30:T883,{ //render the original drawing (should have it so we get the original drawing and its encoding from somewhere) var orig_strokes = [[{"x":123,"y":12},{"x":119,"y":9},{"x":101,"y":8},{"x":78,"y":12},{"x":62,"y":21},{"x":45,"y":42},{"x":30,"y":88},{"x":26,"y":115},{"x":26,"y":140},{"x":42,"y":174},{"x":57,"y":190},{"x":81,"y":201},{"x":111,"y":201},{"x":152,"y":194},{"x":163,"y":188},{"x":177,"y":175},{"x":197,"y":146},{"x":201,"y":129},{"x":203,"y":99},{"x":199,"y":70},{"x":194,"y":55},{"x":178,"y":34},{"x":160,"y":19},{"x":145,"y":10},{"x":125,"y":6}],[{"x":89,"y":70},{"x":86,"y":64},{"x":83,"y":63},{"x":78,"y":73},{"x":78,"y":63}],[{"x":137,"y":67},{"x":136,"y":64},{"x":131,"y":70},{"x":131,"y":77},{"x":135,"y":80},{"x":143,"y":79},{"x":146,"y":74},{"x":144,"y":69},{"x":134,"y":70},{"x":134,"y":74},{"x":137,"y":76},{"x":141,"y":73},{"x":141,"y":69},{"x":138,"y":67},{"x":137,"y":73},{"x":142,"y":77},{"x":144,"y":71}],[{"x":90,"y":69},{"x":81,"y":65},{"x":79,"y":69},{"x":90,"y":72},{"x":96,"y":67},{"x":95,"y":60},{"x":86,"y":59},{"x":82,"y":62},{"x":83,"y":67},{"x":90,"y":67},{"x":92,"y":63},{"x":89,"y":62},{"x":85,"y":74},{"x":92,"y":68}],[{"x":65,"y":112},{"x":80,"y":139},{"x":91,"y":151},{"x":98,"y":156},{"x":114,"y":159},{"x":123,"y":159},{"x":131,"y":154},{"x":146,"y":122}],[{"x":88,"y":7},{"x":76,"y":12},{"x":38,"y":38},{"x":25,"y":57},{"x":19,"y":83},{"x":12,"y":166},{"x":0,"y":212}],[{"x":125,"y":11},{"x":152,"y":0},{"x":173,"y":25},{"x":198,"y":70},{"x":214,"y":143},{"x":235,"y":179},{"x":255,"y":199}]] var context = DOM.canvas(width*2, height*2).getContext("2d") var line = d3.line() .x(function(d) { return d.x }) .y(function(d) { return d.y }) .curve(d3.curveBasis) //.curve(d3.curveStep) .context(context) var color = d3.scaleSequential(d3.interpolateViridis) .domain([0, strokes.length]) context.save() context.translate(50, 50) context.scale(1.5, 1.5) context.lineWidth = 2 context.lineCap = "round" orig_strokes.forEach(function(d,i) { context.beginPath() //context.strokeStyle = color(i) line(d) context.stroke() }) context.restore() return context.canvas }31:T1555,latent = { regen; //return model.random_latent_vector() //return Array(128).fill(0) return [-0.10733209028538267,0.9386880719993789,-0.005519965536856365,0.49004980551816557,-1.7565756626762998,0.019884457774936366,-0.0010352487397945025,0.00413160455031332,-0.04110614235272747,0.005527435105789569,-0.02480472750632169,0.01398488389514179,0.887535708517585,-0.04023470121845411,0.06999944609400202,0.031027050059219456,-0.0298106941144939,1.8149179153907895,-0.00937060465189268,-0.02576940329666489,-0.0320919000787882,-0.01573906747048246,-0.0740293010787647,-0.010334690945280795,0.00808642684833214,-0.0360390790644147,-0.6332028853018286,1.231525951140108,-0.7580489053086716,0.04388940172388876,-0.022258917623217703,0.004459414490928459,0.02142444051548539,-0.01197624280626363,-0.023535748521853243,-0.44817516266606,0.022092397872711507,-0.001087703294041134,-0.02828417553412662,-0.0176641948152388,-0.01708342779198079,-0.02926041350482501,0.00019323818627659493,0.020911521037950624,1.066670567660641,-0.9821679410536797,0.0071458511419695385,-0.04365843525264751,-0.17137884196033418,0.0311919665225934,-0.00256518628080055,-0.002343656989867904,-0.01749788842162541,0.02073819226458532,-0.023274568063914564,-0.02427398614132783,-0.021449032089534647,0.008673899888606776,-0.017787160622073927,0.7396952807727092,-0.042412934672207844,0.017990150309267428,-0.002190727441278628,-0.009129507418848461,0.004702938115941132,0.01216601753019518,-0.30082142407436396,-0.7188374237512657,-0.006955988165421561,0.10021216084430315,0.6630222003400393,-0.0028698345454248493,-0.009724708897269316,-0.0669967487447809,0.08541693608925888,-0.034375096718115956,-1.1043012683084628,-0.05813088285321788,0.012600117583957824,0.014880346578155686,0.30502739344156804,-0.13878855824955766,0.00018368587619193438,0.3044535940983041,0.006557098689043337,0.034764716908128046,0.023037032695510922,-0.0015231634259328629,2.676631315927706,0.006807652269173431,0.005303624913935146,-0.0585768922946365,0.0054515268695556705,0.019304419428208625,-0.023249464830189498,0.014561340662067653,0.041569524883784445,-0.440568641543196,-0.011658815914515288,0.004719060364878349,-0.010997128198029334,0.03291450185155067,0.015003621474833459,0.011780339228377932,-0.008889018596160477,-0.004517560736300738,-0.02035353628328108,0.296206517333984,0.12577730457626968,0.01310352754955213,-0.00921665072208789,-0.004796244816584215,0.026782613115339735,0.06114945731781495,-0.012650470218454248,-0.008905086581762492,0.004291662678584572,0.016482878497638572,-0.007691362477932866,-0.02718572793191256,0.00886337875952866,0.0008595160143945249,0.017256364386887185,-0.03664789264837037,-0.03217527758769072,0.653732637902939,0.012064067662577928,0.10792574856967016] //[-0.6413164387395627,0.4798186568157202,-0.022217160923966105,0.2864017909711744,-0.7822759015597001,0.05536748800887574,0.021572768896132324,0.023356618211703456,-0.03831209335460217,0.01947505758880667,0.008541532225533992,0.013258114003