30:T1182,simplifyLine = function(V, tolerance) { // from https://gist.github.com/adammiller/826148 // V ... [[x1,y1],[x2,y2],...] polyline // tol ... approximation tolerance // ============================================== // Copyright 2002, softSurfer (www.softsurfer.com) // This code may be freely used and modified for any purpose // providing that this copyright notice is included with it. // SoftSurfer makes no warranty for this code, and cannot be held // liable for any real or imagined damage resulting from its use. // Users of this code must verify correctness for their application. // http://softsurfer.com/Archive/algorithm_0205/algorithm_0205.htm var tol=2.0; if (typeof(tolerance) === "number") { tol = tolerance; } var sum = function(u,v) {return [u[0]+v[0], u[1]+v[1]];} var diff = function(u,v) {return [u[0]-v[0], u[1]-v[1]];} var prod = function(u,v) {return [u[0]*v[0], u[1]*v[1]];} var dot = function(u,v) {return u[0]*v[0] + u[1]*v[1];} var norm2 = function(v) {return v[0]*v[0] + v[1]*v[1];} var norm = function(v) {return Math.sqrt(norm2(v));} var d2 = function(u,v) {return norm2(diff(u,v));} var d = function(u,v) {return norm(diff(u,v));} var simplifyDP = function( tol, v, j, k, mk ) { // This is the Douglas-Peucker recursive simplification routine // It just marks vertices that are part of the simplified polyline // for approximating the polyline subchain v[j] to v[k]. // mk[] ... array of markers matching vertex array v[] if (k <= j+1) { // there is nothing to simplify return; } // check for adequate approximation by segment S from v[j] to v[k] var maxi = j; // index of vertex farthest from S var maxd2 = 0; // distance squared of farthest vertex var tol2 = tol * tol; // tolerance squared var S = [v[j], v[k]]; // segment from v[j] to v[k] var u = diff(S[1], S[0]); // segment direction vector var cu = norm2(u,u); // segment length squared // test each vertex v[i] for max distance from S // compute using the Feb 2001 Algorithm's dist_Point_to_Segment() // Note: this works in any dimension (2D, 3D, ...) var w; // vector var Pb; // point, base of perpendicular from v[i] to S var b, cw, dv2; // dv2 = distance v[i] to S squared for (var i=j+1; i tol2) { // error is worse than the tolerance // split the polyline at the farthest vertex from S mk[maxi] = 1; // mark v[maxi] for the simplified polyline // recursively simplify the two subpolylines at v[maxi] simplifyDP( tol, v, j, maxi, mk ); // polyline v[j] to v[maxi] simplifyDP( tol, v, maxi, k, mk ); // polyline v[maxi] to v[k] } // else the approximation is OK, so ignore intermediate vertices return; } var n = V.length; var sV = []; var i, k, m, pv; // misc counters var tol2 = tol * tol; // tolerance squared var vt = []; // vertex buffer, points var mk = []; // marker buffer, ints // STAGE 1. 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index=-1,length=array.length,resIndex=0,result=[];while(++index-1}function listCacheSet(key,value){var data=this.__data__,index=assocIndexOf(data,key);if(index<0){++this.size;data.push([key,value])}else{data[index][1]=value}return this}ListCache.prototype.clear=listCacheClear;ListCache.prototype["delete"]=listCacheDelete;ListCache.prototype.get=listCacheGet;ListCache.prototype.has=listCacheHas;ListCache.prototype.set=listCacheSet;function MapCache(entries){var index=-1,length=entries==null?0:entries.length;this.clear();while(++index=lower?number:lower}}return number}function baseClone(value,bitmask,customizer,key,object,stack){var result,isDeep=bitmask&CLONE_DEEP_FLAG,isFlat=bitmask&CLONE_FLAT_FLAG,isFull=bitmask&CLONE_SYMBOLS_FLAG;if(customizer){result=object?customizer(value,key,object,stack):customizer(value)}if(result!==undefined){return result}if(!isObject(value)){return value}var isArr=isArray(value);if(isArr){result=initCloneArray(value);if(!isDeep){return 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SetCache}else{seen=iteratee?[]:result}outer:while(++index=length?array:baseSlice(array,start,end)}var clearTimeout=ctxClearTimeout||function(id){return root.clearTimeout(id)};function cloneBuffer(buffer,isDeep){if(isDeep){return buffer.slice()}var length=buffer.length,result=allocUnsafe?allocUnsafe(length):new buffer.constructor(length);buffer.copy(result);return result}function cloneArrayBuffer(arrayBuffer){var result=new arrayBuffer.constructor(arrayBuffer.byteLength);new Uint8Array(result).set(new Uint8Array(arrayBuffer));return result}function cloneDataView(dataView,isDeep){var buffer=isDeep?cloneArrayBuffer(dataView.buffer):dataView.buffer;return new dataView.constructor(buffer,dataView.byteOffset,dataView.byteLength)}function cloneMap(map,isDeep,cloneFunc){var array=isDeep?cloneFunc(mapToArray(map),CLONE_DEEP_FLAG):mapToArray(map);return arrayReduce(array,addMapEntry,new map.constructor)}function cloneRegExp(regexp){var result=new 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length=paths.length,start=length?paths[0]:0,value=this.__wrapped__,interceptor=function(object){return baseAt(object,paths)};if(length>1||this.__actions__.length||!(value instanceof LazyWrapper)||!isIndex(start)){return this.thru(interceptor)}value=value.slice(start,+start+(length?1:0));value.__actions__.push({func:thru,args:[interceptor],thisArg:undefined});return new LodashWrapper(value,this.__chain__).thru(function(array){if(length&&!array.length){array.push(undefined)}return array})});function wrapperChain(){return chain(this)}function wrapperCommit(){return new LodashWrapper(this.value(),this.__chain__)}function wrapperNext(){if(this.__values__===undefined){this.__values__=toArray(this.value())}var done=this.__index__>=this.__values__.length,value=done?undefined:this.__values__[this.__index__++];return{done:done,value:value}}function wrapperToIterator(){return this}function wrapperPlant(value){var result,parent=this;while(parent instanceof baseLodash){var clone=wrapperClone(parent);clone.__index__=0;clone.__values__=undefined;if(result){previous.__wrapped__=clone}else{result=clone}var previous=clone;parent=parent.__wrapped__}previous.__wrapped__=value;return result}function wrapperReverse(){var value=this.__wrapped__;if(value instanceof LazyWrapper){var wrapped=value;if(this.