Qiskit / qiskit / 20145282592

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github

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Commit Message

Add Statevector.from_circuit to mirror Operator.from_circuit (#14981)

* Add Statevector.from_circuit method

Fixes #13621

* Update release notes with feature description

* Fix typo in test comments and remove unused import comment

* Address review comments: remove input_state, use from_instruction, add ignore_set_layout

- Removed input_state parameter to simplify interface (per review)
- Changed implementation to use from_instruction instead of Operator.from_circuit to avoid exponential memory scaling (per review)
- Added ignore_set_layout parameter to mirror Operator.from_circuit (per review)
- Added layout extraction logic following Operator.from_circuit pattern
- Layout permutation application needs guidance - structure in place
- Updated tests: removed input_state test, added ignore_layout test
- Temporarily skipped transpilation test pending layout implementation guidance
- Applied black formatting
- Updated docstring with examples

* Implement layout handling for Statevector.from_circuit using NumPy tensor reordering

* Update release notes: remove input_state, add ignore_set_layout parameter

* Remove debug print statements from tests

* Apply black formatting to test_statevector.py

* Fix: Remove callable() check and parentheses from final_index_layout

* Fix: Add pylint disable for false positive on final_index_layout() call

* fix(statevector): use final_index_layout for correct qubit order

* Update qiskit/quantum_info/states/statevector.py

Co-authored-by: Julien Gacon <gaconju@gmail.com>

* Update qiskit/quantum_info/states/statevector.py

Co-authored-by: Julien Gacon <gaconju@gmail.com>

* Update qiskit/quantum_info/states/statevector.py

Co-authored-by: Julien Gacon <gaconju@gmail.com>

* Update test/python/quantum_info/states/test_statevector.py

Co-authored-by: Julien Gacon <gaconju@gmail.com>

* Update Statevector.from_circuit transpilation test docstring

---------

Co-authored-by: Julien Gacon <gaconju@gmail.com>

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