Function check_random_state

ot/utils.py:584–603

r"""Turn `seed` into a np.random.RandomState instance Parameters ---------- seed : None | int | instance of RandomState If `seed` is None, return the RandomState singleton used by np.random. If `seed` is an int, return a new RandomState instance seeded with `seed`.

(seed)

def check_random_state(seed):
    r"""Turn `seed` into a np.random.RandomState instance

    Parameters
    ----------
    seed : None | int | instance of RandomState
        If `seed` is None, return the RandomState singleton used by np.random.
        If `seed` is an int, return a new RandomState instance seeded with `seed`.
        If `seed` is already a RandomState instance, return it.
        Otherwise raise ValueError.
    """
    if seed is None or seed is np.random:
        return np.random.mtrand._rand
    if isinstance(seed, (int, np.integer)):
        return np.random.RandomState(seed)
    if isinstance(seed, np.random.RandomState):
        return seed
    raise ValueError(
        "{} cannot be used to seed a numpy.random.RandomState instance".format(seed)
    )


def get_coordinate_circle(x):