ambisonics.min.js

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.ambisonics=e()}}(function(){var define,module,exports;return function(){function e(t,r,n){function i(o,s){if(!r[o]){if(!t[o]){var u="function"==typeof require&&require;if(!s&&u)return u(o,!0);if(a)return a(o,!0);var c=new Error("Cannot find module '"+o+"'");throw c.code="MODULE_NOT_FOUND",c}var f=r[o]={exports:{}};t[o][0].call(f.exports,function(e){return i(t[o][1][e]||e)},f,f.exports,e,t,r,n)}return r[o].exports}for(var a="function"==typeof require&&require,o=0;o<n.length;o++)i(n[o]);return i}return e}()({1:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r){(0,a.default)(this,e),this.initialized=!1,this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.decFilters=new Array(this.nCh),this.decFilterNodes=new Array(this.nCh),this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(2),this.out.channelCountMode="explicit",this.out.channelCount=1,this.gainMid=this.ctx.createGain(),this.gainSide=this.ctx.createGain(),this.invertSide=this.ctx.createGain(),this.gainMid.gain.value=1,this.gainSide.gain.value=1,this.invertSide.gain.value=-1;for(var n=0;n<this.nCh;n++)this.decFilterNodes[n]=this.ctx.createConvolver(),this.decFilterNodes[n].normalize=!1;this.resetFilters();for(var n=0;n<this.nCh;n++){this.in.connect(this.decFilterNodes[n],n,0);var i=Math.floor(Math.sqrt(n));n-i*i-i>=0?this.decFilterNodes[n].connect(this.gainMid):this.decFilterNodes[n].connect(this.gainSide)}this.gainMid.connect(this.out,0,0),this.gainSide.connect(this.out,0,0),this.gainMid.connect(this.out,0,1),this.gainSide.connect(this.invertSide,0,0),this.invertSide.connect(this.out,0,1),this.initialized=!0}return(0,s.default)(e,[{key:"updateFilters",value:function(e){for(var t=0;t<this.nCh;t++)this.decFilters[t]=this.ctx.createBuffer(1,e.length,e.sampleRate),this.decFilters[t].getChannelData(0).set(e.getChannelData(t)),this.decFilterNodes[t].buffer=this.decFilters[t]}},{key:"resetFilters",value:function(){var e=new Array(this.nCh);e.fill(0),e[0]=.5,e[1]=.5/Math.sqrt(3);for(var t=0;t<this.nCh;t++){this.decFilters[t]=this.ctx.createBuffer(1,64,this.ctx.sampleRate);for(var r=0;r<64;r++)this.decFilters[t].getChannelData(0)[r]=0;this.decFilters[t].getChannelData(0)[0]=e[t],this.decFilterNodes[t].buffer=this.decFilters[t]}}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],2:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r){(0,a.default)(this,e),this.initialized=!1,this.ctx=t,this.order=r,this.nCh=2*r+1,this.decFilters=new Array(this.nCh),this.decFilterNodes=new Array(this.nCh),this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(2),this.out.channelCountMode="explicit",this.out.channelCount=1,this.gainMid=this.ctx.createGain(),this.gainSide=this.ctx.createGain(),this.invertSide=this.ctx.createGain(),this.gainMid.gain.value=1,this.gainSide.gain.value=1,this.invertSide.gain.value=-1;for(var n=0;n<this.nCh;n++)this.decFilterNodes[n]=this.ctx.createConvolver(),this.decFilterNodes[n].normalize=!1;this.resetFilters();for(var n=0;n<this.nCh;n++)this.in.connect(this.decFilterNodes[n],n,0),n%2==0?this.decFilterNodes[n].connect(this.gainMid):this.decFilterNodes[n].connect(this.gainSide);this.gainMid.connect(this.out,0,0),this.gainSide.connect(this.out,0,0),this.gainMid.connect(this.out,0,1),this.gainSide.connect(this.invertSide,0,0),this.invertSide.connect(this.out,0,1),this.initialized=!0}return(0,s.default)(e,[{key:"updateFilters",value:function(e){for(var t=0;t<this.nCh;t++)this.decFilters[t]=this.ctx.createBuffer(1,e.length,e.sampleRate),this.decFilters[t].getChannelData(0).set(e.getChannelData(t)),this.decFilterNodes[t].buffer=this.decFilters[t]}},{key:"resetFilters",value:function(){var e=new Array(this.nCh);e.fill(0),e[0]=.5,e[1]=.5/Math.sqrt(3);for(var t=0;t<this.nCh;t++){this.decFilters[t]=this.ctx.createBuffer(1,64,this.ctx.sampleRate);for(var r=0;r<64;r++)this.decFilters[t].getChannelData(0)[r]=0;this.decFilters[t].getChannelData(0)[0]=e[t],this.decFilterNodes[t].buffer=this.decFilters[t]}}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],3:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.fuma2acn=r.n3d2sn3d=r.sn3d2n3d=r.acn2wxyz=r.wxyz2acn=void 0;var n=e("babel-runtime/helpers/classCallCheck"),i=function(e){return e&&e.__esModule?e:{default:e}}(n);r.wxyz2acn=function e(t){(0,i.default)(this,e),this.ctx=t,this.in=this.ctx.createChannelSplitter(4),this.out=this.ctx.createChannelMerger(4),this.gains=new Array(4);for(var r=0;r<4;r++)this.gains[r]=this.ctx.createGain(),this.gains[r].gain.value=0==r?Math.SQRT2:Math.sqrt(3),this.gains[r].connect(this.out,0,r);this.in.connect(this.gains[0],0,0),this.in.connect(this.gains[3],1,0),this.in.connect(this.gains[1],2,0),this.in.connect(this.gains[2],3,0)},r.acn2wxyz=function e(t){(0,i.default)(this,e),this.ctx=t,this.in=this.ctx.createChannelSplitter(4),this.out=this.ctx.createChannelMerger(4),this.gains=new Array(4);for(var r=0;r<4;r++)this.gains[r]=this.ctx.createGain(),this.gains[r].gain.value=0==r?Math.SQRT1_2:1/Math.sqrt(3),this.gains[r].connect(this.out,0,r);this.in.connect(this.gains[0],0,0),this.in.connect(this.gains[2],1,0),this.in.connect(this.gains[3],2,0),this.in.connect(this.gains[1],3,0)},r.sn3d2n3d=function e(t,r){(0,i.default)(this,e),this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh),this.gains=new Array(this.nCh);for(var n=0;n<this.nCh;n++){var a=Math.floor(Math.sqrt(n));this.gains[n]=this.ctx.createGain(),this.gains[n].gain.value=Math.sqrt(2*a+1),this.in.connect(this.gains[n],n,0),this.gains[n].connect(this.out,0,n)}},r.n3d2sn3d=function e(t,r){(0,i.default)(this,e),this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh),this.gains=new Array(this.nCh);for(var n=0;n<this.nCh;n++){var a=Math.floor(Math.sqrt(n));this.gains[n]=this.ctx.createGain(),this.gains[n].gain.value=1/Math.sqrt(2*a+1),this.in.connect(this.gains[n],n,0),this.gains[n].connect(this.out,0,n)}},r.fuma2acn=function e(t,r){(0,i.default)(this,e),r>3&&(console.log("FuMa specifiction is supported up to 3rd order"),r=3);var n=[Math.sqrt(2),Math.sqrt(3),Math.sqrt(3),Math.sqrt(3),Math.sqrt(15)/2,Math.sqrt(15)/2,Math.sqrt(5),Math.sqrt(15)/2,Math.sqrt(15)/2,Math.sqrt(35/8),Math.sqrt(35)/3,Math.sqrt(224/45),Math.sqrt(7),Math.sqrt(224/45),Math.sqrt(35)/3,Math.sqrt(35/8)];if(this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh),this.gains=[],this.remapArray=[],this.remapArray.push(0,2,3,1),r>1)for(var a,o=0,s=0;s<this.nCh;s++)if(a=[],s>=(o+1)*(o+1)){o+=1;for(var u=(o+1)*(o+1);u<(o+2)*(o+2);u++)(u+o%2)%2==0?a.push(u):a.unshift(u);this.remapArray=this.remapArray.concat(a)}for(var s=0;s<this.nCh;s++)this.gains[s]=this.ctx.createGain(),this.gains[s].gain.value=n[s],this.in.connect(this.gains[s],this.remapArray[s],0),this.gains[s].connect(this.out,0,s)}},{"babel-runtime/helpers/classCallCheck":28}],4:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r){(0,a.default)(this,e),this.initialized=!1,this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.encFilters=new Array(this.nCh),this.encFilterNodes=new Array(this.nCh),this.in=this.ctx.createGain(),this.in.channelCountMode="explicit",this.in.channelCount=1,this.out=this.ctx.createChannelMerger(this.nCh);for(var n=0;n<this.nCh;n++)this.encFilterNodes[n]=this.ctx.createConvolver(),this.encFilterNodes[n].normalize=!1;for(var n=0;n<this.nCh;n++)this.in.connect(this.encFilterNodes[n]),this.encFilterNodes[n].connect(this.out,0,n);this.initialized=!0}return(0,s.default)(e,[{key:"updateFilters",value:function(e){for(var t=0;t<this.nCh;t++)this.encFilters[t]=this.ctx.createBuffer(1,e.length,e.sampleRate),this.encFilters[t].getChannelData(0).set(e.getChannelData(t)),this.encFilterNodes[t].buffer=this.encFilters[t]}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],5:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("./utils.js"),c=function(){function e(t,r){(0,a.default)(this,e),this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.nSpk=0,this._decodingMatrix=[],this._spkSphPosArray=[],this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(1),this._spkSphPosArray=this._getDefaultSpkConfig(this.order),this._updateDecodeMtx(this._spkSphPosArray)}return(0,s.default)(e,[{key:"_updateDecodeMtx",value:function(e){this.nSpk=e.length,this.out=this.ctx.createChannelMerger(this.nSpk),this._decodingMatrix=u.getAmbisonicDecMtx(e,this.order),this.mtxGain=new Array(this.nCh);for(var t=0;t<this.nCh;t++){this.mtxGain[t]=new Array(this.nSpk);for(var r=0;r<this.nSpk;r++){var n=this.ctx.createGain();n.gain.value=this._decodingMatrix[r][t],this.in.connect(n,t,0),n.connect(this.out,0,r),this.mtxGain[t][r]=n}}}},{key:"_getDefaultSpkConfig",value:function(e){var t=[];switch(e){case 1:t=[[0,0,1],[90,0,1],[180,0,1],[270,0,1],[0,90,1],[0,-90,1]];break;case 2:t=[[180,-31.7161,.5878],[180,31.7161,.5878],[-121.7161,0,.5878],[121.7161,0,.5878],[-90,-58.2839,.5878],[-90,58.2839,.5878],[90,-58.2839,.5878],[90,58.2839,.5878],[-58.2839,0,.5878],[58.2839,0,.5878],[0,-31.7161,.5878],[0,31.7161,.5878]];break;case 3:t=[[-159.0931,0,.5352],[159.0931,0,.5352],[-135,-35.2644,.5352],[-135,35.2644,.5352],[135,-35.2644,.5352],[135,35.2644,.5352],[180,-69.0931,.5352],[180,69.0931,.5352],[-90,-20.9069,.5352],[-90,20.9069,.5352],[90,-20.9069,.5352],[90,20.9069,.5352],[0,-69.0931,.5352],[0,69.0931,.5352],[-45,-35.2644,.5352],[-45,35.2644,.5352],[45,-35.2644,.5352],[45,35.2644,.5352],[-20.9069,0,.5352],[20.9069,0,.5352]];break;default:console.error("unsupported default order:",e)}return t}},{key:"speakerPos",set:function(e){void 0===e&&(e=this._getDefaultSpkConfig(this.order)),this._spkSphPosArray=e,this.out.disconnect(),this._updateDecodeMtx(e)},get:function(){return this._spkSphPosArray}}]),e}();r.default=c},{"./utils.js":25,"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],6:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o);e("get-float-time-domain-data");var u=function(){function e(t){(0,a.default)(this,e),this.ctx=t,this.fftSize=2048,this.in=this.ctx.createChannelSplitter(4),this.out=this.ctx.createChannelMerger(4),this.gains=new Array(3);for(var r=0;r<3;r++)this.gains[r]=this.ctx.createGain(),this.gains[r].gain.value=1/Math.sqrt(3);for(this.analysers=new Array(4),this.analBuffers=new Array(4),r=0;r<4;r++)this.analysers[r]=this.ctx.createAnalyser(),this.analysers[r].fftSize=this.fftSize,this.analysers[r].smoothingTimeConstant=0,this.analBuffers[r]=new Float32Array(this.fftSize);for(this.in.connect(this.out,0,0),this.in.connect(this.analysers[0],0,0),this.in.connect(this.gains[1],1,0),this.in.connect(this.gains[2],2,0),this.in.connect(this.gains[0],3,0),r=0;r<3;r++)this.gains[r].connect(this.analysers[r+1],0,0),this.gains[r].connect(this.out,0,r+1)}return(0,s.default)(e,[{key:"updateBuffers",value:function(){for(var e=0;e<4;e++)this.analysers[e].getFloatTimeDomainData(this.analBuffers[e])}},{key:"computeIntensity",value:function(){for(var e,t,r,n,i,a,o=0,s=0,u=0,c=0,f=0,h=0,l=0,d=0;d<this.fftSize;d++)o+=this.analBuffers[0][d]*this.analBuffers[1][d],s+=this.analBuffers[0][d]*this.analBuffers[2][d],u+=this.analBuffers[0][d]*this.analBuffers[3][d],c+=this.analBuffers[0][d]*this.analBuffers[0][d],f+=this.analBuffers[1][d]*this.analBuffers[1][d],h+=this.analBuffers[2][d]*this.analBuffers[2][d],l+=this.analBuffers[3][d]*this.analBuffers[3][d];return e=[o,s,u],t=Math.sqrt(e[0]*e[0]+e[1]*e[1]+e[2]*e[2]),r=(c+f+h+l)/2,n=1-t/(r+1e-7),i=180*Math.atan2(s,o)/Math.PI,a=180*Math.atan2(e[2],Math.sqrt(e[0]*e[0]+e[1]*e[1]))/Math.PI,[i,a,n,r]}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"get-float-time-domain-data":60}],7:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o);e("get-float-time-domain-data");var u=function(){function e(t){(0,a.default)(this,e),this.ctx=t,this.fftSize=2048,this.in=this.ctx.createChannelSplitter(3),this.out=this.ctx.createChannelMerger(3),this.gains=new Array(2);for(var r=0;r<2;r++)this.gains[r]=this.ctx.createGain(),this.gains[r].gain.value=1/Math.sqrt(3);for(this.analysers=new Array(3),this.analBuffers=new Array(3),r=0;r<3;r++)this.analysers[r]=this.ctx.createAnalyser(),this.analysers[r].fftSize=this.fftSize,this.analysers[r].smoothingTimeConstant=0,this.analBuffers[r]=new Float32Array(this.fftSize);for(this.in.connect(this.out,0,0),this.in.connect(this.analysers[0],0,0),this.in.connect(this.gains[1],1,0),this.in.connect(this.gains[0],2,0),r=0;r<2;r++)this.gains[r].connect(this.analysers[r+1],0,0),this.gains[r].connect(this.out,0,r+1)}return(0,s.default)(e,[{key:"updateBuffers",value:function(){for(var e=0;e<3;e++)this.analysers[e].getFloatTimeDomainData(this.analBuffers[e])}},{key:"computeIntensity",value:function(){for(var e,t,r,n,i,a,o=0,s=0,u=0,c=0,f=0,h=0;h<this.fftSize;h++)o+=this.analBuffers[0][h]*this.analBuffers[1][h],s+=this.analBuffers[0][h]*this.analBuffers[2][h],u+=this.analBuffers[0][h]*this.analBuffers[0][h],c+=this.analBuffers[1][h]*this.analBuffers[1][h],f+=this.analBuffers[2][h]*this.analBuffers[2][h];return e=[o,s],t=Math.sqrt(e[0]*e[0]+e[1]*e[1]),r=(u+c+f)/2,n=1-t/(r+1e-7),i=180*-Math.atan2(s,o)/Math.PI,a=0,[i,a,n,r]}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"get-float-time-domain-data":60}],8:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("spherical-harmonic-transform"),c=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(u),f=function(){function