Function quantileNormal

docs/tests/v2/es6/js/sanddance.js:87100–87103

(p, mean, stdev)

function quantileNormal(p, mean, stdev) {
  if (p < 0 || p > 1) return NaN;
  return (mean || 0) + (stdev == null ? 1 : stdev) * _constants.SQRT2 * erfinv(2 * p - 1);
} // Approximate inverse error function. Implementation from "Approximating
// the erfinv function" by Mike Giles, GPU Computing Gems, volume 2, 2010.
// Ported from Apache Commons Math, http://www.apache.org/licenses/LICENSE-2.0