def test_smoke(python_pcg):
bg = UserBitGenerator(python_pcg, 64)
gen = Generator(bg)
assert isinstance(gen.random(), float)
assert isinstance(gen.standard_normal(dtype=np.float32), float)
assert isinstance(gen.integers(0, 2**32, dtype=np.uint32), np.integer)
assert isinstance(gen.integers(0, 2**64, dtype=np.uint64), np.integer)
def test_32():
def next_raw(vp):
return np.iinfo(np.uint32).max
bg = UserBitGenerator(next_raw, 32)
assert bg.random_raw() == np.iinfo(np.uint32).max
gen = Generator(bg)
assert gen.integers(0, 2**64, dtype=np.uint64) == np.iinfo(np.uint64).max
np.testing.assert_allclose(gen.random(), (2**53 - 1) / (2**53), rtol=1e-14)
assert "UserBitGenerator(Python)" in repr(bg)
def pcg_python(request):
bit_gen = _PCG64(PCG64_INITIAL_STATE["state"]["state"],
PCG64_INITIAL_STATE["state"]["inc"])
return UserBitGenerator(bit_gen.next_64(), 64, next_32=bit_gen.next_32())