e(t,r){(0,a.default)(this,e),this.initialized=!1,this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.azim=0,this.elev=0,this.gains=new Array(this.nCh),this.gainNodes=new Array(this.nCh),this.in=this.ctx.createGain(),this.in.channelCountMode="explicit",this.in.channelCount=1,this.out=this.ctx.createChannelMerger(this.nCh);for(var n=0;n<this.nCh;n++)this.gainNodes[n]=this.ctx.createGain(),this.gainNodes[n].channelCountMode="explicit",this.gainNodes[n].channelCount=1;this.updateGains();for(var n=0;n<this.nCh;n++)this.in.connect(this.gainNodes[n]),this.gainNodes[n].connect(this.out,0,n);this.initialized=!0}return(0,s.default)(e,[{key:"updateGains",value:function(){for(var e=this.order,t=c.computeRealSH(e,[[this.azim*Math.PI/180,this.elev*Math.PI/180]]),r=0;r<this.nCh;r++)this.gains[r]=t[r][0],this.gainNodes[r].gain.value=this.gains[r]}}]),e}();r.default=f},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"spherical-harmonic-transform":83}],9:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("./utils.js"),c=function(){function e(t,r){(0,a.default)(this,e),this.initialized=!1,this.ctx=t,this.order=r,this.nCh=2*r+1,this.azim=0,this.elev=0,this.gains=new Array(this.nCh),this.gainNodes=new Array(this.nCh),this.in=this.ctx.createGain(),this.in.channelCountMode="explicit",this.in.channelCount=1,this.out=this.ctx.createChannelMerger(this.nCh);for(var n=0;n<this.nCh;n++)this.gainNodes[n]=this.ctx.createGain(),this.gainNodes[n].channelCountMode="explicit",this.gainNodes[n].channelCount=1;this.updateGains();for(var n=0;n<this.nCh;n++)this.in.connect(this.gainNodes[n]),this.gainNodes[n].connect(this.out,0,n);this.initialized=!0}return(0,s.default)(e,[{key:"updateGains",value:function(){for(var e=this.order,t=u.getCircHarmonics(e,[this.azim]),r=0;r<this.nCh;r++)this.gainNodes[r].gain.value=t[r][0]}}]),e}();r.default=c},{"./utils.js":25,"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],10:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r,n){(0,a.default)(this,e),this.ctx=t,this.orderIn=r,this.orderOut=n<r?n:r,this.nChIn=(this.orderIn+1)*(this.orderIn+1),this.nChOut=(this.orderOut+1)*(this.orderOut+1),this.in=this.ctx.createChannelSplitter(this.nChIn),this.out=this.ctx.createChannelMerger(this.nChOut);for(var i=0;i<this.nChOut;i++)this.in.connect(this.out,i,i)}return(0,s.default)(e,[{key:"updateOrder",value:function(e){if(e<=this.orderIn){this.orderOut=e,this.nChOut=(this.orderOut+1)*(this.orderOut+1),this.out.disconnect(),this.out=this.ctx.createChannelMerger(this.nChOut);for(var t=0;t<this.nChOut;t++)this.in.connect(this.out,t,t)}}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],11:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r,n){(0,a.default)(this,e),this.ctx=t,this.orderIn=r,this.orderOut=n<r?n:r,this.nChIn=2*this.orderIn+1,this.nChOut=2*this.orderOut+1,this.in=this.ctx.createChannelSplitter(this.nChIn),this.out=this.ctx.createChannelMerger(this.nChOut);for(var i=0;i<this.nChOut;i++)this.in.connect(this.out,i,i)}return(0,s.default)(e,[{key:"updateOrder",value:function(e){if(e<=this.orderIn){this.orderOut=e,this.nChOut=2*this.orderOut+1,this.out.disconnect(),this.out=this.ctx.createChannelMerger(this.nChOut);for(var t=0;t<this.nChOut;t++)this.in.connect(this.out,t,t)}}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],12:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("spherical-harmonic-transform"),c=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(u),f=function(){function e(t,r){(0,a.default)(this,e),this.ctx=t,this.order=r,this.nCh=(this.order+1)*(this.order+1),this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh),this.gains=new Array(this.nCh),this.orderGains=new Array(this.order+1),this.orderGains.fill(1);for(var n=0;n<this.nCh;n++)this.gains[n]=this.ctx.createGain(),this.in.connect(this.gains[n],n,0),this.gains[n].connect(this.out,0,n)}return(0,s.default)(e,[{key:"updateOrderGains",value:function(){for(var e,t=0;t<this.nCh;t++)e=Math.floor(Math.sqrt(t)),this.gains[t].gain.value=this.orderGains[e]}},{key:"computeMaxRECoeffs",value:function(){var e=this.order;this.orderGains[0]=1;for(var t=0,r=0,n=0,i=1;i<=e;i++)n=c.recurseLegendrePoly(i,[Math.cos(2.406809/(e+1.51))],t,r),this.orderGains[i]=n[0][0],r=t,t=n}}]),e}();r.default=f},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"spherical-harmonic-transform":83}],13:[function(e,t,r){"use strict";function n(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}function i(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var a=e("babel-runtime/helpers/classCallCheck"),o=i(a),s=e("babel-runtime/helpers/createClass"),u=i(s);e("get-float-time-domain-data");var c=e("numeric"),f=n(c),h=e("spherical-harmonic-transform"),l=n(h),d=e("./utils.js"),m=function(){function e(t,r,n){(0,o.default)(this,e),this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.fftSize=2048,this.analysers=new Array(this.nCh),this.analBuffers=new Array(this.nCh),this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh);for(var i=0;i<this.nCh;i++)this.analysers[i]=this.ctx.createAnalyser(),this.analysers[i].fftSize=this.fftSize,this.analysers[i].smoothingTimeConstant=0,this.analBuffers[i]=new Float32Array(this.fftSize);for(var a=0;a<this.nCh;a++)this.in.connect(this.out,a,a),this.in.connect(this.analysers[a],a,0);var s=d.getTdesign(4*r);this.td_dirs_rad=d.deg2rad(s),this.SHmtx=l.computeRealSH(this.order,this.td_dirs_rad),this.mode=n}return(0,u.default)(e,[{key:"updateBuffers",value:function(){for(var e=0;e<this.nCh;e++)this.analysers[e].getFloatTimeDomainData(this.analBuffers[e])}},{key:"computePowermap",value:function(){for(var e=this.td_dirs_rad.length,t=f.dot(f.transpose(this.SHmtx),this.analBuffers),r=new Array(e),n=0;n<e;n++){for(var i=0;i<this.fftSize;i++){var a=0;a+=t[n][i]*t[n][i]}var a=a/this.fftSize;r[n]=[this.td_dirs_rad[n][0],this.td_dirs_rad[n][1],a]}if(0==this.mode)return r;if(1==this.mode){return l.forwardSHT(2*this.order,r)}}}]),e}();r.default=m},{"./utils.js":25,"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"get-float-time-domain-data":60,numeric:65,"spherical-harmonic-transform":83}],14:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o);e("get-float-time-domain-data");var u=function(){function e(t,r){(0,a.default)(this,e),this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.fftSize=2048,this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh),this.analysers=new Array(this.nCh),this.analBuffers=new Array(this.nCh);for(var n=0;n<this.nCh;n++)this.analysers[n]=this.ctx.createAnalyser(),this.analysers[n].fftSize=this.fftSize,this.analysers[n].smoothingTimeConstant=0,this.analBuffers[n]=new Float32Array(this.fftSize),this.in.connect(this.analysers[n],n,0),this.analysers[n].connect(this.out,0,n)}return(0,s.default)(e,[{key:"updateBuffers",value:function(){for(var e=0;e<this.nCh;e++)this.analysers[e].getFloatTimeDomainData(this.analBuffers[e])}},{key:"computeRMS",value:function(){var e=new Array(this.nCh);e.fill(0);for(var t=0;t<this.nCh;t++){for(var r=0;r<this.fftSize;r++)e[t]=e[t]+this.analBuffers[t][r]*this.analBuffers[t][r];e[t]=Math.sqrt(e[t]/this.fftSize)}return e}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"get-float-time-domain-data":60}],15:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r){(0,a.default)(this,e),this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.mirrorPlane=0,this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh),this.gains=new Array(this.nCh);for(var n=0;n<this.nCh;n++)this.gains[n]=this.ctx.createGain(),this.gains[n].gain.value=1,this.in.connect(this.gains[n],n,0),this.gains[n].connect(this.out,0,n)}return(0,s.default)(e,[{key:"reset",value:function(){for(var e=0;e<this.nCh;e++)this.gains[e].gain.value=1}},{key:"mirror",value:function(e){switch(e){case 0:this.mirrorPlane=0,this.reset();break;case 1:this.reset(),this.mirrorPlane=1;for(var t,r=0;r<=this.order;r++)for(var n=-r;n<=r;n++)t=r*r+r+n,(n<0&&n%2==0||n>0&&n%2==1)&&(this.gains[t].gain.value=-1);break;case 2:this.reset(),this.mirrorPlane=2;for(var t,r=0;r<=this.order;r++)for(var n=-r;n<=r;n++)t=r*r+r+n,n<0&&(this.gains[t].gain.value=-1);break;case 3:this.reset(),this.mirrorPlane=3;for(var t,r=0;r<=this.order;r++)for(var n=-r;n<=r;n++)t=r*r+r+n,(n+r)%2==1&&(this.gains[t].gain.value=-1);break;default:console.log("The mirroring planes can be either 1 (yz), 2 (xz), 3 (xy), or 0 (no mirroring). Value set to 0."),this.mirrorPlane=0,this.reset()}}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],16:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r){(0,a.default)(this,e),this.ctx=t,this.order=r,this.nCh=2*r+1,this.mirrorPlane=0,this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh),this.gains=new Array(this.nCh);for(var n=0;n<this.nCh;n++)this.gains[n]=this.ctx.createGain(),this.gains[n].gain.value=1,this.in.connect(this.gains[n],n,0),this.gains[n].connect(this.out,0,n)}return(0,s.default)(e,[{key:"reset",value:function(){for(var e=0;e<this.nCh;e++)this.gains[e].gain.value=1}},{key:"mirror",value:function(e){switch(e){case 0:this.mirrorPlane=0,this.reset();break;case 1:this.reset(),this.mirrorPlane=1;for(var t=2;t<this.nCh;t++)this.gains[t].gain.value=-1,t%2!=0&&(t+=2);break;case 2:this.reset(),this.mirrorPlane=2;for(var t=0;t<this.nCh;t++)t%2!=0&&(this.gains[t].gain.value=-1);break;case 3:console.log("up-down mirroring in 2D mode not possible");break;default:console.log("The mirroring planes can be either 1 (yz), 2 (xz) or 0 (no mirroring). Value set to 0."),this.mirrorPlane=0,this.reset()}}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],17:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("spherical-harmonic-transform"),c=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(u),f=function(){function e(t,r){(0,a.default)(this,e),this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.yaw=0,this.pitch=0,this.roll=0,this.rotMtx=numeric.identity(this.nCh),this.rotMtxNodes=new Array(this.order),this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh);for(var n=1;n<=this.order;n++){for(var i=new Array(2*n+1),o=0;o<2*n+1;o++){i[o]=new Array(2*n+1);for(var s=0;s<2*n+1;s++)i[o][s]=this.ctx.createGain(),i[o][s].gain.value=o==s?1:0}this.rotMtxNodes[n-1]=i}this.in.connect(this.out,0,0);var u=1;for(n=1;n<=this.order;n++){for(o=0;o<2*n+1;o++)for(s=0;s<2*n+1;s++)this.in.connect(this.rotMtxNodes[n-1][o][s],u+s,0),this.rotMtxNodes[n-1][o][s].connect(this.out,0,u+o);u=u+2*n+1}}return(0,s.default)(e,[{key:"updateRotMtx",value:function(){var e=this.yaw*Math.PI/180,t=this.pitch*Math.PI/180,r=this.roll*Math.PI/180;this.rotMtx=c.getSHrotMtx(c.yawPitchRoll2Rzyx(e,t,r),this.order);for(var n=1,i=1;i<this.order+1;i++){for(var a=0;a<2*i+1;a++)for(var o=0;o<2*i+1;o++)this.rotMtxNodes[i-1][a][o].gain.value=this.rotMtx[n+a][n+o];n=n+2*i+1}}}]),e}();r.default=f},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"spherical-harmonic-transform":83}],18:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r){(0,a.default)(this,e),this.ctx=t,this.order=r,this.nCh=2*r+1,this.yaw=0,this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createChannelMerger(this.nCh),this.rotMtxNodes=new Array(2*this.order),this.in.connect(this.out,0,0);for(var n=0;n<2*this.order;n+=2){var i=new Array(2);i[0]=this.ctx.createGain(),i[1]=this.ctx.createGain();var o=new Array(2);o[0]=this.ctx.createGain(),o[1]=this.ctx.createGain(),this.rotMtxNodes[n]=i,this.rotMtxNodes[n+1]=o,this.in.connect(this.rotMtxNodes[n][0],n+1,0),this.rotMtxNodes[n][0].connect(this.out,0,n+1),this.in.connect(this.rotMtxNodes[n][1],n+2,0),this.rotMtxNodes[n][1].connect(this.out,0,n+1),this.in.connect(this.rotMtxNodes[n+1][0],n+1,0),this.rotMtxNodes[n+1][0].connect(this.out,0,n+2),this.in.connect(this.rotMtxNodes[n+1][1],n+2,0),this.rotMtxNodes[n+1][1].connect(this.out,0,n+2)}this.updateRotMtx()}return(0,s.default)(e,[{key:"updateRotMtx",value:function(){for(var e=this.yaw*Math.PI/180,t=1,r=0;r<2*this.order;r+=2)this.rotMtxNodes[r][0].gain.value=Math.cos(t*e),this.rotMtxNodes[r][1].gain.value=Math.sin(t*e),this.rotMtxNodes[r+1][0].gain.value=-Math.sin(t*e),this.rotMtxNodes[r+1][1].gain.value=Math.cos(t*e),t++}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],19:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("spherical-harmonic-transform"),c=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(u),f=function(){function e(t,r){(0,a.default)(this,e),this.initialized=!1,this.ctx=t,this.order=r,this.nCh=(r+1)*(r+1),this.azim=0,this.elev=0,this.vmicGains=new Array(this.nCh),this.vmicGainNodes=new Array(this.nCh),this.vmicCoeffs=new Array(this.order+1),this.vmicPattern="hypercardioid",this.in=this.ctx.createChannelSplitter(this.nCh),this.out=this.ctx.createGain();for(var n=0;n<this.nCh;n++)this.vmicGainNodes[n]=this.ctx.createGain();for(this.SHxyz=new Array(this.nCh),this.SHxyz.fill(0),this.updatePattern(),this.updateOrientation(),n=0;n<this.nCh;n++)this.in.connect(this.vmicGainNodes[n],n,0),this.vmicGainNodes[n].connect(this.out);this.initialized=!0}return(0,s.default)(e,[{key:"updatePattern",value:function(){function e(e){for(var t=new Array(e+1),r=(e+1)*(e+1),n=0;n<=e;n++)t[n]=1/r;return t}switch(this.vmicPattern){case"cardioid":this.vmicCoeffs=function(e){for(var t=new Array(e+1),r=0;r<=e;r++)t[r]=c.factorial(e)*c.factorial(e)/(c.factorial(e+r+1)*c.factorial(e-r));return t}(this.order);break;case"supercardioid":this.vmicCoeffs=function(e){switch(e){case 1:var t=[.366,.2113];break;case 2:var t=[.2362,.1562,.059];break;case 3:var t=[.1768,.1281,.0633,.0175];break
