Exemple #1
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def test_text_diagrams():
    a = cirq.NamedQubit('a')
    b = cirq.NamedQubit('b')
    circuit = cirq.Circuit.from_ops(cirq.SWAP(a, b), cirq.X(a), cirq.Y(a),
                                    cirq.Z(a),
                                    cirq.Z(a)**cirq.Symbol('x'), cirq.CZ(a, b),
                                    cirq.CNOT(a, b), cirq.CNOT(b, a),
                                    cirq.H(a), cirq.ISWAP(a, b),
                                    cirq.ISWAP(a, b)**-1)

    assert circuit.to_text_diagram().strip() == """
a: ───×───X───Y───Z───Z^x───@───@───X───H───iSwap───iSwap──────
      │                     │   │   │       │       │
b: ───×─────────────────────@───X───@───────iSwap───iSwap^-1───
    """.strip()

    assert circuit.to_text_diagram(use_unicode_characters=False).strip() == """
a: ---swap---X---Y---Z---Z^x---@---@---X---H---iSwap---iSwap------
      |                        |   |   |       |       |
b: ---swap---------------------@---X---@-------iSwap---iSwap^-1---
    """.strip()
Exemple #2
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def test_swap_permutation_gate():
    no_decomp = lambda op: (isinstance(op, cirq.GateOperation) and op.gate ==
                            cirq.SWAP)
    a, b = cirq.NamedQubit('a'), cirq.NamedQubit('b')
    expander = cirq.ExpandComposite(no_decomp=no_decomp)
    gate = cca.SwapPermutationGate()
    assert gate.num_qubits() == 2
    circuit = cirq.Circuit(gate(a, b))
    expander(circuit)
    assert tuple(circuit.all_operations()) == (cirq.SWAP(a, b), )

    no_decomp = lambda op: (isinstance(op, cirq.GateOperation) and op.gate ==
                            cirq.CZ)
    expander = cirq.ExpandComposite(no_decomp=no_decomp)
    circuit = cirq.Circuit(cca.SwapPermutationGate(cirq.CZ)(a, b))
    expander(circuit)
    assert tuple(circuit.all_operations()) == (cirq.CZ(a, b), )

    assert cirq.commutes(gate, cirq.ZZ)
    with pytest.raises(TypeError):
        cirq.commutes(gate, cirq.CCZ)
Exemple #3
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def make_oracle(input_qubits, output_qubits, secret_string):
    """Gates implementing the function f(a) = f(b) iff a ⨁ b = s"""
    # Copy contents to output qubits:
    for control_qubit, target_qubit in zip(input_qubits, output_qubits):
        yield cirq.CNOT(control_qubit, target_qubit)

    # Create mapping:
    if sum(secret_string):  # check if the secret string is non-zero
        # Find significant bit of secret string (first non-zero bit)
        significant = list(secret_string).index(1)

        # Add secret string to input according to the significant bit:
        for j in range(len(secret_string)):
            if secret_string[j] > 0:
                yield cirq.CNOT(input_qubits[significant], output_qubits[j])
    # Apply a random permutation:
    pos = [
        0,
        len(secret_string) - 1,
    ]  # Swap some qubits to define oracle. We choose first and last:
    yield cirq.SWAP(output_qubits[pos[0]], output_qubits[pos[1]])
Exemple #4
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def test_greedy_merging_reverse():
    """Same as the above test, except that the aligning is done in reverse."""
    q1, q2, q3, q4 = cirq.LineQubit.range(4)
    input_circuit = cirq.Circuit(
        cirq.Moment([cirq.SWAP(q1, q2), cirq.SWAP(q3, q4)]),
        cirq.Moment([cirq.X(q4)]),
        cirq.Moment([cirq.SWAP(q3, q4)]),
        cirq.Moment([cirq.X(q1)]),
    )
    expected = cirq.Circuit(
        cirq.Moment([cirq.SWAP(q1, q2), cirq.SWAP(q3, q4)]),
        cirq.Moment([cirq.X(q1), cirq.X(q4)]),
        cirq.Moment([cirq.SWAP(q3, q4)]),
    )
    cirq.testing.assert_same_circuits(
        cirq.stratified_circuit(input_circuit, categories=[cirq.X]), expected)
 def basic_circuit(self, cd, qs):
     circuitDict = self.getCircuitDict()
     for col in cd:
         count = 0
         paircnot = 0
         swap = list()
         cont = list()
         gates = list()
         monent = list()
         for gate in col:
             if gate == 'Swap':
                 swap.append(qs[count])
             elif gate == '•':
                 if paircnot == 0:
                     paircnot += 1
                     cont.append(qs[count])
                 elif paircnot == 1:
                     paircnot += 1
                     cont.append(qs[count])
             elif gate != 1:
                 gates.append((gate, qs[count]))
             count += 1
         if len(swap) > 0:
             monent.append(cirq.SWAP(swap[0], swap[1]))
             if len(gates) > 0:
                 for (gateType, gatePosition) in gates:
                     monent.append(circuitDict[gateType](gatePosition))
         if len(cont) > 0:
             if len(cont) == 1:
                 if gates[0][0] == 'X':
                     monent.append(cirq.CNOT(cont[0], gates[0][1]))
                 if gates[0][0] == 'Z':
                     monent.append(cirq.CZ(cont[0], gates[0][1]))
             if len(cont) == 2:
                 monent.append(cirq.TOFFOLI(cont[0], cont[1], gates[0][1]))
         if len(cont) == 0 and len(swap) == 0:
             for (gateType, gatePosition) in gates:
                 monent.append(circuitDict[gateType](gatePosition))
         yield monent
     yield cirq.measure(*qs, key='result')
def test_various_known_gate_types():
    a = cirq.NamedQubit('a')
    b = cirq.NamedQubit('b')
    circuit = cirq.Circuit.from_ops(
        cirq.X(a),
        cirq.X(a)**0.25,
        cirq.X(a)**-0.5,
        cirq.Z(a),
        cirq.Z(a)**0.5,
        cirq.Y(a),
        cirq.Y(a)**-0.25,
        cirq.Y(a)**cirq.Symbol('t'),
        cirq.H(a),
        cirq.measure(a),
        cirq.measure(a, b, key='not-relevant'),
        cirq.SWAP(a, b),
        cirq.CNOT(a, b),
        cirq.CNOT(b, a),
        cirq.CZ(a, b),
    )
    assert_links_to(circuit,
                    """
        http://algassert.com/quirk#circuit={"cols":[
            ["X"],
            ["X^¼"],
            ["X^-½"],
            ["Z"],
            ["Z^½"],
            ["Y"],
            ["Y^-¼"],
            ["Y^t"],
            ["H"],
            ["Measure"],
            ["Measure","Measure"],
            ["Swap","Swap"],
            ["•","X"],
            ["X","•"],
            ["•","Z"]]}
    """,
                    escape_url=False)
def anzatz(circuit, qubits, parameters):
    for i in range(5):
        pos_up = int(i * 2)
        pos_down = pos_up + 1
        circuit.append([cirq.X(qubits[pos_down])])
        circuit.append([cirq.ry(np.pi / 2).on(qubits[pos_up])])
        circuit.append([cirq.rx(-np.pi / 2).on(qubits[pos_down])])
        circuit.append([cirq.CNOT(qubits[pos_up], qubits[pos_down])])
        circuit.append([cirq.rz(parameters[0]).on(qubits[pos_down])])
        circuit.append([cirq.CNOT(qubits[pos_up], qubits[pos_down])])
        circuit.append([cirq.ry(-np.pi / 2).on(qubits[pos_up])])
        circuit.append([cirq.rx(np.pi / 2).on(qubits[pos_down])])

