ] } ) ` }},JA=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"inputShape",type:"ivec3"}],this.outputShape=e,this.enableShapeUniforms=xn(this.outputShape.length);let n="";for(let r=0;r<4;r++){let s="thisRC = rc;";r%2===1&&(s+="thisRC.z += 1;"),r>1&&(s+="thisRC.y += 1;"),n+= `
$ { s }
$ { r > 0 ? "if(thisRC.y < rows && thisRC.z < cols){" : "" }
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int flatIndex = getFlatIndex ( thisRC ) ;
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ivec3 inputRC = inputCoordsFromReshapedOutCoords ( flatIndex ) ;
vec2 inputRCInnerDims = vec2 ( float ( inputRC . y ) , float ( inputRC . z ) ) ;
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result [ $ { r } ] =
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getChannel ( getA ( inputRC . x , inputRC . y , inputRC . z ) , inputRCInnerDims ) ;
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$ { r > 0 ? "}" : "" }
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` }this.userCode= `
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$ { eee ( t , this . enableShapeUniforms ) }
$ { this . enableShapeUniforms ? u0 ( ) : i0 ( e ) }
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void main ( ) {
ivec3 rc = getOutputCoords ( ) ;
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vec4 result = vec4 ( 0. ) ;
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ivec3 thisRC ;
int rows = $ { this . enableShapeUniforms ? "outShape[1]" : e [ 1 ] } ;
int cols = $ { this . enableShapeUniforms ? "outShape[2]" : e [ 2 ] } ;
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$ { n }
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setOutput ( result ) ;
}
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` }};function eee(e,t){return `
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ivec3 inputCoordsFromReshapedOutCoords ( int index ) {
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$ { t ? fJ ( [ "r" , "c" , "d" ] , "inputShape" ) : eu ( [ "r" , "c" , "d" ] , e ) }
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return ivec3 ( r , c , d ) ;
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}
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` }var tee=class{constructor(e){this.gpgpu=e,this.numUsedTextures=0,this.numFreeTextures=0,this._numBytesAllocated=0,this._numBytesFree=0,this.freeTextures={},this.usedTextures={},this.logEnabled=!1}acquireTexture(e,t,n){let r=_1(t,n),s=E1(e,r,n);s in this.freeTextures||(this.freeTextures[s]=[]),s in this.usedTextures||(this.usedTextures[s]=[]);let a=N1(e,r,this.gpgpu.gl,this.gpgpu.textureConfig,n);if(this.freeTextures[s].length>0){this.numFreeTextures--,this.numUsedTextures++,this._numBytesFree-=a,this.log();let i=this.freeTextures[s].pop();return this.usedTextures[s].push(i),i}let o;return r===pn.PACKED_2X2_FLOAT32?o=this.gpgpu.createPackedMatrixTexture(e[0],e[1]):r===pn.PACKED_2X2_FLOAT16?o=this.gpgpu.createFloat16PackedMatrixTexture(e[0],e[1]):r===pn.UNPACKED_FLOAT32?o=this.gpgpu.createFloat32MatrixTexture(e[0],e[1]):r===pn.UNPACKED_FLOAT16?o=this.gpgpu.createFloat16MatrixTexture(e[0],e[1]):r===pn.PACKED_4X1_UNSIGNED_BYTE&&(o=this.gpgpu.createUnsignedBytesMatrixTexture(e[0],e[1])),this.usedTextures[s].push(o),this.numUsedTextures++,this._numBytesAllocated+=a,this.log(),o}releaseTexture(e,t,n,r){if(this.freeTextures==null)return;let s=_1(n,r),a=E1(t,s,r);a in this.freeTextures||(this.freeTextures[a]=[]);let o=N1(t,s,this.gpgpu.gl,this.gpgpu.textureConfig,r),i=G().getNumber("WEBGL_DELETE_TEXTURE_THRESHOLD");i!==-1&&this._numBytesAllocated>i?(this.gpgpu.deleteMatrixTexture(e.texture),this._numBytesAllocated-=o):(this.freeTextures[a].push(e),this.numFreeTextures++,this._numBytesFree+=o),this.numUsedTextures--;let u=this.usedTextures[a],c=u&&u.indexOf(e);if(c==null||c<0)throw new Error("Cannot release a texture that was never provided by this texture manager");u[c]=u[u.length-1],u.pop(),this.log()}log(){if(!this.logEnabled)return;let e=this.numFreeTextures+this.numUsedTextures;console.log("Free/Used", ` $ { this . numFreeTextures } / $ { this . numUsedTextures } ` , ` ( $ { e } ) ` );let t=this._numBytesFree/this._numBytesAllocated;console.log( ` Bytes allocated : $ { this . _numBytesAllocated } ` ),console.log( ` Bytes unused : $ { this . _numBytesFree } ( $ { Math . round ( 100 * t ) } % ) ` )}get numBytesAllocated(){return this._numBytesAllocated}get numBytesFree(){return this._numBytesFree}getNumUsedTextures(){return this.numUsedTextures}getNumFreeTextures(){return this.numFreeTextures}dispose(){if(this.freeTextures!=null){for(let e in this.freeTextures)this.freeTextures[e].forEach(t=>{this.gpgpu.deleteMatrixTexture(t.texture)});for(let e in this.usedTextures)this.usedTextures[e].forEach(t=>{this.gpgpu.deleteMatrixTexture(t.texture)});this.freeTextures=null,this.usedTextures=null,this.numUsedTextures=0,this.numFreeTextures=0,this._numBytesAllocated=0,this._numBytesFree=0}}};function nee(e,t){let n=e;if(t===n.R32F)return 4;if(t===n.R16F)return 2;if(t===n.RGBA32F)return 16;if(t===e.RGBA)return 16;if(t===n.RGBA16F)return 8;if(t===n.RGBA8)return 4;throw new Error( ` Unknown internal format $ { t } ` )}function N1(e,t,n,r,s){let a=ree(t,r),o;if(s){let[u,c]=xl(e[0],e[1]);o=u*c}else{let[u,c]=Pp(e[0],e[1]);o=u*c}let i=nee(n,a);return o*i}function ree(e,t){switch(e){case pn.PACKED_2X2_FLOAT32:return h0(t);case pn.PACKED_2X2_FLOAT16:return f0(t);case pn.UNPACKED_FLOAT32:return l0(t);case pn.UNPACKED_FLOAT16:return d0(t);case pn.PACKED_4X1_UNSIGNED_BYTE:return p0(t);default:throw new Error( ` Unknown physical texture type $ { e } ` )}}function see(e){return G().getBool("WEBGL_RENDER_FLOAT32_ENABLED")?e?pn.PACKED_2X2_FLOAT32:pn.UNPACKED_FLOAT32:e?pn.PACKED_2X2_FLOAT16:pn.UNPACKED_FLOAT16}function _1(e,t){if(e===lr.UPLOAD)return pn.PACKED_2X2_FLOAT32;if(e===lr.RENDER||e==null)return see(t);if(e===lr.DOWNLOAD||e===lr.PIXELS)return pn.PACKED_4X1_UNSIGNED_BYTE;throw new Error( ` Unknown logical texture type $ { e } ` )}function E1(e,t,n){return ` $ { e [ 0 ] } _$ { e [ 1 ] } _$ { t } _$ { n } ` }var is=class{constructor(e,t){this.variableNames=["A"],this.outputShape=e,this.enableShapeUniforms=xn(this.outputShape.length),this.userCode= `
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float unaryOperation ( float x ) {
$ { t }
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}
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void main ( ) {
float x = getAAtOutCoords ( ) ;
float y = unaryOperation ( x ) ;
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setOutput ( y ) ;
}
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` }},Or="if (isnan(x)) return x;",aee="return x;",A1="return abs(x);",oee="return (x >= 0.0) ? x : (exp(x) - 1.0);",iee=Or+ `
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return ( x < 0.0 ) ? 0.0 : x ;
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` ,uee=Or+ `
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return ( x < 0.0 ) ? 0.0 : min ( 6.0 , x ) ;
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` ,ta="return x;",cee="return 1.0 / (1.0 + exp(-1.0 * x));",lee="return x;",dee= `
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vec4 result ;
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result . r = ( x . r >= 0.0 ) ? x . r : ( exp ( x . r ) - 1.0 ) ;
result . g = ( x . g >= 0.0 ) ? x . g : ( exp ( x . g ) - 1.0 ) ;
result . b = ( x . b >= 0.0 ) ? x . b : ( exp ( x . b ) - 1.0 ) ;
result . a = ( x . a >= 0.0 ) ? x . a : ( exp ( x . a ) - 1.0 ) ;
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return result ;
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` ,pee= `
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vec4 result = x * vec4 ( greaterThanEqual ( x , vec4 ( 0.0 ) ) ) ;
bvec4 isNaN = isnan ( x ) ;
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result . r = isNaN . r ? x . r : result . r ;
result . g = isNaN . g ? x . g : result . g ;
result . b = isNaN . b ? x . b : result . b ;
result . a = isNaN . a ? x . a : result . a ;
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return result ;
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` ,hee= `
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vec4 result = min ( x , vec4 ( 6. ) ) * vec4 ( greaterThanEqual ( x , vec4 ( 0.0 ) ) ) ;
bvec4 isNaN = isnan ( x ) ;
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result . r = isNaN . r ? x . r : result . r ;
result . g = isNaN . g ? x . g : result . g ;
result . b = isNaN . b ? x . b : result . b ;
result . a = isNaN . a ? x . a : result . a ;
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return result ;
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` ,fee="return 1.0 / (1.0 + exp(-1.0 * x));",oa=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.enableShapeUniforms=xn(this.outputShape.length),this.userCode= `
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vec4 unaryOperation ( vec4 x ) {
$ { t }
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}
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void main ( ) {
vec4 x = getAAtOutCoords ( ) ;
vec4 y = unaryOperation ( x ) ;
setOutput ( y ) ;
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}
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` }},mee=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outputShape=e,this.enableShapeUniforms=xn(this.outputShape.length);let t=e.length,n=Cn("rc",t),r=ht(t),s=JQ(t,n),a=n.slice(-2),o=t<=1?"rc": ` vec2 ( $ { a . join ( "," ) } ) ` ;this.userCode= `
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void main ( ) {
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$ { r } rc = getOutputCoords ( ) ;
vec4 packedInput = getA ( $ { s } ) ;
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setOutput ( getChannel ( packedInput , $ { o } ) ) ;
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}
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` }},gee=gs.whereImpl,bee=1e-7,yee=1e-4,jh={};function vee(e){return e in jh||(jh[e]={}),jh[e]}var xee=G().getNumber("CPU_HANDOFF_SIZE_THRESHOLD"),wee=600;function Iee(){return G().global.screen==null?1024:G().global.screen.height*G().global.screen.width*window.devicePixelRatio*wee/1024/1024}var g0=class QA extends Md{nextDataId(){return QA.nextDataId++}constructor(t){if(super(),this.pendingRead=new WeakMap,this.pendingDisposal=new WeakSet,this.dataRefCount=new WeakMap,this.numBytesInGPU=0,this.uploadWaitMs=0,this.downloadWaitMs=0,this.lastGlFlushTime=0,this.warnedAboutMemory=!1,this.pendingDeletes=0,this.disposed=!1,!G().getBool("HAS_WEBGL"))throw new Error("WebGL is not supported on this device");let n;if(t!=null){if(t instanceof tf)n=t;else{let r=qr(G().getNumber("WEBGL_VERSION"),t);n=new tf(r)}this.binaryCache={},this.gpgpuCreatedLocally=!1}else{let r=qr(G().getNumber("WEBGL_VERSION"));n=new tf(r),this.binaryCache=vee(G().getNumber("WEBGL_VERSION")),this.gpgpuCreatedLocally=!0}this.gpgpu=n,this.canvas=this.gpgpu.gl.canvas,this.textureManager=new tee(this.gpgpu),this.numMBBeforeWarning=Iee(),this.texData=new Rf(this,Er())}numDataIds(){return this.texData.numDataIds()-this.pendingDeletes}writeTexture(t,n,r,s,a,o){let i=this.makeTensorInfo(n,r),u=this.texData.get(i.dataId);u.isPacked=!1,u.texture={texture:t,texShape:[s,a]},u.texShape=[s,a];let c=pd(n),l=new T1(c,!1,o),p=this.runWebGLProgram(l,[i],r,[[s,a]]);return p.shape=n,u.texture=null,this.disposeIntermediateTensorInfo(i),p.dataId}write(t,n,r){if((G().getBool("WEBGL_CHECK_NUMERICAL_PROBLEMS")||G().getBool("DEBUG"))&&this.checkNumericalProblems(t),r==="complex64"&&t!=null)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");let s={id:this.nextDataId()};return this.texData.set(s,{shape:n,dtype:r,values:t,usage:lr.UPLOAD,refCount:1}),s}refCount(t){return this.texData.has(t)?this.texData.get(t).refCount:0}incRef(t){let n=this.texData.get(t);n.refCount++}decRef(t){if(this.texData.has(t)){let n=this.texData.get(t);n.refCount--}}move(t,n,r,s,a){if(G().getBool("DEBUG")&&this.checkNumericalProblems(n),s==="complex64")throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");this.texData.set(t,{shape:r,dtype:s,values:n,usage:lr.UPLOAD,refCount:a})}disposeIntermediateTensorInfo(t){this.disposeData(t.dataId)}readSync(t){let n=this.texData.get(t),{values:r,dtype:s,complexTensorInfos:a,slice:o,shape:i,isPacked:u}=n;if(o!=null){let d;u?d=new oa(i,ta):d=new is(i,ta);let h=this.runWebGLProgram(d,[{dataId:t,shape:i,dtype:s}],s),f=this.readSync(h.dataId);return this.disposeIntermediateTensorInfo(h),f}if(r!=null)return this.convertAndCacheOnCPU(t);if(s==="string")return r;let c=this.activeTimers!=null,l;c&&(l=w.now());let p;if(s==="complex64"){let d=this.readSync(a.real.dataId),h=this.readSync(a.imag.dataId);p=T.mergeRealAndImagArrays(d,h)}else p=this.getValuesFromTexture(t);return c&&(this.downloadWaitMs+=w.now()-l),this.convertAndCacheOnCPU(t,p)}async read(t){if(this.pendingRead.has(t)){let f=this.pendingRead.get(t);return new Promise(g=>f.push(g))}let n=this.texData.get(t),{values:r,shape:s,slice:a,dtype:o,complexTensorInfos:i,isPacked:u}=n;if(a!=null){let f;u?f=new oa(s,ta):f=new is(s,ta);let g=this.runWebGLProgram(f,[{dataId:t,shape:s,dtype:o}],o),m=this.read(g.dataId);return this.disposeIntermediateTensorInfo(g),m}if(r!=null)return this.convertAndCacheOnCPU(t);if(G().getBool("DEBUG")&&!G().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")&&G().getNumber("WEBGL_VERSION")===2)throw new Error("tensor.data() with WEBGL_DOWNLOAD_FLOAT_ENABLED=false and WEBGL_VERSION=2 not yet supported.");let c=null,l;if(o!=="complex64"&&G().get("WEBGL_BUFFER_SUPPORTED")){l=this.decode(t);let f=this.texData.get(l.dataId);c=this.gpgpu.createBufferFromTexture(f.texture.texture,...Gh(s))}this.pendingRead.set(t,[]),o!=="complex64"&&await this.gpgpu.createAndWaitForFence();let p;if(o==="complex64"){let f=await Promise.all([this.read(i.real.dataId),this.read(i.imag.dataId)]),g=f[0],m=f[1];p=T.mergeRealAndImagArrays(g,m)}else if(c==null)p=this.getV
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if ( isnan ( a ) ) return a ;
if ( isnan ( b ) ) return b ;
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` ,To=class{constructor(e,t,n){this.variableNames=["A","B"],this.outputShape=T.assertAndGetBroadcastShape(t,n),this.enableShapeUniforms=xn(this.outputShape.length),this.userCode= `
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float binaryOperation ( float a , float b ) {
$ { e }
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}
void main ( ) {
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float a = getAAtOutCoords ( ) ;
float b = getBAtOutCoords ( ) ;
setOutput ( binaryOperation ( a , b ) ) ;
}
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` }},nu= `
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result . r = isNaN . r ? NAN : result . r ;
result . g = isNaN . g ? NAN : result . g ;
result . b = isNaN . b ? NAN : result . b ;
result . a = isNaN . a ? NAN : result . a ;
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` ,Tl=class{constructor(e,t,n,r=!1){this.variableNames=["A","B"],this.supportsBroadcasting=!0,this.packedInputs=!0,this.packedOutput=!0,this.outputShape=T.assertAndGetBroadcastShape(t,n);let s=this.outputShape.length;this.enableShapeUniforms=xn(s);let a="";if(r)if(s===0||w.sizeFromShape(this.outputShape)===1)a= `
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result . y = 0. ;
result . z = 0. ;
result . w = 0. ;
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` ;else if(a= `
$ { ht ( s ) } coords = getOutputCoords ( ) ;
` ,s===1)this.enableShapeUniforms?a+= `
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result . y = ( coords + 1 ) >= outShape ? 0. : result . y ;
result . z = 0. ;
result . w = 0. ;
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` :a+= `
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result . y = ( coords + 1 ) >= $ { this . outputShape [ 0 ] } ? 0. : result . y ;
result . z = 0. ;
result . w = 0. ;
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` ;else{let i=Cn("coords",s);this.enableShapeUniforms?a+= `
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bool nextRowOutOfBounds =
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( $ { i [ s - 2 ] } + 1 ) >= outShape [ $ { s } - 2 ] ;
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bool nextColOutOfBounds =
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( $ { i [ s - 1 ] } + 1 ) >= outShape [ $ { s } - 1 ] ;
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result . y = nextColOutOfBounds ? 0. : result . y ;
result . z = nextRowOutOfBounds ? 0. : result . z ;
result . w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result . w ;
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` :a+= `
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bool nextRowOutOfBounds =
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( $ { i [ s - 2 ] } + 1 ) >= $ { this . outputShape [ s - 2 ] } ;
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bool nextColOutOfBounds =
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( $ { i [ s - 1 ] } + 1 ) >= $ { this . outputShape [ s - 1 ] } ;
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result . y = nextColOutOfBounds ? 0. : result . y ;
result . z = nextRowOutOfBounds ? 0. : result . z ;
result . w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result . w ;
` }this.userCode= `
vec4 binaryOperation ( vec4 a , vec4 b ) {
$ { e }
}
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void main ( ) {
vec4 a = getAAtOutCoords ( ) ;
vec4 b = getBAtOutCoords ( ) ;
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vec4 result = binaryOperation ( a , b ) ;
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$ { a }
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setOutput ( result ) ;
}
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` }};function sr(e){let{inputs:t,backend:n}=e,{x:r}=t;return n.incRef(r.dataId),{dataId:r.dataId,shape:r.shape,dtype:r.dtype}}var Tee={kernelName:si,backendName:"webgl",kernelFunc:sr};function Oa(e){let{inputs:t,backend:n}=e,{real:r,imag:s}=t,a=n.makeTensorInfo(r.shape,"complex64"),o=n.texData.get(a.dataId),i=sr({inputs:{x:r},backend:n}),u=sr({inputs:{x:s},backend:n});return o.complexTensorInfos={real:i,imag:u},a}var Nee={kernelName:Mf,backendName:"webgl",kernelFunc:Oa},tD="return (a < 0.) ? b * a : a;",nD= `
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vec4 aLessThanZero = vec4 ( lessThan ( a , vec4 ( 0. ) ) ) ;
return ( aLessThanZero * ( b * a ) ) + ( ( vec4 ( 1.0 ) - aLessThanZero ) * a ) ;
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` ;function _ee(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{alpha:a}=r,o=n.makeTensorInfo([],"float32",w.createScalarValue(a,"float32")),i=G().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Tl(nD,s.shape,o.shape):new To(tD,s.shape,o.shape),u=n.runWebGLProgram(i,[s,o],"float32");return n.disposeIntermediateTensorInfo(o),u}var Eee={kernelName:ui,backendName:"webgl",kernelFunc:_ee},rD="return (a < 0.) ? b * a : a;",sD= `
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vec4 aLessThanZero = vec4 ( lessThan ( a , vec4 ( 0. ) ) ) ;
return ( aLessThanZero * ( b * a ) ) + ( ( vec4 ( 1.0 ) - aLessThanZero ) * a ) ;
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` ;function Aee(e){let{inputs:t,backend:n}=e,{x:r,alpha:s}=t,a=G().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Tl(sD,r.shape,s.shape):new To(rD,r.shape,s.shape);return n.runWebGLProgram(a,[r,s],"float32")}var Dee={kernelName:Si,backendName:"webgl",kernelFunc:Aee},Nl="if (isnan(x)) return x;";function Ze({opSnippet:e,packedOpSnippet:t,cpuKernelImpl:n,dtype:r}){return({inputs:s,backend:a})=>{let{x:o}=s,i=a,u=r||o.dtype;if(i.shouldExecuteOnCPU([o])&&n!=null){let p=i.texData.get(o.dataId),d=n(p.values,u);return i.makeTensorInfo(o.shape,u,d)}let c=G().getBool("WEBGL_PACK_UNARY_OPERATIONS")&&t!=null,l;return c?l=new oa(o.shape,t):l=new is(o.shape,e),i.runWebGLProgram(l,[o],u)}}function mn({opSnippet:e,packedOpSnippet:t,checkOutOfBounds:n=!1,supportsComplex:r=!1,cpuKernelImpl:s,dtype:a}){return({inputs:o,backend:i})=>{let{a:u,b:c}=o,l=i;if(r&&u.dtype==="complex64"){let f=l.texData.get(u.dataId),g=l.texData.get(c.dataId),[m,b]=[[f.complexTensorInfos.real,g.complexTensorInfos.real],[f.complexTensorInfos.imag,g.complexTensorInfos.imag]].map(v=>{let[x,k]=v,S={dataId:x.dataId,dtype:x.dtype,shape:u.shape},N={dataId:k.dataId,dtype:k.dtype,shape:c.shape},E=new To(e,u.shape,c.shape);return l.runWebGLProgram(E,[S,N],fr(x.dtype,k.dtype))}),y=Oa({inputs:{real:m,imag:b},backend:l});return l.disposeIntermediateTensorInfo(m),l.disposeIntermediateTensorInfo(b),y}let p=a||fr(u.dtype,c.dtype);if((u.dtype==="string"||c.dtype==="string"||l.shouldExecuteOnCPU([u,c]))&&s!=null){let f=l.texData.get(u.dataId).values,g=l.texData.get(c.dataId).values,m=u.dtype==="string"?T.fromUint8ToStringArray(f):f,b=u.dtype==="string"?T.fromUint8ToStringArray(g):g,[y,v]=s(u.shape,c.shape,m,b,p),x=l.makeTensorInfo(v,p),k=l.texData.get(x.dataId);return k.values=y,x}let d=G().getBool("WEBGL_PACK_BINARY_OPERATIONS")&&t!=null,h;return d?h=new Tl(t,u.shape,c.shape,n):h=new To(e,u.shape,c.shape),l.runWebGLProgram(h,[u,c],p)}}function Fd(e,t=!1){if(e==="linear")return t?lee:aee;if(e==="relu")return t?pee:iee;if(e==="elu")return t?dee:oee;if(e==="relu6")return t?hee:uee;if(e==="prelu")return t?sD:rD;if(e==="leakyrelu")return t?nD:tD;if(e==="sigmoid")return t?fee:cee;throw new Error( ` Activation $ { e } has not been implemented for the WebGL backend . ` )}var aD=class{constructor(e,t,n,r=!1,s=!1,a=!1,o=null,i=!1,u=!1){this.variableNames=["matrixA","matrixB"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n,this.enableShapeUniforms=xn(this.outputShape.length);let c=r?e[1]:e[2],l=Math.ceil(c/2),p=r?"i * 2, rc.y":"rc.y, i * 2",d=s?"rc.z, i * 2":"i * 2, rc.z",h=r?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],f=s?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],g="",m="";o&&(i?g= ` vec4 activation ( vec4 a ) {
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vec4 b = getPreluActivationWeightsAtOutCoords ( ) ;
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$ { o }
} ` :u?g= ` vec4 activation ( vec4 a ) {
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vec4 b = getLeakyreluAlphaAtOutCoords ( ) ;
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$ { o }
} ` :g= ` vec4 activation ( vec4 x ) {
$ { o }
} ` ,m="result = activation(result);");let b=a?"result += getBiasAtOutCoords();":"";a&&this.variableNames.push("bias"),i&&this.variableNames.push("preluActivationWeights"),u&&this.variableNames.push("leakyreluAlpha");let y="rc.x",v="rc.x";e[0]<t[0]?y= ` imod ( rc . x , $ { e [ 0 ] } ) ` :t[0]<e[0]&&(v= ` imod ( rc . x , $ { t [ 0 ] } ) ` ),this.userCode= `
$ { g }
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// Don't use uniform for sharedDimensionPacked for performance.
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const float sharedDimension = $ { l } . 0 ;
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vec4 dot2x2ARowBCol ( ivec3 rc ) {
vec4 result = vec4 ( 0 ) ;
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int batchA = $ { y } ;
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int batchB = $ { v } ;
for ( int i = 0 ; i < $ { l } ; i ++ ) {
vec4 a = getMatrixA ( batchA , $ { p } ) ;
vec4 b = getMatrixB ( batchB , $ { d } ) ;
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// These swizzled products need to be separately added.
// See: https://github.com/tensorflow/tfjs/issues/1735
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result += ( $ { h [ 0 ] } * $ { f [ 0 ] } ) ;
result += ( $ { h [ 1 ] } * $ { f [ 1 ] } ) ;
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}
return result ;
}
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void main ( ) {
ivec3 rc = getOutputCoords ( ) ;
vec4 result = dot2x2ARowBCol ( rc ) ;
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$ { b }
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$ { m }
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setOutput ( result ) ;
}
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` }},D1={REAL:"return areal * breal - aimag * bimag;",IMAG:"return areal * bimag + aimag * breal;"}, $ 1=class{constructor(e,t,n){this.variableNames=["AReal","AImag","BReal","BImag"],this.outputShape=T.assertAndGetBroadcastShape(t,n),this.userCode= `
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float binaryOpComplex (
float areal , float aimag , float breal , float bimag ) {
$ { e }
}
void main ( ) {
float areal = getARealAtOutCoords ( ) ;
float aimag = getAImagAtOutCoords ( ) ;
float breal = getBRealAtOutCoords ( ) ;
float bimag = getBImagAtOutCoords ( ) ;
setOutput ( binaryOpComplex ( areal , aimag , breal , bimag ) ) ;
}
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` }},F1="return a * b;";function y0(e){let{inputs:t,backend:n}=e,{a:r,b:s}=t,a=T.upcastType(r.dtype,s.dtype);if(r.dtype==="complex64"){let i=n.texData.get(r.dataId),u=n.texData.get(s.dataId),c=new $ 1(D1.REAL,r.shape,s.shape),l=new $ 1(D1.IMAG,r.shape,s.shape),p=[{dataId:i.complexTensorInfos.real.dataId,dtype:i.complexTensorInfos.real.dtype,shape:r.shape},{dataId:i.complexTensorInfos.imag.dataId,dtype:i.complexTensorInfos.imag.dtype,shape:r.shape},{dataId:u.complexTensorInfos.real.dataId,dtype:u.complexTensorInfos.real.dtype,shape:s.shape},{dataId:u.complexTensorInfos.imag.dataId,dtype:u.complexTensorInfos.imag.dtype,shape:s.shape}],d=n.runWebGLProgram(c,p,"float32"),h=n.runWebGLProgram(l,p,"float32"),f=Oa({inputs:{real:d,imag:h},backend:n});return n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(h),f}if(n.shouldExecuteOnCPU([r,s])){let i=n.texData.get(r.dataId),u=n.texData.get(s.dataId),[c,l]=_Q(r.shape,s.shape,i.values,u.values,a),p=n.makeTensorInfo(l,a),d=n.texData.get(p.dataId);return d.values=c,p}let o;return G().getBool("WEBGL_PACK_BINARY_OPERATIONS")?o=new Tl(F1,r.shape,s.shape):o=new To(F1,r.shape,s.shape),n.runWebGLProgram(o,[r,s],a)}var $ ee={kernelName:xi,backendName:"webgl",kernelFunc:y0};function Fee(e,t,n){let r=[So(e.shape),...Co(e.shape)],s={dtype:e.dtype,shape:r,dataId:e.dataId},a=[So(t),...Co(t)],o=new JA(a,r),i=!0,u=[r],c=n.runWebGLProgram(o,[s],e.dtype,u,i);return{dataId:c.dataId,shape:t,dtype:c.dtype}}function pe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{shape:a}=r,o=n,i=w.sizeFromShape(s.shape),u=w.inferFromImplicitShape(a,i),c=w.sizeFromShape(u);w.assert(i===c,()=> ` The new shape ( $ { u } ) has $ { c } elements and the old shape ( $ { s . shape } ) has $ { i } elements . The new shape and old shape must have the same number of elements . ` );let l=o.texData.get(s.dataId);return l.isPacked&&! $ d(s.shape,u)&&!(l.texture!==null&& $ d(l.shape,u))?Fee(s,u,o):(o.incRef(s.dataId),{dataId:s.dataId,shape:u,dtype:s.dtype})}var Ree={kernelName:qc,backendName:"webgl",kernelFunc:pe},R1=class{constructor(e,t){this.variableNames=["x"];let{windowSize:n,batchSize:r,inSize:s,outSize:a}=e;this.outputShape=[r,a];let o=Math.floor(n/4)*4,i=n%4,u="sumValue += dot(values, ones);";if(t!=null){let l=1/t;u= ` sumValue += dot ( values * $ { w . isInt ( l ) ? l . toPrecision ( 2 ) : l } , ones ) ; ` }let c="";s%n>0&&(c= `
if ( inIdx < 0 || inIdx >= $ { s } ) {
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return 0.0 ;
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}
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` ),this.userCode= `
const vec4 ones = vec4 ( 1.0 , 1.0 , 1.0 , 1.0 ) ;
float getValue ( int batch , int inIdx ) {
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$ { c }
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return getX ( batch , inIdx ) ;
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}
void main ( ) {
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ivec2 coords = getOutputCoords ( ) ;
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int batch = coords [ 0 ] ;
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int outIdx = coords [ 1 ] ;
int inOffset = outIdx * $ { n } ;
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float sumValue = 0.0 ;
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for ( int i = 0 ; i < $ { o } ; i += 4 ) {
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int inIdx = inOffset + i ;
vec4 values = vec4 (
getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) ,
getValue ( batch , inIdx + 2 ) ,
getValue ( batch , inIdx + 3 )
) ;
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$ { u }
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}
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int inIdx = inOffset + $ { o } ;
if ( $ { i === 1 } ) {
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vec4 values = vec4 ( getValue ( batch , inIdx ) , 0.0 , 0.0 , 0.0 ) ;
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$ { u }
} else if ( $ { i === 2 } ) {
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vec4 values = vec4 (
getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) , 0.0 , 0.0 ) ;
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$ { u }
} else if ( $ { i === 3 } ) {
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vec4 values = vec4 (
getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) ,
getValue ( batch , inIdx + 2 ) , 0.0 ) ;
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$ { u }
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}
setOutput ( sumValue ) ;
}
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` }},Pee=class{constructor(e,t){this.variableNames=["x"];let{windowSize:n,batchSize:r,inSize:s,outSize:a}=e;this.outputShape=[r,a];let o="0.0",i="";t==="prod"?o="1.0":t==="min"?(o="1.0 / 1e-20",i="min"):t==="max"&&(o="-1.0 / 1e-20",i="max");let u= ` $ { t } ( $ { t } ( $ { t } ( minMaxValue [ 0 ] , minMaxValue [ 1 ] ) , minMaxValue [ 2 ] ) , minMaxValue [ 3 ] ) ` ;t==="sum"?u="sumValue":t==="prod"?u="prodValue":t==="all"?u="allValue":t==="any"&&(u="anyValue");let c=Math.floor(n/4)*4,l=n%4,p= `
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if ( $ { t === "sum" } ) {
sumValue += dot ( values , ones ) ;
} else if ( $ { t === "prod" } ) {
vec2 tmp = vec2 ( values [ 0 ] , values [ 1 ] ) * vec2 ( values [ 2 ] , values [ 3 ] ) ;
prodValue *= tmp [ 0 ] * tmp [ 1 ] ;
} else {
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minMaxValue = $ { i } ( values , minMaxValue ) ;
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if ( $ { t === "min" } || $ { t === "max" } ) {
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minMaxValue = $ { i } ( values , minMaxValue ) ;
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bvec4 isNaN = isnan ( values ) ;
if ( isNaN . r || isNaN . g || isNaN . b || isNaN . a ) {
minMaxValue = vec4 ( NAN ) ;
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}
}
}
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` ,d="vec4";t==="all"?(o="1.0",p= `
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bool reducedAllValue = all ( values ) ;
float floatedReducedAllValue = float ( reducedAllValue ) ;
allValue = float ( allValue >= 1.0 && floatedReducedAllValue >= 1.0 ) ;
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` ,d="bvec4"):t==="any"&&(o="0.0",p= `
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bool reducedAnyValue = any ( values ) ;
float floatedReducedAnyValue = float ( reducedAnyValue ) ;
anyValue = float ( anyValue >= 1.0 || floatedReducedAnyValue >= 1.0 ) ;
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` ,d="bvec4");let h="";s%n>0&&(h= `
if ( inIdx < 0 || inIdx >= $ { s } ) {
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return initializationValue ;
}
` ),this.userCode= `
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const float initializationValue = $ { o } ;
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const vec4 ones = vec4 ( 1.0 , 1.0 , 1.0 , 1.0 ) ;
float getValue ( int batch , int inIdx ) {
$ { h }
return getX ( batch , inIdx ) ;
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}
void main ( ) {
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ivec2 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
int outIdx = coords [ 1 ] ;
int inOffset = outIdx * $ { n } ;
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vec4 minMaxValue = vec4 ( $ { o } ) ;
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float prodValue = 1.0 ;
float sumValue = 0.0 ;
float allValue = 1.0 ;
float anyValue = 0.0 ;
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for ( int i = 0 ; i < $ { c } ; i += 4 ) {
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int inIdx = inOffset + i ;
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$ { d } values = $ { d } (
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getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) ,
getValue ( batch , inIdx + 2 ) ,
getValue ( batch , inIdx + 3 )
) ;
