Merge branch 'barry/2026-01-13/ftn-generation-for-context-functions' into 'main'

Fortran generation of interface definitions for functions that take and return context variables (void *ctx and PetC

Merge branch 'barry/2026-01-13/ftn-generation-for-context-functions' into 'main'

Fortran generation of interface definitions for functions that take and return context variables (void *ctx and PetCtx ctx)

See merge request petsc/petsc!8956

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Add automatic generated fortran support for setting and returning contexts

Major cleanup of the code for setting and returning application (previously called user) contexts
- PetscCtx ctx is now t

Add automatic generated fortran support for setting and returning contexts

Major cleanup of the code for setting and returning application (previously called user) contexts
- PetscCtx ctx is now the standard for passing in contexts
- PetscCtxRt ctx is the standard for passing out contexts, including context destroy routines based on PetscCtxDestroyFn

Both of these are typedef to void*

Also removed most use of user and userctx for context arguments now consistently named ctx

Improved documentation on PetscCtx and PetscCtxRt and on how to use contexts (including getting them) from Fortran

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Merge remote-tracking branch 'origin/release'

Merge branch 'thrust' into 'release'

Fix builds against CUDA 13.1

See merge request petsc/petsc!8890

Fix builds against CUDA 13.1

- Fix usage of deprecated thrust:: APIs in CCCL 3.1
- Explicitly include "thrust/copy.h" to fix builds w/ CUDA 13.1
- configure: use SuperLU_DIST 9.2.1 for CUDA 13.1
- C

Fix builds against CUDA 13.1

- Fix usage of deprecated thrust:: APIs in CCCL 3.1
- Explicitly include "thrust/copy.h" to fix builds w/ CUDA 13.1
- configure: use SuperLU_DIST 9.2.1 for CUDA 13.1
- CI: update linux-cuda-latest to test with CUDA 13.1

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Merge branch 'release'

Merge branch 'jolivet/fix-unnecessary-reduce' into 'main'

Mat: set appropriate NO_OFF_PROC_ENTRIES to bypass MPI_Allreduce()

See merge request petsc/petsc!8872

MatAssemblyEnd(): fix missing space in -info

Merge branch 'jolivet/typos' into 'release'

Fix typos

See merge request petsc/petsc!8868

Fix typos

Merge branch 'barry/2025-10-18/optimize-aij-ops' into 'main'

Refactor handling of diagonal marking in *AIJ and SELL matrices

See merge request petsc/petsc!8797

- Replace MatMissingDiagonal() and MatMarkDiagonals_SeqXXX() with MatGetDiagonalMarkers_SeqXXX()

- Mat_SeqXXX->diag is not automatically created during MatAssemblyEnd() saving memory and time

- Replace MatMissingDiagonal() and MatMarkDiagonals_SeqXXX() with MatGetDiagonalMarkers_SeqXXX()

- Mat_SeqXXX->diag is not automatically created during MatAssemblyEnd() saving memory and time

- Accessing Mat_SeqXXX->diag now requires the use of MatGetDiagonalMarkers_SeqXXX() except when the current values are known to be correct; for example during numerical factorizations and solves

- Mat_SeqXXX->diag is now never shared among matrices; hence the free_diag flag is gone. That was always a risky proposition since any of the owning matrices could chang the values thus making them incorrect for other owners.

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This MR optimize some MAT[SB]AIJ operations related to the diagonal

The longer term goal is to refactor some Mat_SeqXXX non-numeric code to make it easier to also implement it on GPUs. For example,

This MR optimize some MAT[SB]AIJ operations related to the diagonal

The longer term goal is to refactor some Mat_SeqXXX non-numeric code to make it easier to also implement it on GPUs. For example, MatGetDiagonal() and friends

This commit
- MatMarkDiagonal_SeqAIJ/ELL()
- now use change in mat->nonzerostate to determine if it needs to recheck the diagonal locations
- sets diagDense flag for a complete diagonal
- MatInvertDiagonal_SeqAIJ/ELL()
- now uses change in mat->state to determine if diagonal entries and inverses need to be recomputed
- name changed to MatInvertDiagonalForSOR_SeqAIJ/ELL() for code clarity
- Added MatInvertDiagonal_SeqAIJ_Inode() for use by MatSOR_SeqAIJ_Inode()
- now uses change in mat->state to determine if block diagonal entries and inverses need to be recomputed

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Merge branch 'barry/2025-10-24/fix-dmshellsetdestroyctx' into 'main'

Finish converting the function prototypes of destroy for contexts to use PetscCtxDestroyFn

See merge request petsc/petsc!8810

Change names of Mat_XXX product contexts to MatProductCtx_XXX for code maintainability

Update destroy callback of all MatProductCtx and MatShellSetMatProductOperation() to use PetscCtxDestroyFn

Merge branch 'barry/2025-09-30/add-matgetdiagonal-cuda' into 'main'

Implements MatGetDiagonal for CUDA to take place on device.

See merge request petsc/petsc!8756

Implements MatGetDiagonal for CUDA to take place on device.

Reported-by: Pierre.LEDAC@cea.fr
Thanks-to: Junchao Zhang

Merge remote-tracking branch 'origin/release'

Merge branch 'barry/doc-cusparse' into 'release'

Minor fixes to MATXXXAIJCUSPARSE manual pages

See merge request petsc/petsc!8808

Minor fixes to MATXXXAIJCUSPARSE manual pages

Merge branch 'barry/2025-10-18/optimize-matzeroentries-seqaijcusparse' into 'main'

MatZeroEntries_SeqAIJCUSPARSE() was zeroing both the CPU and GPU array....

See merge request petsc/petsc!8796

MatZeroEntries_SeqAIJCUSPARSE() was zeroing both the CPU and GPU array. Instead just zero the GPU array if it is available, save unneeded CPU operation.

Merge branch 'barry/2025-09-18/fix-etags-cu' into 'main'

fix etag failure

See merge request petsc/petsc!8709

the etags parse got confused by the text Function cxxxx() in a comment in a CU file so remove it

Merge branch 'cuda' into 'main'

Fix CUDA 13 API incompatibilities

See merge request petsc/petsc!8632