CXDirection

class qiskit.transpiler.passes.CXDirection(*args, **kwargs)

Bases : GateDirection

Deprecated: use qiskit.transpiler.passes.GateDirection pass instead.

Obsolète depuis la version 0.21.0: The class qiskit.transpiler.passes.utils.cx_direction.CXDirection is deprecated as of qiskit-terra 0.21.0. It will be removed no earlier than 3 months after the release date. Instead, use the more generic GateDirection pass.

Attributes

is_analysis_pass

Check if the pass is an analysis pass.

If the pass is an AnalysisPass, that means that the pass can analyze the DAG and write the results of that analysis in the property set. Modifications on the DAG are not allowed by this kind of pass.

is_transformation_pass

Check if the pass is a transformation pass.

If the pass is a TransformationPass, that means that the pass can manipulate the DAG, but cannot modify the property set (but it can be read).

Methods

name()

Return the name of the pass.

run(dag)

Run the GateDirection pass on dag.

Flips the cx nodes to match the directed coupling map. Modifies the input dag.

Paramètres:

dag (DAGCircuit) – DAG to map.

Renvoie:

The rearranged dag for the coupling map

Type renvoyé:

DAGCircuit

Lève:

TranspilerError – If the circuit cannot be mapped just by flipping the cx nodes.