http://www.math.uni-bielefeld.de/~sillke/ALGORITHMS/random/marsaglia-c

Marsaglia.py

import time


class Marsaglia:
  """Pseduo-random generator

  http://www.math.uni-bielefeld.de/~sillke/ALGORITHMS/random/marsaglia-c
  """
  def __init__(self, i1=0, i2=0):
    self.z = i1 or 362436069
    self.w = i2 or 521288629

  def nextInt(self):
    self.z = (36969 * (self.z & 65535) + (self.z >> 16)) & 0xffffffff
    self.w = (18000 * (self.w & 65535) + (self.w >> 16)) & 0xffffffff
    i = (((self.z & 0xffff) << 16) | (self.w & 0xffff) & 0xffffffff)
    return i

  def nextDouble(self):
    i = self.nextInt() / 4294967296
    return (1 + i) if i < 0 else i

  def createRandomized(self):
    now = int(time.time())
    self.z = (now // 60000) & 0xffffffff
    self.w = now & 0xffffffff


if __name__ == "__main__":
  m = Marsaglia()
  m.createRandomized()

  print(m.nextInt())
  print(m.nextDouble())