;case 4:var t=[.1414,.1087,.0623,.0247,.0054];break;default:return void console.error("Orders should be in the range of 1-4 at the moment.")}return t}(this.order);break;case"hypercardioid":this.vmicCoeffs=e(this.order);break;case"max_rE":this.vmicCoeffs=function(e){var t=new Array(e+1);t[0]=1;for(var r=0,n=0,i=0,a=1;a<e+1;a++)i=c.recurseLegendrePoly(a,[Math.cos(2.406809/(e+1.51))],r,n),t[a]=i[0][0],n=r,r=i;for(var o=0,a=0;a<=e;a++)o+=t[a]*(2*a+1);for(var a=0;a<=e;a++)t[a]=t[a]/o;return t}(this.order);break;default:this.vmicPattern="hypercardioid",this.vmicCoeffs=e(this.order)}this.updateGains()}},{key:"updateOrientation",value:function(){for(var e=this.azim*Math.PI/180,t=this.elev*Math.PI/180,r=c.computeRealSH(this.order,[[e,t]]),n=0;n<this.nCh;n++)this.SHxyz[n]=r[n][0];this.updateGains()}},{key:"updateGains",value:function(){for(var e,t=0;t<=this.order;t++)for(var r=-t;r<=t;r++)e=t*t+t+r,this.vmicGains[e]=this.vmicCoeffs[t]*this.SHxyz[e];for(var n=0;n<this.nCh;n++)this.vmicGainNodes[n].gain.value=this.vmicGains[n]}}]),e}();r.default=f},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"spherical-harmonic-transform":83}],20:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=function(){function e(t,r,n,i){function o(e,t){return("000000000"+e).substr(-t)}(0,a.default)(this,e),this.context=t,this.order=r,this.nCh=(r+1)*(r+1),this.nChGroups=Math.ceil(this.nCh/8),this.buffers=new Array,this.loadCount=0,this.loaded=!1,this.onLoad=i,this.urls=new Array(this.nChGroups);var s=n.slice(n.length-3,n.length);this.fileExt=s;for(var u=0;u<this.nChGroups;u++)u==this.nChGroups-1?this.urls[u]=n.slice(0,n.length-4)+"_"+o(8*u+1,2)+"-"+o(this.nCh,2)+"ch."+s:this.urls[u]=n.slice(0,n.length-4)+"_"+o(8*u+1,2)+"-"+o(8*u+8,2)+"ch."+s}return(0,s.default)(e,[{key:"loadBuffers",value:function(e,t){var r=new XMLHttpRequest;r.open("GET",e,!0),r.responseType="arraybuffer";var n=this;r.onload=function(){n.context.decodeAudioData(r.response,function(r){if(!r)return void alert("error decoding file data: "+e);n.buffers[t]=r,++n.loadCount==n.nChGroups&&(n.loaded=!0,n.concatBuffers(),console.log("HOAloader: all buffers loaded and concatenated"),n.onLoad(n.concatBuffer))},function(t){alert("Browser cannot decode audio data:  "+e+"\n\nError: "+t+"\n\n(If you re using Safari and get a null error, this is most likely due to Apple's shady plan going on to stop the .ogg format from easing web developer's life :)")})},r.onerror=function(){alert("HOAloader: XHR error")},r.send()}},{key:"load",value:function(){for(var e=0;e<this.nChGroups;++e)this.loadBuffers(this.urls[e],e)}},{key:"concatBuffers",value:function(){if(this.loaded){var e=this.nCh,t=this.nChGroups,r=this.buffers[0].length;this.buffers.forEach(function(e){r=Math.max(r,e.length)});var n=this.buffers[0].sampleRate,i=[1,2,3,4,5,6,7,8];"ogg"==this.fileExt.toLowerCase()&&(console.log("Loading of 8chan OGG files [Chrome/Firefox]: remap channels to correct order!"),i=[1,3,2,7,8,5,6,4]),this.concatBuffer=this.context.createBuffer(e,r,n);for(var a=0;a<t;a++)for(var o=0;o<this.buffers[a].numberOfChannels;o++)this.concatBuffer.getChannelData(8*a+o).set(this.buffers[a].getChannelData(i[o]-1))}}}]),e}();r.default=u},{"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],21:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("./utils.js"),c=function(){function e(t,r,n){(0,a.default)(this,e),this.context=t,this.order=r,this.nCh=2*r+1,this.onLoad=n,this.vls_dirs_deg=u.sampleCircle(2*this.order+2),this.nVLS=this.vls_dirs_deg.length,this.nearestLookupRes=[5,5]}return(0,s.default)(e,[{key:"load",value:function(e){var t=this,r=new XMLHttpRequest;r.open("GET",e,!0),r.responseType="json",r.onload=function(){t.parseHrirFromJSON(r.response),t.nearestLookup=u.createNearestLookup(t.hrir_dirs_deg,t.nearestLookupRes);var e=u.findNearest(t.vls_dirs_deg,t.nearestLookup,t.nearestLookupRes);t.nearest_dirs_deg=t.getClosestDirs(e,t.hrir_dirs_deg),t.vls_hrirs=t.getClosestHrirFilters(e,t.hrirs),t.computeDecFilters()},r.send()}},{key:"parseHrirFromJSON",value:function(e){var t=this;this.fs=e.leaves[6].data[0],this.nHrirs=e.leaves[4].data.length,this.nSamples=e.leaves[8].data[0][1].length,this.hrir_dirs_deg=[],e.leaves[4].data.forEach(function(e){t.hrir_dirs_deg.push([e[0],e[1]])}),this.hrirs=[],e.leaves[8].data.forEach(function(e){var r=new Float64Array(e[0]),n=new Float64Array(e[1]);t.hrirs.push([r,n])})}},{key:"getClosestDirs",value:function(e,t){for(var r=e.length,n=[],i=0;i<r;i++)n.push(t[e[i]]);return n}},{key:"getClosestHrirFilters",value:function(e,t){for(var r=e.length,n=[],i=0;i<r;i++)n.push(t[e[i]]);return n}},{key:"computeDecFilters",value:function(){var e=[];e.push(1);for(var t=1;t<this.order+1;t++)e.push(Math.cos(t*Math.PI/(2*this.order+2))),e.push(Math.cos(t*Math.PI/(2*this.order+2)));var r=numeric.diag(e);this.decodingMatrix=numeric.transpose(u.getCircHarmonics(this.order,u.getColumn(this.vls_dirs_deg,0))),this.decodingMatrix=numeric.dot(this.decodingMatrix,r),this.decodingMatrix=numeric.mul(2*Math.PI/this.vls_dirs_deg.length,this.decodingMatrix),this.hoaBuffer=this.getHoaFilterFromHrirFilter(this.nCh,this.nSamples,this.fs,this.vls_hrirs,this.decodingMatrix),this.onLoad(this.hoaBuffer)}},{key:"getHoaFilterFromHrirFilter",value:function(e,t,r,n,i){t>n[0][0].length&&(t=n[0][0].length);for(var a=this.context.createBuffer(e,t,r),o=0;o<e;o++){for(var s=new Float32Array(t),u=0;u<n.length;u++)for(var c=0;c<t;c++)s[c]+=i[u][o]*n[u][0][c];a.getChannelData(o).set(s)}return a}}]),e}();r.default=c},{"./utils.js":25,"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],22:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("serve-sofa-hrir"),c=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(u),f=e("./utils.js"),h=function(){function e(t,r,n){(0,a.default)(this,e),this.context=t,this.order=r,this.nCh=(r+1)*(r+1),this.onLoad=n,this.hrtfSet=new c.HrtfSet({audioContext:this.context,coordinateSystem:"sofaSpherical"}),this.wishedSpeakerPos=f.getTdesign(2*this.order)}return(0,s.default)(e,[{key:"load",value:function(e){var t=this;this.hrtfSet.load(e).then(function(){var e=[];t.hrirBuffer=[];for(var r=0;r<t.wishedSpeakerPos.length;r++)e.push(t.hrtfSet.nearest(t.wishedSpeakerPos[r]).position),t.hrirBuffer.push(t.hrtfSet.nearest(t.wishedSpeakerPos[r]).fir);for(var n=0,i=0;i<t.wishedSpeakerPos.length;i++)t.wishedSpeakerPos[i][0]<0&&(t.wishedSpeakerPos[i][0]+=360),n+=Math.sqrt(Math.pow(t.wishedSpeakerPos[i][0]-e[i][0],2)+Math.pow(t.wishedSpeakerPos[i][1]-e[i][1],2));console.log("summed / average angular dist between asked and present pos:",Math.round(100*n)/100,"deg /",Math.round(n/t.wishedSpeakerPos.length*100)/100,"deg"),t.decodingMatrix=f.getAmbisonicDecMtx(e,t.order),t.hoaBuffer=t.getHoaFilterFromHrirFilter(),t.onLoad(t.hoaBuffer)})}},{key:"getHoaFilterFromHrirFilter",value:function(){for(var e=this.hrirBuffer[0].length,t=this.hrirBuffer[0].sampleRate,r=this.context.createBuffer(this.nCh,e,t),n=0;n<this.nCh;n++){for(var i=new Float32Array(e),a=0;a<this.hrirBuffer.length;a++)for(var o=0;o<e;o++)i[o]+=this.decodingMatrix[a][n]*this.hrirBuffer[a].getChannelData(0)[o];r.getChannelData(n).set(i)}return r}}]),e}();r.default=h},{"./utils.js":25,"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29,"serve-sofa-hrir":74}],23:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),u=e("./utils.js"),c=function(){function e(t,r,n){(0,a.default)(this,e),this.context=t,this.order=r,this.nCh=(r+1)*(r+1),this.onLoad=n,this.vls_dirs_deg=u.getTdesign(2*this.order),this.nVLS=this.vls_dirs_deg.length,this.nearestLookupRes=[5,5]}return(0,s.default)(e,[{key:"load",value:function(e){var t=this,r=new XMLHttpRequest;r.open("GET",e,!0),r.responseType="json",r.onload=function(){t.parseHrirFromJSON(r.response),t.nearestLookup=u.createNearestLookup(t.hrir_dirs_deg,t.nearestLookupRes);var e=u.findNearest(t.vls_dirs_deg,t.nearestLookup,t.nearestLookupRes);t.nearest_dirs_deg=t.getClosestDirs(e,t.hrir_dirs_deg),t.vls_hrirs=t.getClosestHrirFilters(e,t.hrirs),t.computeDecFilters()},r.send()}},{key:"parseHrirFromJSON",value:function(e){var t=this;this.fs=e.leaves[6].data[0],this.nHrirs=e.leaves[4].data.length,this.nSamples=e.leaves[8].data[0][1].length,this.hrir_dirs_deg=[],e.leaves[4].data.forEach(function(e){t.hrir_dirs_deg.push([e[0],e[1]])}),this.hrirs=[],e.leaves[8].data.forEach(function(e){var r=new Float64Array(e[0]),n=new Float64Array(e[1]);t.hrirs.push([r,n])})}},{key:"getClosestDirs",value:function(e,t){for(var r=e.length,n=[],i=0;i<r;i++)n.push(t[e[i]]);return n}},{key:"getClosestHrirFilters",value:function(e,t){for(var r=e.length,n=[],i=0;i<r;i++)n.push(t[e[i]]);return n}},{key:"computeDecFilters",value:function(){this.decodingMatrix=u.getAmbisonicDecMtx(this.nearest_dirs_deg,this.order),this.hoaBuffer=this.getHoaFilterFromHrirFilter(this.nCh,this.nSamples,this.fs,this.vls_hrirs,this.decodingMatrix),this.onLoad(this.hoaBuffer)}},{key:"getHoaFilterFromHrirFilter",value:function(e,t,r,n,i){t>n[0][0].length&&(t=n[0][0].length);for(var a=this.context.createBuffer(e,t,r),o=0;o<e;o++){for(var s=new Float32Array(t),u=0;u<n.length;u++)for(var c=0;c<t;c++)s[c]+=i[u][o]*n[u][0][c];a.getChannelData(o).set(s)}return a}}]),e}();r.default=c},{"./utils.js":25,"babel-runtime/helpers/classCallCheck":28,"babel-runtime/helpers/createClass":29}],24:[function(e,t,r){"use strict";function n(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}function i(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(r,"__esModule",{value:!0}),r.utils=r.converters=r.HRIRloader_ircam=r.HRIRloader2D_local=r.HRIRloader_local=r.HOAloader=r.intensityAnalyser2D=r.intensityAnalyser=r.powermapAnalyser=r.rmsAnalyser=r.virtualMic=r.convolver=r.decoder=r.binDecoder2D=r.binDecoder=r.sceneMirror2D=r.sceneMirror=r.sceneRotator2D=r.sceneRotator=r.orderWeight=r.orderLimiter2D=r.orderLimiter=r.monoEncoder2D=r.monoEncoder=void 0;var a=e("./ambi-monoEncoder");Object.defineProperty(r,"monoEncoder",{enumerable:!0,get:function(){return i(a).default}});var o=e("./ambi-monoEncoder2D");Object.defineProperty(r,"monoEncoder2D",{enumerable:!0,get:function(){return i(o).default}});var s=e("./ambi-orderLimiter");Object.defineProperty(r,"orderLimiter",{enumerable:!0,get:function(){return i(s).default}});var u=e("./ambi-orderLimiter2D");Object.defineProperty(r,"orderLimiter2D",{enumerable:!0,get:function(){return i(u).default}});var c=e("./ambi-orderWeight");Object.defineProperty(r,"orderWeight",{enumerable:!0,get:function(){return i(c).default}});var f=e("./ambi-sceneRotator");Object.defineProperty(r,"sceneRotator",{enumerable:!0,get:function(){return i(f).default}});var h=e("./ambi-sceneRotator2D");Object.defineProperty(r,"sceneRotator2D",{enumerable:!0,get:function(){return i(h).default}});var l=e("./ambi-sceneMirror");Object.defineProperty(r,"sceneMirror",{enumerable:!0,get:function(){return i(l).default}});var d=e("./ambi-sceneMirror2D");Object.defineProperty(r,"sceneMirror2D",{enumerable:!0,get:function(){return i(d).default}});var m=e("./ambi-binauralDecoder");Object.defineProperty(r,"binDecoder",{enumerable:!0,get:function(){return i(m).default}});var p=e("./ambi-binauralDecoder2D");Object.defineProperty(r,"binDecoder2D",{enumerable:!0,get:function(){return i(p).default}});var v=e("./ambi-decoder");Object.defineProperty(r,"decoder",{enumerable:!0,get:function(){return i(v).default}});var g=e("./ambi-convolver");Object.defineProperty(r,"convolver",{enumerable:!0,get:function(){return i(g).default}});var y=e("./ambi-virtualMic");Object.defineProperty(r,"virtualMic",{enumerable:!0,get:function(){return i(y).default}});var b=e("./ambi-rmsAnalyser");Object.defineProperty(r,"rmsAnalyser",{enumerable:!0,get:function(){return i(b).default}});var M=e("./ambi-powermapAnalyser");Object.defineProperty(r,"powermapAnalyser",{enumerable:!0,get:function(){return i(M).default}});var x=e("./ambi-intensityAnalyser");Object.defineProperty(r,"intensityAnalyser",{enumerable:!0,get:function(){return i(x).default}});var w=e("./ambi-intensityAnalyser2D");Object.defineProperty(r,"intensityAnalyser2D",{enumerable:!0,get:function(){return i(w).default}});var _=e("./hoa-loader");Object.defineProperty(r,"HOAloader",{enumerable:!0,get:function(){return i(_).default}});var S=e("./hrir-loader_local");Object.defineProperty(r,"HRIRloader_local",{enumerable:!0,get:function(){return i(S).default}});var C=e("./hrir-loader2D_local");Object.defineProperty(r,"HRIRloader2D_local",{enumerable:!0,get:function(){return i(C).default}});var P=e("./hrir-loader_ircam");Object.defineProperty(r,"HRIRloader_ircam",{enumerable:!0,get:function(){return i(P).default}});var