import numpy as np import os def init_rng(seed=None): ''' Set a random number generator with a random seed :return: a random number generator and the related seed :rtype: tuple(mtrand.RandomState, int) ''' if seed is None: seed = np.fromstring(os.urandom(4), dtype=np.uint32)[0] rng = np.random.RandomState(seed) return rng, seed rng, seed = init_rng() print rng.randn(5)
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