__actions__.length){wrapped=new LazyWrapper(this)}wrapped=wrapped.reverse();wrapped.__actions__.push({func:thru,args:[reverse],thisArg:undefined});return new LodashWrapper(wrapped,this.__chain__)}return this.thru(reverse)}function wrapperValue(){return baseWrapperValue(this.__wrapped__,this.__actions__)}var countBy=createAggregator(function(result,value,key){if(hasOwnProperty.call(result,key)){++result[key]}else{baseAssignValue(result,key,1)}});function every(collection,predicate,guard){var func=isArray(collection)?arrayEvery:baseEvery;if(guard&&isIterateeCall(collection,predicate,guard)){predicate=undefined}return func(collection,getIteratee(predicate,3))}function filter(collection,predicate){var func=isArray(collection)?arrayFilter:baseFilter;return func(collection,getIteratee(predicate,3))}var find=createFind(findIndex);var findLast=createFind(findLastIndex);function flatMap(collection,iteratee){return baseFlatten(map(collection,iteratee),1)}function flatMapDeep(collection,iteratee){return baseFlatten(map(collection,iteratee),INFINITY)}function flatMapDepth(collection,iteratee,depth){depth=depth===undefined?1:toInteger(depth);return baseFlatten(map(collection,iteratee),depth)}function forEach(collection,iteratee){var func=isArray(collection)?arrayEach:baseEach;return func(collection,getIteratee(iteratee,3))}function forEachRight(collection,iteratee){var func=isArray(collection)?arrayEachRight:baseEachRight;return func(collection,getIteratee(iteratee,3))}var groupBy=createAggregator(function(result,value,key){if(hasOwnProperty.call(result,key)){result[key].push(value)}else{baseAssignValue(result,key,[value])}});function includes(collection,value,fromIndex,guard){collection=isArrayLike(collection)?collection:values(collection);fromIndex=fromIndex&&!guard?toInteger(fromIndex):0;var length=collection.length;if(fromIndex<0){fromIndex=nativeMax(length+fromIndex,0)}return isString(collection)?fromIndex<=length&&collection.indexOf(value,fromIndex)>-1:!!length&&baseIndexOf(collection,value,fromIndex)>-1}var invokeMap=baseRest(function(collection,path,args){var index=-1,isFunc=typeof path=="function",result=isArrayLike(collection)?Array(collection.length):[];baseEach(collection,function(value){result[++index]=isFunc?apply(path,value,args):baseInvoke(value,path,args)});return result});var keyBy=createAggregator(function(result,value,key){baseAssignValue(result,key,value)});function map(collection,iteratee){var func=isArray(collection)?arrayMap:baseMap;return func(collection,getIteratee(iteratee,3))}function orderBy(collection,iteratees,orders,guard){if(collection==null){return[]}if(!isArray(iteratees)){iteratees=iteratees==null?[]:[iteratees]}orders=guard?undefined:orders;if(!isArray(orders)){orders=orders==null?[]:[orders]}return baseOrderBy(collection,iteratees,orders)}var partition=createAggregator(function(result,value,key){result[key?0:1].push(value)},function(){return[[],[]]});function reduce(collection,iteratee,accumulator){var func=isArray(collection)?arrayReduce:baseReduce,initAccum=arguments.length<3;return func(collection,getIteratee(iteratee,4),accumulator,initAccum,baseEach)}function reduceRight(collection,iteratee,accumulator){var func=isArray(collection)?arrayReduceRight:baseReduce,initAccum=arguments.length<3;return func(collection,getIteratee(iteratee,4),accumulator,initAccum,baseEachRight)}function reject(collection,predicate){var func=isArray(collection)?arrayFilter:baseFilter;return func(collection,negate(getIteratee(predicate,3)))}function sample(collection){var func=isArray(collection)?arraySample:baseSample;return func(collection)}function sampleSize(collection,n,guard){if(guard?isIterateeCall(collection,n,guard):n===undefined){n=1}else{n=toInteger(n)}var func=isArray(collection)?arraySampleSize:baseSampleSize;return func(collection,n)}function shuffle(collection){var func=isArray(collection)?arrayShuffle:baseShuffle;return func(collection)}function size(collection){if(collection==null){return 0}if(isArrayLike(collection)){return isString(collection)?stringSize(collection):collection.length}var tag=getTag(collection);if(tag==mapTag||tag==setTag){return collection.size}return baseKeys(collection).length}function some(collection,predicate,guard){var func=isArray(collection)?arraySome:baseSome;if(guard&&isIterateeCall(collection,predicate,guard)){predicate=undefined}return func(collection,getIteratee(predicate,3))}var sortBy=baseRest(function(collection,iteratees){if(collection==null){return[]}var length=iteratees.length;if(length>1&&isIterateeCall(collection,iteratees[0],iteratees[1])){iteratees=[]}else if(length>2&&isIterateeCall(iteratees[0],iteratees[1],iteratees[2])){iteratees=[iteratees[0]]}return baseOrderBy(collection,baseFlatten(iteratees,1),[])});var now=ctxNow||function(){return root.Date.now()};function after(n,func){if(typeof func!="function"){throw new TypeError(FUNC_ERROR_TEXT)}n=toInteger(n);return function(){if(--n<1){return func.apply(this,arguments)}}}function ary(func,n,guard){n=guard?undefined:n;n=func&&n==null?func.length:n;return createWrap(func,WRAP_ARY_FLAG,undefined,undefined,undefined,undefined,n)}function before(n,func){var result;if(typeof func!="function"){throw new TypeError(FUNC_ERROR_TEXT)}n=toInteger(n);return function(){if(--n>0){result=func.apply(this,arguments)}if(n<=1){func=undefined}return result}}var bind=baseRest(function(func,thisArg,partials){var bitmask=WRAP_BIND_FLAG;if(partials.length){var holders=replaceHolders(partials,getHolder(bind));bitmask|=WRAP_PARTIAL_FLAG}return createWrap(func,bitmask,thisArg,partials,holders)});var bindKey=baseRest(function(object,key,partials){var bitmask=WRAP_BIND_FLAG|WRAP_BIND_KEY_FLAG;if(partials.length){var holders=replaceHolders(partials,getHolder(bindKey));bitmask|=WRAP_PARTIAL_FLAG}return createWrap(key,bitmask,object,partials,holders)});function curry(func,arity,guard){arity=guard?undefined:arity;var result=createWrap(func,WRAP_CURRY_FLAG,undefined,undefined,undefined,undefined,undefined,arity);result.placeholder=curry.placeholder;return result}function curryRight(func,arity,guard){arity=guard?undefined:arity;var result=createWrap(func,WRAP_CURRY_RIGHT_FLAG,undefined,undefined,undefined,undefined,undefined,arity);result.placeholder=curryRight.placeholder;return result}function debounce(func,wait,options){var lastArgs,lastThis,maxWait,result,timerId,lastCallTime,lastInvokeTime=0,leading=false,maxing=false,trailing=true;if(typeof 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global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],11:[function(require,module,exports){"use strict";var ops=require("ndarray-ops");var ndarray=require("ndarray");var pool=require("typedarray-pool");var fftm=require("./lib/fft-matrix.js");function ndfft(dir,x,y){var shape=x.shape,d=shape.length,size=1,stride=new Array(d),pad=0,i,j;for(i=d-1;i>=0;--i){stride[i]=size;size*=shape[i];pad=Math.max(pad,fftm.scratchMemory(shape[i]));if(x.shape[i]!