ffsim.testing.random_nelec¶

ffsim.testing.random_nelec(norb, *, seed=None)[source]¶

Return a random pair of (n_alpha, n_beta) particle numbers.

Parameters:

norb (int) – The number of spatial orbitals.
seed – A seed to initialize the pseudorandom number generator. Should be a valid input to np.random.default_rng.

Return type:

tuple[int, int]

Returns:

The sampled pair of (n_alpha, n_beta) particle numbers.