A=e("./ambi-converters"),k=n(A),j=e("./utils"),T=n(j);r.converters=k,r.utils=T},{"./ambi-binauralDecoder":1,"./ambi-binauralDecoder2D":2,"./ambi-converters":3,"./ambi-convolver":4,"./ambi-decoder":5,"./ambi-intensityAnalyser":6,"./ambi-intensityAnalyser2D":7,"./ambi-monoEncoder":8,"./ambi-monoEncoder2D":9,"./ambi-orderLimiter":10,"./ambi-orderLimiter2D":11,"./ambi-orderWeight":12,"./ambi-powermapAnalyser":13,"./ambi-rmsAnalyser":14,"./ambi-sceneMirror":15,"./ambi-sceneMirror2D":16,"./ambi-sceneRotator":17,"./ambi-sceneRotator2D":18,"./ambi-virtualMic":19,"./hoa-loader":20,"./hrir-loader2D_local":21,"./hrir-loader_ircam":22,"./hrir-loader_local":23,"./utils":25}],25:[function(e,t,r){"use strict";function n(e){for(var t=[],r=Math.PI/180,n=0;n<e.length;n++)3==e[0].length?t.push([e[n][0]*r,e[n][1]*r,e[n][2]]):2==e[0].length&&t.push([e[n][0]*r,e[n][1]*r]);return t}function i(e){for(var t=[],r=180/Math.PI,n=0;n<e.length;n++)3==e[0].length?t.push([e[n][0]*r,e[n][1]*r,e[n][2]]):2==e[0].length&&t.push([e[n][0]*r,e[n][1]*r]);return t}function a(e,t){return e.map(function(e){return e[t]})}function o(e){for(var t=[],r=360/e,n=0,i=0;i<e;i++)t.push([n,0,1]),n+=r;return t}function s(e,t){var r=e,n=2*r+1,i=t.length,a=new Array(n),o=new Array(i);t=l.mul(t,Math.PI/180),o.fill(1/Math.sqrt(2*Math.PI)),a[0]=o;for(var s=0;s<r;s++)a[2*s+1]=l.div(l.sin(l.mul(-(s+1),t)),Math.sqrt(Math.PI)),a[2*s+2]=l.div(l.cos(l.mul(s+1,t)),Math.sqrt(Math.PI));return a}function u(e,t){for(var r=n(e),i=d.convertSph2Cart(r),a=m(i),o=a.length,s=r.length,u=new Array(o),c=0;c<o;c++){for(var f=new Array(3),v=0;v<3;v++)f[v]=i[a[c][v]];for(var g=l.inv(f),y=[],b=0;b<3;b++)for(var M=0;M<3;M++)y.push(g[M][b]);u[c]=y}var x=h(2*t),w=n(x),_=p(w,a,u,s);_=l.transpose(_);var S=d.computeRealSH(t,w);S=l.transpose(S);var C=w.length,P=l.dotMMsmall(_,S);return P=l.mul(1/C,P)}function c(e,t){var r=e.length,i=d.convertSph2Cart(n(e)),a=Math.round(360/t[0])+1,o=Math.round(180/t[1])+1,s=new Array(a);s[0]=-180;for(var u=1;u<a;u++)s[u]=s[u-1]+t[0];for(var c=a*o,f=new Array(c),h=0;h<c;h++)for(var m=[[h%a*t[0]-180,Math.floor(h/a)*t[1]-90]],p=d.convertSph2Cart(n(m)),v=1e3,g=0;g<r;g++){var y=l.sum(l.pow(l.sub(p[0],i[g]),2));y<v&&(f[h]=g,v=y)}return f}function f(e,t,r){for(var n=e.length,i=[],a=[],o=0;o<n;o++)i.push(e[o][0]+180),a.push(e[o][1]+90);for(var s=Math.round(360/r[0])+1,u=l.round(l.div(l.mod(i,360),r[0])),c=l.round(l.div(a,r[1])),f=l.add(l.mul(c,s),u,1),h=[],d=0;d<n;d++)h.push(t[f[d]]);return h}function h(e){if(e>21)throw new Error("Designs of order greater than 21 are not implemented");if(e<1)throw new Error("Order should be at least 1")
;return[[[0,0,1],[180,0,1]],[[45,35.26,1],[-45,-35.26,1],[135,-35.26,1],[-135,35.26,1]],[[0,0,1],[180,0,1],[90,0,1],[-90,0,1],[0,90,1],[0,-90,1]],[[0,-31.72,1],[-58.28,0,1],[-90,58.28,1],[0,31.72,1],[-121.72,0,1],[90,-58.28,1],[180,-31.72,1],[121.72,0,1],[90,58.28,1],[180,31.72,1],[58.28,0,1],[-90,-58.28,1]],[[0,-31.72,1],[-58.28,0,1],[-90,58.28,1],[0,31.72,1],[-121.72,0,1],[90,-58.28,1],[180,-31.72,1],[121.72,0,1],[90,58.28,1],[180,31.72,1],[58.28,0,1],[-90,-58.28,1]],[[26,15.46,1],[-26,-15.46,1],[17.11,-24.99,1],[-17.11,24.99,1],[154,-15.46,1],[-154,15.46,1],[162.89,24.99,1],[-162.89,-24.99,1],[72.89,24.99,1],[107.11,-24.99,1],[116,15.46,1],[64,-15.46,1],[-107.11,24.99,1],[-72.89,-24.99,1],[-64,15.46,1],[-116,-15.46,1],[32.25,60.03,1],[-147.75,60.03,1],[-57.75,60.03,1],[122.25,60.03,1],[-32.25,-60.03,1],[147.75,-60.03,1],[57.75,-60.03,1],[-122.25,-60.03,1]],[[26,15.46,1],[-26,-15.46,1],[17.11,-24.99,1],[-17.11,24.99,1],[154,-15.46,1],[-154,15.46,1],[162.89,24.99,1],[-162.89,-24.99,1],[72.89,24.99,1],[107.11,-24.99,1],[116,15.46,1],[64,-15.46,1],[-107.11,24.99,1],[-72.89,-24.99,1],[-64,15.46,1],[-116,-15.46,1],[32.25,60.03,1],[-147.75,60.03,1],[-57.75,60.03,1],[122.25,60.03,1],[-32.25,-60.03,1],[147.75,-60.03,1],[57.75,-60.03,1],[-122.25,-60.03,1]],[[-31.11,53.65,1],[110.82,30.5,1],[148.89,53.65,1],[32.21,-17.83,1],[69.18,-30.5,1],[-32.21,17.83,1],[-69.18,30.5,1],[-147.79,-17.83,1],[-110.82,-30.5,1],[147.79,17.83,1],[31.11,-53.65,1],[-148.89,-53.65,1],[-21.25,-47.78,1],[-108.2,38.78,1],[158.75,-47.78,1],[139.77,-14.09,1],[-71.8,-38.78,1],[-139.77,14.09,1],[71.8,38.78,1],[-40.23,-14.09,1],[108.2,-38.78,1],[40.23,14.09,1],[21.25,47.78,1],[-158.75,47.78,1],[106.65,-2.55,1],[-2.66,-16.63,1],[-73.35,-2.55,1],[-98.84,73.16,1],[-177.34,16.63,1],[98.84,-73.16,1],[177.34,-16.63,1],[81.16,73.16,1],[2.66,16.63,1],[-81.16,-73.16,1],[-106.65,2.55,1],[73.35,2.55,1]],[[20.75,-3.55,1],[-20.75,3.55,1],[-3.8,-20.7,1],[3.8,20.7,1],[159.25,3.55,1],[-159.25,-3.55,1],[-176.2,20.7,1],[176.2,-20.7,1],[93.8,20.7,1],[86.2,-20.7,1],[110.75,-3.55,1],[69.25,3.55,1],[-86.2,20.7,1],[-93.8,-20.7,1],[-69.25,-3.55,1],[-110.75,3.55,1],[-9.94,68.97,1],[170.06,68.97,1],[-99.94,68.97,1],[80.06,68.97,1],[9.94,-68.97,1],[-170.06,-68.97,1],[99.94,-68.97,1],[-80.06,-68.97,1],[42.15,17.57,1],[-42.15,-17.57,1],[23.12,-39.77,1],[-23.12,39.77,1],[137.85,-17.57,1],[-137.85,17.57,1],[156.88,39.77,1],[-156.88,-39.77,1],[66.88,39.77,1],[113.12,-39.77,1],[132.15,17.57,1],[47.85,-17.57,1],[-113.12,39.77,1],[-66.88,-39.77,1],[-47.85,17.57,1],[-132.15,-17.57,1],[25.26,44.98,1],[-154.74,44.98,1],[-64.74,44.98,1],[115.26,44.98,1],[-25.26,-44.98,1],[154.74,-44.98,1],[64.74,-44.98,1],[-115.26,-44.98,1]],[[144.09,-21.45,1],[-33.81,-48.92,1],[-35.91,-21.45,1],[-115.87,33.09,1],[-146.19,48.92,1],[115.87,-33.09,1],[146.19,-48.92,1],[64.13,33.09,1],[33.81,48.92,1],[-64.13,-33.09,1],[-144.09,21.45,1],[35.91,21.45,1],[-45.53,1.95,1],[177.26,44.44,1],[134.47,1.95,1],[87.21,-45.49,1],[2.74,-44.44,1],[-87.21,45.49,1],[-2.74,44.44,1],[-92.79,-45.49,1],[-177.26,-44.44,1],[92.79,45.49,1],[45.53,-1.95,1],[-134.47,-1.95,1],[15.59,-73.34,1],[-85.4,16.04,1],[-164.41,-73.34,1],[163.92,4.42,1],[-94.6,-16.04,1],[-163.92,-4.42,1],[94.6,16.04,1],[-16.08,4.42,1],[85.4,-16.04,1],[16.08,-4.42,1],[-15.59,73.34,1],[164.41,73.34,1],[-60.02,25.27,1],[151.41,26.86,1],[119.98,25.27,1],[46.63,-51.57,1],[28.59,-26.86,1],[-46.63,51.57,1],[-28.59,26.86,1],[-133.37,-51.57,1],[-151.41,-26.86,1],[133.37,51.57,1],[60.02,-25.27,1],[-119.98,-25.27,1],[-109.94,6.91,1],[172.65,-19.79,1],[70.06,6.91,1],[-70.44,-68.94,1],[7.35,19.79,1],[70.44,68.94,1],[-7.35,-19.79,1],[109.56,-68.94,1],[-172.65,19.79,1],[-109.56,68.94,1],[109.94,-6.91,1],[-70.06,-6.91,1]],[[132.93,7.69,1],[-83.93,-23.73,1],[8.47,23.51,1],[-113.34,70.42,1],[-103.27,-9.9,1],[-33.24,-70.75,1],[21.86,-26.46,1],[-156.54,47.78,1],[-64.26,-7.72,1],[165.78,44.53,1],[-25.2,26.39,1],[-97,-44.66,1],[27.85,9.77,1],[153.21,-47.71,1],[-155.06,7.45,1],[-11.84,-23.59,1],[80.54,23.72,1],[-42.06,70.44,1],[-31.22,-9.84,1],[38.84,-70.5,1],[93.76,-26.29,1],[-84.76,47.61,1],[7.76,-7.52,1],[-122.28,44.29,1],[46.8,26.64,1],[-24.77,-44.57,1],[99.89,9.91,1],[-134.78,-47.96,1],[-83.09,7.3,1],[60.13,-23.34,1],[152.64,23.64,1],[29.76,70.68,1],[40.78,-9.58,1],[110.18,-70.39,1],[165.65,-26.43,1],[-12.99,47.75,1],[79.74,-7.31,1],[-50.52,44.26,1],[118.92,26.71,1],[47.22,-44.31,1],[171.93,9.76,1],[-62.51,-48.04,1],[-11.12,7.44,1],[132.02,-23.33,1],[-135.36,23.39,1],[102.37,70.82,1],[112.74,-9.49,1],[-178.3,-70.58,1],[-122.32,-26.67,1],[59.08,48,1],[151.7,-7.38,1],[21.38,44.5,1],[-169.01,26.5,1],[118.98,-44.25,1],[-116.09,9.52,1],[9.65,-47.83,1],[60.89,7.68,1],[-156.02,-23.57,1],[-63.46,23.31,1],[174.93,70.66,1],[-175.29,-9.68,1],[-105.95,-70.8,1],[-50.19,-26.7,1],[131.36,48.01,1],[-136.3,-7.64,1],[93.56,44.67,1],[-97.08,26.3,1],[-169.16,-44.46,1],[-44.13,9.52,1],[81.48,-47.62,1]],[[-154.47,7.9,1],[162.15,-63.36,1],[25.53,7.9,1],[-81.26,-25.27,1],[17.85,63.36,1],[81.26,25.27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e[0]=i*Math.sin(2*Math.PI*r),e[1]=i*Math.cos(2*Math.PI*r),e[2]=a*Math.sin(2*Math.PI*n),e[3]=a*Math.cos(2*Math.PI*n),e},t.invert=function(e,t){var r=t[0],n=t[1],i=t[2],a=t[3],o=r*r+n*n+i*i+a*a,s=o?1/o:0;return e[0]=-r*s,e[1]=-n*s,e[2]=-i*s,e[3]=a*s,e},t.conjugate=function(e,t){return e[0]=-t[0],e[1]=-t[1],e[2]=-t[2],e[3]=t[3],e},t.fromMat3=u,t.fromEuler=function(e,t,r,n){var i=.5*Math.PI/180;t*=i,r*=i,n*=i;var a=Math.sin(t),o=Math.cos(t),s=Math.sin(r),u=Math.cos(r),c=Math.sin(n),f=Math.cos(n);return e[0]=a*u*f-o*s*c,e[1]=o*s*f+a*u*c,e[2]=o*u*c-a*s*f,e[3]=o*u*f+a*s*c,e},t.str=function(e){return"quat("+e[0]+", "+e[1]+", "+e[2]+", "+e[3]+")"};var c=n(r(0)),f=n(r(5)),h=n(r(2)),l=n(r(1));t.clone=l.clone,t.fromValues=l.fromValues,t.copy=l.copy,t.set=l.set,t.add=l.add,t.mul=o,t.scale=l.scale,t.dot=l.dot,t.lerp=l.lerp;var d=t.length=l.length,m=(t.len=d,t.squaredLength=l.squaredLength),p=(t.sqrLen=m,t.normalize=l.normalize);t.exactEquals=l.exactEquals,t.equals=l.equals,t.rotationTo=function(){var e=h.create(),t=h.fromValues(1,0,0),r=h.fromValues(0,1,0);return function(n,i,o){var s=h.dot(i,o);return s<-.999999?(h.cross(e,t,i),h.len(e)<1e-6&&h.cross(e,r,i),h.normalize(e,e),a(n,e,Math.PI),n):s>.999999?(n[0]=0,n[1]=0,n[2]=0,n[3]=1,n):(h.cross(e,i,o),n[0]=e[0],n[1]=e[1],n[2]=e[2],n[3]=1+s,p(n,n))}}(),t.sqlerp=function(){var e=i(),t=i();return function(r,n,i,a,o,u){return s(e,n,o,u),s(t,i,a,u),s(r,e,t,2*u*(1-u)),r}}(),t.setAxes=function(){var e=f.create();return function(t,r,n,i){return e[0]=n[0],e[3]=n[1],e[6]=n[2],e[1]=i[0],e[4]=i[1],e[7]=i[2],e[2]=-r[0],e[5]=-r[1],e[8]=-r[2],p(t,u(t,e))}}()},function(e,t,r){"use strict";function n(e){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function i(e,t,r){var n=t[0],i=t[1],a=t[2],o=t[3],s=t[4],u=t[5],c=t[6],f=t[7],h=t[8],l=t[9],d=t[10],m=t[11],p=t[12],v=t[13],g=t[14],y=t[15],b=r[0],M=r[1],x=r[2],w=r[3];return e[0]=b*n+M*s+x*h+w*p,e[1]=b*i+M*u+x*l+w*v,e[2]=b*a+M*c+x*d+w*g,e[3]=b*o+M*f+x*m+w*y,b=r[4],M=r[5],x=r[6],w=r[7],e[4]=b*n+M*s+x*h+w*p,e[5]=b*i+M*u+x*l+w*v,e[6]=b*a+M*c+x*d+w*g,e[7]=b*o+M*f+x*m+w*y,b=r[8],M=r[9],x=r[10],w=r[11],e[8]=b*n+M*s+x*h+w*p,e[9]=b*i+M*u+x*l+w*v,e[10]=b*a+M*c+x*d+w*g,e[11]=b*o+M*f+x*m+w*y,b=r[12],M=r[13],x=r[14],w=r[15],e[12]=b*n+M*s+x*h+w*p,e[13]=b*i+M*u+x*l+w*v,e[14]=b*a+M*c+x*d+w*g,e[15]=b*o+M*f+x*m+w*y,e}function a(e,t,r){var n=t[0],i=t[1],a=t[2],o=t[3],s=n+n,u=i+i,c=a+a,f=n*s,h=n*u,l=n*c,d=i*u,m=i*c,p=a*c,v=o*s,g=o*u,y=o*c;return e[0]=1-(d+p),e[1]=h+y,e[2]=l-g,e[3]=0,e[4]=h-y,e[5]=1-(f+p),e[6]=m+v,e[7]=0,e[8]=l+g,e[9]=m-v,e[10]=1-(f+d),e[11]=0,e[12]=r[0],e[13]=r[1],e[14]=r[2],e[15]=1,e}function o(e,t,r){return 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e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e},t.fromValues=function(e,t,r,n,i,a,o,u,c,f,h,l,d,m,p,v){var g=new s.ARRAY_TYPE(16);return g[0]=e,g[1]=t,g[2]=r,g[3]=n,g[4]=i,g[5]=a,g[6]=o,g[7]=u,g[8]=c,g[9]=f,g[10]=h,g[11]=l,g[12]=d,g[13]=m,g[14]=p,g[15]=v,g},t.set=function(e,t,r,n,i,a,o,s,u,c,f,h,l,d,m,p,v){return e[0]=t,e[1]=r,e[2]=n,e[3]=i,e[4]=a,e[5]=o,e[6]=s,e[7]=u,e[8]=c,e[9]=f,e[10]=h,e[11]=l,e[12]=d,e[13]=m,e[14]=p,e[15]=v,e},t.identity=n,t.transpose=function(e,t){if(e===t){var r=t[1],n=t[2],i=t[3],a=t[6],o=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=r,e[6]=t[9],e[7]=t[13],e[8]=n,e[9]=a,e[11]=t[14],e[12]=i,e[13]=o,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e},t.invert=function(e,t){var r=t[0],n=t[1],i=t[2],a=t[3],o=t[4],s=t[5],u=t[6],c=t[7],f=t[8],h=t[9],l=t[10],d=t[11],m=t[12],p=t[13],v=t[14],g=t[15],y=r*s-n*o,b=r*u-i*o,M=r*c-a*o,x=n*u-i*s,w=n*c-a*s,_=i*c-a*u,S=f*p-h*m,C=f*v-l*m,P=f*g-d*m,A=h*v-l*p,k=h*g-d*p,j=l*g-d*v,T=y*j-b*k+M*A+x*P-w*C+_*S;return T?(T=1/T,e[0]=(s*j-u*k+c*A)*T,e[1]=(i*k-n*j-a*A)*T,e[2]=(p*_-v*w+g*x)*T,e[3]=(l*w-h*_-d*x)*T,e[4]=(u*P-o*j-c*C)*T,e[5]=(r*j-i*P+a*C)*T,e[6]=(v*M-m*_-g*b)*T,e[7]=(f*_-l*M+d*b)*T,e[8]=(o*k-s*P+c*S)*T,e[9]=(n*P-r*k-a*S)*T,e[10]=(m*w-p*M+g*y)*T,e[11]=(h*M-f*w-d*y)*T,e[12]=(s*C-o*A-u*S)*T,e[13]=(r*A-n*C+i*S)*T,e[14]=(p*b-m*x-v*y)*T,e[15]=(f*x-h*b+l*y)*T,e):null},t.adjoint=function(e,t){var r=t[0],n=t[1],i=t[2],a=t[3],o=t[4],s=t[5],u=t[6],c=t[7],f=t[8],h=t[9],l=t[10],d=t[11],m=t[12],p=t[13],v=t[14],g=t[15];return e[0]=s*(l*g-d*v)-h*(u*g-c*v)+p*(u*d-c*l),e[1]=-(n*(l*g-d*v)-h*(i*g-a*v)+p*(i*d-a*l)),e[2]=n*(u*g-c*v)-s*(i*g-a*v)+p*(i*c-a*u),e[3]=-(n*(u*d-c*l)-s*(i*d-a*l)+h*(i*c-a*u)),e[4]=-(o*(l*g-d*v)-f*(u*g-c*v)+m*(u*d-c*l)),
