On Mon, Jun 29, 2020 at 8:02 AM Neal Becker <ndbecker2@gmail.com> wrote:
I was using this to reset the generator, in order to repeat the same sequence again for testing purposes.

In general, you should just pass in a new Generator that was created with the same seed.

def function_to_test(rg):
    x = rg.standard_normal()

SEED = 12345...

rg = np.random.default_rng(SEED)
rg = npp.random.default_rng(SEED)

Resetting the state of the underlying BitGenerator in-place is possible, as Kevin showed, but if you can refactor your code so that there isn't a persistent Generator object between these runs, that's probably better. It's a code smell if you can't just pass in a fresh Generator; in general, it means that your code is harder to use, not just because we don't expose an in-place seed() method.

Robert Kern