    circuit.append([cirq.SWAP(qubits[0], qubits[1])])
    circuit.append([cirq.CNOT(qubits[5], qubits[4])])
    circuit.append([cirq.Z(qubits[6]), cirq.Z(qubits[7])])
    circuit.append([cirq.S(qubits[6]), cirq.S(qubits[7])])
    circuit.append([cirq.H(qubits[6]), cirq.H(qubits[7])])
    circuit.append([cirq.CNOT(qubits[7], qubits[6])])
    circuit.append([cirq.H(qubits[8]), cirq.H(qubits[9])])
    circuit.append([cirq.CNOT(qubits[9], qubits[8])])
    return circuit
Exemple #8
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    def test_cirq2pyquil(self):
        ref_qprog = pyquil.quil.Program().inst(pyquil.gates.X(0),
                                               pyquil.gates.T(1),
                                               pyquil.gates.CNOT(0, 1),
                                               pyquil.gates.SWAP(0, 1),
                                               pyquil.gates.CZ(1, 0))

        qubits = [cirq.GridQubit(i, 0) for i in ref_qprog.get_qubits()]

        gates = [
            cirq.X(qubits[0]),
            cirq.T(qubits[1]),
            cirq.CNOT(qubits[0], qubits[1]),
            cirq.SWAP(qubits[0], qubits[1]),
            cirq.CZ(qubits[1], qubits[0])
        ]

        circuit = cirq.Circuit()
        circuit.append(gates, strategy=cirq.circuits.InsertStrategy.EARLIEST)

        qprog = cirq2pyquil(circuit)
        self.assertEqual(qprog, ref_qprog)
def test_various_unknown_gate_types():
    a = cirq.NamedQubit('a')
    b = cirq.NamedQubit('b')
    circuit = cirq.Circuit(
        MysteryOperation(b),
        cirq.SWAP(a, b)**0.5,
        cirq.H(a)**0.5,
        cirq.SingleQubitCliffordGate.X_sqrt.merged_with(
            cirq.SingleQubitCliffordGate.Z_sqrt).on(a),
        cirq.X(a)**(1 / 5),
        cirq.Y(a)**(1 / 5),
        cirq.Z(a)**(1 / 5),
        cirq.CZ(a, b)**(1 / 5),
        cirq.PhasedXPowGate(phase_exponent=0.25)(a),
        cirq.PhasedXPowGate(exponent=1, phase_exponent=sympy.Symbol('r'))(a),
        cirq.PhasedXPowGate(exponent=0.001, phase_exponent=0.1)(a))
    assert_links_to(circuit,
                    """
        http://algassert.com/quirk#circuit={"cols":[
            [1,"UNKNOWN"],
            ["UNKNOWN", "UNKNOWN"],
            [{"id":"?","matrix":"{{0.853553+0.146447i,0.353553-0.353553i},
                                  {0.353553-0.353553i,0.146447+0.853553i}}"}],
            [{"id":"?","matrix":"{{0.5+0.5i,0.5+0.5i},{0.5-0.5i,-0.5+0.5i}}"}],
            [{"arg":"0.2000","id":"X^ft"}],
            [{"arg":"0.2000","id":"Y^ft"}],
            [{"arg":"0.2000","id":"Z^ft"}],
            ["•",{"arg":"0.2000","id":"Z^ft"}],
            [{"id":"?",
              "matrix":"{{0, 0.707107+0.707107i},
                         {0.707107-0.707107i, 0}}"}],
            ["UNKNOWN"],
            [{"id":"?",
              "matrix":"{{0.999998+0.001571i,0.000488-0.001493i},
                         {-0.000483-0.001495i,0.999998+0.001571i}}"}]
        ]}
    """,
                    escape_url=False,
                    prefer_unknown_gate_to_failure=True)
Exemple #10
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def test_circuit_operation_conversion(optimizer_type, two_qubit_gate_type):
    q0, q1 = cirq.LineQubit.range(2)
    subcircuit = cirq.FrozenCircuit(cirq.X(q0), cirq.SWAP(q0, q1))
    circuit = cirq.Circuit(cirq.CircuitOperation(subcircuit))
    converted_circuit = cg.optimized_for_sycamore(
        circuit, optimizer_type=optimizer_type)
    # Verify that the CircuitOperation was preserved.
    ops = list(converted_circuit.all_operations())
    assert isinstance(ops[0], cirq.CircuitOperation)
    # Verify that the contents of the CircuitOperation were optimized.
    converted_subcircuit = cg.optimized_for_sycamore(
        subcircuit.unfreeze(), optimizer_type=optimizer_type)
    assert len([
        *converted_subcircuit.findall_operations_with_gate_type(
            two_qubit_gate_type)
    ]) == len([
        *ops[0].circuit.findall_operations_with_gate_type(two_qubit_gate_type)
    ])
    cirq.testing.assert_circuits_with_terminal_measurements_are_equivalent(
        ops[0].circuit, converted_subcircuit, atol=1e-8)
    cirq.testing.assert_circuits_with_terminal_measurements_are_equivalent(
        circuit, converted_circuit, atol=1e-8)
Exemple #11
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def test_greedy_merging():
    """Tests a tricky situation where the algorithm of "Merge single-qubit
    gates, greedily align single-qubit then 2-qubit operations" doesn't work.
    Our algorithm succeeds because we also run it in reverse order."""
    q1, q2, q3, q4 = cirq.LineQubit.range(4)
    input_circuit = cirq.Circuit(
        cirq.Moment([cirq.X(q1)]),
        cirq.Moment([cirq.SWAP(q1, q2), cirq.SWAP(q3, q4)]),
        cirq.Moment([cirq.X(q3)]),
        cirq.Moment([cirq.SWAP(q3, q4)]),
    )
    expected = cirq.Circuit(
        cirq.Moment([cirq.SWAP(q3, q4)]),
        cirq.Moment([cirq.X(q1), cirq.X(q3)]),
        cirq.Moment([cirq.SWAP(q1, q2), cirq.SWAP(q3, q4)]),
    )
    assert cirq.stratified_circuit(input_circuit, categories=[cirq.X]) == expected
Exemple #12
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def test_interchangeable_qubit_eq():
    a = cirq.NamedQubit('a')
    b = cirq.NamedQubit('b')
    c = cirq.NamedQubit('c')
    eq = cirq.testing.EqualsTester()