==y.shape[i]){throw new Error("Shape mismatch, real and imaginary arrays must have same size")}}var buf_size=4*size+pad;var buffer;if(x.dtype==="array"||x.dtype==="float64"||x.dtype==="custom"){buffer=pool.mallocDouble(buf_size)}else{buffer=pool.mallocFloat(buf_size)}var x1=ndarray(buffer,shape.slice(0),stride,0),y1=ndarray(buffer,shape.slice(0),stride.slice(0),size),x2=ndarray(buffer,shape.slice(0),stride.slice(0),2*size),y2=ndarray(buffer,shape.slice(0),stride.slice(0),3*size),tmp,n,s1,s2,scratch_ptr=4*size;ops.assign(x1,x);ops.assign(y1,y);for(i=d-1;i>=0;--i){fftm(dir,size/shape[i],shape[i],buffer,x1.offset,y1.offset,scratch_ptr);if(i===0){break}n=1;s1=x2.stride;s2=y2.stride;for(j=i-1;j=0;--j){s2[j]=s1[j]=n;n*=shape[j]}ops.assign(x2,x1);ops.assign(y2,y1);tmp=x1;x1=x2;x2=tmp;tmp=y1;y1=y2;y2=tmp}ops.assign(x,x1);ops.assign(y,y1);pool.free(buffer)}module.exports=ndfft},{"./lib/fft-matrix.js":12,ndarray:16,"ndarray-ops":15,"typedarray-pool":38}],12:[function(require,module,exports){var bits=require("bit-twiddle");function fft(dir,nrows,ncols,buffer,x_ptr,y_ptr,scratch_ptr){dir|=0;nrows|=0;ncols|=0;x_ptr|=0;y_ptr|=0;if(bits.isPow2(ncols)){fftRadix2(dir,nrows,ncols,buffer,x_ptr,y_ptr)}else{fftBluestein(dir,nrows,ncols,buffer,x_ptr,y_ptr,scratch_ptr)}}module.exports=fft;function scratchMemory(n){if(bits.isPow2(n)){return 0}return 2*n+4*bits.nextPow2(2*n+1)}module.exports.scratchMemory=scratchMemory;function fftRadix2(dir,nrows,ncols,buffer,x_ptr,y_ptr){dir|=0;nrows|=0;ncols|=0;x_ptr|=0;y_ptr|=0;var nn,m,i,i1,j,k,i2,l,l1,l2;var c1,c2,t,t1,t2,u1,u2,z,row,a,b,c,d,k1,k2,k3;nn=ncols;m=bits.log2(nn);for(row=0;row>1;j=0;for(i=0;i>=1}j+=k}c1=-1;c2=0;l2=1;for(l=0;l0;){","var w",i,"=",BLOCK_SIZE,";","if(i",i,"<",BLOCK_SIZE,"){","w",i,"=i",i,";","i",i,"=0;","}else{","i",i,"-=",BLOCK_SIZE,";","}")}code.push.apply(code,start(oOrd,"o",oType,"i0","i1","w1"));code.push("for(i=0;i>",rrshift:">>>"};(function(){for(var id in assign_ops){var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:true,funcName:id+"eq"});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:true,funcName:id+"seq"})}})();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};(function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id});exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:true,count:2,funcName:id+"eq"})}})();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};(function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:true,count:2,funcName:id+"eq"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:true,count:2,funcName:id+"seq"})}})();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];(function(){for(var i=0;ithis_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"});exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"});exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"});exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"});exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"});exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1},{name:"y",lvalue:false,rvalue:true,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":3}],16:[function(require,module,exports){var iota=require("iota-array");var isBuffer=require("is-buffer");var hasTypedArrays=typeof Float64Array!=="undefined";function compare1st(a,b){return a[0]-b[0]}function order(){var stride=this.stride;var terms=new Array(stride.length);var i;for(i=0;iMath.abs(this.stride[1]))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")}}else{code.push("ORDER})")}}code.push("proto.set=function "+className+"_set("+args.join(",")+",v){");if(useGetters){code.push("return this.data.set("+index_str+",v)}")}else{code.push("return this.data["+index_str+"]=v}")}code.push("proto.get=function "+className+"_get("+args.join(",")+"){");if(useGetters){code.push("return this.data.get("+index_str+")}")}else{code.push("return this.data["+index_str+"]}")}code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}");code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this.shape[",i,"]:i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this.stride["+i+"]"}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this.shape["+i+"]"});var c_vars=indices.map(function(i){return"c"+i+"=this.stride["+i+"]"});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}");code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this.shape["+i+"]"}).join(",")+","+indices.map(function(i){return"b"+i+"=this.stride["+i+"]"}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i=0){c=(c+this.stride["+i+"]*i"+i+")|0}else{a.push(this.shape["+i+"]);b.push(this.stride["+i+"])}")}code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}");code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(isBuffer(data)){return"buffer"}if(hasTypedArrays){switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped"}}if(Array.isArray(data)){return"array"}return"generic"}var CACHED_CONSTRUCTORS={float32:[],float64:[],int8:[],int16:[],int32:[],uint8:[],uint16:[],uint32:[],array:[],uint8_clamped:[],buffer:[],generic:[]};(function(){for(var id in CACHED_CONSTRUCTORS){CACHED_CONSTRUCTORS[id].push(compileConstructor(id,-1))}});function wrappedNDArrayCtor(data,shape,stride,offset){if(data===undefined){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}else if(typeof data==="number"){data=[data]}if(shape===undefined){shape=[data.length]}var d=shape.length;if(stride===undefined){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i){stride[i]=sz;sz*=shape[i]}}if(offset===undefined){offset=0;for(var i=0;i>14}",args:[{name:"_inline_37_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_37_arg1_",lvalue:false,rvalue:true,count:1},{name:"_inline_37_arg2_",lvalue:false,rvalue:true,count:1},{name:"_inline_37_arg3_",lvalue:false,rvalue:true,count:1}],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"rgb2grayCwise",blockSize:64});module.exports=function rgb2gray(img){if(!