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Source code for qiskit.transpiler.passes.utils.check_cx_direction

# This code is part of Qiskit.
#
# (C) Copyright IBM 2017, 2018.
#
# 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.

"""Check if the CNOTs follow the right direction with respect to the coupling map.."""

import warnings
from qiskit.transpiler.passes.utils.check_gate_direction import CheckGateDirection


[docs]class CheckCXDirection(CheckGateDirection): """Deprecated: use :class:`qiskit.transpiler.passes.CheckGateDirection` pass instead.""" def __init__(self, coupling_map): super().__init__(coupling_map) warnings.warn( "The CheckCXDirection pass has been deprecated " "and replaced by a more generic CheckGateDirection pass.", DeprecationWarning, stacklevel=2, )