class TestParameterCtrlState(QiskitTestCase):
    """Test gate equality with ctrl_state parameter."""
    @data((RXGate(0.5), CRXGate(0.5)), (RYGate(0.5), CRYGate(0.5)),
          (RZGate(0.5), CRZGate(0.5)), (XGate(), CXGate()),
          (YGate(), CYGate()), (ZGate(), CZGate()),
          (U1Gate(0.5), CU1Gate(0.5)), (SwapGate(), CSwapGate()),
          (HGate(), CHGate()), (U3Gate(0.1, 0.2, 0.3), CU3Gate(0.1, 0.2, 0.3)))
    @unpack
    def test_ctrl_state_one(self, gate, controlled_gate):
        """Test controlled gates with ctrl_state
        See https://github.com/Qiskit/qiskit-terra/pull/4025
        """
        self.assertEqual(gate.control(1, ctrl_state='1'), controlled_gate)
예제 #2
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    'I' : IGate(),
    'H' : HGate(),
    'X' : XGate(),
    'Y' : YGate(),
    'Z' : ZGate(),
    'S' : SGate(),
    'T' : TGate(),
    'T_dg' : TdgGate(),
    'S_dg' : SdgGate(),
    'Ry' : RYGate(np.pi / 4)
}

CONTROLLED_GATE_DICT = {
    'CX0' : CXGate(),
    'CX1' : CXGate(),
    'CY0' : CYGate(),
    'CY1' : CYGate(),
    'CZ0' : CZGate(),
    'CZ1' : CYGate(),
    'CH0' : CHGate(),
    'CH1' : CHGate()
}

def _state_to_gates(state):

    gates = []
    for qtop_gate, qbot_gate in zip(state[0], state[1]):
        if qtop_gate in SINGLE_GATE_DICT.keys():
            gates.append([qtop_gate, [0]])
            gates.append([qbot_gate, [1]])
        elif qtop_gate in CONTROLLED_GATE_DICT.keys():
class TestPauli(QiskitTestCase):
    """Tests for Pauli operator class."""
    @data(*pauli_group_labels(2))
    def test_conjugate(self, label):
        """Test conjugate method."""
        value = Pauli(label).conjugate()
        target = operator_from_label(label).conjugate()
        self.assertEqual(Operator(value), target)

    @data(*pauli_group_labels(2))
    def test_transpose(self, label):
        """Test transpose method."""
        value = Pauli(label).transpose()
        target = operator_from_label(label).transpose()
        self.assertEqual(Operator(value), target)

    @data(*pauli_group_labels(2))
    def test_adjoint(self, label):
        """Test adjoint method."""
        value = Pauli(label).adjoint()
        target = operator_from_label(label).adjoint()
        self.assertEqual(Operator(value), target)

    @data(*pauli_group_labels(2))
    def test_inverse(self, label):
        """Test inverse method."""
        pauli = Pauli(label)
        value = pauli.inverse()
        target = pauli.adjoint()
        self.assertEqual(value, target)

    @data(*it.product(pauli_group_labels(2, full_group=False), repeat=2))
    @unpack
    def test_dot(self, label1, label2):
        """Test dot method."""
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        value = Operator(p1.dot(p2))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.dot(op2)
        self.assertEqual(value, target)

    @data(*pauli_group_labels(1))
    def test_dot_qargs(self, label2):
        """Test dot method with qargs."""
        label1 = '-iXYZ'
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        qargs = [0]
        value = Operator(p1.dot(p2, qargs=qargs))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.dot(op2, qargs=qargs)
        self.assertEqual(value, target)

    @data(*it.product(pauli_group_labels(2, full_group=False), repeat=2))
    @unpack
    def test_compose(self, label1, label2):
        """Test compose method."""
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        value = Operator(p1.compose(p2))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.compose(op2)
        self.assertEqual(value, target)

    @data(*pauli_group_labels(1))
    def test_compose_qargs(self, label2):
        """Test compose method with qargs."""
        label1 = '-XYZ'
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        qargs = [0]
        value = Operator(p1.compose(p2, qargs=qargs))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.compose(op2, qargs=qargs)
        self.assertEqual(value, target)

    @data(*it.product(pauli_group_labels(1, full_group=False), repeat=2))
    @unpack
    def test_tensor(self, label1, label2):
        """Test tensor method."""
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        value = Operator(p1.tensor(p2))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.tensor(op2)
        self.assertEqual(value, target)

    @data(*it.product(pauli_group_labels(1, full_group=False), repeat=2))
    @unpack
    def test_expand(self, label1, label2):
        """Test expand method."""
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        value = Operator(p1.expand(p2))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.expand(op2)
        self.assertEqual(value, target)

    @data('II', 'XI', 'YX', 'ZZ', 'YZ')
    def test_power(self, label):
        """Test power method."""
        iden = Pauli('II')
        op = Pauli(label)
        self.assertTrue(op**2, iden)

