def circuit(x, y, z): qml.RX(x, wires=[0]) qml.RZ(y, wires=[0]) qml.CNOT(wires=[0, 1]) qml.RY(y, wires=[0]) qml.RX(z, wires=[0]) return qml.expval(qml.PauliY(0)), qml.expval(qml.PauliZ(1))
def circuit(x, y, z): qml.RX(x, [0]) qml.RZ(y, [0]) qml.CNOT([0, 1]) qml.RY(y, [0]) qml.RX(z, [0]) return qml.expval.PauliY(0), qml.expval.PauliZ(1)
def test_simple_circuits(self): default_qubit = qml.device('default.qubit', wires=4) for dev in self.devices: gates = [ qml.PauliX(wires=0), qml.PauliY(wires=1), qml.PauliZ(wires=2), qml.S(wires=3), qml.T(wires=0), qml.RX(2.3, wires=1), qml.RY(1.3, wires=2), qml.RZ(3.3, wires=3), qml.Hadamard(wires=0), qml.Rot(0.1, 0.2, 0.3, wires=1), qml.CRot(0.1, 0.2, 0.3, wires=[2, 3]), qml.Toffoli(wires=[0, 1, 2]), qml.SWAP(wires=[1, 2]), qml.CSWAP(wires=[1, 2, 3]), qml.U1(1.0, wires=0), qml.U2(1.0, 2.0, wires=2), qml.U3(1.0, 2.0, 3.0, wires=3), qml.CRX(0.1, wires=[1, 2]), qml.CRY(0.2, wires=[2, 3]), qml.CRZ(0.3, wires=[3, 1]), qml.CZ(wires=[2, 3]), qml.QubitUnitary(np.array([[1, 0], [0, 1]]), wires=2), ] layers = 3 np.random.seed(1967) gates_per_layers = [ np.random.permutation(gates).numpy() for _ in range(layers) ] for obs in { qml.PauliX(wires=0), qml.PauliY(wires=0), qml.PauliZ(wires=0), qml.Identity(wires=0), qml.Hadamard(wires=0) }: if obs.name in dev.observables: def circuit(): """4-qubit circuit with layers of randomly selected gates and random connections for multi-qubit gates.""" qml.BasisState(np.array([1, 0, 0, 0]), wires=[0, 1, 2, 3]) for gates in gates_per_layers: for gate in gates: if gate.name in dev.operations: qml.apply(gate) return qml.expval(obs) qnode_default = qml.QNode(circuit, default_qubit) qnode = qml.QNode(circuit, dev) assert np.allclose(qnode(), qnode_default(), atol=1e-3)
def circuit(a, b, c): qml.RX(a, wires=0) qml.RY(b, wires=1) qml.CNOT(wires=[1, 2]) qml.RX(c, wires=2) qml.CNOT(wires=[0, 1]) qml.RZ(c, wires=2) return qml.var(qml.PauliZ(0)), qml.expval(qml.PauliZ(1)), qml.var(qml.PauliZ(2))
def circuit(reused_param, other_param): qml.RX(extra_param, wires=[0]) qml.RY(reused_param, wires=[0]) qml.RZ(other_param, wires=[0]) qml.RX(reused_param, wires=[0]) return qml.expval.PauliZ(0)
def circuit(x): qml.RZ(x, wires=[0]) return qml.expval.PauliZ(0)
def circuit(x, target_observable=None): qml.RX(x[0], wires=0) qml.RY(x[1], wires=0) qml.RZ(x[2], wires=0) qml.CNOT(wires=[0, 1]) return qml.expval(qml.Hermitian(target_observable, wires=[0, 1]))
def qf(x): qml.RX(x, [0]) qml.CNOT([0, 1]) qml.RY(0.4, [0]) qml.RZ(-0.2, [1]) return qml.expval.PauliX(0), qml.expval.PauliZ(1)
def circuit(reused_param, other_param): qml.RX(reused_param, [0]) qml.RZ(other_param, [0]) qml.RX(reused_param, [0]) return qml.expval.PauliZ(0)
def circuit(x, y, z): qml.RZ(z, wires=[0]) qml.RY(y, wires=[0]) qml.RX(x, wires=[0]) qml.CNOT(wires=[0, 1]) return qml.expval.PauliZ(wires=1)
def qf(x): qml.RX(x, wires=[0]) qml.CNOT(wires=[0, 1]) qml.RY(0.4, wires=[0]) qml.RZ(-0.2, wires=[1]) return qml.expval(qml.PauliX(0)), qml.expval(qml.PauliZ(1))