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$ { p }
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}
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int inIdx = inOffset + $ { c } ;
if ( $ { l === 1 } ) {
$ { d } values = $ { d } (
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getValue ( batch , inIdx ) ,
initializationValue ,
initializationValue ,
initializationValue
) ;
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$ { p }
} else if ( $ { l === 2 } ) {
$ { d } values = $ { d } (
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getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) ,
initializationValue ,
initializationValue
) ;
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$ { p }
} else if ( $ { l === 3 } ) {
$ { d } values = $ { d } (
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getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) ,
getValue ( batch , inIdx + 2 ) ,
initializationValue
) ;
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$ { p }
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}
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setOutput ( $ { u } ) ;
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}
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` }};function Oee(e){let t=[];for(;t.length===0||t[t.length-1].outSize!==1;){let n=t.length?t[t.length-1].outSize:e[1],r=T.computeOptimalWindowSize(n);t.push({inSize:n,windowSize:r,outSize:Math.ceil(n/r)})}return t}function ru(e,t,n,r){let s=Oee(e.shape),a=e;for(let o=0;o<s.length;o++){let{inSize:i,windowSize:u,outSize:c}=s[o],l,p;n==="mean"?l=o===0?new R1({windowSize:u,inSize:i,batchSize:e.shape[0],outSize:c},i):new R1({windowSize:u,inSize:i,batchSize:e.shape[0],outSize:c}):l=new Pee({windowSize:u,inSize:i,batchSize:e.shape[0],outSize:c},n),p=a,a=r.runWebGLProgram(l,[a],t),p.dataId!==e.dataId&&r.disposeIntermediateTensorInfo(p)}return a}var Mee=class{constructor(e,t){this.variableNames=["A"];let n=new Array(e.length);for(let a=0;a<n.length;a++)n[a]=e[t[a]];this.outputShape=n,this.rank=n.length;let r=ht(this.rank),s=Lee(t);this.userCode= `
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void main ( ) {
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$ { r } resRC = getOutputCoords ( ) ;
setOutput ( getA ( $ { s } ) ) ;
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}
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` }};function Lee(e){let t=e.length;if(t>6)throw Error( ` Transpose for rank $ { t } is not yet supported ` );let n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u","resRC.v"],r=new Array(t);for(let s=0;s<e.length;s++)r[e[s]]=n[s];return r.join()}var Bee=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;let n=new Array(e.length);for(let c=0;c<n.length;c++)n[c]=e[t[c]];if(this.outputShape=n,this.rank=n.length,this.rank>6)throw Error( ` Packed transpose for rank $ { this . rank } is not yet supported . ` );let r=ht(this.rank),s=ZA("rc",this.rank),a=new Array(this.rank);for(let c=0;c<t.length;c++)a[t[c]]=s[c];let o= ` vec2 ( $ { a . slice ( - 2 ) . join ( ) } ) ` ,i= ` ++ $ { s [ this . rank - 1 ] } < $ { n [ this . rank - 1 ] } ` ,u= ` getChannel ( getA ( $ { a . join ( ) } ) , $ { o } ) ` ;this.userCode= `
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void main ( ) {
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$ { r } rc = getOutputCoords ( ) ;
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vec4 result = vec4 ( 0. ) ;
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result [ 0 ] = $ { u } ;
if ( $ { i } ) {
result [ 1 ] = $ { u } ;
}
-- $ { s [ this . rank - 1 ] } ;
if ( ++ $ { s [ this . rank - 2 ] } < $ { n [ this . rank - 2 ] } ) {
result [ 2 ] = $ { u } ;
if ( $ { i } ) {
result [ 3 ] = $ { u } ;
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}
}
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setOutput ( result ) ;
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}
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` }};function tg(e,t,n){let r=G().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new Bee(e.shape,t):new Mee(e.shape,t);return n.runWebGLProgram(r,[e],e.dtype)}function zee(e,t,n,r){let s=t,a=e.shape.length,o=w.parseAxisParam(s,e.shape),i=o,u=T.getAxesPermutation(i,a),c=u!=null,l=e;c&&(l=tg(e,u,r),i=T.getInnerMostAxes(i.length,a)),T.assertAxesAreInnerMostDims("sum",i,a);let[p,d]=T.computeOutAndReduceShapes(l.shape,i),h=p;n&&(h=T.expandShapeToKeepDim(p,o));let f=w.sizeFromShape(d),m=w.sizeFromShape(e.shape)/f,b=pe({inputs:{x:l},attrs:{shape:[m,f]},backend:r}),y=Zf(e.dtype),v=ru(b,y,"sum",r),x=pe({inputs:{x:v},attrs:{shape:h},backend:r});return r.disposeIntermediateTensorInfo(b),r.disposeIntermediateTensorInfo(v),c&&r.disposeIntermediateTensorInfo(l),x}function ng(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r;return zee(s,a,o,n)}var Wee={kernelName:Wi,backendName:"webgl",kernelFunc:ng};function Tn(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{perm:a}=r,o=n,i=s.shape.length,u=new Array(i);for(let l=0;l<u.length;l++)u[l]=s.shape[a[l]];let c;if(o.shouldExecuteOnCPU([s])){let p=o.texData.get(s.dataId).values,d=m0(p,s.shape,s.dtype,a,u);c=o.makeTensorInfo(u,s.dtype);let h=o.texData.get(c.dataId);h.values=d}else c=tg(s,a,o);return c}var Vee={kernelName:_s,backendName:"webgl",kernelFunc:Tn},oD=1e3;function Ef({a:e,b:t,transposeA:n,transposeB:r,backend:s,bias:a=null,preluActivationWeights:o=null,leakyreluAlpha:i=0,activation:u=null}){let c=e.shape.length,l=t.shape.length,p=n?e.shape[c-2]:e.shape[c-1],d=r?t.shape[l-1]:t.shape[l-2],h=n?e.shape[c-1]:e.shape[c-2],f=r?t.shape[l-2]:t.shape[l-1],g=e.shape.slice(0,-2),m=t.shape.slice(0,-2),b=w.sizeFromShape(g),y=w.sizeFromShape(m),x=dl.assertAndGetBroadcastShape(e.shape.slice(0,-2),t.shape.slice(0,-2)).concat([h,f]);w.assert(p===d,()=> ` Error in matMul : inner shapes ( $ { p } ) and ( $ { d } ) of Tensors with shapes $ { e . shape } and $ { t . shape } and transposeA = $ { n } and transposeB = $ { r } must match . ` );let k=n?[b,p,h]:[b,h,p],S=r?[y,f,d]:[y,d,f],N=pe({inputs:{x:e},backend:s,attrs:{shape:k}}),E=pe({inputs:{x:t},backend:s,attrs:{shape:S}}), $ =[N,E],F=Math.max(b,y),D=n?N.shape[1]:N.shape[2],R=a!=null,C=o!=null,L=u==="leakyrelu",U=u!=null?Fd(u,!0):null,H=R||C||L||U!=null,K;if((h===1||f===1)&&D>oD&&H===!1){let Z=N,J=E;n&&(Z=Tn({inputs:{x:N},backend:s,attrs:{perm:[0,2,1]}}), $ .push(Z)),r&&(J=Tn({inputs:{x:E},backend:s,attrs:{perm:[0,2,1]}}), $ .push(J));let ee=f!==1,se=f===1,te=Z;ee&&(te=pe({inputs:{x:Z},backend:s,attrs:{shape:[F,D,1]}}), $ .push(te));let oe=f===1?2:1,ne=J;se&&(ne=pe({inputs:{x:J},backend:s,attrs:{shape:[F,1,D]}}), $ .push(ne));let de=y0({inputs:{a:te,b:ne},backend:s});K=ng({inputs:{x:de},backend:s,attrs:{axis:oe,keepDims:!0}}), $ .push(de)}else{let Z=fr(e.dtype,t.dtype),J=new aD(k,S,[F,h,f],n,r,R,U,C,L),ee=[N,E];if(a!=null&&ee.push(a),C&&ee.push(o),L){let se=s.makeTensorInfo([],"float32",w.createScalarValue(i,"float32"));ee.push(se), $ .push(se)}K=s.runWebGLProgram(J,ee,Z)}let q=pe({inputs:{x:K},backend:s,attrs:{shape:x}}); $ .push(K);for(let Z of $ )s.disposeIntermediateTensorInfo(Z);return q}function Uee(e){let{inputs:t,backend:n,attrs:r}=e,{a:s,b:a,bias:o,preluActivationWeights:i}=t,{transposeA:u,transposeB:c,activation:l,leakyreluAlpha:p}=r;return Ef({a:s,b:a,transposeA:u,transposeB:c,backend:n,bias:o,preluActivationWeights:i,leakyreluAlpha:p,activation:l})}var Gee={kernelName:uo,backendName:"webgl",kernelFunc:Uee},P1="return abs(x);";function Hee(e){let{inputs:t,backend:n}=e,{x:r}=t;if(n.shouldExecuteOnCPU([r])&&r.dtype!=="complex64"){let a=n.texData.get(r.dataId),o=XA(a.values);return n.makeTensorInfo(r.shape,r.dtype,o)}let s;return G().getBool("WEBGL_PACK_UNARY_OPERATIONS")?s=new oa(r.shape,P1):s=new is(r.shape,P1),n.runWebGLProgram(s,[r],r.dtype)}var jee={kernelName:cc,backendName:"webgl",kernelFunc:Hee},qee=Or+ `
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if ( abs ( x ) > 1. ) {
return NAN ;
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}
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return acos ( x ) ;
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` ,Kee=Ze({opSnippet:qee}),Xee={kernelName:Eo,backendName:"webgl",kernelFunc:Kee},Yee=Or+ `
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if ( x < 1.0 ) return NAN ;
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return log ( x + sqrt ( x * x - 1.0 ) ) ; ` ,Zee=Ze({opSnippet:Yee}),Jee={kernelName:Ao,backendName:"webgl",kernelFunc:Zee},O1="return a + b;",Qee=mn({opSnippet:O1,packedOpSnippet:O1,supportsComplex:!0,cpuKernelImpl:iQ}),ete={kernelName:Sa,backendName:"webgl",kernelFunc:Qee},tte=class{constructor(e,t){this.outputShape=[],this.outputShape=e,this.variableNames=t.map((s,a)=> ` T$ { a } ` );let n=[];this.variableNames.forEach(s=>{n.push( ` float v$ { s } = get$ { s } AtOutCoords ( ) ; ` )});let r=this.variableNames.map(s=> ` v$ { s } ` ).join(" + ");this.userCode= `
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void main ( ) {
$ { n . join ( `
` )}
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float result = $ { r } ;
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setOutput ( result ) ;
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}
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` }},nte=class{constructor(e,t){this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.variableNames=t.map((s,a)=> ` T$ { a } ` );let n=[];this.variableNames.forEach(s=>{n.push( ` vec4 v$ { s } = get$ { s } AtOutCoords ( ) ; ` )});let r=this.variableNames.map(s=> ` v$ { s } ` ).join(" + ");this.userCode= `
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void main ( ) {
$ { n . join ( `
` )}
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vec4 result = $ { r } ;
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setOutput ( result ) ;
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}
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` }};function nf(e){let{inputs:t,backend:n}=e,r=t;if(r.length===1)return sr({inputs:{x:r[0]},backend:n});if(r.length>G().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){let u=Math.floor(r.length/2),c=nf({inputs:r.slice(0,u),backend:n}),l=nf({inputs:r.slice(u),backend:n});return nf({inputs:[c,l],backend:n})}let s=r.map(u=>u.dtype).reduce((u,c)=>fr(u,c)),a=r.map(u=>u.shape),i=G().getBool("WEBGL_PACK")?new nte(r[0].shape,a):new tte(r[0].shape,a);return n.runWebGLProgram(i,r,s)}var rte={kernelName:Do,backendName:"webgl",kernelFunc:nf};function ste(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=s.shape.length,u=w.parseAxisParam(a,s.shape),c=u,l=T.getAxesPermutation(c,i),p=s;l!=null&&(p=Tn({inputs:{x:s},backend:n,attrs:{perm:l}}),c=T.getInnerMostAxes(c.length,i)),T.assertAxesAreInnerMostDims("all",c,i);let[d,h]=T.computeOutAndReduceShapes(p.shape,c),f=w.sizeFromShape(h),g=pe({inputs:{x:p},backend:n,attrs:{shape:[-1,f]}}),m=ru(g,g.dtype,"all",n),b;if(o){let y=T.expandShapeToKeepDim(d,u);b=pe({inputs:{x:m},backend:n,attrs:{shape:y}})}else b=pe({inputs:{x:m},backend:n,attrs:{shape:d}});return n.disposeIntermediateTensorInfo(g),n.disposeIntermediateTensorInfo(m),l!=null&&n.disposeIntermediateTensorInfo(p),b}var ate={kernelName:lc,backendName:"webgl",kernelFunc:ste};function ote(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=s.shape.length,u=w.parseAxisParam(a,s.shape),c=u,l=T.getAxesPermutation(c,i),p=s;l!=null&&(p=Tn({inputs:{x:s},backend:n,attrs:{perm:l}}),c=T.getInnerMostAxes(c.length,i)),T.assertAxesAreInnerMostDims("any",c,i);let[d,h]=T.computeOutAndReduceShapes(p.shape,c),f=w.sizeFromShape(h),g=pe({inputs:{x:p},backend:n,attrs:{shape:[-1,f]}}),m=ru(g,g.dtype,"any",n),b;if(o){let y=T.expandShapeToKeepDim(d,u);b=pe({inputs:{x:m},backend:n,attrs:{shape:y}})}else b=pe({inputs:{x:m},backend:n,attrs:{shape:d}});return n.disposeIntermediateTensorInfo(g),n.disposeIntermediateTensorInfo(m),l!=null&&n.disposeIntermediateTensorInfo(p),b}var ite={kernelName:dc,backendName:"webgl",kernelFunc:ote},ute=class{constructor(e,t,n){this.variableNames=["A"];let{windowSize:r,batchSize:s,outSize:a}=e;n||this.variableNames.push("bestIndicesA"),this.outputShape=[s,a];let o=t==="max"?">":"<",i=n?"inOffset + i;":"round(getBestIndicesA(batch, inOffset + i));";this.userCode= `
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void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
int outIdx = coords [ 1 ] ;
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int inOffset = outIdx * $ { r } ;
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int bestIndex = inOffset ;
float bestValue = getA ( batch , bestIndex ) ;
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for ( int i = 0 ; i < $ { r } ; i ++ ) {
int inIdx = $ { i } ;
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float candidate = getA ( batch , inIdx ) ;
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if ( candidate $ { o } bestValue ) {
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bestValue = candidate ;
bestIndex = inIdx ;
}
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}
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setOutput ( float ( bestIndex ) ) ;
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}
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` }},cte=class{constructor(e,t,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,w.assert(e.length>2,()=> ` Packed arg$ { n . charAt ( 0 ) . toUpperCase ( ) + n . slice ( 1 ) } supports only inputs with rank above 2. ` );let s=e[e.length-1],a=Math.ceil(s/t);this.outputShape=e.slice(0,-1),a>1&&this.outputShape.push(a),r||this.variableNames.push("bestIndicesA");let o=this.outputShape,i=o.length,u=ht(i),c=Cn("coords",i),l,p;if(a===1){p=i+1;let N=ht(p);l= `
$ { N } sourceLocR = $ { N } ( $ { c . join ( ) } , 0 ) ;
++ $ { c [ i - 1 ] } ;
$ { N } sourceLocG = $ { N } ( $ { c . join ( ) } , 0 ) ;
++ $ { c [ i - 2 ] } ;
$ { N } sourceLocA = $ { N } ( $ { c . join ( ) } , 0 ) ;
-- $ { c [ i - 1 ] } ;
$ { N } sourceLocB = $ { N } ( $ { c . join ( ) } , 0 ) ;
-- $ { c [ i - 2 ] } ; ` }else p=i,l= `
$ { u } sourceLocR = coords ;
++ $ { c [ i - 1 ] } ;
$ { u } sourceLocG = coords ;
++ $ { c [ i - 2 ] } ;
$ { u } sourceLocA = coords ;
-- $ { c [ i - 1 ] } ;
$ { u } sourceLocB = coords ;
-- $ { c [ i - 2 ] } ; ` ;let d=["x","y","z","w","u","v"].slice(0,p),h="."+d[p-1],f=d.map(N=>"int "+N),g=Cn("sourceLocR",p-1).concat("inIdx.r"),m=Cn("sourceLocG",p-1).concat("inIdx.g"),b=Cn("sourceLocB",p-1).concat("inIdx.b"),y=Cn("sourceLocA",p-1).concat("inIdx.a"),v=n==="max"?"greaterThan":"lessThan",x=r?"": `
inIdx = round ( vec4 ( getBestIndicesAChannel ( $ { g . join ( ) } ) ,
getBestIndicesAChannel ( $ { m . join ( ) } ) ,
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getBestIndicesAChannel ( $ { b . join ( ) } ) ,
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getBestIndicesAChannel ( $ { y . join ( ) } ) ) ) ; ` ,k= ` vec4 (
getAChannel ( $ { g . join ( ) } ) ,
hasNextCol ? getAChannel ( $ { m . join ( ) } ) : 0. ,
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hasNextRow ? getAChannel ( $ { b . join ( ) } ) : 0. ,
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hasNextRow && hasNextCol ? getAChannel ( $ { y . join ( ) } ) : 0. ) ` ,S=r?"": `
float getBestIndicesAChannel ( $ { f . join ( ) } ) {
return getChannel ( getBestIndicesA ( $ { d . join ( ) } ) ,
vec2 ( $ { d . slice ( - 2 ) . join ( ) } ) ) ;
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} ` ;this.userCode= `
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float getAChannel ( $ { f . join ( ) } ) {
return getChannel ( getA ( $ { d . join ( ) } ) ,
vec2 ( $ { d . slice ( - 2 ) . join ( ) } ) ) ;
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}
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$ { S }
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void main ( ) {
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$ { u } coords = getOutputCoords ( ) ;
bool hasNextCol = $ { c [ i - 1 ] } < $ { o [ i - 1 ] - 1 } ;
bool hasNextRow = $ { c [ i - 2 ] } < $ { o [ i - 2 ] - 1 } ;
$ { l }
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ivec4 srcIdx = ivec4 ( sourceLocR$ { h } , sourceLocG$ { h } ,
sourceLocB$ { h } , sourceLocA$ { h } ) * $ { t } ;
ivec4 inIdx = srcIdx ;
vec4 bestIndex = vec4 ( inIdx ) ;
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vec4 bestValue = $ { k } ;
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for ( int i = 0 ; i < $ { t } ; i ++ ) {
inIdx = srcIdx ;
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$ { x }
vec4 candidate = $ { k } ;
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bvec4 nan = isnan ( candidate ) ;
bvec4 replace = bvec4 (
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vec4 ( $ { v } ( candidate , bestValue ) ) * ( vec4 ( 1.0 ) - vec4 ( nan ) ) ) ;
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bestValue = vec4 ( replace . x ? candidate . x : bestValue . x ,
replace . y ? candidate . y : bestValue . y ,
replace . z ? candidate . z : bestValue . z ,
replace . w ? candidate . w : bestValue . w ) ;
bestIndex = mix ( bestIndex , vec4 ( inIdx ) , vec4 ( replace ) ) ;
srcIdx ++ ;
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}
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setOutput ( bestIndex ) ;
}
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` }};function iD(e,t,n,r=null){let s=t.shape[0],a=t.shape[1];r!=null&&(s=r.shape[0],a=r.shape[1]);let o=T.computeOptimalWindowSize(a),i={windowSize:o,inSize:a,batchSize:s,outSize:Math.ceil(a/o)},u=new ute(i,n,r==null),c=[t];r!=null&&c.push(r);let l=e.runWebGLProgram(u,c,"int32");if(l.shape[1]===1)return l;let p=iD(e,t,n,l);return e.disposeIntermediateTensorInfo(l),p}function uD(e,t,n,r=null){let s=r!=null?r.shape:t.shape,a=s[s.length-1],o=T.computeOptimalWindowSize(a),i=new cte(s,o,n,r==null),u=r==null?[t]:[t,r],c=e.runWebGLProgram(i,u,"int32");if(c.shape.length===t.shape.length){let l=uD(e,t,n,c);return e.disposeIntermediateTensorInfo(c),l}return c}function cD(e,t,n,r){let s=[n];if(T.assertAxesAreInnerMostDims("arg"+r.charAt(0).toUpperCase()+r.slice(1),s,t.shape.length),!G().getBool("WEBGL_PACK_REDUCE")||t.shape.length<=2){let a=[],o=e.texData.get(t.dataId),i=o!==null&&o.isPacked,u=t;i&&(u=e.unpackTensor(t),a.push(u));let[c,l]=T.computeOutAndReduceShapes(u.shape,s),p=w.sizeFromShape(l),d=pe({inputs:{x:u},backend:e,attrs:{shape:[-1,p]}});a.push(d);let h=iD(e,d,r);a.push(h);let f=pe({inputs:{x:h},backend:e,attrs:{shape:c}});return a.forEach(g=>e.disposeIntermediateTensorInfo(g)),f}return uD(e,t,r)}function lte(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a}=r,o=w.parseAxisParam(a,s.shape),i=T.getAxesPermutation(o,s.shape.length),u=s,c=[];i!=null&&(u=Tn({inputs:{x:s},backend:n,attrs:{perm:i}}),c.push(u),o=T.getInnerMostAxes(o.length,u.shape.length)),T.assertAxesAreInnerMostDims("argMax",[o[0]],u.shape.length);let l=cD(n,u,o[0],"max");return c.forEach(p=>n.disposeIntermediateTensorInfo(p)),l}var dte={kernelName:pc,backendName:"webgl",kernelFunc:lte};function pte(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a}=r,o=w.parseAxisParam(a,s.shape),i=T.getAxesPermutation(o,s.shape.length),u=s,c=[];i!=null&&(u=Tn({inputs:{x:s},backend:n,attrs:{perm:i}}),c.push(u),o=T.getInnerMostAxes(o.length,u.shape.length)),T.assertAxesAreInnerMostDims("argMin",[o[0]],u.shape.length);let l=cD(n,u,o[0],"min");return c.forEach(p=>n.disposeIntermediateTensorInfo(p)),l}var hte={kernelName:hc,backendName:"webgl",kernelFunc:pte},fte=Or+ `
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if ( abs ( x ) > 1. ) {
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return NAN ;
}
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return asin ( x ) ;
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` ,mte=Ze({opSnippet:fte}),gte={kernelName: $ o,backendName:"webgl",kernelFunc:mte},bte=Or+"return log(x + sqrt(x * x + 1.0));",yte=Ze({opSnippet:bte}),vte={kernelName:Fo,backendName:"webgl",kernelFunc:yte},xte=Or+ `
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return atan ( x ) ;
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` ,wte=Ze({opSnippet:xte}),Ite={kernelName:Ro,backendName:"webgl",kernelFunc:wte},kte=b0+ `
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return atan ( a , b ) ;
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` ,Ste= `
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vec4 result = atan ( a , b ) ;
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bvec4 isNaNA = isnan ( a ) ;
bvec4 isNaNB = isnan ( b ) ;
bvec4 isNaN = bvec4 ( isNaNA . x || isNaNB . x , isNaNA . y || isNaNB . y , isNaNA . z || isNaNB . z , isNaNA . w || isNaNB . w ) ;
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` +nu+ `
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return result ;
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` ,Cte=mn({opSnippet:kte,packedOpSnippet:Ste}),Tte={kernelName:Oo,backendName:"webgl",kernelFunc:Cte},Nte=Or+ `
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if ( ( x < - 1.0 ) || ( x > 1.0 ) ) return NAN ;
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return ( log ( 1.0 + x ) - log ( 1.0 - x ) ) / 2.0 ; ` ,_te=Ze({opSnippet:Nte}),Ete={kernelName:Po,backendName:"webgl",kernelFunc:_te},Rd=class{constructor(e,t,n,r=!1,s=!1){if(this.variableNames=["x"],t==="avg"&&n)throw new Error("Cannot compute positions for average pool.");let a=e.filterWidth,o=e.strideHeight,i=e.strideWidth,u=e.dilationHeight,c=e.dilationWidth,l=e.effectiveFilterHeight,p=e.effectiveFilterWidth,d=e.padInfo.top,h=e.padInfo.left;this.outputShape=e.outShape;let f=t==="avg",g= ` ( ( batch * $ { e . inHeight } + xR ) * $ { e . inWidth } + xC ) * $ { e . inChannels } + d ` ,m= ` ( xR * $ { e . inWidth } + xC ) * $ { e . inChannels } + d ` ,b="0.0";if(f||(b="-1.0 / 1e-20"),n){let N=">=";this.userCode= `
const ivec2 strides = ivec2 ( $ { o } , $ { i } ) ;
const ivec2 pads = ivec2 ( $ { d } , $ { h } ) ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
int d = coords [ 3 ] ;
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ivec2 xRCCorner = coords . yz * strides - pads ;
int xRCorner = xRCCorner . x ;
int xCCorner = xRCCorner . y ;
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// max/min x(?, ?, d) to get y(yR, yC, d).
// ? = to be determined
float minMaxValue = 0.0 ;
float minMaxValueFound = 0.0 ;
int minMaxPosition = 0 ;
float avgValue = 0.0 ;
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for ( int wR = 0 ; wR < $ { l } ;
wR += $ { u } ) {
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int xR = xRCorner + wR ;
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if ( xR < 0 || xR >= $ { e . inHeight } ) {
continue ;
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}
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for ( int wC = 0 ; wC < $ { p } ;
wC += $ { c } ) {
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int xC = xCCorner + wC ;
if ( xC < 0 || xC >= $ { e . inWidth } ) {
continue ;
}
float value = getX ( batch , xR , xC , d ) ;
// If a min / max value has already been found, use it. If not,
// use the current value.
float currMinMaxValue = mix (
value , minMaxValue , minMaxValueFound ) ;
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if ( value $ { N } currMinMaxValue ) {
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minMaxValue = value ;
minMaxValueFound = 1.0 ;
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minMaxPosition = $ { r ? s ? g : m : ` wR * ${ p } + wC ` } ;
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}
}
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}
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setOutput ( float ( minMaxPosition ) ) ;
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}
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` ;return}let y="max",v= ` $ { t } ( $ { t } ( $ { t } ( minMaxValue [ 0 ] , minMaxValue [ 1 ] ) , minMaxValue [ 2 ] ) , minMaxValue [ 3 ] ) ` ;t==="avg"&&(v="avgValue / max(count, 1.0)");let x=Math.floor(a/4)*4,k=a%4,S= `
if ( $ { f } ) {
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avgValue += dot ( values , ones ) ;
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} else {
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minMaxValue = $ { y } ( values , minMaxValue ) ;
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}
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` ;this.userCode= `
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const ivec2 strides = ivec2 ( $ { o } , $ { i } ) ;
const ivec2 pads = ivec2 ( $ { d } , $ { h } ) ;
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const float initializationValue = $ { b } ;
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const vec4 ones = vec4 ( 1.0 , 1.0 , 1.0 , 1.0 ) ;
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float count = 0.0 ;
float getValue ( int batch , int xR , int xC , int d ) {
if ( xC < 0 || xC >= $ { e . inWidth } ) {
return initializationValue ;
}
count += 1.0 ;
return getX ( batch , xR , xC , d ) ;
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}
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
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int batch = coords [ 0 ] ;
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int d = coords [ 3 ] ;
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ivec2 xRCCorner = coords . yz * strides - pads ;
int xRCorner = xRCCorner . x ;
int xCCorner = xRCCorner . y ;
// max/min x(?, ?, d) to get y(yR, yC, d).
// ? = to be determined
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vec4 minMaxValue = vec4 ( $ { b } ) ;
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float avgValue = 0.0 ;
count = 0.0 ;
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for ( int wR = 0 ; wR < $ { l } ;
wR += $ { u } ) {
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int xR = xRCorner + wR ;
if ( xR < 0 || xR >= $ { e . inHeight } ) {
continue ;
}
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for ( int wC = 0 ; wC < $ { x } ; wC += 4 ) {
int xC = xCCorner + wC * $ { c } ;
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vec4 values = vec4 (
getValue ( batch , xR , xC , d ) ,
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getValue ( batch , xR , xC + $ { c } , d ) ,
getValue ( batch , xR , xC + 2 * $ { c } , d ) ,
getValue ( batch , xR , xC + 3 * $ { c } , d )
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) ;
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$ { S }
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}
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int xC = xCCorner + $ { x } ;
if ( $ { k === 1 } ) {
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vec4 values = vec4 (
getValue ( batch , xR , xC , d ) ,
initializationValue ,
initializationValue ,
initializationValue
) ;
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$ { S }
} else if ( $ { k === 2 } ) {
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vec4 values = vec4 (
getValue ( batch , xR , xC , d ) ,
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getValue ( batch , xR , xC + $ { c } , d ) ,
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initializationValue ,
initializationValue
) ;
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$ { S }
} else if ( $ { k === 3 } ) {
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vec4 values = vec4 (
getValue ( batch , xR , xC , d ) ,
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getValue ( batch , xR , xC + $ { c } , d ) ,
getValue ( batch , xR , xC + 2 * $ { c } , d ) ,
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initializationValue
) ;
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$ { S }
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}
}
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setOutput ( $ { v } ) ;
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}
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` }},v0=class{constructor(e,t,n,r=!1,s=!1){if(this.variableNames=["x"],t==="avg"&&n)throw new Error("Cannot compute positions for average pool.");let a=e.filterWidth,o=e.strideDepth,i=e.strideHeight,u=e.strideWidth,c=e.dilationDepth,l=e.dilationHeight,p=e.dilationWidth,d=e.effectiveFilterDepth,h=e.effectiveFilterHeight,f=e.effectiveFilterWidth,g=e.padInfo.front,m=e.padInfo.top,b=e.padInfo.left;this.outputShape=e.outShape;let y=t==="avg",v="0.0";if(y||(v="-1.0 / 1e-20"),n){let $ =">=";this.userCode= `
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const ivec3 strides =
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ivec3 ( $ { o } , $ { i } , $ { u } ) ;
const ivec3 pads = ivec3 ( $ { g } , $ { m } , $ { b } ) ;
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void main ( ) {
ivec5 coords = getOutputCoords ( ) ;
int batch = coords . x ;
int ch = coords . u ;
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ivec3 xCorner = ivec3 ( coords . y , coords . z , coords . w ) * strides - pads ;
int xDCorner = xCorner . x ;
int xRCorner = xCorner . y ;
int xCCorner = xCorner . z ;
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// max/min x(?, ?, ?, ch) to get y(yD, yR, yC, ch).
// ? = to be determined
float minMaxValue = 0.0 ;
float minMaxValueFound = 0.0 ;
int minMaxPosition = 0 ;
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for ( int wD = 0 ; wD < $ { d } ;
wD += $ { c } ) {
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int xD = xDCorner + wD ;
if ( xD < 0 || xD >= $ { e . inDepth } ) {
continue ;
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}
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for ( int wR = 0 ; wR < $ { h } ;
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wR += $ { l } ) {
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int xR = xRCorner + wR ;
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if ( xR < 0 || xR >= $ { e . inHeight } ) {
continue ;
}
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for ( int wC = 0 ; wC < $ { f } ;
wC += $ { p } ) {
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int xC = xCCorner + wC ;
if ( xC < 0 || xC >= $ { e . inWidth } ) {
continue ;
}
float value = getX ( batch , xD , xR , xC , ch ) ;
// If a min / max value has already been found, use it. If not,
// use the current value.
float currMinMaxValue = mix (
value , minMaxValue , minMaxValueFound ) ;
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if ( value $ { $ } currMinMaxValue ) {
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minMaxValue = value ;
minMaxValueFound = 1.0 ;
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minMaxPosition = $ { r ? s ? ` (((batch * ${ e . inDepth } + xD) * ${ e . inHeight } + xR) * ${ e . inWidth } + xC) * ${ e . inChannels } + ch ` : ` ((xD * ${ e . inHeight } + xR) * ${ e . inWidth } + xC) * ${ e . inChannels } + ch ` : ` wD * ${ h } * ${ f } +
wR * $ { f } + wC ` };
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}
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}
}
}
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setOutput ( float ( minMaxPosition ) ) ;
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}
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` ;return}let x="max",k= ` $ { t } ( $ { t } ( $ { t } ( minMaxValue [ 0 ] , minMaxValue [ 1 ] ) , minMaxValue [ 2 ] ) , minMaxValue [ 3 ] ) ` ;t==="avg"&&(k="avgValue / max(count, 1.0)");let S=Math.floor(a/4)*4,N=a%4,E= `
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if ( $ { y } ) {
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avgValue += dot ( values , ones ) ;
} else {
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minMaxValue = $ { x } ( values , minMaxValue ) ;
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}
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` ;this.userCode= `
const ivec3 strides =
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ivec3 ( $ { o } , $ { i } , $ { u } ) ;
const ivec3 pads = ivec3 ( $ { g } , $ { m } , $ { b } ) ;
const float initializationValue = $ { v } ;
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const vec4 ones = vec4 ( 1.0 , 1.0 , 1.0 , 1.0 ) ;
float count = 0.0 ;
float getValue ( int batch , int xD , int xR , int xC , int ch ) {
if ( xC < 0 || xC >= $ { e . inWidth } ) {
return initializationValue ;
}
count += 1.0 ;
return getX ( batch , xD , xR , xC , ch ) ;
}
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void main ( ) {
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ivec5 coords = getOutputCoords ( ) ;
int batch = coords . x ;
int ch = coords . u ;
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ivec3 xCorner = ivec3 ( coords . y , coords . z , coords . w ) * strides - pads ;
int xDCorner = xCorner . x ;
int xRCorner = xCorner . y ;
int xCCorner = xCorner . z ;
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// max/min x(?, ?, ?, d) to get y(yD, yR, yC, ch).