    eq.add_equality_group(cirq.SWAP(a, b), cirq.SWAP(b, a))
    eq.add_equality_group(cirq.SWAP(a, c))

    eq.add_equality_group(cirq.SWAP(a, b)**0.3, cirq.SWAP(b, a)**0.3)
    eq.add_equality_group(cirq.SWAP(a, c)**0.3)

    eq.add_equality_group(cirq.ISWAP(a, b), cirq.ISWAP(b, a))
    eq.add_equality_group(cirq.ISWAP(a, c))

    eq.add_equality_group(cirq.ISWAP(a, b)**0.3, cirq.ISWAP(b, a)**0.3)
    eq.add_equality_group(cirq.ISWAP(a, c)**0.3)
Exemple #13
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def test_text_diagrams():
    a = cirq.NamedQubit('a')
    b = cirq.NamedQubit('b')
    circuit = cirq.Circuit(cirq.SWAP(a, b), cirq.ISWAP(a, b)**-1)

    cirq.testing.assert_has_diagram(
        circuit,
        """
a: ───×───iSwap──────
      │   │
b: ───×───iSwap^-1───
""",
    )

    cirq.testing.assert_has_diagram(
        circuit,
        """
a: ---Swap---iSwap------
      |      |
b: ---Swap---iSwap^-1---
""",
        use_unicode_characters=False,
    )
def test_decompose_preserving_structure():
    a, b = cirq.LineQubit.range(2)
    fc1 = cirq.FrozenCircuit(cirq.SWAP(a, b), cirq.FSimGate(0.1, 0.2).on(a, b))
    cop1_1 = cirq.CircuitOperation(fc1).with_tags('test_tag')
    cop1_2 = cirq.CircuitOperation(fc1).with_qubit_mapping({a: b, b: a})
    fc2 = cirq.FrozenCircuit(cirq.X(a), cop1_1, cop1_2)
    cop2 = cirq.CircuitOperation(fc2)

    circuit = cirq.Circuit(cop2, cirq.measure(a, b, key='m'))
    actual = cirq.Circuit(cirq.decompose(circuit, preserve_structure=True))

    # This should keep the CircuitOperations but decompose their SWAPs.
    fc1_decomp = cirq.FrozenCircuit(cirq.decompose(fc1))
    expected = cirq.Circuit(
        cirq.CircuitOperation(
            cirq.FrozenCircuit(
                cirq.X(a),
                cirq.CircuitOperation(fc1_decomp).with_tags('test_tag'),
                cirq.CircuitOperation(fc1_decomp).with_qubit_mapping({a: b, b: a}),
            )
        ),
        cirq.measure(a, b, key='m'),
    )
    assert actual == expected
Exemple #15
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def _swap_rzz(theta: float, q0: cirq.Qid, q1: cirq.Qid) -> cirq.OP_TREE:
    """An implementation of SWAP * exp(-1j * theta * ZZ) using three sycamore gates.

    This builds off of the _rzz method.

    Args:
        theta: The rotation parameter of Rzz Ising coupling gate.
        q0: First qubit to operate on.
        q1: Second qubit to operate on.

