Python so4_to_magic_su2s Beispiele

Beispiel #1

def test_so4_to_magic_su2s_known_factors(a, b):
    m = recompose_so4(a, b)
    a2, b2 = cirq.so4_to_magic_su2s(m)
    m2 = recompose_so4(a2, b2)

    assert np.allclose(m2, m)

    # Account for kron(A, B) = kron(-A, -B).
    if np.linalg.norm(a + a2) > np.linalg.norm(a - a2):
        assert np.allclose(a2, a)
        assert np.allclose(b2, b)
    else:
        assert np.allclose(a2, -a)
        assert np.allclose(b2, -b)

Beispiel #2

Datei: decompositions_test.py Projekt: google2013/Cirq

def test_so4_to_magic_su2s_known_factors(a, b):
    m = recompose_so4(a, b)
    a2, b2 = cirq.so4_to_magic_su2s(m)
    m2 = recompose_so4(a2, b2)

    assert np.allclose(m2, m)

    # Account for kron(A, B) = kron(-A, -B).
    if np.linalg.norm(a + a2) > np.linalg.norm(a - a2):
        assert np.allclose(a2, a)
        assert np.allclose(b2, b)
    else:
        assert np.allclose(a2, -a)
        assert np.allclose(b2, -b)

Beispiel #3

def test_so4_to_magic_su2s_fail(mat):
    with pytest.raises(ValueError):
        _ = cirq.so4_to_magic_su2s(mat)

Beispiel #4

def test_so4_to_magic_su2s(m):
    a, b = cirq.so4_to_magic_su2s(m)
    m2 = recompose_so4(a, b)
    assert_magic_su2_within_tolerance(m2, a, b)
    assert np.allclose(m, m2)

Beispiel #5

Datei: decompositions_test.py Projekt: google2013/Cirq

def test_so4_to_magic_su2s_fail(mat):
    with pytest.raises(ValueError):
        cirq.so4_to_magic_su2s(mat)

Beispiel #6

def test_so4_to_magic_su2s(m):
    a, b = cirq.so4_to_magic_su2s(m)
    m2 = recompose_so4(a, b)
    assert np.allclose(m, m2)