// ? = to be determined
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vec4 minMaxValue = vec4 ( $ { v } ) ;
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float avgValue = 0.0 ;
count = 0.0 ;
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for ( int wD = 0 ; wD < $ { d } ;
wD += $ { c } ) {
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int xD = xDCorner + wD ;
if ( xD < 0 || xD >= $ { e . inDepth } ) {
continue ;
}
for ( int wR = 0 ; wR < $ { h } ;
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wR += $ { l } ) {
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int xR = xRCorner + wR ;
if ( xR < 0 || xR >= $ { e . inHeight } ) {
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continue ;
}
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for ( int wC = 0 ; wC < $ { S } ; wC += 4 ) {
int xC = xCCorner + wC * $ { p } ;
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vec4 values = vec4 (
getValue ( batch , xD , xR , xC , ch ) ,
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getValue ( batch , xD , xR , xC + $ { p } , ch ) ,
getValue ( batch , xD , xR , xC + 2 * $ { p } , ch ) ,
getValue ( batch , xD , xR , xC + 3 * $ { p } , ch )
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) ;
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$ { E }
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}
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int xC = xCCorner + $ { S } ;
if ( $ { N === 1 } ) {
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vec4 values = vec4 (
getValue ( batch , xD , xR , xC , ch ) ,
initializationValue ,
initializationValue ,
initializationValue
) ;
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$ { E }
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} else if ( $ { N === 2 } ) {
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vec4 values = vec4 (
getValue ( batch , xD , xR , xC , ch ) ,
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getValue ( batch , xD , xR , xC + $ { p } , ch ) ,
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initializationValue ,
initializationValue
) ;
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$ { E }
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} else if ( $ { N === 3 } ) {
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vec4 values = vec4 (
getValue ( batch , xD , xR , xC , ch ) ,
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getValue ( batch , xD , xR , xC + $ { p } , ch ) ,
getValue ( batch , xD , xR , xC + 2 * $ { p } , ch ) ,
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initializationValue
) ;
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$ { E }
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}
}
}
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setOutput ( $ { k } ) ;
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}
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` }};function Ate(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t;wl(s,"avgPool");let{filterSize:a,strides:o,pad:i,dimRoundingMode:u}=r,c=1;w.assert(T.eitherStridesOrDilationsAreOne(o,c),()=> ` Error in avgPool : Either strides or dilations must be 1. Got strides $ { o } and dilations '${c}' ` );let l=T.computePool2DInfo(s.shape,a,o,c,i,u);if(l.filterWidth===1&&l.filterHeight===1&&w.arraysEqual(l.inShape,l.outShape))return sr({inputs:{x:s},backend:n});let p=new Rd(l,"avg",!1);return n.runWebGLProgram(p,[s],"float32")}var Dte={kernelName:Mo,backendName:"webgl",kernelFunc:Ate};function $ te(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{filterSize:a,strides:o,pad:i,dimRoundingMode:u,dataFormat:c}=r,l=[1,1,1],p=T.computePool3DInfo(s.shape,a,o,l,i,u,c),d=new v0(p,"avg",!1);return n.runWebGLProgram(d,[s],"float32")}var Fte={kernelName:fc,backendName:"webgl",kernelFunc: $ te},Rte=class{constructor(e){this.variableNames=["dy"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,s=e.strideWidth,a=e.dilationHeight,o=e.dilationWidth,i=e.effectiveFilterHeight,u=e.effectiveFilterWidth,c=i-1-e.padInfo.top,l=u-1-e.padInfo.left,p=1/(t*n);this.userCode= `
const ivec2 pads = ivec2 ( $ { c } , $ { l } ) ;
const float avgMultiplier = float ( $ { p } ) ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int d = coords [ 3 ] ;
ivec2 dyRCCorner = coords . yz - pads ;
int dyRCorner = dyRCCorner . x ;
int dyCCorner = dyRCCorner . y ;
// Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0 ;
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for ( int wR = 0 ; wR < $ { i } ;
wR += $ { a } ) {
float dyR = float ( dyRCorner + wR ) / $ { r } . 0 ;
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if ( dyR < 0.0 || dyR >= $ { e . outHeight } . 0 || fract ( dyR ) > 0.0 ) {
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continue ;
}
int idyR = int ( dyR ) ;
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for ( int wC = 0 ; wC < $ { u } ;
wC += $ { o } ) {
float dyC = float ( dyCCorner + wC ) / $ { s } . 0 ;
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if ( dyC < 0.0 || dyC >= $ { e . outWidth } . 0 ||
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fract ( dyC ) > 0.0 ) {
continue ;
}
int idyC = int ( dyC ) ;
float dyValue = getDy ( b , idyR , idyC , d ) ;
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dotProd += dyValue * avgMultiplier ;
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}
}
setOutput ( dotProd ) ;
}
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` }},Pte=class{constructor(e){this.variableNames=["dy"],this.outputShape=e.inShape;let t=e.filterDepth,n=e.filterHeight,r=e.filterWidth,s=e.strideDepth,a=e.strideHeight,o=e.strideWidth,i=e.dilationDepth,u=e.dilationHeight,c=e.dilationWidth,l=e.effectiveFilterDepth,p=e.effectiveFilterHeight,d=e.effectiveFilterWidth,h=l-1-e.padInfo.front,f=p-1-e.padInfo.top,g=d-1-e.padInfo.left,m=1/(t*n*r);this.userCode= `
const ivec3 pads = ivec3 ( $ { h } , $ { f } , $ { g } ) ;
const float avgMultiplier = float ( $ { m } ) ;
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void main ( ) {
ivec5 coords = getOutputCoords ( ) ;
int batch = coords . x ;
int ch = coords . u ;
ivec3 dyCorner = ivec3 ( coords . y , coords . z , coords . w ) - pads ;
int dyDCorner = dyCorner . x ;
int dyRCorner = dyCorner . y ;
int dyCCorner = dyCorner . z ;
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// Convolve dy(?, ?, ?, d) with pos mask(:, :, :, ch) to get
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// dx(xD, xR, xC, ch).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0 ;
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for ( int wD = 0 ; wD < $ { l } ;
wD += $ { i } ) {
float dyD = float ( dyDCorner + wD ) / $ { s } . 0 ;
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if ( dyD < 0.0 || dyD >= $ { e . outDepth } . 0 || fract ( dyD ) > 0.0 ) {
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continue ;
}
int idyD = int ( dyD ) ;
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for ( int wR = 0 ; wR < $ { p } ;
wR += $ { u } ) {
float dyR = float ( dyRCorner + wR ) / $ { a } . 0 ;
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if ( dyR < 0.0 || dyR >= $ { e . outHeight } . 0 ||
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fract ( dyR ) > 0.0 ) {
continue ;
}
int idyR = int ( dyR ) ;
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for ( int wC = 0 ; wC < $ { d } ;
wC += $ { c } ) {
float dyC = float ( dyCCorner + wC ) / $ { o } . 0 ;
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if ( dyC < 0.0 || dyC >= $ { e . outWidth } . 0 ||
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fract ( dyC ) > 0.0 ) {
continue ;
}
int idyC = int ( dyC ) ;
float dyValue = getDy ( batch , idyD , idyR , idyC , ch ) ;
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dotProd += dyValue * avgMultiplier ;
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}
}
}
setOutput ( dotProd ) ;
}
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` }};function Ote(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a}=t,o=a,{filterSize:i,strides:u,pad:c,dimRoundingMode:l}=r,p=[1,1,1],d=T.computePool3DInfo(o.shape,i,u,p,c,l),h=new Pte(d);return n.runWebGLProgram(h,[s],o.dtype)}var Mte={kernelName:zd,backendName:"webgl",kernelFunc:Ote};function Lte(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a}=t,o=a;wl([s,a],"avgPoolGrad");let{filterSize:i,strides:u,pad:c}=r,l=T.computePool2DInfo(o.shape,i,u,1,c),p=new Rte(l);return n.runWebGLProgram(p,[s],o.dtype)}var Bte={kernelName:Bd,backendName:"webgl",kernelFunc:Lte};function zte(e){let{inputs:t,backend:n,attrs:r}=e,{a:s,b:a}=t,{transposeA:o,transposeB:i}=r;return Ef({a:s,b:a,transposeA:o,transposeB:i,backend:n})}var Wte={kernelName:Lo,backendName:"webgl",kernelFunc:zte},Vte=class{constructor(e,t,n,r,s,a){this.outputShape=[],this.variableNames=["x","mean","variance"],T.assertAndGetBroadcastShape(e,t),T.assertAndGetBroadcastShape(e,n);let o="0.0";r!=null&&(T.assertAndGetBroadcastShape(e,r),this.variableNames.push("offset"),o="getOffsetAtOutCoords()");let i="1.0";s!=null&&(T.assertAndGetBroadcastShape(e,s),this.variableNames.push("scale"),i="getScaleAtOutCoords()"),this.outputShape=e,this.userCode= `
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void main ( ) {
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float x = getXAtOutCoords ( ) ;
float mean = getMeanAtOutCoords ( ) ;
float variance = getVarianceAtOutCoords ( ) ;
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float offset = $ { o } ;
float scale = $ { i } ;
float inv = scale * inversesqrt ( variance + float ( $ { a } ) ) ;
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setOutput ( dot ( vec3 ( x , - mean , offset ) , vec3 ( inv , inv , 1 ) ) ) ;
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}
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` }},Ute=class{constructor(e,t,n,r,s,a){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],T.assertAndGetBroadcastShape(e,t),T.assertAndGetBroadcastShape(e,n);let o="vec4(0.0)";r!=null&&(T.assertAndGetBroadcastShape(e,r),this.variableNames.push("offset"),o="getOffsetAtOutCoords()");let i="vec4(1.0)";s!=null&&(T.assertAndGetBroadcastShape(e,s),this.variableNames.push("scale"),i="getScaleAtOutCoords()"),this.outputShape=e,this.userCode= `
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void main ( ) {
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vec4 offset = $ { o } ;
vec4 scale = $ { i } ;
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vec4 x = getXAtOutCoords ( ) ;
vec4 mean = getMeanAtOutCoords ( ) ;
vec4 variance = getVarianceAtOutCoords ( ) ;
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vec4 inv = scale * inversesqrt ( variance + vec4 ( $ { a } ) ) ;
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setOutput ( ( x - mean ) * inv + offset ) ;
}
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` }},Gte=({inputs:e,backend:t,attrs:n})=>{let{x:r,mean:s,variance:a,offset:o,scale:i}=e;w.assert(s.shape.length===a.shape.length,()=>"Batch normalization gradient requires mean and variance to have equal ranks."),w.assert(o==null||s.shape.length===o.shape.length,()=>"Batch normalization gradient requires mean and offset to have equal ranks."),w.assert(i==null||s.shape.length===i.shape.length,()=>"Batch normalization gradient requires mean and scale to have equal ranks.");let{varianceEpsilon:u}=n;u==null&&(u=.001);let c=[r,s,a],l=null;o!=null&&(l=o.shape,c.push(o));let p=null;i!=null&&(p=i.shape,c.push(i));let d=G().getBool("WEBGL_PACK_NORMALIZATION")?new Ute(r.shape,s.shape,a.shape,l,p,u):new Vte(r.shape,s.shape,a.shape,l,p,u);return t.runWebGLProgram(d,c,c[0].dtype)},Hte={kernelName:ni,backendName:"webgl",kernelFunc:Gte},jte=class{constructor(e){this.variableNames=["source"],this.outputShape=e,this.rank=e.length;let t=ht(this.rank);this.customUniforms=[{name:"start",arrayIndex:this.rank,type:"int"}];let n=qte(this.rank),r,s=e.map((a,o)=> ` sourceLoc . $ { wx [ o ] } = start [ $ { o } ] + coords . $ { wx [ o ] } ; ` );r= `
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$ { t } sourceLoc ;
$ { t } coords = getOutputCoords ( ) ;
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$ { s . join ( `
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` )}
` ,this.userCode= `
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void main ( ) {
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$ { r }
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setOutput ( getSource ( $ { n } ) ) ;
}
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` }},wx=["x","y","z","w","u","v"];function qte(e){if(e===1)return"sourceLoc";if(e<=6)return wx.slice(0,e).map(t=>"sourceLoc."+t).join(",");throw Error( ` Slicing for rank $ { e } is not yet supported ` )}var Kte=class{constructor(e){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.rank=e.length,this.customUniforms=[{name:"start",arrayIndex:this.rank,type:"int"}];let t=ht(this.rank),n=Cn("coords",this.rank),r=Cn("sourceLoc",this.rank),s=this.rank===1?"sourceLoc": ` vec2 ( $ { r . slice ( - 2 ) . join ( ) } ) ` ,a= ` getChannel ( getSource ( $ { r . join ( ) } ) , $ { s } ) ` ,o= `
result . x = $ { a } ;
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if ( ++ $ { n [ this . rank - 1 ] } < $ { e [ this . rank - 1 ] } ) {
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++ $ { r [ this . rank - 1 ] } ;
result . y = $ { a } ;
-- $ { r [ this . rank - 1 ] } ;
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}
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` ,i=this.rank===1?"": `
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-- $ { n [ this . rank - 1 ] } ;
if ( ++ $ { n [ this . rank - 2 ] } < $ { e [ this . rank - 2 ] } ) {
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++ $ { r [ this . rank - 2 ] } ;
result . z = $ { a } ;
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if ( ++ $ { n [ this . rank - 1 ] } < $ { e [ this . rank - 1 ] } ) {
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++ $ { r [ this . rank - 1 ] } ;
result . w = $ { a } ;
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}
}
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` ,u=this.rank<=4? ` sourceLoc = coords +
$ { t } ( $ { e . map ( ( c , l ) => ` start[ ${ l } ] ` ) . join ( ) } ) ; ` :e.map((c,l)=> ` $ { r [ l ] } = $ { n [ l ] } + start [ $ { l } ] ; ` ).join( `
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` );this.userCode= `
void main ( ) {
$ { t } coords = getOutputCoords ( ) ;
$ { t } sourceLoc ;
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$ { u }
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vec4 result = vec4 ( 0. ) ;
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$ { o }
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$ { i }
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setOutput ( result ) ;
}
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` }};function Xte(e,t,n,r){let s=r.texData.get(e.dataId),a=r.makeTensorInfo(n,e.dtype),o=r.texData.get(a.dataId);Object.assign(o,s),o.refCount=1,o.shape=n,o.dtype=e.dtype;let i=Kt.computeFlatOffset(t,w.computeStrides(e.shape));s.slice&&(i+=s.slice.flatOffset),o.slice={flatOffset:i,origDataId:s.slice&&s.slice.origDataId||e.dataId};let u=r.dataRefCount.get(o.slice.origDataId)||1;return r.dataRefCount.set(o.slice.origDataId,u+1),a}function _l(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{begin:a,size:o}=r,[i,u]=Kt.parseSliceParams(s,a,o);if(Kt.assertParamsValid(s,i,u),w.sizeFromShape(u)===0)return n.makeTensorInfo(u,s.dtype,[]);if(n.shouldExecuteOnCPU([s])||s.dtype==="string"){let p=n.texData.get(s.dataId),d=BQ(p.values,i,u,s.shape,s.dtype);return n.makeTensorInfo(u,s.dtype,d)}let{isPacked:c}=n.texData.get(s.dataId),l=Kt.isSliceContinous(s.shape,i,u);if(c||!l){let p=G().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new Kte(u):new jte(u),d=[i];return n.runWebGLProgram(p,[s],s.dtype,d)}return n.uploadToGPU(s.dataId),Xte(s,i,u,n)}var Yte={kernelName:el,backendName:"webgl",kernelFunc:_l},Zte=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockShape:a,crops:o}=r;w.assert(s.shape.length<=4,()=>"batchToSpaceND for rank > 4 with a WebGL backend not implemented yet");let i=a.reduce((y,v)=>y*v),u=T.getReshaped(s.shape,a,i),c=T.getPermuted(u.length,a.length),l=T.getReshapedPermuted(s.shape,a,i),p=T.getSliceBeginCoords(o,a.length),d=T.getSliceSize(l,o,a.length),h=[],f=pe({inputs:{x:s},backend:n,attrs:{shape:u}}),g=Tn({inputs:{x:f},backend:n,attrs:{perm:c}}),m=pe({inputs:{x:g},backend:n,attrs:{shape:l}}),b=_l({inputs:{x:m},backend:n,attrs:{begin:p,size:d}});return h.push(f),h.push(g),h.push(m),h.forEach(y=>n.disposeIntermediateTensorInfo(y)),b},Jte={kernelName:mc,backendName:"webgl",kernelFunc:Zte};function Qte(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,weights:a}=t,{size:o}=r,i=n.readSync(s.dataId),u=n.readSync(a.dataId),c=KA(i,u,a.dtype,a.shape,o);return n.makeTensorInfo([o],a.dtype,c)}var ene={kernelName:gc,backendName:"webgl",kernelFunc:Qte},tne= `
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int r = int ( a . r ) & int ( b . r ) ;
int g = int ( a . g ) & int ( b . g ) ;
int rb = int ( a . b ) & int ( b . b ) ;
int ra = int ( a . a ) & int ( b . a ) ;
return vec4 ( r , g , rb , ra ) ;
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` ,nne= `
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return float ( int ( a . r ) & int ( b . r ) ) ;
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` ;function rne(e){let{inputs:t,backend:n}=e,{a:r,b:s}=t,a=G().getBool("WEBGL_PACK_BINARY_OPERATIONS"),o=G().getNumber("WEBGL_VERSION");if(n.shouldExecuteOnCPU([r,s])||o===1){let u=n.texData.get(r.dataId).values,c=n.texData.get(s.dataId).values,[l,p]=cQ(r.shape,s.shape,u,c,r.dtype),d=n.makeTensorInfo(p,r.dtype),h=n.texData.get(d.dataId);return h.values=l,d}let i;return a?i=new Tl(tne,r.shape,s.shape,!1):i=new To(nne,r.shape,s.shape),n.runWebGLProgram(i,[r,s],r.dtype)}var sne={kernelName:bc,backendName:"webgl",kernelFunc:rne};function ane(e){let{inputs:t,backend:n}=e,{s0:r,s1:s}=t,a=n.readSync(r.dataId),o=n.readSync(s.dataId),i=T.assertAndGetBroadcastShape(Array.from(a),Array.from(o));return n.makeTensorInfo([i.length],"int32",Int32Array.from(i))}var one={kernelName:Wd,backendName:"webgl",kernelFunc:ane},ine="return float(a != b);",lD=mn({opSnippet:ine,cpuKernelImpl:AQ,dtype:"bool"}),une={kernelName:Wc,backendName:"webgl",kernelFunc:lD};function Mp(e){let{inputs:t,backend:n}=e,{input:r}=t,s=n.texData.get(r.dataId);return sr({inputs:{x:s.complexTensorInfos.real},backend:n})}var cne={kernelName:Xf,backendName:"webgl",kernelFunc:Mp},lne="return float(int(x));";function dne(e,t){let n=new is(e.shape,lne),r=t.runWebGLProgram(n,[e],"int32");return{dataId:r.dataId,shape:r.shape,dtype:r.dtype}}function Ix(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{dtype:a}=r;if(a==="complex64"){if(s.dtype==="complex64")return sr({inputs:{x:s},backend:n});let o=kt(s.shape),i=Ix({inputs:{x:s},backend:n,attrs:{dtype:"float32"}}),u=Oa({inputs:{real:i,imag:o},backend:n});return o.dispose(),n.disposeIntermediateTensorInfo(i),u}if(s.dtype==="complex64"){let o=Mp({inputs:{input:s},backend:n}),i=Ix({inputs:{x:o},backend:n,attrs:{dtype:a}});return n.disposeIntermediateTensorInfo(o),i}if(!w.hasEncodingLoss(s.dtype,a)){let o=sr({inputs:{x:s},backend:n});return{dataId:o.dataId,shape:o.shape,dtype:a}}if(n.shouldExecuteOnCPU([s])){let o=n.texData.get(s.dataId).values,[i,u,c]=lQ(o,s.shape,s.dtype,a);return n.makeTensorInfo(i,u,c)}if(a==="int32")return dne(s,n);if(a==="bool"){let o=n.makeTensorInfo([],"bool",w.getTypedArrayFromDType("bool",1)),u=lD({inputs:{a:s,b:o},backend:n});return n.disposeIntermediateTensorInfo(o),u}throw new Error( ` Error in Cast : failed to cast $ { s . dtype } to $ { a } ` )}var pne={kernelName:Bo,backendName:"webgl",kernelFunc:Ix},M1="return ceil(x);",hne=Ze({opSnippet:M1,packedOpSnippet:M1,cpuKernelImpl:dQ}),fne={kernelName:zo,backendName:"webgl",kernelFunc:hne},mne=class{constructor(e){this.variableNames=["A"],this.customUniforms=[{name:"minVal",type:"float"},{name:"maxVal",type:"float"}],this.outputShape=e,this.userCode= `
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void main ( ) {
float value = getAAtOutCoords ( ) ;
if ( isnan ( value ) ) {
setOutput ( value ) ;
return ;
}
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setOutput ( clamp ( value , minVal , maxVal ) ) ;
}
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` }},gne=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"minVal",type:"float"},{name:"maxVal",type:"float"}],this.outputShape=e,this.userCode= `
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void main ( ) {
vec4 value = getAAtOutCoords ( ) ;
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if ( any ( isnan ( value ) ) ) {
setOutput ( value ) ;
return ;
}
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setOutput ( clamp ( value , vec4 ( minVal ) , vec4 ( maxVal ) ) ) ;
}
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` }};function bne(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{clipValueMin:a,clipValueMax:o}=r,i;G().getBool("WEBGL_PACK_CLIP")?i=new gne(s.shape):i=new mne(s.shape);let u=[[a],[o]];return n.runWebGLProgram(i,[s],s.dtype,u)}var yne={kernelName:Ca,backendName:"webgl",kernelFunc:bne},vne=class{constructor(e){this.variableNames=["real","imag"],this.outputShape=e,this.userCode= `
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void main ( ) {
float re = abs ( getRealAtOutCoords ( ) ) ;
float im = abs ( getImagAtOutCoords ( ) ) ;
float mx = max ( re , im ) ;
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// sadly the length function in glsl is not underflow-safe
// (at least not on Intel GPUs). So the safe solution is
// to ensure underflow-safety in all cases.
setOutput (
mx == 0.0 ? 0.0 : mx * length ( vec2 ( 1 , min ( re , im ) / mx ) )
) ;
}
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` }};function L1(e,t){return{dataId:t.dataId,dtype:t.dtype,shape:e.shape}}function xne(e){let{inputs:t,backend:n}=e,{x:r}=t,s=n.texData.get(r.dataId),a=new vne(r.shape),o=[L1(r,s.complexTensorInfos.real),L1(r,s.complexTensorInfos.imag)];return n.runWebGLProgram(a,o,o[0].dtype)}var wne={kernelName:Vd,backendName:"webgl",kernelFunc:xne},Ine=class{constructor(e){this.outputShape=[],this.outputShape=T.computeOutShape(e,1),this.variableNames=e.map((a,o)=> ` T$ { o } ` );let t=new Array(e.length-1);t[0]=e[0][1];for(let a=1;a<t.length;a++)t[a]=t[a-1]+e[a][1];let n=[ ` if ( yC < $ { t [ 0 ] } ) setOutput ( getT0 ( yR , yC ) ) ; ` ];for(let a=1;a<t.length;a++){let o=t[a-1];n.push( ` else if ( yC < $ { t [ a ] } ) setOutput ( getT$ { a } ( yR , yC - $ { o } ) ) ; ` )}let r=t.length,s=t[t.length-1];n.push( ` else setOutput ( getT$ { r } ( yR , yC - $ { s } ) ) ; ` ),this.userCode= `
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void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
int yR = coords . x ;
int yC = coords . y ;
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$ { n . join ( `
` )}
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}
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` }},kne=class{constructor(e,t){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=T.computeOutShape(e,t);let n=this.outputShape,r=n.length,s=ht(r),a=Cn("coords",r),o=["x","y","z","w","u","v"].slice(0,r);this.variableNames=e.map((f,g)=> ` T$ { g } ` );let i=new Array(e.length-1);i[0]=e[0][t];for(let f=1;f<i.length;f++)i[f]=i[f-1]+e[f][t];let u=o[t],c=o.slice(-2),l=o.join(),p= ` if ( $ { u } < $ { i [ 0 ] } ) {
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return getChannel (
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getT0 ( $ { l } ) , vec2 ( $ { c . join ( ) } ) ) ;
} ` ;for(let f=1;f<i.length;f++){let g=i[f-1];p+= `
if ( $ { u } < $ { i [ f ] } && $ { u } >= $ { i [ f - 1 ] } ) {
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return getChannel (
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getT$ { f } ( $ { qh ( o , u , g ) } ) ,
vec2 ( $ { qh ( c , u , g ) } ) ) ;
} ` }let d=i.length,h=i[i.length-1];p+= `
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return getChannel (
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getT$ { d } ( $ { qh ( o , u , h ) } ) ,
vec2 ( $ { qh ( c , u , h ) } ) ) ; ` ,this.userCode= `
float getValue ( $ { o . map ( f => "int " + f ) } ) {
$ { p }
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}
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void main ( ) {
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$ { s } coords = getOutputCoords ( ) ;
vec4 result = vec4 ( getValue ( $ { a } ) , 0. , 0. , 0. ) ;
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$ { a [ r - 1 ] } = $ { a [ r - 1 ] } + 1 ;
if ( $ { a [ r - 1 ] } < $ { n [ r - 1 ] } ) {
result . g = getValue ( $ { a } ) ;
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}
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$ { a [ r - 2 ] } = $ { a [ r - 2 ] } + 1 ;
if ( $ { a [ r - 2 ] } < $ { n [ r - 2 ] } ) {
result . a = getValue ( $ { a } ) ;
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}
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$ { a [ r - 1 ] } = $ { a [ r - 1 ] } - 1 ;
if ( $ { a [ r - 2 ] } < $ { n [ r - 2 ] } &&
$ { a [ r - 1 ] } < $ { n [ r - 1 ] } ) {
result . b = getValue ( $ { a } ) ;
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}
setOutput ( result ) ;
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}
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` }};function qh(e,t,n){let r=e.indexOf(t);return e.map((a,o)=>o===r? ` $ { a } - $ { n } ` :a).join()}function rg(e){let{inputs:t,backend:n}=e,{input:r}=t,s=n.texData.get(r.dataId);return sr({inputs:{x:s.complexTensorInfos.imag},backend:n})}var Sne={kernelName:Hf,backendName:"webgl",kernelFunc:rg};function hd(e,t,n){let r=e[0].dtype;if(r==="complex64"){let h=e.map(y=>Mp({inputs:{input:y},backend:n})),f=e.map(y=>rg({inputs:{input:y},backend:n})),g=hd(h,t,n),m=hd(f,t,n),b=Oa({inputs:{real:g,imag:m},backend:n});return h.forEach(y=>n.disposeIntermediateTensorInfo(y)),f.forEach(y=>n.disposeIntermediateTensorInfo(y)),n.disposeIntermediateTensorInfo(g),n.disposeIntermediateTensorInfo(m),b}let s=n.shouldExecuteOnCPU(e);if(r==="string"&&(s=!0),s){let h=e.map(x=>{let S=[-1,w.sizeFromShape(x.shape.slice(t))];return pe({inputs:{x},backend:n,attrs:{shape:S}})}),f=h.map(x=>({vals:n.readSync(x.dataId),shape:x.shape})),g=T.computeOutShape(h.map(x=>x.shape),1),m=h[0].shape[0]===1,b=pQ(f,g,r,m),y=T.computeOutShape(e.map(x=>x.shape),t),v=n.makeTensorInfo(y,r,b);return h.forEach(x=>n.disposeIntermediateTensorInfo(x)),v}let a=e.filter(h=>w.sizeFromShape(h.shape)>0),o=G().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&a[0].shape.length>1;if(a.length===1){let h=o?new is(e[0].shape,ta):new oa(e[0].shape,ta);return n.runWebGLProgram(h,e,r)}let i=G().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER");if(a.length>i){let h=[];for(let g=0;g<a.length;g+=i){let m=a.slice(g,g+i);h.push(hd(m,t,n))}let f=hd(h,t,n);for(let g of h)n.disposeIntermediateTensorInfo(g);return f}if(o){let h=new kne(a.map(f=>f.shape),t);return n.runWebGLProgram(h,a,r)}let{tensors2D:u,outShape:c}=Cne(a,t,n),l=new Ine(u.map(h=>h.shape)),p=n.runWebGLProgram(l,u,r);u.forEach(h=>n.disposeIntermediateTensorInfo(h));let d=pe({inputs:{x:p},attrs:{shape:c},backend:n});return n.disposeIntermediateTensorInfo(p),d}function Cne(e,t,n){let r=T.computeOutShape(e.map(a=>a.shape),t);return{tensors2D:e.map(a=>pe({inputs:{x:a},attrs:{shape:[-1,w.sizeFromShape(a.shape.slice(t))]},backend:n})),outShape:r}}function dD(e){let{inputs:t,backend:n,attrs:r}=e,{axis:s}=r,a=w.parseAxisParam(s,t[0].shape)[0],o=t.map(c=>c.shape);T.assertParamsConsistent(o,a);let i=T.computeOutShape(t.map(c=>c.shape),a);if(w.sizeFromShape(i)===0)return n.makeTensorInfo(i,t[0].dtype,[]);let u=t.filter(c=>w.sizeFromShape(c.shape)>0);return u.length===1?sr({inputs:{x:u[0]},backend:n}):hd(u,a,n)}var Tne={kernelName:yc,backendName:"webgl",kernelFunc:dD},pD=class{constructor(e,t=!1,n=null,r=!1,s=!1){this.variableNames=["x","W"],this.outputShape=e.outShape;let a=e.padInfo.top,o=e.padInfo.left,i=e.strideHeight,u=e.strideWidth,c=e.dilationHeight,l=e.dilationWidth,p=e.filterHeight,d=e.filterWidth,h=Math.floor(e.inChannels/4)*4,f=e.inChannels%4,g=e.dataFormat==="channelsLast",m=g?1:2,b=g?2:3,y=g?3:1,v="",x="";n&&(r?v= ` float activation ( float a ) {
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float b = getPreluActivationWeightsAtOutCoords ( ) ;
$ { n }
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} ` :s?v= ` float activation ( float a ) {
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float b = getLeakyreluAlphaAtOutCoords ( ) ;
$ { n }
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} ` :v= `
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float activation ( float x ) {
$ { n }
}
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` ,x="result = activation(result);");let k=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode= `
$ { v }
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const ivec2 strides = ivec2 ( $ { i } , $ { u } ) ;
const ivec2 pads = ivec2 ( $ { a } , $ { o } ) ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
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int batch = coords [ 0 ] ;
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int d2 = coords [ $ { y } ] ;
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ivec2 xRCCorner =
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ivec2 ( coords [ $ { m } ] , coords [ $ { b } ] ) * strides - pads ;
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int xRCorner = xRCCorner . x ;
int xCCorner = xRCCorner . y ;
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// Convolve x(?, ?, d1) with w(:, :, d1, d2) to get y(yR, yC, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0 ;
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for ( int wR = 0 ; wR < $ { p } ; wR ++ ) {
int xR = xRCorner + wR * $ { c } ;
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if ( xR < 0 || xR >= $ { e . inHeight } ) {
continue ;
}
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for ( int wC = 0 ; wC < $ { d } ; wC ++ ) {
int xC = xCCorner + wC * $ { l } ;
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if ( xC < 0 || xC >= $ { e . inWidth } ) {
continue ;
}
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for ( int d1 = 0 ; d1 < $ { h } ; d1 += 4 ) {
vec4 wValues = vec4 (
getW ( wR , wC , d1 , d2 ) ,
getW ( wR , wC , d1 + 1 , d2 ) ,
getW ( wR , wC , d1 + 2 , d2 ) ,
getW ( wR , wC , d1 + 3 , d2 )
) ;
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if ( $ { g } ) {
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vec4 xValues = vec4 (
getX ( batch , xR , xC , d1 ) ,
getX ( batch , xR , xC , d1 + 1 ) ,
getX ( batch , xR , xC , d1 + 2 ) ,
getX ( batch , xR , xC , d1 + 3 )
) ;
dotProd += dot ( xValues , wValues ) ;
} else {
vec4 xValues = vec4 (
getX ( batch , d1 , xR , xC ) ,
getX ( batch , d1 + 1 , xR , xC ) ,
getX ( batch , d1 + 2 , xR , xC ) ,
getX ( batch , d1 + 3 , xR , xC )
) ;
dotProd += dot ( xValues , wValues ) ;
}
}
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if ( $ { f === 1 } ) {
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if ( $ { g } ) {
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dotProd +=
getX ( batch , xR , xC , $ { h } ) *
getW ( wR , wC , $ { h } , d2 ) ;
} else {
dotProd +=
getX ( batch , $ { h } , xR , xC ) *
getW ( wR , wC , $ { h } , d2 ) ;
}
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} else if ( $ { f === 2 } ) {
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vec2 wValues = vec2 (
getW ( wR , wC , $ { h } , d2 ) ,
getW ( wR , wC , $ { h } + 1 , d2 )
) ;
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if ( $ { g } ) {
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vec2 xValues = vec2 (
getX ( batch , xR , xC , $ { h } ) ,
getX ( batch , xR , xC , $ { h } + 1 )
) ;
dotProd += dot ( xValues , wValues ) ;
} else {
vec2 xValues = vec2 (
getX ( batch , $ { h } , xR , xC ) ,
getX ( batch , $ { h } + 1 , xR , xC )
) ;
dotProd += dot ( xValues , wValues ) ;
}
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} else if ( $ { f === 3 } ) {
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vec3 wValues = vec3 (
getW ( wR , wC , $ { h } , d2 ) ,
getW ( wR , wC , $ { h } + 1 , d2 ) ,
getW ( wR , wC , $ { h } + 2 , d2 )
) ;
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if ( $ { g } ) {
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vec3 xValues = vec3 (
getX ( batch , xR , xC , $ { h } ) ,
getX ( batch , xR , xC , $ { h } + 1 ) ,
getX ( batch , xR , xC , $ { h } + 2 )
) ;
dotProd += dot ( xValues , wValues ) ;
} else {
vec3 xValues = vec3 (
getX ( batch , $ { h } , xR , xC ) ,
getX ( batch , $ { h } + 1 , xR , xC ) ,
getX ( batch , $ { h } + 2 , xR , xC )
) ;
dotProd += dot ( xValues , wValues ) ;
}
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}
}
}
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float result = dotProd ;
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$ { k }
$ { x }
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setOutput ( result ) ;
}
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` }},Nne=class{constructor(e){this.variableNames=["x","W"],this.outputShape=e.outShape;let t=e.padInfo.front,n=e.padInfo.top,r=e.padInfo.left,s=e.strideDepth,a=e.strideHeight,o=e.strideWidth,i=e.dilationDepth,u=e.dilationHeight,c=e.dilationWidth,l=e.filterDepth,p=e.filterHeight,d=e.filterWidth,h=Math.floor(e.inChannels/4)*4,f=e.inChannels%4;this.userCode= `
const ivec3 strides = ivec3 ( $ { s } , $ { a } , $ { o } ) ;
const ivec3 pads = ivec3 ( $ { t } , $ { n } , $ { r } ) ;
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void main ( ) {
ivec5 coords = getOutputCoords ( ) ;
int batch = coords . x ;
int d2 = coords . u ;
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ivec3 xFRCCorner = ivec3 ( coords . y , coords . z , coords . w ) * strides - pads ;
int xFCorner = xFRCCorner . x ;
int xRCorner = xFRCCorner . y ;
int xCCorner = xFRCCorner . z ;
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// Convolve x(?, ?, ?, d1) with w(:, :, :, d1, d2) to get
// y(yF, yR, yC, d2). ? = to be determined. : = across all
// values in that axis.
float dotProd = 0.0 ;
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for ( int wF = 0 ; wF < $ { l } ; wF ++ ) {
int xF = xFCorner + wF * $ { i } ;
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if ( xF < 0 || xF >= $ { e . inDepth } ) {
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continue ;
}
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for ( int wR = 0 ; wR < $ { p } ; wR ++ ) {
int xR = xRCorner + wR * $ { u } ;
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if ( xR < 0 || xR >= $ { e . inHeight } ) {
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continue ;
}
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for ( int wC = 0 ; wC < $ { d } ; wC ++ ) {
int xC = xCCorner + wC * $ { c } ;
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if ( xC < 0 || xC >= $ { e . inWidth } ) {
continue ;
}
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for ( int d1 = 0 ; d1 < $ { h } ; d1 += 4 ) {
vec4 xValues = vec4 (
getX ( batch , xF , xR , xC , d1 ) ,
getX ( batch , xF , xR , xC , d1 + 1 ) ,
getX ( batch , xF , xR , xC , d1 + 2 ) ,
getX ( batch , xF , xR , xC , d1 + 3 )
) ;
vec4 wValues = vec4 (
getW ( wF , wR , wC , d1 , d2 ) ,
getW ( wF , wR , wC , d1 + 1 , d2 ) ,
getW ( wF , wR , wC , d1 + 2 , d2 ) ,
getW ( wF , wR , wC , d1 + 3 , d2 )
) ;
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dotProd += dot ( xValues , wValues ) ;
}
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if ( $ { f === 1 } ) {
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dotProd +=
getX ( batch , xF , xR , xC , $ { h } ) *
getW ( wF , wR , wC , $ { h } , d2 ) ;
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} else if ( $ { f === 2 } ) {
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vec2 xValues = vec2 (
getX ( batch , xF , xR , xC , $ { h } ) ,
getX ( batch , xF , xR , xC , $ { h } + 1 )
) ;
vec2 wValues = vec2 (
getW ( wF , wR , wC , $ { h } , d2 ) ,
getW ( wF , wR , wC , $ { h } + 1 , d2 )
) ;
dotProd += dot ( xValues , wValues ) ;
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} else if ( $ { f === 3 } ) {
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vec3 xValues = vec3 (
getX ( batch , xF , xR , xC , $ { h } ) ,
getX ( batch , xF , xR , xC , $ { h } + 1 ) ,
getX ( batch , xF , xR , xC , $ { h } + 2 )
) ;
vec3 wValues = vec3 (
getW ( wF , wR , wC , $ { h } , d2 ) ,
getW ( wF , wR , wC , $ { h } + 1 , d2 ) ,
getW ( wF , wR , wC , $ { h } + 2 , d2 )
) ;
dotProd += dot ( xValues , wValues ) ;
}
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}
}
}
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setOutput ( dotProd ) ;
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}
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` }},hD=class{constructor(e,t=!1,n=null,r=!1,s=!1){this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"pads",type:"ivec2"},{name:"strides",type:"ivec2"},{name:"dilations",type:"ivec2"},{name:"inDims",type:"ivec2"}],this.outputShape=e.outShape,this.enableShapeUniforms=xn(this.outputShape.length);let a=e.padInfo.left,o=e.strideWidth,i=e.dilationWidth,u=e.filterHeight,c=e.filterWidth,l=c,p= `
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int xR ; int xC ; int xCOffset ;
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vec4 wTexel ; vec4 previous ; vec4 final ; ` ;for(let g=0;g<c;g++)p+= `
vec4 xTexelC$ { g * 2 } ;
int xTexelC$ { g * 2 } Ready ;
vec4 xTexelC$ { g * 2 + 1 } ;
int xTexelC$ { g * 2 + 1 } Ready ;
vec4 xC$ { g } ; ` ;p+= `
for ( int r = 0 ; r < $ { u } ; r ++ ) {
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for ( int d1 = 0 ; d1 < $ { e . inChannels } ; d1 += 2 ) {
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` ;for(let g=0;g<c;g++)p+= `
xTexelC$ { g * 2 } = vec4 ( 0.0 ) ;
xTexelC$ { g * 2 } Ready = 0 ;
xTexelC$ { g * 2 + 1 } = vec4 ( 0.0 ) ;
xTexelC$ { g * 2 + 1 } Ready = 0 ;
xC$ { g } = vec4 ( 0.0 ) ; ` ;p+= `
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xR = xRCorner + r * dilations [ 0 ] ;
if ( xR >= 0 && xR < inDims [ 0 ] ) {
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` ;for(let g=0;g<(l+1)/2;g++){let m=g*2;if(p+= `
xC = xCCorner + $ { m * i } ;
` ,o===1){if(m<c&&(a%2===1?(p+= `
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xCOffset = xC + 1 ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { m } Ready == 0 ) {
xTexelC$ { m } = getX ( batch , xR , xCOffset , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { m } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { m } Ready = 1 ;
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}
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` ,i===1&&m>0?p+= `
xC$ { m } = vec4 ( xTexelC$ { m - 2 } . zw , xTexelC$ { m } . xy ) ;
` :p+= `
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xCOffset = xC + 1 - 2 ;
if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] ) {
previous = getX ( batch , xR , xCOffset , d1 ) ;
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xCOffset + 1 >= inDims [ 1 ] ) {
previous . zw = vec2 ( 0.0 ) ;
}
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xC$ { m } = vec4 ( previous . zw , xTexelC$ { m } . xy ) ;
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} else {
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xC$ { m } = vec4 ( 0.0 , 0.0 , xTexelC$ { m } . xy ) ;
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}
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` ):p+= `
if ( xC >= 0 && xC < inDims [ 1 ] && xTexelC$ { m } Ready == 0 ) {
xTexelC$ { m } = getX ( batch , xR , xC , d1 ) ;
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if ( xC + 1 >= inDims [ 1 ] ) {
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xTexelC$ { m } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { m } Ready = 1 ;
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}
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xC$ { m } = xTexelC$ { m } ;
` ,m+1<c)){let b=a%2===0?w.nearestLargerEven(i):i;i%2===0&&a%2===1||i%2!==0&&a%2!==1?(p+= `
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xCOffset = xC + imod ( pads [ 1 ] , 2 ) + $ { b } ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { m + 1 } Ready == 0 ) {
xTexelC$ { m + 1 } = getX ( batch , xR , xCOffset , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { m + 1 } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { m + 1 } Ready = 1 ;
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}
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` ,i>1?p+= `
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xCOffset -= 2 ;
if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] ) {
previous = getX ( batch , xR , xCOffset , d1 ) ;
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xC$ { m + 1 } = vec4 ( previous . zw , xTexelC$ { m + 1 } . xy ) ;
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} else {
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xC$ { m + 1 } = vec4 ( 0.0 , 0.0 , xTexelC$ { m + 1 } . xy ) ;
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}
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` :p+= `
xC$ { m + 1 } = vec4 ( xTexelC$ { m } . zw , xTexelC$ { m + 1 } . xy ) ;
` ):b===1?p+= `
xC$ { m + 1 } = xTexelC$ { m } ;
` :p+= `
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xCOffset = xC + $ { b } ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { m + 1 } Ready == 0 ) {
xTexelC$ { m + 1 } = getX ( batch , xR , xCOffset , d1 ) ;
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if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { m + 1 } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { m + 1 } Ready = 1 ;
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}
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xC$ { m + 1 } = xTexelC$ { m + 1 } ;
` }}else m<c&&(a%2===1?(p+= `
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xCOffset = xC + 1 - strides [ 1 ] ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { m } Ready == 0 ) {
xTexelC$ { m } = getX ( batch , xR , xCOffset , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { m } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { m } Ready = 1 ;
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}
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if ( xC + 1 >= 0 && xC + 1 < inDims [ 1 ] && xTexelC$ { m + 1 } Ready == 0 ) {
xTexelC$ { m + 1 } = getX ( batch , xR , xC + 1 , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xC + 2 >= inDims [ 1 ] ) {
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xTexelC$ { m + 1 } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { m + 1 } Ready = 1 ;
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}
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xC$ { m } = vec4 ( xTexelC$ { m } . zw , xTexelC$ { m + 1 } . zw ) ;
` ,m+1<c&&(p+= `
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final = vec4 ( 0.0 ) ;
xCOffset = xC + 1 + strides [ 1 ] ;
if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] ) {
final = getX ( batch , xR , xCOffset , d1 ) ;
}
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xC$ { m + 1 } = vec4 ( xTexelC$ { m + 1 } . xy , final . xy ) ;
` )):(p+= `
if ( xC >= 0 && xC < inDims [ 1 ] && xTexelC$ { m } Ready == 0 ) {
xTexelC$ { m } = getX ( batch , xR , xC , d1 ) ;
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if ( xC + 1 >= inDims [ 1 ] ) {
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xTexelC$ { m } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { m } Ready = 1 ;
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}
xCOffset = xC + strides [ 1 ] ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { m + 1 } Ready == 0 ) {
xTexelC$ { m + 1 } = getX ( batch , xR , xCOffset , d1 ) ;
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if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { m + 1 } . zw = vec2 ( 0. ) ;
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}
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xTexelC$ { m + 1 } Ready = 1 ;
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}
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xC$ { m } = vec4 (
xTexelC$ { m } . xy , xTexelC$ { m + 1 } . xy ) ;
` ,m+1<c&&(p+= `
xC$ { m + 1 } = vec4 ( xTexelC$ { m } . zw , xTexelC$ { m + 1 } . zw ) ;
` )));m<c&&(p+= `
wTexel = getW ( r , $ { m } , d1 , d2 ) ;
dotProd += xC$ { m } . xxzz * vec4 ( wTexel . xy , wTexel . xy ) ;
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if ( d1 + 1 < $ { e . inChannels } ) {
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dotProd += xC$ { m } . yyww * vec4 ( wTexel . zw , wTexel . zw ) ;
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}
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` ,m+1<c&&(p+= `
wTexel = getW ( r , $ { m + 1 } , d1 , d2 ) ;
dotProd += xC$ { m + 1 } . xxzz * vec4 ( wTexel . xy , wTexel . xy ) ;
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if ( d1 + 1 < $ { e . inChannels } ) {
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dotProd += xC$ { m + 1 } . yyww * vec4 ( wTexel . zw , wTexel . zw ) ;
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}
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` ))}p+= `
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}
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` ,p+= `
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}
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` ,p+= `
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}
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` ;let d="",h="";n&&(r?d= ` vec4 activation ( vec4 a ) {
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vec4 b = getPreluActivationWeightsAtOutCoords ( ) ;
$ { n }
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} ` :s?d= ` vec4 activation ( vec4 a ) {
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vec4 b = getLeakyreluAlphaAtOutCoords ( ) ;
$ { n }
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} ` :d= ` vec4 activation ( vec4 x ) {
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$ { n }
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} ` ,h="result = activation(result);");let f=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode= `
$ { d }
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int batch = coords . x ;
ivec2 xRCCorner = coords . yz * strides - pads ;
int d2 = coords . w ;
int xRCorner = xRCCorner . x ;
int xCCorner = xRCCorner . y ;
//intialize dotProd with a small epsilon seems to reduce GPU accuracy loss.
vec4 dotProd = vec4 ( 0.000000000000001 ) ;
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$ { p }
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vec4 result = dotProd - vec4 ( 0.000000000000001 ) ;
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$ { f }
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$ { h }
setOutput ( result ) ;
}
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` }},_ne=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"inputShape",type:"ivec4"},{name:"pad",type:"ivec2"},{name:"stride",type:"ivec2"},{name:"dilation",type:"ivec2"},{name:"inChannels",type:"int"},{name:"itemsPerBlockRow",type:"int"},{name:"outWidth",type:"int"}],this.outputShape=e,this.enableShapeUniforms=xn(this.outputShape.length);let{dataFormat:n}=t,r=An(),s=n==="channelsLast",a=s?1:2,o=s?2:3,i=this.enableShapeUniforms?"if(blockIndex < outShape[2] && pos < outShape[1]) {": ` if ( blockIndex < $ { e [ 2 ] } && pos < $ { e [ 1 ] } ) { ` ,u="";for(let c=0;c<=1;c++)for(let l=0;l<=1;l++)u+= `
blockIndex = rc . z + $ { l } ;
pos = rc . y + $ { c } ;
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$ { i }
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offsetY = int ( blockIndex / outWidth ) * stride [ 0 ] - pad [ 0 ] ;
d0 = offsetY + dilation [ 0 ] * ( pos / itemsPerBlockRow ) ;
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if ( d0 < inputShape [ $ { a } ] && d0 >= 0 ) {
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// Use custom imod instead mod. On Intel GPU, mod may generate
// unexpected value.
