def test_id(self):
"""Tests that the id attribute can be set."""
template = qml.ArbitraryStatePreparation(np.random.random(size=(2**4 -
2)),
wires=[0, 1, 2],
id="a")
assert template.id == "a"
def test_correct_gates_single_wire(self):
"""Test that the correct gates are applied on a single wire."""
weights = np.array([0, 1], dtype=float)
op = qml.ArbitraryStatePreparation(weights, wires=[0])
queue = op.expand().operations
assert queue[0].name == "PauliRot"
assert queue[0].data[0] == weights[0]
assert queue[0].data[1] == "X"
assert queue[0].wires.labels == (0, )
assert queue[1].name == "PauliRot"
assert queue[1].data[0] == weights[1]
assert queue[1].data[1] == "Y"
assert queue[1].wires.labels == (0, )
def test_correct_gates_two_wires(self):
"""Test that the correct gates are applied on on two wires."""
weights = np.array([0, 1, 2, 3, 4, 5], dtype=float)
op = qml.ArbitraryStatePreparation(weights, wires=[0, 1])
queue = op.expand().operations
assert queue[0].name == "PauliRot"
assert queue[0].data[0] == weights[0]
assert queue[0].data[1] == "XI"
assert queue[0].wires.labels == (0, 1)
assert queue[1].name == "PauliRot"
assert queue[1].data[0] == weights[1]
assert queue[1].data[1] == "YI"
assert queue[1].wires.labels == (0, 1)
assert queue[2].name == "PauliRot"
assert queue[2].data[0] == weights[2]
assert queue[2].data[1] == "IX"
assert queue[2].wires.labels == (0, 1)
assert queue[3].name == "PauliRot"
assert queue[3].data[0] == weights[3]
assert queue[3].data[1] == "IY"
assert queue[3].wires.labels == (0, 1)
assert queue[4].name == "PauliRot"
assert queue[4].data[0] == weights[4]
assert queue[4].data[1] == "XX"
assert queue[4].wires.labels == (0, 1)
assert queue[5].name == "PauliRot"
assert queue[5].data[0] == weights[5]
assert queue[5].data[1] == "XY"
assert queue[5].wires.labels == (0, 1)
def circuit_template(weights):
qml.ArbitraryStatePreparation(weights, range(2))
return qml.expval(qml.PauliZ(0))
def circuit(weights):
qml.ArbitraryStatePreparation(weights, wires=range(3))
return qml.expval(qml.PauliZ(0))
def circuit2():
qml.ArbitraryStatePreparation(weights, wires=["z", "a", "k"])
return qml.expval(qml.Identity("z"))
def circuit():
qml.ArbitraryStatePreparation(weights, wires=range(3))
return qml.expval(qml.Identity(0))
def circuit(weights):
qml.ArbitraryStatePreparation(weights, [0, 1, 2])
return qml.expval(qml.PauliZ(0))