286983,-2.037377984932701,-0.058247366728852945,-0.052607064219114374,0.007797211959749198,-0.01837122645276944,0.6192933720461997,-0.026647389352329298,-0.027151793102351465,-0.018086181930325112,0.000517431062814367,-0.023201601415397014,-0.0027991911452218254,0.01920262870106612,-0.018062876472335336,-0.7513636247728637,1.8135774920570222,-0.000992017781117998,0.027937784491433623,-0.017642900624343476,-0.01200645378740266,0.004136638912493877,-0.010560993865092135,-0.027007172057276232,-0.11281670956896377,0.030326793505486317,0.02444647028364746,-0.0229122877800674,-0.010130699701613295,-0.011796114073689544,0.009465104880647626,0.0013127302402583816,0.0006318162216106416,-0.31443493199687483,0.30013065048179466,-0.016085852007459735,-0.00877279442220938,-0.07133504344162248,-0.09148885010552082,-0.010806182104131644,0.015996188764740682,-0.0008847367754964905,0.012232162974814678,-0.007755252701562448,-0.038316630015082384,0.019989861509328175,0.010866560167754342,-0.019926186479373248,1.7240219523788467,-0.047081981622075546,0.11836521867128005,0.17594761459996816,0.026027073779208893,0.01568137530149439,-0.6194451845168337,-0.47519190060816674,-0.2382571714841013,-0.03333783782220014,-0.42634311056998797,-0.3414348967955115,-0.005790739273207562,0.02232620381870004,-0.10141250456296827,0.13537843809114133,0.0019557494201135166,-0.04743796454283973,-0.19216665935470284,0.00760531156723886,0.0014104107602804367,0.26541714112151105,-0.41879555053940964,0.011471615121459517,0.14004473479046037,-0.010110423699058756,0.006448376989233347,0.015280849660082552,-0.001727309132329359,1.867648374331415,0.04326989272781241,-0.013014919885202418,-0.011592026949723076,0.0026082130622083555,0.005799205485811251,-0.013205735631762795,0.006193957807456825,-0.022114555523723947,1.9694311022447126,-0.010129773770986908,0.00010374500343028527,-0.027617066106973162,-0.08526600738778242,0.016995144662858643,-0.009663553297648815,0.02033710771311728,-0.003246191359373312,-0.022578953584388238,0.3046420064350648,-0.06410797824589355,0.022155479676336545,0.02908054746176364,-0.000031522636503687404,0.035658981206836325,-0.041060681523831,-0.006366921166159837,-0.006308737433247366,0.01816860419008521,-0.009335112529312607,0.013409328406246451,-0.021197237937336022,0.009462066444448653,0.016744634241972874,0.011874896087253457,-0.10438363812537546,-0.031142459839296893,0.6086990794432526,0.02010691829188198,0.10619409182056432] }32:T414,{ var line = d3.line() .x(function(d) { return d.x }) .y(function(d) { return d.y }) .curve(d3.curveBasis) //.curve(d3.curveStep) var svgel = DOM.svg(width*2, height* 2) var svg = d3.select(svgel) var g = svg.append("g") var defs = svg.append("defs"); var filter = defs.append("filter").attr("id","gooeyCodeFilter"); filter.append("feGaussianBlur") .attr("in","SourceGraphic") .attr("stdDeviation", blur) .attr("color-interpolation-filters","sRGB") .attr("result","blur"); filter.append("feColorMatrix") .attr("in","blur") .attr("mode","matrix") .attr("values","1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 18 -7") .attr("result","gooey") g.style("filter", "url(#gooeyCodeFilter)") .attr("transform", "translate(50, 50)scale(1.25)") g.selectAll("path.stroke").data(strokes) .enter().append("path").classed("stroke", true) .attr("d", line) .attr("stroke", function(d,i) { return "#111" }) .attr("stroke-width", 5) .attr("fill", "none") return svgel }33:T466a9,nj = { var numjs; var HTMLImageElement = window.HTMLImageElement; var HTMLCanvasElement = window.HTMLCanvasElement; var global = window.global; var define, self; var console = window.console; (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o0)-(v<0)};exports.abs=function(v){var mask=v>>INT_BITS-1;return(v^mask)-mask};exports.min=function(x,y){return y^(x^y)&-(x65535)<<4;v>>>=r;shift=(v>255)<<3;v>>>=shift;r|=shift;shift=(v>15)<<2;v>>>=shift;r|=shift;shift=(v>3)<<1;v>>>=shift;r|=shift;return r|v>>1};exports.log10=function(v){return v>=1e9?9:v>=1e8?8:v>=1e7?7:v>=1e6?6:v>=1e5?5:v>=1e4?4:v>=1e3?3:v>=100?2:v>=10?1:0};exports.popCount=function(v){v=v-(v>>>1&1431655765);v=(v&858993459)+(v>>>2&858993459);return(v+(v>>>4)&252645135)*16843009>>>24};function countTrailingZeros(v){var c=32;v&=-v;if(v)c--;if(v&65535)c-=16;if(v&16711935)c-=8;if(v&252645135)c-=4;if(v&858993459)c-=2;if(v&1431655765)c-=1;return c}exports.countTrailingZeros=countTrailingZeros;exports.nextPow2=function(v){v+=v===0;--v;v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v+1};exports.prevPow2=function(v){v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v-(v>>>1)};exports.parity=function(v){v^=v>>>16;v^=v>>>8;v^=v>>>4;v&=15;return 27030>>>v&1};var REVERSE_TABLE=new Array(256);(function(tab){for(var i=0;i<256;++i){var v=i,r=i,s=7;for(v>>>=1;v;v>>>=1){r<<=1;r|=v&1;--s}tab[i]=r<>>8&255]<<16|REVERSE_TABLE[v>>>16&255]<<8|REVERSE_TABLE[v>>>24&255]};exports.interleave2=function(x,y){x&=65535;x=(x|x<<8)&16711935;x=(x|x<<4)&252645135;x=(x|x<<2)&858993459;x=(x|x<<1)&1431655765;y&=65535;y=(y|y<<8)&16711935;y=(y|y<<4)&252645135;y=(y|y<<2)&858993459;y=(y|y<<1)&1431655765;return