// https://github.com/tensorflow/tfjs/issues/5447
offsetX = imod ( blockIndex , outWidth ) * stride [ 1 ] - pad [ 1 ] ;
d1 = offsetX + dilation [ 1 ] * ( imod ( pos , itemsPerBlockRow ) /
inChannels ) ;
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if ( d1 < inputShape [ $ { o } ] && d1 >= 0 ) {
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ch = imod ( pos , inChannels ) ;
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if ( $ { s } ) {
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innerDims = vec2 ( d1 , ch ) ;
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result [ $ { c * 2 + l } ] = getChannel (
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getA ( rc . x , d0 , int ( innerDims . x ) ,
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int ( innerDims . y ) ) , innerDims ) ;
} else {
innerDims = vec2 ( d0 , d1 ) ;
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result [ $ { c * 2 + l } ] = getChannel (
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getA ( rc . x , ch , int ( innerDims . x ) ,
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int ( innerDims . y ) ) , innerDims ) ;
}
}
}
}
` ;this.userCode= `
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void main ( ) {
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ivec3 rc = getOutputCoords ( ) ;
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vec4 result = vec4 ( 0 ) ;
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int blockIndex , pos , offsetY , d0 , offsetX , d1 , ch ;
vec2 innerDims ;
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$ { u }
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$ { r . output } = result ;
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}
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` }};function Af(e,t){let n=e.length;return n>=3?t?[...e.slice(0,-3),e[n-3]*e[n-2],e[n-1]]:[...e.slice(0,-3),e[n-3],e[n-2]*e[n-1]]:!t&&n===1&&e[0]>1?[e[0],1]:null}function fD({x:e,filter:t,convInfo:n,backend:r,bias:s=null,preluActivationWeights:a=null,leakyreluAlpha:o=0,activation:i=null}){let u=e.shape,c=r.texData.get(e.dataId),l=n.inChannels,p=u[0]*u[1]*u[2],d=n.outChannels,h=n.dataFormat==="channelsLast",f=!1,g=!1,m,b=[];if(a!=null){let x=Af(a.shape,h);x!=null&&(a=pe({inputs:{x:a},backend:r,attrs:{shape:x}}),b.push(a))}if(s!=null){let x=Af(s.shape,h);x!=null&&(s=pe({inputs:{x:s},backend:r,attrs:{shape:x}}),b.push(s))}if(!((p===1||d===1)&&l>oD)&&c.isPacked&&h&&c.texture!=null&&u[2]%2!==0&&w.arraysEqual(c.shape.slice(-3),u.slice(-3))){let x=u[0]*u[1]*(u[2]+1),k={dataId:e.dataId,shape:[1,x,n.inChannels],dtype:e.dtype},S=c.shape;c.shape=c.shape.slice(),c.shape[c.shape.length-2]++,w.assert( $ d(c.shape,k.shape),()=> ` packed reshape $ { c . shape } to $ { k . shape } isn ' t free ` );let N=pe({inputs:{x:t},backend:r,attrs:{shape:[1,n.inChannels,n.outChannels]}});b.push(N);let E=Ef({a:k,b:N,backend:r,transposeA:f,transposeB:g,bias:s,activation:i,preluActivationWeights:a,leakyreluAlpha:o}), $ =r.texData.get(E.dataId);w.assert( $ .isPacked,()=>"batchMatMul result is expected to be packed"),c.shape=S, $ .shape=n.outShape,m=sr({inputs:{x:E},backend:r}),m.shape=n.outShape,b.push(E)}else{let x=n.outHeight*n.outWidth,k=pe({inputs:{x:e},backend:r,attrs:{shape:h?[n.batchSize,x,n.inChannels]:[n.batchSize,n.inChannels,x]}}),S=pe({inputs:{x:t},backend:r,attrs:{shape:[1,n.inChannels,n.outChannels]}}),N=Ef({a:h?k:S,b:h?S:k,transposeA:!h,transposeB:g,backend:r,bias:s,activation:i,preluActivationWeights:a,leakyreluAlpha:o});m=pe({inputs:{x:N},backend:r,attrs:{shape:n.outShape}}),b.push(k),b.push(S),b.push(N)}for(let x of b)r.disposeIntermediateTensorInfo(x);return m}function mD({x:e,filter:t,convInfo:n,backend:r,bias:s=null,preluActivationWeights:a=null,leakyreluAlpha:o=0,activation:i=null}){let{filterWidth:u,filterHeight:c,inChannels:l,outWidth:p,outHeight:d,dataFormat:h}=n,f=h==="channelsLast",g=u*c*l,m=d*p,b=[n.batchSize,g,m],y=!0,v=!1,x=[];if(a!=null){let q=Af(a.shape,f);q!=null&&(a=pe({inputs:{x:a},backend:r,attrs:{shape:q}}),x.push(a))}if(s!=null){let q=Af(s.shape,f);q!=null&&(s=pe({inputs:{x:s},backend:r,attrs:{shape:q}}),x.push(s))}let k=pe({inputs:{x:t},backend:r,attrs:{shape:[1,g,w.sizeFromShape(t.shape)/g]}});x.push(k);let S=new _ne(b,n),N=[e.shape,[n.padInfo.top,n.padInfo.left],[n.strideHeight,n.strideWidth],[n.dilationHeight,n.dilationWidth],[n.inChannels],[n.filterWidth*n.inChannels],[n.outWidth]],E=r.runWebGLProgram(S,[e],"float32",N), $ =pe({inputs:{x:E},backend:r,attrs:{shape:b}});x.push(E),x.push( $ );let F=s!=null,D=a!=null,R=i==="leakyrelu",C=i?Fd(i,!0):null,L=new aD(f? $ .shape:k.shape,f?k.shape: $ .shape,f?[n.batchSize,m,n.outChannels]:[n.batchSize,n.outChannels,m],y,v,F,C,D,R),U=f?[ $ ,k]:[k, $ ];if(s&&U.push(s),D&&U.push(a),R){let q=r.makeTensorInfo([],"float32",w.createScalarValue(o,"float32"));U.push(q),x.push(q)}let H=r.runWebGLProgram(L,U,"float32"),K=pe({inputs:{x:H},backend:r,attrs:{shape:n.outShape}});x.push(H);for(let q of x)r.disposeIntermediateTensorInfo(q);return K}function Ene(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dataFormat:u,dilations:c,dimRoundingMode:l}=r,p=T.convertConv2DDataFormat(u),d=T.computeConv2DInfo(s.shape,a.shape,o,c,i,l,!1,p),h;if(d.filterHeight===1&&d.filterWidth===1&&d.dilationHeight===1&&d.dilationWidth===1&&d.strideHeight===1&&d.strideWidth===1&&(d.padInfo.type==="SAME"||d.padInfo.type==="VALID"))h=fD({x:s,filter:a,convInfo:d,backend:n});else if(d.strideWidth<=2&&p==="channelsLast"&&G().getBool("WEBGL_EXP_CONV")){let g=new hD(d),m=[[d.padInfo.top,d.padInfo.left],[d.strideHeight,d.strideWidth],[d.dilationHeight,d.dilationWidth],[d.inHeight,d.inWidth]];h=n.runWebGLProgram(g,[s,a],"float32",m)}else if(G().getBool("WEBGL_CONV_IM2COL"))h=mD({x:s,filter:a,convInfo:d,backend:n});else{let g=new pD(d);h=n.runWebGLProgram(g,[s,a],"float32")}let f=pe({inputs:{x:h},backend:n,attrs:{shape:d.outSha
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
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int wR = coords . x ;
int wC = coords . y ;
int d1 = coords . z ;
int d2 = coords . w ;
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// Convolve x(?, ?, d1) with dy(:, :, d2) to get dw(wR, wC, d1, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0 ;
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for ( int b = 0 ; b < $ { e . batchSize } ; b ++ ) {
for ( int yR = 0 ; yR < $ { e . outHeight } ; yR ++ ) {
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int xR = wR + yR * $ { t } - $ { r } ;
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if ( xR < 0 || xR >= $ { e . inHeight } ) {
continue ;
}
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for ( int yC = 0 ; yC < $ { e . outWidth } ; yC ++ ) {
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int xC = wC + yC * $ { n } - $ { s } ;
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if ( xC < 0 || xC >= $ { e . inWidth } ) {
continue ;
}
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$ { a ? ` float dyValue = getDy(b, yR, yC, d2);
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float xValue = getX ( b , xR , xC , d1 ) ;
dotProd += ( xValue * dyValue ) ; ` : ` float dyValue = getDy ( b , d2 , yR , yC ) ;
float xValue = getX ( b , d1 , xR , xC ) ;
dotProd += ( xValue * dyValue ) ; ` }
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}
}
}
setOutput ( dotProd ) ;
}
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` }}, $ ne=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,s=e.strideWidth,a=e.dataFormat==="channelsLast",o=t-1-e.padInfo.top,i=n-1-e.padInfo.left,u=a?1:2,c=a?2:3,l=a?3:1;this.userCode= `
const ivec2 pads = ivec2 ( $ { o } , $ { i } ) ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
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int d1 = coords [ $ { l } ] ;
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ivec2 dyCorner = ivec2 ( coords [ $ { u } ] , coords [ $ { c } ] ) - pads ;
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int dyRCorner = dyCorner . x ;
int dyCCorner = dyCorner . y ;
// Convolve dy(?, ?, d2) with w(:, :, d1, d2) to compute dx(xR, xC, d1).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0 ;
for ( int wR = 0 ; wR < $ { t } ; wR ++ ) {
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float dyR = float ( dyRCorner + wR ) / $ { r } . 0 ;
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if ( dyR < 0.0 || dyR >= $ { e . outHeight } . 0 || fract ( dyR ) > 0.0 ) {
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continue ;
}
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int idyR = int ( dyR ) ;
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int wRPerm = $ { t } - 1 - wR ;
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for ( int wC = 0 ; wC < $ { n } ; wC ++ ) {
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float dyC = float ( dyCCorner + wC ) / $ { s } . 0 ;
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if ( dyC < 0.0 || dyC >= $ { e . outWidth } . 0 ||
fract ( dyC ) > 0.0 ) {
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continue ;
}
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int idyC = int ( dyC ) ;
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int wCPerm = $ { n } - 1 - wC ;
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for ( int d2 = 0 ; d2 < $ { e . outChannels } ; d2 ++ ) {
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if ( $ { a } ) {
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float xValue = getDy ( batch , idyR , idyC , d2 ) ;
float wValue = getW ( wRPerm , wCPerm , d1 , d2 ) ;
dotProd += xValue * wValue ;
} else {
float xValue = getDy ( batch , d2 , idyR , idyC ) ;
float wValue = getW ( wRPerm , wCPerm , d1 , d2 ) ;
dotProd += xValue * wValue ;
}
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}
}
}
setOutput ( dotProd ) ;
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}
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` }},Fne=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideDepth,n=e.strideHeight,r=e.strideWidth,s=e.padInfo.front,a=e.padInfo.top,o=e.padInfo.left;this.userCode= `
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void main ( ) {
ivec5 coords = getOutputCoords ( ) ;
int wF = coords . x ;
int wR = coords . y ;
int wC = coords . z ;
int d1 = coords . w ;
int d2 = coords . u ;
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float dotProd = 0.0 ;
for ( int b = 0 ; b < $ { e . batchSize } ; b ++ ) {
for ( int yF = 0 ; yF < $ { e . outDepth } ; yF ++ ) {
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int xF = wF + yF * $ { t } - $ { s } ;
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if ( xF < 0 || xF >= $ { e . inDepth } ) {
continue ;
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}
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for ( int yR = 0 ; yR < $ { e . outHeight } ; yR ++ ) {
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int xR = wR + yR * $ { n } - $ { a } ;
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if ( xR < 0 || xR >= $ { e . inHeight } ) {
continue ;
}
for ( int yC = 0 ; yC < $ { e . outWidth } ; yC ++ ) {
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int xC = wC + yC * $ { r } - $ { o } ;
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if ( xC < 0 || xC >= $ { e . inWidth } ) {
continue ;
}
float dyValue = getDy ( b , yF , yR , yC , d2 ) ;
float xValue = getX ( b , xF , xR , xC , d1 ) ;
dotProd += ( xValue * dyValue ) ;
}
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}
}
}
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setOutput ( dotProd ) ;
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}
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` }},Rne=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterDepth,n=e.filterHeight,r=e.filterWidth,s=e.strideDepth,a=e.strideHeight,o=e.strideWidth,i=t-1-e.padInfo.front,u=n-1-e.padInfo.top,c=r-1-e.padInfo.left;this.userCode= `
const ivec3 pads = ivec3 ( $ { i } , $ { u } , $ { c } ) ;
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void main ( ) {
ivec5 coords = getOutputCoords ( ) ;
int batch = coords . x ;
int d1 = coords . u ;
ivec3 dyCorner = ivec3 ( coords . y , coords . z , coords . w ) - pads ;
int dyFCorner = dyCorner . x ;
int dyRCorner = dyCorner . y ;
int dyCCorner = dyCorner . z ;
float dotProd = 0.0 ;
for ( int wF = 0 ; wF < $ { t } ; wF ++ ) {
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float dyF = float ( dyFCorner + wF ) / $ { s } . 0 ;
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if ( dyF < 0.0 || dyF >= $ { e . outDepth } . 0 || fract ( dyF ) > 0.0 ) {
continue ;
}
int idyF = int ( dyF ) ;
int wFPerm = $ { t } - 1 - wF ;
for ( int wR = 0 ; wR < $ { n } ; wR ++ ) {
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float dyR = float ( dyRCorner + wR ) / $ { a } . 0 ;
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if ( dyR < 0.0 || dyR >= $ { e . outHeight } . 0 ||
fract ( dyR ) > 0.0 ) {
continue ;
}
int idyR = int ( dyR ) ;
int wRPerm = $ { n } - 1 - wR ;
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for ( int wC = 0 ; wC < $ { r } ; wC ++ ) {
float dyC = float ( dyCCorner + wC ) / $ { o } . 0 ;
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if ( dyC < 0.0 || dyC >= $ { e . outWidth } . 0 ||
fract ( dyC ) > 0.0 ) {
continue ;
}
int idyC = int ( dyC ) ;
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int wCPerm = $ { r } - 1 - wC ;
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for ( int d2 = 0 ; d2 < $ { e . outChannels } ; d2 ++ ) {
float xValue = getDy ( batch , idyF , idyR , idyC , d2 ) ;
float wValue = getW ( wFPerm , wRPerm , wCPerm , d1 , d2 ) ;
dotProd += xValue * wValue ;
}
}
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}
}
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setOutput ( dotProd ) ;
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}
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` }};function Pne(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,pad:i,dataFormat:u,dimRoundingMode:c,filterShape:l}=r,p=T.convertConv2DDataFormat(u),d=T.computeConv2DInfo(s.shape,l,o,1,i,c,!1,p),h=new Dne(d);return n.runWebGLProgram(h,[s,a],"float32")}var One={kernelName:Lf,backendName:"webgl",kernelFunc:Pne},Mne=class{constructor(e){this.variableNames=["dy","W"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"strides",type:"vec2"}],this.outputShape=e.inShape,this.enableShapeUniforms=xn(this.outputShape.length);let t=e.filterHeight,n=e.filterWidth,r=t-1-e.padInfo.top,s=n-1-e.padInfo.left;this.userCode= `
const ivec2 pads = ivec2 ( $ { r } , $ { s } ) ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
int d1 = coords [ 3 ] ;
ivec2 dyCorner = ivec2 ( coords [ 1 ] , coords [ 2 ] ) - pads ;
int dyRCorner = dyCorner . x ;
int dyCCorner = dyCorner . y ;
vec4 result = vec4 ( 0. ) ;
for ( int wR = 0 ; wR < $ { t } ; wR ++ ) {
float dyR = float ( dyRCorner + wR ) / strides [ 0 ] ;
if ( dyR < 0.0 || dyR >= $ { e . outHeight } . 0 || fract ( dyR ) > 0.0 ) {
continue ;
}
int idyR = int ( dyR ) ;
int wRPerm = $ { t } - 1 - wR ;
for ( int wC = 0 ; wC < $ { n } ; wC ++ ) {
int wCPerm = $ { n } - 1 - wC ;
float dyC = float ( dyCCorner + wC ) / strides [ 1 ] ;
bool idyCVal = ( dyC >= 0.0 ) && ( dyC < $ { e . outWidth } . 0 )
&& ( fract ( dyC ) == 0.0 ) ;
int idyC = int ( dyC ) ;
float dyC2 = float ( dyCCorner + wC + 1 ) / strides [ 1 ] ;
bool idyCVal2 = ( dyC2 >= 0.0 ) && ( dyC2 < $ { e . outWidth } . 0 )
&& ( fract ( dyC2 ) == 0.0 ) ;
int idyC2 = int ( dyC2 ) ;
if ( idyCVal && idyCVal2 ) {
for ( int d2 = 0 ; d2 < $ { e . outChannels } ; d2 += 2 ) {
vec4 wValue = getW ( wRPerm , wCPerm , d1 , d2 ) ;
vec4 dySample = getDy ( batch , idyR , idyC , d2 ) ;
vec4 dySample2 = ( idyC / 2 == idyC2 / 2 ) ?
dySample : getDy ( batch , idyR , idyC2 , d2 ) ;
vec2 dyValue = mod ( float ( idyC ) , 2. ) == 0. ?
dySample . xy : dySample . zw ;
result . xy += vec2 ( dot ( dyValue , wValue . xy ) ,
dot ( dyValue , wValue . zw ) ) ;
dyValue = mod ( float ( idyC2 ) , 2. ) == 0. ?
dySample2 . xy : dySample2 . zw ;
result . zw += vec2 ( dot ( dyValue , wValue . xy ) ,
dot ( dyValue , wValue . zw ) ) ;
}
} else if ( idyCVal ) {
for ( int d2 = 0 ; d2 < $ { e . outChannels } ; d2 += 2 ) {
vec4 wValue = getW ( wRPerm , wCPerm , d1 , d2 ) ;
vec4 dySample = getDy ( batch , idyR , idyC , d2 ) ;
vec2 dyValue = mod ( float ( idyC ) , 2. ) == 0. ?
dySample . xy : dySample . zw ;
result . xy += vec2 ( dot ( dyValue , wValue . xy ) ,
dot ( dyValue , wValue . zw ) ) ;
}
} else if ( idyCVal2 ) {
for ( int d2 = 0 ; d2 < $ { e . outChannels } ; d2 += 2 ) {
vec4 wValue = getW ( wRPerm , wCPerm , d1 , d2 ) ;
vec4 dySample = getDy ( batch , idyR , idyC2 , d2 ) ;
vec2 dyValue = mod ( float ( idyC2 ) , 2. ) == 0. ?
dySample . xy : dySample . zw ;
result . zw += vec2 ( dot ( dyValue , wValue . xy ) ,
dot ( dyValue , wValue . zw ) ) ;
}
}
}
}
setOutput ( result ) ;
}
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` }};function Lne(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{inputShape:o,strides:i,pad:u,dataFormat:c,dimRoundingMode:l}=r,p=T.convertConv2DDataFormat(c),d=T.computeConv2DInfo(o,a.shape,i,1,u,l,!1,p);if(G().getBool("WEBGL_PACK_CONV2DTRANSPOSE")&&p==="channelsLast"){let h=[[d.strideHeight,d.strideWidth]],f=new Mne(d);return n.runWebGLProgram(f,[s,a],"float32",h)}else{let h=new $ ne(d);return n.runWebGLProgram(h,[s,a],"float32")}}var Bne={kernelName:Vo,backendName:"webgl",kernelFunc:Lne};function zne(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dilations:u}=r,c=T.computeConv3DInfo(s.shape,a.shape,o,u,i),l=new Nne(c);return n.runWebGLProgram(l,[s,a],"float32")}var Wne={kernelName:Uo,backendName:"webgl",kernelFunc:zne};function Vne(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,pad:i,filterShape:u}=r,c=T.computeConv3DInfo(s.shape,u,o,1,i),l=new Fne(c);return n.runWebGLProgram(l,[s,a],"float32")}var Une={kernelName:vc,backendName:"webgl",kernelFunc:Vne};function Gne(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{pad:o,strides:i,inputShape:u}=r,c=T.computeConv3DInfo(u,a.shape,i,1,o),l=new Rne(c);return n.runWebGLProgram(l,[s,a],"float32")}var Hne={kernelName:xc,backendName:"webgl",kernelFunc:Gne},jne=Nl+ `
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return cos ( x ) ;
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` ,qne= `
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vec4 result = cos ( x ) ;
bvec4 isNaN = isnan ( x ) ;
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$ { nu }
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return result ;
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` ,Kne=Ze({opSnippet:jne,packedOpSnippet:qne}),Xne={kernelName:Go,backendName:"webgl",kernelFunc:Kne},Yne= `
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float e2x = exp ( - x ) ;
return ( e2x + 1.0 / e2x ) / 2.0 ;
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` ,Zne=Ze({opSnippet:Yne}),Jne={kernelName:Ho,backendName:"webgl",kernelFunc:Zne},Qne=class{constructor(e,t,n,r,s){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];let[a,o,i,u]=e,[c]=t,[l,p]=n;this.outputShape=[c,l,p,u];let d=r==="bilinear"?1:0,[h,f]=[ ` $ { o - 1 } . 0 ` , ` $ { i - 1 } . 0 ` ],[g,m,b]=l>1?[ ` $ { ( o - 1 ) / ( l - 1 ) } ` ,"(y2-y1) * height_ratio", ` y1 * $ { h } + float ( y ) * ( height _scale ) ` ]:["0.0","0.0", ` 0.5 * ( y1 + y2 ) * $ { h } ` ],[y,v,x]=p>1?[ ` $ { ( i - 1 ) / ( p - 1 ) } ` ,"(x2-x1) * width_ratio", ` x1 * $ { f } + float ( x ) * ( width _scale ) ` ]:["0.0","0.0", ` 0.5 * ( x1 + x2 ) * $ { f } ` ];this.userCode= `
const float height _ratio = float ( $ { g } ) ;
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const float width _ratio = float ( $ { y } ) ;
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void main ( ) {
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ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int y = coords [ 1 ] ;
int x = coords [ 2 ] ;
int d = coords [ 3 ] ;
// get box vals
float y1 = getBoxes ( b , 0 ) ;
float x1 = getBoxes ( b , 1 ) ;
float y2 = getBoxes ( b , 2 ) ;
float x2 = getBoxes ( b , 3 ) ;
// get image in batch index
int bInd = round ( getBoxInd ( b ) ) ;
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if ( bInd < 0 || bInd >= $ { a } ) {
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return ;
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}
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float height _scale = $ { m } ;
float width _scale = $ { v } ;
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float in _y = $ { b } ;
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if ( in _y < 0.0 || in _y > $ { h } ) {
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setOutput ( float ( $ { s } ) ) ;
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return ;
}
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float in _x = $ { x } ;
if ( in _x < 0.0 || in _x > $ { f } ) {
setOutput ( float ( $ { s } ) ) ;
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return ;
}
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vec2 sourceFracIndexCR = vec2 ( in _x , in _y ) ;
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if ( $ { d } == 1 ) {
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// Compute the four integer indices.
ivec2 sourceFloorCR = ivec2 ( sourceFracIndexCR ) ;
ivec2 sourceCeilCR = ivec2 ( ceil ( sourceFracIndexCR ) ) ;
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float topLeft = getImage ( b , sourceFloorCR . y , sourceFloorCR . x , d ) ;
float bottomLeft = getImage ( b , sourceCeilCR . y , sourceFloorCR . x , d ) ;
float topRight = getImage ( b , sourceFloorCR . y , sourceCeilCR . x , d ) ;
float bottomRight = getImage ( b , sourceCeilCR . y , sourceCeilCR . x , d ) ;
vec2 fracCR = sourceFracIndexCR - vec2 ( sourceFloorCR ) ;
float top = topLeft + ( topRight - topLeft ) * fracCR . x ;
float bottom = bottomLeft + ( bottomRight - bottomLeft ) * fracCR . x ;
float newValue = top + ( bottom - top ) * fracCR . y ;
setOutput ( newValue ) ;
} else {
// Compute the coordinators of nearest neighbor point.
ivec2 sourceNearestCR = ivec2 ( floor (
sourceFracIndexCR + vec2 ( 0.5 , 0.5 ) ) ) ;
float newValue = getImage ( b , sourceNearestCR . y , sourceNearestCR . x , d ) ;
setOutput ( newValue ) ;
}
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}
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` }},ere=e=>{let{inputs:t,backend:n,attrs:r}=e,{image:s,boxes:a,boxInd:o}=t,{cropSize:i,method:u,extrapolationValue:c}=r,l=new Qne(s.shape,a.shape,i,u,c);return n.runWebGLProgram(l,[s,a,o],"float32")},tre={kernelName:Ic,backendName:"webgl",kernelFunc:ere},Pd;(function(e){e.Prod="*",e.Sum="+"})(Pd||(Pd={}));var B1=class{constructor(e,t,n,r){this.op=e,this.outputShape=t,this.variableNames=["x"],this.customUniforms=[{name:"index",type:"float"}];let s=this.outputShape.length,a=this.op===Pd.Prod?"1.0":"0.0",o=n?a: ` getX ( $ { z1 ( s , "coords" , this . op ) } ) ` ,i=this.outputShape[this.outputShape.length-1],u="",c="";n?(u=r? ` end != $ { i - 1 } ` :"end != 0",c=r?"end + 1":"end - 1"):(u=r? ` end + pow2 < $ { i } ` :"end >= pow2",c=r?"end + pow2":"end - pow2"),this.userCode= `
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void main ( ) {
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$ { ht ( s ) } coords = getOutputCoords ( ) ;
int end = $ { W1 ( s , "coords" , this . op ) } ;
float val = $ { o } ;
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int pow2 = int ( pow ( 2.0 , index ) ) ;
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if ( $ { u } ) {
int idx = $ { c } ;
$ { W1 ( s , "coords" , this . op ) } = idx ;
val $ { this . op } = getX ( $ { z1 ( s , "coords" , this . op ) } ) ;
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}
setOutput ( val ) ;
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}
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` }};function z1(e,t,n){if(e===1)return ` $ { t } ` ;if(e===2)return ` $ { t } . x , $ { t } . y ` ;if(e===3)return ` $ { t } . x , $ { t } . y , $ { t } . z ` ;if(e===4)return ` $ { t } . x , $ { t } . y , $ { t } . z , $ { t } . w ` ;throw new Error( ` Cumulative $ { n } for rank $ { e } is not yet supported ` )}function W1(e,t,n){if(e===1)return ` $ { t } ` ;if(e===2)return ` $ { t } . y ` ;if(e===3)return ` $ { t } . z ` ;if(e===4)return ` $ { t } . w ` ;throw new Error( ` Cumulative $ { n } for rank $ { e } is not yet supported ` )}function gD(e,t,n,r,s,a){let o=t.shape.length,i=T.getAxesPermutation([r],o),u=t;i!=null&&(u=Tn({inputs:{x:t},backend:n,attrs:{perm:i}}));let c=T.getInnerMostAxes(1,o)[0];if(c!==o-1)throw new Error( ` WebGL cumprod shader expects an inner - most axis = $ { t . shape . length - 1 } but got axis = $ { r } ` );let l=u.shape[c],p=sr({inputs:{x:u},backend:n});for(let d=0;d<=Math.ceil(Math.log2(l))-1;d++){let h=new B1(e,u.shape,!1,a),f=[[d]],g=p;p=n.runWebGLProgram(h,[p],p.dtype,f),n.disposeIntermediateTensorInfo(g)}if(s){let d=new B1(e,u.shape,s,a),h=p;p=n.runWebGLProgram(d,[p],p.dtype),n.disposeIntermediateTensorInfo(h)}if(i!=null){let d=T.getUndoAxesPermutation(i),h=Tn({inputs:{x:p},backend:n,attrs:{perm:d}});return n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(u),h}return p}function nre(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,exclusive:o,reverse:i}=r;return gD(Pd.Prod,s,n,a,o,i)}var rre={kernelName:wc,backendName:"webgl",kernelFunc:nre};function sre(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,exclusive:o,reverse:i}=r;return gD(Pd.Sum,s,n,a,o,i)}var are={kernelName:jo,backendName:"webgl",kernelFunc:sre};function ore(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,weights:a}=t,{size:o,binaryOutput:i}=r;if(s.shape.length===1){let u=n.readSync(s.dataId),c=n.readSync(a.dataId),l=KA(u,c,a.dtype,a.shape,o);return n.makeTensorInfo([o],a.dtype,l)}else if(s.shape.length===2){let u=n.bufferSync(s),c=n.bufferSync(a),l=uQ(u,c,o,i);return n.makeTensorInfo(l.shape,a.dtype,l.values)}throw new Error( ` Error in denseBincount : input must be at most rank 2 , but got rank$ { s . shape . length } . ` )}var ire={kernelName:Ud,backendName:"webgl",kernelFunc:ore},ure=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=[],this.outputShape=e,this.blockSize=t,this.dataFormat=n,this.userCode= `
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int h = $ { this . getHeightCoordString ( ) } ;
int w = $ { this . getWidthCoordString ( ) } ;
int d = $ { this . getDepthCoordString ( ) } ;
int in _h = h / $ { t } ;
int offset _h = imod ( h , $ { t } ) ;
int in _w = w / $ { t } ;
int offset _w = imod ( w , $ { t } ) ;
int offset _d = ( offset _h * $ { t } + offset _w ) *
$ { this . getOutputDepthSize ( ) } ;
int in _d = d + offset _d ;
float result = $ { this . getInputSamplingString ( ) } ;
setOutput ( result ) ;
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}
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` }getHeightCoordString(){return this.dataFormat==="NHWC"?"coords[1]":"coords[2]"}getWidthCoordString(){return this.dataFormat==="NHWC"?"coords[2]":"coords[3]"}getDepthCoordString(){return this.dataFormat==="NHWC"?"coords[3]":"coords[1]"}getOutputDepthSize(){return this.dataFormat==="NHWC"?this.outputShape[3]:this.outputShape[1]}getInputSamplingString(){return this.dataFormat==="NHWC"?"getX(b, in_h, in_w, in_d)":"getX(b, in_d, in_h, in_w)"}};function cre(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockSize:a,dataFormat:o}=r,i=s.shape[0],u=o==="NHWC"?s.shape[1]:s.shape[2],c=o==="NHWC"?s.shape[2]:s.shape[3],l=o==="NHWC"?s.shape[3]:s.shape[1],p=u*a,d=c*a,h=l/(a*a),f=o==="NHWC"?[i,p,d,h]:[i,h,p,d],g=new ure(f,a,o);return n.runWebGLProgram(g,[s],s.dtype)}var lre={kernelName:kc,backendName:"webgl",kernelFunc:cre},bD=class{constructor(e,t=!1,n=null,r=!1,s=!1){this.variableNames=["x","W"],this.customUniforms=[{name:"pads",type:"ivec2"},{name:"strides",type:"ivec2"},{name:"dilations",type:"ivec2"},{name:"inDims",type:"ivec2"}],this.outputShape=e.outShape,this.enableShapeUniforms=xn(this.outputShape.length);let a=e.filterHeight,o=e.filterWidth,i=e.outChannels/e.inChannels,u="",c="";n&&(r?u= ` float activation ( float a ) {
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float b = getPreluActivationWeightsAtOutCoords ( ) ;
$ { n }
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} ` :s?u= ` float activation ( float a ) {
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float b = getLeakyreluAlphaAtOutCoords ( ) ;
$ { n }
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} ` :u= `
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float activation ( float x ) {
$ { n }
}
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` ,c="result = activation(result);");let l=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode= `
$ { u }
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int batch = coords . x ;
ivec2 xRCCorner = coords . yz * strides - pads ;
int d2 = coords . w ;
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int d1 = d2 / $ { i } ;
int q = d2 - d1 * $ { i } ;
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int xRCorner = xRCCorner . x ;
int xCCorner = xRCCorner . y ;
// Convolve x(?, ?, d1) with w(:, :, d1, q) to get y(yR, yC, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0 ;
// TO DO(dsmilkov): Flatten the two for loops and vec4 the operations.
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for ( int wR = 0 ; wR < $ { a } ; wR ++ ) {
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int xR = xRCorner + wR * dilations [ 0 ] ;
if ( xR < 0 || xR >= inDims [ 0 ] ) {
continue ;
}
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for ( int wC = 0 ; wC < $ { o } ; wC ++ ) {
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int xC = xCCorner + wC * dilations [ 1 ] ;
if ( xC < 0 || xC >= inDims [ 1 ] ) {
continue ;
}
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float xVal = getX ( batch , xR , xC , d1 ) ;
float wVal = getW ( wR , wC , d1 , q ) ;
dotProd += xVal * wVal ;
}
}
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float result = dotProd ;
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$ { l }
$ { c }
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setOutput ( result ) ;
}
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` }},yD=class{constructor(e,t=!1,n=null,r=!1,s=!1){this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"pads",type:"ivec2"},{name:"strides",type:"ivec2"},{name:"dilations",type:"ivec2"},{name:"inDims",type:"ivec2"}],this.outputShape=e.outShape,this.enableShapeUniforms=xn(this.outputShape.length);let a=e.outChannels/e.inChannels,o=e.padInfo.left,i=e.strideWidth,u=e.dilationWidth,c=e.filterHeight,l=e.filterWidth,p=l,d= `
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int xR ; int xC ; int xCOffset ;
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vec4 wTexel ; vec4 previous ; vec4 final ; ` ;for(let m=0;m<l;m++)d+= `
vec4 xTexelC$ { m * 2 } ;
int xTexelC$ { m * 2 } Ready ;
vec4 xTexelC$ { m * 2 + 1 } ;
int xTexelC$ { m * 2 + 1 } Ready ;
vec4 xC$ { m } ; ` ;d+= `
for ( int r = 0 ; r < $ { c } ; r ++ ) {
` ;for(let m=0;m<l;m++)d+= `
xTexelC$ { m * 2 } = vec4 ( 0.0 ) ;
xTexelC$ { m * 2 } Ready = 0 ;
xTexelC$ { m * 2 + 1 } = vec4 ( 0.0 ) ;
xTexelC$ { m * 2 + 1 } Ready = 0 ;
xC$ { m } = vec4 ( 0.0 ) ; ` ;d+= `
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xR = xRCorner + r * dilations [ 0 ] ;
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if ( xR >= 0 && xR < inDims [ 0 ] ) {
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` ;for(let m=0;m<(p+1)/2;m++){let b=m*2;if(d+= `
xC = xCCorner + $ { b * u } ;
` ,i===1){if(b<l&&(o%2===1?(d+= `
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xCOffset = xC + 1 ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { b } Ready == 0 ) {
xTexelC$ { b } = getX ( batch , xR , xCOffset , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { b } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { b } Ready = 1 ;
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}
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` ,u===1&&b>0?d+= `
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xC$ { b } = vec4 ( xTexelC$ { b - 2 } . zw , xTexelC$ { b } . xy ) ;
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` :d+= `
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xCOffset = xC + 1 - 2 ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] ) {
previous = getX ( batch , xR , xCOffset , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xCOffset + 1 >= inDims [ 1 ] ) {
previous . zw = vec2 ( 0.0 ) ;
}
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xC$ { b } = vec4 ( previous . zw , xTexelC$ { b } . xy ) ;
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} else {
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xC$ { b } = vec4 ( 0.0 , 0.0 , xTexelC$ { b } . xy ) ;
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}
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` ):d+= `
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if ( xC >= 0 && xC < inDims [ 1 ] && xTexelC$ { b } Ready == 0 ) {
xTexelC$ { b } = getX ( batch , xR , xC , d1 ) ;
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if ( xC + 1 >= inDims [ 1 ] ) {
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xTexelC$ { b } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { b } Ready = 1 ;
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}
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xC$ { b } = xTexelC$ { b } ;
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` ,b+1<l)){let y=o%2===0?w.nearestLargerEven(u):u;u%2===0&&o%2===1||u%2!==0&&o%2!==1?(d+= `
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xCOffset = xC + imod ( pads [ 1 ] , 2 ) + $ { y } ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { b + 1 } Ready == 0 ) {
xTexelC$ { b + 1 } = getX ( batch , xR , xCOffset , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { b + 1 } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { b + 1 } Ready = 1 ;
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}
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` ,u>1?d+= `
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xCOffset -= 2 ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] ) {
previous = getX ( batch , xR , xCOffset , d1 ) ;
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xC$ { b + 1 } = vec4 ( previous . zw , xTexelC$ { b + 1 } . xy ) ;
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} else {
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xC$ { b + 1 } = vec4 ( 0.0 , 0.0 , xTexelC$ { b + 1 } . xy ) ;
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}
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` :d+= `
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xC$ { b + 1 } = vec4 ( xTexelC$ { b } . zw , xTexelC$ { b + 1 } . xy ) ;
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` ):y===1?d+= `
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xC$ { b + 1 } = xTexelC$ { b } ;
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` :d+= `
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xCOffset = xC + $ { y } ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { b + 1 } Ready == 0 ) {
xTexelC$ { b + 1 } = getX ( batch , xR , xCOffset , d1 ) ;
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if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { b + 1 } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { b + 1 } Ready = 1 ;
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}
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xC$ { b + 1 } = xTexelC$ { b + 1 } ;
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` }}else b<l&&(o%2===1?(d+= `
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xCOffset = xC + 1 - strides [ 1 ] ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { b } Ready == 0 ) {
xTexelC$ { b } = getX ( batch , xR , xCOffset , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { b } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { b } Ready = 1 ;
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}
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if ( xC + 1 >= 0 && xC + 1 < inDims [ 1 ] && xTexelC$ { b + 1 } Ready == 0 ) {
xTexelC$ { b + 1 } = getX ( batch , xR , xC + 1 , d1 ) ;
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// Need to manually clear unused channels in case
// we're reading from recycled texture.
