def test_is_scalar_sparse_matrix():
    np = import_module('numpy')
    if not np:
        skip("numpy not installed.")

    scipy = import_module('scipy', import_kwargs={'fromlist': ['sparse']})
    if not scipy:
        skip("scipy not installed.")

    numqubits = 2
    id_only = False

    id_gate = (IdentityGate(1), )
    assert is_scalar_sparse_matrix(id_gate, numqubits, id_only) is True

    x0 = X(0)
    xx_circuit = (x0, x0)
    assert is_scalar_sparse_matrix(xx_circuit, numqubits, id_only) is True

    x1 = X(1)
    y1 = Y(1)
    xy_circuit = (x1, y1)
    assert is_scalar_sparse_matrix(xy_circuit, numqubits, id_only) is False

    z1 = Z(1)
    xyz_circuit = (x1, y1, z1)
    assert is_scalar_sparse_matrix(xyz_circuit, numqubits, id_only) is True

    cnot = CNOT(1, 0)
    cnot_circuit = (cnot, cnot)
    assert is_scalar_sparse_matrix(cnot_circuit, numqubits, id_only) is True

    h = H(0)
    hh_circuit = (h, h)
    assert is_scalar_sparse_matrix(hh_circuit, numqubits, id_only) is True

    # NOTE:
    # The elements of the sparse matrix for the following circuit
    # is actually 1.0000000000000002+0.0j.
    h1 = H(1)
    xhzh_circuit = (x1, h1, z1, h1)
    assert is_scalar_sparse_matrix(xhzh_circuit, numqubits, id_only) is True

    id_only = True
    assert is_scalar_sparse_matrix(xhzh_circuit, numqubits, id_only) is True
    assert is_scalar_sparse_matrix(xyz_circuit, numqubits, id_only) is False
    assert is_scalar_sparse_matrix(cnot_circuit, numqubits, id_only) is True
    assert is_scalar_sparse_matrix(hh_circuit, numqubits, id_only) is True
Beispiel #2
0
def test_is_scalar_sparse_matrix():
    np = import_module('numpy')
    if not np:
        skip("numpy not installed.")

    scipy = import_module('scipy', __import__kwargs={'fromlist': ['sparse']})
    if not scipy:
        skip("scipy not installed.")

    numqubits = 2
    id_only = False

    id_gate = (IdentityGate(1),)
    assert is_scalar_sparse_matrix(id_gate, numqubits, id_only) is True

    x0 = X(0)
    xx_circuit = (x0, x0)
    assert is_scalar_sparse_matrix(xx_circuit, numqubits, id_only) is True

    x1 = X(1)
    y1 = Y(1)
    xy_circuit = (x1, y1)
    assert is_scalar_sparse_matrix(xy_circuit, numqubits, id_only) is False

    z1 = Z(1)
    xyz_circuit = (x1, y1, z1)
    assert is_scalar_sparse_matrix(xyz_circuit, numqubits, id_only) is True

    cnot = CNOT(1, 0)
    cnot_circuit = (cnot, cnot)
    assert is_scalar_sparse_matrix(cnot_circuit, numqubits, id_only) is True

    h = H(0)
    hh_circuit = (h, h)
    assert is_scalar_sparse_matrix(hh_circuit, numqubits, id_only) is True

    # NOTE:
    # The elements of the sparse matrix for the following circuit
    # is actually 1.0000000000000002+0.0j.
    h1 = H(1)
    xhzh_circuit = (x1, h1, z1, h1)
    assert is_scalar_sparse_matrix(xhzh_circuit, numqubits, id_only) is True

    id_only = True
    assert is_scalar_sparse_matrix(xhzh_circuit, numqubits, id_only) is True
    assert is_scalar_sparse_matrix(xyz_circuit, numqubits, id_only) is False
    assert is_scalar_sparse_matrix(cnot_circuit, numqubits, id_only) is True
    assert is_scalar_sparse_matrix(hh_circuit, numqubits, id_only) is True