σ Σz iŒγσ:•SrSSKJr SSKJrJr "SS\5rg)zURearrange the direction of the 2-qubit gate nodes to match the directed coupling map.ι)ΪTransformationPass)Ϊfix_gate_direction_couplingΪfix_gate_direction_targetcσ6^•\rSrSrSrSU4SjjrSrSrU=r$)Ϊ GateDirectionιuLModify asymmetric gates to match the hardware coupling direction. This pass supports replacements for the `cx`, `cz`, `ecr`, `swap`, `rzx`, `rxx`, `ryy` and `rzz` gates, using the following identities:: β”Œβ”€β”€β”€β”β”Œβ”€β”€β”€β”β”Œβ”€β”€β”€β” q_0: ──■── q_0: ─ H β”œβ”€ X β”œβ”€ H β”œ β”Œβ”€β”΄β”€β” = β”œβ”€β”€β”€β”€β””β”€β”¬β”€β”˜β”œβ”€β”€β”€β”€ q_1: ─ X β”œ q_1: ─ H β”œβ”€β”€β– β”€β”€β”€ H β”œ β””β”€β”€β”€β”˜ β””β”€β”€β”€β”˜ β””β”€β”€β”€β”˜ global phase: 3Ο€/2 β”Œβ”€β”€β”€β”€β”€β”€β” β”Œβ”€β”€β”€β” β”Œβ”€β”€β”€β”€β”β”Œβ”€β”€β”€β”€β”€β”β”Œβ”€β”€β”€β”€β”€β”€β”β”Œβ”€β”€β”€β” q_0: ─0 β”œ q_0: ── S β”œβ”€β”€ √X β”œβ”€ Sdg β”œβ”€1 β”œβ”€ H β”œ β”‚ ECR β”‚ = β”Œβ”΄β”€β”€β”€β”΄β”β”œβ”€β”€β”€β”€β”€β””β”¬β”€β”€β”€β”¬β”˜β”‚ Ecr β”‚β”œβ”€β”€β”€β”€ q_1: ─1 β”œ q_1: ─ Sdg β”œβ”€ √X β”œβ”€β”€ S β”œβ”€β”€0 β”œβ”€ H β”œ β””β”€β”€β”€β”€β”€β”€β”˜ β””β”€β”€β”€β”€β”€β”˜β””β”€β”€β”€β”€β”˜ β””β”€β”€β”€β”˜ β””β”€β”€β”€β”€β”€β”€β”˜β””β”€β”€β”€β”˜ Note: This is done in terms of less-efficient S/SX/Sdg gates instead of the more natural `RY(pi /2)` so we have a chance for basis translation to keep things in a discrete basis during resynthesis, if that's what's being asked for. β”Œβ”€β”€β”€β”€β”€β”€β” β”Œβ”€β”€β”€β”β”Œβ”€β”€β”€β”€β”€β”€β”β”Œβ”€β”€β”€β” q_0: ─0 β”œ q_0: ─ H β”œβ”€1 β”œβ”€ H β”œ β”‚ RZX β”‚ = β”œβ”€β”€β”€β”€β”‚ RZX β”‚β”œβ”€β”€β”€β”€ q_1: ─1 β”œ q_1: ─ H β”œβ”€0 β”œβ”€ H β”œ β””β”€β”€β”€β”€β”€β”€β”˜ β””β”€β”€β”€β”˜β””β”€β”€β”€β”€β”€β”€β”˜β””β”€β”€β”€β”˜ cz, swap, rxx, ryy and rzz directions are fixed by reversing their qargs order. This pass assumes that the positions of the qubits in the :attr:`.DAGCircuit.qubits` attribute are the physical qubit indices. For example if ``dag.qubits[0]`` is qubit 0 in the :class:`.CouplingMap` or :class:`.Target`. cσ:>•[TU]5 XlX lg)zξGateDirection pass. Args: coupling_map (CouplingMap): Directed graph representing a coupling map. target (Target): The backend target to use for this pass. If this is specified it will be used instead of the coupling map N)ΪsuperΪ__init__Ϊ coupling_mapΪtarget)Ϊselfr r Ϊ __class__s €Ϊg/home/james-whalen/.local/lib/python3.13/site-packages/qiskit/transpiler/passes/utils/gate_direction.pyr ΪGateDirection.__init__8sψ€τ ‰ΡΤΨ(Τ؍ σcσh•URc/[U[URR 555 U$[ URR 5S:Xa=[U[URR5R 555 U$[XR5 U$)aERun the GateDirection pass on `dag`. Flips the cx nodes to match the directed coupling map. Modifies the input dag. Args: dag (DAGCircuit): DAG to map. Returns: DAGCircuit: The rearranged dag for the coupling map Raises: TranspilerError: If the circuit cannot be mapped just by flipping the cx nodes. r) r rΪsetr Ϊ get_edgesΪlenΪoperation_namesΪbuild_coupling_mapr)rΪdags rΪrunΪGateDirection.runDs‹€π$ ;‰;Ρ ά '¨¬S°Χ1BΡ1BΧ1LΡ1LΣ1NΣ-OΤ Pπˆ τ —‘Χ,Ρ,Σ -°Σ 2δ '¨¬S°·±Χ1OΡ1OΣ1QΧ1[Ρ1[Σ1]Σ-^Τ _πˆ τ & c―;©;Τ 7ΰˆ r)r r )N) Ϊ__name__Ϊ __module__Ϊ __qualname__Ϊ__firstlineno__Ϊ__doc__r rΪ__static_attributes__Ϊ __classcell__)rs@rrrsψ†ρ"χH χπrrN)r Ϊqiskit.transpiler.basepassesrΪ!qiskit._accelerate.gate_directionrrr©rrΪr&s πρ\ε;ίdτKΠ&υKr