    @data(1, 1.0, -1, -1.0, 1j, -1j)
    def test_multiply(self, val):
        """Test multiply method."""
        op = val * Pauli(([True, True], [False, False], 0))
        phase = (-1j)**op.phase
        self.assertEqual(phase, val)

    def test_multiply_except(self):
        """Test multiply method raises exceptions."""
        op = Pauli('XYZ')
        self.assertRaises(QiskitError, op._multiply, 2)

    @data(0, 1, 2, 3)
    def test_negate(self, phase):
        """Test negate method"""
        op = Pauli(([False], [True], phase))
        neg = -op
        self.assertTrue(op.equiv(neg))
        self.assertEqual(neg.phase, (op.phase + 2) % 4)

    @data(*it.product(pauli_group_labels(1, False), repeat=2))
    @unpack
    def test_commutes(self, p1, p2):
        """Test commutes method"""
        P1 = Pauli(p1)
        P2 = Pauli(p2)
        self.assertEqual(P1.commutes(P2), P1.dot(P2) == P2.dot(P1))

    @data(*it.product(pauli_group_labels(1, False), repeat=2))
    @unpack
    def test_anticommutes(self, p1, p2):
        """Test anticommutes method"""
        P1 = Pauli(p1)
        P2 = Pauli(p2)
        self.assertEqual(P1.anticommutes(P2), P1.dot(P2) == -P2.dot(P1))

    @data(*it.product(
        (IGate(), XGate(), YGate(), ZGate(), HGate(), SGate(), SdgGate()),
        pauli_group_labels(1, False)))
    @unpack
    def test_evolve_clifford1(self, gate, label):
        """Test evolve method for 1-qubit Clifford gates."""
        cliff = Clifford(gate)
        op = Operator(gate)
        pauli = Pauli(label)
        value = Operator(pauli.evolve(cliff))
        target = op.adjoint().dot(pauli).dot(op)
        self.assertEqual(value, target)

    @data(*it.product((CXGate(), CYGate(), CZGate(), SwapGate()),
                      pauli_group_labels(2, False)))
    @unpack
    def test_evolve_clifford2(self, gate, label):
        """Test evolve method for 2-qubit Clifford gates."""
        cliff = Clifford(gate)
        op = Operator(gate)
        pauli = Pauli(label)
        value = Operator(pauli.evolve(cliff))
        target = op.adjoint().dot(pauli).dot(op)
        self.assertEqual(value, target)

    def test_evolve_clifford_qargs(self):
        """Test evolve method for random Clifford"""
        cliff = random_clifford(3, seed=10)
        op = Operator(cliff)
        pauli = random_pauli(5, seed=10)
        qargs = [3, 0, 1]
        value = Operator(pauli.evolve(cliff, qargs=qargs))
        target = Operator(pauli).compose(op.adjoint(),
                                         qargs=qargs).dot(op, qargs=qargs)
        self.assertEqual(value, target)
 def test_controlled_y(self):
     """Test creation of controlled y gate"""
     self.assertEqual(YGate().control(), CYGate())
예제 #5
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class TestPauli(QiskitTestCase):
    """Tests for Pauli operator class."""
    @data(*pauli_group_labels(2))
    def test_conjugate(self, label):
        """Test conjugate method."""
        value = Pauli(label).conjugate()
        target = operator_from_label(label).conjugate()
        self.assertEqual(Operator(value), target)

    @data(*pauli_group_labels(2))
    def test_transpose(self, label):
        """Test transpose method."""
        value = Pauli(label).transpose()
        target = operator_from_label(label).transpose()
        self.assertEqual(Operator(value), target)

    @data(*pauli_group_labels(2))
    def test_adjoint(self, label):
        """Test adjoint method."""
        value = Pauli(label).adjoint()
        target = operator_from_label(label).adjoint()
        self.assertEqual(Operator(value), target)

    @data(*pauli_group_labels(2))
    def test_inverse(self, label):
        """Test inverse method."""
        pauli = Pauli(label)
        value = pauli.inverse()
        target = pauli.adjoint()
        self.assertEqual(value, target)

    @data(*it.product(pauli_group_labels(2, full_group=False), repeat=2))
    @unpack
    def test_dot(self, label1, label2):
        """Test dot method."""
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        value = Operator(p1.dot(p2))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.dot(op2)
        self.assertEqual(value, target)

    @data(*pauli_group_labels(1))
    def test_dot_qargs(self, label2):
        """Test dot method with qargs."""
        label1 = "-iXYZ"
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        qargs = [0]
        value = Operator(p1.dot(p2, qargs=qargs))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.dot(op2, qargs=qargs)
        self.assertEqual(value, target)

    @data(*it.product(pauli_group_labels(2, full_group=False), repeat=2))
    @unpack
    def test_compose(self, label1, label2):
        """Test compose method."""
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        value = Operator(p1.compose(p2))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.compose(op2)
        self.assertEqual(value, target)

    @data(*pauli_group_labels(1))
    def test_compose_qargs(self, label2):
        """Test compose method with qargs."""
        label1 = "-XYZ"
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        qargs = [0]
        value = Operator(p1.compose(p2, qargs=qargs))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.compose(op2, qargs=qargs)
        self.assertEqual(value, target)

