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How to use sigmaPrime method in wpt

Best JavaScript code snippet using wpt

geoDistance.js

Source:geoDistance.js

1function geoDistance(lat1, lon1, lat2, lon2){2  const a = 6378137.0;3  const f = 1 / 298.257223563;4  const epsilon = f * (2 - f) / ((1 - f) ** 2);5  6  const degree = Math.PI / 180.0;7  const sin = Math.sin;8  const cos = Math.cos;9  const sqrt = Math.sqrt;10  const tan = Math.tan;11  const atan = Math.atan;12  const abs = Math.abs;13  const asin = Math.asin;14  15  const radlat1 = lat1 * degree;16  const radlon1 = lon1 * degree;17  const radlat2 = lat2 * degree;18  const radlon2 = lon2 * degree;19  20  const l = radlon2 - radlon1;21  const lprime = ((l + 3 * (Math.PI)) % (2 * Math.PI)) - Math.PI;22  const L = Math.abs(l);23  const Lprime = Math.PI - L;24  25  const Delta = (l >= 0) ? (radlat2 - radlat1) : (radlat1 - radlat2);26  const Sigma = radlat1 + radlat2;27  28  const u1 = (l >= 0) ? atan((1 - f) * tan(radlat1)) : atan((1 - f) * tan(radlat2));29  const u2 = (l >= 0) ? atan((1 - f) * tan(radlat2)) : atan((1 - f) * tan(radlat1));30  31  const SigmaPrime = u1 + u2;32  const DeltaPrime = u2 - u1;33  const xi = cos(SigmaPrime / 2);34  const xiprime = sin(SigmaPrime / 2);35  const eta = sin(DeltaPrime / 2);36  const etaprime = cos(DeltaPrime / 2);37  38  const x = sin(u1) * sin(u2);39  const y = cos(u1) * cos(u2);40  41  const c = y * cos(L) + x;42  43  //ã¾ã¼ã³ã®è¨ç®44  let s;45  if(c >= 0){46    // Zone 147    console.log("Zone 1");48    let theta = L * (1 + f * y);49    let g, h, sigma, J, K, gamma, Gamma, zeta, zetaprime, D, E, F, G;50    51    do {52      g = sqrt(eta * eta * (cos(theta/2)**2) + xi * xi * (sin(theta/2)**2));53      h = sqrt(etaprime * etaprime * (cos(theta/2)**2) + xiprime * xiprime * (sin(theta/2)**2));54      sigma = 2 * atan(g / h);55      J = 2 * g * h;56      K = h * h - g * g;57      gamma = y * sin(theta) / J;58      Gamma = 1 - gamma * gamma;59      zeta = Gamma * K - 2 * x;60      zetaprime = zeta + x;61      D = 0.25 * f * (1 - f) - (3 / 16) * f * f * Gamma;62      G = f * gamma * gamma * (1 - 2 * D * Gamma) + f * zetaprime * (sigma / J) * (1 - D * Gamma + 0.5 * f * gamma * gamma) + 0.25 * f * f * zeta * zetaprime;63      64      theta = theta - F / (1 - G);65    } while (Math.abs(F) > 1e-15);66    67    const n0 = epsilon * Gamma / ((sqrt(1 + epsilon * Gamma) + 1) ** 2);68    const A = (1 + n0) * (1 + 1.25 * n0 * n0);69    const B = epsilon * (1 - 3 * n0 * n0 / 8) / ((sqrt(1 + epsilon * Gamma) + 1) ** 2);70    71    s = (1 - f) * a * A * (sigma - B * J * (zeta - 0.25 * B * (K * (Gamma * Gamma - 2 * zeta * zeta) - (1 / 6) * B * zeta * (1 - 4 * K * K) * (3 * Gamma * Gamma - 4 * zeta * zeta))));72    73  }else{74    let theta;75    if(c >= -cos(3 * degree * cos(u1))){76      // Zone 277      console.log("Zone 2");78      theta = Lprime;79    }else{80      // Zone 381      const R = f * Math.PI * (cos(u1) ** 2) * (1 - 0.25 * f * (1 + f) * (sin(u1) ** 2) + (3 / 16) * f * f * (sin(u1) ** 4));82      const d1 = Lprime * cos(u1) - R;console.log(d1);83      const d2 = abs(SigmaPrime) + R;84      const q = Lprime / (f * Math.PI);85      const f1 = 0.25 * f * (1 + 0.5 * f);86      const gamma0 = q + f1 * q - f1 * (q ** 3);87      88      if(Sigma !