(img instanceof NdArray)){img=new NdArray(img)}var iShape=img.shape;var h=iShape[0];var w=iShape[1];var k=iShape[2]||1;if(k===1){return img}var oShape=[h,w];var out=new NdArray(new Uint8Array(__.shapeSize(oShape)),oShape);var r=img.selection.pick(null,null,0);var g=img.selection.pick(null,null,1);var b=img.selection.pick(null,null,2);doRgb2gray(out.selection,r,g,b);return out}},{"../ndarray":36,"../utils":37,"cwise/lib/wrapper":6}],29:[function(require,module,exports){"use strict";var NdArray=require("../ndarray");var rgb2gray=require("./rgb2gray");var doIntegrate=require("cwise/lib/wrapper")({args:["array","array","index",{offset:[-1,-1],array:0},{offset:[-1,0],array:0},{offset:[0,-1],array:0}],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{0!==_inline_25_arg2_[0]&&0!==_inline_25_arg2_[1]?_inline_25_arg1_+_inline_25_arg4_+_inline_25_arg5_-_inline_25_arg3_:0===_inline_25_arg2_[0]&&0===_inline_25_arg2_[1]?_inline_25_arg1_:0===_inline_25_arg2_[0]?_inline_25_arg1_+_inline_25_arg5_:_inline_25_arg1_+_inline_25_arg4_}",args:[{name:"_inline_25_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_25_arg1_",lvalue:false,rvalue:true,count:4},{name:"_inline_25_arg2_",lvalue:false,rvalue:true,count:5},{name:"_inline_25_arg3_",lvalue:false,rvalue:true,count:1},{name:"_inline_25_arg4_",lvalue:false,rvalue:true,count:2},{name:"_inline_25_arg5_",lvalue:false,rvalue:true,count:2}],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"doIntegrateBody",blockSize:64});module.exports=function computeSumAreaTable(img){var gray=rgb2gray(img);var iShape=gray.shape;var iH=iShape[0];var iW=iShape[1];var out=new NdArray(new Uint32Array(iH*iW),[iH,iW]);doIntegrate(out.selection,gray.selection);return out}},{"../ndarray":36,"./rgb2gray":28,"cwise/lib/wrapper":6}],30:[function(require,module,exports){"use strict";var _=require("./utils");var errors=require("../errors");module.exports=function saveImageDom(img,dest){var iShape=img.shape;var iH=iShape[0];var iW=iShape[1];if(dest instanceof HTMLCanvasElement){var $tmp=document.createElement("canvas");$tmp.height=iH;$tmp.width=iW;var tmpCtx=$tmp.getContext("2d");var originalImg=tmpCtx.createImageData(iW,iH);var err=_.setRawData(img.selection,originalImg.data);if(err){throw err}tmpCtx.putImageData(originalImg,0,0);tmpCtx.drawImage($tmp,iW,iH);dest.getContext("2d").drawImage($tmp,0,0,iW,iH,0,0,dest.width,dest.height)}else{throw new errors.ValueError("expect input to be either an HTML Canvas or a (loaded) Image")}}},{"../errors":19,"./utils":34}],31:[function(require,module,exports){"use strict";var ops=require("ndarray-ops");var NdArray=require("../ndarray");var __=require("../utils");var rgb2gray=require("./rgb2gray");var doScharr=require("cwise/lib/wrapper")({args:["array","array",{offset:[-1,-1],array:1},{offset:[-1,0],array:1},{offset:[-1,1],array:1},{offset:[0,-1],array:1},{offset:[0,1],array:1},{offset:[1,-1],array:1},{offset:[1,0],array:1},{offset:[1,1],array:1}],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{var _inline_34_q=3*_inline_34_arg2_+10*_inline_34_arg3_+3*_inline_34_arg4_-3*_inline_34_arg7_-10*_inline_34_arg8_-3*_inline_34_arg9_,_inline_34_s=3*_inline_34_arg2_-3*_inline_34_arg4_+10*_inline_34_arg5_-10*_inline_34_arg6_+3*_inline_34_arg7_-3*_inline_34_arg9_;Math.sqrt(_inline_34_s*_inline_34_s+_inline_34_q*_inline_34_q)}",args:[{name:"_inline_34_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_34_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_34_arg2_",lvalue:false,rvalue:true,count:2},{name:"_inline_34_arg3_",lvalue:false,rvalue:true,count:1},{name:"_inline_34_arg4_",lvalue:false,rvalue:true,count:2},{name:"_inline_34_arg5_",lvalue:false,rvalue:true,count:1},{name:"_inline_34_arg6_",lvalue:false,rvalue:true,count:1},{name:"_inline_34_arg7_",lvalue:false,rvalue:true,count:2},{name:"_inline_34_arg8_",lvalue:false,rvalue:true,count:1},{name:"_inline_34_arg9_",lvalue:false,rvalue:true,count:2}],thisVars:[],localVars:["_inline_34_q","_inline_34_s"]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"doSobelBody",blockSize:64});module.exports=function computeScharr(img){var gray=rgb2gray(img);var iShape=gray.shape;var iH=iShape[0];var iW=iShape[1];var out=new NdArray(new Float32Array(__.shapeSize(iShape)),iShape);doScharr(out.selection,gray.selection);ops.assigns(out.selection.pick(0,null),0);ops.assigns(out.selection.pick(null,0),0);ops.assigns(out.selection.pick(iH-1,null),0);ops.assigns(out.selection.pick(null,iW-1),0);return out.divide(16*Math.sqrt(2),false)}},{"../ndarray":36,"../utils":37,"./rgb2gray":28,"cwise/lib/wrapper":6,"ndarray-ops":15}],32:[function(require,module,exports){"use strict";var ops=require("ndarray-ops");var NdArray=require("../ndarray");var __=require("../utils");var rgb2gray=require("./rgb2gray");var doSobel=require("cwise/lib/wrapper")({args:["array","array",{offset:[-1,-1],array:1},{offset:[-1,0],array:1},{offset:[-1,1],array:1},{offset:[0,-1],array:1},{offset:[0,1],array:1},{offset:[1,-1],array:1},{offset:[1,0],array:1},{offset:[1,1],array:1}],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{var _inline_31_q=_inline_31_arg2_+2*_inline_31_arg3_+_inline_31_arg4_-_inline_31_arg7_-2*_inline_31_arg8_-_inline_31_arg9_,_inline_31_s=_inline_31_arg2_-_inline_31_arg4_+2*_inline_31_arg5_-2*_inline_31_arg6_+_inline_31_arg7_-_inline_31_arg9_;Math.sqrt(_inline_31_s*_inline_31_s+_inline_31_q*_inline_31_q)}",args:[{name:"_inline_31_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_31_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_31_arg2_",lvalue:false,rvalue:true,count:2},{name:"_inline_31_arg3_",lvalue:false,rvalue:true,count:1},{name:"_inline_31_arg4_",lvalue:false,rvalue:true,count:2},{name:"_inline_31_arg5_",lvalue:false,rvalue:true,count:1},{name:"_inline_31_arg6_",lvalue:false,rvalue:true,count:1},{name:"_inline_31_arg7_",lvalue:false,rvalue:true,count:2},{name:"_inline_31_arg8_",lvalue:false,rvalue:true,count:1},{name:"_inline_31_arg9_",lvalue:false,rvalue:true,count:2}],thisVars:[],localVars:["_inline_31_q","_inline_31_s"]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"doSobelBody",blockSize:64});module.exports=function