    @data(*it.product(pauli_group_labels(1, full_group=False), repeat=2))
    @unpack
    def test_tensor(self, label1, label2):
        """Test tensor method."""
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        value = Operator(p1.tensor(p2))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.tensor(op2)
        self.assertEqual(value, target)

    @data(*it.product(pauli_group_labels(1, full_group=False), repeat=2))
    @unpack
    def test_expand(self, label1, label2):
        """Test expand method."""
        p1 = Pauli(label1)
        p2 = Pauli(label2)
        value = Operator(p1.expand(p2))
        op1 = operator_from_label(label1)
        op2 = operator_from_label(label2)
        target = op1.expand(op2)
        self.assertEqual(value, target)

    @data("II", "XI", "YX", "ZZ", "YZ")
    def test_power(self, label):
        """Test power method."""
        iden = Pauli("II")
        op = Pauli(label)
        self.assertTrue(op**2, iden)

    @data(1, 1.0, -1, -1.0, 1j, -1j)
    def test_multiply(self, val):
        """Test multiply method."""
        op = val * Pauli(([True, True], [False, False], 0))
        phase = (-1j)**op.phase
        self.assertEqual(phase, val)

    def test_multiply_except(self):
        """Test multiply method raises exceptions."""
        op = Pauli("XYZ")
        self.assertRaises(QiskitError, op._multiply, 2)

    @data(0, 1, 2, 3)
    def test_negate(self, phase):
        """Test negate method"""
        op = Pauli(([False], [True], phase))
        neg = -op
        self.assertTrue(op.equiv(neg))
        self.assertEqual(neg.phase, (op.phase + 2) % 4)

    @data(*it.product(pauli_group_labels(1, False), repeat=2))
    @unpack
    def test_commutes(self, p1, p2):
        """Test commutes method"""
        P1 = Pauli(p1)
        P2 = Pauli(p2)
        self.assertEqual(P1.commutes(P2), P1.dot(P2) == P2.dot(P1))

    @data(*it.product(pauli_group_labels(1, False), repeat=2))
    @unpack
    def test_anticommutes(self, p1, p2):
        """Test anticommutes method"""
        P1 = Pauli(p1)
        P2 = Pauli(p2)
        self.assertEqual(P1.anticommutes(P2), P1.dot(P2) == -P2.dot(P1))

    @data(*it.product(
        (IGate(), XGate(), YGate(), ZGate(), HGate(), SGate(), SdgGate()),
        pauli_group_labels(1, False),
    ))
    @unpack
    def test_evolve_clifford1(self, gate, label):
        """Test evolve method for 1-qubit Clifford gates."""
        op = Operator(gate)
        pauli = Pauli(label)
        value = Operator(pauli.evolve(gate))
        value_h = Operator(pauli.evolve(gate, frame="h"))
        value_s = Operator(pauli.evolve(gate, frame="s"))
        value_inv = Operator(pauli.evolve(gate.inverse()))
        target = op.adjoint().dot(pauli).dot(op)
        self.assertEqual(value, target)
        self.assertEqual(value, value_h)
        self.assertEqual(value_inv, value_s)

    @data(*it.product((CXGate(), CYGate(), CZGate(), SwapGate()),
                      pauli_group_labels(2, False)))
    @unpack
    def test_evolve_clifford2(self, gate, label):
        """Test evolve method for 2-qubit Clifford gates."""
        op = Operator(gate)
        pauli = Pauli(label)
        value = Operator(pauli.evolve(gate))
        value_h = Operator(pauli.evolve(gate, frame="h"))
        value_s = Operator(pauli.evolve(gate, frame="s"))
        value_inv = Operator(pauli.evolve(gate.inverse()))
        target = op.adjoint().dot(pauli).dot(op)
        self.assertEqual(value, target)
        self.assertEqual(value, value_h)
        self.assertEqual(value_inv, value_s)

    def test_evolve_clifford_qargs(self):
        """Test evolve method for random Clifford"""
        cliff = random_clifford(3, seed=10)
        op = Operator(cliff)
        pauli = random_pauli(5, seed=10)
        qargs = [3, 0, 1]
        value = Operator(pauli.evolve(cliff, qargs=qargs))
        value_h = Operator(pauli.evolve(cliff, qargs=qargs, frame="h"))
        value_s = Operator(pauli.evolve(cliff, qargs=qargs, frame="s"))
        value_inv = Operator(pauli.evolve(cliff.adjoint(), qargs=qargs))
        target = Operator(pauli).compose(op.adjoint(),
                                         qargs=qargs).dot(op, qargs=qargs)
        self.assertEqual(value, target)
        self.assertEqual(value, value_h)
        self.assertEqual(value_inv, value_s)

    def test_barrier_delay_sim(self):
        """Test barrier and delay instructions can be simulated"""
        target_circ = QuantumCircuit(2)
        target_circ.x(0)
        target_circ.y(1)
        target = Pauli(target_circ)

        circ = QuantumCircuit(2)
        circ.x(0)
        circ.delay(100, 0)
        circ.barrier([0, 1])
        circ.y(1)
        value = Pauli(circ)
        self.assertEqual(value, target)