    Yields:
        The `cirq.OP_TREE`` that implements ZZ followed by a swap.
    """

    # Set interaction part.
    angle_offset = np.pi / 24 - np.pi / 4
    circuit = cirq.Circuit(ops.SYC(q0, q1), _rzz(theta - angle_offset, q0, q1))

    # Get the intended circuit.
    intended_circuit = cirq.Circuit(
        cirq.SWAP(q0, q1), cirq.ZZPowGate(exponent=2 * theta / np.pi, global_shift=-0.5).on(q0, q1)
    )

    yield _create_corrected_circuit(cirq.unitary(intended_circuit), circuit, q0, q1)
def make_superdense_circuit():
    circuit = cirq.Circuit()
    q0, q1, q2, q3, q4 = cirq.LineQubit.range(5)

    # Randomly sets q0 and q1 to either 0 or 1
    circuit.append([cirq.H(q0), cirq.H(q1)])
    circuit.append(cirq.measure(q0, q1, key="input "))

    # Creates Bell State to be shared on q2 and q4
    circuit.append([cirq.H(q2), cirq.CNOT(q2, q4)])
    # Step 1 of encoding (controlled NOT gate on q1 / q2)
    circuit.append(cirq.CNOT(q1, q2))
    # Step 2 of encoding (controlled Z gate on q0 / q2)
    circuit.append(cirq.CZ(q0, q2))
    # Sends encoded information to receiver
    circuit.append(cirq.SWAP(q2, q3))
    # Step 1 of decoding (controlled NOT gate on q3 and q4)
    circuit.append(cirq.CNOT(q3, q4))
    # Step 2 of decoding (Hadamard gate on q3)
    circuit.append(cirq.H(q3))
    # Measurement by receiver to decode bits
    circuit.append(cirq.measure(q3, q4, key="output"))

    return circuit
Exemple #17
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    def test_cirq_qsim_all_supported_gates(self):
        q0 = cirq.GridQubit(1, 1)
        q1 = cirq.GridQubit(1, 0)
        q2 = cirq.GridQubit(0, 1)
        q3 = cirq.GridQubit(0, 0)

        circuit = cirq.Circuit(
            cirq.Moment([
                cirq.H(q0),
                cirq.H(q1),
                cirq.H(q2),
                cirq.H(q3),
            ]),
            cirq.Moment([
                cirq.T(q0),
                cirq.T(q1),
                cirq.T(q2),
                cirq.T(q3),
            ]),
            cirq.Moment([
                cirq.CZPowGate(exponent=0.7, global_shift=0.2)(q0, q1),
                cirq.CXPowGate(exponent=1.2, global_shift=0.4)(q2, q3),
            ]),
            cirq.Moment([
                cirq.XPowGate(exponent=0.3, global_shift=1.1)(q0),
                cirq.YPowGate(exponent=0.4, global_shift=1)(q1),
                cirq.ZPowGate(exponent=0.5, global_shift=0.9)(q2),
                cirq.HPowGate(exponent=0.6, global_shift=0.8)(q3),
            ]),
            cirq.Moment([
                cirq.CX(q0, q2),
                cirq.CZ(q1, q3),
            ]),
            cirq.Moment([
                cirq.X(q0),
                cirq.Y(q1),
                cirq.Z(q2),
                cirq.S(q3),
            ]),
            cirq.Moment([
                cirq.XXPowGate(exponent=0.4, global_shift=0.7)(q0, q1),
                cirq.YYPowGate(exponent=0.8, global_shift=0.5)(q2, q3),
            ]),
            cirq.Moment([cirq.I(q0),
                         cirq.I(q1),
                         cirq.IdentityGate(2)(q2, q3)]),
            cirq.Moment([
                cirq.rx(0.7)(q0),
                cirq.ry(0.2)(q1),
                cirq.rz(0.4)(q2),
                cirq.PhasedXPowGate(phase_exponent=0.8,
                                    exponent=0.6,
                                    global_shift=0.3)(q3),
            ]),
            cirq.Moment([
                cirq.ZZPowGate(exponent=0.3, global_shift=1.3)(q0, q2),
                cirq.ISwapPowGate(exponent=0.6, global_shift=1.2)(q1, q3),
            ]),
            cirq.Moment([
                cirq.XPowGate(exponent=0.1, global_shift=0.9)(q0),
                cirq.YPowGate(exponent=0.2, global_shift=1)(q1),
                cirq.ZPowGate(exponent=0.3, global_shift=1.1)(q2),
                cirq.HPowGate(exponent=0.4, global_shift=1.2)(q3),
            ]),
            cirq.Moment([
                cirq.SwapPowGate(exponent=0.2, global_shift=0.9)(q0, q1),
                cirq.PhasedISwapPowGate(phase_exponent=0.8, exponent=0.6)(q2,
                                                                          q3),
            ]),
            cirq.Moment([
                cirq.PhasedXZGate(x_exponent=0.2,
                                  z_exponent=0.3,
                                  axis_phase_exponent=1.4)(q0),
                cirq.T(q1),
                cirq.H(q2),
                cirq.S(q3),
            ]),
            cirq.Moment([
                cirq.SWAP(q0, q2),
                cirq.XX(q1, q3),
            ]),
            cirq.Moment([
                cirq.rx(0.8)(q0),
                cirq.ry(0.9)(q1),
                cirq.rz(1.2)(q2),
                cirq.T(q3),
            ]),
            cirq.Moment([
                cirq.YY(q0, q1),
                cirq.ISWAP(q2, q3),
            ]),
            cirq.Moment([
                cirq.T(q0),
                cirq.Z(q1),
                cirq.Y(q2),
                cirq.X(q3),
            ]),
            cirq.Moment([
                cirq.FSimGate(0.3, 1.7)(q0, q2),
                cirq.ZZ(q1, q3),
            ]),
            cirq.Moment([
                cirq.ry(1.3)(q0),
                cirq.rz(0.4)(q1),
                cirq.rx(0.7)(q2),
                cirq.S(q3),
            ]),
            cirq.Moment([
                cirq.MatrixGate(
                    np.array([[0, -0.5 - 0.5j, -0.5 - 0.5j, 0],
                              [0.5 - 0.5j, 0, 0, -0.5 + 0.5j],
                              [0.5 - 0.5j, 0, 0, 0.5 - 0.5j],
                              [0, -0.5 - 0.5j, 0.5 + 0.5j, 0]]))(q0, q1),
                cirq.MatrixGate(
                    np.array([[0.5 - 0.5j, 0, 0, -0.5 + 0.5j],
                              [0, 0.5 - 0.5j, -0.5 + 0.5j, 0],
                              [0, -0.5 + 0.5j, -0.5 + 0.5j, 0],
                              [0.5 - 0.5j, 0, 0, 0.5 - 0.5j]]))(q2, q3),
            ]),
            cirq.Moment([
                cirq.MatrixGate(np.array([[1, 0], [0, 1j]]))(q0),
                cirq.MatrixGate(np.array([[0, -1j], [1j, 0]]))(q1),
                cirq.MatrixGate(np.array([[0, 1], [1, 0]]))(q2),
                cirq.MatrixGate(np.array([[1, 0], [0, -1]]))(q3),
            ]),
            cirq.Moment([
                cirq.riswap(0.7)(q0, q1),
                cirq.givens(1.2)(q2, q3),
            ]),
            cirq.Moment([
                cirq.H(q0),
                cirq.H(q1),
                cirq.H(q2),
                cirq.H(q3),
            ]),
        )