if ( xC + 2 >= inDims [ 1 ] ) {
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xTexelC$ { b + 1 } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { b + 1 } Ready = 1 ;
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}
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xC$ { b } = vec4 ( xTexelC$ { b } . zw , xTexelC$ { b + 1 } . zw ) ;
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` ,b+1<l&&(d+= `
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final = vec4 ( 0.0 ) ;
xCOffset = xC + 1 + strides [ 1 ] ;
if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] ) {
final = getX ( batch , xR , xCOffset , d1 ) ;
}
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xC$ { b + 1 } = vec4 ( xTexelC$ { b + 1 } . xy , final . xy ) ;
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` )):(d+= `
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if ( xC >= 0 && xC < inDims [ 1 ] && xTexelC$ { b } Ready == 0 ) {
xTexelC$ { b } = getX ( batch , xR , xC , d1 ) ;
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if ( xC + 1 >= inDims [ 1 ] ) {
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xTexelC$ { b } . zw = vec2 ( 0.0 ) ;
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}
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xTexelC$ { b } Ready = 1 ;
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}
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xCOffset = xC + strides [ 1 ] ;
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if ( xCOffset >= 0 && xCOffset < inDims [ 1 ] && xTexelC$ { b + 1 } Ready == 0 ) {
xTexelC$ { b + 1 } = getX ( batch , xR , xCOffset , d1 ) ;
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if ( xCOffset + 1 >= inDims [ 1 ] ) {
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xTexelC$ { b + 1 } . zw = vec2 ( 0. ) ;
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}
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xTexelC$ { b + 1 } Ready = 1 ;
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}
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xC$ { b } = vec4 (
xTexelC$ { b } . xy , xTexelC$ { b + 1 } . xy ) ;
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` ,b+1<l&&(d+= `
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xC$ { b + 1 } = vec4 ( xTexelC$ { b } . zw , xTexelC$ { b + 1 } . zw ) ;
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` )));b<l&&(d+= `
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wTexel = getW ( r , $ { b } , d1 , q ) ;
dotProd += xC$ { b } * vec4 ( wTexel . xz , wTexel . xz ) ;
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` ,b+1<l&&(d+= `
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wTexel = getW ( r , $ { b + 1 } , d1 , q ) ;
dotProd += xC$ { b + 1 } * vec4 ( wTexel . xz , wTexel . xz ) ;
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` ))}d+= `
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}
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` ,d+= `
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}
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` ;let h="",f="";n&&(r?h= ` vec4 activation ( vec4 a ) {
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vec4 b = getPreluActivationWeightsAtOutCoords ( ) ;
$ { n }
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} ` :s?h= ` vec4 activation ( vec4 a ) {
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vec4 b = getLeakyreluAlphaAtOutCoords ( ) ;
$ { n }
} ` :h= ` vec4 activation ( vec4 x ) {
$ { n }
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} ` ,f="result = activation(result);");let g=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode= `
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$ { h }
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int batch = coords . x ;
ivec2 xRCCorner = coords . yz * strides - pads ;
int d2 = coords . w ;
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int d1 = d2 / $ { a } ;
int q = d2 - d1 * $ { a } ;
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int xRCorner = xRCCorner . x ;
int xCCorner = xRCCorner . y ;
//intialize dotProd with a small epsilon seems to reduce GPU accuracy loss.
vec4 dotProd = vec4 ( 0.000000000000001 ) ;
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$ { d }
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vec4 result = dotProd - vec4 ( 0.000000000000001 ) ;
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$ { g }
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$ { f }
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setOutput ( result ) ;
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}
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` }};function dre(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dilations:u,dimRoundingMode:c}=r,l=u;l==null&&(l=[1,1]),w.assert(T.eitherStridesOrDilationsAreOne(o,l),()=> ` Error in depthwiseConv2d : Either strides or dilations must be 1. Got strides $ { o } and dilations '${l}' ` );let p=T.computeConv2DInfo(s.shape,a.shape,o,l,i,c,!0),d;G().getBool("WEBGL_PACK_DEPTHWISECONV")&&p.strideWidth<=2&&p.outChannels/p.inChannels===1?d=new yD(p):d=new bD(p);let h=[[p.padInfo.top,p.padInfo.left],[p.strideHeight,p.strideWidth],[p.dilationHeight,p.dilationWidth],[p.inHeight,p.inWidth]];return n.runWebGLProgram(d,[s,a],"float32",h)}var pre={kernelName:qo,backendName:"webgl",kernelFunc:dre},hre=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideHeight,n=e.strideWidth,r=e.padInfo.top,s=e.padInfo.left,a=e.outChannels/e.inChannels;this.userCode= `
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int wR = coords . x ;
int wC = coords . y ;
int d1 = coords . z ;
int dm = coords . w ;
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int d2 = d1 * $ { a } + dm ;
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float dotProd = 0.0 ;
// TO DO: Vec4 over the batch size
for ( int b = 0 ; b < $ { e . batchSize } ; b ++ ) {
for ( int yR = 0 ; yR < $ { e . outHeight } ; yR ++ ) {
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int xR = wR + yR * $ { t } - $ { r } ;
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if ( xR < 0 || xR >= $ { e . inHeight } ) {
continue ;
}
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for ( int yC = 0 ; yC < $ { e . outWidth } ; yC ++ ) {
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int xC = wC + yC * $ { n } - $ { s } ;
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if ( xC < 0 || xC >= $ { e . inWidth } ) {
continue ;
}
float dyValue = getDy ( b , yR , yC , d2 ) ;
float xValue = getX ( b , xR , xC , d1 ) ;
dotProd += ( xValue * dyValue ) ;
}
}
}
setOutput ( dotProd ) ;
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}
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` }},fre=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,s=e.strideWidth,a=t-1-e.padInfo.top,o=n-1-e.padInfo.left,i=e.outChannels/e.inChannels;this.userCode= `
const ivec2 pads = ivec2 ( $ { a } , $ { o } ) ;
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void main ( ) {
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ivec4 coords = getOutputCoords ( ) ;
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int batch = coords [ 0 ] ;
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int d1 = coords [ 3 ] ;
ivec2 dyCorner = coords . yz - pads ;
int dyRCorner = dyCorner . x ;
int dyCCorner = dyCorner . y ;
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float dotProd = 0.0 ;
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for ( int wR = 0 ; wR < $ { t } ; wR ++ ) {
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float dyR = float ( dyRCorner + wR ) / $ { r } . 0 ;
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if ( dyR < 0.0 || dyR >= $ { e . outHeight } . 0 || fract ( dyR ) > 0.0 ) {
continue ;
}
int idyR = int ( dyR ) ;
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int wRPerm = $ { t } - 1 - wR ;
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for ( int wC = 0 ; wC < $ { n } ; wC ++ ) {
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float dyC = float ( dyCCorner + wC ) / $ { s } . 0 ;
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if ( dyC < 0.0 || dyC >= $ { e . outWidth } . 0 ||
fract ( dyC ) > 0.0 ) {
continue ;
}
int idyC = int ( dyC ) ;
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int wCPerm = $ { n } - 1 - wC ;
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// TO DO: Vec4 over the channelMul
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for ( int dm = 0 ; dm < $ { i } ; dm ++ ) {
int d2 = d1 * $ { i } + dm ;
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float xValue = getDy ( batch , idyR , idyC , d2 ) ;
float wValue = getW ( wRPerm , wCPerm , d1 , dm ) ;
dotProd += xValue * wValue ;
}
}
}
setOutput ( dotProd ) ;
}
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` }};function mre(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,dilations:i,pad:u,dimRoundingMode:c,filterShape:l}=r,p=T.computeConv2DInfo(s.shape,l,o,i,u,c,!0),d=new hre(p);return n.runWebGLProgram(d,[s,a],"float32")}var gre={kernelName:Bf,backendName:"webgl",kernelFunc:mre};function bre(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{strides:o,dilations:i,pad:u,dimRoundingMode:c,inputShape:l}=r,p=T.computeConv2DInfo(l,a.shape,o,i,u,c,!0),d=new fre(p);return n.runWebGLProgram(d,[s,a],"float32")}var yre={kernelName:zf,backendName:"webgl",kernelFunc:bre},vre=class{constructor(e){this.variableNames=["X"],this.outputShape=[e,e],this.userCode= `
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void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
float val = coords [ 0 ] == coords [ 1 ] ? getX ( coords [ 0 ] ) : 0.0 ;
setOutput ( val ) ;
}
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` }};function xre(e){let{inputs:t,backend:n}=e,{x:r}=t,s=[...r.shape,...r.shape],a=w.sizeFromShape(r.shape),o=pe({inputs:{x:r},backend:n,attrs:{shape:[a]}}),i=new vre(a),u=n.runWebGLProgram(i,[o],o.dtype),c=pe({inputs:{x:u},backend:n,attrs:{shape:s}});return n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(u),c}var wre={kernelName:Gd,backendName:"webgl",kernelFunc:xre},Ire=class{constructor(e){this.variableNames=["x","W"],this.outputShape=e.outShape;let{inHeight:t,inWidth:n,padInfo:r,strideHeight:s,strideWidth:a,filterHeight:o,filterWidth:i,dilationHeight:u,dilationWidth:c}=e,{top:l,left:p}=r;this.userCode= `
const ivec2 strides = ivec2 ( $ { s } , $ { a } ) ;
const ivec2 pads = ivec2 ( $ { l } , $ { p } ) ;
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const float neg _infinity = - 3.4 e38 ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int batch = coords . x ;
int d1 = coords . w ;
ivec2 outTopLeftCorner =
coords . yz * strides - pads ;
int hBeg = outTopLeftCorner . x ;
int wBeg = outTopLeftCorner . y ;
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float curVal = neg _infinity ;
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for ( int h = 0 ; h < $ { o } ; h ++ ) {
int hIn = hBeg + h * $ { u } ;
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if ( hIn >= 0 && hIn < $ { t } ) {
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for ( int w = 0 ; w < $ { i } ; w ++ ) {
int wIn = wBeg + w * $ { c } ;
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if ( wIn >= 0 && wIn < $ { n } ) {
float xVal = getX ( batch , hIn , wIn , d1 ) ;
float wVal = getW ( h , w , d1 ) ;
float val = xVal + wVal ;
if ( val > curVal ) {
curVal = val ;
}
}
}
}
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}
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float result = curVal ;
setOutput ( result ) ;
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}
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` }};function kre(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dilations:u}=r,c=T.computeDilation2DInfo(s.shape,a.shape,o,i,"NHWC",u),l,p=new Ire(c);l=n.runWebGLProgram(p,[s,a],"float32");let d=pe({inputs:{x:l},backend:n,attrs:{shape:c.outShape}});return n.disposeIntermediateTensorInfo(l),d}var Sre={kernelName:Ko,backendName:"webgl",kernelFunc:kre};function Cre(e){let{inputs:t,backend:n,attrs:r}=e,{equation:s}=r,a=t,{allDims:o,summedDims:i,idDims:u}=T.decodeEinsumEquation(s,a.length);T.checkEinsumDimSizes(o.length,u,a);let{path:c,steps:l}=T.getEinsumComputePath(i,u),p=l.length,d=null,h=o.length,f=[];for(let g=0;g<p;++g){for(let m of l[g]){let{permutationIndices:b,expandDims:y}=T.getEinsumPermutation(h,u[m]),v;T.isIdentityPermutation(b)?v=a[m]:(v=Tn({inputs:{x:a[m]},backend:n,attrs:{perm:b}}),f.push(v));let x=v.shape.slice();for(let k=0;k<y.length;++k)x.splice(y[k],0,1);w.arraysEqual(v.shape,x)||(v=pe({inputs:{x:v},backend:n,attrs:{shape:x}}),f.push(v)),d===null?d=v:(d=y0({inputs:{a:v,b:d},backend:n}),f.push(d))}g<p-1&&(c[g]>=0&&(d=ng({inputs:{x:d},backend:n,attrs:{axis:c[g]-(o.length-h),keepDims:!1}}),f.push(d)),h--)}for(let g of f)g!==d&&n.disposeIntermediateTensorInfo(g);return d}var Tre={kernelName:Vf,backendName:"webgl",kernelFunc:Cre},Nre="return (x >= 0.0) ? x : (exp(x) - 1.0);",_re= `
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vec4 result ;
result . r = ( x . r >= 0.0 ) ? x . r : ( exp ( x . r ) - 1.0 ) ;
result . g = ( x . g >= 0.0 ) ? x . g : ( exp ( x . g ) - 1.0 ) ;
result . b = ( x . b >= 0.0 ) ? x . b : ( exp ( x . b ) - 1.0 ) ;
result . a = ( x . a >= 0.0 ) ? x . a : ( exp ( x . a ) - 1.0 ) ;
return result ;
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` ,Ere=Ze({opSnippet:Nre,packedOpSnippet:_re}),Are={kernelName:Yo,backendName:"webgl",kernelFunc:Ere},Dre="return (b >= 0.0) ? a : a * (b + 1.0);", $ re= `
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vec4 bGTEZero = vec4 ( greaterThanEqual ( b , vec4 ( 0. ) ) ) ;
return ( bGTEZero * a ) + ( ( vec4 ( 1.0 ) - bGTEZero ) * ( a * ( b + vec4 ( 1.0 ) ) ) ) ;
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` ,Fre=e=>{let{inputs:t,backend:n}=e,{dy:r,y:s}=t,a=G().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Tl( $ re,r.shape,s.shape):new To(Dre,r.shape,s.shape);return n.runWebGLProgram(a,[r,s],r.dtype)},Rre={kernelName:Sc,backendName:"webgl",kernelFunc:Fre},Pre= `
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return vec4 ( equal ( a , b ) ) ;
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` ,Ore="return float(a == b);",Mre=mn({opSnippet:Ore,packedOpSnippet:Pre,dtype:"bool",cpuKernelImpl:hQ}),Lre={kernelName:Cc,backendName:"webgl",kernelFunc:Mre},Bre= `
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// Error function is calculated approximately with elementary function.
// See "Handbook of Mathematical Functions with Formulas,
// Graphs, and Mathematical Tables", Abramowitz and Stegun.
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float p = $ { T . ERF _P } ;
float a1 = $ { T . ERF _A1 } ;
float a2 = $ { T . ERF _A2 } ;
float a3 = $ { T . ERF _A3 } ;
float a4 = $ { T . ERF _A4 } ;
float a5 = $ { T . ERF _A5 } ;
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float sign = sign ( x ) ;
x = abs ( x ) ;
float t = 1.0 / ( 1.0 + p * x ) ;
return sign * ( 1.0 - ( ( ( ( ( a5 * t + a4 ) * t ) + a3 ) * t + a2 ) * t + a1 ) * t * exp ( - x * x ) ) ;
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` ,zre=Ze({opSnippet:Bre}),Wre={kernelName:Zo,backendName:"webgl",kernelFunc:zre},Vre=Nl+ `
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return exp ( x ) ;
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` ,Ure= `
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vec4 result = exp ( x ) ;
bvec4 isNaN = isnan ( x ) ;
result . r = isNaN . r ? x . r : result . r ;
result . g = isNaN . g ? x . g : result . g ;
result . b = isNaN . b ? x . b : result . b ;
result . a = isNaN . a ? x . a : result . a ;
return result ;
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` ,vD=Ze({opSnippet:Vre,packedOpSnippet:Ure,cpuKernelImpl:fQ,dtype:"float32"}),Gre={kernelName:Jo,backendName:"webgl",kernelFunc:vD};function kx(e){let{inputs:t,attrs:n,backend:r}=e,{dim:s}=n,{input:a}=t,o=a.shape.length,i=a.shape.slice(),u=s;return s<0&&(w.assert(-(o+1)<=s,()=> ` Axis must be in the interval [ $ { - ( o + 1 ) } , $ { o } ] ` ),u=o+s+1),i.splice(u,0,1),pe({inputs:{x:a},backend:r,attrs:{shape:i}})}var Hre={kernelName:Tc,backendName:"webgl",kernelFunc:kx},V1="return exp(x) - 1.0;",jre=Ze({opSnippet:V1,packedOpSnippet:V1,cpuKernelImpl:mQ}),qre={kernelName:Qo,backendName:"webgl",kernelFunc:jre},U1=class{constructor(e,t,n){this.variableNames=["real","imag"];let r=t[1];this.outputShape=t;let s=n? ` 2.0 * $ { Math . PI } ` : ` - 2.0 * $ { Math . PI } ` ,a=n? ` $ { r } . 0 ` :"1.0",o;if(e==="real")o="return real * expR - imag * expI;";else if(e==="imag")o="return real * expI + imag * expR;";else throw new Error( ` FFT component must be either "real" or "imag" , got $ { e } . ` );this.userCode= `
const float exponentMultiplier = $ { s } ;
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float unaryOpComplex ( float real , float expR , float imag , float expI ) {
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$ { o }
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}
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float mulMatDFT ( int batch , int index ) {
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float indexRatio = float ( index ) / float ( $ { r } ) ;
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float exponentMultiplierTimesIndexRatio =
exponentMultiplier * indexRatio ;
float result = 0.0 ;
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for ( int i = 0 ; i < $ { r } ; i ++ ) {
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// x = (-2|2 * PI / N) * index * i;
float x = exponentMultiplierTimesIndexRatio * float ( i ) ;
float expR = cos ( x ) ;
float expI = sin ( x ) ;
float real = getReal ( batch , i ) ;
float imag = getImag ( batch , i ) ;
result +=
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unaryOpComplex ( real , expR , imag , expI ) / $ { a } ;
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}
return result ;
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}
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void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
setOutput ( mulMatDFT ( coords [ 0 ] , coords [ 1 ] ) ) ;
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}
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` }};function xD(e,t,n){let r=n.texData.get(e.dataId),s=w.sizeFromShape(e.shape),a=e.shape[e.shape.length-1],o=s/a,i=pe({inputs:{x:e},backend:n,attrs:{shape:[o,a]}}),u=i.shape,c=new U1("real",u,t),l=new U1("imag",u,t),p=[{dataId:r.complexTensorInfos.real.dataId,dtype:r.complexTensorInfos.real.dtype,shape:u},{dataId:r.complexTensorInfos.imag.dataId,dtype:r.complexTensorInfos.imag.dtype,shape:u}],d=n.runWebGLProgram(c,p,"float32"),h=n.runWebGLProgram(l,p,"float32"),f=Oa({inputs:{real:d,imag:h},backend:n});n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(h);let g=pe({inputs:{x:f},backend:n,attrs:{shape:e.shape}});return n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(f),g}function Kre(e){let{inputs:t,backend:n}=e,{input:r}=t;return xD(r,!1,n)}var Xre={kernelName:Uf,backendName:"webgl",kernelFunc:Kre},Yre=class{constructor(e,t){this.outputShape=[],this.customUniforms=[{name:"value",type:"float"}],this.variableNames=["x"],this.outputShape=e,this.userCode= `
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void main ( ) {
// Input can be obtained from uniform value.
setOutput ( value ) ;
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}
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` }};function Lp(e){let{backend:t,attrs:n}=e,{shape:r,value:s}=n,{dtype:a}=n;if(a=a||w.inferDtype(s),a==="string"){let o=w.getArrayFromDType(a,w.sizeFromShape(r));return o.fill(s),t.makeTensorInfo(r,a,o)}else{let o=new Yre(r,s),i=[[s]];return t.runWebGLProgram(o,[],a,i)}}var Zre={kernelName:Hd,backendName:"webgl",kernelFunc:Lp},Jre=class{constructor(e){this.variableNames=["Image"],this.outputShape=[];let t=e[2];this.outputShape=e,this.userCode= `
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int x = coords [ 2 ] ;
int coordX = $ { t } - x - 1 ;
float outputValue ;
if ( coordX >= 0 && coordX < $ { t } ) {
outputValue = getImage ( coords [ 0 ] , coords [ 1 ] , coordX , coords [ 3 ] ) ;
} else {
outputValue = getImage ( coords [ 0 ] , coords [ 1 ] , coords [ 2 ] , coords [ 3 ] ) ;
}
setOutput ( outputValue ) ;
}
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` }},Qre={kernelName:Nc,backendName:"webgl",kernelFunc:({inputs:e,backend:t})=>{let{image:n}=e,r=t,s=new Jre(n.shape);return r.runWebGLProgram(s,[n],n.dtype)}},G1="return floor(x);",ese=Ze({opSnippet:G1,packedOpSnippet:G1,cpuKernelImpl:gQ}),tse={kernelName:ei,backendName:"webgl",kernelFunc:ese},nse= `
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float s = sign ( a ) * sign ( b ) ;
int ia = round ( a ) ;
int ib = round ( b ) ;
if ( ib != 0 ) {
// Windows (D3D) wants guaranteed non-zero int division at compile-time.
return float ( idiv ( ia , ib , s ) ) ;
} else {
return NAN ;
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}
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` ,rse= `
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ivec4 ia = round ( a ) ;
ivec4 ib = round ( b ) ;
bvec4 cond = notEqual ( ib , ivec4 ( 0 ) ) ;
ivec4 result = ivec4 ( 0 ) ;
vec4 s = sign ( a ) * sign ( b ) ;
// Windows (D3D) wants guaranteed non-zero int division at compile-time.
if ( cond [ 0 ] ) {
result [ 0 ] = idiv ( ia [ 0 ] , ib [ 0 ] , s [ 0 ] ) ;
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}
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if ( cond [ 1 ] ) {
result [ 1 ] = idiv ( ia [ 1 ] , ib [ 1 ] , s [ 1 ] ) ;
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}
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if ( cond [ 2 ] ) {
result [ 2 ] = idiv ( ia [ 2 ] , ib [ 2 ] , s [ 2 ] ) ;
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}
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if ( cond [ 3 ] ) {
result [ 3 ] = idiv ( ia [ 3 ] , ib [ 3 ] , s [ 3 ] ) ;
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}
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return vec4 ( result ) ;
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` ,sse=mn({opSnippet:nse,packedOpSnippet:rse,dtype:"int32"}),ase={kernelName:ti,backendName:"webgl",kernelFunc:sse},ose=class{constructor(e){this.variableNames=["A"];let t=An(),[n,r]=e;this.outputShape=e,this.userCode= `
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void main ( ) {
ivec3 coords = getOutputCoords ( ) ;
int texR = coords [ 0 ] ;
int texC = coords [ 1 ] ;
int depth = coords [ 2 ] ;
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vec2 uv = ( vec2 ( texC , texR ) + halfCR ) / vec2 ( $ { r } . 0 , $ { n } . 0 ) ;
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vec4 values = $ { t . texture2D } ( A , uv ) ;
float value ;
if ( depth == 0 ) {
value = values . r ;
} else if ( depth == 1 ) {
value = values . g ;
} else if ( depth == 2 ) {
value = values . b ;
} else if ( depth == 3 ) {
value = values . a ;
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}
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setOutput ( floor ( value * 255.0 + 0.5 ) ) ;
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}
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` }},ise=class{constructor(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;let t=An(),[n,r]=e;this.outputShape=e,this.userCode= `
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void main ( ) {
ivec3 coords = getOutputCoords ( ) ;
int texR = coords [ 0 ] ;
int texC = coords [ 1 ] ;
int depth = coords [ 2 ] ;
vec4 result = vec4 ( 0. ) ;
for ( int row = 0 ; row <= 1 ; row ++ ) {
for ( int col = 0 ; col <= 1 ; col ++ ) {
texC = coords [ 1 ] + row ;
depth = coords [ 2 ] + col ;
vec2 uv = ( vec2 ( texC , texR ) + halfCR ) /
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vec2 ( $ { r } . 0 , $ { n } . 0 ) ;
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vec4 values = $ { t . texture2D } ( A , uv ) ;
float value ;
if ( depth == 0 ) {
value = values . r ;
} else if ( depth == 1 ) {
value = values . g ;
} else if ( depth == 2 ) {
value = values . b ;
} else if ( depth == 3 ) {
value = values . a ;
}
result [ row * 2 + col ] = floor ( value * 255.0 + 0.5 ) ;
}
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}
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$ { t . output } = result ;
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}
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` }},use={kernelName:of,backendName:"webgl",kernelFunc:cse},Ou,Tv=G().getBool("CANVAS2D_WILL_READ_FREQUENTLY_FOR_GPU");function cse(e){let{inputs:t,backend:n,attrs:r}=e,{pixels:s}=t,{numChannels:a}=r,o=typeof HTMLVideoElement!="undefined"&&s instanceof HTMLVideoElement,i=typeof HTMLImageElement!="undefined"&&s instanceof HTMLImageElement,[u,c]=o?[s.videoWidth,s.videoHeight]:[s.width,s.height],l=[c,u],p=[c,u,a];if(i||o){let g=G().getBool("CANVAS2D_WILL_READ_FREQUENTLY_FOR_GPU");(Ou==null||g!==Tv)&&(Tv=g,Ou=document.createElement("canvas").getContext("2d",{willReadFrequently:Tv})),Ou.canvas.width=u,Ou.canvas.height=c,Ou.drawImage(s,0,0,u,c),s=Ou.canvas}let d=n.makeTensorInfo(l,"int32");n.texData.get(d.dataId).usage=lr.PIXELS,n.gpgpu.uploadPixelDataToTexture(n.getTexture(d.dataId),s);let h=G().getBool("WEBGL_PACK")?new ise(p):new ose(p),f=n.runWebGLProgram(h,[d],"int32");return n.disposeData(d.dataId),f}function lse(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a,bias:o,preluActivationWeights:i}=t,{strides:u,pad:c,dataFormat:l,dilations:p,dimRoundingMode:d,activation:h,leakyreluAlpha:f}=r,g=T.convertConv2DDataFormat(l),m=T.computeConv2DInfo(s.shape,a.shape,u,p,c,d,!1,g),b,y=[],v=o!=null,x=i!=null,k=h==="leakyrelu",S=()=>{let E=[s,a], $ =(F,D)=>{if(D==="NCHW"&&F.shape.length===1&&F.shape[0]!==1){let R=pe({inputs:{x:F},backend:n,attrs:{shape:[F.shape[0],1,1]}});return y.push(R),R}return F};if(v&&E.push( $ (o,l)),x&&E.push( $ (i,l)),k){let F=n.makeTensorInfo([],"float32",w.createScalarValue(f,"float32"));E.push(F),y.push(F)}return E};if(m.filterHeight===1&&m.filterWidth===1&&m.dilationHeight===1&&m.dilationWidth===1&&m.strideHeight===1&&m.strideWidth===1&&(m.padInfo.type==="SAME"||m.padInfo.type==="VALID"))b=fD({x:s,filter:a,convInfo:m,backend:n,bias:o,activation:h,preluActivationWeights:i,leakyreluAlpha:f});else if(m.strideWidth<=2&&g==="channelsLast"&&G().getBool("WEBGL_EXP_CONV")){let E=h?Fd(h,!0):null, $ =new hD(m,v,E,x,k),F=[[m.padInfo.top,m.padInfo.left],[m.strideHeight,m.strideWidth],[m.dilationHeight,m.dilationWidth],[m.inHeight,m.inWidth]],D=S();b=n.runWebGLProgram( $ ,D,"float32",F)}else if(G().getBool("WEBGL_CONV_IM2COL"))b=mD({x:s,filter:a,convInfo:m,backend:n,bias:o,activation:h,preluActivationWeights:i,leakyreluAlpha:f});else{let E=h?Fd(h,!1):null, $ =new pD(m,v,E,x,k),F=S();b=n.runWebGLProgram( $ ,F,"float32")}let N=pe({inputs:{x:b},backend:n,attrs:{shape:m.outShape}});return y.push(b),y.forEach(E=>n.disposeIntermediateTensorInfo(E)),N}var dse={kernelName:co,backendName:"webgl",kernelFunc:lse};function pse(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a,bias:o,preluActivationWeights:i}=t,{strides:u,pad:c,dilations:l,dimRoundingMode:p,activation:d,leakyreluAlpha:h}=r,f=[],g=l;g==null&&(g=[1,1]),w.assert(T.eitherStridesOrDilationsAreOne(u,g),()=> ` Error in depthwiseConv2d : Either strides or dilations must be 1. Got strides $ { u } and dilations '${g}' ` );let m=T.computeConv2DInfo(s.shape,a.shape,u,g,c,p,!0),b=G().getBool("WEBGL_PACK_DEPTHWISECONV")&&m.strideWidth<=2&&m.outChannels/m.inChannels===1,y=d?Fd(d,b):null,v=[s,a],x=o!=null,k=i!=null,S=d==="leakyrelu";if(x&&v.push(o),k&&v.push(i),S){let F=n.makeTensorInfo([],"float32",w.createScalarValue(h,"float32"));v.push(F),f.push(F)}let N;b?N=new yD(m,x,y,k,S):N=new bD(m,x,y,k,S);let E=[[m.padInfo.top,m.padInfo.left],[m.strideHeight,m.strideWidth],[m.dilationHeight,m.dilationWidth],[m.inHeight,m.inWidth]], $ =n.runWebGLProgram(N,v,"float32",E);return f.forEach(F=>n.disposeIntermediateTensorInfo(F)), $ }var hse={kernelName:lo,backendName:"webgl",kernelFunc:pse},fse=class{constructor(e,t,n,r){this.sliceDim=e,this.strides=t,this.paramsShape=r,this.variableNames=["x","indices"],this.outputShape=n;let s=ht(n.length),a= `
int index ; ` ;for(let o=0;o<this.sliceDim;o++)a+= `
index = round ( getIndices ( coords [ 0 ] , $ { o } ) ) ;
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out _of _bounds = out _of _bounds || index < 0 ;
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out _of _bounds = out _of _bounds || index >= $ { this . paramsShape [ o ] } ;
flattenIndex += index * $ { this . strides [ o ] } ; ` ;this.userCode= `
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void main ( ) {
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$ { s } coords = getOutputCoords ( ) ;
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int flattenIndex = 0 ;
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bool out _of _bounds = false ;
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$ { a }
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setOutput ( out _of _bounds ? 0.0 : getX ( flattenIndex , coords [ 1 ] ) ) ;
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}
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` }};function mse(e){let{inputs:t,backend:n}=e,{params:r,indices:s}=t,a=s.shape,o=a[a.length-1],i=w.sizeFromShape(r.shape),[u,c,l,p]=T.prepareAndValidate(r,s),d=pe({inputs:{x:s},backend:n,attrs:{shape:[c,o]}}),h=pe({inputs:{x:r},backend:n,attrs:{shape:[w.sizeFromShape(r.shape)/l,l]}});if(n.shouldExecuteOnCPU([r,s])||r.dtype==="string"){let b=n.readSync(s.dataId),y=n.bufferSync(r),v=bQ(b,y,r.dtype,c,o,l,p,r.shape,i);return n.makeTensorInfo(u,r.dtype,v.values)}let f=new fse(o,p,[c,l],r.shape),g=n.runWebGLProgram(f,[h,d],h.dtype),m=pe({inputs:{x:g},backend:n,attrs:{shape:u}});return n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(g),m}var gse={kernelName:Ec,backendName:"webgl",kernelFunc:mse},bse=class{constructor(e,t){this.variableNames=["A","indices"],this.outputShape=t,this.rank=t.length;let n=ht(this.rank),r=yse(e,2);this.userCode= `
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void main ( ) {
$ { n } resRC = getOutputCoords ( ) ;
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int index = int ( getIndices ( resRC . x , resRC . z ) ) ;
float inBounds = ( index >= 0 ) && ( index < $ { e [ 2 ] } ) ? 1.0 : 0.0 ;
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setOutput ( inBounds * getA ( $ { r } ) ) ;
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}
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` }};function yse(e,t){let n=["resRC.x","resRC.y","resRC.z","resRC.w"],r=[];for(let s=0;s<e.length;s++)s===2?r.push("index"):r.push( ` $ { n [ s ] } ` );return r.join()}function wD(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,indices:a}=t,{axis:o,batchDims:i}=r,u=w.parseAxisParam(o,s.shape)[0];if(G().get("DEBUG")){let y=n.readSync(a.dataId),v=s.shape[u];for(let x=0;x<y.length;++x){let k=y[x];w.assert(k<=v-1&&k>=0,()=> ` GatherV2 : the index value $ { k } is not in [ 0 , $ { v - 1 } ] ` )}}let c=T.segment_util.collectGatherOpShapeInfo(s,a,u,i),l=w.sizeFromShape(a.shape),p=[],d=pe({inputs:{x:s},backend:n,attrs:{shape:[c.batchSize,c.outerSize,c.dimSize,c.sliceSize]}}),h=pe({inputs:{x:a},backend:n,attrs:{shape:[c.batchSize,l/c.batchSize]}});p.push(d),p.push(h);let f=[c.batchSize,c.outerSize,l/c.batchSize,c.sliceSize];if(n.shouldExecuteOnCPU([s,a])||s.dtype==="string"){let y=n.bufferSync(h),v=n.bufferSync(d),x=yQ(v,y,f);return p.forEach(k=>n.disposeIntermediateTensorInfo(k)),n.makeTensorInfo(c.outputShape,x.dtype,x.values)}let g=new bse(d.shape,f),m=n.runWebGLProgram(g,[d,h],d.dtype);p.push(m);let b=pe({inputs:{x:m},backend:n,attrs:{shape:c.outputShape}});return p.forEach(y=>n.disposeIntermediateTensorInfo(y)),b}var vse={kernelName:_c,backendName:"webgl",kernelFunc:wD},xse="return float(a > b);",wse= `
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return vec4 ( greaterThan ( a , b ) ) ;
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` ,Ise=mn({opSnippet:xse,packedOpSnippet:wse,cpuKernelImpl:vQ,dtype:"bool"}),kse={kernelName:Ac,backendName:"webgl",kernelFunc:Ise},Sse="return float(a >= b);",Cse= `
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return vec4 ( greaterThanEqual ( a , b ) ) ;
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` ,Tse=mn({opSnippet:Sse,packedOpSnippet:Cse,dtype:"bool",cpuKernelImpl:xQ}),Nse={kernelName:ri,backendName:"webgl",kernelFunc:Tse};function _se(e){let{inputs:t,backend:n}=e,{input:r}=t;return xD(r,!0,n)}var Ese={kernelName:Gf,backendName:"webgl",kernelFunc:_se},Ase="return float(!isnan(x) && !isinf(x));",Dse=Ze({opSnippet:Ase,dtype:"bool"}), $ se={kernelName:ai,backendName:"webgl",kernelFunc:Dse},Fse="return float(isinf(x));",Rse=Ze({opSnippet:Fse,dtype:"bool"}),Pse={kernelName:oi,backendName:"webgl",kernelFunc:Rse},Ose="return float(isnan(x));",Mse=Ze({opSnippet:Ose,dtype:"bool"}),Lse={kernelName:ii,backendName:"webgl",kernelFunc:Mse},Bse="return float(a < b);",zse= `
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return vec4 ( lessThan ( a , b ) ) ;
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` ,Wse=mn({opSnippet:Bse,packedOpSnippet:zse,cpuKernelImpl:wQ,dtype:"bool"}),Vse={kernelName:Dc,backendName:"webgl",kernelFunc:Wse},Use="return float(a <= b);",Gse= `
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return vec4 ( lessThanEqual ( a , b ) ) ;
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` ,Hse=mn({opSnippet:Use,packedOpSnippet:Gse,cpuKernelImpl:IQ,dtype:"bool"}),jse={kernelName: $ c,backendName:"webgl",kernelFunc:Hse};function qse(e){let{backend:t,attrs:n}=e,{start:r,stop:s,num:a}=n,o=kQ(r,s,a);return t.makeTensorInfo([o.length],"float32",o)}var Kse={kernelName:Fc,backendName:"webgl",kernelFunc:qse},Xse=Nl+ `
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return x < 0.0 ? 0. / 0. : log ( x ) ;
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` ,Yse= `
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vec4 result = log ( x ) ;
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bvec4 isNaN = isnan ( x ) ;
result . r = isNaN . r ? x . r : ( x . r < 0.0 ? 0. / 0. : result . r ) ;
result . g = isNaN . g ? x . g : ( x . g < 0.0 ? 0. / 0. : result . g ) ;
result . b = isNaN . b ? x . b : ( x . b < 0.0 ? 0. / 0. : result . b ) ;
result . a = isNaN . a ? x . a : ( x . a < 0.0 ? 0. / 0. : result . a ) ;
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return result ;
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` ,Zse=Ze({opSnippet:Xse,packedOpSnippet:Yse,cpuKernelImpl:SQ}),Jse={kernelName:ci,backendName:"webgl",kernelFunc:Zse},Qse=Nl+ `
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return log ( 1.0 + x ) ;
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` ,eae=Ze({opSnippet:Qse}),tae={kernelName:li,backendName:"webgl",kernelFunc:eae},nae="return float(a >= 1.0 && b >= 1.0);",rae= `
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return vec4 (
vec4 ( greaterThanEqual ( a , vec4 ( 1.0 ) ) ) *
vec4 ( greaterThanEqual ( b , vec4 ( 1.0 ) ) ) ) ;
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` ,sae=mn({opSnippet:nae,packedOpSnippet:rae,dtype:"bool"}),aae={kernelName:Rc,backendName:"webgl",kernelFunc:sae},oae="return float(!(x >= 1.0));",iae=Ze({opSnippet:oae}),uae={kernelName:Pc,backendName:"webgl",kernelFunc:iae},cae="return float(a >= 1.0 || b >= 1.0);",lae= `
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return min (
vec4 ( greaterThanEqual ( a , vec4 ( 1.0 ) ) ) +
vec4 ( greaterThanEqual ( b , vec4 ( 1.0 ) ) ) ,
vec4 ( 1.0 ) ) ;
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` ,dae=mn({opSnippet:cae,packedOpSnippet:lae,dtype:"bool"}),pae={kernelName:Oc,backendName:"webgl",kernelFunc:dae},hae=class{constructor(e,t,n,r,s){this.variableNames=["x"],this.outputShape=[];let a=t,o=e[3]-1;this.outputShape=e;let i,u= ` float ( $ { n } ) + float ( $ { r } ) * sum ` ;s===.5?i= ` inversesqrt ( $ { u } ) ` :s===1?i= ` 1.0 / ( $ { u } ) ` :i= ` exp ( log ( $ { u } ) * float ( - $ { s } ) ) ; ` ,this.userCode= `
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int r = coords [ 1 ] ;
int c = coords [ 2 ] ;
int d = coords [ 3 ] ;
float x = getX ( b , r , c , d ) ;
float sum = 0.0 ;
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for ( int j = - $ { a } ; j <= $ { a } ; j ++ ) {
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int idx = d + j ;
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if ( idx >= 0 && idx <= $ { o } ) {
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float z = getX ( b , r , c , idx ) ;
sum += z * z ;
}
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}
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float val = x * $ { i } ;
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setOutput ( val ) ;
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}
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` }},fae=class{constructor(e,t,n,r,s){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;let a=t,o=e[3]-1;this.outputShape=e;let i,u= ` float ( $ { n } ) + float ( $ { r } ) * sum ` ;s===.5?i= ` inversesqrt ( $ { u } ) ` :s===1?i= ` 1.0 / ( $ { u } ) ` :i= ` exp ( log ( $ { u } ) * float ( - $ { s } ) ) ; ` ,this.userCode= `
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords . x ;
int r = coords . y ;
int c = coords . z ;
int d = coords . w ;
bool hasNextCol = d < $ { this . outputShape [ 3 ] } ;
bool hasNextRow = c < $ { this . outputShape [ 2 ] } ;
vec4 sum = vec4 ( 0. ) ;
vec4 xFragAtOutputCoords = getX ( b , r , c , d ) ;
vec4 xAtOutputCoords = vec4 (
getChannel ( xFragAtOutputCoords , vec2 ( c , d ) ) ,
hasNextCol ?
getChannel ( xFragAtOutputCoords , vec2 ( c , d + 1 ) ) : 0.0 ,
hasNextRow ?
getChannel ( xFragAtOutputCoords , vec2 ( c + 1 , d ) ) : 0.0 ,
( hasNextRow && hasNextCol ) ?
