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(x):
"""Test quantum function"""
qml.RX(x, wires=0)
return qml.expval(qml.Identity(0))
def circuit(x):
"""Test quantum function"""
qml.Displacement(x, 0, wires=0)
return qml.expval(qml.Identity(0))