== 0){89        // Zone 3a90        console.log("Zone 3a");91        const A0 = atan(d1 / d2);92        const B0 = asin(R / sqrt(d1 ** 2 + d2 ** 2));93        94        const psi = A0 + B0;95        const j = gamma0 / cos(u1);96        const k = (1 + f1) * abs(SigmaPrime) * (1 - f * y) / (f * Math.PI * y);97        const j1 = j / (1 + k / cos(psi));98        const psiprime1 = asin(j1);99        const psiprime2 = asin(cos(u1) / cos(u2) * j1);100        101        theta = 2 * atan(tan((psiprime1 + psiprime2) / 2) * sin(abs(SigmaPrime) / 2) / cos(DeltaPrime / 2));102        103      }else{104        if(d1 > 0){105          // Zone 3b1106          console.log("Zone 3b1");107          theta = Lprime;108          109        }else if(d1 === 0){110          // Zone 3b2111          console.log("Zone 3b2");112          const Gamma = sin(u1) ** 2;113          const n0 = epsilon * Gamma / ((sqrt(1 + epsilon * Gamma) + 1) ** 2);114          const A = (1 + n0) * (1 + 1.25 * n0 * n0);115          116          s = (1 - f) * a * A * Math.PI;117          118          return s;119        120        }else{121          // Zone 3b3122          console.log("Zone 3b3");123          124          let gamma = gamma0;125          let Gamma, D;126          127          for(let c = 0; c < 30; c++){128            Gamma = 1 - gamma * gamma;129            D = 0.25 * f * (1 + f) - (3 / 16) * f * f * Gamma;130            131            if(abs(q / (1 - D * Gamma) - gamma) > 1e-15){132              gamma = q - (1 - D * Gamma);133              console.log(gamma);134              135            }else{136              break;137            }138          }139          140          const n0 = epsilon * Gamma / ((sqrt(1 + epsilon * Gamma) + 1) ** 2);141          const A = (1 + n0) * (1 + 1.25 * n0 * n0);142          s = (1 - f) * a * A * Math.PI;143          return s;144        }145      }146    }147    148    let g, h, sigma, J, K, gamma, Gamma, zeta, zetaprime, D, E, F, G;149    150    do {151      g = sqrt(eta * eta * (sin(theta/2)**2) + xi * xi * (cos(theta/2)**2));152      h = sqrt(etaprime * etaprime * (sin(theta/2)**2) + xiprime * xiprime * (cos(theta/2)**2));153      sigma = 2 * atan(g / h);154      J = 2 * g * h;155      K = h * h - g * g;156      gamma = y * sin(theta) / J;157      Gamma = 1 - gamma * gamma;158      zeta = Gamma * K - 2 * x;159      zetaprime = zeta + x;160      D = 0.25 * f * (1 - f) - (3 / 16) * f * f * Gamma;161      G = f * gamma * gamma * (1 - 2 * D * Gamma) + f * zetaprime * (sigma / J) * (1 - D * Gamma + 0.5 * f * gamma * gamma) + 0.25 * f * f * zeta * zetaprime;162      163      theta = theta - F / (1 - G);164    } while (Math.abs(F) > 1e-15);165    166    const n0 = epsilon * Gamma / ((sqrt(1 + epsilon * Gamma) + 1) ** 2);167    const A = (1 + n0) * (1 + 1.25 * n0 * n0);168    const B = epsilon * (1 - 3 * n0 * n0 / 8) / ((sqrt(1 + epsilon * Gamma) + 1) ** 2);169    170    s = (1 - f) * a * A * (sigma - B * J * (zeta - 0.25 * B * (K * (Gamma * Gamma - 2 * zeta * zeta) - (1 / 6) * B * zeta * (1 - 4 * K * K) * (3 * Gamma * Gamma - 4 * zeta * zeta))));171    172    173  }174  175  return s;...