        simulator = cirq.Simulator()
        cirq_result = simulator.simulate(circuit)

        qsim_simulator = qsimcirq.QSimSimulator()
        qsim_result = qsim_simulator.simulate(circuit)

        assert cirq.linalg.allclose_up_to_global_phase(
            qsim_result.state_vector(), cirq_result.state_vector())
Exemple #18
0
def test_moment_text_diagram():
    a, b, c, d = cirq.GridQubit.rect(2, 2)
    m = cirq.Moment(cirq.CZ(a, b), cirq.CNOT(c, d))
    assert (str(m).strip() == """
  ╷ 0 1
╶─┼─────
0 │ @─@
  │
1 │ @─X
  │
    """.strip())

    m = cirq.Moment(cirq.CZ(a, b), cirq.CNOT(c, d))
    cirq.testing.assert_has_diagram(
        m,
        """
   ╷ None 0 1
╶──┼──────────
aa │
   │
0  │      @─@
   │
1  │      @─X
   │
        """,
        extra_qubits=[cirq.NamedQubit("aa")],
    )

    m = cirq.Moment(cirq.S(c), cirq.ISWAP(a, d))
    cirq.testing.assert_has_diagram(
        m,
        """
  ╷ 0     1
╶─┼─────────────
0 │ iSwap─┐
  │       │
1 │ S     iSwap
  │
    """,
    )

    m = cirq.Moment(cirq.S(c)**0.1, cirq.ISWAP(a, d)**0.5)
    cirq.testing.assert_has_diagram(
        m,
        """
  ╷ 0         1
╶─┼─────────────────
0 │ iSwap^0.5─┐
  │           │
1 │ Z^0.05    iSwap
  │
    """,
    )

    a, b, c = cirq.LineQubit.range(3)
    m = cirq.Moment(cirq.X(a), cirq.SWAP(b, c))
    cirq.testing.assert_has_diagram(
        m,
        """
  ╷ a b c
╶─┼───────
0 │ X
  │
1 │   ×─┐
  │     │
2 │     ×
  │
    """,
        xy_breakdown_func=lambda q: ('abc'[q.x], q.x),
    )

    class EmptyGate(cirq.Gate):
        def _num_qubits_(self) -> int:
            return 1

        def __str__(self):
            return 'Empty'

    m = cirq.Moment(EmptyGate().on(a))
    cirq.testing.assert_has_diagram(
        m,
        """
  ╷ 0
╶─┼───────
0 │ Empty
  │
    """,
    )
Exemple #19
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def _get_circuit_proto_pairs():
    q0 = cirq.GridQubit(0, 0)
    q1 = cirq.GridQubit(0, 1)

    pairs = [
        # HPOW and aliases.
        (cirq.Circuit(cirq.HPowGate(exponent=0.3)(q0)),
         _build_gate_proto("HP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.HPowGate(exponent=sympy.Symbol('alpha'))(q0)),
         _build_gate_proto("HP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.HPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0)),
         _build_gate_proto("HP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.H(q0)),
         _build_gate_proto("HP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0'])),

        # XPOW and aliases.
        (cirq.Circuit(cirq.XPowGate(exponent=0.3)(q0)),
         _build_gate_proto("XP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.XPowGate(exponent=sympy.Symbol('alpha'))(q0)),
         _build_gate_proto("XP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.XPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0)),
         _build_gate_proto("XP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.X(q0)),
         _build_gate_proto("XP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0'])),

        # YPOW and aliases
        (cirq.Circuit(cirq.YPowGate(exponent=0.3)(q0)),
         _build_gate_proto("YP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.YPowGate(exponent=sympy.Symbol('alpha'))(q0)),
         _build_gate_proto("YP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.YPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0)),
         _build_gate_proto("YP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.Y(q0)),
         _build_gate_proto("YP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0'])),

        # ZPOW and aliases.
        (cirq.Circuit(cirq.ZPowGate(exponent=0.3)(q0)),
         _build_gate_proto("ZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.ZPowGate(exponent=sympy.Symbol('alpha'))(q0)),
         _build_gate_proto("ZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.ZPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0)),
         _build_gate_proto("ZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0'])),
        (cirq.Circuit(cirq.Z(q0)),
         _build_gate_proto("ZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0'])),

        # XXPow and aliases
        (cirq.Circuit(cirq.XXPowGate(exponent=0.3)(q0, q1)),
         _build_gate_proto("XXP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.XXPowGate(exponent=sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("XXP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.XXPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("XXP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.XX(q0, q1)),
         _build_gate_proto("XXP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0', '0_1'])),

        # YYPow and aliases
        (cirq.Circuit(cirq.YYPowGate(exponent=0.3)(q0, q1)),
         _build_gate_proto("YYP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.YYPowGate(exponent=sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("YYP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.YYPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("YYP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.YY(q0, q1)),
         _build_gate_proto("YYP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0', '0_1'])),

