def test_empty(self) -> None:
circuit = Circuit(1)
assert circuit.get_num_params() == 0
circuit = Circuit(4)
assert circuit.get_num_params() == 0
circuit = Circuit(4, [2, 3, 4, 5])
assert circuit.get_num_params() == 0
def test_inserting_gate(self) -> None:
circuit = Circuit(1)
assert circuit.get_num_params() == 0
circuit.insert_gate(0, U3Gate(), [0])
assert circuit.get_num_params() == 3
circuit.insert_gate(0, U3Gate(), [0])
assert circuit.get_num_params() == 6
circuit.insert_gate(0, U3Gate(), [0])
assert circuit.get_num_params() == 9
def test_adding_gate(self) -> None:
circuit = Circuit(1)
assert circuit.get_num_params() == 0
circuit.append_gate(U3Gate(), [0])
assert circuit.get_num_params() == 3
circuit.append_gate(U3Gate(), [0])
assert circuit.get_num_params() == 6
circuit.append_gate(U3Gate(), [0])
assert circuit.get_num_params() == 9
def test_r1(self, r3_qubit_circuit: Circuit) -> None:
start = r3_qubit_circuit.get_num_params()
r3_qubit_circuit.append_gate(U3Gate(), [0])
assert r3_qubit_circuit.get_num_params() == start + 3
r3_qubit_circuit.insert_gate(0, U3Gate(), [1])
assert r3_qubit_circuit.get_num_params() == start + 6
r3_qubit_circuit.insert_gate(0, CNOTGate(), [0, 2])
assert r3_qubit_circuit.get_num_params() == start + 6
r3_qubit_circuit.remove(U3Gate())
assert r3_qubit_circuit.get_num_params() == start + 3
def test_removing_gate(self) -> None:
circuit = Circuit(1)
circuit.append_gate(U3Gate(), [0])
circuit.append_gate(U3Gate(), [0])
circuit.append_gate(U3Gate(), [0])
assert circuit.get_num_params() == 9
circuit.remove(U3Gate())
assert circuit.get_num_params() == 6
circuit.remove(U3Gate())
assert circuit.get_num_params() == 3
circuit.remove(U3Gate())
assert circuit.get_num_params() == 0
def test_freezing_param(self) -> None:
circuit = Circuit(1)
circuit.append_gate(U3Gate(), [0])
circuit.append_gate(U3Gate(), [0])
circuit.append_gate(U3Gate(), [0])
assert circuit.get_num_params() == 9
circuit.freeze_param(0)
assert circuit.get_num_params() == 8
circuit.freeze_param(0)
assert circuit.get_num_params() == 7
circuit.freeze_param(0)
assert circuit.get_num_params() == 6
circuit.freeze_param(0)
def test_hilbert_schmidt_residuals(r3_qubit_circuit: Circuit) -> None:
x0 = np.random.random((r3_qubit_circuit.get_num_params(), ))
cost = HilbertSchmidtResidualsGenerator().gen_cost(
r3_qubit_circuit,
r3_qubit_circuit.get_unitary(x0),
)
assert cost.get_cost(x0) < 1e-10
def test_2_gate(self) -> None:
g1 = VariableUnitaryGate(2)
g2 = VariableUnitaryGate(3)
g3 = RXGate()
circuit = Circuit(4)
circuit.append_gate(g1, [0, 1])
circuit.append_gate(g2, [1, 2, 3])
circuit.append_gate(g3, [1])
utry = circuit.get_unitary(np.random.random(circuit.get_num_params()))
params = QFactor().instantiate(circuit, utry, circuit.get_params())
circuit.set_params(params)
assert np.allclose(
circuit.get_unitary().get_numpy(),
utry.get_numpy(),
)
def gen_starting_points(
self,
multistarts: int,
circuit: Circuit,
target: UnitaryMatrix | StateVector,
) -> list[np.ndarray]:
"""
Generate `multistarts` starting points for instantiation.
Args:
multistarts (int): The number of starting points to generate.
circuit (Circuit): The circuit to generate the points for.
target (UnitaryMatrix | StateVector): The target.
Return:
(list[np.ndarray]): List of starting inputs for instantiation.
Raises:
ValueError: If `multistarts` is not a positive integer.
"""
if not is_integer(multistarts):
raise TypeError(
'Expected int for multistarts, got %s.' % type(multistarts),
)
if multistarts <= 0:
raise ValueError(
'Expected positive integer for multistarts'
', got %d' % multistarts,
)
return [ # [ circuit.get_params() ] + [ # TODO: re-evaluate
np.random.random(circuit.get_num_params())
for i in range(multistarts)
]
def test_count(self, r6_qudit_circuit: Circuit) -> None:
num_params = r6_qudit_circuit.get_num_params()
params = r6_qudit_circuit.get_params()
assert len(params) == num_params
def test_get_num_params(self, simple_circuit: Circuit) -> None:
assert simple_circuit.get_num_params() == 0
def test_value(self, r6_qudit_circuit: Circuit) -> None:
assert r6_qudit_circuit.get_num_params() >= 0
def test_type(self, r6_qudit_circuit: Circuit) -> None:
assert isinstance(r6_qudit_circuit.get_num_params(), int)
def test_get_num_params(self, toffoli_circuit: Circuit) -> None:
assert toffoli_circuit.get_num_params() == 0
def test_gradients_native(r3_qubit_circuit: Circuit) -> None:
circ = Circ(r3_qubit_circuit)
check_gradient(circ, r3_qubit_circuit.get_num_params())
def test_gradients(r3_qubit_circuit: Circuit) -> None:
check_gradient(r3_qubit_circuit, r3_qubit_circuit.get_num_params())