index.js

Source:index.js

1(function (root, factory) {2  "use strict";3  // AMD4  if (typeof define === 'function' && define.amd) {5    define([], factory);6  }7  // CommonJS8  else if (typeof exports === 'object') {9    module.exports = factory();10  }11  // Browser12  else {13    root.add = factory();14  }15})(this, function () {16  "use strict";17  // The minimum machine rounding error18  var Epsilon = Math.pow(2, -53)19    , EpsilonReciprocal = (1 / Epsilon)20      /// The smallest positive number that can be represented21    , Eta = Math.pow(2, -1074)22      // limitB is a constant used in the transform function23    , limitB = 0.5 * EpsilonReciprocal * Eta24  /**25  * S. M. RUMP, T. OGITA AND S. OISHI26  * http://www.ti3.tu-harburg.de/paper/rump/RuOgOi07I.pdf27  */28  // Page 829  // x is result, y is error30  // third is so the array is allocated for 4 spaces31  // it speeds up transform32  function fastTwoSum(a, b) {33    var x = a + b34      , q = x - a35      , y = b - q36    return [x, y, null]37  }38  // Page 1239  // p = q + p'40  // sigma is a power of 2 greater than or equal to |p|41  function extractScalar(sigma, p) {42    var q = (sigma + p) - sigma43      , pPrime = p - q44    return [q, pPrime]45  }46  // Page 1247  function extractVector(sigma, p) {48    var tau = 0.049      , extracted50      , i = 051      , ii = p.length52      , pPrime = new Array(ii)53    for(; i<ii; ++i) {54      extracted = extractScalar(sigma, p[i])55      pPrime[i] = extracted[1]56      tau += extracted[0]57    }58    return [tau, pPrime]59  }60  // Finds the immediate power of 2 that is larger than p61  //// in a fast way62  function nextPowerTwo (p) {63    var q = EpsilonReciprocal * p64      , L = Math.abs((q + p) - q)65    if(L === 0)66      return Math.abs(p)67    return L68  }69  // Helper, gets the maximum of the absolute values of an array70  function maxAbs(arr) {71    var i = 072      , ii = arr.length73      , best = -174    for(; i<ii; ++i) {75      if(Math.abs(arr[i]) > best) {76        best = arr[i]77      }78    }79    return best80  }81  function transform (p) {82    var mu = maxAbs(p)83      , M84      , sigmaPrime85      , tPrime86      , t87      , tau88      , sigma89      , extracted90      , res91        // Not part of the original paper, here for optimization92      , temp93      , bigPow94      , limitA95      , twoToTheM96    if(mu === 0) {97      return [0, 0, p, 0]98    }99    M = nextPowerTwo(p.length + 2)100    twoToTheM = Math.pow(2, M)101    bigPow = 2 * twoToTheM // equiv to Math.pow(2, 2 * M), faster102    sigmaPrime = twoToTheM * nextPowerTwo(mu)103    tPrime = 0104    do {105      t = tPrime106      sigma = sigmaPrime107      extracted = extractVector(sigma, p)108      tau = extracted[0]109      tPrime = t + tau110      p = extracted[1]111      if(tPrime === 0) {112        return transform(p)113      }114      temp = Epsilon * sigma115      sigmaPrime = twoToTheM * temp116      limitA = bigPow * temp117    }118    while( Math.abs(tPrime) < limitA && sigma > limitB )119    // res already allocated for 4120    res = fastTwoSum(t, tau)121    res[2] = p122    return res123  }124  function dumbSum(p) {125    var i, ii, sum = 0.0126    for(i=0, ii=p.length; i<ii; ++i) {127      sum += p[i]128    }129    return sum130  }131  function accSum(p) {132    // Zero length array, or all values are zeros133    if(p.length === 0 || maxAbs(p) === 0) {134      return 0135    }136    var tfmd = transform(p)137    return tfmd[0] + (tfmd[1] +dumbSum(tfmd[2]))138  }139  // exports140  accSum.dumbSum = dumbSum;141  accSum.fastTwoSum = fastTwoSum;142  accSum.nextPowerTwo = nextPowerTwo;143  return accSum;...

Using AI Code Generation

1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org', 'A.1a2b3c4d5e6f7g8h9i0j1k2l3m4n5o6p7q8r9s0t1u2v3w4x5y6z7a8b9c0d1e2f3g4h5i6j7k8l9m0n1o2p3q4r5s6t7u8v9w0x1y2z3');3wpt.getLocations(function(err, data) {4  if(err) {5    console.log('Error: ' + err);6  } else {7    console.log(data);8  }9});10var wpt = require('wpt');11var wpt = new WebPageTest('www.webpagetest.org', 'A.1a2b3c4d5e6f7g8h9i0j1k2l3m4n5o6p7q8r9s0t1u2v3w4x5y6z7a8b9c0d1e2f3g4h5i6j7k8l9m0n1o2p3q4r5s6t7u8v9w0x1y2z3');12wpt.getLocations(function(err, data) {13  if(err) {14    console.log('Error: ' + err);15  } else {16    console.log(data);17  }18});19var wpt = require('wpt');20var wpt = new WebPageTest('www.webpagetest.org', 'A.1a2b3c4d5e6f7g8h9i0j1k2l3m4n5o6p7q8r9s0t1u2v3w4x5y6z7a8b9c0d1e2f3g4h5i6j7k8l9m0n1o2p3q4r5s6t7u8v9w0x1y2z3');

Using AI Code Generation

1const wptools = require('wptools');2wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);3const wptools = require('wptools');4wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);5const wptools = require('wptools');6wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);7const wptools = require('wptools');8wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);9const wptools = require('wptools');10wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);11const wptools = require('wptools');12wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);13const wptools = require('wptools');14wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);15const wptools = require('wptools');16wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);17const wptools = require('wptools');18wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);19const wptools = require('wptools');20wptools.page('Barack Obama').then(page => page.getInfobox()).then(console.log);

Using AI Code Generation

1var sigmaPrime = require('wpt').sigmaPrime;2 console.log(data);3});4var wpt = require('wpt');5 console.log(data);6});

Using AI Code Generation

1var wpt = require('webpagetest');2var client = wpt('www.webpagetest.org');3client.runTest(url, {firstViewOnly: true, location: 'Dulles:Chrome'}, function(err, data) {4  if (err) return console.error(err);5  client.getTestResults(data.data.testId, function(err, data) {6    if (err) return console.error(err);7    console.log(data.data.median.firstView.sigmaPrime);8  });9});

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org', 'A.2e3d7c2b6a80b6a1d6d0c6e0c6b1e6b1');3wpt.runTest(url, {f: 'json'}, function(err, data) {4  if (err) {5    return console.error(err);6  }7  console.log(data);8  var testId = data.data.testId;9  wpt.getTestResults(testId, function(err, data) {10    if (err) {11      return console.error(err);12    }13    console.log(data);14  });15});

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