computeSobel(img){var gray=rgb2gray(img);var iShape=gray.shape;var iH=iShape[0];var iW=iShape[1];var out=new NdArray(new Float32Array(__.shapeSize(iShape)),iShape);doSobel(out.selection,gray.selection);ops.assigns(out.selection.pick(0,null),0);ops.assigns(out.selection.pick(null,0),0);ops.assigns(out.selection.pick(iH-1,null),0);ops.assigns(out.selection.pick(null,iW-1),0);return out.divide(4*Math.sqrt(2),false)}},{"../ndarray":36,"../utils":37,"./rgb2gray":28,"cwise/lib/wrapper":6,"ndarray-ops":15}],33:[function(require,module,exports){"use strict";var NdArray=require("../ndarray");var rgb2gray=require("./rgb2gray");var doIntegrate=require("cwise/lib/wrapper")({args:["array","array","index",{offset:[-1,-1],array:0},{offset:[-1,0],array:0},{offset:[0,-1],array:0}],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{0!==_inline_28_arg2_[0]&&0!==_inline_28_arg2_[1]?_inline_28_arg1_*_inline_28_arg1_+_inline_28_arg4_+_inline_28_arg5_-_inline_28_arg3_:0===_inline_28_arg2_[0]&&0===_inline_28_arg2_[1]?_inline_28_arg1_*_inline_28_arg1_:0===_inline_28_arg2_[0]?_inline_28_arg1_*_inline_28_arg1_+_inline_28_arg5_:_inline_28_arg1_*_inline_28_arg1_+_inline_28_arg4_}",args:[{name:"_inline_28_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_28_arg1_",lvalue:false,rvalue:true,count:8},{name:"_inline_28_arg2_",lvalue:false,rvalue:true,count:5},{name:"_inline_28_arg3_",lvalue:false,rvalue:true,count:1},{name:"_inline_28_arg4_",lvalue:false,rvalue:true,count:2},{name:"_inline_28_arg5_",lvalue:false,rvalue:true,count:2}],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"doIntegrateBody",blockSize:64});module.exports=function computeSquaredSumAreaTable(img){var gray=rgb2gray(img);var iShape=gray.shape;var iH=iShape[0];var iW=iShape[1];var out=new NdArray(new Uint32Array(iH*iW),[iH,iW]);doIntegrate(out.selection,gray.selection);return out}},{"../ndarray":36,"./rgb2gray":28,"cwise/lib/wrapper":6}],34:[function(require,module,exports){"use strict";var NdArray=require("../ndarray");module.exports.getRawData=function getRawData(array){if(array instanceof NdArray){array=array.selection}var h;var w;var ptr=0;var aShape=array.shape;var H=aShape[0];var W=aShape[1];var K=aShape[2]||1;var data=new Uint8Array(H*W*K);if(array.shape.length===3){if(K===3){for(h=0;h=0){shape=[shape]}var s=_.shapeSize(shape);var T=_.getType(dtype);var arr=new NdArray(new T(s),shape);if(arr.dtype==="array"){ops.assigns(arr.selection,0)}return arr}function ones(shape,dtype){if(_.isNumber(shape)&&shape>=0){shape=[shape]}var s=_.shapeSize(shape);var T=_.getType(dtype);var arr=new NdArray(new T(s),shape);ops.assigns(arr.selection,1);return arr}function empty(shape,dtype){if(_.isNumber(shape)&&shape>=0){shape=[shape]}var s=_.shapeSize(shape);var T=_.getType(dtype);return new NdArray(new T(s),shape)}function random(shape){if(arguments.length===0){return NdArray.new(Math.random())}else if(arguments.length===1){shape=_.isNumber(shape)?[shape|0]:shape}else{shape=[].slice.call(arguments)}var s=_.shapeSize(shape);var arr=new NdArray(new Float64Array(s),shape);ops.random(arr.selection);return arr}function softmax(x){var e=NdArray.new(x).exp();var se=e.sum();ops.divseq(e.selection,se);return e}var doSigmoid=require("cwise/lib/wrapper")({args:["array","scalar"],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{_inline_1_arg0_=_inline_1_arg0_<-30?0:_inline_1_arg0_>30?1:1/(1+Math.exp(-1*_inline_1_arg1_*_inline_1_arg0_))}",args:[{name:"_inline_1_arg0_",lvalue:true,rvalue:true,count:4},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:1}],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"sigmoidCwise",blockSize:64});function sigmoid(x,t){x=NdArray.new(x).clone();t=t||1;doSigmoid(x.selection,t);return x}var doClip=require("cwise/lib/wrapper")({args:["array","scalar","scalar"],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{_inline_4_arg0_=Math.min(Math.max(_inline_4_arg1_,_inline_4_arg0_),_inline_4_arg2_)}",args:[{name:"_inline_4_arg0_",lvalue:true,rvalue:true,count:2},{name:"_inline_4_arg1_",lvalue:false,rvalue:true,count:1},{name:"_inline_4_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"clipCwise",blockSize:64});function clip(x,min,max){if(arguments.length===1){min=0;max=1}else if(arguments.length===2){max=1}var s=x instanceof NdArray?x.clone():NdArray.new(x);doClip(s.selection,min,max);return s}var doLeakyRelu=require("cwise/lib/wrapper")({args:["array","scalar"],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{_inline_7_arg0_=Math.max(_inline_7_arg1_*_inline_7_arg0_,_inline_7_arg0_)}",args:[{name:"_inline_7_arg0_",lvalue:true,rvalue:true,count:3},{name:"_inline_7_arg1_",lvalue:false,rvalue:true,count:1}],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"leakyReluCwise",blockSize:64});function leakyRelu(x,alpha){alpha=alpha||.001;var s=x instanceof NdArray?x.clone():NdArray.new(x);doLeakyRelu(s.selection,alpha);return s}var doTanh=require("cwise/lib/wrapper")({args:["array"],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{_inline_10_arg0_=(Math.exp(2*_inline_10_arg0_)-1)/(Math.exp(2*_inline_10_arg0_)+1)}",args:[{name:"_inline_10_arg0_",lvalue:true,rvalue:true,count:3}],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},debug:false,funcName:"tanhCwise",blockSize:64});function tanh(x){var s=x instanceof NdArray?x.clone():NdArray.new(x);doTanh(s.selection);return s}function abs(x){var s=x instanceof NdArray?x.clone():NdArray.new(x);ops.abseq(s.selection);return s}function cos(x){var s=x instanceof NdArray?x.clone():NdArray.new(x);ops.coseq(s.selection);return s}function arccos(x){var s=x instanceof NdArray?x.clone():NdArray.new(x);ops.acoseq(s.selection);return s}function sin(x){var s=x instanceof NdArray?x.clone():NdArray.new(x);ops.sineq(s.selection);return s}function arcsin(x){var s=x instanceof NdArray?x.clone():NdArray.new(x);ops.asineq(s.selection);return s}function tan(x){var s=x instanceof NdArray?x.clone():NdArray.new(x);ops.taneq(s.selection);return s}function arctan(x){var s=x instanceof NdArray?x.clone():NdArray.new(x);ops.ataneq(s.selection);return s}function dot(a,b){return NdArray.new(a).dot(b)}function concatenate(arrays){if(arguments.length>1){arrays=[].slice.call(arguments)}var i,a;for(i=0;i1){shape=[].slice.call(arguments)}if(shape.filter(function(s){return s===-1}).length>1){throw new errors.ValueError("can only specify one unknown dimension")}var currentShapeSize=_.shapeSize(shape);shape=shape.map(function(s){return s===-1?