aradzie

export function XorShift128Plus(seed: number) {
    const state0 = { hi: seed ^ 0xAF410049, lo: seed ^ 0x1F9D38AF };
    const state1 = { hi: seed ^ 0xD19D592C, lo: seed ^ 0xBD21E214 };
    const s1 = { hi: 0, lo: 0 };
    const s0 = { hi: 0, lo: 0 };
    const t = { hi: 0, lo: 0 };

    function update() {
        // s1 = state0;
        s1.hi = state0.hi;

aradzie

// Code adapted from http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/MT2002/emt19937ar.html

// Original copyright:
/* 
   A C-program for MT19937, with initialization improved 2002/1/26.
   Coded by Takuji Nishimura and Makoto Matsumoto.

   Before using, initialize the state by using init_genrand(seed)  
   or init_by_array(init_key, key_length).

aradzie

import java.io.Reader;
import java.io.StringReader;

public class PhantomTypes {
  abstract static class Data {
    private Data() {}
  }

  static class Unvalidated extends Data {
    private Unvalidated() {}