x|y<<1};exports.deinterleave2=function(v,n){v=v>>>n&1431655765;v=(v|v>>>1)&858993459;v=(v|v>>>2)&252645135;v=(v|v>>>4)&16711935;v=(v|v>>>16)&65535;return v<<16>>16};exports.interleave3=function(x,y,z){x&=1023;x=(x|x<<16)&4278190335;x=(x|x<<8)&251719695;x=(x|x<<4)&3272356035;x=(x|x<<2)&1227133513;y&=1023;y=(y|y<<16)&4278190335;y=(y|y<<8)&251719695;y=(y|y<<4)&3272356035;y=(y|y<<2)&1227133513;x|=y<<1;z&=1023;z=(z|z<<16)&4278190335;z=(z|z<<8)&251719695;z=(z|z<<4)&3272356035;z=(z|z<<2)&1227133513;return x|z<<2};exports.deinterleave3=function(v,n){v=v>>>n&1227133513;v=(v|v>>>2)&3272356035;v=(v|v>>>4)&251719695;v=(v|v>>>8)&4278190335;v=(v|v>>>16)&1023;return v<<22>>22};exports.nextCombination=function(v){var t=v|v-1;return t+1|(~t&-~t)-1>>>countTrailingZeros(v)+1}},{}],3:[function(require,module,exports){"use strict";var createThunk=require("./lib/thunk.js");function Procedure(){this.argTypes=[];this.shimArgs=[];this.arrayArgs=[];this.arrayBlockIndices=[];this.scalarArgs=[];this.offsetArgs=[];this.offsetArgIndex=[];this.indexArgs=[];this.shapeArgs=[];this.funcName="";this.pre=null;this.body=null;this.post=null;this.debug=false}function compileCwise(user_args){var proc=new Procedure;proc.pre=user_args.pre;proc.body=user_args.body;proc.post=user_args.post;var proc_args=user_args.args.slice(0);proc.argTypes=proc_args;for(var i=0;i0){throw new Error("cwise: pre() block may not reference array args")}if(i0){throw new Error("cwise: post() block may not reference array args")}}else if(arg_type==="scalar"){proc.scalarArgs.push(i);proc.shimArgs.push("scalar"+i)}else if(arg_type==="index"){proc.indexArgs.push(i);if(i0){throw new Error("cwise: pre() block may not reference array index")}if(i0){throw new Error("cwise: post() block may not reference array index")}}else if(arg_type==="shape"){proc.shapeArgs.push(i);if(iproc_args.length){throw new Error("cwise: Too many arguments in pre() block")}if(proc.body.args.length>proc_args.length){throw new Error("cwise: Too many arguments in body() block")}if(proc.post.args.length>proc_args.length){throw new Error("cwise: Too many arguments in post() block")}proc.debug=!!user_args.printCode||!!user_args.debug;proc.funcName=user_args.funcName||"cwise";proc.blockSize=user_args.blockSize||64;return createThunk(proc)}module.exports=compileCwise},{"./lib/thunk.js":5}],4:[function(require,module,exports){"use strict";var uniq=require("uniq");function innerFill(order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0,i,j;for(i=0;i=0;--i){idx=order[i];code.push(["for(i",i,"=0;i",i,"0){code.push(["index[",pidx,"]-=s",pidx].join(""))}code.push(["++index[",idx,"]"].join(""))}code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[];for(var i=0;i0;){"].join(""));code.push(["if(j",i,"<",blockSize,"){"].join(""));code.push(["s",order[i],"=j",i].join(""));code.push(["j",i,"=0"].join(""));code.push(["}else{s",order[i],"=",blockSize].join(""));code.push(["j",i,"-=",blockSize,"}"].join(""));if(has_index){code.push(["index[",order[i],"]=j",i].join(""))}}for(var i=0;i0){allEqual=allEqual&&summary[i]===summary[i-1]}}if(allEqual){return summary[0]}return summary.join("")}function generateCWiseOp(proc,typesig){var dimension=typesig[1].length-Math.abs(proc.arrayBlockIndices[0])|0;var orders=new Array(proc.arrayArgs.length);var dtypes=new Array(proc.arrayArgs.length);for(var i=0;i0){vars.push("shape=SS.slice(0)")}if(proc.indexArgs.length>0){var zeros=new Array(dimension);for(var i=0;i3){code.push(processBlock(proc.pre,proc,dtypes))}var body=processBlock(proc.body,proc,dtypes);var matched=countMatches(loopOrders);if(matched3){code.push(processBlock(proc.post,proc,dtypes))}if(proc.debug){console.log("-----Generated cwise routine for ",typesig,":\n"+code.join("\n")+"\n----------")}var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");var f=new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""));return f()}module.exports=generateCWiseOp},{uniq:39}],5:[function(require,module,exports){"use strict";var compile=require("./compile.js");function createThunk(proc){var code=["'use strict'","var CACHED={}"];var vars=[];var thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));var typesig=[];var string_typesig=[];var proc_args=[["array",proc.arrayArgs[0],".shape.slice(",Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?","+proc.arrayBlockIndices[0]+")":")"].join("")];var shapeLengthConditions=[],shapeConditions=[];for(var i=0;i0){shapeLengthConditions.push("array"+proc.arrayArgs[0]+".shape.length===array"+j+".shape.length+"+(Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i])));shapeConditions.push("array"+proc.arrayArgs[0]+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[0])+"]===array"+j+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[i])+"]")}}if(proc.arrayArgs.length>1){code.push("if (!("+shapeLengthConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same dimensionality!')");code.push("for(var shapeIndex=array"+proc.arrayArgs[0]+".shape.length-"+Math.abs(proc.arrayBlockIndices[0])+"; shapeIndex--\x3e0;) {");code.push("if (!