-1*this.size/currentShapeSize:s}.bind(this));if(this.size!==_.shapeSize(shape)){throw new errors.ValueError("total size of new array must be unchanged")}var selfShape=this.selection.shape;var selfOffset=this.selection.offset;var selfStride=this.selection.stride;var selfDim=selfShape.length;var d=shape.length;var stride;var offset;var i;var sz;if(selfDim===d){var sameShapes=true;for(i=0;i=0;--i){stride[i]=sz;sz*=shape[i]}offset=selfOffset;for(i=0;i1){axes=arguments}return new NdArray(this.selection.transpose.apply(this.selection,axes))};NdArray.prototype.dot=function(x){x=x instanceof NdArray?x:createArray(x,this.dtype);var tShape=this.shape;var xShape=x.shape;if(tShape.length===2&&xShape.length===2&&tShape[1]===xShape[0]){var T=_.getType(this.dtype);var c=new NdArray(new T(tShape[0]*xShape[1]),[tShape[0],xShape[1]]);gemm(c.selection,this.selection,x.selection);return c}else if(tShape.length===1&&xShape.length===2&&tShape[0]===xShape[0]){return this.reshape([tShape[0],1]).T.dot(x).reshape(xShape[1])}else if(tShape.length===2&&xShape.length===1&&tShape[1]===xShape[0]){return this.dot(x.reshape([xShape[0],1])).reshape(tShape[0])}else if(tShape.length===1&&xShape.length===1&&tShape[0]===xShape[0]){return this.reshape([tShape[0],1]).T.dot(x.reshape([xShape[0],1])).reshape([1])}else{throw new errors.ValueError("cannot compute the matrix product of given arrays")}};NdArray.prototype.assign=function(x,copy){if(arguments.length===1){copy=true}var arr=copy?this.clone():this;if(_.isNumber(x)){ops.assigns(arr.selection,x);return arr}x=createArray(x,this.dtype);ops.assign(arr.selection,x.selection);return arr};NdArray.prototype.add=function(x,copy){if(arguments.length===1){copy=true}var arr=copy?this.clone():this;if(_.isNumber(x)){ops.addseq(arr.selection,x);return arr}x=createArray(x,this.dtype);ops.addeq(arr.selection,x.selection);return arr};NdArray.prototype.subtract=function(x,copy){if(arguments.length===1){copy=true}var arr=copy?this.clone():this;if(_.isNumber(x)){ops.subseq(arr.selection,x);return arr}x=createArray(x,this.dtype);ops.subeq(arr.selection,x.selection);return arr};NdArray.prototype.multiply=function(x,copy){if(arguments.length===1){copy=true}var arr=copy?this.clone():this;if(_.isNumber(x)){ops.mulseq(arr.selection,x);return arr}x=createArray(x,this.dtype);ops.muleq(arr.selection,x.selection);return arr};NdArray.prototype.divide=function(x,copy){if(arguments.length===1){copy=true}var arr=copy?this.clone():this;if(_.isNumber(x)){ops.divseq(arr.selection,x);return arr}x=createArray(x,this.dtype);ops.diveq(arr.selection,x.selection);return arr};NdArray.prototype.pow=function(x,copy){if(arguments.length===1){copy=true}var arr=copy?this.clone():this;if(_.isNumber(x)){ops.powseq(arr.selection,x);return arr}x=createArray(x,this.dtype);ops.poweq(arr.selection,x.selection);return arr};NdArray.prototype.exp=function(copy){if(arguments.length===0){copy=true}var arr=copy?this.clone():this;ops.expeq(arr.selection);return arr};NdArray.prototype.sqrt=function(copy){if(arguments.length===0){copy=true}var arr=copy?this.clone():this;ops.sqrteq(arr.selection);return arr};NdArray.prototype.max=function(){if(this.selection.size===0){return null}return ops.sup(this.selection)};NdArray.prototype.min=function(){if(this.selection.size===0){return null}return ops.inf(this.selection)};NdArray.prototype.sum=function(){return ops.sum(this.selection)};NdArray.prototype.std=function(options){options=_.defaults(options,{ddof:0});var squares=this.clone();ops.powseq(squares.selection,2);var mean=this.mean();var shapeSize=_.shapeSize(this.shape);var variance=ops.sum(squares.selection)/(shapeSize-options.ddof)-mean*mean*shapeSize/(shapeSize-options.ddof);return variance>0?Math.sqrt(Math.abs(variance)):0};NdArray.prototype.mean=function(){return ops.sum(this.selection)/_.shapeSize(this.shape)};NdArray.prototype.tolist=function(){return unpackArray(this.selection)};NdArray.prototype.valueOf=function(){return this.tolist()};NdArray.prototype.toString=function(){var nChars=formatNumber(this.max()).length;var reg1=/\]\,(\s*)\[/g;var spacer1="],\n$1 [";var reg3=/\]\,(\s+)...\,(\s+)\[/g;var spacer3="],\n$2 ...\n$2 [";var reg2=/\[\s+\[/g;var spacer2="[[";function formatArray(k,v){if(_.isString(v)){return v}if(_.isNumber(v)){var s=formatNumber(v);return new Array(Math.max(0,nChars-s.length+2)).join(" ")+s}k=k||0;var arr;var th=CONF.printThreshold;var hth=th/2|0;if(v.length>th){arr=[].concat(v.slice(0,hth),[" ..."],v.slice(v.length-hth))}else{arr=v}return new Array(k+1).join(" ")+"["+arr.map(function(i,ii){return formatArray(ii===0&&k===0?1:k+1,i)}).join(",")+"]"}var base=JSON.stringify(this.tolist(),formatArray).replace(reg1,spacer1).replace(reg2,spacer2).replace(reg2,spacer2).replace(reg3,spacer3).slice(2,-1);switch(this.dtype){case"array":return"array(["+base+")";default:return"array(["+base+", dtype="+this.dtype+")"}};NdArray.prototype.inspect=NdArray.prototype.toString;NdArray.prototype.toJSON=function(){return JSON.stringify(this.tolist())};NdArray.prototype.clone=function(){var s=this.selection;if(typeof s.data.slice==="undefined"){return new NdArray(ndarray([].slice.apply(s.data),s.shape,s.stride,s.offset))}return new NdArray(ndarray(s.data.slice(),s.shape,s.stride,s.offset))};NdArray.prototype.equal=function(array){array=createArray(array);if(this.size!==array.size||this.ndim!