def test_can_to_cnot() -> None:
    gate = qf.Can(0.3, 0.23, 0.22, 0, 1)
    circ = qf.Circuit(qf.translate_can_to_cnot(gate))  # type: ignore
    assert qf.gates_close(gate, circ.asgate())

    gate = qf.Can(0.3, 0.23, 0.0, 0, 1)
    circ = qf.Circuit(qf.translate_can_to_cnot(gate))  # type: ignore
    print(qf.canonical_decomposition(circ.asgate()))
    assert qf.gates_close(gate, circ.asgate())
Example #2
0
def test_decomp_sqrtswap_sandwich() -> None:
    circ0 = qf.Circuit()
    circ0 += qf.Can(1 / 4, 1 / 4, 1 / 4, 0, 1)
    circ0 += qf.RandomGate([0])
    circ0 += qf.RandomGate([1])
    circ0 += qf.Can(1 / 4, 1 / 4, 1 / 4, 0, 1)

    gate0 = circ0.asgate()
    circ1 = qf.canonical_decomposition(gate0)
    gate1 = circ1.asgate()
    assert qf.gates_close(gate0, gate1)
Example #3
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def test_translate_to_qutip() -> None:
    circ0 = qf.Circuit()
    circ0 += qf.Can(0.1, 0.2, 0.3, 0, 1)
    qbc = xqutip.circuit_to_qutip(circ0, translate=True)
    U = gate_sequence_product(qbc.propagators())
    gate0 = qf.Unitary(U.full(), qubits=[0, 1])
    assert qf.gates_close(gate0, circ0.asgate())

    with pytest.raises(ValueError):
        xqutip.circuit_to_qutip(circ0, translate=False)

    circ1 = qf.Circuit()
    circ1 += qf.Can(0.1, 0.2, 0.3, "a", "b")
    with pytest.raises(ValueError):
        xqutip.circuit_to_qutip(circ1, translate=True)
Example #4
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def sandwich_decompositions(coords0, coords1, samples=SAMPLES):
    """Create composite gates, decompose, and return a list
    of canonical coordinates"""
    decomps = []
    for _ in range(samples):
        circ = qf.Circuit()
        circ += qf.Can(*coords0, 0, 1)
        circ += qf.RandomGate([0])
        circ += qf.RandomGate([1])
        circ += qf.Can(*coords1, 0, 1)
        gate = circ.asgate()

        coords = qf.canonical_coords(gate)
        decomps.append(coords)

    return decomps
Example #5
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def test_canonical_decomposition() -> None:
    for tt1 in range(0, 6):
        for tt2 in range(tt1):
            for tt3 in range(tt2):
                t1, t2, t3 = tt1 / 12, tt2 / 12, tt3 / 12
                if t3 == 0 and t1 > 0.5:
                    continue
                coords = np.asarray((t1, t2, t3))

                circ0 = qf.Circuit()
                circ0 += qf.RandomGate([0])
                circ0 += qf.RandomGate([1])
                circ0 += qf.Can(t1, t2, t3, 0, 1)
                circ0 += qf.RandomGate([0])
                circ0 += qf.RandomGate([1])
                gate0 = circ0.asgate()

                circ1 = qf.canonical_decomposition(gate0)
                assert qf.gates_close(gate0, circ1.asgate())

                canon = circ1[1]
                new_coords = np.asarray(
                    [canon.param(n) for n in ["tx", "ty", "tz"]])
                assert np.allclose(coords, np.asarray(new_coords))

                coords2 = qf.canonical_coords(gate0)
                assert np.allclose(coords, np.asarray(coords2))
Example #6
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def test_convert_can_to_weyl() -> None:
    for r in range(100):
        tx = np.random.uniform(-10, +10)
        ty = np.random.uniform(-10, +10)
        tz = np.random.uniform(-10, +10)

        gate0 = qf.Can(tx, ty, tz, 1, 2)
        circ = qf.convert_can_to_weyl(gate0, euler="XYX")

        assert qf.gates_close(gate0, circ.asgate())
Example #7
0
def test_qsim_translate() -> None:
    q0, q1, q2 = "q0", "q1", "q2"

    circ0 = qf.Circuit()
    circ0 += qf.H(q0)
    circ0 += qf.X(q1)
    circ0 += qf.S_H(q0)
    circ0 += qf.XX(0.2, q0, q1)
    circ0 += qf.Can(0.2, 0.1, 0.4, q0, q2)
    circ0 += qf.Swap(q0, q1)

    ket1 = circ0.run()
    sim = QSimSimulator(circ0, translate=True)
    # print(sim._circuit)
    ket2 = sim.run()

    assert qf.states_close(ket1, ket2)
Example #8
0
def test_specialize_2q() -> None:
    q0, q1 = 3, 5
    assert isinstance(qf.Can(0.0, 0.0, 0.0, q0, q1).specialize(), qf.I)
    assert isinstance(qf.Can(0.213, 0.0, 0.0, q0, q1).specialize(), qf.XX)
    assert isinstance(qf.Can(0.0, 0.213, 0.0, q0, q1).specialize(), qf.YY)
    assert isinstance(qf.Can(0.0, 0.0, 0.213, q0, q1).specialize(), qf.ZZ)
    assert isinstance(
        qf.Can(0.213, 0.213, 0.213, q0, q1).specialize(), qf.Exch)
    assert isinstance(qf.Can(0.5, 0.32, 0.213, q0, q1).specialize(), qf.Can)

