Qiskit / qiskit / 17143354507

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Commit Message

Add SabreLayout to the C API (#14711)

* Add SabreLayout to the C API

This commit adds a standalone transpiler pass function to the C API for
running the SabreLayout transpiler pass. This function returns a
new result type QkSabreLayoutResult that contains the output circuit
along with the layouts from running the pass.

Fixes #14449

* Improve testing

* Fix tests

* Fix docs

* Finish API docs for standalone function

* Pivot interface to use TranspileLayout

This commit reworks the C interface for sabre layout to use
TranspileLayout for the return type remove the Sabre result type. It was
largely duplicative and it's better to just use the same interface.

* Remove stale references to QkSabreLayoutResult in docs

* Fix test memory leaks

* Make input to pass function an options struct

* Set number of input qubits correctly in output layout

* Move helper functions to common.c

* Use a stack variable instructions in compare_circuits()

* Fix output_permutation in the return

* Apply suggestions from code review

Co-authored-by: Jake Lishman <jake@binhbar.com>

* Update docstring for circuit arg

* Don't use PyErr debug or display

* Add missing newlines to test failure strings

* Update error messages about output permutation test failures

* Correct permutation variable names

* Correct copyright header

---------

Co-authored-by: Jake Lishman <jake@binhbar.com>
Co-authored-by: Jake Lishman <jake.lishman@ibm.com>

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16 existing lines in 3 files now uncovered.

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