npy_random_seed

odl.util.utility.npy_random_seed(seed)

Context manager to temporarily set the NumPy random generator seed.

Parameters

seedint or None

Seed value for the random number generator. None is interpreted as keeping the current seed.

Examples

Use this to make drawing pseudo-random numbers repeatable:

>>> with npy_random_seed(42):
...     rand_int = np.random.randint(10)
>>> with npy_random_seed(42):
...     same_rand_int = np.random.randint(10)
>>> rand_int == same_rand_int
True