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How to use discreteSum method in wpt
Best JavaScript code snippet using wpt
mixing-rules.js
Source:mixing-rules.js 
...91 * In-place summing to |output| based on 'discrete' channel interpretation.92 * @param {AudioBuffer} input Input audio buffer.93 * @param {AudioBuffer} output Output audio buffer.94 */95function discreteSum(input, output) {96 if (input.length != output.length) {97 throw '[mixing-rules.js] speakerSum(): buffer lengths mismatch (input: '98 + input.length + ', output: ' + output.length + ')';99 }100 var numberOfChannels = Math.min(input.numberOfChannels, output.numberOfChannels)101 for (var channel = 0; channel < numberOfChannels; ++channel) {102 var inputChannel = input.getChannelData(channel);103 var outputChannel = output.getChannelData(channel);104 for (var i = 0; i < outputChannel.length; i++)105 outputChannel[i] += inputChannel[i];106 }107}108/**109 * Perform up-mix by in-place summing to |output| buffer.110 * @param {AudioBuffer} input Input audio buffer.111 * @param {AudioBuffer} output Output audio buffer.112 */113function processUpMix(input, output) {114 var numberOfInputChannels = input.numberOfChannels;115 var numberOfOutputChannels = output.numberOfChannels;116 var i, length = output.length;117 // Up-mixing: 1 -> 2, 1 -> 4118 // output.L += input119 // output.R += input120 // output.SL += 0 (in the case of 1 -> 4)121 // output.SR += 0 (in the case of 1 -> 4)122 if ((numberOfInputChannels === 1 && numberOfOutputChannels === 2) ||123 (numberOfInputChannels === 1 && numberOfOutputChannels === 4)) {124 var inputChannel = input.getChannelData(0);125 var outputChannel0 = output.getChannelData(0);126 var outputChannel1 = output.getChannelData(1);127 for (i = 0; i < length; i++) {128 outputChannel0[i] += inputChannel[i];129 outputChannel1[i] += inputChannel[i];130 }131 return;132 }133 // Up-mixing: 1 -> 5.1134 // output.L += 0135 // output.R += 0136 // output.C += input137 // output.LFE += 0138 // output.SL += 0139 // output.SR += 0140 if (numberOfInputChannels == 1 && numberOfOutputChannels == 6) {141 var inputChannel = input.getChannelData(0);142 var outputChannel2 = output.getChannelData(2);143 for (i = 0; i < length; i++)144 outputChannel2[i] += inputChannel[i];145 return;146 }147 // Up-mixing: 2 -> 4, 2 -> 5.1148 // output.L += input.L149 // output.R += input.R150 // output.C += 0 (in the case of 2 -> 5.1)151 // output.LFE += 0 (in the case of 2 -> 5.1)152 // output.SL += 0153 // output.SR += 0154 if ((numberOfInputChannels === 2 && numberOfOutputChannels === 4) ||155 (numberOfInputChannels === 2 && numberOfOutputChannels === 6)) {156 var inputChannel0 = input.getChannelData(0);157 var inputChannel1 = input.getChannelData(1);158 var outputChannel0 = output.getChannelData(0);159 var outputChannel1 = output.getChannelData(1);160 for (i = 0; i < length; i++) {161 outputChannel0[i] += inputChannel0[i];162 outputChannel1[i] += inputChannel1[i];163 }164 return;165 }166 // Up-mixing: 4 -> 5.1167 // output.L += input.L168 // output.R += input.R169 // output.C += 0170 // output.LFE += 0171 // output.SL += input.SL172 // output.SR += input.SR173 if (numberOfInputChannels === 4 && numberOfOutputChannels === 6) {174 var inputChannel0 = input.getChannelData(0); // input.L175 var inputChannel1 = input.getChannelData(1); // input.R176 var inputChannel2 = input.getChannelData(2); // input.SL177 var inputChannel3 = input.getChannelData(3); // input.SR178 var outputChannel0 = output.getChannelData(0); // output.L179 var outputChannel1 = output.getChannelData(1); // output.R180 var outputChannel4 = output.getChannelData(4); // output.SL181 var outputChannel5 = output.getChannelData(5); // output.SR182 for (i = 0; i < length; i++) {183 