def _add_single_qubit_op_to_circuit(cmd: ProjectQCommand,
circ: Circuit) -> bool:
assert len(cmd.qubits) == 1
assert len(cmd.qubits[0]) == 1
qubit_no = cmd.qubits[0][0].id
new_qubit = False
if get_control_count(cmd) > 0:
raise Exception("singleq gate " + str(cmd.gate) + " has " +
str(get_control_count(cmd)) + " control qubits")
else:
if qubit_no >= circ.n_qubits:
circ.add_blank_wires(1 + qubit_no - circ.n_qubits)
new_qubit = True
if type(cmd.gate) == pqo.MeasureGate:
bit = Bit("c", qubit_no)
if bit not in circ.bits:
circ.add_bit(bit)
circ.Measure(qubit_no, qubit_no)
return new_qubit
elif type(cmd.gate) in (pqo.Rx, pqo.Ry, pqo.Rz):
op = Op.create(_pq_to_tk_singleqs[type(cmd.gate)],
cmd.gate.angle / np.pi)
else:
op = Op.create(_pq_to_tk_singleqs[type(cmd.gate)])
circ.add_gate(Op=op, args=[qubit_no])
return new_qubit
def _add_daggered_op_to_circuit(cmd: ProjectQCommand, circ: Circuit) -> bool:
undaggered_gate = cmd.gate.get_inverse()
if type(undaggered_gate) == pqo.TGate:
op = Op.create(OpType.Tdg)
elif type(undaggered_gate) == pqo.SGate:
op = Op.create(OpType.Sdg)
else:
raise Exception("cannot recognise daggered op of type " +
str(cmd.gate))
qubit_no = cmd.qubits[0][0].id
assert len(cmd.qubits) == 1
assert len(cmd.qubits[0]) == 1
new_qubit = False
if qubit_no >= circ.n_qubits:
circ.add_blank_wires(1 + qubit_no - circ.n_qubits)
new_qubit = True
circ.add_gate(Op=op, args=[qubit_no])
return new_qubit
def _add_multi_qubit_op_to_circuit(cmd: ProjectQCommand,
circ: Circuit) -> list:
assert len(cmd.qubits) > 0
qubs = [qb for qr in cmd.all_qubits for qb in qr]
if get_control_count(cmd) < 1:
raise Exception("multiq gate " + str(cmd.gate) + " has no controls")
else:
new_qubits = []
for q in qubs:
qubit_no = q.id
if qubit_no >= circ.n_qubits:
circ.add_blank_wires(1 + qubit_no - circ.n_qubits)
new_qubits.append(q)
if type(cmd.gate) == pqo.CRz:
op = Op.create(_pq_to_tk_multiqs[type(cmd.gate)],
cmd.gate.angle / np.pi)
else:
op = Op.create(_pq_to_tk_multiqs[type(cmd.gate)])
qubit_nos = [qb.id for qr in cmd.all_qubits for qb in qr]
circ.add_gate(Op=op, args=qubit_nos)
return new_qubits