("+shapeConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same shape!')");code.push("}")}for(var i=0;i0){return dupe_number(count|0,value)}break;case"object":if(typeof count.length==="number"){return dupe_array(count,value,0)}break}return[]}module.exports=dupe},{}],8:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i>>1;var wrapFlags=[["ary",WRAP_ARY_FLAG],["bind",WRAP_BIND_FLAG],["bindKey",WRAP_BIND_KEY_FLAG],["curry",WRAP_CURRY_FLAG],["curryRight",WRAP_CURRY_RIGHT_FLAG],["flip",WRAP_FLIP_FLAG],["partial",WRAP_PARTIAL_FLAG],["partialRight",WRAP_PARTIAL_RIGHT_FLAG],["rearg",WRAP_REARG_FLAG]];var argsTag="[object Arguments]",arrayTag="[object Array]",asyncTag="[object AsyncFunction]",boolTag="[object Boolean]",dateTag="[object Date]",domExcTag="[object DOMException]",errorTag="[object Error]",funcTag="[object Function]",genTag="[object GeneratorFunction]",mapTag="[object Map]",numberTag="[object Number]",nullTag="[object Null]",objectTag="[object Object]",promiseTag="[object Promise]",proxyTag="[object Proxy]",regexpTag="[object RegExp]",setTag="[object Set]",stringTag="[object String]",symbolTag="[object Symbol]",undefinedTag="[object Undefined]",weakMapTag="[object WeakMap]",weakSetTag="[object WeakSet]";var arrayBufferTag="[object ArrayBuffer]",dataViewTag="[object DataView]",float32Tag="[object Float32Array]",float64Tag="[object Float64Array]",int8Tag="[object Int8Array]",int16Tag="[object Int16Array]",int32Tag="[object Int32Array]",uint8Tag="[object Uint8Array]",uint8ClampedTag="[object Uint8ClampedArray]",uint16Tag="[object Uint16Array]",uint32Tag="[object Uint32Array]";var reEmptyStringLeading=/\b__p \+= '';/g,reEmptyStringMiddle=/\b(__p \+=) '' \+/g,reEmptyStringTrailing=/(__e$.*?$|\b__t\)) \+\n'';/g;var 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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 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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 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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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timerExpired(){var time=now();if(shouldInvoke(time)){return trailingEdge(time)}timerId=setTimeout(timerExpired,remainingWait(time))}function trailingEdge(time){timerId=undefined;if(trailing&&lastArgs){return invokeFunc(time)}lastArgs=lastThis=undefined;return result}function cancel(){if(timerId!==undefined){clearTimeout(timerId)}lastInvokeTime=0;lastArgs=lastCallTime=lastThis=timerId=undefined}function flush(){return timerId===undefined?result:trailingEdge(now())}function debounced(){var time=now(),isInvoking=shouldInvoke(time);lastArgs=arguments;lastThis=this;lastCallTime=time;if(isInvoking){if(timerId===undefined){return leadingEdge(lastCallTime)}if(maxing){timerId=setTimeout(timerExpired,wait);return invokeFunc(lastCallTime)}}if(timerId===undefined){timerId=setTimeout(timerExpired,wait)}return result}debounced.cancel=cancel;debounced.flush=flush;return debounced}var defer=baseRest(function(func,args){return baseDelay(func,1,args)});var delay=baseRest(function(func,wait,args){return 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overArgs=castRest(function(func,transforms){transforms=transforms.length==1&&isArray(transforms[0])?arrayMap(transforms[0],baseUnary(getIteratee())):arrayMap(baseFlatten(transforms,1),baseUnary(getIteratee()));var funcsLength=transforms.length;return baseRest(function(args){var index=-1,length=nativeMin(args.length,funcsLength);while(++index=other});var isArguments=baseIsArguments(function(){return arguments}())?baseIsArguments:function(value){return isObjectLike(value)&&hasOwnProperty.call(value,"callee")&&!propertyIsEnumerable.call(value,"callee")};var isArray=Array.isArray;var isArrayBuffer=nodeIsArrayBuffer?baseUnary(nodeIsArrayBuffer):baseIsArrayBuffer;function isArrayLike(value){return value!=null&&isLength(value.length)&&!isFunction(value)}function isArrayLikeObject(value){return isObjectLike(value)&&isArrayLike(value)}function isBoolean(value){return value===true||value===false||isObjectLike(value)&&baseGetTag(value)==boolTag}var isBuffer=nativeIsBuffer||stubFalse;var isDate=nodeIsDate?baseUnary(nodeIsDate):baseIsDate;function isElement(value){return isObjectLike(value)&&value.nodeType===1&&!isPlainObject(value)}function isEmpty(value){if(value==null){return true}if(isArrayLike(value)&&(isArray(value)||typeof value=="string"||typeof value.splice=="function"||isBuffer(value)||isTypedArray(value)||isArguments(value))){return!value.length}var tag=getTag(value);if(tag==mapTag||tag==setTag){return!value.size}if(isPrototype(value)){return!baseKeys(value).length}for(var key in value){if(hasOwnProperty.call(value,key)){return false}}return true}function isEqual(value,other){return baseIsEqual(value,other)}function isEqualWith(value,other,customizer){customizer=typeof customizer=="function"?customizer:undefined;var result=customizer?customizer(value,other):undefined;return result===undefined?baseIsEqual(value,other,undefined,customizer):!!result}function isError(value){if(!isObjectLike(value)){return false}var tag=baseGetTag(value);return 