Update MPI routines to account for changes in mpi#88

Open

Thoemi09 wants to merge 6 commits intoTRIQS:unstablefrom Thoemi09:DEV_MPI

Commits on Mar 1, 2025

Remove unnecessary helper function in mpi/reduce.hpp
Thoemi09
committed

Commits on Mar 3, 2025

Perform mpi_reduce_capi in-place in case input and output arrays are the same
Thoemi09
committed

Commits on Mar 21, 2025

Update MPI routines
Thoemi09
committed

Commits on Mar 24, 2025

Commits on Mar 25, 2025

Simplify logic in MPI routines
Thoemi09
committed