getChannel ( xFragAtOutputCoords , vec2 ( c + 1 , d + 1 ) ) : 0.0
) ;
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int firstChannel = d - $ { a } ;
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vec2 cache = vec2 ( 0. ) ;
if ( firstChannel >= 0 ) {
vec4 firstChannelFrag = getX ( b , r , c , firstChannel ) ;
cache . x = getChannel ( firstChannelFrag , vec2 ( c , firstChannel ) ) ;
if ( hasNextRow ) {
cache . y = getChannel ( firstChannelFrag , vec2 ( c + 1 , firstChannel ) ) ;
}
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}
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ivec2 depth = ivec2 ( d , d + 1 ) ;
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for ( int j = - $ { a } ; j <= $ { a } ; j ++ ) {
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ivec2 idx = depth + j ;
bvec2 aboveLowerBound = greaterThanEqual ( idx , ivec2 ( 0 ) ) ;
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bvec2 belowUpperBound = lessThanEqual ( idx , ivec2 ( $ { o } ) ) ;
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bool depthInRange = aboveLowerBound . x && belowUpperBound . x ;
bool depthPlusOneInRange = aboveLowerBound . y && belowUpperBound . y ;
if ( depthInRange || depthPlusOneInRange ) {
vec4 z = vec4 ( 0. ) ;
vec4 xFragAtCurrentDepth ;
z . xz = cache . xy ;
if ( depthPlusOneInRange && hasNextCol ) {
xFragAtCurrentDepth = idx . y != d ?
getX ( b , r , c , idx . y ) : xFragAtOutputCoords ;
z . y = getChannel ( xFragAtCurrentDepth , vec2 ( c , idx . y ) ) ;
if ( hasNextRow ) {
z . w = getChannel ( xFragAtCurrentDepth , vec2 ( c + 1 , idx . y ) ) ;
}
}
cache . xy = z . yw ;
sum += z * z ;
}
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}
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vec4 result = xAtOutputCoords * $ { i } ;
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setOutput ( result ) ;
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}
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` }},mae=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{depthRadius:a,bias:o,alpha:i,beta:u}=r,c=G().getBool("WEBGL_PACK_NORMALIZATION")?new fae(s.shape,a,o,i,u):new hae(s.shape,a,o,i,u);return n.runWebGLProgram(c,[s],s.dtype)},gae={kernelName:di,backendName:"webgl",kernelFunc:mae},bae=class{constructor(e,t,n,r,s){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=e,this.depth=e[3],this.depthRadius=t,this.bias=n,this.alpha=r,this.beta=s,this.userCode= `
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int r = coords [ 1 ] ;
int c = coords [ 2 ] ;
float result = 0.0 ;
for ( int d = 0 ; d < $ { this . depth } ; ++ d ) {
int depthBegin = int ( max ( 0.0 , float ( d - $ { t } ) ) ) ;
int depthEnd = int ( min ( float ( $ { this . depth } ) ,
float ( d + $ { t } + 1 ) ) ) ;
const int MIN _DEPTH _BEGIN = 0 ;
const int MAX _DEPTH _END = $ { this . depth } ;
float norm = 0.0 ;
for ( int k = MIN _DEPTH _BEGIN ; k < MAX _DEPTH _END ; ++ k ) {
if ( k < depthBegin ) {
continue ;
}
else if ( k >= depthBegin && k < depthEnd ) {
norm += getInputImage ( b , r , c , k ) * getInputImage ( b , r , c , k ) ;
}
else {
break ;
}
}
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norm = float ( $ { r } ) * norm + float ( $ { n } ) ;
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for ( int k = MIN _DEPTH _BEGIN ; k < MAX _DEPTH _END ; ++ k ) {
if ( k < depthBegin ) {
continue ;
}
else if ( k >= depthBegin && k < depthEnd ) {
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float dyi = - 2.0 * float ( $ { r } )
* float ( $ { s } )
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* getInputImage ( b , r , c , k ) * getOutputImage ( b , r , c , d )
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/ n o r m ;
if ( k == d ) {
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dyi += pow ( norm , - 1.0 * $ { s } ) ;
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}
if ( k == coords [ 3 ] ) {
dyi *= getDy ( b , r , c , d ) ;
result += dyi ;
}
}
else {
break ;
}
}
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}
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setOutput ( result ) ;
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}
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` }},yae=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s,y:a,dy:o}=t,{depthRadius:i,bias:u,alpha:c,beta:l}=r,p=new bae(s.shape,i,u,c,l);return n.runWebGLProgram(p,[s,a,o],s.dtype)},vae={kernelName:Mc,backendName:"webgl",kernelFunc:yae};function xae(e,t,n,r){let s=w.sizeFromShape(t),o=w.sizeFromShape(e.shape)/s,i=pe({inputs:{x:e},attrs:{shape:[o,s]},backend:r}),u=ru(i,e.dtype,"max",r),c=pe({inputs:{x:u},attrs:{shape:n},backend:r});return r.disposeIntermediateTensorInfo(i),r.disposeIntermediateTensorInfo(u),c}function ID(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{reductionIndices:a,keepDims:o}=r,i=s.shape.length,u=w.parseAxisParam(a,s.shape),c=u,l=T.getAxesPermutation(c,i),p=l!=null,d=n.shouldExecuteOnCPU([s]),h=s;if(p){if(d){let v=n.texData.get(h.dataId).values,x=new Array(i);for(let N=0;N<x.length;N++)x[N]=s.shape[l[N]];let k=m0(v,s.shape,s.dtype,l,x);h=n.makeTensorInfo(x,s.dtype);let S=n.texData.get(h.dataId);S.values=k}else h=tg(s,l,n);c=T.getInnerMostAxes(c.length,i)}T.assertAxesAreInnerMostDims("max",c,i);let[f,g]=T.computeOutAndReduceShapes(h.shape,c),m=f;o&&(m=T.expandShapeToKeepDim(f,u));let b;if(d){let v=n.texData.get(h.dataId).values,x=CQ(v,w.sizeFromShape(g),m,s.dtype);b=n.makeTensorInfo(m,s.dtype);let k=n.texData.get(b.dataId);k.values=x}else b=xae(h,g,m,n);return p&&n.disposeIntermediateTensorInfo(h),b}var wae={kernelName:pi,backendName:"webgl",kernelFunc:ID},Iae=b0+ `
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return max ( a , b ) ;
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` ,kae= `
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vec4 result = vec4 ( max ( a , b ) ) ;
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bvec4 isNaNA = isnan ( a ) ;
bvec4 isNaNB = isnan ( b ) ;
bvec4 isNaN = bvec4 ( isNaNA . x || isNaNB . x , isNaNA . y || isNaNB . y , isNaNA . z || isNaNB . z , isNaNA . w || isNaNB . w ) ;
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` +nu+ `
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return result ;
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` ,Sae=mn({opSnippet:Iae,packedOpSnippet:kae,cpuKernelImpl:TQ}),Cae={kernelName:hi,backendName:"webgl",kernelFunc:Sae};function Tae(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t;wl(s,"maxPool");let{filterSize:a,strides:o,pad:i,dimRoundingMode:u}=r,c=1;w.assert(T.eitherStridesOrDilationsAreOne(o,c),()=> ` Error in maxPool : Either strides or dilations must be 1. Got strides $ { o } and dilations '${c}' ` );let l=T.computePool2DInfo(s.shape,a,o,c,i,u);if(l.filterWidth===1&&l.filterHeight===1&&w.arraysEqual(l.inShape,l.outShape))return sr({inputs:{x:s},backend:n});let p=new Rd(l,"max",!1);return n.runWebGLProgram(p,[s],s.dtype)}var Nae={kernelName:fi,backendName:"webgl",kernelFunc:Tae};function _ae(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{filterSize:a,strides:o,pad:i,dataFormat:u,dimRoundingMode:c}=r,l=[1,1,1],p=T.computePool3DInfo(s.shape,a,o,l,i,c,u),d=new v0(p,"max",!1);return n.runWebGLProgram(d,[s],s.dtype)}var Eae={kernelName:Lc,backendName:"webgl",kernelFunc:_ae},Aae=class{constructor(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;let t=e.strideHeight,n=e.strideWidth,r=e.dilationHeight,s=e.effectiveFilterHeight,a=e.effectiveFilterWidth,o=s-1-e.padInfo.top,i=a-1-e.padInfo.left,u=s*a-1;this.userCode= `
const ivec2 pads = ivec2 ( $ { o } , $ { i } ) ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int d = coords [ 3 ] ;
ivec2 dyRCCorner = coords . yz - pads ;
int dyRCorner = dyRCCorner . x ;
int dyCCorner = dyRCCorner . y ;
// Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0 ;
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for ( int wR = 0 ; wR < $ { s } ;
wR += $ { r } ) {
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float dyR = float ( dyRCorner + wR ) / $ { t } . 0 ;
if ( dyR < 0.0 || dyR >= $ { e . outHeight } . 0 || fract ( dyR ) > 0.0 ) {
continue ;
}
int idyR = int ( dyR ) ;
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for ( int wC = 0 ; wC < $ { a } ; wC ++ ) {
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float dyC = float ( dyCCorner + wC ) / $ { n } . 0 ;
if ( dyC < 0.0 || dyC >= $ { e . outWidth } . 0 ||
fract ( dyC ) > 0.0 ) {
continue ;
}
int idyC = int ( dyC ) ;
float dyValue = getDy ( b , idyR , idyC , d ) ;
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int maxPosValue = $ { u } - int ( getMaxPos ( b , idyR , idyC , d ) ) ;
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// Get the current value, check it against the value from the
// position matrix.
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int curPosValue = wR * $ { a } + wC ;
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float mask = float ( maxPosValue == curPosValue ? 1.0 : 0.0 ) ;
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dotProd += dyValue * mask ;
}
}
setOutput ( dotProd ) ;
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}
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` }},Dae=class{constructor(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;let t=e.strideDepth,n=e.strideHeight,r=e.strideWidth,s=e.dilationDepth,a=e.dilationHeight,o=e.dilationWidth,i=e.effectiveFilterDepth,u=e.effectiveFilterHeight,c=e.effectiveFilterWidth,l=i-1-e.padInfo.front,p=u-1-e.padInfo.top,d=c-1-e.padInfo.left,h=i*u*c-1;this.userCode= `
const ivec3 pads = ivec3 ( $ { l } , $ { p } , $ { d } ) ;
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void main ( ) {
ivec5 coords = getOutputCoords ( ) ;
int batch = coords . x ;
int ch = coords . u ;
ivec3 dyCorner = ivec3 ( coords . y , coords . z , coords . w ) - pads ;
int dyDCorner = dyCorner . x ;
int dyRCorner = dyCorner . y ;
int dyCCorner = dyCorner . z ;
// Convolve dy(?, ?, ?, ch) with pos mask(:, :, :, d) to get
// dx(xD, xR, xC, ch).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0 ;
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for ( int wD = 0 ; wD < $ { i } ;
wD += $ { s } ) {
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float dyD = float ( dyDCorner + wD ) / $ { t } . 0 ;
if ( dyD < 0.0 || dyD >= $ { e . outDepth } . 0 || fract ( dyD ) > 0.0 ) {
continue ;
}
int idyD = int ( dyD ) ;
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for ( int wR = 0 ; wR < $ { u } ;
wR += $ { a } ) {
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float dyR = float ( dyRCorner + wR ) / $ { n } . 0 ;
if ( dyR < 0.0 || dyR >= $ { e . outHeight } . 0 ||
fract ( dyR ) > 0.0 ) {
continue ;
}
int idyR = int ( dyR ) ;
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for ( int wC = 0 ; wC < $ { c } ;
wC += $ { o } ) {
float dyC = float ( dyCCorner + wC ) / $ { r } . 0 ;
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if ( dyC < 0.0 || dyC >= $ { e . outWidth } . 0 ||
fract ( dyC ) > 0.0 ) {
continue ;
}
int idyC = int ( dyC ) ;
float dyValue = getDy ( batch , idyD , idyR , idyC , ch ) ;
int maxPosValue = $ { h } -
int ( getMaxPos ( batch , idyD , idyR , idyC , ch ) ) ;
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// Get the current value, check it against the value from the
// position matrix.
int curPosValue =
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wD * $ { u } * $ { c } +
wR * $ { c } + wC ;
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float mask = float ( maxPosValue == curPosValue ? 1.0 : 0.0 ) ;
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dotProd += dyValue * mask ;
}
}
}
setOutput ( dotProd ) ;
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}
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` }};function $ ae(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a}=t,o=a,{filterSize:i,strides:u,pad:c,dimRoundingMode:l}=r,p=[1,1,1],d=T.computePool3DInfo(o.shape,i,u,p,c,l),h=new v0(d,"max",!0),f=n.runWebGLProgram(h,[o],o.dtype),g=new Dae(d),m=n.runWebGLProgram(g,[s,f],o.dtype);return n.disposeIntermediateTensorInfo(f),m}var Fae={kernelName:qd,backendName:"webgl",kernelFunc: $ ae};function Rae(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a,output:o}=t,i=a;wl([a,o],"maxPoolGrad");let{filterSize:u,strides:c,pad:l,dimRoundingMode:p}=r,d=T.computePool2DInfo(i.shape,u,c,1,l,p),h=!0,f=new Rd(d,"max",h),g=n.runWebGLProgram(f,[i],i.dtype),m=new Aae(d),b=n.runWebGLProgram(m,[s,g],i.dtype);return n.disposeIntermediateTensorInfo(g),b}var Pae={kernelName:jd,backendName:"webgl",kernelFunc:Rae};function Oae(e,t,n,r){let s=new Rd(n,"max",!1),a=r.runWebGLProgram(s,[e],"float32");s=new Rd(n,"max",!0,!0,t);let o=r.runWebGLProgram(s,[e],"float32");return[a,o]}var Mae={kernelName:Kd,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{x:r}=e,{filterSize:s,strides:a,pad:o,includeBatchInIndex:i}=t,u=n;w.assert(r.shape.length===4,()=> ` Error in maxPool : input must be rank 4 but got rank $ { r . shape . length } . ` );let c=[1,1];w.assert(T.eitherStridesOrDilationsAreOne(a,c),()=> ` Error in maxPool : Either strides or dilations must be 1. Got strides $ { a } and dilations '${c}' ` );let l=T.computePool2DInfo(r.shape,s,a,c,o),[p,d]=Oae(r,i,l,u);return[p,d]}};function Lae(e,t,n,r){let s=w.sizeFromShape(t),o=w.sizeFromShape(e.shape)/s,i=pe({inputs:{x:e},attrs:{shape:[o,s]},backend:r}),u=ru(i,"float32","mean",r),c=pe({inputs:{x:u},attrs:{shape:n},backend:r});return r.disposeIntermediateTensorInfo(i),r.disposeIntermediateTensorInfo(u),c}var Bae={kernelName:mi,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{x:r}=e,{keepDims:s,axis:a}=t,o=n,i=r.shape.length,u=w.parseAxisParam(a,r.shape),c=u,l=T.getAxesPermutation(c,i),p=l!=null,d=o.shouldExecuteOnCPU([r]),h=[],f=r;if(p){if(d){let x=o.texData.get(f.dataId).values,k=new Array(i);for(let E=0;E<k.length;E++)k[E]=r.shape[l[E]];let S=m0(x,r.shape,r.dtype,l,k);f=o.makeTensorInfo(k,r.dtype);let N=o.texData.get(f.dataId);N.values=S}else f=tg(r,l,o);h.push(f),c=T.getInnerMostAxes(c.length,i)}T.assertAxesAreInnerMostDims("sum",c,i);let[g,m]=T.computeOutAndReduceShapes(f.shape,c),b=g;s&&(b=T.expandShapeToKeepDim(g,u));let y=Lae(f,m,b,o);for(let v of h)o.disposeIntermediateTensorInfo(v);return y}};function zae(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=s.shape.length,u=w.parseAxisParam(a,s.shape),c=u,l=T.getAxesPermutation(c,i),p=s;l!=null&&(p=Tn({inputs:{x:s},backend:n,attrs:{perm:l}}),c=T.getInnerMostAxes(c.length,s.shape.length)),T.assertAxesAreInnerMostDims("min",c,i);let[d,h]=T.computeOutAndReduceShapes(p.shape,c),f=w.sizeFromShape(h),g=pe({inputs:{x:p},backend:n,attrs:{shape:[-1,f]}}),m=ru(g,g.dtype,"min",n),b;if(o){let y=T.expandShapeToKeepDim(d,u);b=pe({inputs:{x:m},backend:n,attrs:{shape:y}})}else b=pe({inputs:{x:m},backend:n,attrs:{shape:d}});return n.disposeIntermediateTensorInfo(g),n.disposeIntermediateTensorInfo(m),l!=null&&n.disposeIntermediateTensorInfo(p),b}var Wae={kernelName:gi,backendName:"webgl",kernelFunc:zae},Vae=b0+ `
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return min ( a , b ) ;
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` ,Uae= `
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vec4 result = vec4 ( min ( a , b ) ) ;
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bvec4 isNaNA = isnan ( a ) ;
bvec4 isNaNB = isnan ( b ) ;
bvec4 isNaN = bvec4 ( isNaNA . x || isNaNB . x , isNaNA . y || isNaNB . y , isNaNA . z || isNaNB . z , isNaNA . w || isNaNB . w ) ;
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` +nu+ `
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return result ;
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` ,Gae=mn({opSnippet:Vae,packedOpSnippet:Uae,cpuKernelImpl:NQ}),Hae={kernelName:bi,backendName:"webgl",kernelFunc:Gae},jae=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=t.map((c,l)=>c[0]+e[l]+c[1]);let r=e.length,s=ht(r),a=t.map(c=>c[0]).join(","),o=t.map((c,l)=>c[0]+e[l]).join(","),i=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r),u=n==="reflect"?0:1;if(r===1){this.userCode= `
int start = $ { a } ;
int end = $ { o } ;
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void main ( ) {
int outC = getOutputCoords ( ) ;
if ( outC < start ) {
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outC = start * 2 - outC - $ { u } ;
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} else if ( outC >= end ) {
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outC = ( end - 1 ) * 2 - outC + $ { u } ;
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}
setOutput ( getX ( outC - start ) ) ;
}
` ;return}this.userCode= `
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$ { s } start = $ { s } ( $ { a } ) ;
$ { s } end = $ { s } ( $ { o } ) ;
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void main ( ) {
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$ { s } outC = getOutputCoords ( ) ;
for ( int i = 0 ; i < $ { r } ; i ++ ) {
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if ( outC [ i ] < start [ i ] ) {
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outC [ i ] = start [ i ] * 2 - outC [ i ] - $ { u } ;
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} else if ( outC [ i ] >= end [ i ] ) {
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outC [ i ] = ( end [ i ] - 1 ) * 2 - outC [ i ] + $ { u } ;
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}
}
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$ { s } coords = outC - start ;
setOutput ( getX ( $ { i } ) ) ;
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}
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` }},qae=class{constructor(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.map((h,f)=>h[0]+e[f]+h[1]);let r=e.length,s=ht(r),a=t.map(h=>h[0]).join(","),o=t.map((h,f)=>h[0]+e[f]).join(","),i=Cn("rc",r),u=Cn("source",r),c= ` $ { i [ r - 1 ] } < $ { this . outputShape [ r - 1 ] } ` ,l=r===1?"source": ` vec2 ( $ { u . slice ( - 2 ) . join ( ) } ) ` ,p=n==="reflect"?0:1,d="";if(r===1){let h= `
$ { s } source = rc ;
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if ( source < start ) {
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source = start * 2 - source - $ { p } ;
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} else if ( source >= end ) {
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source = ( end - 1 ) * 2 - source + $ { p } ;
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}
source -= start ;
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` ;d= `
$ { s } rc = outputLoc ;
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$ { h }
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result [ 0 ] = getChannel ( getX ( $ { u . join ( ) } ) , $ { l } ) ;
$ { i [ r - 1 ] } += 1 ;
if ( $ { c } ) {
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$ { h }
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result [ 1 ] = getChannel ( getX ( $ { u . join ( ) } ) , $ { l } ) ;
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}
` }else{let h= `
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$ { s } source = rc ;
$ { s } lt = $ { s } ( lessThan ( source , start ) ) ;
$ { s } gte = $ { s } ( greaterThanEqual ( source , end ) ) ;
$ { s } orig = 1 - ( lt + gte ) ;
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source = orig * source +
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lt * ( start * 2 - source - $ { p } ) +
gte * ( ( end - 1 ) * 2 - source + $ { p } ) ;
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source -= start ;
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` ;d= `
$ { s } rc = outputLoc ;
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$ { h }
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result [ 0 ] = getChannel ( getX ( $ { u . join ( ) } ) , $ { l } ) ;
$ { i [ r - 1 ] } += 1 ;
if ( $ { c } ) {
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$ { h }
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result [ 1 ] = getChannel ( getX ( $ { u . join ( ) } ) , $ { l } ) ;
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}
rc = outputLoc ;
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$ { i [ r - 2 ] } += 1 ;
if ( $ { i [ r - 2 ] } < $ { this . outputShape [ r - 2 ] } ) {
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$ { h }
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result [ 2 ] = getChannel ( getX ( $ { u . join ( ) } ) , $ { l } ) ;
$ { i [ r - 1 ] } += 1 ;
if ( $ { c } ) {
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$ { h }
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result [ 3 ] = getChannel ( getX ( $ { u . join ( ) } ) , $ { l } ) ;
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}
}
` }this.userCode= `
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const $ { s } start = $ { s } ( $ { a } ) ;
const $ { s } end = $ { s } ( $ { o } ) ;
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void main ( ) {
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$ { s } outputLoc = getOutputCoords ( ) ;
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vec4 result = vec4 ( 0. ) ;
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$ { d }
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setOutput ( result ) ;
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}
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` }},Kae=({inputs:e,backend:t,attrs:n})=>{let{x:r}=e,{paddings:s,mode:a}=n,o=G().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new qae(r.shape,s,a):new jae(r.shape,s,a);return t.runWebGLProgram(o,[r],r.dtype)},Xae={kernelName:yi,backendName:"webgl",kernelFunc:Kae},Yae= ` if ( b == 0.0 ) return NAN ;
return mod ( a , b ) ; ` ,Zae= `
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vec4 result = mod ( a , b ) ;
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bvec4 isNaN = equal ( b , vec4 ( 0.0 ) ) ;
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` +nu+ `
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return result ;
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` ,Jae=mn({opSnippet:Yae,packedOpSnippet:Zae}),Qae={kernelName:vi,backendName:"webgl",kernelFunc:Jae},eoe=class{constructor(e,t,n){this.variableNames=["probs"],this.customUniforms=[{name:"seed",type:"float"}],this.outputShape=[e,n],this.userCode= `
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void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
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float r = random ( seed ) ;
float cdf = 0.0 ;
for ( int i = 0 ; i < $ { t - 1 } ; i ++ ) {
cdf += getProbs ( batch , i ) ;
if ( r < cdf ) {
setOutput ( float ( i ) ) ;
return ;
}
}
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// If no other event happened, last event happened.
setOutput ( float ( $ { t - 1 } ) ) ;
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}
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` }},toe= `
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if ( a == b ) {
return 1.0 ;
} ;
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return a / b ; ` ,noe= `
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// vec4 one = vec4(equal(a, b));
// return one + (vec4(1.0) - one) * a / b;
vec4 result = a / b ;
if ( a . x == b . x ) {
result . x = 1. ;
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}
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if ( a . y == b . y ) {
result . y = 1. ;
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}
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if ( a . z == b . z ) {
result . z = 1. ;
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}
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if ( a . w == b . w ) {
result . w = 1. ;
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}
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return result ;
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` ,kD=mn({opSnippet:toe,packedOpSnippet:noe,checkOutOfBounds:!0}),roe={kernelName:Xo,backendName:"webgl",kernelFunc:kD},H1="return a - b;",SD=mn({opSnippet:H1,packedOpSnippet:H1,supportsComplex:!0,cpuKernelImpl:KQ}),soe={kernelName:Gi,backendName:"webgl",kernelFunc:SD};function CD(e){let{inputs:t,backend:n,attrs:r}=e,{logits:s}=t,{dim:a}=r,o=w.parseAxisParam([a],s.shape),i=ID({inputs:{x:s},backend:n,attrs:{reductionIndices:o,keepDims:!1}}),u=T.expandShapeToKeepDim(i.shape,o),c=pe({inputs:{x:i},backend:n,attrs:{shape:u}}),l=SD({inputs:{a:s,b:c},backend:n}),p=vD({inputs:{x:l},backend:n}),d=ng({inputs:{x:p},backend:n,attrs:{axis:o,keepDims:!1}}),h=pe({inputs:{x:d},backend:n,attrs:{shape:u}}),f=kD({inputs:{a:p,b:h},backend:n});return n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(l),n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(h),f}var aoe={kernelName:Vi,backendName:"webgl",kernelFunc:CD};function ooe(e){let{inputs:t,backend:n,attrs:r}=e,{logits:s}=t,{numSamples:a,seed:o,normalized:i}=r,u=i?s:CD({inputs:{logits:s},backend:n,attrs:{dim:s.shape.length-1}}),c=u.shape[0],l=u.shape[1],p=new eoe(c,l,a),d=[[o]],h=n.runWebGLProgram(p,[u],"int32",d);return i||n.disposeIntermediateTensorInfo(u),h}var ioe={kernelName:Bc,backendName:"webgl",kernelFunc:ooe},uoe=Or+ `
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return - x ;
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` ,coe= `
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vec4 result = - x ;
bvec4 isNaN = isnan ( x ) ;
result . r = isNaN . r ? x . r : result . r ;
result . g = isNaN . g ? x . g : result . g ;
result . b = isNaN . b ? x . b : result . b ;
result . a = isNaN . a ? x . a : result . a ;
return result ;
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` ;function loe(e){let{inputs:t,backend:n}=e,{x:r}=t;if(n.shouldExecuteOnCPU([r])){let a=n.texData.get(r.dataId),[o,i]=EQ(a.values,r.shape,r.dtype);return n.makeTensorInfo(i,r.dtype,o)}let s;return G().getBool("WEBGL_PACK_UNARY_OPERATIONS")?s=new oa(r.shape,coe):s=new is(r.shape,uoe),n.runWebGLProgram(s,[r],r.dtype)}var doe={kernelName:zc,backendName:"webgl",kernelFunc:loe},poe=gs.nonMaxSuppressionV3Impl;function hoe(e){T.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:u}=r,c=n.readSync(s.dataId),l=n.readSync(a.dataId),{selectedIndices:p}=poe(c,l,o,i,u);return n.makeTensorInfo([p.length],"int32",new Int32Array(p))}var foe={kernelName:Vc,backendName:"webgl",kernelFunc:hoe},moe=gs.nonMaxSuppressionV4Impl;function goe(e){T.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:u,padToMaxOutputSize:c}=r,l=n.readSync(s.dataId),p=n.readSync(a.dataId),{selectedIndices:d,validOutputs:h}=moe(l,p,o,i,u,c);return[n.makeTensorInfo([d.length],"int32",new Int32Array(d)),n.makeTensorInfo([],"int32",new Int32Array([h]))]}var boe={kernelName:Uc,backendName:"webgl",kernelFunc:goe},yoe=gs.nonMaxSuppressionV5Impl;function voe(e){T.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:u,softNmsSigma:c}=r,l=n.readSync(s.dataId),p=n.readSync(a.dataId),d=o,h=i,f=u,g=c,{selectedIndices:m,selectedScores:b}=yoe(l,p,d,h,f,g);return[n.makeTensorInfo([m.length],"int32",new Int32Array(m)),n.makeTensorInfo([b.length],"float32",new Float32Array(b))]}var xoe={kernelName:Gc,backendName:"webgl",kernelFunc:voe},woe=class{constructor(e,t,n,r){this.variableNames=["indices"],this.outputShape=[e,t],this.userCode= `
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void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
int index = round ( getIndices ( coords . x ) ) ;
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setOutput ( mix ( float ( $ { r } ) , float ( $ { n } ) ,
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float ( index == coords . y ) ) ) ;
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}
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` }},Ioe=e=>{let{inputs:t,backend:n,attrs:r}=e,{indices:s}=t,{dtype:a,depth:o,onValue:i,offValue:u}=r,c=w.sizeFromShape(s.shape),l=new woe(c,o,i,u),p=pe({inputs:{x:s},backend:n,attrs:{shape:[c]}}),d=n.runWebGLProgram(l,[p],a);n.disposeIntermediateTensorInfo(p);let h=[...s.shape,o],f=pe({inputs:{x:d},backend:n,attrs:{shape:h}});return n.disposeIntermediateTensorInfo(d),f},koe={kernelName:wi,backendName:"webgl",kernelFunc:Ioe};function Df(e){let{inputs:t,backend:n}=e,{x:r}=t;if(r.dtype==="complex64"){let s=Mp({inputs:{input:r},backend:n}),a=Df({inputs:{x:s},backend:n}),o=rg({inputs:{input:r},backend:n}),i=Df({inputs:{x:o},backend:n}),u=Oa({inputs:{real:a,imag:i},backend:n});return n.disposeIntermediateTensorInfo(s),n.disposeIntermediateTensorInfo(a),n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(i),u}else return Lp({attrs:{shape:r.shape,dtype:r.dtype,value:r.dtype==="string"?"":0},backend:n})}var Soe={kernelName:cl,backendName:"webgl",kernelFunc:Df};function TD(e){let{inputs:t,backend:n}=e,{x:r}=t;if(r.dtype==="string")throw new Error("onesLike is not supported under string dtype");if(r.dtype==="complex64"){let s=Mp({inputs:{input:r},backend:n}),a=TD({inputs:{x:s},backend:n}),o=rg({inputs:{input:r},backend:n}),i=Df({inputs:{x:o},backend:n}),u=Oa({inputs:{real:a,imag:i},backend:n});return n.disposeIntermediateTensorInfo(s),n.disposeIntermediateTensorInfo(a),n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(i),u}else return Lp({attrs:{shape:r.shape,dtype:r.dtype,value:1},backend:n})}var Coe={kernelName:Hc,backendName:"webgl",kernelFunc:TD};function Toe(e){let{inputs:t,backend:n,attrs:r}=e,{axis:s}=r;if(t.length===1)return kx({inputs:{input:t[0]},backend:n,attrs:{dim:s}});let a=t[0].shape,o=t[0].dtype;t.forEach(l=>{w.assertShapesMatch(a,l.shape,"All tensors passed to stack must have matching shapes"),w.assert(o===l.dtype,()=>"All tensors passed to stack must have matching dtypes")});let i=[],u=t.map(l=>{let p=kx({inputs:{input:l},backend:n,attrs:{dim:s}});return i.push(p),p}),c=dD({inputs:u,backend:n,attrs:{axis:s}});return i.forEach(l=>n.disposeIntermediateTensorInfo(l)),c}var Noe={kernelName:jc,backendName:"webgl",kernelFunc:Toe},_oe=class{constructor(e,t,n){this.variableNames=["x"],this.customUniforms=[{name:"value",type:"float"}],this.outputShape=t.map((u,c)=>u[0]+e[c]+u[1]);let r=e.length,s=ht(r),a=t.map(u=>u[0]).join(","),o=t.map((u,c)=>u[0]+e[c]).join(","),i=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r);if(r===1){this.userCode= `
int start = $ { a } ;
int end = $ { o } ;
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void main ( ) {
int outC = getOutputCoords ( ) ;
if ( outC < start || outC >= end ) {
setOutput ( value ) ;
} else {
setOutput ( getX ( outC - start ) ) ;
}
}
` ;return}this.userCode= `
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$ { s } start = $ { s } ( $ { a } ) ;
$ { s } end = $ { s } ( $ { o } ) ;
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void main ( ) {
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$ { s } outC = getOutputCoords ( ) ;
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if ( any ( lessThan ( outC , start ) ) || any ( greaterThanEqual ( outC , end ) ) ) {
setOutput ( value ) ;
} else {
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$ { s } coords = outC - start ;
setOutput ( getX ( $ { i } ) ) ;
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}
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}
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` }},Eoe=class{constructor(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"value",type:"float"}],this.outputShape=t.map((f,g)=>f[0]+e[g]+f[1]);let r=e.length,s=ht(r),a=t.map(f=>f[0]).join(","),o=t.map((f,g)=>f[0]+e[g]).join(","),i=Cn("rc",r),u=Cn("source",r),c= ` $ { i [ r - 1 ] } < $ { this . outputShape [ r - 1 ] } ` ,l=r===1?"source": ` vec2 ( $ { u . slice ( - 2 ) . join ( ) } ) ` ,p=[ ` $ { s } rc = outputLoc ; ` , ` $ { i [ r - 1 ] } += 1 ;
if ( $ { c } ) {
` ,r===1?"": ` }
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rc = outputLoc ;
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$ { i [ r - 2 ] } += 1 ;
if ( $ { i [ r - 2 ] } < $ { this . outputShape [ r - 2 ] } ) { ` ,r===1?"": ` $ { i [ r - 1 ] } += 1 ;
if ( $ { c } ) { ` ],d=r===1?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",h="";for(let f=0,g=r===1?2:4;f<g;f++)h+= `
$ { p [ f ] }
if ( $ { d } ) {
result [ $ { f } ] = float ( value ) ;
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} else {
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$ { s } source = rc - start ;
result [ $ { f } ] = getChannel ( getX ( $ { u . join ( ) } ) , $ { l } ) ;
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}
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` ;h+=r===1?"} ":"}}",this.userCode= `
const $ { s } start = $ { s } ( $ { a } ) ;
const $ { s } end = $ { s } ( $ { o } ) ;
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void main ( ) {
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$ { s } outputLoc = getOutputCoords ( ) ;
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vec4 result = vec4 ( 0. ) ;
$ { h }
setOutput ( result ) ;
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}
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` }},ND=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{paddings:a,constantValue:o}=r;if(w.sizeFromShape(s.shape)===0){let c=a.map((l,p)=>l[0]+s.shape[p]+l[1]);return Lp({backend:n,attrs:{shape:c,value:o,dtype:s.dtype}})}let i=G().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new Eoe(s.shape,a,o):new _oe(s.shape,a,o),u=[[o]];return n.runWebGLProgram(i,[s],s.dtype,u)},Aoe={kernelName:Ii,backendName:"webgl",kernelFunc:ND},Doe= `
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if ( a < 0.0 && floor ( b ) < b ) {
return NAN ;
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}
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if ( b == 0.0 ) {
return 1.0 ;
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}
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return ( round ( mod ( b , 2.0 ) ) != 1 ) ?
pow ( abs ( a ) , b ) : sign ( a ) * pow ( abs ( a ) , b ) ;
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` , $ oe= `
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// isModRound1 has 1 for components with round(mod(b, 2.0)) == 1, 0 otherwise.
vec4 isModRound1 = vec4 ( equal ( round ( mod ( b , 2.0 ) ) , ivec4 ( 1 ) ) ) ;
vec4 multiplier = sign ( a ) * isModRound1 + ( vec4 ( 1.0 ) - isModRound1 ) ;
vec4 result = multiplier * pow ( abs ( a ) , b ) ;
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// Ensure that a^0 = 1, including 0^0 = 1 as this correspond to TF and JS
bvec4 isExpZero = equal ( b , vec4 ( 0.0 ) ) ;
result . r = isExpZero . r ? 1.0 : result . r ;
result . g = isExpZero . g ? 1.0 : result . g ;
result . b = isExpZero . b ? 1.0 : result . b ;
result . a = isExpZero . a ? 1.0 : result . a ;
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2022-10-09 19:40:33 +02:00
bvec4 isNaN1 = lessThan ( a , vec4 ( 0.0 ) ) ;
bvec4 isNaN2 = lessThan ( floor ( b ) , b ) ;
bvec4 isNaN = bvec4 ( isNaN1 . x && isNaN2 . x , isNaN1 . y && isNaN2 . y , isNaN1 . z && isNaN2 . z , isNaN1 . w && isNaN2 . w ) ;
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` +nu+ `
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return result ;
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` ,Foe=mn({opSnippet:Doe,packedOpSnippet: $ oe}),Roe={kernelName:ki,backendName:"webgl",kernelFunc:Foe};function Poe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=s.shape.length,u=[],c=w.parseAxisParam(a,s.shape),l=c,p=T.getAxesPermutation(l,i),d=s;p!=null&&(d=Tn({inputs:{x:s},backend:n,attrs:{perm:p}}),l=T.getInnerMostAxes(l.length,i),u.push(d)),T.assertAxesAreInnerMostDims("prod",l,i);let h;if(n.shouldExecuteOnCPU([d])){let f=n.texData.get(d.dataId).values,{outVals:g,outShape:m,outDtype:b}=DQ(d.shape,d.dtype,f,l);h=n.makeTensorInfo(m,b,g)}else{let[f,g]=T.computeOutAndReduceShapes(d.shape,l),m=w.sizeFromShape(g),b=pe({inputs:{x:d},backend:n,attrs:{shape:[-1,m]}}),y=Zf(s.dtype),v=ru(b,y,"prod",n);h=pe({inputs:{x:v},backend:n,attrs:{shape:f}}),u.push(b),u.push(v)}if(o){u.push(h);let f=T.expandShapeToKeepDim(h.shape,c);h=pe({inputs:{x:h},backend:n,attrs:{shape:f}})}return u.forEach(f=>n.disposeIntermediateTensorInfo(f)),h}var Ooe={kernelName:Ci,backendName:"webgl",kernelFunc:Poe};function Moe(e){let{inputs:t,backend:n,attrs:r}=e,{paramsNestedSplits:s,paramsDenseValues:a,indices:o}=t,{outputRaggedRank:i}=r,u=s.map(b=>n.readSync(b.dataId)),c=s.map(b=>b.shape),l=n.readSync(a.dataId),p=n.readSync(o.dataId),[d,h,f]= $ Q(u,c,l,a.shape,a.dtype,p,o.shape,i),g=d.map(b=>n.makeTensorInfo([b.length],"int32",b)),m=n.makeTensorInfo(f,a.dtype,h);return g.concat([m])}var Loe={kernelName:jf,backendName:"webgl",kernelFunc:Moe};function Boe(e){let{inputs:t,backend:n}=e,{starts:r,limits:s,deltas:a}=t,o=n.readSync(r.dataId),i=n.readSync(s.dataId),u=n.readSync(a.dataId),[c,l]=FQ(o,r.shape,r.dtype,i,s.shape,u,a.shape),p=n.makeTensorInfo([c.length],"int32",c),d=n.makeTensorInfo([l.length],r.dtype,l);return[p,d]}var zoe={kernelName:qf,backendName:"webgl",kernelFunc:Boe};function Woe(e){let{inputs:t,backend:n,attrs:r}=e,{shape:s,values:a,defaultValue:o,rowPartitionTensors:i}=t,{rowPartitionTypes:u}=r,c=n.readSync(s.dataId),l=n.readSync(a.dataId),p=n.readSync(o.dataId),d=i.map(m=>n.readSync(m.dataId)),h=i.map(m=>m.shape),[f,g]=RQ(c,s.shape,l,a.shape,a.dtype,p,o.shape,d,h,u);return n.makeTensorInfo(f,a.dtype,g)}var Voe={kernelName:Kf,backendName:"webgl",kernelFunc:Woe},_D=e=>{let{backend:t,attrs:n}=e,{start:r,stop:s,step:a,dtype:o}=n,i=PQ(r,s,a,o);return t.makeTensorInfo([i.length],o,i)},Uoe={kernelName:Xd,backendName:"webgl",kernelFunc:_D},Goe="return 1.0 / x;",Hoe=Ze({opSnippet:Goe}),joe={kernelName:Ti,backendName:"webgl",kernelFunc:Hoe},qoe=Or+ `
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return ( x < 0.0 ) ? 0.0 : x ;
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` ,Koe= `
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vec4 result = x * vec4 ( greaterThanEqual ( x , vec4 ( 0.0 ) ) ) ;
bvec4 isNaN = isnan ( x ) ;
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result . r = isNaN . r ? x . r : result . r ;
result . g = isNaN . g ? x . g : result . g ;
result . b = isNaN . b ? x . b : result . b ;
result . a = isNaN . a ? x . a : result . a ;
return result ;
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` ,Xoe=Ze({opSnippet:qoe,packedOpSnippet:Koe}),Yoe={kernelName:Ni,backendName:"webgl",kernelFunc:Xoe},Zoe=Or+ `
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return ( x < 0.0 ) ? 0.0 : min ( 6.0 , x ) ;
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` ,Joe= `
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vec4 result = min ( x , vec4 ( 6. ) ) * vec4 ( greaterThanEqual ( x , vec4 ( 0.0 ) ) ) ;
bvec4 isNaN = isnan ( x ) ;
result . r = isNaN . r ? x . r : result . r ;
result . g = isNaN . g ? x . g : result . g ;
result . b = isNaN . b ? x . b : result . b ;
result . a = isNaN . a ? x . a : result . a ;
return result ;
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` ,Qoe=Ze({opSnippet:Zoe,packedOpSnippet:Joe}),eie={kernelName:Ai,backendName:"webgl",kernelFunc:Qoe},tie=class{constructor(e,t,n,r,s){this.variableNames=["A"],this.outputShape=[];let[a,o,i,u]=e;this.outputShape=[a,t,n,u];let c=[r&&t>1?o-1:o,r&&n>1?i-1:i],l=[r&&t>1?t-1:t,r&&n>1?n-1:n],p;s?p="(vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC - vec2(0.5)":p="vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode= `
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const vec2 effectiveInputOverOutputRatioRC = vec2 (
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$ { c [ 0 ] / l [ 0 ] } ,
$ { c [ 1 ] / l [ 1 ] } ) ;
const vec2 inputShapeRC = vec2 ( $ { o } . 0 , $ { i } . 0 ) ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int d = coords [ 3 ] ;
ivec2 yRC = coords . yz ;
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// Fractional source index.