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'' : __t) +\n'"}index=offset+match.length;return match});source+="';\n";var variable=options.variable;if(!variable){source="with (obj) {\n"+source+"\n}\n"}source=(isEvaluating?source.replace(reEmptyStringLeading,""):source).replace(reEmptyStringMiddle,"$1").replace(reEmptyStringTrailing,"$1;");source="function("+(variable||"obj")+") {\n"+(variable?"":"obj || (obj = {});\n")+"var __t, __p = ''"+(isEscaping?", __e = _.escape":"")+(isEvaluating?", __j = Array.prototype.join;\n"+"function print() { __p += __j.call(arguments, '') }\n":";\n")+source+"return __p\n}";var result=attempt(function(){return Function(importsKeys,sourceURL+"return "+source).apply(undefined,importsValues)});result.source=source;if(isError(result)){throw result}return result}function toLower(value){return toString(value).toLowerCase()}function toUpper(value){return toString(value).toUpperCase()}function trim(string,chars,guard){string=toString(string);if(string&&(guard||chars===undefined)){return string.replace(reTrim,"")}if(!string||!(chars=baseToString(chars))){return string}var strSymbols=stringToArray(string),chrSymbols=stringToArray(chars),start=charsStartIndex(strSymbols,chrSymbols),end=charsEndIndex(strSymbols,chrSymbols)+1;return castSlice(strSymbols,start,end).join("")}function trimEnd(string,chars,guard){string=toString(string);if(string&&(guard||chars===undefined)){return string.replace(reTrimEnd,"")}if(!string||!(chars=baseToString(chars))){return string}var strSymbols=stringToArray(string),end=charsEndIndex(strSymbols,stringToArray(chars))+1;return castSlice(strSymbols,0,end).join("")}function trimStart(string,chars,guard){string=toString(string);if(string&&(guard||chars===undefined)){return string.replace(reTrimStart,"")}if(!string||!(chars=baseToString(chars))){return string}var strSymbols=stringToArray(string),start=charsStartIndex(strSymbols,stringToArray(chars));return castSlice(strSymbols,start).join("")}function truncate(string,options){var length=DEFAULT_TRUNC_LENGTH,omission=DEFAULT_TRUNC_OMISSION;if(isObject(options)){var separator="separator"in options?options.separator:separator;length="length"in options?toInteger(options.length):length;omission="omission"in options?baseToString(options.omission):omission}string=toString(string);var strLength=string.length;if(hasUnicode(string)){var strSymbols=stringToArray(string);strLength=strSymbols.length}if(length>=strLength){return string}var end=length-stringSize(omission);if(end<1){return omission}var result=strSymbols?castSlice(strSymbols,0,end).join(""):string.slice(0,end);if(separator===undefined){return result+omission}if(strSymbols){end+=result.length-end}if(isRegExp(separator)){if(string.slice(end).search(separator)){var match,substring=result;if(!separator.global){separator=RegExp(separator.source,toString(reFlags.exec(separator))+"g")}separator.lastIndex=0;while(match=separator.exec(substring)){var newEnd=match.index}result=result.slice(0,newEnd===undefined?end:newEnd)}}else if(string.indexOf(baseToString(separator),end)!=end){var index=result.lastIndexOf(separator);if(index>-1){result=result.slice(0,index)}}return result+omission}function unescape(string){string=toString(string);return string&&reHasEscapedHtml.test(string)?string.replace(reEscapedHtml,unescapeHtmlChar):string}var upperCase=createCompounder(function(result,word,index){return result+(index?" ":"")+word.toUpperCase()});var upperFirst=createCaseFirst("toUpperCase");function words(string,pattern,guard){string=toString(string);pattern=guard?undefined:pattern;if(pattern===undefined){return hasUnicodeWord(string)?unicodeWords(string):asciiWords(string)}return string.match(pattern)||[]}var attempt=baseRest(function(func,args){try{return apply(func,undefined,args)}catch(e){return isError(e)?e:new Error(e)}});var bindAll=flatRest(function(object,methodNames){arrayEach(methodNames,function(key){key=toKey(key);baseAssignValue(object,key,bind(object[key],object))});return object});function cond(pairs){var length=pairs==null?0:pairs.length,toIteratee=getIteratee();pairs=!length?[]:arrayMap(pairs,function(pair){if(typeof pair[1]!="function"){throw new TypeError(FUNC_ERROR_TEXT)}return[toIteratee(pair[0]),pair[1]]});return baseRest(function(args){var index=-1;while(++indexMAX_SAFE_INTEGER){return[]}var index=MAX_ARRAY_LENGTH,length=nativeMin(n,MAX_ARRAY_LENGTH);iteratee=getIteratee(iteratee);n-=MAX_ARRAY_LENGTH;var result=baseTimes(length,iteratee);while(++index0||end<0)){return new LazyWrapper(result)}if(start<0){result=result.takeRight(-start)}else if(start){result=result.drop(start)}if(end!==undefined){end=toInteger(end);result=end<0?result.dropRight(-end):result.take(end-start)}return result};LazyWrapper.prototype.takeRightWhile=function(predicate){return this.reverse().takeWhile(predicate).reverse()};LazyWrapper.prototype.toArray=function(){return this.take(MAX_ARRAY_LENGTH)};baseForOwn(LazyWrapper.prototype,function(func,methodName){var checkIteratee=/^(?:filter|find|map|reject)|While$/.test(methodName),isTaker=/^(?:head|last)$/.test(methodName),lodashFunc=lodash[isTaker?"take"+(methodName=="last"?"Right":""):methodName],retUnwrapped=isTaker||/^find/.test(methodName);if(!lodashFunc){return}lodash.prototype[methodName]=function(){var value=this.