e[5]=r*(l*g-d*v)-f*(i*g-a*v)+m*(i*d-a*l),e[6]=-(r*(u*g-c*v)-o*(i*g-a*v)+m*(i*c-a*u)),e[7]=r*(u*d-c*l)-o*(i*d-a*l)+f*(i*c-a*u),e[8]=o*(h*g-d*p)-f*(s*g-c*p)+m*(s*d-c*h),e[9]=-(r*(h*g-d*p)-f*(n*g-a*p)+m*(n*d-a*h)),e[10]=r*(s*g-c*p)-o*(n*g-a*p)+m*(n*c-a*s),e[11]=-(r*(s*d-c*h)-o*(n*d-a*h)+f*(n*c-a*s)),e[12]=-(o*(h*v-l*p)-f*(s*v-u*p)+m*(s*l-u*h)),e[13]=r*(h*v-l*p)-f*(n*v-i*p)+m*(n*l-i*h),e[14]=-(r*(s*v-u*p)-o*(n*v-i*p)+m*(n*u-i*s)),e[15]=r*(s*l-u*h)-o*(n*l-i*h)+f*(n*u-i*s),e},t.determinant=function(e){var t=e[0],r=e[1],n=e[2],i=e[3],a=e[4],o=e[5],s=e[6],u=e[7],c=e[8],f=e[9],h=e[10],l=e[11],d=e[12],m=e[13],p=e[14],v=e[15];return(t*o-r*a)*(h*v-l*p)-(t*s-n*a)*(f*v-l*m)+(t*u-i*a)*(f*p-h*m)+(r*s-n*o)*(c*v-l*d)-(r*u-i*o)*(c*p-h*d)+(n*u-i*s)*(c*m-f*d)},t.multiply=i,t.translate=function(e,t,r){var n=r[0],i=r[1],a=r[2],o=void 0,s=void 0,u=void 0,c=void 0,f=void 0,h=void 0,l=void 0,d=void 0,m=void 0,p=void 0,v=void 0,g=void 0;return t===e?(e[12]=t[0]*n+t[4]*i+t[8]*a+t[12],e[13]=t[1]*n+t[5]*i+t[9]*a+t[13],e[14]=t[2]*n+t[6]*i+t[10]*a+t[14],e[15]=t[3]*n+t[7]*i+t[11]*a+t[15]):(o=t[0],s=t[1],u=t[2],c=t[3],f=t[4],h=t[5],l=t[6],d=t[7],m=t[8],p=t[9],v=t[10],g=t[11],e[0]=o,e[1]=s,e[2]=u,e[3]=c,e[4]=f,e[5]=h,e[6]=l,e[7]=d,e[8]=m,e[9]=p,e[10]=v,e[11]=g,e[12]=o*n+f*i+m*a+t[12],e[13]=s*n+h*i+p*a+t[13],e[14]=u*n+l*i+v*a+t[14],e[15]=c*n+d*i+g*a+t[15]),e},t.scale=function(e,t,r){var n=r[0],i=r[1],a=r[2];return e[0]=t[0]*n,e[1]=t[1]*n,e[2]=t[2]*n,e[3]=t[3]*n,e[4]=t[4]*i,e[5]=t[5]*i,e[6]=t[6]*i,e[7]=t[7]*i,e[8]=t[8]*a,e[9]=t[9]*a,e[10]=t[10]*a,e[11]=t[11]*a,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e},t.rotate=function(e,t,r,n){var i=n[0],a=n[1],o=n[2],u=Math.sqrt(i*i+a*a+o*o),c=void 0,f=void 0,h=void 0,l=void 0,d=void 0,m=void 0,p=void 0,v=void 0,g=void 0,y=void 0,b=void 0,M=void 0,x=void 0,w=void 0,_=void 0,S=void 0,C=void 0,P=void 0,A=void 0,k=void 0,j=void 0,T=void 0,O=void 0,D=void 0;return u<s.EPSILON?null:(i*=u=1/u,a*=u,o*=u,c=Math.sin(r),f=Math.cos(r),h=1-f,l=t[0],d=t[1],m=t[2],p=t[3],v=t[4],g=t[5],y=t[6],b=t[7],M=t[8],x=t[9],w=t[10],_=t[11],S=i*i*h+f,C=a*i*h+o*c,P=o*i*h-a*c,A=i*a*h-o*c,k=a*a*h+f,j=o*a*h+i*c,T=i*o*h+a*c,O=a*o*h-i*c,D=o*o*h+f,e[0]=l*S+v*C+M*P,e[1]=d*S+g*C+x*P,e[2]=m*S+y*C+w*P,e[3]=p*S+b*C+_*P,e[4]=l*A+v*k+M*j,e[5]=d*A+g*k+x*j,e[6]=m*A+y*k+w*j,e[7]=p*A+b*k+_*j,e[8]=l*T+v*O+M*D,e[9]=d*T+g*O+x*D,e[10]=m*T+y*O+w*D,e[11]=p*T+b*O+_*D,t!==e&&(e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e)},t.rotateX=function(e,t,r){var n=Math.sin(r),i=Math.cos(r),a=t[4],o=t[5],s=t[6],u=t[7],c=t[8],f=t[9],h=t[10],l=t[11];return t!==e&&(e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[4]=a*i+c*n,e[5]=o*i+f*n,e[6]=s*i+h*n,e[7]=u*i+l*n,e[8]=c*i-a*n,e[9]=f*i-o*n,e[10]=h*i-s*n,e[11]=l*i-u*n,e},t.rotateY=function(e,t,r){var n=Math.sin(r),i=Math.cos(r),a=t[0],o=t[1],s=t[2],u=t[3],c=t[8],f=t[9],h=t[10],l=t[11];return t!==e&&(e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[0]=a*i-c*n,e[1]=o*i-f*n,e[2]=s*i-h*n,e[3]=u*i-l*n,e[8]=a*n+c*i,e[9]=o*n+f*i,e[10]=s*n+h*i,e[11]=u*n+l*i,e},t.rotateZ=function(e,t,r){var n=Math.sin(r),i=Math.cos(r),a=t[0],o=t[1],s=t[2],u=t[3],c=t[4],f=t[5],h=t[6],l=t[7];return t!==e&&(e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[0]=a*i+c*n,e[1]=o*i+f*n,e[2]=s*i+h*n,e[3]=u*i+l*n,e[4]=c*i-a*n,e[5]=f*i-o*n,e[6]=h*i-s*n,e[7]=l*i-u*n,e},t.fromTranslation=function(e,t){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=t[0],e[13]=t[1],e[14]=t[2],e[15]=1,e},t.fromScaling=function(e,t){return e[0]=t[0],e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=t[1],e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=t[2],e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},t.fromRotation=function(e,t,r){var n=r[0],i=r[1],a=r[2],o=Math.sqrt(n*n+i*i+a*a),u=void 0,c=void 0,f=void 0;return o<s.EPSILON?null:(n*=o=1/o,i*=o,a*=o,u=Math.sin(t),c=Math.cos(t),f=1-c,e[0]=n*n*f+c,e[1]=i*n*f+a*u,e[2]=a*n*f-i*u,e[3]=0,e[4]=n*i*f-a*u,e[5]=i*i*f+c,e[6]=a*i*f+n*u,e[7]=0,e[8]=n*a*f+i*u,e[9]=i*a*f-n*u,e[10]=a*a*f+c,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e)},t.fromXRotation=function(e,t){var r=Math.sin(t),n=Math.cos(t);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=n,e[6]=r,e[7]=0,e[8]=0,e[9]=-r,e[10]=n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},t.fromYRotation=function(e,t){var r=Math.sin(t),n=Math.cos(t);return e[0]=n,e[1]=0,e[2]=-r,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=r,e[9]=0,e[10]=n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},t.fromZRotation=function(e,t){var r=Math.sin(t),n=Math.cos(t);return e[0]=n,e[1]=r,e[2]=0,e[3]=0,e[4]=-r,e[5]=n,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},t.fromRotationTranslation=a,t.fromQuat2=function(e,t){var r=new s.ARRAY_TYPE(3),n=-t[0],i=-t[1],o=-t[2],u=t[3],c=t[4],f=t[5],h=t[6],l=t[7],d=n*n+i*i+o*o+u*u;return d>0?(r[0]=2*(c*u+l*n+f*o-h*i)/d,r[1]=2*(f*u+l*i+h*n-c*o)/d,r[2]=2*(h*u+l*o+c*i-f*n)/d):(r[0]=2*(c*u+l*n+f*o-h*i),r[1]=2*(f*u+l*i+h*n-c*o),r[2]=2*(h*u+l*o+c*i-f*n)),a(e,t,r),e},t.getTranslation=function(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e},t.getScaling=function(e,t){var r=t[0],n=t[1],i=t[2],a=t[4],o=t[5],s=t[6],u=t[8],c=t[9],f=t[10];return e[0]=Math.sqrt(r*r+n*n+i*i),e[1]=Math.sqrt(a*a+o*o+s*s),e[2]=Math.sqrt(u*u+c*c+f*f),e},t.getRotation=function(e,t){var r=t[0]+t[5]+t[10],n=0;return r>0?(n=2*Math.sqrt(r+1),e[3]=.25*n,e[0]=(t[6]-t[9])/n,e[1]=(t[8]-t[2])/n,e[2]=(t[1]-t[4])/n):t[0]>t[5]&&t[0]>t[10]?(n=2*Math.sqrt(1+t[0]-t[5]-t[10]),e[3]=(t[6]-t[9])/n,e[0]=.25*n,e[1]=(t[1]+t[4])/n,e[2]=(t[8]+t[2])/n):t[5]>t[10]?(n=2*Math.sqrt(1+t[5]-t[0]-t[10]),e[3]=(t[8]-t[2])/n,e[0]=(t[1]+t[4])/n,e[1]=.25*n,e[2]=(t[6]+t[9])/n):(n=2*Math.sqrt(1+t[10]-t[0]-t[5]),e[3]=(t[1]-t[4])/n,e[0]=(t[8]+t[2])/n,e[1]=(t[6]+t[9])/n,e[2]=.25*n),e},t.fromRotationTranslationScale=function(e,t,r,n){var i=t[0],a=t[1],o=t[2],s=t[3],u=i+i,c=a+a,f=o+o,h=i*u,l=i*c,d=i*f,m=a*c,p=a*f,v=o*f,g=s*u,y=s*c,b=s*f,M=n[0],x=n[1],w=n[2];return e[0]=(1-(m+v))*M,e[1]=(l+b)*M,e[2]=(d-y)*M,e[3]=0,e[4]=(l-b)*x,e[5]=(1-(h+v))*x,e[6]=(p+g)*x,e[7]=0,e[8]=(d+y)*w,e[9]=(p-g)*w,e[10]=(1-(h+m))*w,e[11]=0,e[12]=r[0],e[13]=r[1],e[14]=r[2],e[15]=1,e},t.fromRotationTranslationScaleOrigin=function(e,t,r,n,i){var a=t[0],o=t[1],s=t[2],u=t[3],c=a+a,f=o+o,h=s+s,l=a*c,d=a*f,m=a*h,p=o*f,v=o*h,g=s*h,y=u*c,b=u*f,M=u*h,x=n[0],w=n[1],_=n[2],S=i[0],C=i[1],P=i[2],A=(1-(p+g))*x,k=(d+M)*x,j=(m-b)*x,T=(d-M)*w,O=(1-(l+g))*w,D=(v+y)*w,R=(m+b)*_,E=(v-y)*_,q=(1-(l+p))*_;return e[0]=A,e[1]=k,e[2]=j,e[3]=0,e[4]=T,e[5]=O,e[6]=D,e[7]=0,e[8]=R,e[9]=E,e[10]=q,e[11]=0,e[12]=r[0]+S-(A*S+T*C+R*P),e[13]=r[1]+C-(k*S+O*C+E*P),e[14]=r[2]+P-(j*S+D*C+q*P),e[15]=1,e},t.fromQuat=function(e,t){var r=t[0],n=t[1],i=t[2],a=t[3],o=r+r,s=n+n,u=i+i,c=r*o,f=n*o,h=n*s,l=i*o,d=i*s,m=i*u,p=a*o,v=a*s,g=a*u;return e[0]=1-h-m,e[1]=f+g,e[2]=l-v,e[3]=0,e[4]=f-g,e[5]=1-c-m,e[6]=d+p,e[7]=0,e[8]=l+v,e[9]=d-p,e[10]=1-c-h,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},t.frustum=function(e,t,r,n,i,a,o){var s=1/(r-t),u=1/(i-n),c=1/(a-o);return e[0]=2*a*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*a*u,e[6]=0,e[7]=0,e[8]=(r+t)*s,e[9]=(i+n)*u,e[10]=(o+a)*c,e[11]=-1,e[12]=0,e[13]=0,e[14]=o*a*2*c,e[15]=0,e},t.perspective=function(e,t,r,n,i){var a=1/Math.tan(t/2),o=void 0;return e[0]=a/r,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=i&&i!==1/0?(o=1/(n-i),e[10]=(i+n)*o,e[14]=2*i*n*o):(e[10]=-1,e[14]=-2*n),e},t.perspectiveFromFieldOfView=function(e,t,r,n){var i=Math.tan(t.upDegrees*Math.PI/180),a=Math.tan(t.downDegrees*Math.PI/180),o=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),u=2/(o+s),c=2/(i+a);return e[0]=u,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=c,e[6]=0,e[7]=0,e[8]=-(o-s)*u*.5,e[9]=(i-a)*c*.5,e[10]=n/(r-n),e[11]=-1,e[12]=0,e[13]=0,e[14]=n*r/(r-n),e[15]=0,e},t.ortho=function(e,t,r,n,i,a,o){var s=1/(t-r),u=1/(n-i),c=1/(a-o);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*u,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*c,e[11]=0,e[12]=(t+r)*s,e[13]=(i+n)*u,e[14]=(o+a)*c,e[15]=1,e},t.lookAt=function(e,t,r,i){var a=void 0,o=void 0,u=void 0,c=void 0,f=void 0,h=void 0,l=void 0,d=void 0,m=void 0,p=void 0,v=t[0],g=t[1],y=t[2],b=i[0],M=i[1],x=i[2],w=r[0],_=r[1],S=r[2];return Math.abs(v-w)<s.EPSILON&&Math.abs(g-_)<s.EPSILON&&Math.abs(y-S)<s.EPSILON?n(e):(l=v-w,d=g-_,m=y-S,p=1/Math.sqrt(l*l+d*d+m*m),a=M*(m*=p)-x*(d*=p),o=x*(l*=p)-b*m,u=b*d-M*l,(p=Math.sqrt(a*a+o*o+u*u))?(a*=p=1/p,o*=p,u*=p):(a=0,o=0,u=0),c=d*u-m*o,f=m*a-l*u,h=l*o-d*a,(p=Math.sqrt(c*c+f*f+h*h))?(c*=p=1/p,f*=p,h*=p):(c=0,f=0,h=0),e[0]=a,e[1]=c,e[2]=l,e[3]=0,e[4]=o,e[5]=f,e[6]=d,e[7]=0,e[8]=u,e[9]=h,e[10]=m,e[11]=0,e[12]=-(a*v+o*g+u*y),e[13]=-(c*v+f*g+h*y),e[14]=-(l*v+d*g+m*y),e[15]=1,e)},t.targetTo=function(e,t,r,n){var i=t[0],a=t[1],o=t[2],s=n[0],u=n[1],c=n[2],f=i-r[0],h=a-r[1],l=o-r[2],d=f*f+h*h+l*l;d>0&&(d=1/Math.sqrt(d),f*=d,h*=d,l*=d);var m=u*l-c*h,p=c*f-s*l,v=s*h-u*f;return(d=m*m+p*p+v*v)>0&&(d=1/Math.sqrt(d),m*=d,p*=d,v*=d),e[0]=m,e[1]=p,e[2]=v,e[3]=0,e[4]=h*v-l*p,e[5]=l*m-f*v,e[6]=f*p-h*m,e[7]=0,e[8]=f,e[9]=h,e[10]=l,e[11]=0,e[12]=i,e[13]=a,e[14]=o,e[15]=1,e},t.str=function(e){return"mat4("+e[0]+", "+e[1]+", "+e[2]+", "+e[3]+", "+e[4]+", "+e[5]+", "+e[6]+", "+e[7]+", "+e[8]+", "+e[9]+", "+e[10]+", "+e[11]+", "+e[12]+", "+e[13]+", "+e[14]+", "+e[15]+")"},t.frob=function(e){return Math.sqrt(Math.pow(e[0],2)+Math.pow(e[1],2)+Math.pow(e[2],2)+Math.pow(e[3],2)+Math.pow(e[4],2)+Math.pow(e[5],2)+Math.pow(e[6],2)+Math.pow(e[7],2)+Math.pow(e[8],2)+Math.pow(e[9],2)+Math.pow(e[10],2)+Math.pow(e[11],2)+Math.pow(e[12],2)+Math.pow(e[13],2)+Math.pow(e[14],2)+Math.pow(e[15],2))},t.add=function(e,t,r){return e[0]=t[0]+r[0],e[1]=t[1]+r[1],e[2]=t[2]+r[2],e[3]=t[3]+r[3],e[4]=t[4]+r[4],e[5]=t[5]+r[5],e[6]=t[6]+r[6],e[7]=t[7]+r[7],e[8]=t[8]+r[8],e[9]=t[9]+r[9],e[10]=t[10]+r[10],e[11]=t[11]+r[11],e[12]=t[12]+r[12],e[13]=t[13]+r[13],e[14]=t[14]+r[14],e[15]=t[15]+r[15],e},t.subtract=o,t.multiplyScalar=function(e,t,r){return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*r,e[5]=t[5]*r,e[6]=t[6]*r,e[7]=t[7]*r,e[8]=t[8]*r,e[9]=t[9]*r,e[10]=t[10]*r,e[11]=t[11]*r,e[12]=t[12]*r,e[13]=t[13]*r,e[14]=t[14]*r,e[15]=t[15]*r,e},t.multiplyScalarAndAdd=function(e,t,r,n){return e[0]=t[0]+r[0]*n,e[1]=t[1]+r[1]*n,e[2]=t[2]+r[2]*n,e[3]=t[3]+r[3]*n,e[4]=t[4]+r[4]*n,e[5]=t[5]+r[5]*n,e[6]=t[6]+r[6]*n,e[7]=t[7]+r[7]*n,e[8]=t[8]+r[8]*n,e[9]=t[9]+r[9]*n,e[10]=t[10]+r[10]*n,e[11]=t[11]+r[11]*n,e[12]=t[12]+r[12]*n,e[13]=t[13]+r[13]*n,e[14]=t[14]+r[14]*n,e[15]=t[15]+r[15]*n,e},t.exactEquals=function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]},t.equals=function(e,t){var r=e[0],n=e[1],i=e[2],a=e[3],o=e[4],u=e[5],c=e[6],f=e[7],h=e[8],l=e[9],d=e[10],m=e[11],p=e[12],v=e[13],g=e[14],y=e[15],b=t[0],M=t[1],x=t[2],w=t[3],_=t[4],S=t[5],C=t[6],P=t[7],A=t[8],k=t[9],j=t[10],T=t[11],O=t[12],D=t[13],R=t[14],E=t[15];return 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t?numeric.truncSV(e,t):Math.round(e/t)*t},numeric.inv=function(e){var t,r,n,i,a,o,s,e,u=numeric.dim(e),c=Math.abs,f=u[0],h=u[1],l=numeric.clone(e),d=numeric.identity(f);for(o=0;o<h;++o){var m=-1,p=-1;for(a=o;a!==f;++a)(s=c(l[a][o]))>p&&(m=a,p=s);for(r=l[m],l[m]=l[o],l[o]=r,i=d[m],d[m]=d[o],d[o]=i,e=r[o],s=o;s!==h;++s)r[s]/=e;for(s=h-1;-1!==s;--s)i[s]/=e;for(a=f-1;-1!==a;--a)if(a!==o){for(t=l[a],n=d[a],e=t[o],s=o+1;s!==h;++s)t[s]-=r[s]*e;for(s=h-1;s>0;--s)n[s]-=i[s]*e,--s,n[s]-=i[s]*e;0===s&&(n[0]-=i[0]*e)}}return d},numeric.det=function(e){var t=numeric.dim(e);if(2!==t.length||t[0]!==t[1])throw new Error("numeric: det() only works on square matrices");var r,n,i,a,o,s,u,c,f=t[0],h=1,l=numeric.clone(e);for(n=0;n<f-1;n++){for(i=n,r=n+1;r<f;r++)Math.abs(l[r][n])>Math.abs(l[i][n])&&(i=r);for(i!==n&&(u=l[i],l[i]=l[n],l[n]=u,h*=-1),a=l[n],r=n+1;r<f;r++){for(o=l[r],s=o[n]/a[n],i=n+1;i<f-1;i+=2)c=i+1,o[i]-=a[i]*s,o[c]-=a[c]*s;i!==f&&(o[i]-=a[i]*s)}if(0===a[n])return 0;h*=a[n]}return h*l[n][n]},numeric.transpose=function(e){var t,r,n,i,a,o=e.length,s=e[0].length,u=Array(s);for(r=0;r<s;r++)u[r]=Array(o);for(t=o-1;t>=1;t-=2){for(i=e[t],n=e[t-1],r=s-1;r>=1;--r)a=u[r],a[t]=i[r],a[t-1]=n[r],--r,a=u[r],a[t]=i[r],a[t-1]=n[r];0===r&&(a=u[0],a[t]=i[0],a[t-1]=n[0])}if(0===t){for(n=e[0],r=s-1;r>=1;--r)u[r][0]=n[r],--r,u[r][0]=n[r];0===r&&(u[0][0]=n[0])}return u},numeric.negtranspose=function(e){var t,r,n,i,a,o=e.length,s=e[0].length,u=Array(s);for(r=0;r<s;r++)u[r]=Array(o);for(t=o-1;t>=1;t-=2){for(i=e[t],n=e[t-1],r=s-1;r>=1;--r)a=u[r],a[t]=-i[r],a[t-1]=-n[r],--r,a=u[r],a[t]=-i[r],a[t-1]=-n[r];0===r&&(a=u[0],a[t]=-i[0],a[t-1]=-n[0])}if(0===t){for(n=e[0],r=s-1;r>=1;--r)u[r][0]=-n[r],--r,u[r][0]=-n[r];0===r&&(u[0][0]=-n[0])}return u},numeric._random=function e(t,r){var n,i,a=t[r],o=Array(a);if(r===t.length-1){for(i=Math.random,n=a-1;n>=1;n-=2)o[n]=i(),o[n-1]=i();return 0===n&&(o[0]=i()),o}for(n=a-1;n>=0;n--)o[n]=e(t,r+1);return o},numeric.random=function(e){return numeric._random(e,0)},numeric.norm2=function(e){return Math.sqrt(numeric.norm2Squared(e))},numeric.linspace=function(e,t,r){if(void 0===r&&(r=Math.max(Math.round(t-e)+1,1)),r<2)return 1===r?[e]:[];var n,i=Array(r);for(r--,n=r;n>=0;n--)i[n]=(n*t+(r-n)*e)/r;return i},numeric.getBlock=function(e,t,r){function n(e,a){var o,s=t[a],u=r[a]-s,c=Array(u);if(a===i.length-1){for(o=u;o>=0;o--)c[o]=e[o+s];return c}for(o=u;o>=0;o--)c[o]=n(e[o+s],a+1);return c}
