Merge remote-tracking branch 'origin/release'

Merge branch 'mr/1863-mpiaij-coo' into 'release'

Consolidated bugfixes for issues #1860, #1863, #1864, #1865, #1866, #1867, #1868

See merge request petsc/petsc!9059

Fix MPI_Comm_rank/size API mixups in helpers (#1865,#1866)

Merge branch 'barry/2025-09-04/deprecate-mpiu-bool' into 'main'

Deprecate MPIU_BOOL which used to be for PETSc's enum Bool but now is just MPI_C_BOOL

See merge request petsc/petsc!8691

Deprecate MPIU_BOOL which used to be for PETSc' enum Bool but now is just MPI_C_BOOL so no longer needs its own name

Merge remote-tracking branch 'origin/release'

Merge branch 'jolivet/minor-housekeeping' into 'release'

Minor housekeeping

See merge request petsc/petsc!7975

Minor housekeeping

Merge branch 'barry/2024-09-02/rebased-fix-conversion-warnings' into 'main'

Compiler finds (and forbid) casts from higher precision integers to lower

See merge request petsc/petsc!7806

Fix MPIU_* routines to always return MPI error codes and thus be usable with PetscCallMPI()

Introduce MPIU_Count to be used when MPI_Count is not available

Change from deprecated PETSC_MAX/MIN_INT to PETSC_INT_MAX/MIN

Commit-type: i.e. error-checking, optimization, bug-fix, portability-fix, testing-fix, style-fix, feature, documentation, example
Funded

Change from deprecated PETSC_MAX/MIN_INT to PETSC_INT_MAX/MIN

Commit-type: i.e. error-checking, optimization, bug-fix, portability-fix, testing-fix, style-fix, feature, documentation, example
Funded-by:
Project:
Time: hours
Reported-by:
Thanks-to:
Development Tools: Vim, Emacs, Eclipse

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Add to CI compilers flags '-Wconversion', '-Wno-sign-conversion', '-Wno-float-conversion', '-Wno-implicit-float-conversion']

Also fix the code to repository to compile cleanly with these flags in th

Add to CI compilers flags '-Wconversion', '-Wno-sign-conversion', '-Wno-float-conversion', '-Wno-implicit-float-conversion']

Also fix the code to repository to compile cleanly with these flags in the CI

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Merge branch 'barry/2024-05-29/minor-fortran-stub-cleanup' into 'main'

More improvements to Fortran stubs and interfaces

See merge request petsc/petsc!7598

This requires some changes to user FORTRAN code

Pass PETSC_NULL_XXX_ARRAY when passing a NULL as an argument that is expecting an array
Pass PETSC_NULL_ENUM when argument returns an enum instead of

This requires some changes to user FORTRAN code

Pass PETSC_NULL_XXX_ARRAY when passing a NULL as an argument that is expecting an array
Pass PETSC_NULL_ENUM when argument returns an enum instead of PETSC_NULL_INTEGER
Pass arrays (and not scalar values) when the argument is expecting an array; this means replace, for example, the argument v with [v]
Use PetscObjectIsNull(obj) to check if the object is NULL, instead of obj == PETSC_NULL_XXX

The compiler will now automatically prevent you from using the wrong argument type for the first three bullets above
This will also require an update sowing with the new sowing branch this MR is using.

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Merge branch 'jolivet/feature-is-sorted' into 'main'

IS: set IS_SORTED to PETSC_TRUE when possible

See merge request petsc/petsc!7605

IS: set IS_SORTED to PETSC_TRUE when possible

Merge branch 'stefanozampini/vecis-collective' into 'main'

VecISXXX: require same communicator between Vecs and IS

See merge request petsc/petsc!7564

VecISXXX: require same communicator between Vecs and IS

this allows to skip operations if the global size of the IS is zero

Merge branch 'jolivet/clang-format-18' into 'main'

clang-format version 18

See merge request petsc/petsc!6902

CI: update to clang-format-18

Merge branch 'jolivet/rm-first-empty-line' into 'main'

Remove first and last empty lines

See merge request petsc/petsc!6892

Remove first and last empty lines

Merge branch 'jolivet/cleanup' into 'main'

Fix more UBSan warnings

See merge request petsc/petsc!6888

Fix more UBSan warnings

Merge branch 'tisaac/feature-type-generic-petsc-valid-pointer' into 'main'

Implement a type generic PetscValidPointer

See merge request petsc/petsc!6693