__wrapped__,args=isTaker?[1]:arguments,isLazy=value instanceof LazyWrapper,iteratee=args[0],useLazy=isLazy||isArray(value);var interceptor=function(value){var result=lodashFunc.apply(lodash,arrayPush([value],args));return isTaker&&chainAll?result[0]:result};if(useLazy&&checkIteratee&&typeof iteratee=="function"&&iteratee.length!=1){isLazy=useLazy=false}var chainAll=this.__chain__,isHybrid=!!this.__actions__.length,isUnwrapped=retUnwrapped&&!chainAll,onlyLazy=isLazy&&!isHybrid;if(!retUnwrapped&&useLazy){value=onlyLazy?value:new LazyWrapper(this);var result=func.apply(value,args);result.__actions__.push({func:thru,args:[interceptor],thisArg:undefined});return new LodashWrapper(result,chainAll)}if(isUnwrapped&&onlyLazy){return func.apply(this,args)}result=this.thru(interceptor);return isUnwrapped?isTaker?result.value()[0]:result.value():result}});arrayEach(["pop","push","shift","sort","splice","unshift"],function(methodName){var func=arrayProto[methodName],chainName=/^(?:push|sort|unshift)$/.test(methodName)?"tap":"thru",retUnwrapped=/^(?:pop|shift)$/.test(methodName);lodash.prototype[methodName]=function(){var args=arguments;if(retUnwrapped&&!this.__chain__){var value=this.value();return func.apply(isArray(value)?value:[],args)}return this[chainName](function(value){return func.apply(isArray(value)?value:[],args)})}});baseForOwn(LazyWrapper.prototype,function(func,methodName){var lodashFunc=lodash[methodName];if(lodashFunc){var key=lodashFunc.name+"",names=realNames[key]||(realNames[key]=[]);names.push({name:methodName,func:lodashFunc})}});realNames[createHybrid(undefined,WRAP_BIND_KEY_FLAG).name]=[{name:"wrapper",func:undefined}];LazyWrapper.prototype.clone=lazyClone;LazyWrapper.prototype.reverse=lazyReverse;LazyWrapper.prototype.value=lazyValue;lodash.prototype.at=wrapperAt;lodash.prototype.chain=wrapperChain;lodash.prototype.commit=wrapperCommit;lodash.prototype.next=wrapperNext;lodash.prototype.plant=wrapperPlant;lodash.prototype.reverse=wrapperReverse;lodash.prototype.toJSON=lodash.prototype.valueOf=lodash.prototype.value=wrapperValue;lodash.prototype.first=lodash.prototype.head;if(symIterator){lodash.prototype[symIterator]=wrapperToIterator}return lodash};var _=runInContext();if(typeof define=="function"&&typeof define.amd=="object"&&define.amd){root._=_;define(function(){return _})}else if(freeModule){(freeModule.exports=_)._=_;freeExports._=_}else{root._=_}}).call(this)}).call(this,typeof 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 Uint8Array(length);buf.__proto__=Buffer.prototype;return buf}function Buffer(arg,encodingOrOffset,length){if(typeof arg==="number"){if(typeof encodingOrOffset==="string"){throw new Error("If encoding is specified then the first argument must be a string")}return allocUnsafe(arg)}return from(arg,encodingOrOffset,length)}if(typeof Symbol!=="undefined"&&Symbol.species&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true,enumerable:false,writable:false})}Buffer.poolSize=8192;function from(value,encodingOrOffset,length){if(typeof value==="number"){throw new TypeError('"value" argument must not be a number')}if(typeof ArrayBuffer!=="undefined"&&value instanceof ArrayBuffer){return fromArrayBuffer(value,encodingOrOffset,length)}if(typeof value==="string"){return fromString(value,encodingOrOffset)}return fromObject(value)}Buffer.from=function(value,encodingOrOffset,length){return 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 be a valid string encoding')}var length=byteLength(string,encoding)|0;var buf=createBuffer(length);var actual=buf.write(string,encoding);if(actual!==length){buf=buf.slice(0,actual)}return buf}function fromArrayLike(array){var length=array.length<0?0:checked(array.length)|0;var buf=createBuffer(length);for(var i=0;i=K_MAX_LENGTH){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+K_MAX_LENGTH.toString(16)+" bytes")}return length|0}function SlowBuffer(length){if(+length!=length){length=0}return Buffer.alloc(+length)}Buffer.isBuffer=function isBuffer(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function compare(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError("Arguments must be Buffers")}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;if(start===undefined||start<0){start=0}if(start>this.length){return""}if(end===undefined||end>this.length){end=this.length}if(end<=0){return""}end>>>=0;start>>>=0;if(end<=start){return""}if(!encoding)encoding="utf8";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype._isBuffer=true;function swap(b,n,m){var 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+=" ... "}return""};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(!Buffer.isBuffer(target)){throw new TypeError("Argument must be a Buffer")}if(start===undefined){start=0}if(end===undefined){end=target?target.length:0}if(thisStart===undefined){thisStart=0}if(thisEnd===undefined){thisEnd=this.length}if(start<0||end>target.length||thisStart<0||thisEnd>this.length){throw new