ysjj-system/node_modules/mathjs/lib/esm/function/probability/util/seededRNG.js

import seedrandom from 'seedrandom';
var singletonRandom = /* #__PURE__ */seedrandom(Date.now());
export function createRng(randomSeed) {
  var random;

  // create a new random generator with given seed
  function setSeed(seed) {
    random = seed === null ? singletonRandom : seedrandom(String(seed));
  }

  // initialize a seeded pseudo random number generator with config's random seed
  setSeed(randomSeed);

  // wrapper function so the rng can be updated via generator
  function rng() {
    return random();
  }
  return rng;
}