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vec2 sourceFracIndexRC = $ { p } ;
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// Compute the four integer indices.
ivec2 sourceFloorRC = ivec2 ( max ( sourceFracIndexRC , vec2 ( 0.0 ) ) ) ;
ivec2 sourceCeilRC = ivec2 (
min ( inputShapeRC - 1.0 , ceil ( sourceFracIndexRC ) ) ) ;
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float topLeft = getA ( b , sourceFloorRC . x , sourceFloorRC . y , d ) ;
float bottomLeft = getA ( b , sourceCeilRC . x , sourceFloorRC . y , d ) ;
float topRight = getA ( b , sourceFloorRC . x , sourceCeilRC . y , d ) ;
float bottomRight = getA ( b , sourceCeilRC . x , sourceCeilRC . y , d ) ;
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vec2 fracRC = sourceFracIndexRC - vec2 ( sourceFloorRC ) ;
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float top = topLeft + ( topRight - topLeft ) * fracRC . y ;
float bottom = bottomLeft + ( bottomRight - bottomLeft ) * fracRC . y ;
float newValue = top + ( bottom - top ) * fracRC . x ;
setOutput ( newValue ) ;
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}
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` }},nie=class{constructor(e,t,n,r,s){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];let[a,o,i,u]=e;this.outputShape=[a,t,n,u];let c=[r&&t>1?o-1:o,r&&n>1?i-1:i],l=[r&&t>1?t-1:t,r&&n>1?n-1:n],p;s?p="(vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC - vec3(0.5)":p="vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode= `
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const vec3 effectiveInputOverOutputRatioRC = vec3 (
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$ { c [ 0 ] / l [ 0 ] } ,
$ { c [ 1 ] / l [ 1 ] } ,
$ { c [ 1 ] / l [ 1 ] } ) ;
const vec3 inputShapeRC = vec3 ( $ { o } . 0 , $ { i } . 0 ,
$ { i } . 0 ) ;
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float getAValue ( int b , int r , int c , int d ) {
return getChannel ( getA ( b , r , c , d ) , vec2 ( c , d ) ) ;
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}
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int d = coords [ 3 ] ;
// Calculate values for next column in yRC.z.
ivec3 yRC = coords . yzz + ivec3 ( 0 , 0 , 1 ) ;
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// Fractional source index.
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vec3 sourceFracIndexRC = $ { p } ;
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// Compute the four integer indices.
ivec3 sourceFloorRC = ivec3 ( max ( sourceFracIndexRC , vec3 ( 0.0 ) ) ) ;
ivec3 sourceCeilRC = ivec3 (
min ( inputShapeRC - 1.0 , ceil ( sourceFracIndexRC ) ) ) ;
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// Should we calculate next column and row elements in 2x2 packed cell.
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bool hasNextCol = d < $ { u - 1 } ;
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bool hasNextRow = coords . z < $ { n - 1 } ;
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// In parallel, construct four corners for all four components in
// packed 2x2 cell.
vec4 topLeft = vec4 (
getAValue ( b , sourceFloorRC . x , sourceFloorRC . y , d ) ,
hasNextCol ? getAValue ( b , sourceFloorRC . x , sourceFloorRC . y , d + 1 )
: 0.0 ,
hasNextRow ? getAValue ( b , sourceFloorRC . x , sourceFloorRC . z , d )
: 0.0 ,
( hasNextRow && hasNextCol ) ?
getAValue ( b , sourceFloorRC . x , sourceFloorRC . z , d + 1 ) : 0.0 ) ;
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vec4 bottomLeft = vec4 (
getAValue ( b , sourceCeilRC . x , sourceFloorRC . y , d ) ,
hasNextCol ? getAValue ( b , sourceCeilRC . x , sourceFloorRC . y , d + 1 )
: 0.0 ,
hasNextRow ? getAValue ( b , sourceCeilRC . x , sourceFloorRC . z , d )
: 0.0 ,
( hasNextRow && hasNextCol ) ?
getAValue ( b , sourceCeilRC . x , sourceFloorRC . z , d + 1 ) : 0.0 ) ;
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vec4 topRight = vec4 (
getAValue ( b , sourceFloorRC . x , sourceCeilRC . y , d ) ,
hasNextCol ? getAValue ( b , sourceFloorRC . x , sourceCeilRC . y , d + 1 )
: 0.0 ,
hasNextRow ? getAValue ( b , sourceFloorRC . x , sourceCeilRC . z , d )
: 0.0 ,
( hasNextRow && hasNextCol ) ?
getAValue ( b , sourceFloorRC . x , sourceCeilRC . z , d + 1 ) : 0.0 ) ;
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vec4 bottomRight = vec4 (
getAValue ( b , sourceCeilRC . x , sourceCeilRC . y , d ) ,
hasNextCol ? getAValue ( b , sourceCeilRC . x , sourceCeilRC . y , d + 1 )
: 0.0 ,
hasNextRow ? getAValue ( b , sourceCeilRC . x , sourceCeilRC . z , d )
: 0.0 ,
( hasNextRow && hasNextCol ) ?
getAValue ( b , sourceCeilRC . x , sourceCeilRC . z , d + 1 ) : 0.0 ) ;
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vec3 fracRC = sourceFracIndexRC - vec3 ( sourceFloorRC ) ;
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vec4 top = mix ( topLeft , topRight , fracRC . yyzz ) ;
vec4 bottom = mix ( bottomLeft , bottomRight , fracRC . yyzz ) ;
vec4 newValue = mix ( top , bottom , fracRC . x ) ;
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setOutput ( newValue ) ;
}
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` }};function rie(e){let{inputs:t,backend:n,attrs:r}=e,{images:s}=t,{alignCorners:a,halfPixelCenters:o,size:i}=r,[u,c]=i,l=G().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new nie(s.shape,u,c,a,o):new tie(s.shape,u,c,a,o);return n.runWebGLProgram(l,[s],"float32")}var sie={kernelName:Ei,backendName:"webgl",kernelFunc:rie},aie=class{constructor(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;let[,r,s]=t,[,a,o]=e,i=[n&&a>1?r-1:r,n&&o>1?s-1:s],u=[n&&a>1?a-1:a,n&&o>1?o-1:o],c=i[0]/u[0],l=i[1]/u[1],p=1/c,d=1/l,h=Math.ceil(p)*2+2,f=Math.ceil(d)*2+2;this.userCode= `
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int d = coords [ 3 ] ;
int r = coords [ 1 ] ;
int c = coords [ 2 ] ;
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float accumulator = 0.0 ;
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const float heightScale = float ( $ { c } ) ;
const float widthScale = float ( $ { l } ) ;
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const float invHeightScale = float ( $ { p } ) ;
const float invWidthScale = float ( $ { d } ) ;
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const int winHeight = int ( $ { h } ) ;
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const int winWidth = int ( $ { f } ) ;
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// Compute bounds for where in dy we will look
float startRLerp = floor ( float ( r ) * invHeightScale ) ;
int startDyR = int ( startRLerp - float ( winHeight / 2 ) ) ;
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float startCLerp = floor ( float ( c ) * invWidthScale ) ;
int startDyC = int ( startCLerp - float ( winWidth / 2 ) ) ;
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// Loop over dy
for ( int dyROffset = 0 ; dyROffset < winHeight ; dyROffset ++ ) {
int dyR = dyROffset + startDyR ;
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// Guard against the window exceeding the bounds of dy
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if ( dyR < 0 || dyR >= $ { a } ) {
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continue ;
}
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for ( int dyCOffset = 0 ; dyCOffset < winWidth ; dyCOffset ++ ) {
int dyC = dyCOffset + startDyC ;
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// Guard against the window exceeding the bounds of dy
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if ( dyC < 0 || dyC >= $ { o } ) {
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continue ;
}
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float dxR = float ( dyR ) * heightScale ;
int topDxRIndex = int ( floor ( dxR ) ) ;
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int bottomDxRIndex = int ( min ( ceil ( dxR ) , $ { r - 1 } . 0 ) ) ;
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float dxRLerp = dxR - float ( topDxRIndex ) ;
float inverseDxRLerp = 1.0 - dxRLerp ;
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float dxC = float ( dyC ) * widthScale ;
int leftDxCIndex = int ( floor ( dxC ) ) ;
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int rightDxCIndex = int ( min ( ceil ( dxC ) , $ { s - 1 } . 0 ) ) ;
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float dxCLerp = dxC - float ( leftDxCIndex ) ;
float inverseDxCLerp = 1.0 - dxCLerp ;
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if ( r == topDxRIndex && c == leftDxCIndex ) {
// topLeft
accumulator +=
getDy ( b , dyR , dyC , d ) * inverseDxRLerp * inverseDxCLerp ;
}
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if ( r == topDxRIndex && c == rightDxCIndex ) {
// topRight
accumulator += getDy ( b , dyR , dyC , d ) * inverseDxRLerp * dxCLerp ;
}
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if ( r == bottomDxRIndex && c == leftDxCIndex ) {
// bottomLeft
accumulator += getDy ( b , dyR , dyC , d ) * dxRLerp * inverseDxCLerp ;
}
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if ( r == bottomDxRIndex && c == rightDxCIndex ) {
// bottomRight
accumulator += getDy ( b , dyR , dyC , d ) * dxRLerp * dxCLerp ;
}
}
}
// End loop over dy
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setOutput ( accumulator ) ;
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}
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` }};function oie(e){let{inputs:t,backend:n,attrs:r}=e,{images:s,dy:a}=t,{alignCorners:o}=r,i=new aie(a.shape,s.shape,o);return n.runWebGLProgram(i,[a],a.dtype)}var iie={kernelName:Xc,backendName:"webgl",kernelFunc:oie},uie=class{constructor(e,t,n,r,s){this.variableNames=["A"],this.outputShape=[];let[a,o,i,u]=e;this.outputShape=[a,t,n,u];let c=[r&&t>1?o-1:o,r&&n>1?i-1:i],l=[r&&t>1?t-1:t,r&&n>1?n-1:n],p=r?"0.5":"0.0",d;s?d="max((vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC, vec2(0.0))":d="vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode= `
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const vec2 effectiveInputOverOutputRatioRC = vec2 (
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$ { c [ 0 ] / l [ 0 ] } ,
$ { c [ 1 ] / l [ 1 ] } ) ;
const vec2 inputShapeRC = vec2 ( $ { o } . 0 , $ { i } . 0 ) ;
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int d = coords [ 3 ] ;
ivec2 yRC = coords . yz ;
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// Fractional source index.
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vec2 sourceFracIndexRC = $ { d } ;
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// Compute the coordinators of nearest neighbor point.
ivec2 sourceNearestRC = ivec2 (
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min ( inputShapeRC - 1.0 , floor ( sourceFracIndexRC + $ { p } ) ) ) ;
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float newValue = getA ( b , sourceNearestRC . x , sourceNearestRC . y , d ) ;
setOutput ( newValue ) ;
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}
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` }},cie=class{constructor(e,t,n,r,s){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];let[a,o,i,u]=e;this.outputShape=[a,t,n,u];let c=[r&&t>1?o-1:o,r&&n>1?i-1:i],l=[r&&t>1?t-1:t,r&&n>1?n-1:n],p=r?"0.5":"0.0",d;s?d="max((vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC, vec3(0.0))":d="vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode= `
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const vec3 effectiveInputOverOutputRatioRC = vec3 (
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$ { c [ 0 ] / l [ 0 ] } ,
$ { c [ 1 ] / l [ 1 ] } ,
$ { c [ 1 ] / l [ 1 ] } ) ;
const vec3 inputShapeRC = vec3 ( $ { o } . 0 , $ { i } . 0 ,
$ { i } . 0 ) ;
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float getAValue ( int b , int r , int c , int d ) {
return getChannel ( getA ( b , r , c , d ) , vec2 ( c , d ) ) ;
}
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int d = coords [ 3 ] ;
// Calculate values for next column in yRC.z.
ivec3 yRC = coords . yzz + ivec3 ( 0 , 0 , 1 ) ;
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// Fractional source index.
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vec3 sourceFracIndexRC = $ { d } ;
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// Compute the coordinators of nearest neighbor point.
ivec3 sourceNearestRC = ivec3 (
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min ( inputShapeRC - 1.0 , floor ( sourceFracIndexRC + $ { p } ) ) ) ;
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// Should we calculate next column and row elements in 2x2 packed cell.
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bool hasNextCol = d < $ { u - 1 } ;
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bool hasNextRow = coords . z < $ { n - 1 } ;
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vec4 newValue = vec4 (
getAValue ( b , sourceNearestRC . x , sourceNearestRC . y , d ) ,
hasNextCol ? getAValue ( b , sourceNearestRC . x , sourceNearestRC . y , d + 1 )
: 0.0 ,
hasNextRow ? getAValue ( b , sourceNearestRC . x , sourceNearestRC . z , d )
: 0.0 ,
( hasNextRow && hasNextCol ) ?
getAValue ( b , sourceNearestRC . x , sourceNearestRC . z , d + 1 ) : 0.0 ) ;
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setOutput ( newValue ) ;
}
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` }};function lie(e){let{inputs:t,backend:n,attrs:r}=e,{images:s}=t,{alignCorners:a,halfPixelCenters:o,size:i}=r,[u,c]=i,l=G().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new cie(s.shape,u,c,a,o):new uie(s.shape,u,c,a,o);return n.runWebGLProgram(l,[s],s.dtype)}var die={kernelName:_i,backendName:"webgl",kernelFunc:lie},pie=class{constructor(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;let[,r,s]=t,[,a,o]=e,i=[n&&a>1?r-1:r,n&&o>1?s-1:s],u=[n&&a>1?a-1:a,n&&o>1?o-1:o],c=i[0]/u[0],l=i[1]/u[1],p=1/c,d=1/l,h=Math.ceil(p)*2+2,f=Math.ceil(d)*2+2;this.userCode= `
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int b = coords [ 0 ] ;
int d = coords [ 3 ] ;
int r = coords [ 1 ] ;
int c = coords [ 2 ] ;
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float accumulator = 0.0 ;
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const float heightScale = float ( $ { c } ) ;
const float widthScale = float ( $ { l } ) ;
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const float invHeightScale = float ( $ { p } ) ;
const float invWidthScale = float ( $ { d } ) ;
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const int winHeight = int ( $ { h } ) ;
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const int winWidth = int ( $ { f } ) ;
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// Compute bounds for where in dy we will look
float startRLerp = floor ( float ( r ) * invHeightScale ) ;
int startDyR = int ( floor ( startRLerp - float ( winHeight / 2 ) ) ) ;
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float startCLerp = floor ( float ( c ) * invWidthScale ) ;
int startDyC = int ( floor ( startCLerp - float ( winWidth / 2 ) ) ) ;
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// Loop over dy
for ( int dyROffset = 0 ; dyROffset < winHeight ; dyROffset ++ ) {
int dyR = dyROffset + startDyR ;
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// Guard against the window exceeding the bounds of dy
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if ( dyR < 0 || dyR >= $ { a } ) {
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continue ;
}
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for ( int dyCOffset = 0 ; dyCOffset < winWidth ; dyCOffset ++ ) {
int dyC = dyCOffset + startDyC ;
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// Guard against the window exceeding the bounds of dy
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if ( dyC < 0 || dyC >= $ { o } ) {
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continue ;
}
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float sourceFracRow =
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float ( $ { i [ 0 ] } ) *
( float ( dyR ) / float ( $ { u [ 0 ] } ) ) ;
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float sourceFracCol =
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float ( $ { i [ 1 ] } ) *
( float ( dyC ) / float ( $ { u [ 1 ] } ) ) ;
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int sourceNearestRow = int ( min (
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float ( int ( $ { r } ) - 1 ) ,
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$ { n } ? float ( round ( sourceFracRow ) ) :
float ( floor ( sourceFracRow ) ) ) ) ;
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int sourceNearestCol = int ( min (
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float ( int ( $ { s } ) - 1 ) ,
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$ { n } ? float ( round ( sourceFracCol ) ) :
float ( floor ( sourceFracCol ) ) ) ) ;
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if ( r == sourceNearestRow && c == sourceNearestCol ) {
accumulator += getDy ( b , dyR , dyC , d ) ;
}
}
}
// End loop over dy
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setOutput ( accumulator ) ;
}
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` }};function hie(e){let{inputs:t,backend:n,attrs:r}=e,{images:s,dy:a}=t,{alignCorners:o}=r,i=new pie(a.shape,s.shape,o);return n.runWebGLProgram(i,[a],a.dtype)}var fie={kernelName:Kc,backendName:"webgl",kernelFunc:hie},mie=class{constructor(e,t){this.variableNames=["x"];let n=e.length;if(n>4)throw new Error( ` WebGL backend : Reverse of rank - $ { n } tensor is not yet supported ` );if(this.outputShape=e,n===1){this.userCode= `
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void main ( ) {
int coord = getOutputCoords ( ) ;
setOutput ( getX ( $ { e [ 0 ] } - coord - 1 ) ) ;
}
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` ;return}let r=o=>t.indexOf(o)!==-1&&e[o]!==1? ` $ { e [ o ] } - coords [ $ { o } ] - 1 ` : ` coords [ $ { o } ] ` ,s=e.map((o,i)=>r(i)).join(","),a=ht(n);this.userCode= `
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void main ( ) {
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$ { a } coords = getOutputCoords ( ) ;
setOutput ( getX ( $ { s } ) ) ;
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}
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` }},gie=class{constructor(e,t){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0;let n=e.length;if(n>4)throw new Error( ` WebGL backend : Reverse of rank - $ { n } tensor is not yet supported ` );this.outputShape=e;let r=Cn("rc",n),s= ` $ { r [ n - 1 ] } + 1 < $ { this . outputShape [ n - 1 ] } ` ,a= ` $ { r [ n - 2 ] } + 1 < $ { this . outputShape [ n - 2 ] } ` ,o=ht(n);n===1?this.userCode= `
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void main ( ) {
int rc = getOutputCoords ( ) ;
vec4 result = vec4 ( 0. ) ;
result . r = getChannel ( getX ( $ { e [ 0 ] } - rc - 1 ) ,
$ { e [ 0 ] } - rc - 1 ) ;
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if ( $ { s } ) {
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result . g = getChannel ( getX ( $ { e [ 0 ] } - ( rc + 1 ) - 1 ) ,
$ { e [ 0 ] } - ( rc + 1 ) - 1 ) ;
}
setOutput ( result ) ;
}
` :this.userCode= `
void main ( ) {
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$ { o } rc = getOutputCoords ( ) ;
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vec4 result = vec4 ( 0. ) ;
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result . r = $ { i ( r . slice ( ) ) } ;
if ( $ { s } ) {
result . g = $ { u ( r . slice ( ) ) } ;
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}
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if ( $ { a } ) {
result . b = $ { c ( r . slice ( ) ) } ;
if ( $ { s } ) {
result . a = $ { l ( r . slice ( ) ) } ;
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}
}
setOutput ( result ) ;
}
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` ;function i(h){return p(h)}function u(h){return h[n-1]="("+h[n-1]+" + 1)",p(h)}function c(h){return h[n-2]="("+h[n-2]+" + 1)",p(h)}function l(h){return h[n-1]="("+h[n-1]+" + 1)",h[n-2]="("+h[n-2]+" + 1)",p(h)}function p(h){let f=e.map((b,y)=>d(y,h)),g=f.join(","),m=f.slice(-2).join(",");return ` getChannel ( getX ( $ { g } ) , vec2 ( $ { m } ) ) ` }function d(h,f){return t.indexOf(h)!==-1&&e[h]!==1? ` $ { e [ h ] } - $ { f [ h ] } - 1 ` : ` $ { f [ h ] } ` }}};function bie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{dims:a}=r,o=s.shape.length,i=w.parseAxisParam(a,s.shape);if(o===0)return sr({inputs:{x:s},backend:n});let u=G().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new gie(s.shape,i):new mie(s.shape,i);return n.runWebGLProgram(u,[s],s.dtype)}var yie={kernelName:Di,backendName:"webgl",kernelFunc:bie},vie=class{constructor(e,t){this.variableNames=["Image"],this.outputShape=[],this.customUniforms=[{name:"params",type:"vec4"}];let n=e[1],r=e[2];this.outputShape=e;let s="";typeof t=="number"?s= ` float outputValue = $ { t . toFixed ( 2 ) } ; ` :s= `
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vec3 fill = vec3 ( $ { t . join ( "," ) } ) ;
float outputValue = fill [ coords [ 3 ] ] ; ` ,this.userCode= `
void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
int x = coords [ 2 ] ;
int y = coords [ 1 ] ;
float coordXFloat = ( float ( x ) - params [ 0 ] ) * params [ 3 ] -
( float ( y ) - params [ 1 ] ) * params [ 2 ] ;
float coordYFloat = ( float ( x ) - params [ 0 ] ) * params [ 2 ] +
( float ( y ) - params [ 1 ] ) * params [ 3 ] ;
int coordX = int ( round ( coordXFloat + params [ 0 ] ) ) ;
int coordY = int ( round ( coordYFloat + params [ 1 ] ) ) ;
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$ { s }
if ( coordX >= 0 && coordX < $ { r } && coordY >= 0 && coordY < $ { n } ) {
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outputValue = getImage ( coords [ 0 ] , coordY , coordX , coords [ 3 ] ) ;
}
setOutput ( outputValue ) ;
}
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` }},xie={kernelName:ll,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{image:r}=e,{radians:s,fillValue:a,center:o}=t,i=n,u=new vie(r.shape,a),[c,l]=T.getImageCenter(o,r.shape[1],r.shape[2]),p=[[c,l,Math.sin(s),Math.cos(s)]];return i.runWebGLProgram(u,[r],r.dtype,p)}},wie= `
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// OpenGL ES does not support round function.
// The algorithm is based on banker's rounding.
float base = floor ( x ) ;
if ( ( x - base ) < 0.5 ) {
return floor ( x ) ;
} else if ( ( x - base ) > 0.5 ) {
return ceil ( x ) ;
} else {
if ( mod ( base , 2.0 ) == 0.0 ) {
return base ;
} else {
return base + 1.0 ;
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}
}
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` ,Iie=Ze({opSnippet:wie}),kie={kernelName: $ i,backendName:"webgl",kernelFunc:Iie},Sie="return inversesqrt(x);",Cie=Ze({opSnippet:Sie,cpuKernelImpl:OQ}),Tie={kernelName:Fi,backendName:"webgl",kernelFunc:Cie},x0=class{constructor(e,t,n,r,s,a,o=!0,i=!1){this.variableNames=["updates","indices","defaultValue"],this.outputShape=a;let u=ht(s.length),c=ht(a.length),l="";n===1?l="i":n===2&&(l="i, j");let p= ` getIndices ( $ { l } ) ` ,d="";r===1?d="i":r===2&&(d="i, coords[1]");let h= ` getUpdates ( $ { d } ) ` ,f="";i&&(f="coords[0], coords[1]");let g= ` getDefaultValue ( $ { f } ) ` ,m=t>1?"strides[j]":"strides";this.userCode= `
$ { u } strides = $ { u } ( $ { s } ) ;
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void main ( ) {
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$ { c } coords = getOutputCoords ( ) ;
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float sum = 0.0 ;
bool found = false ;
for ( int i = 0 ; i < $ { e } ; i ++ ) {
int flattenedIndex = 0 ;
for ( int j = 0 ; j < $ { t } ; j ++ ) {
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int index = round ( $ { p } ) ;
flattenedIndex += index * $ { m } ;
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}
if ( flattenedIndex == coords [ 0 ] ) {
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sum += $ { h } ;
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found = true ;
}
}
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setOutput ( mix ( $ { g } , sum , float ( found ) ) ) ;
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}
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` }},Nie=class{constructor(e,t,n,r,s,a,o=!0,i=!1){this.variableNames=["updates","indices","defaultValue"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=a;let u=ht(s.length),c=ht(a.length),l="";n===1?l="i":n===2&&(l="i, j");let p= ` getIndices ( $ { l } ) ` ,d="";r===1?d="i":r===2&&(d="i, coords[1]");let h= ` getUpdates ( $ { d } ) ` ,f="";i&&(f="coords[0], coords[1]");let g= ` getDefaultValue ( $ { f } ) ` ,m=t>1?"strides[j]":"strides",b=t>1?"strides[j + 1]":"strides";this.userCode= `
$ { u } strides = $ { u } ( $ { s } ) ;
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void main ( ) {
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$ { c } coords = getOutputCoords ( ) ;
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vec4 sum = vec4 ( 0. ) ;
vec4 found = vec4 ( 0. ) ;
for ( int i = 0 ; i < $ { e } ; i += 2 ) {
ivec2 flattenedIndex = ivec2 ( 0 ) ;
for ( int j = 0 ; j < $ { t } ; j += 2 ) {
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ivec4 index = round ( $ { p } ) ;
flattenedIndex += index . xz * $ { m } ;
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if ( j + 1 < $ { t } ) {
flattenedIndex += index . yw * $ { b } ;
}
}
if ( flattenedIndex [ 0 ] == coords [ 0 ] || flattenedIndex [ 1 ] == coords [ 0 ] ||
flattenedIndex [ 0 ] == coords [ 0 ] + 1 || flattenedIndex [ 1 ] == coords [ 0 ] + 1 ) {
vec4 updVals = $ { h } ;
if ( flattenedIndex [ 0 ] == coords [ 0 ] ) {
sum . xy += updVals . xy ;
found . xy = vec2 ( 1. ) ;
} else if ( flattenedIndex [ 0 ] == coords [ 0 ] + 1 ) {
sum . zw += updVals . xy ;
found . zw = vec2 ( 1. ) ;
}
if ( flattenedIndex [ 1 ] == coords [ 0 ] ) {
sum . xy += updVals . zw ;
found . xy = vec2 ( 1. ) ;
} else if ( flattenedIndex [ 1 ] == coords [ 0 ] + 1 ) {
sum . zw += updVals . zw ;
found . zw = vec2 ( 1. ) ;
}
}
}
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setOutput ( mix ( $ { g } , sum , found ) ) ;
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}
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` }};function _ie(e){let{inputs:t,backend:n,attrs:r}=e,{indices:s,updates:a}=t,{shape:o}=r,{sliceRank:i,numUpdates:u,sliceSize:c,strides:l,outputSize:p}=T.calculateShapes(a,s,o),d=[p/c,c];if(p===0)return n.makeTensorInfo(o,s.dtype);let h=pe({inputs:{x:s},backend:n,attrs:{shape:[u,i]}}),f=pe({inputs:{x:a},backend:n,attrs:{shape:[u,c]}}),g=n.makeTensorInfo([],"float32",new Float32Array([0])),m;G().getBool("WEBGL_PACK")?m=new Nie(u,i,h.shape.length,f.shape.length,l,d):m=new x0(u,i,h.shape.length,f.shape.length,l,d);let b=n.runWebGLProgram(m,[f,h,g],f.dtype),y=pe({inputs:{x:b},backend:n,attrs:{shape:o}});return n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(b),n.disposeIntermediateTensorInfo(g),y}var Eie={kernelName:Yc,backendName:"webgl",kernelFunc:_ie},Aie=class{constructor(e,t,n,r){this.variableNames=["sortedSequence","values"],this.customUniforms=[{name:"numInputs",type:"int"}],this.outputShape=[e,n];let s="while (left < right) {",a= ` for ( int i = 0 ; i < $ { Math . ceil ( Math . log2 ( t + 1 ) ) } ; ++ i ) { if ( left >= right ) break ; ` ,o=G().getNumber("WEBGL_VERSION")===2?s:a,i=r==="left"?"<":"<=";this.userCode= `
2022-05-18 14:36:05 +02:00
int findBound ( int batch , float value ) {
int left = 0 ;
int right = numInputs ;
int mid ;
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$ { o }
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mid = ( left + right ) / 2 ;
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if ( getSortedSequence ( batch , mid ) $ { i } value ) {
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left = mid + 1 ;
} else {
right = mid ;
}
}
return right ;
}
void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
int valueIndex = coords [ 1 ] ;
float value = getValues ( batch , valueIndex ) ;
setOutput ( float ( findBound ( batch , value ) ) ) ;
}
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` }};function Die(e){let{inputs:t,backend:n,attrs:r}=e,{sortedSequence:s,values:a}=t,{side:o}=r,i=new Aie(s.shape[0],s.shape[1],a.shape[1],o),u=[[s.shape[1]]];return n.runWebGLProgram(i,[s,a],"int32",u)}var $ ie={kernelName:Jc,backendName:"webgl",kernelFunc:Die},Fie=class{constructor(e,t,n){this.variableNames=["c","a","b"],this.outputShape=t;let r,s;if(n>4)throw Error( ` Where for rank $ { n } is not yet supported ` );if(n===1)s="resRC",r="resRC";else{let o=["resRC.x","resRC.y","resRC.z","resRC.w"],i=[],u=[];for(let c=0;c<t.length;c++)u.push( ` $ { o [ c ] } ` ),c<e&&i.push( ` $ { o [ c ] } ` );r=i.join(),s=u.join()}let a=ht(n);this.userCode= `
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void main ( ) {
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$ { a } resRC = getOutputCoords ( ) ;
float cVal = getC ( $ { r } ) ;
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if ( cVal >= 1.0 ) {
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setOutput ( getA ( $ { s } ) ) ;
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} else {
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setOutput ( getB ( $ { s } ) ) ;
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}
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}
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` }};function Rie(e){let{inputs:t,backend:n}=e,{condition:r,t:s,e:a}=t,o=new Fie(r.shape.length,s.shape,s.shape.length);return n.runWebGLProgram(o,[r,s,a],fr(s.dtype,a.dtype))}var Pie={kernelName:Qc,backendName:"webgl",kernelFunc:Rie},Oie= `
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// Stable and Attracting Fixed Point (0, 1) for Normalized Weights.
