def test_large_m_approx(self):
pe = qu.page_entropy(2**10, 2**20)
ae = 0.5 * (20 - math.log2(math.e))
assert abs(pe - ae) < 1e-5
def test_bigger_than_half(self):
assert_allclose(qu.page_entropy(4, 24), qu.page_entropy(6, 24))
def test_known_qubit_qubit(self):
assert abs(qu.page_entropy(2, 4) - 0.4808983469629878) < 1e-12