RangeError("out of range index")}if(thisStart>=thisEnd&&start>=end){return 0}if(thisStart>=thisEnd){return-1}if(start>=end){return 1}start>>>=0;end>>>=0;thisStart>>>=0;thisEnd>>>=0;if(this===target)return 0;var x=thisEnd-thisStart;var y=end-start;var len=Math.min(x,y);var thisCopy=this.slice(thisStart,thisEnd);var targetCopy=target.slice(start,end);for(var i=0;i2147483647){byteOffset=2147483647}else if(byteOffset<-2147483648){byteOffset=-2147483648}byteOffset=+byteOffset;if(isNaN(byteOffset)){byteOffset=dir?0:buffer.length-1}if(byteOffset<0)byteOffset=buffer.length+byteOffset;if(byteOffset>=buffer.length){if(dir)return-1;else byteOffset=buffer.length-1}else if(byteOffset<0){if(dir)byteOffset=0;else return-1}if(typeof val==="string"){val=Buffer.from(val,encoding)}if(Buffer.isBuffer(val)){if(val.length===0){return-1}return arrayIndexOf(buffer,val,byteOffset,encoding,dir)}else if(typeof val==="number"){val=val&255;if(typeof Uint8Array.prototype.indexOf==="function"){if(dir){return Uint8Array.prototype.indexOf.call(buffer,val,byteOffset)}else{return Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset)}}return arrayIndexOf(buffer,[val],byteOffset,encoding,dir)}throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){var indexSize=1;var arrLength=arr.length;var 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 1) return gaussRandom(); var c = Math.sqrt(-2*Math.log(r)/r); v_val = v*c; // cache this return_v = true; return u*c; } function randf(a, b) { return Math.random()*(b-a)+a; }; function randi(a, b) { return Math.floor(Math.random()*(b-a)+a); }; function randn(mu, std){ return mu+gaussRandom()*std; }; // from http://www.math.grin.edu/~mooret/courses/math336/bivariate-normal.html function birandn(mu1, mu2, std1, std2, rho) { var z1 = randn(0, 1); var z2 = randn(0, 1); var x = Math.sqrt(1-rho*rho)*std1*z1 + rho*std1*z2 + mu1; var y = std2*z2 + mu2; return [x, y]; }; /** * sets the internal scale factor of this model (usually ~ 100) */ function set_scale_factor(scale) { scale_factor = scale; this.scale_factor = scale_factor; }; /** * sets the internal EXTRA factor of this model (pixel to model space) */ function set_pixel_factor(scale) { // for best effect, set to 1.0 for d3 or paper.js, 2.0 for p5.js pixel_factor = scale; scale_factor = info.scale_factor / pixel_factor; this.scale_factor = scale_factor; }; /** * loads a JSON-parsed model in its specified format. */ function load_model(model_raw_data) { "use strict"; var i, j; info = model_raw_data[0]; dimensions = model_raw_data[1]; num_blobs = dimensions.length; var weightsIn = model_raw_data[2]; weights = Array(weightsIn.length) max_weight = 10.0; N_mixture=20; console.log("LOADING MODEL!!!!!!!!!!") max_seq_len = info.max_seq_len; pixel_factor = 2.0; // maybe should be 1.0 for non-retina screens. scale_factor = info.scale_factor / pixel_factor; // divide by 2 for macbooks? for (i=0;i=0;i--) { s = [forward_sequence[i][0], forward_sequence[i][1], forward_sequence[i][2], forward_sequence[i][3], forward_sequence[i][4]]; reverse_sequence.push(s); } var output_fw = enc_fw_lstm.encode(forward_sequence); var output_bw = enc_bw_lstm.encode(reverse_sequence); var output = nj.concatenate([output_fw, output_bw]); var mu = nj.add(nj.dot(output, enc_mu_w),enc_mu_b); // optimization: if (temp > 0) { var presig = nj.add(nj.dot(output, enc_sigma_w),enc_sigma_b); var sigma = nj.sqrt(nj.exp(presig)); var eps = nj.multiply(nj.array(random_normal_vector(), 'float32'), temp); var z = nj.add(mu, nj.multiply(eps, sigma)); } else { var z = mu; } return z.tolist(); }; /** * don't encode to latent vector, but only up to mu and sigma (for speed-hungry applications) */ function encode_to_mu_sigma(sequence) { var forward_sequence = []; var reverse_sequence = []; var i; var s; var N = sequence.length; for (i=0;i=0;i--) { s = [forward_sequence[i][0], forward_sequence[i][1], forward_sequence[i][2], forward_sequence[i][3], forward_sequence[i][4]]; reverse_sequence.push(s); } var output_fw = enc_fw_lstm.encode(forward_sequence); var output_bw = enc_bw_lstm.encode(reverse_sequence); var output = nj.concatenate([output_fw, output_bw]); var mu = nj.add(nj.dot(output, enc_mu_w),enc_mu_b); var presig = nj.add(nj.dot(output, enc_sigma_w),enc_sigma_b); var sigma = nj.sqrt(nj.exp(presig)); return [mu, sigma]; }; /** * given a fixed mu/sigma, sample a v=latent vector. */ function encode_from_mu_sigma(mu, sigma, temperature) { // returns random z given mu, sigma, temperature (2nd part of encode function) // sometimes we want to create a large list of random z's given the same encoded image // this is an optimization. var temp=1.0; if (typeof(temperature) === "number") { temp = temperature; }; var eps = nj.multiply(nj.array(random_normal_vector(), 'float32'), temp); var z = nj.add(mu, nj.multiply(eps, sigma)); return z.tolist(); }; /** * given a latent vector, get the initial states of the LSTM (h and c) */ function get_init_state_from_latent_vector(y) { if (y.constructor != Array) { console.log("error, the argument passed into decode must be a Javascript normal Array type."); y = Array.prototype.slice.call(y); }; var