Commits on Nov 14, 2024

1. Fix process-based non-determinism in SparsePauliOp.to_matrix (#13439) …

   * Fix process-based non-determinism in `SparsePauliOp.to_matrix`
   
   The simplification step of the summed Pauli terms in
   `SparsePauliOp.to_matrix` had introduced a non-determinism via hash-map
   iteration.  In practice, the base hash seed was set per initialisation
   of the extension module, then stayed the same.  This is hard to detect
   from within tests, but caused unexpected numerical behaviour on
   different invocations of the same script.
   
   * Use ahash::RandomState
   
   ---------
   
   Co-authored-by: Kevin Hartman <kevin@hart.mn>
   (cherry picked from commit 74b32c9)

   

   jakelishman authored and mergify[bot] committed Nov 14, 2024
   Configuration menu

   • View commit details
   • Copy full SHA for d76bba4
   • Browse repository at this point

   Copy the full SHA

   d76bba4 View commit details

   Browse the repository at this point in the history