d3-random/src/logNormal.js

Generate random numbers from various distributions.

import defaultSource from "./defaultSource.js";
import normal from "./normal.js";

export default (function sourceRandomLogNormal(source) {
  var N = normal.source(source);

  function randomLogNormal() {
    var randomNormal = N.apply(this, arguments);
    return function() {
      return Math.exp(randomNormal());
    };
  }

  randomLogNormal.source = sourceRandomLogNormal;

  return randomLogNormal;
})(defaultSource);