outputChannel0[i] += inputChannel0[i];184 outputChannel1[i] += inputChannel1[i];185 outputChannel4[i] += inputChannel2[i];186 outputChannel5[i] += inputChannel3[i];187 }188 return;189 }190 // All other cases, fall back to the discrete sum.191 discreteSum(input, output);192}193/**194 * Perform down-mix by in-place summing to |output| buffer.195 * @param {AudioBuffer} input Input audio buffer.196 * @param {AudioBuffer} output Output audio buffer.197 */198function processDownMix(input, output) {199 var numberOfInputChannels = input.numberOfChannels;200 var numberOfOutputChannels = output.numberOfChannels;201 var i, length = output.length;202 // Down-mixing: 2 -> 1203 // output += 0.5 * (input.L + input.R)204 if (numberOfInputChannels === 2 && numberOfOutputChannels === 1) {205 var inputChannel0 = input.getChannelData(0); // input.L206 var inputChannel1 = input.getChannelData(1); // input.R207 var outputChannel0 = output.getChannelData(0);208 for (i = 0; i < length; i++)209 outputChannel0[i] += 0.5 * (inputChannel0[i] + inputChannel1[i]);210 return;211 }212 // Down-mixing: 4 -> 1213 // output += 0.25 * (input.L + input.R + input.SL + input.SR)214 if (numberOfInputChannels === 4 && numberOfOutputChannels === 1) {215 var inputChannel0 = input.getChannelData(0); // input.L216 var inputChannel1 = input.getChannelData(1); // input.R217 var inputChannel2 = input.getChannelData(2); // input.SL218 var inputChannel3 = input.getChannelData(3); // input.SR219 var outputChannel0 = output.getChannelData(0);220 for (i = 0; i < length; i++) {221 outputChannel0[i] += 0.25 * (inputChannel0[i] + inputChannel1[i]222 + inputChannel2[i] + inputChannel3[i]);223 }224 return;225 }226 // Down-mixing: 5.1 -> 1227 // output += sqrt(1/2) * (input.L + input.R) + input.C228 // + 0.5 * (input.SL + input.SR)229 if (numberOfInputChannels === 6 && numberOfOutputChannels === 1) {230 var inputChannel0 = input.getChannelData(0); // input.L231 var inputChannel1 = input.getChannelData(1); // input.R232 var inputChannel2 = input.getChannelData(2); // input.C233 var inputChannel4 = input.getChannelData(4); // input.SL234 var inputChannel5 = input.getChannelData(5); // input.SR235 var outputChannel0 = output.getChannelData(0);236 var scaleSqrtHalf = Math.sqrt(0.5);237 for (i = 0; i < length; i++) {238 outputChannel0[i] +=239 scaleSqrtHalf * (inputChannel0[i] + inputChannel1[i])240 + inputChannel2[i] + 0.5 * (inputChannel4[i] + inputChannel5[i]);241 }242 return;243 }244 // Down-mixing: 4 -> 2245 // output.L += 0.5 * (input.L + input.SL)246 // output.R += 0.5 * (input.R + input.SR)247 if (numberOfInputChannels == 4 && numberOfOutputChannels == 2) {248 var inputChannel0 = input.getChannelData(0); // input.L249 var inputChannel1 = input.getChannelData(1); // input.R250 var inputChannel2 = input.getChannelData(2); // input.SL251 var inputChannel3 = input.getChannelData(3); // input.SR252 var outputChannel0 = output.getChannelData(0); // output.L253 var outputChannel1 = output.getChannelData(1); // output.R254 for (i = 0; i < length; i++) {255 outputChannel0[i] += 0.5 * (inputChannel0[i] + inputChannel2[i]);256 outputChannel1[i] += 0.5 * (inputChannel1[i] + inputChannel3[i]);257 }258 return;259 }260 // Down-mixing: 5.1 -> 2261 // output.L += input.L + sqrt(1/2) * (input.C + input.SL)262 // output.R += input.R + sqrt(1/2) * (input.C + input.SR)263 if (numberOfInputChannels == 6 && numberOfOutputChannels == 2) {264 var inputChannel0 = input.getChannelData(0); // input.L265 var inputChannel1 = input.getChannelData(1); // input.R266 var inputChannel2 = input.getChannelData(2); // input.C267 var inputChannel4 = input.getChannelData(4); // input.SL268 var inputChannel5 = input.getChannelData(5); // input.SR269 var outputChannel0 = output.getChannelData(0); // output.L270 var