def test_init_errors():
line = cirq.devices.LineQubit.range(3)
with pytest.raises(TypeError, match="Unsupported qubit type"):
PasqalDevice(qubits=line)
with pytest.raises(ValueError, match="Too many qubits"):
generic_device(101)
with pytest.raises(TypeError, match="Unsupported qubit type"):
PasqalVirtualDevice(control_radius=1.0, qubits=[cirq.NamedQubit('q0')])
with pytest.raises(TypeError, match="All qubits must be of same type."):
PasqalVirtualDevice(control_radius=1.0,
qubits=[TwoDQubit(0, 0),
cirq.GridQubit(1, 0)])
with pytest.raises(
ValueError,
match="Control_radius needs to be a non-negative float"):
square_virtual_device(control_r=-1.0, num_qubits=2)
with pytest.raises(
ValueError,
match="Control_radius cannot be larger than "
"3 times the minimal distance between qubits.",
):
square_virtual_device(control_r=11.0, num_qubits=2)
def test_value_equal():
dev = PasqalDevice(qubits=[cirq.NamedQubit('q1')])
assert PasqalDevice(qubits=[cirq.NamedQubit('q1')]) == dev
dev = PasqalVirtualDevice(control_radius=1.0, qubits=[TwoDQubit(0, 0)])
assert PasqalVirtualDevice(control_radius=1.0,
qubits=[TwoDQubit(0, 0)]) == dev
def test_decompose_operation():
d = generic_device(3)
for op in d.decompose_operation((cirq.CCZ**1.5).on(*(d.qubit_list()))):
d.validate_operation(op)
p_qubits = [cirq.LineQubit(3), cirq.LineQubit(4)]
d = PasqalVirtualDevice(1.0, p_qubits)
op = (cirq.ops.CNOT).on(*(d.qubit_list()))**2
assert d.decompose_operation(op) == []
def test_to_json():
dev = PasqalDevice(qubits=[cirq.NamedQubit('q4')])
d = dev._json_dict_()
assert d == {
"cirq_type": "PasqalDevice",
"qubits": [cirq.NamedQubit('q4')]
}
vdev = PasqalVirtualDevice(control_radius=2, qubits=[TwoDQubit(0, 0)])
d = vdev._json_dict_()
assert d == {
"cirq_type": "PasqalVirtualDevice",
"control_radius": 2,
"qubits": [cirq.pasqal.TwoDQubit(0, 0)],
}
def test_repr():
assert repr(generic_device(1)) == (
"pasqal.PasqalDevice(qubits=[cirq.NamedQubit('q0')])")
dev = PasqalVirtualDevice(control_radius=1.0, qubits=[TwoDQubit(0, 0)])
assert repr(dev) == (
"pasqal.PasqalVirtualDevice(control_radius=1.0, qubits=[pasqal.TwoDQubit(0, 0)])"
)
def test_distance():
dev = square_virtual_device(control_r=1., num_qubits=2)
with pytest.raises(ValueError, match="Qubit not part of the device."):
dev.distance(TwoDQubit(0, 0), TwoDQubit(2, 2))
assert np.isclose(dev.distance(TwoDQubit(0, 0), TwoDQubit(1, 0)), 1.)
dev = PasqalVirtualDevice(control_radius=1.,
qubits=[cirq.LineQubit(0),
cirq.LineQubit(1)])
assert np.isclose(dev.distance(cirq.LineQubit(0), cirq.LineQubit(1)), 1.)
dev = PasqalVirtualDevice(
control_radius=1., qubits=[cirq.GridQubit(0, 0),
cirq.GridQubit(1, 0)])
assert np.isclose(dev.distance(cirq.GridQubit(0, 0), cirq.GridQubit(1, 0)),
1.)
def test_qid_pairs():
dev = PasqalVirtualDevice(
1,
qubits=[
ThreeDQubit(0, 0, 0),
ThreeDQubit(1, 0, 0),
ThreeDQubit(0, 1, 0),
ThreeDQubit(1, 1, 0),
ThreeDQubit(1, 1, 1),
],
)
assert len(dev.qid_pairs()) == 5
dev1 = PasqalVirtualDevice(
5,
qubits=[
TwoDQubit(0, 0),
TwoDQubit(3, 2),
TwoDQubit(3, 4),
TwoDQubit(3, 6),
],
)
assert len(dev1.qid_pairs()) == 5
def square_virtual_device(control_r, num_qubits) -> PasqalVirtualDevice:
return PasqalVirtualDevice(control_radius=control_r,
qubits=TwoDQubit.square(num_qubits))