==array.ndim){return false}var d=this.ndim;for(var i=0;ishape.length-1){throw new errors.ValueError("invalid axis")}for(var i=0;i=0;--i){nshape[i]=as.shape[i];nstride[i]=nsize;nsize*=nshape[i];oshape[i]=as.shape[i]-bs.shape[i]+1}var T=_.getType(as.dtype);var out=new NdArray(new T(_.shapeSize(oshape)),oshape);var outs=out.selection;var xT=ndPool.mallocDouble(nsize);var x=ndarray(xT,nshape,nstride,0);ops.assigns(x,0);ops.assign(x.hi.apply(x,as.shape),as);var yT=ndPool.mallocDouble(nsize);var y=ndarray(yT,nshape,nstride,0);ops.assigns(y,0);ndFFT(1,x,y);var uT=ndPool.mallocDouble(nsize);var u=ndarray(uT,nshape,nstride,0);ops.assigns(u,0);ops.assign(u.hi.apply(u,bs.shape),bs);var vT=ndPool.mallocDouble(nsize);var v=ndarray(vT,nshape,nstride,0);ops.assigns(v,0);ndFFT(1,u,v);doConjMuleq(x,y,u,v);ndFFT(-1,x,y);var outShape=new Array(d);var outOffset=new Array(d);var needZeroFill=false;for(i=0;inshape[i]){needZeroFill=true}outOffset[i]=bs.shape[i]-1;outShape[i]=Math.min(outs.shape[i],nshape[i]-outOffset[i])}var croppedX;if(needZeroFill){ops.assign(outs,0)}croppedX=x.lo.apply(x,outOffset);croppedX=croppedX.hi.apply(croppedX,outShape);ops.assign(outs.hi.apply(outs,outShape),croppedX);ndPool.freeDouble(xT);ndPool.freeDouble(yT);ndPool.freeDouble(uT);ndPool.freeDouble(vT);return out};function createArray(arr,dtype){if(arr instanceof NdArray){return arr}var T=_.getType(dtype);if(_.isNumber(arr)){if(T!==Array){return new NdArray(new T([arr]),[1])}else{return new NdArray([arr],[1])}}var shape=_.getShape(arr);if(shape.length>1){arr=_.flatten(arr,true)}if(!(arr instanceof T)){arr=new T(arr)}return new NdArray(arr,shape)}NdArray.new=createArray;module.exports=NdArray;function initNativeArray(shape,i){i=i||0;var c=shape[i]|0;if(c<=0){return[]}var result=new Array(c);var j;if(i===shape.length-1){for(j=0;j0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":2,buffer:40,dup:7}],39:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;iK_MAX_LENGTH){throw new RangeError("Invalid typed array length")}var buf=new 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from(value,encodingOrOffset,length)};Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;function assertSize(size){if(typeof size!=="number"){throw new TypeError('"size" argument must be a number')}else if(size<0){throw new RangeError('"size" argument must not be negative')}}function alloc(size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(size)}if(fill!==undefined){return typeof encoding==="string"?createBuffer(size).fill(fill,encoding):createBuffer(size).fill(fill)}return createBuffer(size)}Buffer.alloc=function(size,fill,encoding){return alloc(size,fill,encoding)};function allocUnsafe(size){assertSize(size);return createBuffer(size<0?0:checked(size)|0)}Buffer.allocUnsafe=function(size){return allocUnsafe(size)};Buffer.allocUnsafeSlow=function(size){return allocUnsafe(size)};function fromString(string,encoding){if(typeof encoding!=="string"||encoding===""){encoding="utf8"}if(!Buffer.isEncoding(encoding)){throw new TypeError('"encoding" must 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i=b[n];b[n]=b[m];b[m]=i}Buffer.prototype.swap16=function swap16(){var len=this.length;if(len%2!==0){throw new RangeError("Buffer size must be a multiple of 16-bits")}for(var i=0;i0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... 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valLength=val.length;if(encoding!==undefined){encoding=String(encoding).toLowerCase();if(encoding==="ucs2"||encoding==="ucs-2"||encoding==="utf16le"||encoding==="utf-16le"){if(arr.length<2||val.length<2){return-1}indexSize=2;arrLength/=2;valLength/=2;byteOffset/=2}}function read(buf,i){if(indexSize===1){return buf[i]}else{return buf.readUInt16BE(i*indexSize)}}var i;if(dir){var foundIndex=-1;for(i=byteOffset;iarrLength)byteOffset=arrLength-valLength;for(i=byteOffset;i>=0;i--){var found=true;for(var j=0;jremaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new TypeError("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i>>0;if(isFinite(length)){length=length>>>0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported")}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("Attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(ilen)end=len;var out="";for(var i=start;ilen){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(endlength)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i>>0;byteLength=byteLength>>>0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||valuebuf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i>>0;byteLength=byteLength>>>0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);this[offset]=value&255;return offset+1};Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);this[offset]=value&255;this[offset+1]=value>>>8;return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);this[offset]=value>>>8;this[offset+1]=value&255;return offset+2};Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255;return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255;return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=0;this[offset]=value&255;while(++i>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){if(value<0&&sub===0&&this[offset+i+1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);this[offset]=value&255;this[offset+1]=value>>>8;return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);this[offset]=value>>>8;this[offset+1]=value&255;return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24;return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255;return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart=0;--i){target[i+targetStart]=this[i+start]}}else if(len<1e3){for(i=0;i>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==="number"){for(i=start;i55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function isnan(val){return val!