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r=numeric.dim(e),n=numeric.dim(t);if(1!==r.length||1!==n.length)throw new Error("numeric: tensor product is only defined for vectors");var i,a,o,s,u=r[0],c=n[0],f=Array(u);for(a=u-1;a>=0;a--){for(i=Array(c),s=e[a],o=c-1;o>=3;--o)i[o]=s*t[o],--o,i[o]=s*t[o],--o,i[o]=s*t[o],--o,i[o]=s*t[o];for(;o>=0;)i[o]=s*t[o],--o;f[a]=i}return f},numeric.T=function(e,t){this.x=e,this.y=t},numeric.t=function(e,t){return new numeric.T(e,t)},numeric.Tbinop=function(e,t,r,n,i){numeric.indexOf;if("string"!=typeof i){var a;i="";for(a in numeric)numeric.hasOwnProperty(a)&&(e.indexOf(a)>=0||t.indexOf(a)>=0||r.indexOf(a)>=0||n.indexOf(a)>=0)&&a.length>1&&(i+="var "+a+" = numeric."+a+";\n")}return Function(["y"],"var x = this;\nif(!(y instanceof numeric.T)) { y = new numeric.T(y); }\n"+i+"\nif(x.y) {  if(y.y) {    return new numeric.T("+n+");\n  }\n  return new numeric.T("+r+");\n}\nif(y.y) {\n  return new numeric.T("+t+");\n}\nreturn new numeric.T("+e+");\n")},numeric.T.prototype.add=numeric.Tbinop("add(x.x,y.x)","add(x.x,y.x),y.y","add(x.x,y.x),x.y","add(x.x,y.x),add(x.y,y.y)"),numeric.T.prototype.sub=numeric.Tbinop("sub(x.x,y.x)","sub(x.x,y.x),neg(y.y)","sub(x.x,y.x),x.y","sub(x.x,y.x),sub(x.y,y.y)"),numeric.T.prototype.mul=numeric.Tbinop("mul(x.x,y.x)","mul(x.x,y.x),mul(x.x,y.y)","mul(x.x,y.x),mul(x.y,y.x)","sub(mul(x.x,y.x),mul(x.y,y.y)),add(mul(x.x,y.y),mul(x.y,y.x))"),numeric.T.prototype.reciprocal=function(){var e=numeric.mul,t=numeric.div;if(this.y){var r=numeric.add(e(this.x,this.x),e(this.y,this.y));return new numeric.T(t(this.x,r),t(numeric.neg(this.y),r))}return new T(t(1,this.x))},numeric.T.prototype.div=function(e){if(e instanceof numeric.T||(e=new numeric.T(e)),e.y)return this.mul(e.reciprocal());var t=numeric.div;return this.y?new numeric.T(t(this.x,e.x),t(this.y,e.x)):new numeric.T(t(this.x,e.x))},numeric.T.prototype.dot=numeric.Tbinop("dot(x.x,y.x)","dot(x.x,y.x),dot(x.x,y.y)","dot(x.x,y.x),dot(x.y,y.x)","sub(dot(x.x,y.x),dot(x.y,y.y)),add(dot(x.x,y.y),dot(x.y,y.x))"),numeric.T.prototype.transpose=function(){var e=numeric.transpose,t=this.x,r=this.y;return r?new numeric.T(e(t),e(r)):new numeric.T(e(t))},numeric.T.prototype.transjugate=function(){var e=numeric.transpose,t=this.x,r=this.y;return r?new numeric.T(e(t),numeric.negtranspose(r)):new numeric.T(e(t))},numeric.Tunop=function(e,t,r){return"string"!=typeof r&&(r=""),Function("var x = this;\n"+r+"\nif(x.y) {  "+t+";\n}\n"+e+";\n")},numeric.T.prototype.exp=numeric.Tunop("return new numeric.T(ex)","return new numeric.T(mul(cos(x.y),ex),mul(sin(x.y),ex))","var ex = numeric.exp(x.x), cos = numeric.cos, sin = numeric.sin, mul = numeric.mul;"),numeric.T.prototype.conj=numeric.Tunop("return new numeric.T(x.x);","return new numeric.T(x.x,numeric.neg(x.y));"),numeric.T.prototype.neg=numeric.Tunop("return new numeric.T(neg(x.x));","return new numeric.T(neg(x.x),neg(x.y));","var neg = numeric.neg;"),numeric.T.prototype.sin=numeric.Tunop("return new numeric.T(numeric.sin(x.x))","return x.exp().sub(x.neg().exp()).div(new numeric.T(0,2));"),numeric.T.prototype.cos=numeric.Tunop("return new numeric.T(numeric.cos(x.x))","return x.exp().add(x.neg().exp()).div(2);"),numeric.T.prototype.abs=numeric.Tunop("return new numeric.T(numeric.abs(x.x));","return new numeric.T(numeric.sqrt(numeric.add(mul(x.x,x.x),mul(x.y,x.y))));","var mul = numeric.mul;"),numeric.T.prototype.log=numeric.Tunop("return new numeric.T(numeric.log(x.x));","var theta = new numeric.T(numeric.atan2(x.y,x.x)), r = x.abs();\nreturn new numeric.T(numeric.log(r.x),theta.x);"),numeric.T.prototype.norm2=numeric.Tunop("return numeric.norm2(x.x);","var f = numeric.norm2Squared;\nreturn Math.sqrt(f(x.x)+f(x.y));"),numeric.T.prototype.inv=function(){var e=this;if(void 0===e.y)return new numeric.T(numeric.inv(e.x));var t,r,n,i,a,o,s,u,c,f,h,t,r,n,l,d,m,p,v,g,y,b=e.x.length,M=numeric.identity(b),x=numeric.rep([b,b],0),w=numeric.clone(e.x),_=numeric.clone(e.y);for(t=0;t<b;t++){for(m=w[t][t],p=_[t][t],l=m*m+p*p,n=t,r=t+1;r<b;r++)m=w[r][t],p=_[r][t],(d=m*m+p*p)>l&&(n=r,l=d);for(n!==t&&(y=w[t],w[t]=w[n],w[n]=y,y=_[t],_[t]=_[n],_[n]=y,y=M[t],M[t]=M[n],M[n]=y,y=x[t],x[t]=x[n],x[n]=y),i=w[t],a=_[t],u=M[t],c=x[t],m=i[t],p=a[t],r=t+1;r<b;r++)v=i[r],g=a[r],i[r]=(v*m+g*p)/l,a[r]=(g*m-v*p)/l;for(r=0;r<b;r++)v=u[r],g=c[r],u[r]=(v*m+g*p)/l,c[r]=(g*m-v*p)/l;for(r=t+1;r<b;r++){for(o=w[r],s=_[r],f=M[r],h=x[r],m=o[t],p=s[t],n=t+1;n<b;n++)v=i[n],g=a[n],o[n]-=v*m-g*p,s[n]-=g*m+v*p;for(n=0;n<b;n++)v=u[n],g=c[n],f[n]-=v*m-g*p,h[n]-=g*m+v*p}}for(t=b-1;t>0;t--)for(u=M[t],c=x[t],r=t-1;r>=0;r--)for(f=M[r],h=x[r],m=w[r][t],p=_[r][t],n=b-1;n>=0;n--)v=u[n],g=c[n],f[n]-=m*v-p*g,h[n]-=m*g+p*v;return new numeric.T(M,x)},numeric.T.prototype.get=function(e){var t,r=this.x,n=this.y,i=0,a=e.length;if(n){for(;i<a;)t=e[i],r=r[t],n=n[t],i++;return new numeric.T(r,n)}for(;i<a;)t=e[i],r=r[t],i++;return new numeric.T(r)},numeric.T.prototype.set=function(e,t){var r,n=this.x,i=this.y,a=0,o=e.length,s=t.x,u=t.y;if(0===o)return u?this.y=u:i&&(this.y=void 0),this.x=n,this;if(u){for(i||(i=numeric.rep(numeric.dim(n),0),this.y=i);a<o-1;)r=e[a],n=n[r],i=i[r],a++;return r=e[a],n[r]=s,i[r]=u,this}if(i){for(;a<o-1;)r=e[a],n=n[r],i=i[r],a++;return r=e[a],n[r]=s,s instanceof Array?i[r]=numeric.rep(numeric.dim(s),0):i[r]=0,this}for(;a<o-1;)r=e[a],n=n[r],a++;return r=e[a],n[r]=s,this},numeric.T.prototype.getRows=function(e,t){var r,n,i=t-e+1,a=Array(i),o=this.x,s=this.y;for(r=e;r<=t;r++)a[r-e]=o[r];if(s){for(n=Array(i),r=e;r<=t;r++)n[r-e]=s[r];return new numeric.T(a,n)}return new numeric.T(a)},numeric.T.prototype.setRows=function(e,t,r){var n,i=this.x,a=this.y,o=r.x,s=r.y;for(n=e;n<=t;n++)i[n]=o[n-e];if(s)for(a||(a=numeric.rep(numeric.dim(i),0),this.y=a),n=e;n<=t;n++)a[n]=s[n-e];else if(a)for(n=e;n<=t;n++)a[n]=numeric.rep([o[n-e].length],0);return this},numeric.T.prototype.getRow=function(e){var t=this.x,r=this.y;return r?new numeric.T(t[e],r[e]):new numeric.T(t[e])},numeric.T.prototype.setRow=function(e,t){var r=this.x,n=this.y,i=t.x,a=t.y;return r[e]=i,a?(n||(n=numeric.rep(numeric.dim(r),0),this.y=n),n[e]=a):n&&(n=numeric.rep([i.length],0)),this},numeric.T.prototype.getBlock=function(e,t){var r=this.x,n=this.y,i=numeric.getBlock;return n?new numeric.T(i(r,e,t),i(n,e,t)):new numeric.T(i(r,e,t))},numeric.T.prototype.setBlock=function(e,t,r){r instanceof numeric.T||(r=new numeric.T(r));var n=this.x,i=this.y,a=numeric.setBlock,o=r.x,s=r.y;if(s)return i||(this.y=numeric.rep(numeric.dim(this),0),i=this.y),a(n,e,t,o),a(i,e,t,s),this;a(n,e,t,o),i&&a(i,e,t,numeric.rep(numeric.dim(o),0))},numeric.T.rep=function(e,t){var r=numeric.T;t instanceof r||(t=new r(t));var n=t.x,i=t.y,a=numeric.rep;return i?new r(a(e,n),a(e,i)):new r(a(e,n))},numeric.T.diag=function(e){e instanceof numeric.T||(e=new numeric.T(e));var t=e.x,r=e.y,n=numeric.diag;return r?new numeric.T(n(t),n(r)):new numeric.T(n(t))},numeric.T.eig=function(){if(this.y)throw new Error("eig: not implemented for complex matrices.");return numeric.eig(this.x)},numeric.T.identity=function(e){return new numeric.T(numeric.identity(e))},numeric.T.prototype.getDiag=function(){var e=numeric,t=this.x,r=this.y;return r?new e.T(e.getDiag(t),e.getDiag(r)):new e.T(e.getDiag(t))},numeric.house=function(e){var t=numeric.clone(e),r=e[0]>=0?1:-1,n=r*numeric.norm2(e);t[0]+=n;var i=numeric.norm2(t);if(0===i)throw new Error("eig: internal error");return numeric.div(t,i)},numeric.toUpperHessenberg=function(e){var t=numeric.dim(e);if(2!==t.length||t[0]!==t[1])throw new Error("numeric: toUpperHessenberg() only works on square matrices");var r,n,i,a,o,s,u,c,f,h,l=t[0],d=numeric.clone(e),m=numeric.identity(l);for(n=0;n<l-2;n++){for(a=Array(l-n-1),r=n+1;r<l;r++)a[r-n-1]=d[r][n];if(numeric.norm2(a)>0){for(o=numeric.house(a),s=numeric.getBlock(d,[n+1,n],[l-1,l-1]),u=numeric.tensor(o,numeric.dot(o,s)),r=n+1;r<l;r++)for(c=d[r],f=u[r-n-1],i=n;i<l;i++)c[i]-=2*f[i-n];for(s=numeric.getBlock(d,[0,n+1],[l-1,l-1]),u=numeric.tensor(numeric.dot(s,o),o),r=0;r<l;r++)for(c=d[r],f=u[r],i=n+1;i<l;i++)c[i]-=2*f[i-n-1];for(s=Array(l-n-1),r=n+1;r<l;r++)s[r-n-1]=m[r];for(u=numeric.tensor(o,numeric.dot(o,s)),r=n+1;r<l;r++)for(h=m[r],f=u[r-n-1],i=0;i<l;i++)h[i]-=2*f[i]}}return{H:d,Q:m}},numeric.epsilon=2.220446049250313e-16,numeric.QRFrancis=function(e,t){void 0===t&&(t=1e4),e=numeric.clone(e);var r,n,i,a,o,s,u,c,f,h,l,d,m,p,v,g,y,b,M=(numeric.clone(e),numeric.dim(e)),x=M[0],w=numeric.identity(x);if(x<3)return{Q:w,B:[[0,x-1]]};var _=numeric.epsilon;for(b=0;b<t;b++){for(g=0;g<x-1;g++)if(Math.abs(e[g+1][g])<_*(Math.abs(e[g][g])+Math.abs(e[g+1][g+1]))){var S=numeric.QRFrancis(numeric.getBlock(e,[0,0],[g,g]),t),C=numeric.QRFrancis(numeric.getBlock(e,[g+1,g+1],[x-1,x-1]),t);for(d=Array(g+1),v=0;v<=g;v++)d[v]=w[v];for(m=numeric.dot(S.Q,d),v=0;v<=g;v++)w[v]=m[v];for(d=Array(x-g-1),v=g+1;v<x;v++)d[v-g-1]=w[v];for(m=numeric.dot(C.Q,d),v=g+1;v<x;v++)w[v]=m[v-g-1];return{Q:w,B:S.B.concat(numeric.add(C.B,g+1))}}if(i=e[x-2][x-2],a=e[x-2][x-1],o=e[x-1][x-2],s=e[x-1][x-1],c=i+s,u=i*s-a*o,f=numeric.getBlock(e,[0,0],[2,2]),c*c>=4*u){var P,A;P=.5*(c+Math.sqrt(c*c-4*u)),A=.5*(c-Math.sqrt(c*c-4*u)),f=numeric.add(numeric.sub(numeric.dot(f,f),numeric.mul(f,P+A)),numeric.diag(numeric.rep([3],P*A)))}else f=numeric.add(numeric.sub(numeric.dot(f,f),numeric.mul(f,c)),numeric.diag(numeric.rep([3],u)));for(r=[f[0][0],f[1][0],f[2][0]],n=numeric.house(r),d=[e[0],e[1],e[2]],m=numeric.tensor(n,numeric.dot(n,d)),v=0;v<3;v++)for(l=e[v],p=m[v],y=0;y<x;y++)l[y]-=2*p[y];for(d=numeric.getBlock(e,[0,0],[x-1,2]),m=numeric.tensor(numeric.dot(d,n),n),v=0;v<x;v++)for(l=e[v],p=m[v],y=0;y<3;y++)l[y]-=2*p[y];for(d=[w[0],w[1],w[2]],m=numeric.tensor(n,numeric.dot(n,d)),v=0;v<3;v++)for(h=w[v],p=m[v],y=0;y<x;y++)h[y]-=2*p[y];var k;for(g=0;g<x-2;g++){for(y=g;y<=g+1;y++)if(Math.abs(e[y+1][y])<_*(Math.abs(e[y][y])+Math.abs(e[y+1][y+1]))){var S=numeric.QRFrancis(numeric.getBlock(e,[0,0],[y,y]),t),C=numeric.QRFrancis(numeric.getBlock(e,[y+1,y+1],[x-1,x-1]),t);for(d=Array(y+1),v=0;v<=y;v++)d[v]=w[v];for(m=numeric.dot(S.Q,d),v=0;v<=y;v++)w[v]=m[v];for(d=Array(x-y-1),v=y+1;v<x;v++)d[v-y-1]=w[v];for(m=numeric.dot(C.Q,d),v=y+1;v<x;v++)w[v]=m[v-y-1];return{Q:w,B:S.B.concat(numeric.add(C.B,y+1))}}for(k=Math.min(x-1,g+3),r=Array(k-g),v=g+1;v<=k;v++)r[v-g-1]=e[v][g];for(n=numeric.house(r),d=numeric.getBlock(e,[g+1,g],[k,x-1]),m=numeric.tensor(n,numeric.dot(n,d)),v=g+1;v<=k;v++)for(l=e[v],p=m[v-g-1],y=g;y<x;y++)l[y]-=2*p[y-g];for(d=numeric.getBlock(e,[0,g+1],[x-1,k]),m=numeric.tensor(numeric.dot(d,n),n),v=0;v<x;v++)for(l=e[v],p=m[v],y=g+1;y<=k;y++)l[y]-=2*p[y-g-1];for(d=Array(k-g),v=g+1;v<=k;v++)d[v-g-1]=w[v];for(m=numeric.tensor(n,numeric.dot(n,d)),v=g+1;v<=k;v++)for(h=w[v],p=m[v-g-1],y=0;y<x;y++)h[y]-=2*p[y]}}throw new Error("numeric: eigenvalue iteration does not converge -- increase maxiter?")},numeric.eig=function(e,t){var r,n,i,a,o,s,u,c,f,h,l,d,m,p,v,g,y,b=numeric.toUpperHessenberg(e),M=numeric.QRFrancis(b.H,t),x=numeric.T,w=e.length,_=M.B,S=numeric.dot(M.Q,numeric.dot(b.H,numeric.transpose(M.Q))),C=new x(numeric.dot(M.Q,b.Q)),P=_.length,A=Math.sqrt;for(n=0;n<P;n++)if((r=_[n][0])===_[n][1]);else{if(a=r+1,o=S[r][r],s=S[r][a],u=S[a][r],c=S[a][a],0===s&&0===u)continue;f=-o-c,h=o*c-s*u,l=f*f-4*h,l>=0?(d=f<0?-.5*(f-A(l)):-.5*(f+A(l)),g=(o-d)*(o-d)+s*s,y=u*u+(c-d)*(c-d),g>y?(g=A(g),p=(o-d)/g,v=s/g):(y=A(y),p=u/y,v=(c-d)/y),i=new x([[v,-p],[p,v]]),C.setRows(r,a,i.dot(C.getRows(r,a)))):(d=-.5*f,m=.5*A(-l),g=(o-d)*(o-d)+s*s,y=u*u+(c-d)*(c-d),g>y?(g=A(g+m*m),p=(o-d)/g,v=s/g,d=0,m/=g):(y=A(y+m*m),p=u/y,v=(c-d)/y,d=m/y,m=0),i=new x([[v,-p],[p,v]],[[d,m],[m,-d]]),C.setRows(r,a,i.dot(C.getRows(r,a))))}var k=C.dot(e).dot(C.transjugate()),w=e.length,j=numeric.T.identity(w);for(a=0;a<w;a++)if(a>0)for(n=a-1;n>=0;n--){var T=k.get([n,n]),O=k.get([a,a]);numeric.neq(T.x,O.x)||numeric.neq(T.y,O.y)?(d=k.getRow(n).getBlock([n],[a-1]),m=j.getRow(a).getBlock([n],[a-1]),j.set([a,n],k.get([n,a]).neg().sub(d.dot(m)).div(T.sub(O)))):j.setRow(a,j.getRow(n))}for(a=0;a<w;a++)d=j.getRow(a),j.setRow(a,d.div(d.norm2()));return j=j.transpose(),j=C.transjugate().dot(j),{lambda:k.getDiag(),E:j}},numeric.ccsSparse=function(e){var t,r,n,i,a=e.length,o=[];for(n=a-1;-1!==n;--n){r=e[n];for(i in r){for(i=parseInt(i);i>=o.length;)o[o.length]=0;0!==r[i]&&o[i]++}}var t=o.length,s=Array(t+1);for(s[0]=0,n=0;n<t;++n)s[n+1]=s[n]+o[n];var u=Array(s[t]),c=Array(s[t]);for(n=a-1;-1!==n;--n){r=e[n];for(i in r)0!==r[i]&&(o[i]--,u[s[i]+o[i]]=n,c[s[i]+o[i]]=r[i])}return[s,u,c]},numeric.ccsFull=function(e){var t,r,n,i,a=e[0],o=e[1],s=e[2],u=numeric.ccsDim(e),c=u[0],f=u[1],h=numeric.rep([c,f],0);for(t=0;t<f;t++)for(n=a[t],i=a[t+1],r=n;r<i;++r)h[o[r]][t]=s[r];return h},numeric.ccsTSolve=function(e,t,r,n,i){function a(e){var t;if(0===r[e]){for(r[e]=1,t=o[e];t<o[e+1];++t)a(s[t]);i[h]=e,++h}}var o=e[0],s=e[1],u=e[2],c=o.length-1,f=Math.max,h=0;void 0===n&&(r=numeric.rep([c],0)),void 0===n&&(n=numeric.linspace(0,r.length-1)),void 0===i&&(i=[]);var l,d,m,p,v,g,y;for(l=n.length-1;-1!==l;--l)a(n[l]);for(i.length=h,l=i.length-1;-1!==l;--l)r[i[l]]=0;for(l=n.length-1;-1!==l;--l)d=n[l],r[d]=t[d];for(l=i.length-1;-1!==l;--l){for(d=i[l],m=o[d],p=f(o[d+1],m),v=m;v!==p;++v)if(s[v]===d){r[d]/=u[v];break}for(y=r[d],v=m;v!==p;++v)(g=s[v])!==d&&(r[g]-=y*u[v])}return r},numeric.ccsDFS=function(e){this.k=Array(e),this.k1=Array(e),this.j=Array(e)},numeric.ccsDFS.prototype.dfs=function(e,t,r,n,i,a){var o,s,u,c=0,f=i.length,h=this.k,l=this.k1,d=this.j;if(0===n[e])for(n[e]=1,d[0]=e,h[0]=s=t[e],l[0]=u=t[e+1];;)if(s>=u){if(i[f]=d[c],0===c)return;++f,--c,s=h[c],u=l[c]}else o=a[r[s]],0===n[o]?(n[o]=1,h[c]=s,++c,d[c]=o,s=t[o],l[c]=u=t[o+1]):++s},numeric.ccsLPSolve=function(e,t,r,n,i,a,o){var s,u,c,f,h,l,d,m,p,v=e[0],g=e[1],y=e[2],b=(v.length,t[0]),M=t[1],x=t[2];for(u=b[i],c=b[i+1],n.length=0,s=u;s<c;++s)o.dfs(a[M[s]],v,g,r,n,a);for(s=n.length-1;-1!==s;--s)r[n[s]]=0;for(s=u;s!==c;++s)f=a[M[s]],r[f]=x[s];for(s=n.length-1;-1!==s;--s){for(f=n[s],h=v[f],l=v[f+1],d=h;d<l;++d)if(a[g[d]]===f){r[f]/=y[d];break}for(p=r[f],d=h;d<l;++d)(m=a[g[d]])!==f&&(r[m]-=p*y[d])}return r},numeric.ccsLUP1=function(e,t){var r,n,i,a,o,s,u,c=e[0].length-1,f=[numeric.rep([c+1],0),[],[]],h=[numeric.rep([c+1],0),[],[]],l=f[0],d=f[1],m=f[2],p=h[0],v=h[1],g=h[2],y=numeric.rep([c],0),b=numeric.rep([c],0),M=numeric.ccsLPSolve,x=(Math.max,Math.abs),w=numeric.linspace(0,c-1),_=numeric.linspace(0,c-1),S=new numeric.ccsDFS(c);for(void 0===t&&(t=1),r=0;r<c;++r){for(M(f,e,y,b,r,_,S),a=-1,o=-1,n=b.length-1;-1!