// see: https://arxiv.org/abs/1706.02515
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float scaleAlpha = $ { T . SELU _SCALEALPHA } ;
float scale = $ { T . SELU _SCALE } ;
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return ( x >= 0.0 ) ? scale * x : scaleAlpha * ( exp ( x ) - 1.0 ) ;
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` ,Mie=Ze({opSnippet:Oie}),Lie={kernelName:Ri,backendName:"webgl",kernelFunc:Mie},Bie=Nl+ `
2022-01-14 16:04:13 +01:00
return 1.0 / ( 1.0 + exp ( - 1.0 * x ) ) ;
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` ,zie= `
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vec4 result = 1.0 / ( 1.0 + exp ( - 1.0 * x ) ) ;
bvec4 isNaN = isnan ( x ) ;
result . r = isNaN . r ? x . r : result . r ;
result . g = isNaN . g ? x . g : result . g ;
result . b = isNaN . b ? x . b : result . b ;
result . a = isNaN . a ? x . a : result . a ;
return result ;
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` ,Wie=Ze({opSnippet:Bie,packedOpSnippet:zie,cpuKernelImpl:LQ}),Vie={kernelName:Li,backendName:"webgl",kernelFunc:Wie},Uie= `
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if ( isnan ( x ) ) { return 0.0 ; }
return sign ( x ) ;
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` ,Gie=Ze({opSnippet:Uie}),Hie={kernelName:Mi,backendName:"webgl",kernelFunc:Gie},jie=Nl+ `
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return sin ( x ) ;
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` ,qie= `
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vec4 result = sin ( x ) ;
bvec4 isNaN = isnan ( x ) ;
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$ { nu }
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return result ;
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` ,Kie=Ze({opSnippet:jie,packedOpSnippet:qie}),Xie={kernelName:Pi,backendName:"webgl",kernelFunc:Kie},Yie= `
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float e2x = exp ( x ) ;
return ( e2x - 1.0 / e2x ) / 2.0 ;
2024-01-17 22:44:24 +01:00
` ,Zie=Ze({opSnippet:Yie}),Jie={kernelName:Oi,backendName:"webgl",kernelFunc:Zie},Qie= `
2021-09-11 17:11:38 +02:00
float epsilon = 1.1920928955078125 e - 7 ;
float threshold = log ( epsilon ) + 2.0 ;
2020-10-29 05:16:50 +01:00
2021-09-11 17:11:38 +02:00
bool too _large = x > - threshold ;
bool too _small = x < threshold ;
float result ;
float exp _x = exp ( x ) ;
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if ( too _large ) {
result = x ;
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}
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else if ( too _small ) {
result = exp _x ;
}
else {
result = log ( exp _x + 1.0 ) ;
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}
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return result ;
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` ,eue=Ze({opSnippet:Qie}),tue={kernelName:Bi,backendName:"webgl",kernelFunc:eue},nue=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockShape:a,paddings:o}=r;w.assert(s.shape.length<=4,()=>"spaceToBatchND for rank > 4 with a WebGL backend not implemented yet");let i=a.reduce((b,y)=>b*y),u=[[0,0]];u.push(...o);for(let b=1+a.length;b<s.shape.length;++b)u.push([0,0]);let c=[],l=ND({inputs:{x:s},backend:n,attrs:{paddings:u,constantValue:0}}),p=T.getReshaped(l.shape,a,i,!1),d=T.getPermuted(p.length,a.length,!1),h=T.getReshapedPermuted(l.shape,a,i,!1),f=pe({inputs:{x:l},backend:n,attrs:{shape:p}}),g=Tn({inputs:{x:f},backend:n,attrs:{perm:d}}),m=pe({inputs:{x:g},backend:n,attrs:{shape:h}});return c.push(l),c.push(f),c.push(g),c.forEach(b=>n.disposeIntermediateTensorInfo(b)),m},rue={kernelName:tl,backendName:"webgl",kernelFunc:nue};function sue(e){let{inputs:t,backend:n}=e,{indices:r,values:s,denseShape:a,defaultValue:o}=t;if(a.shape.length!==1)throw new Error( ` Dense shape must be a vector , saw :
$ { a . shape } ` );if(r.shape.length!==2)throw new Error( ` Indices must be a matrix , saw :
$ { r . shape } ` );if(s.shape.length!==1)throw new Error( ` Values must be a vector , saw :
$ { s . shape } ` );if(o.shape.length!==0)throw new Error( ` Default value must be a scalar , saw :
$ { o . shape } ` );let i=n.readSync(r.dataId),u=n.readSync(s.dataId),c=n.readSync(a.dataId),l=n.readSync(o.dataId)[0],[p,d,h,f,g]=zQ(i,r.shape,r.dtype,u,s.dtype,c,l);return[n.makeTensorInfo(d,r.dtype,p),n.makeTensorInfo([d[0]],s.dtype,h),n.makeTensorInfo([f.length],"bool",new Uint8Array(f.map(m=>Number(m)))),n.makeTensorInfo([g.length],r.dtype,new Int32Array(g))]}var aue={kernelName:Yd,backendName:"webgl",kernelFunc:sue};function oue(e){let{inputs:t,backend:n}=e,{inputIndices:r,inputShape:s,newShape:a}=t;if(r.shape.length!==2)throw new Error( ` Input indices should be a matrix but received shape $ { r . shape } ` );if(s.shape.length!==1)throw new Error( ` Input shape should be a vector but received shape $ { s . shape } ` );if(a.shape.length!==1)throw new Error( ` Target shape should be a vector but received shape $ { a . shape } ` );let o=Array.from(n.readSync(s.dataId)),i=n.readSync(r.dataId),u=Array.from(n.readSync(a.dataId)),[c,l,p]=WQ(i,r.shape,r.dtype,o,u);return[n.makeTensorInfo(l,r.dtype,c),n.makeTensorInfo([p.length],a.dtype,new Int32Array(p))]}var iue={kernelName:rl,backendName:"webgl",kernelFunc:oue};function uue(e){let{inputs:t,backend:n}=e,{data:r,indices:s,segmentIds:a}=t;if(r.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(s.shape.length!==1)throw new Error( ` Indices should be a vector but received shape
$ { s . shape } ` );if(a.shape.length!==1)throw new Error( ` Segment ids should be a vector but received shape
$ { a . shape } ` );let o=n.readSync(r.dataId),i=n.readSync(s.dataId),u=n.readSync(a.dataId),[c,l]=YA(o,r.shape,r.dtype,i,u,!0);return n.makeTensorInfo(l,r.dtype,c)}var cue={kernelName:Zd,backendName:"webgl",kernelFunc:uue};function lue(e){let{inputs:t,backend:n}=e,{data:r,indices:s,segmentIds:a}=t;if(r.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(s.shape.length!==1)throw new Error( ` Indices should be a vector but received shape
$ { s . shape } ` );if(a.shape.length!==1)throw new Error( ` Segment ids should be a vector but received shape
$ { a . shape } ` );let o=n.readSync(r.dataId),i=n.readSync(s.dataId),u=n.readSync(a.dataId),[c,l]=YA(o,r.shape,r.dtype,i,u);return n.makeTensorInfo(l,r.dtype,c)}var due={kernelName:Jd,backendName:"webgl",kernelFunc:lue};function pue(e){let{inputs:t,backend:n,attrs:r}=e,{sparseIndices:s,sparseValues:a,defaultValue:o}=t,{outputShape:i}=r,{sliceRank:u,numUpdates:c,sliceSize:l,strides:p,outputSize:d}=T.calculateShapes(a,s,i),h=!1;if(a.dtype==="string"){let b=n.bufferSync(s),y=n.bufferSync(a),v=w.decodeString(n.readSync(o.dataId)[0]),x=MQ(b,y,i,d,l,c,u,p,v,h);return n.makeTensorInfo(i,x.dtype,x.values)}let f=new x0(c,u,s.shape.length,a.shape.length,p,[d,1],h),g=n.runWebGLProgram(f,[a,s,o],a.dtype),m=pe({inputs:{x:g},backend:n,attrs:{shape:i}});return n.disposeIntermediateTensorInfo(g),m}var hue={kernelName:sl,backendName:"webgl",kernelFunc:pue};function fue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{numOrSizeSplits:a,axis:o}=r,i=w.parseAxisParam(o,s.shape)[0],u=T.prepareSplitSize(s,a,i),c=s.shape.length,l=new Array(c).fill(0),p=s.shape.slice();return u.map(d=>{let h=[...p];h[i]=d;let f=_l({inputs:{x:s},backend:n,attrs:{begin:l,size:h}});return l[i]+=d,f})}var mue={kernelName:nl,backendName:"webgl",kernelFunc:fue},j1="return sqrt(x);",gue=Ze({opSnippet:j1,packedOpSnippet:j1,cpuKernelImpl:VQ}),bue={kernelName:zi,backendName:"webgl",kernelFunc:gue},yue="return x * x;",vue=Ze({opSnippet:yue}),xue={kernelName:Qd,backendName:"webgl",kernelFunc:vue},q1="return (a - b) * (a - b);",wue=mn({opSnippet:q1,packedOpSnippet:q1}),Iue={kernelName:Ui,backendName:"webgl",kernelFunc:wue};function kue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t;if(s.dtype!=="string")throw new Error("Input must be of datatype string");let a=n.readSync(s.dataId),o=T.fromUint8ToStringArray(a),i=UQ(o,"string",r);return n.makeTensorInfo(s.shape,"string",i)}var Sue={kernelName:ep,backendName:"webgl",kernelFunc:kue};function Cue({inputs:e,attrs:t,backend:n}){let{x:r}=e,s=Or+ `
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return x > 0.0 ? 1.0 : float ( $ { t . alpha } ) ;
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` ,a=new is(r.shape,s);return n.runWebGLProgram(a,[r],r.dtype)}var Tue={kernelName:Na,backendName:"webgl",kernelFunc:Cue},Nue=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=n;let r=n.length,s=ht(n.length),a=ht(n.length),o="";if(r===1)o="coords * strides + begin";else{let i=0;o=n.map((u,c)=>(i++,n.length===1? ` coords * strides [ $ { c } ] + begin [ $ { c } ] ` : ` coords [ $ { i - 1 } ] * strides [ $ { c } ] + begin [ $ { c } ] ` )).join(",")}this.userCode= `
$ { s } begin = $ { s } ( $ { e } ) ;
$ { s } strides = $ { s } ( $ { t } ) ;
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void main ( ) {
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$ { a } coords = getOutputCoords ( ) ;
setOutput ( getX ( $ { o } ) ) ;
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}
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` }};function _ue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{begin:a,end:o,strides:i,beginMask:u,endMask:c,ellipsisMask:l,newAxisMask:p,shrinkAxisMask:d}=r,{finalShapeSparse:h,finalShape:f,isIdentity:g,sliceDim0:m,isSimpleSlice:b,begin:y,end:v,strides:x}=Kt.sliceInfo(s.shape,a,o,i,u,c,l,p,d),k;if(g)k=pe({inputs:{x:s},backend:n,attrs:{shape:f}});else if(m||b){w.assert(s.shape.length>=1,()=> ` Input must have rank at least 1 , got : $ { s . shape . length } ` );let N=Kt.computeOutShape(y,v,x),E=_l({inputs:{x:s},backend:n,attrs:{begin:y,size:N}});k=pe({inputs:{x:E},backend:n,attrs:{shape:f}}),n.disposeIntermediateTensorInfo(E)}else if(n.shouldExecuteOnCPU([s])){let E=n.readSync(s.dataId), $ =Me(s.shape,s.dtype,E),F=GQ(h, $ ,x,y);k=n.makeTensorInfo(f,s.dtype,F.values)}else{let E=new Nue(y,x,h);k=n.runWebGLProgram(E,[s],s.dtype)}let S=pe({inputs:{x:k},backend:n,attrs:{shape:f}});return n.disposeIntermediateTensorInfo(k),S}var Eue={kernelName:al,backendName:"webgl",kernelFunc:_ue};function Aue(e){let{inputs:t,backend:n,attrs:r}=e,{separator:s,nGramWidths:a,leftPad:o,rightPad:i,padWidth:u,preserveShortSequences:c}=r,{data:l,dataSplits:p}=t,d=n.readSync(l.dataId),h=n.readSync(p.dataId),[f,g]=HQ(d,h,s,a,o,i,u,c);return[n.makeTensorInfo([f.length],"string",f),n.makeTensorInfo(p.shape,"int32",g)]}var Due={kernelName:tp,backendName:"webgl",kernelFunc:Aue};function $ ue(e){let{inputs:t,backend:n,attrs:r}=e,{skipEmpty:s}=r,{input:a,delimiter:o}=t;if(a.dtype!=="string")throw new Error("Input must be of datatype string");if(a.shape.length!==1)throw new Error( ` Input must be a vector , got shape : $ { a . shape } ` );if(o.shape.length!==0)throw new Error( ` Delimiter must be a scalar , got shape : $ { o . shape } ` );let i=n.readSync(a.dataId),u=n.readSync(o.dataId)[0],[c,l,p]=jQ(i,u,s),d=l.length;return[n.makeTensorInfo([d,2],"int32",c),n.makeTensorInfo([d],"string",l),n.makeTensorInfo([2],"int32",new Int32Array(p))]}var Fue={kernelName:np,backendName:"webgl",kernelFunc: $ ue};function Rue(e){let{inputs:t,backend:n,attrs:r}=e,{numBuckets:s}=r,{input:a}=t;if(a.dtype!=="string")throw new Error("Input must be of datatype string");if(s<=0)throw new Error("Number of buckets must be at least 1");let o=n.readSync(a.dataId),i=qQ(o,s);return n.makeTensorInfo(a.shape,"int32",i)}var Pue={kernelName:rp,backendName:"webgl",kernelFunc:Rue},Oue="return tan(x);",Mue=Ze({opSnippet:Oue}),Lue={kernelName:Hi,backendName:"webgl",kernelFunc:Mue},Bue= `
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float e2x = exp ( - 2.0 * abs ( x ) ) ;
return sign ( x ) * ( 1.0 - e2x ) / ( 1.0 + e2x ) ;
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` ,zue=Ze({opSnippet:Bue}),Wue={kernelName:ji,backendName:"webgl",kernelFunc:zue};function Vue(e){let{inputs:t,backend:n,attrs:r}=e,{tensor:s,indices:a,updates:o}=t,{}=r,{sliceRank:i,numUpdates:u,sliceSize:c,strides:l,outputSize:p}=T.calculateShapes(o,a,s.shape),d=[p/c,c];if(p===0)return n.makeTensorInfo(s.shape,a.dtype);let h=pe({inputs:{x:a},backend:n,attrs:{shape:[u,i]}}),f=pe({inputs:{x:o},backend:n,attrs:{shape:[u,c]}}),g=pe({inputs:{x:s},backend:n,attrs:{shape:d}}),m=new x0(u,i,h.shape.length,f.shape.length,l,d,!1,!0),b=n.runWebGLProgram(m,[f,h,g],g.dtype),y=pe({inputs:{x:b},backend:n,attrs:{shape:s.shape}});return n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(g),n.disposeIntermediateTensorInfo(b),y}var Uue={kernelName:Zc,backendName:"webgl",kernelFunc:Vue},Gue=class{constructor(e,t){this.variableNames=["A"];let n=new Array(e.length);for(let a=0;a<n.length;a++)n[a]=e[a]*t[a];this.outputShape=n,this.rank=n.length;let r=ht(this.rank),s=Hue(e);this.userCode= `
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void main ( ) {
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$ { r } resRC = getOutputCoords ( ) ;
setOutput ( getA ( $ { s } ) ) ;
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}
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` }};function Hue(e){let t=e.length;if(t>5)throw Error( ` Tile for rank $ { t } is not yet supported ` );if(t===1)return ` imod ( resRC , $ { e [ 0 ] } ) ` ;let n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],r=[];for(let s=0;s<e.length;s++)r.push( ` imod ( $ { n [ s ] } , $ { e [ s ] } ) ` );return r.join()}function ED(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{reps:a}=r;if(s.dtype==="string"||s.shape.length>5){let u=n.readSync(s.dataId),c=s.dtype==="string"?u.map(d=>w.decodeString(d)):u,l=Me(s.shape,s.dtype,c),p=XQ(l,a);return n.makeTensorInfo(p.shape,p.dtype,p.values)}let o=new Gue(s.shape,a);return n.runWebGLProgram(o,[s],s.dtype)}var jue={kernelName:Ta,backendName:"webgl",kernelFunc:ED},que=class{constructor(e){this.variableNames=["x","indices"],this.customUniforms=[{name:"n",type:"int"},{name:"firstPass",type:"int"},{name:"negativeInf",type:"float"},{name:"dir",type:"int"},{name:"inc",type:"int"}],this.outputShape=e,this.userCode= `
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void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
int elemIdx = coords [ 1 ] ;
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// We compare elements pair-wise within a group of size 2 * inc.
// The comparing rule for each group alternates between ascending
// and descending. Within each group, we compare each pair at
// positions i and i+inc. To decide whether an element at position i
// is x0 or x1, we mod it by 2 * inc, if the result is smaller than
// inc, it is in the first half of the group, we denote it as x0,
// otherwise we denote it as x1.
// For example, as shown in the Bitonic top K paper referenced above,
// Figure5(a) shows that element[1] is in the
// second half of the group when group size is 2, but it is in the
// first half of the group when group size is 4.
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bool isFirstInPair = imod ( elemIdx , 2 * inc ) < inc ;
int i = isFirstInPair ? elemIdx : elemIdx - inc ;
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int i0 = firstPass == 1 ? i : int ( getIndices ( batch , i ) ) ;
int i1 = firstPass == 1 ? i + inc : int ( getIndices ( batch , i + inc ) ) ;
float x0 = i0 < n ? getX ( batch , i0 ) : negativeInf ;
float x1 = i1 < n ? getX ( batch , i1 ) : negativeInf ;
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// Denotes which direction indices are in (ascending or descending).
bool reverse = imod ( elemIdx , 2 * dir ) >= dir ;
bool isGreater = x0 > x1 || ( x0 == x1 && i1 > i0 ) ;
if ( reverse == isGreater ) { // Elements in opposite order of direction
int iTemp = i0 ;
i0 = i1 ;
i1 = iTemp ;
}
if ( isFirstInPair ) {
setOutput ( float ( i0 ) ) ;
} else {
setOutput ( float ( i1 ) ) ;
}
}
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` }},Kue=class{constructor(e){this.variableNames=["x","indices"],this.customUniforms=[{name:"n",type:"int"},{name:"firstPass",type:"int"},{name:"k",type:"int"}],this.outputShape=e,this.userCode= `
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void main ( ) {
// Takes max of indices (0, k), (1, k + 1), (2, k + 2) ...
ivec2 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
int elemIdx = coords [ 1 ] ;
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// The output size is half of the previous size.
// If the previous sequence is | | | | _ _ _ _ | | | | _ _ _ _ (k=4),
// we only need to output the indices at positions |, the indices at
// positions _ can be thrown away, see Figure5(b) After Phase 2
// (Merge phase) in the Bitonic Top K paper referenced above.
// For example, the paper shows we only need to output the orange bars.
// The output sequence should look like this | | | | | | | |.
// Because the sequence is halved, to map the output index back
// to the previous sequence to find the corresponding value,
// we need to double the index. When we double the index,
// we basically interpolate a position, so 2i looks like
// | _ | _ | _ | _ | _ | _ | _. We move the | to the first k position
// of each 2k positions by - elemIdx % k. E.g. for output at
// index 4,5,6,7, we want to get the corresponding element at
// original index 8,9,10,11, for output at index 8,9,10,11,
// we want to get the corresponding element at original index
// 16,17,18,19, so on and so forth.
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int i = elemIdx < k ? elemIdx : ( elemIdx * 2 - imod ( elemIdx , k ) ) ;
int i0 = firstPass == 1 ? i : int ( getIndices ( batch , i ) ) ;
int i1 = firstPass == 1 ? i + k : int ( getIndices ( batch , i + k ) ) ;
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float x0 = getX ( batch , i0 ) ;
float x1 = i1 < n ? getX ( batch , i1 ) : x0 ;
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setOutput ( x0 >= x1 ? float ( i0 ) : float ( i1 ) ) ;
}
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` }};function Xa(e,t){t!==null&&e.disposeIntermediateTensorInfo(t)}function K1(e){let t=1;for(;t<e;)t*=2;return t}function Xue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{k:a,sorted:o}=r,i=G().getNumber("TOPK_LAST_DIM_CPU_HANDOFF_SIZE_THRESHOLD"),u=G().getNumber("TOPK_K_CPU_HANDOFF_THRESHOLD"),c=s.shape,l=c[c.length-1];if(n.shouldExecuteOnCPU([s])||l<i||a>u){let F=n.readSync(s.dataId),[D,R]=YQ(F,c,s.dtype,a,o);return[n.makeTensorInfo(D.shape,D.dtype,D.values),n.makeTensorInfo(R.shape,R.dtype,R.values)]}if(a===0)return c[c.length-1]=0,[n.makeTensorInfo(c,s.dtype,[]),n.makeTensorInfo(c,"int32",[])];if(l===1)return[s,Lp({attrs:{shape:c,dtype:"int32",value:0},backend:n})];let p=n.texData.get(s.dataId),d=p!==null&&p.isPacked,h=d?n.unpackTensor(s):s,g=w.sizeFromShape(c)/l,m=pe({inputs:{x:h},attrs:{shape:[g,l]},backend:n});d&&Xa(n,h);let b=K1(a),y=K1(l),v=null,x=()=>v===null?[m,m]:[m,v],k=(F,D,R)=>{let C=x(),L=new que(R),H=[[l],[v===null?1:0],[Number.NEGATIVE_INFINITY],[F],[D]],K=v;v=n.runWebGLProgram(L,C,"int32",H),Xa(n,K)};for(let F=1;F<b;F*=2){let D=F*2;for(let R=F;R>=1;R/=2)k(D,R,[g,y])}for(let F=y;F>b;F/=2){let D=x(),R=new Kue([g,F/2]),L=[[l],[v===null?1:0],[b]],U=v;v=n.runWebGLProgram(R,D,"int32",L),Xa(n,U);let H=b/2,K=H*2;for(let q=H;q>=1;q/=2)k(K,q,v.shape)}let S=v;v=_l({inputs:{x:v},backend:n,attrs:{begin:0,size:[g,a]}}),Xa(n,S);let N=wD({inputs:{x:m,indices:v},backend:n,attrs:{axis:1,batchDims:1}});Xa(n,m);let E=c.slice(0,-1);E.push(a),S=v,v=pe({inputs:{x:v},attrs:{shape:E},backend:n}),Xa(n,S);let $ =N;return N=pe({inputs:{x:N},attrs:{shape:E},backend:n}),Xa(n, $ ),[N,v]}var Yue={kernelName:ol,backendName:"webgl",kernelFunc:Xue},Zue=class{constructor(e,t,n,r,s,a){this.variableNames=["Image","Transforms"],this.outputShape=a;let o=n==="nearest"?1:2,i;switch(r){case"constant":i=1;break;case"reflect":i=2;break;case"wrap":i=3;break;case"nearest":i=4;break;default:i=1;break}this.userCode= `
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float mapCoord ( float outCoord , float len ) {
float inCoord = outCoord ;
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if ( $ { i } == 2 ) {
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if ( inCoord < 0.0 ) {
if ( len <= 1.0 ) {
inCoord = 0.0 ;
} else {
float sz2 = 2.0 * len ;
if ( inCoord < sz2 ) {
inCoord = sz2 * float ( int ( float ( - inCoord / sz2 ) ) ) +
inCoord ;
}
inCoord = inCoord < - len ? inCoord + sz2 : - inCoord - 1.0 ;
}
} else if ( inCoord > len - 1.0 ) {
if ( len <= 1.0 ) {
inCoord = 0.0 ;
} else {
float sz2 = 2.0 * len ;
inCoord -= sz2 * float ( int ( float ( inCoord / sz2 ) ) ) ;
if ( inCoord >= len ) {
inCoord = sz2 - inCoord - 1.0 ;
}
}
}
return clamp ( inCoord , 0.0 , len - 1.0 ) ;
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} else if ( $ { i } == 3 ) {
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if ( inCoord < 0.0 ) {
if ( len <= 1.0 ) {
inCoord = 0.0 ;
} else {
float sz = len - 1.0 ;
inCoord += len * ( float ( int ( float ( - inCoord / sz ) ) ) + 1.0 ) ;
}
} else if ( inCoord > len - 1.0 ) {
if ( len <= 1.0 ) {
inCoord = 0.0 ;
} else {
float sz = len - 1.0 ;
inCoord -= len * float ( int ( float ( inCoord / sz ) ) ) ;
}
}
return clamp ( inCoord , 0.0 , len - 1.0 ) ;
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} else if ( $ { i } == 4 ) {
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return clamp ( outCoord , 0.0 , len - 1.0 ) ;
} else {
return outCoord ;
}
}
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float readWithFillValue ( int batch , int coordY , int coordX ,
int channel ) {
float outputValue ;
if ( 0 <= coordY && coordY < $ { e } && 0 <= coordX && coordX < $ { t } ) {
outputValue = getImage ( batch , coordY , coordX , channel ) ;
} else {
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outputValue = float ( $ { s } ) ;
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}
return outputValue ;
}
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void main ( ) {
ivec4 coords = getOutputCoords ( ) ;
float outputValue ;
int batch = coords [ 0 ] ;
int x = coords [ 2 ] ;
int y = coords [ 1 ] ;
int channel = coords [ 3 ] ;
float xf = float ( x ) ;
float yf = float ( y ) ;
float a1 = getTransforms ( batch , 0 ) ;
float a2 = getTransforms ( batch , 1 ) ;
float a3 = getTransforms ( batch , 2 ) ;
float b1 = getTransforms ( batch , 3 ) ;
float b2 = getTransforms ( batch , 4 ) ;
float b3 = getTransforms ( batch , 5 ) ;
float c1 = getTransforms ( batch , 6 ) ;
float c2 = getTransforms ( batch , 7 ) ;
float projection = c1 * xf + c2 * yf + 1.0 ;
if ( projection == 0.0 ) {
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outputValue = float ( $ { s } ) ;
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} else {
float inX = ( a1 * xf + a2 * yf + a3 ) / projection ;
float inY = ( b1 * xf + b2 * yf + b3 ) / projection ;
float mapX = mapCoord ( inX , float ( $ { t } ) ) ;
float mapY = mapCoord ( inY , float ( $ { e } ) ) ;
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if ( $ { o } == 1 ) {
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int coordY = int ( round ( mapY ) ) ;
int coordX = int ( round ( mapX ) ) ;
outputValue = readWithFillValue ( batch , coordY , coordX ,
channel ) ;
} else {
float yFloor = floor ( mapY ) ;
float xFloor = floor ( mapX ) ;
float yCeil = yFloor + 1.0 ;
float xCeil = xFloor + 1.0 ;
float valueYFloor = ( xCeil - mapX ) *
readWithFillValue ( batch , int ( yFloor ) , int ( xFloor ) , channel ) +
( mapX - xFloor ) *
readWithFillValue ( batch , int ( yFloor ) , int ( xCeil ) , channel ) ;
float valueYCeil = ( xCeil - mapX ) *
readWithFillValue ( batch , int ( yCeil ) , int ( xFloor ) , channel ) +
( mapX - xFloor ) *
readWithFillValue ( batch , int ( yCeil ) , int ( xCeil ) , channel ) ;
outputValue = ( yCeil - mapY ) * valueYFloor +
( mapY - yFloor ) * valueYCeil ;
}
}
setOutput ( outputValue ) ;
}
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` }};function Jue(e){let{inputs:t,backend:n,attrs:r}=e,{image:s,transforms:a}=t,{interpolation:o,fillMode:i,fillValue:u,outputShape:c}=r,[l,p,d,h]=s.shape,[f,g]=c!=null?c:[p,d],m=[l,f,g,h],b=new Zue(p,d,o,i,u,m);return n.runWebGLProgram(b,[s,a],"float32")}var Que={kernelName:il,backendName:"webgl",kernelFunc:Jue};function ece(e){let{inputs:t,attrs:n,backend:r}=e,{axis:s}=n,{x:a}=t;wl(a,"unique"),console.warn("WARNING: ","UI might be locked temporarily as data is being downloaded");let o=r.readSync(a.dataId),{outputValues:i,outputShape:u,indices:c}=ZQ(o,s,a.shape,a.dtype);return[r.makeTensorInfo(u,a.dtype,i),r.makeTensorInfo([c.length],"int32",c)]}var tce={kernelName:sp,backendName:"webgl",kernelFunc:ece};function nce(e){let{inputs:t,backend:n,attrs:r}=e,{value:s}=t,{axis:a}=r;a<0&&(a+=s.shape.length);let o=s,i=o.shape.length,u=s.shape[a],c=new Array(i-1),l=0;for(let g=0;g<i;g++)g!==a&&(c[l++]=o.shape[g]);let p=[],d=new Array(i).fill(0),h=o.shape.slice();h[a]=1;let f=new Array(u);for(let g=0;g<f.length;g++){d[a]=g;let m=_l({inputs:{x:o},backend:n,attrs:{begin:d,size:h}}),b=pe({inputs:{x:m},backend:n,attrs:{shape:c}});f[g]=b,p.push(m)}return p.forEach(g=>n.disposeIntermediateTensorInfo(g)),f}var rce={kernelName:ul,backendName:"webgl",kernelFunc:nce},sce=class{constructor(e,t){this.variableNames=["x","segmentIds"];let n=e.windowSize,r=e.batchSize,s=e.inSize,a=e.numSegments,o=a*Math.ceil(s/n);this.outputShape=[r,o];let i="0.0",u="sumValue",c=Math.floor(n/4)*4,l=n%4,p= `
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sumValue += dot ( values , segFilter ) ;
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` ,d="";s%n>0&&(d= `
if ( inIdx < 0 || inIdx >= $ { s } ) {
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return initializationValue ;
}
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` );let h="";s%n>0&&(h= `
if ( inIdx < 0 || inIdx >= $ { s } ) {
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return - 1.0 ;
}
` ),this.userCode= `
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const float initializationValue = $ { i } ;
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float getValue ( int batch , int inIdx ) {
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$ { d }
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return getX ( batch , inIdx ) ;
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}
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float getSegmentIdAtIndex ( int inIdx ) {
$ { h }
return getSegmentIds ( inIdx ) ;
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}
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void main ( ) {
ivec2 coords = getOutputCoords ( ) ;
int batch = coords [ 0 ] ;
int outIdx = coords [ 1 ] ;
int inOffset = int ( floor ( float ( outIdx ) / float (
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$ { a } ) ) * float ( $ { n } ) ) ;
int currentSeg = int ( mod ( float ( outIdx ) , float ( $ { a } ) ) ) ;
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float sumValue = 0.0 ;
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for ( int i = 0 ; i < $ { c } ; i += 4 ) {
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int inIdx = inOffset + i ;
vec4 values = vec4 (
getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) ,
getValue ( batch , inIdx + 2 ) ,
getValue ( batch , inIdx + 3 )
) ;
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vec4 segFilter = vec4 (
int ( getSegmentIdAtIndex ( inIdx ) ) == currentSeg ? 1 : 0 ,
int ( getSegmentIdAtIndex ( inIdx + 1 ) ) == currentSeg ? 1 : 0 ,
int ( getSegmentIdAtIndex ( inIdx + 2 ) ) == currentSeg ? 1 : 0 ,
int ( getSegmentIdAtIndex ( inIdx + 3 ) ) == currentSeg ? 1 : 0
) ;
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$ { p }
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}
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int inIdx = inOffset + $ { c } ;
if ( $ { l === 1 } ) {
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vec4 values = vec4 (
getValue ( batch , inIdx ) ,
initializationValue ,
initializationValue ,
initializationValue
) ;
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int inIdxSeg = int ( getSegmentIdAtIndex ( inIdx ) ) ;
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vec4 segFilter = vec4 (
int ( getSegmentIdAtIndex ( inIdx ) ) == currentSeg ? 1 : 0 ,
0 ,
0 ,
0
) ;
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$ { p }
} else if ( $ { l === 2 } ) {
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vec4 values = vec4 (
getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) ,
initializationValue ,
initializationValue
) ;
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vec4 segFilter = vec4 (
int ( getSegmentIdAtIndex ( inIdx ) ) == currentSeg ? 1 : 0 ,
int ( getSegmentIdAtIndex ( inIdx + 1 ) ) == currentSeg ? 1 : 0 ,
0 ,
0
) ;
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$ { p }
} else if ( $ { l === 3 } ) {
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vec4 values = vec4 (
getValue ( batch , inIdx ) ,
getValue ( batch , inIdx + 1 ) ,
getValue ( batch , inIdx + 2 ) ,
initializationValue
) ;
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vec4 segFilter = vec4 (
int ( getSegmentIdAtIndex ( inIdx ) ) == currentSeg ? 1 : 0 ,
int ( getSegmentIdAtIndex ( inIdx + 1 ) ) == currentSeg ? 1 : 0 ,
int ( getSegmentIdAtIndex ( inIdx + 2 ) ) == currentSeg ? 1 : 0 ,
0
) ;
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$ { p }
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}
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setOutput ( $ { u } ) ;
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}
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` }};function ace(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,segmentIds:a}=t,{numSegments:o}=r,i=s.shape.length,u=[],c=0,l=T.getAxesPermutation([c],i),p=s;l!=null&&(p=Tn({inputs:{x:s},backend:n,attrs:{perm:l}}),u.push(p),c=T.getInnerMostAxes(1,i)[0]);let d=T.segment_util.computeOutShape(p.shape,c,o),h=w.sizeFromShape([p.shape[c]]),f=pe({inputs:{x:p},backend:n,attrs:{shape:[-1,h]}});u.push(f);let g=Zf(s.dtype),m=(x,k,S,N,E)=>{let $ =x.shape[0],F=x.shape[1],D=T.segment_util.segOpComputeOptimalWindowSize(F,E),R={windowSize:D,inSize:F,batchSize: $ ,numSegments:E},C=new sce(R,k),L=n.compileAndRun(C,[x,S],N);if(u.push(L),L.shape[1]===E)return L;let U=_D({backend:n,attrs:{start:0,stop:E,step:1,dtype:"float32"}}),H=ED({inputs:{x:U},backend:n,attrs:{reps:[F/D]}});return u.push(U),u.push(H),m(L,k,H,N,E)},b=m(f,"unsortedSegmentSum",a,g,o),y=pe({inputs:{x:b},backend:n,attrs:{shape:d}}),v=y;if(l!=null){u.push(y);let x=T.getUndoAxesPermutation(l);v=Tn({inputs:{x:v},backend:n,attrs:{perm:x}})}return u.forEach(x=>n.disposeIntermediateTensorInfo(x)),v}var oce={kernelName:ap,backendName:"webgl",kernelFunc:ace},ice=[Gee,jee,Xee,Jee,ete,rte,ate,ite,dte,hte,gte,vte,Ite,Tte,Ete,Dte,Fte,Mte,Bte,Wte,Hte,Jte,ene,sne,one,pne,fne,yne,Nee,wne,Tne,Ane,One,Bne,Wne,Une,Hne,Xne,Jne,tre,rre,are,ire,lre,pre,gre,yre,wre,Sre,Tre,Are,Rre,Lre,Wre,Gre,Hre,qre,Xre,Zre,Qre,tse,ase,use,dse,hse,gse,vse,kse,Nse,Tee,Ese,Sne, $ se,Pse,Lse,Eee,Vse,jse,Kse,Jse,tae,aae,uae,pae,gae,vae,wae,Cae,Nae,Eae,Fae,Pae,Mae,Bae,Wae,Hae,Xae,Qae,ioe, $ ee,doe,foe,boe,xoe,une,koe,Coe,Noe,Aoe,Roe,Dee,Ooe,Loe,zoe,Voe,Uoe,cne,roe,joe,Yoe,eie,Ree,sie,iie,die,fie,yie,xie,kie,Tie,Eie, $ ie,Pie,Lie,Vie,Hie,Xie,Jie,Yte,aoe,tue,rue,aue,iue,cue,due,hue,mue,bue,xue,Iue,Sue,Tue,Eue,Due,Fue,Pue,soe,Wee,Lue,Wue,Uue,jue,Yue,Que,Vee,tce,rce,oce,Soe];for(let e of ice)op(e);var et;(function(e){e[e.float32=0]="float32",e[e.int32=1]="int32",e[e.bool=2]="bool",e[e.string=3]="string",e[e.complex64=4]="complex64"})(et||(et={}));var Od;(function(e){e[e.linear=0]="linear",e[e.relu=1]="relu",e[e.relu6=2]="relu6",e[e.prelu=3]="prelu",e[e.leakyrelu=4]="leakyrelu",e[e.sigmoid=5]="sigmoid",e[e.elu=6]="elu"})(Od||(Od={}));var AD;function uce(e){AD=e.wasm.cwrap(uo,null,["number","array","number","number","array","number","number","number","number","number","number","number","number"])}function cce(e){let{inputs:t,backend:n,attrs:r}=e,{a:s,b:a,bias:o,preluActivationWeights:i}=t;if(s.dtype!=="float32"||a.dtype!=="float32")throw new Error("_FusedMatMul for non non-float32 tensors not yet supported.");let{transposeA:u,transposeB:c,activation:l,leakyreluAlpha:p}=r,d=n.dataIdMap.get(s.dataId).id,h=n.dataIdMap.get(a.dataId).id,f=0;if(o!=null){let E=n.dataIdMap.get(o.dataId);if(E.shape.length!==1)throw new Error( ` _FusedMatMul only supports rank - 1 bias but got rank $ { E . shape . length } . ` );f=E.id}let g=i==null?0:n.dataIdMap.get(i.dataId).id,m=Od[l];if(m==null)throw new Error( ` $ { l } activation not yet supported for FusedConv2D in the wasm backend . ` );let b=u?s.shape[2]:s.shape[1],y=c?a.shape[1]:a.shape[2],v=dl.assertAndGetBroadcastShape(s.shape.slice(0,-2),a.shape.slice(0,-2)),x=n.makeOutput([...v,b,y],s.dtype),k=n.dataIdMap.get(x.dataId).id,S=new Uint8Array(new Int32Array(s.shape).buffer),N=new Uint8Array(new Int32Array(a.shape).buffer);return AD(d,S,s.shape.length,h,N,a.shape.length,u,c,m,f,g,p||0,k),x}var lce={kernelName:uo,backendName:"wasm",setupFunc:uce,kernelFunc:cce};function Xe(e,t){let n;function r(a){n=a.wasm.cwrap(e,null,["number","number","number"])}function s(a){let{backend:o,inputs:{x:i}}=a,u=o.dataIdMap.get(i.dataId).id,c=o.makeOutput(i.shape,t||i.dtype),l=o.dataIdMap.get(c.dataId).id;return w.sizeFromShape(c.shape)===0||n(u,et[i.dtype],l),c}return{kernelName:e,backendName:"wasm",setupFunc:r,kernelFunc:s}}var dce=Xe(cc),pce=Xe(Eo),hce=Xe(Ao);function Ut(e,t,n){let r;function s(o){r=o.wasm.cwrap(e,null,["number","array","number","number","array","number","number","number"])}function a(o){let{backend:i,inputs:u}=o,{a:c,b:l}=u,p=i.dataIdMap.get(c.dataId).id,d=i.dataIdMap.get(l.dataId).id,h=n!=null?n:c.dtype,f=T.assertAndGet
$ { r . shape } ` );if(s.shape.length!==1)throw new Error( ` Input shape should be a vector but received shape
$ { s . shape } ` );if(a.shape.length!==1)throw new Error( ` Target shape should be a vector but received shape $ { a . shape } ` );let o=t.dataIdMap.get(r.dataId).id,i=t.dataIdMap.get(s.dataId).id,u=t.dataIdMap.get(a.dataId).id,c=r.shape[0],l=w.sizeFromShape(a.shape),p=t.makeOutput([c,l],r.dtype),d=t.dataIdMap.get(p.dataId).id,h=t.makeOutput([l],a.dtype),f=t.dataIdMap.get(h.dataId).id,g=t.makeOutput([3],"int32"),m=t.dataIdMap.get(g.dataId).id;K $ (o,i,u,c,d,f,m);let b=t.readSync(g.dataId),y;switch(b[0]){case 0:{y=T.getSparseReshapeMultipleNegativeOneOutputDimErrorMessage(b[1],b[2]);break}case 1:{y=T.getSparseReshapeNegativeOutputDimErrorMessage(b[1],b[2]);break}case 2:y=T.getSparseReshapeEmptyTensorZeroOutputDimErrorMessage();break;case 3:{let v=Array.from(t.readSync(s.dataId)),x=Array.from(t.readSync(h.dataId));y=T.getSparseReshapeInputOutputMultipleErrorMessage(v,x);break}case 4:{let v=Array.from(t.readSync(s.dataId)),x=Array.from(t.readSync(h.dataId));y=T.getSparseReshapeInputOutputMismatchErrorMessage(v,x);break}default:y=""}if(t.disposeData(g.dataId),y)throw t.disposeData(p.dataId),t.disposeData(h.dataId),new Error(y);return[p,h]}var $ fe={kernelName:rl,backendName:"wasm",setupFunc:Afe,kernelFunc:Dfe},X $ ;function Y $ (e){X $ =e.wasm.cwrap("SparseSegmentReduction",null,["number","number","number","number","number","number","number","number","number"])}function Z $ (e,t){let{backend:n,inputs:r}=e,{data:s,indices:a,segmentIds:o}=r,i=a.shape[0],u=n.readSync(o.dataId,i-1,i)[0],l=i>0?u+1:0;if(l<0)throw new Error(T.getSparseSegmentReductionNegativeSegmentIdsErrorMessage());let p=s.shape.slice();p[0]=l;let d=n.dataIdMap.get(s.dataId).id,h=n.dataIdMap.get(a.dataId).id,f=n.dataIdMap.get(o.dataId).id,g=n.makeOutput(p,s.dtype),m=n.dataIdMap.get(g.dataId).id,b=n.makeOutput([4],"int32"),y=n.dataIdMap.get(b.dataId).id;X $ (d,et[s.dtype],s.shape[0],h,f,m,y,t,0);let v=n.readSync(b.dataId),x;switch(v[0]){case 0:{x=T.getSparseSegmentReductionNegativeSegmentIdsErrorMessage();break}case 1:{x=T.getSparseSegmentReductionNonIncreasingSegmentIdsErrorMessage();break}case 2:x=T.getSparseSegmentReductionSegmentIdOutOfRangeErrorMessage(v[1],v[2]);break;case 3:x=T.getSparseSegmentReductionIndicesOutOfRangeErrorMessage(v[1],v[2],v[3]);break;default:x=""}if(n.disposeData(b.dataId),x)throw n.disposeData(g.dataId),new Error(x);return g}function Ffe(e){return Z $ (e,!0)}var Rfe={kernelName:Zd,backendName:"wasm",setupFunc:Y $ ,kernelFunc:Ffe};function Pfe(e){return Z $ (e,!1)}var Ofe={kernelName:Jd,backendName:"wasm",setupFunc:Y $ ,kernelFunc:Pfe},J $ ;function Mfe(e){J $ =e.wasm.cwrap(sl,null,["number","number","number","number","number","number","number","number","array","number","number"])}function Lfe(e){let{backend:t,inputs:n,attrs:r}=e,{sparseIndices:s,sparseValues:a,defaultValue:o}=n,{outputShape:i}=r,u=t.makeOutput(i,o.dtype);if(w.sizeFromShape(i)===0)return u;let{sliceRank:c,numUpdates:l,sliceSize:p,strides:d,outputSize:h}=T.calculateShapes(a,s,i),f=t.dataIdMap.get(s.dataId).id,g=t.dataIdMap.get(a.dataId).id,m=t.dataIdMap.get(o.dataId).id,b=new Uint8Array(new Int32Array(d).buffer),y=t.dataIdMap.get(u.dataId).id;return J $ (f,g,a.shape.length,m,et[o.dtype],c,l,p,b,h,y),u}var Bfe={kernelName:sl,backendName:"wasm",setupFunc:Mfe,kernelFunc:Lfe};function zfe(e){let{inputs:t,attrs:n,backend:r}=e,{x:s}=t,{numOrSizeSplits:a,axis:o}=n,i=w.parseAxisParam(o,s.shape)[0],u=T.prepareSplitSize(s,a,i),c=new Array(s.shape.length).fill(0),l=s.shape.slice();return u.map(p=>{let d=[...l];d[i]=p;let h=No({inputs:{x:s},attrs:{begin:c,size:d},backend:r});return c[i]+=p,h})}var Wfe={kernelName:nl,backendName:"wasm",kernelFunc:zfe},Vfe=Xe(zi),Ufe=Xe(Qd),Gfe=!0,Hfe=Ut(Ui,Gfe),Q $ ;function jfe(e){Q $ =e.wasm.cwrap(Na,null,["number","number","number","number"])}function qfe(e){let{backend:t,inputs:n,attrs:r}=e,{alpha:s}=r,{x:a}=n,o=t.dataIdMap.get(a.dataId).id,i=t.makeOutput(a.shape,a.dtype),u=t.dataIdMap.get(i.dataId).id;return Q $ (o,s,et[a.dtype],u),i}var Kfe={kernelName:Na,backendName:"wasm",setupFunc:jfe,kernelFunc:qfe},eF;function Xfe(e){eF=e.wasm.cwrap(al,null,["number","array","number","array","ar