        # ZZPow and aliases
        (cirq.Circuit(cirq.ZZPowGate(exponent=0.3)(q0, q1)),
         _build_gate_proto("ZZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.ZZPowGate(exponent=sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("ZZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.ZZPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("ZZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.ZZ(q0, q1)),
         _build_gate_proto("ZZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0', '0_1'])),

        # CZPow and aliases
        (cirq.Circuit(cirq.CZPowGate(exponent=0.3)(q0, q1)),
         _build_gate_proto("CZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.CZPowGate(exponent=sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("CZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.CZPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("CZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.CZ(q0, q1)),
         _build_gate_proto("CZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0', '0_1'])),

        # CNOTPow and aliases
        (cirq.Circuit(cirq.CNotPowGate(exponent=0.3)(q0, q1)),
         _build_gate_proto("CNP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.CNotPowGate(exponent=sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("CNP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.CNotPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("CNP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.CNOT(q0, q1)),
         _build_gate_proto("CNP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0', '0_1'])),

        # SWAPPow and aliases
        (cirq.Circuit(cirq.SwapPowGate(exponent=0.3)(q0, q1)),
         _build_gate_proto("SP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.SwapPowGate(exponent=sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("SP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.SwapPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("SP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.SWAP(q0, q1)),
         _build_gate_proto("SP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0', '0_1'])),

        # ISWAPPow and aliases
        (cirq.Circuit(cirq.ISwapPowGate(exponent=0.3)(q0, q1)),
         _build_gate_proto("ISP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [0.3, 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.ISwapPowGate(exponent=sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("ISP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 1.0, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.ISwapPowGate(exponent=3.1 * sympy.Symbol('alpha'))(q0, q1)),
         _build_gate_proto("ISP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           ['alpha', 3.1, 0.0], ['0_0', '0_1'])),
        (cirq.Circuit(cirq.ISWAP(q0, q1)),
         _build_gate_proto("ISP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, 0.0], ['0_0', '0_1'])),

        # PhasedXPow and aliases
        (cirq.Circuit(
            cirq.PhasedXPowGate(phase_exponent=0.9,
                                exponent=0.3,
                                global_shift=0.2)(q0)),
         _build_gate_proto("PXP", [
             'phase_exponent', 'phase_exponent_scalar', 'exponent',
             'exponent_scalar', 'global_shift'
         ], [0.9, 1.0, 0.3, 1.0, 0.2], ['0_0'])),
        (cirq.Circuit(
            cirq.PhasedXPowGate(phase_exponent=sympy.Symbol('alpha'),
                                exponent=0.3)(q0)),
         _build_gate_proto("PXP", [
             'phase_exponent', 'phase_exponent_scalar', 'exponent',
             'exponent_scalar', 'global_shift'
         ], ['alpha', 1.0, 0.3, 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(
            cirq.PhasedXPowGate(phase_exponent=3.1 * sympy.Symbol('alpha'),
                                exponent=0.3)(q0)),
         _build_gate_proto("PXP", [
             'phase_exponent', 'phase_exponent_scalar', 'exponent',
             'exponent_scalar', 'global_shift'
         ], ['alpha', 3.1, 0.3, 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(
            cirq.PhasedXPowGate(phase_exponent=0.9,
                                exponent=sympy.Symbol('beta'))(q0)),
         _build_gate_proto("PXP", [
             'phase_exponent', 'phase_exponent_scalar', 'exponent',
             'exponent_scalar', 'global_shift'
         ], [0.9, 1.0, 'beta', 1.0, 0.0], ['0_0'])),
        (cirq.Circuit(
            cirq.PhasedXPowGate(phase_exponent=0.9,
                                exponent=5.1 * sympy.Symbol('beta'))(q0)),
         _build_gate_proto("PXP", [
             'phase_exponent', 'phase_exponent_scalar', 'exponent',
             'exponent_scalar', 'global_shift'
         ], [0.9, 1.0, 'beta', 5.1, 0.0], ['0_0'])),
        (cirq.Circuit(
            cirq.PhasedXPowGate(phase_exponent=3.1 * sympy.Symbol('alpha'),
                                exponent=5.1 * sympy.Symbol('beta'))(q0)),
         _build_gate_proto("PXP", [
             'phase_exponent', 'phase_exponent_scalar', 'exponent',
             'exponent_scalar', 'global_shift'
         ], ['alpha', 3.1, 'beta', 5.1, 0.0], ['0_0'])),

        # RX, RY, RZ with symbolization is tested in special cases as the
        # string comparison of the float converted sympy.pi does not happen
        # smoothly. See: test_serialize_deserialize_special_case_one_qubit
        (cirq.Circuit(cirq.rx(np.pi)(q0)),
         _build_gate_proto("XP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, -0.5], ['0_0'])),
        (cirq.Circuit(cirq.ry(np.pi)(q0)),
         _build_gate_proto("YP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, -0.5], ['0_0'])),
        (cirq.Circuit(cirq.rz(np.pi)(q0)),
         _build_gate_proto("ZP",
                           ['exponent', 'exponent_scalar', 'global_shift'],
                           [1.0, 1.0, -0.5], ['0_0'])),