    assert isinstance(qf.CNotPow(0.2, q0, q1).specialize(), qf.CNotPow)
    assert isinstance(qf.CNotPow(0.0, q0, q1).specialize(), qf.I)
    assert isinstance(qf.CNotPow(1.0, q0, q1).specialize(), qf.CNot)

    assert isinstance(qf.XX(0.0, q0, q1).specialize(), qf.I)
    assert isinstance(qf.YY(0.0, q0, q1).specialize(), qf.I)
    assert isinstance(qf.ZZ(0.0, q0, q1).specialize(), qf.I)
    assert isinstance(qf.Exch(0.0, q0, q1).specialize(), qf.I)
def test_visualize_circuit() -> None:
    circ = qf.Circuit()

    circ += qf.I(7)
    circ += qf.X(0)
    circ += qf.Y(1)
    circ += qf.Z(2)
    circ += qf.H(3)
    circ += qf.S(4)
    circ += qf.T(5)
    circ += qf.S_H(6)
    circ += qf.T_H(7)

    circ += qf.Rx(-0.5 * pi, 0)
    circ += qf.Ry(0.5 * pi, 4)
    circ += qf.Rz((1 / 3) * pi, 5)
    circ += qf.Ry(0.222, 6)

    circ += qf.XPow(0.5, 0)
    circ += qf.YPow(0.5, 2)
    circ += qf.ZPow(0.4, 2)
    circ += qf.HPow(0.5, 3)
    circ += qf.ZPow(0.47276, 1)

    # Gate with symbolic parameter
    #  gate = qf.Rz(Symbol('\\theta'), 1)
    # circ += gate

    circ += qf.CNot(1, 2)
    circ += qf.CNot(2, 1)
    # circ += qf.IDEN(*range(8))
    circ += qf.ISwap(4, 2)
    circ += qf.ISwap(6, 5)
    circ += qf.CZ(1, 3)
    circ += qf.Swap(1, 5)

    # circ += qf.Barrier(0, 1, 2, 3, 4, 5, 6)  # Not yet supported in latex

    circ += qf.CCNot(1, 2, 3)
    circ += qf.CSwap(4, 5, 6)

    circ += qf.P0(0)
    circ += qf.P1(1)

    circ += qf.Reset(2)
    circ += qf.Reset(4, 5, 6)

    circ += qf.H(4)

    circ += qf.XX(0.25, 1, 4)
    circ += qf.XX(0.25, 1, 2)
    circ += qf.YY(0.75, 1, 3)
    circ += qf.ZZ(1 / 3, 3, 1)

    circ += qf.CPhase(0, 0, 1)
    circ += qf.CPhase(pi * 1 / 2, 0, 4)

    circ += qf.Can(1 / 3, 1 / 2, 1 / 2, 0, 1)
    circ += qf.Can(1 / 3, 1 / 2, 1 / 2, 2, 4)
    circ += qf.Can(1 / 3, 1 / 2, 1 / 2, 6, 5)

    # circ += qf.Measure(0)
    # circ += qf.Measure(1, 1)

    circ += qf.PSwap(pi / 2, 6, 7)

    circ += qf.Ph(1 / 4, 7)

    circ += qf.CH(1, 6)

    circ += qf.visualization.NoWire([0, 1, 2])
    # circ += qf.visualization.NoWire(4, 1, 2)

    if os.environ.get("QF_VIZTEST"):
        print()
        print(qf.circuit_to_diagram(circ))

    qf.circuit_to_diagram(circ)

    qf.circuit_to_latex(circ)
    qf.circuit_to_latex(circ, package="qcircuit")
    qf.circuit_to_latex(circ, package="quantikz")

    qf.circuit_to_diagram(circ)
    qf.circuit_to_diagram(circ, use_unicode=False)

    latex = qf.circuit_to_latex(circ, package="qcircuit")
    print(latex)
    if os.environ.get("QF_VIZTEST"):
        qf.latex_to_image(latex).show()

    latex = qf.circuit_to_latex(circ, package="quantikz")
    print(latex)

    if os.environ.get("QF_VIZTEST"):
        qf.latex_to_image(latex).show()
Example #10
0
def test_circuit_to_circ_translate() -> None:
    circ0 = qf.Circuit([qf.Can(0.2, 0.3, 0.1, 0, 1)])
    cqc = circuit_to_cirq(circ0, translate=True)
    circ2 = cirq_to_circuit(cqc)
    assert qf.circuits_close(circ0, circ2)
Example #11
0
def test_circuit_to_circ_exception() -> None:
    circ0 = qf.Circuit([qf.Can(0.2, 0.3, 0.1, 0, 1)])
    with pytest.raises(NotImplementedError):
        circuit_to_cirq(circ0)
Example #12
0
def test_fail() -> None:
    with pytest.raises(ValueError):
        circ = qf.Circuit([qf.Can(0.1, 0.2, 0.3, 0, 1)])
        quirk_url(circuit_to_quirk(circ))