C贸digo fuente para qiskit.converters.dagdependency_to_dag

# This code is part of Qiskit.
# (C) Copyright IBM 2020.
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

"""Helper function for converting a dag dependency to a dag circuit"""
from qiskit.dagcircuit.dagcircuit import DAGCircuit

[documentos]def dagdependency_to_dag(dagdependency): """Build a ``DAGCircuit`` object from a ``DAGDependency``. Args: dag dependency (DAGDependency): the input dag. Return: DAGCircuit: the DAG representing the input circuit. """ dagcircuit = DAGCircuit() dagcircuit.name = dagdependency.name dagcircuit.metadata = dagdependency.metadata dagcircuit.add_qubits(dagdependency.qubits) dagcircuit.add_clbits(dagdependency.clbits) for register in dagdependency.qregs.values(): dagcircuit.add_qreg(register) for register in dagdependency.cregs.values(): dagcircuit.add_creg(register) for node in dagdependency.topological_nodes(): # Get arguments for classical control (if any) inst = node.op.copy() dagcircuit.apply_operation_back(inst, node.qargs, node.cargs) # copy metadata dagcircuit.global_phase = dagdependency.global_phase dagcircuit.calibrations = dagdependency.calibrations return dagcircuit