def basic_variational_circuit(params, rotations, masked_circuit: MaskedCircuit):
full_parameters = masked_circuit.expanded_parameters(params)
wires = masked_circuit.wires
dropout_mask = masked_circuit.full_mask(DropoutMask)
for wire, _is_masked in enumerate(masked_circuit.mask(Axis.WIRES)):
qml.RY(np.pi / 4, wires=wire)
r = -1
for layer, _is_layer_masked in enumerate(masked_circuit.mask(Axis.LAYERS)):
for wire, _is_wire_masked in enumerate(masked_circuit.mask(Axis.WIRES)):
r += 1
if dropout_mask[layer][wire]:
continue
if rotations[r] == 0:
rotation = qml.RX
elif rotations[r] == 1:
rotation = qml.RY
else:
rotation = qml.RZ
rotation(full_parameters[layer][wire], wires=wire)
for wire in range(0, wires - 1, 2):
if (
Axis.ENTANGLING in masked_circuit.masks
and masked_circuit.mask(Axis.ENTANGLING)[layer, wire]
):
continue
qml.CZ(wires=[wire, wire + 1])
for wire in range(1, wires - 1, 2):
if (
Axis.ENTANGLING in masked_circuit.masks
and masked_circuit.mask(Axis.ENTANGLING)[layer, wire]
):
continue
qml.CZ(wires=[wire, wire + 1])
def variational_circuit(params, masked_circuit: MaskedCircuit = None):
full_parameters = masked_circuit.expanded_parameters(params)
for layer, layer_hidden in enumerate(masked_circuit.mask(Axis.LAYERS)):
if not layer_hidden:
for wire, wire_hidden in enumerate(masked_circuit.mask(Axis.WIRES)):
if not wire_hidden:
if not masked_circuit.mask(Axis.PARAMETERS)[layer][wire][0]:
qml.RX(full_parameters[layer][wire][0], wires=wire)
if not masked_circuit.mask(Axis.PARAMETERS)[layer][wire][1]:
qml.RY(full_parameters[layer][wire][1], wires=wire)
for wire in range(0, masked_circuit.mask(Axis.LAYERS).size - 1, 2):
qml.CZ(wires=[wire, wire + 1])
for wire in range(1, masked_circuit.mask(Axis.LAYERS).size - 1, 2):
qml.CZ(wires=[wire, wire + 1])
return qml.probs(wires=range(len(masked_circuit.mask(Axis.WIRES))))