        # Identity
        (cirq.Circuit(cirq.I(q0)),
         _build_gate_proto("I", ['unused'], [True], ['0_0'])),

        # FSimGate
        (cirq.Circuit(cirq.FSimGate(theta=0.1, phi=0.2)(q0, q1)),
         _build_gate_proto("FSIM",
                           ['theta', 'theta_scalar', 'phi', 'phi_scalar'],
                           [0.1, 1.0, 0.2, 1.0], ['0_0', '0_1'])),
        (cirq.Circuit(
            cirq.FSimGate(theta=2.1 * sympy.Symbol("alpha"),
                          phi=1.3 * sympy.Symbol("beta"))(q0, q1)),
         _build_gate_proto("FSIM",
                           ['theta', 'theta_scalar', 'phi', 'phi_scalar'],
                           ['alpha', 2.1, 'beta', 1.3], ['0_0', '0_1'])),
    ]

    return pairs
def cz_and_swap(q0, q1, rot):
    """Yields a controlled-RZ gate and SWAP gate on the input qubits."""
    yield cirq.CZ(q0, q1)**rot
    yield cirq.SWAP(q0, q1)
def _cz_and_swap(q0, q1, rot):
    yield cirq.CZ(q0, q1) ** rot
    yield cirq.SWAP(q0, q1)
Exemple #22
0
def test_not_a_swap(exponent):
    a, b = cirq.LineQubit.range(2)
    assert not cirq.optimizers.eject_z._is_swaplike(cirq.SWAP(a, b)**exponent)
Exemple #23
0
def _swap_and_zz(q_0: cirq.GridQubit, q_1: cirq.GridQubit,
                 zz_coeff: float) -> List[cirq.Gate]:
    gate_seq = [cirq.SWAP(q_0, q_1)]
    if zz_coeff != 0:
        gate_seq.append(cirq.ZZ(q_0, q_1)**zz_coeff)
    return gate_seq
Q, Q2, Q3 = cirq.LineQubit.range(3)


@pytest.mark.parametrize(
    "op,expected",
    [
        (cirq.H(Q), True),
        (cirq.HPowGate(exponent=0.5)(Q), False),
        (cirq.PhasedXPowGate(exponent=0.25, phase_exponent=0.125)(Q), True),
        (cirq.XPowGate(exponent=0.5)(Q), True),
        (cirq.YPowGate(exponent=0.25)(Q), True),
        (cirq.ZPowGate(exponent=0.125)(Q), True),
        (cirq.CZPowGate(exponent=0.5)(Q, Q2), False),
        (cirq.CZ(Q, Q2), True),
        (cirq.CNOT(Q, Q2), True),
        (cirq.SWAP(Q, Q2), False),
        (cirq.ISWAP(Q, Q2), False),
        (cirq.CCNOT(Q, Q2, Q3), True),
        (cirq.CCZ(Q, Q2, Q3), True),
        (cirq.ParallelGate(cirq.X, num_copies=3)(Q, Q2, Q3), True),
        (cirq.ParallelGate(cirq.Y, num_copies=3)(Q, Q2, Q3), True),
        (cirq.ParallelGate(cirq.Z, num_copies=3)(Q, Q2, Q3), True),
        (cirq.X(Q).controlled_by(Q2, Q3), True),
        (cirq.Z(Q).controlled_by(Q2, Q3), True),
        (cirq.ZPowGate(exponent=0.5)(Q).controlled_by(Q2, Q3), False),
    ],
)
def test_gateset(op: cirq.Operation, expected: bool):
    gs = cirq_pasqal.PasqalGateset()
    assert gs.validate(op) == expected
    assert gs.validate(cirq.Circuit(op)) == expected
import cirq

circuit = cirq.Circuit()  #首先创建一个电路来,可以通过添加电路来创建它
circuit.append(cirq.H(q) for q in cirq.LineQubit.range(3))
# 由于没有重叠,所有闸门都置于相同的时刻
print(circuit)

# 我们页可以直接创建一个电路
print(cirq.Circuit((cirq.SWAP(q, q + 1) for q in cirq.LineQubit.range(3))))

#不希望cirq自动将操作一直移到最左边。要在不执行此操作的情况下构建电路,可以按瞬间创建电路,也可以使用其他方法
# 在单独的时刻创建每个门。
print(cirq.Circuit(cirq.Moment([cirq.H(q)]) for q in cirq.LineQubit.range(3)))
Exemple #26
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def bernstein(error_correct=False):

    API_TOKEN = '7cf33cd2f0d7044af8518c33321fa74d7380d3ba58d08b271404e8226aa1f5490818ba86e1635f89e6c3cfbf10aa091ff04c1f5ff61f0f391ed780b4484e0b18'

    # initialize qiskit
    IBMQ.save_account(API_TOKEN)
    provider = IBMQ.load_account()
    print(provider.backends())
    backend = provider.backends.ibmq_16_melbourne

    # initialize qubits with architecture in mind
    qubits = [cirq.GridQubit(0, 5), cirq.GridQubit(1, 4),\
              cirq.GridQubit(0, 6), cirq.GridQubit(2, 5),\
              cirq.GridQubit(2, 3), cirq.GridQubit(1, 5),\
              cirq.GridQubit(3, 4), cirq.GridQubit(2, 4)]

    if error_correct:
        error_qubits = [cirq.GridQubit(3, 4), cirq.GridQubit(3, 3),\
                           cirq.GridQubit(3, 2), cirq.GridQubit(4, 3)]

    # construct circuit
    circuit = cirq.Circuit()

    # error correction setup. error correct qubit (2,3)
    if error_correct:
        circuit.append([cirq.CNOT(qubits[2], error_qubits[1])])
        circuit.append([cirq.SWAP(error_qubits[0], error_qubits[1])])
        circuit.append([cirq.CNOT(qubits[2], error_qubits[1])])
        circuit.append([cirq.SWAP(error_qubits[0], error_qubits[1])])

    # hadamards
    circuit.append([cirq.H(q) for q in qubits])

    # turn helper qubit to 1
    circuit.append([cirq.Z(qubits[7])])

    # oracle
    circuit.append([cirq.CNOT(qubits[1], qubits[7])])
    circuit.append([cirq.CNOT(qubits[3], qubits[7])])
    circuit.append([cirq.CNOT(qubits[4], qubits[7])])
    circuit.append([cirq.CNOT(qubits[6], qubits[7])])

