def test_ISWAP_decomposition(self, tol): """Tests that the decomposition of the ISWAP gate is correct""" op = qml.ISWAP(wires=[0, 1]) res = op.decompose() assert len(res) == 6 assert res[0].wires == Wires([0]) assert res[1].wires == Wires([1]) assert res[2].wires == Wires([0]) assert res[3].wires == Wires([0, 1]) assert res[4].wires == Wires([1, 0]) assert res[5].wires == Wires([1]) assert res[0].name == "S" assert res[1].name == "S" assert res[2].name == "Hadamard" assert res[3].name == "CNOT" assert res[4].name == "CNOT" assert res[5].name == "Hadamard" mats = [] for i in reversed(res): if i.wires == Wires([1]): mats.append(np.kron(np.eye(2), i.matrix)) elif i.wires == Wires([0]): mats.append(np.kron(i.matrix, np.eye(2))) elif i.wires == Wires([1, 0]) and i.name == "CNOT": mats.append(np.array([[1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0], [0, 1, 0, 0]])) else: mats.append(i.matrix) decomposed_matrix = np.linalg.multi_dot(mats) assert np.allclose(decomposed_matrix, op.matrix, atol=tol, rtol=0)
def op(op_name): ops_list = { "RX": qml.RX(0.123, wires=0), "RY": qml.RY(1.434, wires=0), "RZ": qml.RZ(2.774, wires=0), "S": qml.S(wires=0), "SX": qml.SX(wires=0), "T": qml.T(wires=0), "CNOT": qml.CNOT(wires=[0, 1]), "CZ": qml.CZ(wires=[0, 1]), "CY": qml.CY(wires=[0, 1]), "SWAP": qml.SWAP(wires=[0, 1]), "ISWAP": qml.ISWAP(wires=[0, 1]), "SISWAP": qml.SISWAP(wires=[0, 1]), "SQISW": qml.SQISW(wires=[0, 1]), "CSWAP": qml.CSWAP(wires=[0, 1, 2]), "PauliRot": qml.PauliRot(0.123, "Y", wires=0), "IsingXX": qml.IsingXX(0.123, wires=[0, 1]), "IsingXY": qml.IsingXY(0.123, wires=[0, 1]), "IsingYY": qml.IsingYY(0.123, wires=[0, 1]), "IsingZZ": qml.IsingZZ(0.123, wires=[0, 1]), "Identity": qml.Identity(wires=0), "Rot": qml.Rot(0.123, 0.456, 0.789, wires=0), "Toffoli": qml.Toffoli(wires=[0, 1, 2]), "PhaseShift": qml.PhaseShift(2.133, wires=0), "ControlledPhaseShift": qml.ControlledPhaseShift(1.777, wires=[0, 2]), "CPhase": qml.CPhase(1.777, wires=[0, 2]), "MultiRZ": qml.MultiRZ(0.112, wires=[1, 2, 3]), "CRX": qml.CRX(0.836, wires=[2, 3]), "CRY": qml.CRY(0.721, wires=[2, 3]), "CRZ": qml.CRZ(0.554, wires=[2, 3]), "Hadamard": qml.Hadamard(wires=0), "PauliX": qml.PauliX(wires=0), "PauliY": qml.PauliY(wires=0), "PauliZ": qml.PauliZ(wires=0), "CRot": qml.CRot(0.123, 0.456, 0.789, wires=[0, 1]), "DiagonalQubitUnitary": qml.DiagonalQubitUnitary(np.array([1.0, 1.0j]), wires=1), "ControlledQubitUnitary": qml.ControlledQubitUnitary( np.eye(2) * 1j, wires=[0], control_wires=[2] ), "MultiControlledX": qml.MultiControlledX(wires=(0, 1, 2), control_values="01"), "SingleExcitation": qml.SingleExcitation(0.123, wires=[0, 3]), "SingleExcitationPlus": qml.SingleExcitationPlus(0.123, wires=[0, 3]), "SingleExcitationMinus": qml.SingleExcitationMinus(0.123, wires=[0, 3]), "DoubleExcitation": qml.DoubleExcitation(0.123, wires=[0, 1, 2, 3]), "DoubleExcitationPlus": qml.DoubleExcitationPlus(0.123, wires=[0, 1, 2, 3]), "DoubleExcitationMinus": qml.DoubleExcitationMinus(0.123, wires=[0, 1, 2, 3]), "QFT": qml.QFT(wires=0), "QubitSum": qml.QubitSum(wires=[0, 1, 2]), "QubitCarry": qml.QubitCarry(wires=[0, 1, 2, 3]), "QubitUnitary": qml.QubitUnitary(np.eye(2) * 1j, wires=0), } return ops_list.get(op_name)