==n;--n)(i=b[n])<=r||(s=x(y[i]))>a&&(o=i,a=s);for(x(y[r])<t*a&&(n=w[r],a=w[o],w[r]=a,_[a]=r,w[o]=n,_[n]=o,a=y[r],y[r]=y[o],y[o]=a),a=l[r],o=p[r],u=y[r],d[a]=w[r],m[a]=1,++a,n=b.length-1;-1!==n;--n)i=b[n],s=y[i],b[n]=0,y[i]=0,i<=r?(v[o]=i,g[o]=s,++o):(d[a]=w[i],m[a]=s/u,++a);l[r+1]=a,p[r+1]=o}for(n=d.length-1;-1!==n;--n)d[n]=_[d[n]];return{L:f,U:h,P:w,Pinv:_}},numeric.ccsDFS0=function(e){this.k=Array(e),this.k1=Array(e),this.j=Array(e)},numeric.ccsDFS0.prototype.dfs=function(e,t,r,n,i,a,o){var s,u,c,f=0,h=i.length,l=this.k,d=this.k1,m=this.j;if(0===n[e])for(n[e]=1,m[0]=e,l[0]=u=t[a[e]],d[0]=c=t[a[e]+1];;){if(isNaN(u))throw new Error("Ow!");if(u>=c){if(i[h]=a[m[f]],0===f)return;++h,--f,u=l[f],c=d[f]}else s=r[u],0===n[s]?(n[s]=1,l[f]=u,++f,m[f]=s,s=a[s],u=t[s],d[f]=c=t[s+1]):++u}},numeric.ccsLPSolve0=function(e,t,r,n,i,a,o,s){var u,c,f,h,l,d,m,p,v,g=e[0],y=e[1],b=e[2],M=(g.length,t[0]),x=t[1],w=t[2];for(c=M[i],f=M[i+1],n.length=0,u=c;u<f;++u)s.dfs(x[u],g,y,r,n,a,o);for(u=n.length-1;-1!==u;--u)h=n[u],r[o[h]]=0;for(u=c;u!==f;++u)h=x[u],r[h]=w[u];for(u=n.length-1;-1!==u;--u){for(h=n[u],p=o[h],l=g[h],d=g[h+1],m=l;m<d;++m)if(y[m]===p){r[p]/=b[m];break}for(v=r[p],m=l;m<d;++m)r[y[m]]-=v*b[m];r[p]=v}},numeric.ccsLUP0=function(e,t){var r,n,i,a,o,s,u,c=e[0].length-1,f=[numeric.rep([c+1],0),[],[]],h=[numeric.rep([c+1],0),[],[]],l=f[0],d=f[1],m=f[2],p=h[0],v=h[1],g=h[2],y=numeric.rep([c],0),b=numeric.rep([c],0),M=numeric.ccsLPSolve0,x=(Math.max,Math.abs),w=numeric.linspace(0,c-1),_=numeric.linspace(0,c-1),S=new numeric.ccsDFS0(c);for(void 0===t&&(t=1),r=0;r<c;++r){for(M(f,e,y,b,r,_,w,S),a=-1,o=-1,n=b.length-1;-1!==n;--n)(i=b[n])<=r||(s=x(y[w[i]]))>a&&(o=i,a=s);for(x(y[w[r]])<t*a&&(n=w[r],a=w[o],w[r]=a,_[a]=r,w[o]=n,_[n]=o),a=l[r],o=p[r],u=y[w[r]],d[a]=w[r],m[a]=1,++a,n=b.length-1;-1!==n;--n)i=b[n],s=y[w[i]],b[n]=0,y[w[i]]=0,i<=r?(v[o]=i,g[o]=s,++o):(d[a]=w[i],m[a]=s/u,++a);l[r+1]=a,p[r+1]=o}for(n=d.length-1;-1!==n;--n)d[n]=_[d[n]];return{L:f,U:h,P:w,Pinv:_}},numeric.ccsLUP=numeric.ccsLUP0,numeric.ccsDim=function(e){return[numeric.sup(e[1])+1,e[0].length-1]},numeric.ccsGetBlock=function(e,t,r){var n=numeric.ccsDim(e),i=n[0],a=n[1];void 0===t?t=numeric.linspace(0,i-1):"number"==typeof t&&(t=[t]),void 0===r?r=numeric.linspace(0,a-1):"number"==typeof r&&(r=[r]);var o,s,u,c,f,h=t.length,l=r.length,d=numeric.rep([a],0),m=[],p=[],v=[d,m,p],g=e[0],y=e[1],b=e[2],M=numeric.rep([i],0),x=0,w=numeric.rep([i],0);for(s=0;s<l;++s){c=r[s];var _=g[c],S=g[c+1];for(o=_;o<S;++o)u=y[o],w[u]=1,M[u]=b[o];for(o=0;o<h;++o)f=t[o],w[f]&&(m[x]=o,p[x]=M[t[o]],++x);for(o=_;o<S;++o)u=y[o],w[u]=0;d[s+1]=x}return v},numeric.ccsDot=function(e,t){var r,n,i,a,o,s,u,c,f,h,l,d=e[0],m=e[1],p=e[2],v=t[0],g=t[1],y=t[2],b=numeric.ccsDim(e),M=numeric.ccsDim(t),x=b[0],w=(b[1],M[1]),_=numeric.rep([x],0),S=numeric.rep([x],0),C=Array(x),P=numeric.rep([w],0),A=[],k=[],j=[P,A,k];for(i=0;i!==w;++i){for(a=v[i],o=v[i+1],f=0,n=a;n<o;++n)for(h=g[n],l=y[n],s=d[h],u=d[h+1],r=s;r<u;++r)c=m[r],0===S[c]&&(C[f]=c,S[c]=1,f+=1),_[c]=_[c]+p[r]*l;for(a=P[i],o=a+f,P[i+1]=o,n=f-1;-1!==n;--n)l=a+n,r=C[n],A[l]=r,k[l]=_[r],S[r]=0,_[r]=0;P[i+1]=P[i]+f}return j},numeric.ccsLUPSolve=function(e,t){var r=e.L,n=e.U,i=(e.P,t[0]),a=!1;"object"!=typeof i&&(t=[[0,t.length],numeric.linspace(0,t.length-1),t],i=t[0],a=!0);var o,s,u,c,f,h,l=t[1],d=t[2],m=r[0].length-1,p=i.length-1,v=numeric.rep([m],0),g=Array(m),y=numeric.rep([m],0),b=Array(m),M=numeric.rep([p+1],0),x=[],w=[],_=numeric.ccsTSolve,S=0;for(o=0;o<p;++o){for(f=0,u=i[o],c=i[o+1],s=u;s<c;++s)h=e.Pinv[l[s]],b[f]=h,y[h]=d[s],++f;for(b.length=f,_(r,y,v,b,g),s=b.length-1;-1!==s;--s)y[b[s]]=0;if(_(n,v,y,g,b),a)return y;for(s=g.length-1;-1!==s;--s)v[g[s]]=0;for(s=b.length-1;-1!==s;--s)h=b[s],x[S]=h,w[S]=y[h],y[h]=0,++S;M[o+1]=S}return[M,x,w]},numeric.ccsbinop=function(e,t){return void 0===t&&(t=""),Function("X","Y","var Xi = X[0], Xj = X[1], Xv = X[2];\nvar Yi = Y[0], Yj = Y[1], Yv = Y[2];\nvar n = Xi.length-1,m = Math.max(numeric.sup(Xj),numeric.sup(Yj))+1;\nvar Zi = numeric.rep([n+1],0), Zj = [], Zv = [];\nvar x = numeric.rep([m],0),y = numeric.rep([m],0);\nvar xk,yk,zk;\nvar i,j,j0,j1,k,p=0;\n"+t+"for(i=0;i<n;++i) {\n  j0 = Xi[i]; j1 = Xi[i+1];\n  for(j=j0;j!==j1;++j) {\n    k = Xj[j];\n    x[k] = 1;\n    Zj[p] = k;\n    ++p;\n  }\n  j0 = Yi[i]; j1 = Yi[i+1];\n  for(j=j0;j!==j1;++j) {\n    k = Yj[j];\n    y[k] = Yv[j];\n    if(x[k] === 0) {\n      Zj[p] = k;\n      ++p;\n    }\n  }\n  Zi[i+1] = p;\n  j0 = Xi[i]; j1 = Xi[i+1];\n  for(j=j0;j!==j1;++j) x[Xj[j]] = Xv[j];\n  j0 = Zi[i]; j1 = Zi[i+1];\n  for(j=j0;j!==j1;++j) {\n    k = Zj[j];\n    xk = x[k];\n    yk = y[k];\n"+e+"\n    Zv[j] = zk;\n  }\n  j0 = Xi[i]; j1 = Xi[i+1];\n  for(j=j0;j!==j1;++j) x[Xj[j]] = 0;\n  j0 = Yi[i]; j1 = Yi[i+1];\n  for(j=j0;j!==j1;++j) y[Yj[j]] = 0;\n}\nreturn [Zi,Zj,Zv];")},function(){var k,A,B,C;for(k in numeric.ops2)A=isFinite(eval("1"+numeric.ops2[k]+"0"))?"[Y[0],Y[1],numeric."+k+"(X,Y[2])]":"NaN",B=isFinite(eval("0"+numeric.ops2[k]+"1"))?"[X[0],X[1],numeric."+k+"(X[2],Y)]":"NaN",C=isFinite(eval("1"+numeric.ops2[k]+"0"))&&isFinite(eval("0"+numeric.ops2[k]+"1"))?"numeric.ccs"+k+"MM(X,Y)":"NaN",numeric["ccs"+k+"MM"]=numeric.ccsbinop("zk = xk "+numeric.ops2[k]+"yk;"),numeric["ccs"+k]=Function("X","Y",'if(typeof X === "number") return '+A+';\nif(typeof Y === "number") return '+B+";\nreturn "+C+";\n")}(),numeric.ccsScatter=function(e){var t,r=e[0],n=e[1],i=e[2],a=numeric.sup(n)+1,o=r.length,s=numeric.rep([a],0),u=Array(o),c=Array(o),f=numeric.rep([a],0);for(t=0;t<o;++t)f[n[t]]++;for(t=0;t<a;++t)s[t+1]=s[t]+f[t];var h,l,d=s.slice(0);for(t=0;t<o;++t)l=n[t],h=d[l],u[h]=r[t],c[h]=i[t],d[l]=d[l]+1;return[s,u,c]},numeric.ccsGather=function(e){var t,r,n,i,a,o=e[0],s=e[1],u=e[2],c=o.length-1,f=s.length,h=Array(f),l=Array(f),d=Array(f);for(a=0,t=0;t<c;++t)for(n=o[t],i=o[t+1],r=n;r!==i;++r)l[a]=t,h[a]=s[r],d[a]=u[r],++a;return[h,l,d]},numeric.sdim=function e(t,r,n){if(void 0===r&&(r=[]),"object"!=typeof t)return r;void 0===n&&(n=0),n in r||(r[n]=0),t.length>r[n]&&(r[n]=t.length);var i;for(i in t)t.hasOwnProperty(i)&&e(t[i],r,n+1);return r},numeric.sclone=function e(t,r,n){void 0===r&&(r=0),void 0===n&&(n=numeric.sdim(t).length);var i,a=Array(t.length);if(r===n-1){for(i in t)t.hasOwnProperty(i)&&(a[i]=t[i]);return a}for(i in t)t.hasOwnProperty(i)&&(a[i]=e(t[i],r+1,n));return a},numeric.sdiag=function(e){var t,r,n=e.length,i=Array(n);for(t=n-1;t>=1;t-=2)r=t-1,i[t]=[],i[t][t]=e[t],i[r]=[],i[r][r]=e[r];return 0===t&&(i[0]=[],i[0][0]=e[t]),i},numeric.sidentity=function(e){return numeric.sdiag(numeric.rep([e],1))},numeric.stranspose=function(e){var t,r,n,i=[];e.length;for(t in e)if(e.hasOwnProperty(t)){n=e[t];for(r in n)n.hasOwnProperty(r)&&("object"!=typeof i[r]&&(i[r]=[]),i[r][t]=n[r])}return i},numeric.sLUP=function(e,t){throw new Error("The function numeric.sLUP had a bug in it and has been removed. Please use the new numeric.ccsLUP function instead.")},numeric.sdotMM=function(e,t){var r,n,i,a,o,s,u,c=e.length,f=(t.length,numeric.stranspose(t)),h=f.length,l=Array(c);for(i=c-1;i>=0;i--){for(u=[],r=e[i],o=h-1;o>=0;o--){s=0,n=f[o];for(a in r)r.hasOwnProperty(a)&&a in n&&(s+=r[a]*n[a]);s&&(u[o]=s)}l[i]=u}return l},numeric.sdotMV=function(e,t){var r,n,i,a,o=e.length,s=Array(o);for(n=o-1;n>=0;n--){r=e[n],a=0;for(i in r)r.hasOwnProperty(i)&&t[i]&&(a+=r[i]*t[i]);a&&(s[n]=a)}return s},numeric.sdotVM=function(e,t){var r,n,i,a,o=[];for(r in e)if(e.hasOwnProperty(r)){i=t[r],a=e[r];for(n in i)i.hasOwnProperty(n)&&(o[n]||(o[n]=0),o[n]+=a*i[n])}return o},numeric.sdotVV=function(e,t){var r,n=0;for(r in e)e[r]&&t[r]&&(n+=e[r]*t[r]);return n},numeric.sdot=function(e,t){var r=numeric.sdim(e).length,n=numeric.sdim(t).length;switch(1e3*r+n){case 0:return e*t;case 1001:return numeric.sdotVV(e,t);case 2001:return numeric.sdotMV(e,t);case 1002:return numeric.sdotVM(e,t);case 2002:return numeric.sdotMM(e,t);default:throw new Error("numeric.sdot not implemented for tensors of order "+r+" and "+n)}},numeric.sscatter=function(e){var t,r,n,i,a=e[0].length,o=e.length,s=[];for(r=a-1;r>=0;--r)if(e[o-1][r]){for(i=s,n=0;n<o-2;n++)t=e[n][r],i[t]||(i[t]=[]),i=i[t];i[e[n][r]]=e[n+1][r]}return s},numeric.sgather=function e(t,r,n){void 0===r&&(r=[]),void 0===n&&(n=[]);var i,a,o;i=n.length;for(a in t)if(t.hasOwnProperty(a))if(n[i]=parseInt(a),"number"==typeof(o=t[a])){if(o){if(0===r.length)for(a=i+1;a>=0;--a)r[a]=[];for(a=i;a>=0;--a)r[a].push(n[a]);r[i+1].push(o)}}else e(o,r,n);return n.length>i&&n.pop(),r},numeric.cLU=function(e){var t,r,n,i,a,o,s=e[0],u=e[1],c=e[2],f=s.length,h=0;for(t=0;t<f;t++)s[t]>h&&(h=s[t]);h++;var l,d,m,p=Array(h),v=Array(h),g=numeric.rep([h],1/0),y=numeric.rep([h],-1/0);for(n=0;n<f;n++)t=s[n],r=u[n],r<g[t]&&(g[t]=r),r>y[t]&&(y[t]=r);for(t=0;t<h-1;t++)y[t]>y[t+1]&&(y[t+1]=y[t]);for(t=h-1;t>=1;t--)g[t]<g[t-1]&&(g[t-1]=g[t]);var b=0,M=0;for(t=0;t<h;t++)v[t]=numeric.rep([y[t]-g[t]+1],0),p[t]=numeric.rep([t-g[t]],0),b+=t-g[t]+1,M+=y[t]-t+1;for(n=0;n<f;n++)t=s[n],v[t][u[n]-g[t]]=c[n];for(t=0;t<h-1;t++)for(i=t-g[t],l=v[t],r=t+1;g[r]<=t&&r<h;r++)if(a=t-g[r],o=y[t]-t,d=v[r],m=d[a]/l[i]){for(n=1;n<=o;n++)d[n+a]-=m*l[n+i];p[r][t-g[r]]=m}var f,x,w,l=[],d=[],_=[],S=[],C=[],P=[];for(f=0,x=0,t=0;t<h;t++){for(i=g[t],a=y[t],w=v[t],r=t;r<=a;r++)w[r-i]&&(l[f]=t,d[f]=r,_[f]=w[r-i],f++);for(w=p[t],r=i;r<t;r++)w[r-i]&&(S[x]=t,C[x]=r,P[x]=w[r-i],x++);S[x]=t,C[x]=t,P[x]=1,x++}return{U:[l,d,_],L:[S,C,P]}},numeric.cLUsolve=function(e,t){var r,n,i=e.L,a=e.U,o=numeric.clone(t),s=i[0],u=i[1],c=i[2],f=a[0],h=a[1],l=a[2],d=f.length,m=(s.length,o.length);for(n=0,r=0;r<m;r++){for(;u[n]<r;)o[r]-=c[n]*o[u[n]],n++;n++}for(n=d-1,r=m-1;r>=0;r--){for(;h[n]>r;)o[r]-=l[n]*o[h[n]],n--;o[r]/=l[n],n--}return o},numeric.cgrid=function(e,t){"number"==typeof e&&(e=[e,e]);var r,n,i,a=numeric.rep(e,-1);if("function"!=typeof t)switch(t){case"L":t=function(t,r){return t>=e[0]/2||r<e[1]/2};break;default:t=function(e,t){return!0}}for(i=0,r=1;r<e[0]-1;r++)for(n=1;n<e[1]-1;n++)t(r,n)&&(a[r][n]=i,i++);return a},numeric.cdelsq=function(e){var t,r,n,i,a,o=[[-1,0],[0,-1],[0,1],[1,0]],s=numeric.dim(e),u=s[0],c=s[1],f=[],h=[],l=[];for(t=1;t<u-1;t++)for(r=1;r<c-1;r++)if(!(e[t][r]<0)){for(n=0;n<4;n++)i=t+o[n][0],a=r+o[n][1],e[i][a]<0||(f.push(e[t][r]),h.push(e[i][a]),l.push(-1));f.push(e[t][r]),h.push(e[t][r]),l.push(4)}return[f,h,l]},numeric.cdotMV=function(e,t){var r,n,i,a=e[0],o=e[1],s=e[2],u=a.length;for(i=0,n=0;n<u;n++)a[n]>i&&(i=a[n]);for(i++,r=numeric.rep([i],0),n=0;n<u;n++)r[a[n]]+=s[n]*t[o[n]];return r},numeric.Spline=function(e,t,r,n,i){this.x=e,this.yl=t,this.yr=r,this.kl=n,this.kr=i},numeric.Spline.prototype._at=function(e,t){var e,r,n,i,a=this.x,o=this.yl,s=this.yr,u=this.kl,c=this.kr,f=numeric.add,h=numeric.sub,l=numeric.mul;r=h(l(u[t],a[t+1]-a[t]),h(s[t+1],o[t])),n=f(l(c[t+1],a[t]-a[t+1]),h(s[t+1],o[t])),i=(e-a[t])/(a[t+1]-a[t]);var d=i*(1-i);return f(f(f(l(1-i,o[t]),l(i,s[t+1])),l(r,d*(1-i))),l(n,d*i))},numeric.Spline.prototype.at=function(e){if("number"==typeof e){var t,r,n,i=this.x,a=i.length,o=Math.floor;for(t=0,r=a-1;r-t>1;)n=o((t+r)/2),i[n]<=e?t=n:r=n;return this._at(e,t)}var s,a=e.length,u=Array(a);for(s=a-1;-1!==s;--s)u[s]=this.at(e[s]);return u},numeric.Spline.prototype.diff=function(){var e,t,r,n=this.x,i=this.yl,a=this.yr,o=this.kl,s=this.kr,u=i.length,c=o,f=s,h=Array(u),l=Array(u),d=numeric.add,m=numeric.mul,p=numeric.div,v=numeric.sub;for(e=u-1;-1!==e;--e)t=n[e+1]-n[e],r=v(a[e+1],i[e]),h[e]=p(d(m(r,6),m(o[e],-4*t),m(s[e+1],-2*t)),t*t),l[e+1]=p(d(m(r,-6),m(o[e],2*t),m(s[e+1],4*t)),t*t);return new numeric.Spline(n,c,f,h,l)},numeric.Spline.prototype.roots=function(){var e=[],t=this.x,r=this.yl,n=this.yr,i=this.kl,a=this.kr;"number"==typeof r[0]&&(r=[r],n=[n],i=[i],a=[a]);var o,s,u,c,f,h,l,d,m,p,v,g,y,b,M,x,w,_,S,C,P,A,k,j=r.length,T=t.length-1,e=Array(j),O=Math.sqrt;for(o=0;o!==j;++o){for(c=r[o],f=n[o],h=i[o],l=a[o],d=[],s=0;s!==T;s++){for(s>0&&f[s]*c[s]<0&&d.push(t[s]),x=t[s+1]-t[s],t[s],v=c[s],g=f[s+1],m=h[s]/x,p=l[s+1]/x,M=function(e){return e*e}(m-p+3*(v-g))+12*p*v,y=p+3*v+2*m-3*g,b=3*(p+m+2*(v-g)),M<=0?(_=y/b,w=_>t[s]&&_<t[s+1]?[t[s],_,t[s+1]]:[t[s],t[s+1]]):(_=(y-O(M))/b,S=(y+O(M))/b,w=[t[s]],_>t[s]&&_<t[s+1]&&w.push(_),S>t[s]&&S<t[s+1]&&w.push(S),w.push(t[s+1])),P=w[0],_=this._at(P,s),u=0;u<w.length-1;u++)if(A=w[u+1],S=this._at(A,s),0!==_)if(0===S||_*S>0)P=A,_=S;else{for(var D=0;;){if((k=(_*A-S*P)/(_-S))<=P||k>=A)break;if((C=this._at(k,s))*S>0)A=k,S=C,-1===D&&(_*=.5),D=-1;else{if(!(C*_>0))break;P=k,_=C,1===D&&(S*=.5),D=1}}d.push(k),P=w[u+1],_=this._at(P,s)}else d.push(P),P=A,_=S;0===S&&d.push(A)}e[o]=d}return"number"==typeof this.yl[0]?e[0]:e},numeric.spline=function(e,t,r,n){var i,a=e.length,o=[],s=[],u=[],c=numeric.sub,f=numeric.mul,h=numeric.add;for(i=a-2;i>=0;i--)s[i]=e[i+1]-e[i],u[i]=c(t[i+1],t[i]);"string"!=typeof r&&"string"!=typeof n||(r=n="periodic");var l=[[],[],[]];switch(typeof r){case"undefined":o[0]=f(3/(s[0]*s[0]),u[0]),l[0].push(0,0),l[1].push(0,1),l[2].push(2/s[0],1/s[0]);break;case"string":o[0]=h(f(3/(s[a-2]*s[a-2]),u[a-2]),f(3/(s[0]*s[0]),u[0])),l[0].push(0,0,0),l[1].push(a-2,0,1),l[2].push(1/s[a-2],2/s[a-2]+2/s[0],1/s[0]);break;default:o[0]=r,l[0].push(0),l[1].push(0),l[2].push(1)}for(i=1;i<a-1;i++)o[i]=h(f(3/(s[i-1]*s[i-1]),u[i-1]),f(3/(s[i]*s[i]),u[i])),l[0].push(i,i,i),l[1].push(i-1,i,i+1),l[2].push(1/s[i-1],2/s[i-1]+2/s[i],1/s[i]);switch(typeof n){case"undefined":o[a-1]=f(3/(s[a-2]*s[a-2]),u[a-2]),l[0].push(a-1,a-1),l[1].push(a-2,a-1),l[2].push(1/s[a-2],2/s[a-2]);break;case"string":l[1][l[1].length-1]=0;break;default:o[a-1]=n,l[0].push(a-1),l[1].push(a-1),l[2].push(1)}o="number"!