def test_parametric_gates1():
    for _ in range(REPS):
        theta = random.uniform(-4 * pi, +4 * pi)
        assert qf.almost_unitary(qf.RX(theta))
        assert qf.almost_unitary(qf.RY(theta))
        assert qf.almost_unitary(qf.RZ(theta))

    for _ in range(REPS):
        theta = random.uniform(-4 * pi, +4 * pi)
        assert qf.almost_unitary(qf.TX(theta))
        assert qf.almost_unitary(qf.TY(theta))
        assert qf.almost_unitary(qf.TZ(theta))

    for _ in range(REPS):
        theta = random.uniform(-4 * pi, +4 * pi)
        assert qf.almost_unitary(qf.CPHASE00(theta))
        assert qf.almost_unitary(qf.CPHASE01(theta))
        assert qf.almost_unitary(qf.CPHASE10(theta))
        assert qf.almost_unitary(qf.CPHASE(theta))
        assert qf.almost_unitary(qf.PSWAP(theta))

    assert qf.gates_close(qf.I(), qf.I())
    assert qf.gates_close(qf.RX(pi), qf.X())
    assert qf.gates_close(qf.RY(pi), qf.Y())
    assert qf.gates_close(qf.RZ(pi), qf.Z())
def test_cphase_gates():
    for _ in range(REPS):
        theta = random.uniform(-4 * pi, +4 * pi)

        gate11 = qf.control_gate(0, qf.PHASE(theta, 1))
        assert qf.gates_close(gate11, qf.CPHASE(theta, 0, 1))

        gate01 = qf.conditional_gate(0, qf.PHASE(theta, 1), qf.I(1))
        assert qf.gates_close(gate01, qf.CPHASE01(theta))

        gate00 = qf.identity_gate(2)
        gate00 = qf.X(0) @ gate00
        gate00 = qf.X(1) @ gate00
        gate00 = gate11 @ gate00
        gate00 = qf.X(0) @ gate00
        gate00 = qf.X(1) @ gate00
        assert qf.gates_close(gate00, qf.CPHASE00(theta))

        gate10 = qf.identity_gate(2)
        gate10 = qf.X(0) @ gate10
        gate10 = qf.X(1) @ gate10
        gate10 = gate01 @ gate10
        gate10 = qf.X(0) @ gate10
        gate10 = qf.X(1) @ gate10
        assert qf.gates_close(gate10, qf.CPHASE10(theta))
Exemple #3
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def test_defgate_param():
    prog = qf.parse_quil(CP)
    # ket0 = prog.compile()
    # qf.print_state(ket0)
    ket1 = prog.run()
    qf.print_state(ket1)

    ket = qf.zero_state(2)
    ket = qf.X(0).run(ket)
    ket = qf.X(1).run(ket)
    ket = qf.CPHASE(1.0, 0, 1).run(ket)
    qf.print_state(ket)

    assert qf.states_close(ket1, ket)
def test_gatepow():
    gates = [
        qf.I(),
        qf.X(),
        qf.Y(),
        qf.Z(),
        qf.H(),
        qf.S(),
        qf.T(),
        qf.PHASE(0.1),
        qf.RX(0.2),
        qf.RY(0.3),
        qf.RZ(0.4),
        qf.CZ(),
        qf.CNOT(),
        qf.SWAP(),
        qf.ISWAP(),
        qf.CPHASE00(0.5),
        qf.CPHASE01(0.6),
        qf.CPHASE10(0.6),
        qf.CPHASE(0.7),
        qf.PSWAP(0.15),
        qf.CCNOT(),
        qf.CSWAP(),
        qf.TX(2.7),
        qf.TY(1.2),
        qf.TZ(0.3),
        qf.ZYZ(3.5, 0.9, 2.1),
        qf.CANONICAL(0.1, 0.2, 7.4),
        qf.XX(1.8),
        qf.YY(0.9),
        qf.ZZ(0.45),
        qf.PISWAP(0.2),
        qf.EXCH(0.1),
        qf.TH(0.3)
    ]

    for gate in gates:
        assert qf.gates_close(gate.H, gate**-1)

    for gate in gates:
        sqrt_gate = gate**(1 / 2)
        two_gate = sqrt_gate @ sqrt_gate
        assert qf.gates_close(gate, two_gate)

    for gate in gates:
        gate0 = gate**0.3
        gate1 = gate**0.7
        gate2 = gate0 @ gate1
        assert qf.gates_close(gate, gate2)

    for K in range(1, 5):
        gate = qf.random_gate(K)  # FIXME: Throw error on K=0
        sqrt_gate = gate**0.5
        two_gate = sqrt_gate @ sqrt_gate
        assert qf.gates_close(gate, two_gate)

    for gate in gates:
        rgate = qf.Gate((gate**0.5).tensor)
        tgate = rgate @ rgate
        assert qf.gates_close(gate, tgate)
Exemple #5
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def test_gates_to_latex():
    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.TX(0.5, 0)
    circ += qf.TY(0.5, 2)
    circ += qf.TZ(0.4, 2)
    circ += qf.TH(0.5, 3)
    circ += qf.TZ(0.47276, 1)
    # Gate with cunning hack
    gate = qf.RZ(0.4, 1)
    gate.params['theta'] = qf.Parameter('\\theta')
    circ += gate

    circ += qf.CNOT(1, 2)
    circ += qf.CNOT(2, 1)
    circ += qf.I(*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

    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.Reset()    # FIXME. Should fail with clear error message

    circ += qf.XX(0.25, 1, 3)
    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, 5, 6)
    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.PSWAP(pi/2, 6, 7)

    qf.circuit_to_latex(circ)