z = nj.array(y); /** * for backward compatibility. */ if (this.info.version < 6) { z = nj.tanh(z); // for older versions, clip the latent variable. } var init_state = nj.tanh(nj.add(nj.dot(z, enc_w), enc_b)); var c = init_state.slice([0, dec_num_units]).clone(); var h = init_state.slice([dec_num_units, 2*dec_num_units]).clone(); return [h, c]; }; /** * given a latent vector, sample a vector image using full vae-model, */ function decode(y, temperature, softmax_temperature) { console.log("DECODING") if (y.constructor != Array) { console.log("error, the argument passed into decode must be a Javascript normal Array type."); y = Array.prototype.slice.call(y); }; var temp=0.01; if (typeof(temperature) === "number") { temp = temperature; } var softmax_temp= 0.5+temp*0.5; if (typeof(softmax_temperature) === "number") { softmax_temp = softmax_temperature; } var z = nj.array(y); var init_state = nj.tanh(nj.add(nj.dot(z, enc_w), enc_b)); var c = init_state.slice([0, dec_num_units]).clone(); var h = init_state.slice([dec_num_units, 2*dec_num_units]).clone(); var rnn_state; var dx, dy, pen_down, pen_up, pen_end; var pdf; var x = nj.array([0, 0, 0, 0, 0]); var result = []; var lstm_input; for(var i=0;i= x) { return i; } } console.log('error sampling pi index'); return -1; }; /** * sample from a binary distribution */ function sample_binary(z_eos) { // eos = 1 if random.random() < o_eos[0][0] else 0 var eos = 0; if (randf(0, 1) < z_eos.get(0)) { eos = 1; } return eos; } /** * adjust the temperature of a categorial distribution */ function adjust_temp(z_old, temp) { var z = nj.array(z_old); var i; var x; //console.log("before="+z_old.get(0)); for (i=z.shape[0]-1;i>=0;i--) { x = z.get(i); x = Math.log(x) / temp; z.set(i, x); } x = z.max(); z = nj.subtract(z, x); z = nj.exp(z); x = z.sum(); z = nj.divide(z, x); //console.log("after="+z.get(0)); return z; }; /** * samples the next point of the sketch given pdf parameters and optional temperature params */ function sample(z, temperature, softmax_temperature) { // z is [z_pi, z_mu1, z_mu2, z_sigma1, z_sigma2, z_corr, z_pen] // returns [x, y, eos] // optional softmax_temperature var temp=0.65; if (typeof(temperature) === "number") { temp = temperature; } var softmax_temp = 0.5+temp*0.5; if (typeof(softmax_temperature) === "number") { softmax_temp = softmax_temperature; } var z_0 = adjust_temp(z[0], softmax_temp); var z_6 = adjust_temp(z[6], softmax_temp); var idx = sample_softmax(z_0); var mu1 = z[1].get(idx); var mu2 = z[2].get(idx); var sigma1 = z[3].get(idx)*Math.sqrt(temp); var sigma2 = z[4].get(idx)*Math.sqrt(temp); var corr = z[5].get(idx); var pen_idx = sample_softmax(z_6); var penstate = [0, 0, 0]; penstate[pen_idx] = 1; var delta = birandn(mu1, mu2, sigma1, sigma2, corr); return [delta[0]*scale_factor, delta[1]*scale_factor, penstate[0], penstate[1], penstate[2]]; } load_model(model_raw_data); function get_info() { return this.info; }; this.zero_state = zero_state; this.zero_input = zero_input; this.copy_state = copy_state; this.update = update; this.get_pdf = get_pdf; this.randf = randf; this.randi = randi; this.randn = randn; this.birandn = birandn; this.tanh = tanh; this.sample = sample; this.scale_factor = scale_factor; this.info = info; this.max_seq_len = info.max_seq_len; this.name = info.name; this.mode = info.mode; this.set_scale_factor = set_scale_factor; this.set_pixel_factor = set_pixel_factor; this.encode = encode; this.decode = decode; this.generate = generate; this.random_latent_vector = random_latent_vector; this.scale_drawing = scale_drawing; this.scale_drawing_by_factor = scale_drawing_by_factor; this.center_drawing = center_drawing; this.z_size = z_size; this.get_info = get_info; this.get_init_state_from_latent_vector = get_init_state_from_latent_vector; this.encode_to_mu_sigma = encode_to_mu_sigma; this.encode_from_mu_sigma = encode_from_mu_sigma; this.copy_drawing = copy_drawing; }36:T1961,DataTool = { var global = {} function simplify_line(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. Vertex Reduction within tolerance of prior vertex cluster vt[0] = V[0]; // start at the beginning for (i=k=1, pv=0; i 1) { for (j=0;j 1) { for (j=0;jBlur: `\n var range = DOM.range(0, 5, 0.1)\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\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":527,"value":"function centerVertically(strokes, height) {\n var magicHeight = height || 333\n var centroidY = 0;\n var count = 0;\n strokes.forEach(function(stroke) {\n stroke.forEach(function(p) {\n centroidY += p.y\n count++;\n })\n })\n centroidY /= count;\n var diff = magicHeight/2 - centroidY\n var newstrokes = strokes.map(function(stroke) {\n return stroke.map(function(p) {\n return {x: p.x, y: p.y + diff }\n })\n })\n return newstrokes\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":67,"value":"function convertDecoded(example, start_x, start_y) {\n var i;\n var x=start_x, y=start_y;\n var dx, dy, \n pen_down = 0, \n pen_up = 1, \n pen_end = 0;\n var prev_pen = [pen_down, pen_up, pen_end];\n \n var strokes = [];\n var j = -1;\n\n for(i=0;i