"PauliX": qml.PauliX(wires=[0]), "PauliY": qml.PauliY(wires=[0]), "PauliZ": qml.PauliZ(wires=[0]), "PhaseShift": qml.PhaseShift(0, wires=[0]), "ControlledPhaseShift": qml.ControlledPhaseShift(0, wires=[0, 1]), "QubitStateVector": qml.QubitStateVector(np.array([1.0, 0.0]), wires=[0]), "QubitUnitary": qml.QubitUnitary(np.eye(2), wires=[0]), "ControlledQubitUnitary": qml.ControlledQubitUnitary(np.eye(2), control_wires=[1], wires=[0]), "MultiControlledX": qml.MultiControlledX(control_wires=[1, 2], wires=[0]), "RX": qml.RX(0, wires=[0]), "RY": qml.RY(0, wires=[0]), "RZ": qml.RZ(0, wires=[0]), "Rot": qml.Rot(0, 0, 0, wires=[0]), "S": qml.S(wires=[0]), "SWAP": qml.SWAP(wires=[0, 1]), "ISWAP": qml.ISWAP(wires=[0, 1]), "T": qml.T(wires=[0]), "SX": qml.SX(wires=[0]), "Toffoli": qml.Toffoli(wires=[0, 1, 2]), "QFT": qml.templates.QFT(wires=[0, 1, 2]), "IsingXX": qml.IsingXX(0, wires=[0, 1]), "IsingYY": qml.IsingYY(0, wires=[0, 1]), "IsingZZ": qml.IsingZZ(0, wires=[0, 1]), "SingleExcitation": qml.SingleExcitation(0, wires=[0, 1]), "SingleExcitationPlus": qml.SingleExcitationPlus(0, wires=[0, 1]), "SingleExcitationMinus": qml.SingleExcitationMinus(0, wires=[0, 1]), "DoubleExcitation": qml.DoubleExcitation(0, wires=[0, 1, 2, 3]), "DoubleExcitationPlus": qml.DoubleExcitationPlus(0, wires=[0, 1, 2, 3]), "DoubleExcitationMinus": qml.DoubleExcitationMinus(0, wires=[0, 1, 2, 3]), "QubitCarry": qml.QubitCarry(wires=[0, 1, 2, 3]), "QubitSum": qml.QubitSum(wires=[0, 1, 2]),
def test_translate_operation_iswap_inverse(): """Tests that the iSwap gate is inverted correctly""" assert translate_operation(qml.ISWAP(wires=[0, 1]).inv()) == gates.PSwap(3 * np.pi / 2)
def test_iswap_eigenval(self): """Tests that the ISWAP eigenvalue matches the numpy eigenvalues of the ISWAP matrix""" op = qml.ISWAP(wires=[0, 1]) exp = np.linalg.eigvals(op.matrix) res = op.eigvals assert np.allclose(res, exp)
label_data = [ (qml.Identity(0), "I", "I"), (qml.Hadamard(0), "H", "H"), (qml.PauliX(0), "X", "X"), (qml.PauliY(0), "Y", "Y"), (qml.PauliZ(0), "Z", "Z"), (qml.S(wires=0), "S", "S⁻¹"), (qml.T(wires=0), "T", "T⁻¹"), (qml.SX(wires=0), "SX", "SX⁻¹"), (qml.CNOT(wires=(0, 1)), "⊕", "⊕"), (qml.CZ(wires=(0, 1)), "Z", "Z"), (qml.CY(wires=(0, 1)), "Y", "Y"), (qml.SWAP(wires=(0, 1)), "SWAP", "SWAP⁻¹"), (qml.ISWAP(wires=(0, 1)), "ISWAP", "ISWAP⁻¹"), (qml.SISWAP(wires=(0, 1)), "SISWAP", "SISWAP⁻¹"), (qml.SQISW(wires=(0, 1)), "SISWAP", "SISWAP⁻¹"), (qml.CSWAP(wires=(0, 1, 2)), "SWAP", "SWAP"), (qml.Toffoli(wires=(0, 1, 2)), "⊕", "⊕"), (qml.MultiControlledX(control_wires=(0, 1, 2), wires=(3)), "⊕", "⊕"), (qml.Barrier(0), "||", "||"), (qml.WireCut(wires=0), "//", "//"), ] @pytest.mark.parametrize("op, label1, label2", label_data) def test_label_method(op, label1, label2): assert op.label() == label1 assert op.label(decimals=2) == label1
spy.assert_called() label_data = [ (qml.Hadamard(0), "H", "H"), (qml.PauliX(0), "X", "X"), (qml.PauliY(0), "Y", "Y"), (qml.PauliZ(0), "Z", "Z"), (qml.S(wires=0), "S", "S⁻¹"), (qml.T(wires=0), "T", "T⁻¹"), (qml.SX(wires=0), "SX", "SX⁻¹"), (qml.CNOT(wires=(0, 1)), "⊕", "⊕"), (qml.CZ(wires=(0, 1)), "Z", "Z"), (qml.CY(wires=(0, 1)), "Y", "Y"), (qml.SWAP(wires=(0, 1)), "SWAP", "SWAP⁻¹"), (qml.ISWAP(wires=(0, 1)), "ISWAP", "ISWAP⁻¹"), (qml.SISWAP(wires=(0, 1)), "SISWAP", "SISWAP⁻¹"), (qml.SQISW(wires=(0, 1)), "SISWAP", "SISWAP⁻¹"), (qml.CSWAP(wires=(0, 1, 2)), "SWAP", "SWAP"), (qml.Toffoli(wires=(0, 1, 2)), "⊕", "⊕"), (qml.MultiControlledX(control_wires=(0, 1, 2), wires=(3)), "⊕", "⊕"), ] @pytest.mark.parametrize("op, label1, label2", label_data) def test_label_method(op, label1, label2): assert op.label() == label1 assert op.label(decimals=2) == label1 op.inv() assert op.label() == label2