Quellcode für qiskit.converters.dagdependency_to_circuit

# 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 circuit"""
from qiskit.circuit import QuantumCircuit, CircuitInstruction

[Doku]def dagdependency_to_circuit(dagdependency): """Build a ``QuantumCircuit`` object from a ``DAGDependency``. Args: dagdependency (DAGDependency): the input dag. Return: QuantumCircuit: the circuit representing the input dag dependency. """ name = dagdependency.name or None circuit = QuantumCircuit( dagdependency.qubits, dagdependency.clbits, *dagdependency.qregs.values(), *dagdependency.cregs.values(), name=name, ) circuit.metadata = dagdependency.metadata circuit.calibrations = dagdependency.calibrations for node in dagdependency.topological_nodes(): circuit._append(CircuitInstruction(node.op.copy(), node.qargs, node.cargs)) return circuit