=typeof o[0]?numeric.transpose(o):[o];var d=Array(o.length);if("string"==typeof r)for(i=d.length-1;-1!==i;--i)d[i]=numeric.ccsLUPSolve(numeric.ccsLUP(numeric.ccsScatter(l)),o[i]),d[i][a-1]=d[i][0];else for(i=d.length-1;-1!==i;--i)d[i]=numeric.cLUsolve(numeric.cLU(l),o[i]);return d="number"==typeof t[0]?d[0]:numeric.transpose(d),new numeric.Spline(e,t,t,d,d)},numeric.fftpow2=function e(t,r){var n=t.length;if(1!==n){var i,a,o=Math.cos,s=Math.sin,u=Array(n/2),c=Array(n/2),f=Array(n/2),h=Array(n/2);for(a=n/2,i=n-1;-1!==i;--i)--a,f[a]=t[i],h[a]=r[i],--i,u[a]=t[i],c[a]=r[i];e(u,c),e(f,h),a=n/2;var l,d,m,p=-6.283185307179586/n;for(i=n-1;-1!==i;--i)--a,-1===a&&(a=n/2-1),l=p*i,d=o(l),m=s(l),t[i]=u[a]+d*f[a]-m*h[a],r[i]=c[a]+d*h[a]+m*f[a]}},numeric._ifftpow2=function e(t,r){var n=t.length;if(1!==n){var i,a,o=Math.cos,s=Math.sin,u=Array(n/2),c=Array(n/2),f=Array(n/2),h=Array(n/2);for(a=n/2,i=n-1;-1!==i;--i)--a,f[a]=t[i],h[a]=r[i],--i,u[a]=t[i],c[a]=r[i];e(u,c),e(f,h),a=n/2;var l,d,m,p=6.283185307179586/n;for(i=n-1;-1!==i;--i)--a,-1===a&&(a=n/2-1),l=p*i,d=o(l),m=s(l),t[i]=u[a]+d*f[a]-m*h[a],r[i]=c[a]+d*h[a]+m*f[a]}},numeric.ifftpow2=function(e,t){numeric._ifftpow2(e,t),numeric.diveq(e,e.length),numeric.diveq(t,t.length)},numeric.convpow2=function(e,t,r,n){numeric.fftpow2(e,t),numeric.fftpow2(r,n);var i,a,o,s,u,c=e.length;for(i=c-1;-1!==i;--i)a=e[i],s=t[i],o=r[i],u=n[i],e[i]=a*o-s*u,t[i]=a*u+s*o;numeric.ifftpow2(e,t)},numeric.T.prototype.fft=function(){var e,t,r=this.x,n=this.y,i=r.length,a=Math.log,o=a(2),s=Math.ceil(a(2*i-1)/o),u=Math.pow(2,s),c=numeric.rep([u],0),f=numeric.rep([u],0),h=Math.cos,l=Math.sin,d=-3.141592653589793/i,m=numeric.rep([u],0),p=numeric.rep([u],0);Math.floor(i/2);for(e=0;e<i;e++)m[e]=r[e];if(void 0!==n)for(e=0;e<i;e++)p[e]=n[e];for(c[0]=1,e=1;e<=u/2;e++)t=d*e*e,c[e]=h(t),f[e]=l(t),c[u-e]=h(t),f[u-e]=l(t);var v=new numeric.T(m,p),g=new numeric.T(c,f);return v=v.mul(g),numeric.convpow2(v.x,v.y,numeric.clone(g.x),numeric.neg(g.y)),v=v.mul(g),v.x.length=i,v.y.length=i,v},numeric.T.prototype.ifft=function(){var e,t,r=this.x,n=this.y,i=r.length,a=Math.log,o=a(2),s=Math.ceil(a(2*i-1)/o),u=Math.pow(2,s),c=numeric.rep([u],0),f=numeric.rep([u],0),h=Math.cos,l=Math.sin,d=3.141592653589793/i,m=numeric.rep([u],0),p=numeric.rep([u],0);Math.floor(i/2);for(e=0;e<i;e++)m[e]=r[e];if(void 0!==n)for(e=0;e<i;e++)p[e]=n[e];for(c[0]=1,e=1;e<=u/2;e++)t=d*e*e,c[e]=h(t),f[e]=l(t),c[u-e]=h(t),f[u-e]=l(t);var v=new numeric.T(m,p),g=new numeric.T(c,f);return v=v.mul(g),numeric.convpow2(v.x,v.y,numeric.clone(g.x),numeric.neg(g.y)),v=v.mul(g),v.x.length=i,v.y.length=i,v.div(i)},numeric.gradient=function(e,t){var r=t.length,n=e(t);if(isNaN(n))throw new Error("gradient: f(x) is a NaN!");var i,a,o,s,u,c,f,h,l,d=Math.max,m=numeric.clone(t),p=Array(r),d=(numeric.div,numeric.sub,Math.max),v=Math.abs,g=Math.min,y=0;for(i=0;i<r;i++)for(var b=d(1e-6*n,1e-8);;){if(++y>20)throw new Error("Numerical gradient fails");if(m[i]=t[i]+b,a=e(m),m[i]=t[i]-b,o=e(m),m[i]=t[i],isNaN(a)||isNaN(o))b/=16;else{if(p[i]=(a-o)/(2*b),s=t[i]-b,u=t[i],c=t[i]+b,f=(a-n)/b,
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s,u,c,f,h,l,d,m,p,v,g,y,b,M=[e],x=[r],w=[n(e,r)],_=[],S=[.075,.225],C=[44/45,-56/15,32/9],P=[19372/6561,-25360/2187,64448/6561,-212/729],A=[9017/3168,-355/33,46732/5247,49/176,-5103/18656],k=[35/384,0,500/1113,125/192,-2187/6784,11/84],j=[.10013431883002395,0,.3918321794184259,-.02982460176594817,.05893268337240795,-.04497888809104361,.023904308236133973],T=[.2,.3,.8,8/9,1,1],O=[-71/57600,0,71/16695,-71/1920,17253/339200,-22/525,.025],D=0,R=(t-e)/10,E=0,q=numeric.add,N=numeric.mul,L=(Math.max,Math.min),F=Math.abs,I=numeric.norminf,B=Math.pow,V=numeric.any,Y=numeric.lt,G=numeric.and,z=(numeric.sub,new numeric.Dopri(M,x,w,_,-1,""));for("function"==typeof 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s,u,c,f,h=numeric.sum,l=(numeric.log,numeric.mul),d=numeric.sub,m=numeric.dot,p=numeric.div,v=numeric.add,g=e.length,y=r.length,b=!1,M=1,x=(numeric.transpose(t),numeric.svd,numeric.transpose),w=(numeric.leq,Math.sqrt),_=Math.abs,S=(numeric.muleq,numeric.norminf,numeric.any,Math.min),C=numeric.all,P=numeric.gt,A=Array(g),k=Array(y),j=(numeric.rep([y],1),numeric.solve),T=d(r,m(t,a)),O=m(e,e);for(c=0;c<i;++c){var D,R;for(D=y-1;-1!==D;--D)k[D]=p(t[D],T[D]);var E=x(k);for(D=g-1;-1!==D;--D)A[D]=h(E[D]);M=.25*_(O/m(e,A));var q=100*w(O/m(A,A));for((!isFinite(M)||M>q)&&(M=q),f=v(e,l(M,A)),u=m(E,k),D=g-1;-1!==D;--D)u[D][D]+=1;R=j(u,p(f,M),!0);var N=p(T,m(t,R)),L=1;for(D=y-1;-1!==D;--D)N[D]<0&&(L=S(L,-.999*N[D]));if(s=d(a,l(R,L)),T=d(r,m(t,s)),!C(P(T,0)))return{solution:a,message:"",iterations:c};if(a=s,M<n)return{solution:s,message:"",iterations:c};if(o){var F=m(e,f),I=m(t,f);for(b=!0,D=y-1;-1!==D;--D)if(F*I[D]<0){b=!1;break}}else b=!(a[g-1]>=0);if(b)return{solution:s,message:"Unbounded",iterations:c}}return{solution:a,message:"maximum iteration count exceeded",iterations:c}},numeric._solveLP=function(e,t,r,n,i){var a,o=e.length,s=r.length,u=(numeric.sum,numeric.log,numeric.mul,numeric.sub),c=numeric.dot,f=(numeric.div,numeric.add,numeric.rep([o],0).concat([1])),h=numeric.rep([s,1],-1),l=numeric.blockMatrix([[t,h]]),d=r,a=numeric.rep([o],0).concat(Math.max(0,numeric.sup(numeric.neg(r)))+1),m=numeric.__solveLP(f,l,d,n,i,a,!1),p=numeric.clone(m.solution);if(p.length=o,numeric.inf(u(r,c(t,p)))<0)return{solution:NaN,message:"Infeasible",iterations:m.iterations};var v=numeric.__solveLP(e,t,r,n,i-m.iterations,p,!0);return v.iterations+=m.iterations,v},numeric.solveLP=function(e,t,r,n,i,a,o){if(void 0===o&&(o=1e3),void 0===a&&(a=numeric.epsilon),void 0===n)return numeric._solveLP(e,t,r,a,o);var s,u=n.length,c=n[0].length,f=t.length,h=numeric.echelonize(n),l=numeric.rep([c],0),d=h.P,m=[];for(s=d.length-1;-1!==s;--s)l[d[s]]=1;for(s=c-1;-1!==s;--s)0===l[s]&&m.push(s);var p=numeric.getRange,v=numeric.linspace(0,u-1),g=numeric.linspace(0,f-1),y=p(n,v,m),b=p(t,g,d),M=p(t,g,m),x=numeric.dot,w=numeric.sub,_=x(b,h.I),S=w(M,x(_,y)),C=w(r,x(_,i)),P=Array(d.length),A=Array(m.length);for(s=d.length-1;-1!==s;--s)P[s]=e[d[s]];for(s=m.length-1;-1!==s;--s)A[s]=e[m[s]];var k=w(A,x(P,x(h.I,y))),j=numeric._solveLP(k,S,C,a,o),T=j.solution;if(T!==T)return j;var O=x(h.I,w(i,x(y,T))),D=Array(e.length);for(s=d.length-1;-1!==s;--s)D[d[s]]=O[s];for(s=m.length-1;-1!==s;--s)D[m[s]]=T[s];return{solution:D,message:j.message,iterations:j.iterations}},numeric.MPStoLP=function(e){function t(t){throw new Error("MPStoLP: "+t+"\nLine "+r+": "+e[r]+"\nCurrent state: "+s[o]+"\n")}e instanceof String&&e.split("\n");var r,n,i,a,o=0,s=["Initial 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n=m.default.sofaToSofaCartesian([],e.ListenerPosition.data[0],(0,l.conformSofaCoordinateSystem)(e.ListenerPosition.Type||"cartesian")),i=m.default.sofaToSofaCartesian([],e.ListenerView.data[0],(0,l.conformSofaCoordinateSystem)(e.ListenerView.Type||"cartesian")),a=m.default.sofaToSofaCartesian([],e.ListenerUp.data[0],(0,l.conformSofaCoordinateSystem)(e.ListenerUp.Type||"cartesian"));this._sofaToGl=u.mat4.lookAt([],n,i,a)}},{key:"_sourcePositionsToGl",value:function(e){var t=this,r=e.SourcePosition.data;switch(void 0!==e.SourcePosition.Type?e.SourcePosition.Type:"spherical"){case"cartesian":r.forEach(function(e){u.vec3.transformMat4(e,e,t._sofaToGl)});break;case"spherical":r.forEach(function(e){m.default.sofaSphericalToSofaCartesian(e,e),u.vec3.transformMat4(e,e,t._sofaToGl)});break;default:throw new Error("Bad source position type")}return r}},{key:"coordinateSystem",set:function(e){this._coordinateSystem=void 0!==e?e:"gl"},get:function(){return this._coordinateSystem}},{key:"filterCoordinateSystem",set:function(e){this._filterCoordinateSystem=void 0!==e?e:this.coordinateSystem},get:function(){return this._filterCoordinateSystem}},{key:"filterPositions",set:function(e){if(void 0===e)this._filterPositions=void 0;else switch(this.filterCoordinateSystem){case"gl":this._filterPositions=e.map(function(e){return e.slice(0)});break;case"sofaCartesian":this._filterPositions=e.map(function(e){return m.default.sofaCartesianToGl([],e)});break;case"sofaSpherical":this._filterPositions=e.map(function(e){return m.default.sofaSphericalToGl([],e)});break;default:throw new Error("Bad filter coordinate system")}},get:function(){var e=void 0;if(void 0!==this._filterPositions)switch(this.filterCoordinateSystem){case"gl":e=this._filterPositions.map(function(e){return e.slice(0)});break;case"sofaCartesian":e=this._filterPositions.map(function(e){return 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Error("SourcePosition not found");t(e.leaves[0].data)}catch(e){r(new Error("Unable to parse response from "+n+". "+e.message))}},i.send()})}}]),e}();r.default=u},{"./parseDataSet":78,"./parseXml":80}],78:[function(e,t,r){"use strict";function n(e){var t=[],r=e.match(o);return null!==r&&r.forEach(function(e){var r=s.exec(e);null!==r&&r.length>2&&t.push([r[1],Number(r[2])])}),t}function i(e){var t=[],r=e.match(c);return null!==r&&r.forEach(function(e){var r=f.exec(e);if(null!==r&&r.length>3){var i=[];i[0]=r[2],i[1]={},i[1].type=r[1],n(r[3]).forEach(function(e){i[1][e[0]]=e[1]}),t.push(i)}}),t}function a(e){var t={},r=h.exec(e);return null!==r&&r.length>1&&i(r[1]).forEach(function(e){t[e[0]]=e[1]}),t}Object.defineProperty(r,"__esModule",{value:!0}),r._parseDimension=n,r._parseDefinition=i,r.parseDataSet=a;var o=new RegExp("\\[\\s*(\\w+)\\s*=\\s*(\\d+)\\s*\\]","g"),s=new RegExp("\\[\\s*(\\w+)\\s*=\\s*(\\d+)\\s*\\]"),u="\\s*(\\w+)\\s*([\\w.]+)\\s*((?:\\[[^\\]]+\\]\\s*)+);\\s*",c=new RegExp(u,"g"),f=new RegExp(u),h=new RegExp("\\s*Dataset\\s*\\{\\s*((?:[^;]+;\\s*)*)\\s*\\}\\s*[\\w.]+\\s*;\\s*");r.default=a},{}],79:[function(e,t,r){"use strict";function n(e){try{var t=JSON.parse(e),r={};if(r.name=t.name,void 0!==t.attributes){r.metaData={};var n=t.attributes.find(function(e){return"NC_GLOBAL"===e.name});void 0!==n&&n.attributes.forEach(function(e){r.metaData[e.name]=e.value[0]})}if(void 0!==t.leaves){t.leaves.forEach(function(e){r[e.name]={},e.attributes.forEach(function(t){r[e.name][t.name]=t.value[0]}),r[e.name].shape=e.shape,r[e.name].data=e.data})}return r}catch(e){throw new Error("Unable to parse SOFA string. "+e.message)}}function i(e){var t={};if(void 0!==e.name&&(t.name=e.name),void 0!==e.metaData){t.attributes=[];var r={name:"NC_GLOBAL",attributes:[]};for(var n in e.metaData)e.metaData.hasOwnProperty(n)&&r.attributes.push({name:n,value:[e.metaData[n]]});t.attributes.push(r)}var i="Float64",a=void 0;if(t.leaves=[],[["ListenerPosition","ListenerPositionType"],["ListenerUp","ListenerUpType"],["ListenerView","ListenerViewType"]].forEach(function(r){var n=r[0],o=e[n],s=e[r[1]];if(void 0!==o){switch(s){case"cartesian":a=[{name:"Type",value:["cartesian"]},{name:"Units",value:["metre, metre, metre"]}];break;case"spherical":a=[{name:"Type",value:["spherical"]},{name:"Units",value:["degree, degree, metre"]}];break;default:throw new Error("Unknown coordinate system type "+s+" for "+o)}t.leaves.push({name:n,type:i,attributes:a,shape:[1,3],data:[o]})}}),void 0!==e.SourcePosition){switch(e.SourcePositionType){case"cartesian":a=[{name:"Type",value:["cartesian"]},{name:"Units",value:["metre, metre, 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metre"]}],shape:[1],data:[e.RoomVolume]}),t.nodes=[],JSON.stringify(t)}function a(e){var t=void 0;switch(e){case"cartesian":t="sofaCartesian";break;case"spherical":t="sofaSpherical";break;default:throw new Error("Bad SOFA type "+e)}return t}Object.defineProperty(r,"__esModule",{value:!0}),r.parseSofa=n,r.stringifySofa=i,r.conformSofaCoordinateSystem=a,r.default={parseSofa:n,conformSofaCoordinateSystem:a}},{}],80:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var n=r.parseXml=void 0;if(void 0!==window.DOMParser)r.parseXml=n=function(e){return(new window.DOMParser).parseFromString(e,"text/xml")};else{if(void 0===window.ActiveXObject||!new window.ActiveXObject("Microsoft.XMLDOM"))throw new Error("No XML parser found");r.parseXml=n=function(e){var t=new window.ActiveXObject("Microsoft.XMLDOM");return t.async="false",t.loadXML(e),t}}r.default=n},{}],81:[function(e,t,r){t.exports={_from:"github:Ircam-RnD/serveSofaHrir",_id:"serve-sofa-hrir@0.4.2",_inBundle:!1,_integrity:"",_location:"/serve-sofa-hrir",_phantomChildren:{},_requested:{type:"git",raw:"serve-sofa-hrir@github:Ircam-RnD/serveSofaHrir",name:"serve-sofa-hrir",escapedName:"serve-sofa-hrir",rawSpec:"github:Ircam-RnD/serveSofaHrir",saveSpec:"github:Ircam-RnD/serveSofaHrir",fetchSpec:null,gitCommittish:null},_requiredBy:["/"],_resolved:"github:Ircam-RnD/serveSofaHrir#71df5cec963f5f99482ee51b44814a4b7f504847",_spec:"serve-sofa-hrir@github:Ircam-RnD/serveSofaHrir",_where:"/Users/pyrus/Projects/Cosima/JSAmbisonics",authors:["Jean-Philippe.Lambert@ircam.fr","Arnau Julià 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