    # hadamards
    circuit.append([cirq.H(q) for q in qubits[:-1]])

    # error detection and correction
    if error_correct:
        circuit.append([cirq.SWAP(error_qubits[2], error_qubits[1])])
        circuit.append([cirq.CNOT(qubits[2], error_qubits[1])])
        circuit.append([cirq.SWAP(error_qubits[2], error_qubits[1])])
        circuit.append([cirq.CNOT(error_qubits[1], error_qubits[2])])
        circuit.append([cirq.SWAP(error_qubits[3], error_qubits[1])])
        circuit.append([cirq.CNOT(qubits[2], error_qubits[1])])
        circuit.append([cirq.CNOT(error_qubits[0], error_qubits[1])])
        circuit.append([cirq.SWAP(error_qubits[1], error_qubits[3])])
        circuit.append(
            [cirq.measure(error_qubits[2]),
             cirq.measure(error_qubits[3])])
        circuit.append(
            [cirq.CCNOT(qubits[2], error_qubits[1], error_qubits[0])])

    # measure
    circuit.append([cirq.measure(q) for q in qubits[:-1]])

    # export to qasm
    qasm_str = circuit.to_qasm()

    # import qiskit from qasm
    qiskit_circuit = qiskitqc.from_qasm_str(qasm_str)

    # run qiskit
    transpiled = transpile(qiskit_circuit, backend)
    qobj = assemble(transpiled, backend, shots=100)
    job = backend.run(qobj)
    print(job.job_id())
    result = job.result()
    counts = result.get_counts()
    delayed_result = backend.retrieve_job(job.job_id()).result()
    delayed_counts = delayed_result.get_counts()
    print(counts)
    print(delayed_counts)

    return requests.post(url, json=job_payload)
Exemple #27
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def generate_decomposed_swap(
        q1: cirq.Qid, q2: cirq.Qid) -> Generator[cirq.Operation, None, None]:
    """Generates a SWAP operation using sqrt-iswap gates."""
    yield from cirq.google.optimized_for_sycamore(
        cirq.Circuit(cirq.SWAP(q1, q2))).all_operations()
Exemple #28
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pprint(oper_noU)

print('U phase U TIMES (phase with opposite sign)')
pprint(simplify(oper @ oper_noU.subs(t1, -t1).subs(t2, -t2).subs(t3, -t3).subs(t4, -t4)))

# swap_T1C2 = kronecker_product(eye(2), SWAP(π/2), eye(2))
# oper = swap_T1C2 @ oper @ swap_T1C2
# print('Now with swapped such that the order is : C1 T1 C2 T2')
# pprint(oper)


# --- Again with Cirq ---
print('CIRCUIT')
qc2 = cirq.Circuit()
_t1, _t2, _t3, _t4 = 1,2,3,4
qc2.append(cirq.SWAP(T1, T2).controlled_by(C1, C2))
qc2.append(cirq.SWAP(T1, T2).controlled_by(C1, C2, control_values=[0,0]))
qc2.append(cirq.SWAP(C1, C2).controlled_by(T1, T2))
qc2.append(cirq.SWAP(C1, C2).controlled_by(T1, T2, control_values=[0,0]))
qc2.append(cirq.ZPowGate().on(C1)**(_t1/np.pi))
qc2.append(cirq.ZPowGate().on(C2)**(_t2/np.pi))
qc2.append(cirq.ZPowGate().on(T1)**(_t3/np.pi))
qc2.append(cirq.ZPowGate().on(T2)**(_t4/np.pi))
qc2.append(cirq.SWAP(T1, T2).controlled_by(C1, C2))
qc2.append(cirq.SWAP(T1, T2).controlled_by(C1, C2, control_values=[0,0]))
qc2.append(cirq.SWAP(C1, C2).controlled_by(T1, T2))
qc2.append(cirq.SWAP(C1, C2).controlled_by(T1, T2, control_values=[0,0]))
criq_unitary = qc2.unitary(qubit_order=qubit_order)
ndtotext_print(criq_unitary)

print('The one from nympy with same values for t:')
    undiagrammable_op = UndiagrammableGate()(qbits[1])

    c_op = cirq.ControlledOperation(qbits[:1], undiagrammable_op)
    assert cirq.circuit_diagram_info(c_op, default=None) is None


@pytest.mark.parametrize('gate', [
    cirq.X(cirq.NamedQubit('q1')),
    cirq.X(cirq.NamedQubit('q1'))**0.5,
    cirq.rx(np.pi)(cirq.NamedQubit('q1')),
    cirq.rx(np.pi / 2)(cirq.NamedQubit('q1')),
    cirq.Z(cirq.NamedQubit('q1')),
    cirq.H(cirq.NamedQubit('q1')),
    cirq.CNOT(cirq.NamedQubit('q1'), cirq.NamedQubit('q2')),
    cirq.SWAP(cirq.NamedQubit('q1'), cirq.NamedQubit('q2')),
    cirq.CCZ(cirq.NamedQubit('q1'), cirq.NamedQubit('q2'),
             cirq.NamedQubit('q3')),
    cirq.ControlledGate(cirq.ControlledGate(
        cirq.CCZ))(*cirq.LineQubit.range(5)),
    GateUsingWorkspaceForApplyUnitary()(cirq.NamedQubit('q1')),
    GateAllocatingNewSpaceForResult()(cirq.NamedQubit('q1')),
])
def test_controlled_operation_is_consistent(gate: cirq.GateOperation):
    cb = cirq.NamedQubit('ctr')
    cgate = cirq.ControlledOperation([cb], gate)
    cirq.testing.assert_implements_consistent_protocols(cgate)

    cgate = cirq.ControlledOperation([cb], gate, control_values=[0])
    cirq.testing.assert_implements_consistent_protocols(cgate)
Exemple #30
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def test_half_swap_does_merge():
    args = create_container(qs2)
    args.apply_operation(cirq.SWAP(q0, q1)**0.5)
    assert len(set(args.values())) == 2
    assert args[q0] is args[q1]