Commits on Jul 29, 2024

1. Bitarray postselect (#12693) …

   * define BitArray.postselect()
   
   * add test for BitArray.postselect()
   
   * lint
   
   * remove redundant docstring text
   
   * Update qiskit/primitives/containers/bit_array.py
   
   Co-authored-by: Ian Hincks <ian.hincks@gmail.com>
   
   * docstring ticks (BitArray.postselect())
   
   Co-authored-by: Ian Hincks <ian.hincks@gmail.com>
   
   * Simpler tests for BitArray.postselect
   
   * lint
   
   * add release note
   
   * check postselect() arg lengths match
   
   * fix postselect tests
   
   - fix bugs with checking that ValueError is raised.
   - addtionally run all tests on a "flat" data input
   
   * lint
   
   * Fix type-hint
   
   We immediately check the lengths of these args, so they should be Sequences, not Iterables.
   
   * remove spurious print()
   
   * lint
   
   * lint
   
   * use bitwise operations for faster postselect
   
   - Also added support for negative indices
   - Also updated tests
   
   * remove spurious print()
   
   * end final line of release note
   
   * try to fix docstring formatting
   
   * fix bitarray test assertion
   
   Co-authored-by: Takashi Imamichi <31178928+t-imamichi@users.noreply.github.com>
   
   * disallow postselect positional kwarg
   
   Co-authored-by: Takashi Imamichi <31178928+t-imamichi@users.noreply.github.com>
   
   * fix numpy dtype args
   
   * Simpler kwarg: "assume_unique"
   
   * lint (line too long)
   
   * simplification: remove assume_unique kwarg
   
   * improve misleading comment
   
   * raise IndexError if indices out of range
   
   - Change ValueError to IndexError.
   - Add check for out-of-range negative indices.
   - Simplify use of mod
   - Update test conditions (include checks for off-by-one errors)
   
   * lint
   
   * add negative-contradiction test
   
   * Update docstring with IndexErrors
   
   * lint
   
   * change slice_bits error from ValueError to IndexError
   
   * update slice_bits test to use IndexError
   
   * change ValueError to IndexError in slice_shots
   
   also update tests for this error
   
   * update error type in slice_shots docstring
   
   * Revert ValueError to IndexError changes
   
   Reverting these changes as they will instead be made in a separate PR.
   
   This reverts commit 8f32178.
   
   Revert "update error type in slice_shots docstring"
   
   This reverts commit 50545ef.
   
   Revert "change ValueError to IndexError in slice_shots"
   
   This reverts commit c4becd9.
   
   Revert "update slice_bits test to use IndexError"
   
   This reverts commit c2b0039.
   
   * fix docstring formatting
   
   Co-authored-by: Takashi Imamichi <31178928+t-imamichi@users.noreply.github.com>
   
   * allow selection to be int instead of bool
   
   * In tests, give selection as type int
   
   * lint
   
   * add example to release note
   
   * fix typo in test case
   
   * add check of test
   
   Co-authored-by: Takashi Imamichi <31178928+t-imamichi@users.noreply.github.com>
   
   * lint
   
   ---------
   
   Co-authored-by: Ian Hincks <ian.hincks@gmail.com>
   Co-authored-by: Takashi Imamichi <31178928+t-imamichi@users.noreply.github.com>
   (cherry picked from commit 0c03808)

   

   aeddins-ibm authored and mergify[bot] committed Jul 29, 2024
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