==val}},{"base64-js":41,ieee754:42}],41:[function(require,module,exports){"use strict";exports.byteLength=byteLength;exports.toByteArray=toByteArray;exports.fromByteArray=fromByteArray;var lookup=[];var revLookup=[];var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(var i=0,len=code.length;i0){throw new Error("Invalid string. Length must be a multiple of 4")}return b64[len-2]==="="?2:b64[len-1]==="="?1:0}function byteLength(b64){return b64.length*3/4-placeHoldersCount(b64)}function toByteArray(b64){var i,j,l,tmp,placeHolders,arr;var len=b64.length;placeHolders=placeHoldersCount(b64);arr=new Arr(len*3/4-placeHolders);l=placeHolders>0?len-4:len;var L=0;for(i=0,j=0;i>16&255;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}if(placeHolders===2){tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4;arr[L++]=tmp&255}else if(placeHolders===1){tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}return arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[num&63]}function encodeChunk(uint8,start,end){var tmp;var output=[];for(var i=start;ilen2?len2:i+maxChunkLength))}if(extraBytes===1){tmp=uint8[len-1];output+=lookup[tmp>>2];output+=lookup[tmp<<4&63];output+="=="}else if(extraBytes===2){tmp=(uint8[len-2]<<8)+uint8[len-1];output+=lookup[tmp>>10];output+=lookup[tmp>>4&63];output+=lookup[tmp<<2&63];output+="="}parts.push(output);return parts.join("")}},{}],42:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},{}],43:[function(require,module,exports){(function(process){function normalizeArray(parts,allowAboveRoot){var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up--;up){parts.unshift("..")}}return parts}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;var splitPath=function(filename){return splitPathRe.exec(filename).slice(1)};exports.resolve=function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:process.cwd();if(typeof path!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){continue}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=path.charAt(0)==="/"}resolvedPath=normalizeArray(filter(resolvedPath.split("/"),function(p){return!!p}),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."};exports.normalize=function(path){var isAbsolute=exports.isAbsolute(path),trailingSlash=substr(path,-1)==="/";path=normalizeArray(filter(path.split("/"),function(p){return!!p}),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path};exports.isAbsolute=function(path){return path.charAt(0)==="/"};exports.join=function(){var paths=Array.prototype.slice.call(arguments,0);return exports.normalize(filter(paths,function(p,index){if(typeof p!=="string"){throw new TypeError("Arguments to path.join must be strings")}return p}).join("/"))};exports.relative=function(from,to){from=exports.resolve(from).substr(1);to=exports.resolve(to).substr(1);function trim(arr){var start=0;for(;start=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i1){for(var i=1;i= extent[0] && v <= extent[1] }) // console.log("extent", extent) var bincount = 20; // default amount of bins if otherwise unspecified var binwidth; if(options.binwidth) { binwidth = options.binwidth bincount = Math.ceil((extent[1] - extent[0])/binwidth) // console.log("binwidth!", binwidth, bincount) } else { if(options.bincount) bincount = options.bincount binwidth = (extent[1] - extent[0])/bincount // console.log("count!", binwidth, bincount) } var nested = d3.nest() .key(function(d) { var floored = Math.floor((accessor(d) - extent[0])/binwidth) if(floored < 0) floored = 0; if(floored >= bincount) floored = bincount - 1; return floored; }) .rollup(function(leaves) { return leaves }) .entries(data) // console.log("nested", nested) var binned = [] nested.forEach(function(d) { binned.push({ x0: extent[0] + (+d.key)*binwidth, x1: extent[0] + (+d.key+1)*binwidth, data: d.value, count: d.value.length, }) }) binned.xbincount = bincount; return binned.sort(function(a,b) { return a.x0 - b.x0 }); }33:T62d,/* We assume the data has been binned in the x-dimension already */ function ybin(data, options) { var accessor = options.accessor; var extent = options.extent//d3.extent(data, accessor) // var filtered = data.filter(function(d) { // var v = accessor(d) // return v >= extent[0] && v <= extent[1] // }) // console.log("extent", extent) var bincount = 20; // default amount of bins if otherwise unspecified var binwidth; if(options.binwidth) { binwidth = options.binwidth bincount = Math.ceil((extent[1] - extent[0])/binwidth) // console.log("binwidth!", binwidth, bincount) } else { if(options.bincount) bincount = options.bincount binwidth = (extent[1] - extent[0])/bincount // console.log("count!", binwidth, bincount) } var binned = [] data.forEach(function(datum) { var nested = d3.nest() .key(function(d) { var floored = Math.floor((accessor(d) - extent[0])/binwidth) if(floored < 0) floored = 0; if(floored >= bincount) floored = bincount - 1; return floored; }) .rollup(function(leaves) { return leaves.length }) .entries(datum.data) // console.log("nested", nested) nested.forEach(function(d) { binned.push({ x0: datum.x0, x1: datum.x1, y0: extent[0] + (+d.key)*binwidth, y1: extent[0] + (+d.key+1)*binwidth, count: d.value//datum.count + d.value, }) }) }) binned.xbincount = data.xbincount binned.ybincount = bincount return binned//.sort(function(a,b) { return a.x0 - b.x0 }); }34:[] 2e:{"title":"Function Bank","cells":[{"id":164,"value":"md`## Express Helpers\n* \\`labelRange(label, start, stop, step)\\` \nuseage: \\`viewof foo = labelRange(\"Foo:\", 0, 10, 1)\\`\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":168,"value":"labelRange = function(label, start, stop, step) {\n var div = html`

${label}:

`\n var range = DOM.range(start, stop, step)\n div.appendChild(range)\n d3.select(range).on(\"input\", function() {\n div.value = +this.value;\n div.dispatchEvent(new CustomEvent(\"input\"));\n })\n div.value = +range.value;\n return div;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":7,"value":"md `## Quickdraw functions\n\n* \\`simplifyLine([[x1, y1],[x2,y2]...], tolerance)\\` \n[from this gist](https://gist.github.com/adammiller/826148)\n* \\`linesToStrokes([[x1, y1],[x2,y2]...])\\`\n* \\`SketchRNN\\`\n\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":2,"value":"$30","pinned":false,"hidden":false,"mode":"ojs"},{"id":53,"value":"function linesToStrokes(raw_data) {\n var x, y;\n var px=0, py=0;\n var dx, dy;\n var pon, poff;\n var stroke = [];\n var i, j;\n var len;\n var p;\n for (i=0;i 1) {\n for (j=0;j