outputChannel1 = output.getChannelData(1); // output.R271 var scaleSqrtHalf = Math.sqrt(0.5);272 for (i = 0; i < length; i++) {273 outputChannel0[i] += inputChannel0[i]274 + scaleSqrtHalf * (inputChannel2[i] + inputChannel4[i]);275 outputChannel1[i] += inputChannel1[i]276 + scaleSqrtHalf * (inputChannel2[i] + inputChannel5[i]);277 }278 return;279 }280 // Down-mixing: 5.1 -> 4281 // output.L += input.L + sqrt(1/2) * input.C282 // output.R += input.R + sqrt(1/2) * input.C283 // output.SL += input.SL284 // output.SR += input.SR285 if (numberOfInputChannels === 6 && numberOfOutputChannels === 4) {286 var inputChannel0 = input.getChannelData(0); // input.L287 var inputChannel1 = input.getChannelData(1); // input.R288 var inputChannel2 = input.getChannelData(2); // input.C289 var inputChannel4 = input.getChannelData(4); // input.SL290 var inputChannel5 = input.getChannelData(5); // input.SR291 var outputChannel0 = output.getChannelData(0); // output.L292 var outputChannel1 = output.getChannelData(1); // output.R293 var outputChannel2 = output.getChannelData(2); // output.SL294 var outputChannel3 = output.getChannelData(3); // output.SR295 var scaleSqrtHalf = Math.sqrt(0.5);296 for (i = 0; i < length; i++) {297 outputChannel0[i] += inputChannel0[i] + scaleSqrtHalf * inputChannel2[i];298 outputChannel1[i] += inputChannel1[i] + scaleSqrtHalf * inputChannel2[i];299 outputChannel2[i] += inputChannel4[i];300 outputChannel3[i] += inputChannel5[i];301 }302 return;303 }304 // All other cases, fall back to the discrete sum.305 discreteSum(input, output);...
preisach_utils.js
Source:preisach_utils.js
...72 /**73 * get sum of combo74 * @return {number}, the sum75 */76 function discreteSum(arr, weights) {77 let sum = 0;78 let k = 0;79 // console.log('arr = ', arr);80 // console.log('weights = ', weights);81 // BOGUS82 // SUMMING ENTIRE MATRIX WHEN THERE IS ONLY EVER GOING TO BE vals ON 1 SIDE 83 // 84 for(let i = 0; i < arr.length; i++) {85 for (let j = 0; j < arr.length; j++) {86 // console.log('arr[i][j] = ', arr[i][j]);87 // console.log('weights[arr.length] = ', weights[arr.length]);88 // BOGUS89 // uniform weights here !!!90 sum += arr[i][j]*weights[0]; 91 }92 }93 // console.log('sum = ', sum);94 return sum;95 }96 /**97 *98 */99 function getAllIOPairs(arr, arrt, thresholds, weights) {100 let pairs = [];101 let input = [];102 let output = [];103 for ( let i = 0; i < arr.length; i++ ) {104 input = [];105 output = [];106 input[0] = arrt[i][0];107 input[1] = arrt[i][1];108 // weights is 1-D...combos are 2-D109 // console.log("weights = ", weights);110 // console.log("arr = ", arr);111 // console.log("arr shape = ", arr[i].length, "x", arr[i][0].length);112 output[0] = output[1] = discreteSum(arr[i], weights);113 pairs[i] = [input, output];114 }115 return pairs;116 }117 /**118 *119 */120 function createAllCombos (d) {121 // console.log("d = ", d);122 let l = d.thresholds.length - 3;123 // console.log("l = ", l);124 let n = Math.pow(2, l);125 // count is a global...cause the recurser nightmare126 count = 0;...
Using AI Code Generation
1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3 if (err) return console.error(err);4 wpt.getTestResults(data.data.testId, function(err, data) {5 if (err) return console.error(err);6 console.log(data.data.median.firstView.SpeedIndex);7 });8});
Using AI Code Generation
1var wptoolbox = require('wptoolbox');2var a = 0.0;3var b = 1.0;4var n = 100;5var f = function(x) {6 return x*x;7}8var result = wptoolbox.discreteSum(f, a, b, n);9console.log(result);
Using AI Code Generation
1var wpt = require('./wpt.js');2var f = function(x) {return x*x;};3var a = 0;4var b = 1;5var n = 100;6var result = wpt.discreteSum(f,a,b,n);7console.log("result = " + result);
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