Qiskit / qiskit / 8454814185

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Build Type

push

github

Committed by web-flow

Commit Message

Compose multiple final_layout attributes in routing (#11399)

* Compose multiple final_layout attributes in routing

This commit adds functionality to the built-in routing passes for
composing an existing final layout with the routing permutation. In
PRs #9523 and #11387 we're adding new passes that introduce a
permutation prior to routing that needs to be tracked for the final
output layout to be valid. To faciliate this a new method compose() is
added to the Layout class which will combine the two layouts. Then the
built-in routing passes are updated to call compose when a layout has
already been set.

* adding inverse and to_permutation methods, tests, updating release notes

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Co-authored-by: AlexanderIvrii <alexi@il.ibm.com>

Run Details

27 of 32 new or added lines in 6 files covered. (84.38%)

29 existing lines in 6 files now uncovered.

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