def test_id(self):
"""Tests that the id attribute can be set."""
template = qml.QAOAEmbedding(np.array([0]),
weights=np.array([[0]]),
wires=[0],
id="a")
assert template.id == "a"
def test_expansion(self, n_wires, weight_shape, expected_names):
"""Checks the queue for the default settings."""
features = list(range(n_wires))
weights = np.zeros(shape=weight_shape)
op = qml.QAOAEmbedding(features, weights, wires=range(n_wires))
tape = op.expand()
for i, gate in enumerate(tape.operations):
assert gate.name == expected_names[i]
def test_local_field(self, local_field):
"""Checks that custom local field is used."""
get_name = {"X": "RX", "Y": "RY", "Z": "RZ"}
features = list(range(2))
weights = np.zeros(shape=(1, 3))
op = qml.QAOAEmbedding(features,
weights,
wires=range(2),
local_field=local_field)
tape = op.expand()
gate_names = [gate.name for gate in tape.operations]
assert gate_names[3] == get_name[local_field]
assert gate_names[4] == get_name[local_field]
def circuit(x=None):
qml.QAOAEmbedding(features=x,
weights=weights,
wires=range(n_wires),
local_field="A")
return [qml.expval(qml.PauliZ(i)) for i in range(n_wires)]
def circuit_template(features, weights):
qml.QAOAEmbedding(features, weights, range(2))
return qml.expval(qml.PauliZ(0))
def circuit():
qml.QAOAEmbedding(features, weights, wires=range(n_wires))
return qml.expval(qml.PauliZ(0))
def circuit2():
qml.QAOAEmbedding(features, weights, wires=["z", "a", "k"])
return qml.expval(qml.Identity("z"))
def circuit():
qml.QAOAEmbedding(features, weights, wires=range(3))
return qml.expval(qml.Identity(0))
def circuit(x=None):
qml.QAOAEmbedding(features=x, weights=weights, wires=range(2))
return [qml.expval(qml.PauliZ(i)) for i in range(2)]