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 branch 'barry/2025-07-30/fix-matshellsetoperationarg' into 'main'

Complete usage of PetscVoidFn and PetscErrorCodeFn and introduce PetscFortranCallbackFn

See merge request petsc/petsc!8615

Change use of void (*)(void) and void (**)(void) in the PETSc API to PetscVoidFn * and PetscVoidFn ** or PetscErrorCodeFn * or PetscErrorCodeFn **

Merge branch 'knepley/fix-bamg' into 'main'

PC: Fix BAMG

See merge request petsc/petsc!8633

SNES ex12: Reactivate BAMG test

Merge branch 'jolivet/rm-explicit-empty-output_file' into 'main'

Remove 535 empty .out and consolidate the use of output/empty.out

See merge request petsc/petsc!8538

Remove explicitly listed empty files and switch to output/empty.out

Merge branch 'jolivet/feature-pchpddm-slepc-thresholds' into 'main'

PCHPDDM: switch to native SLEPc options

See merge request petsc/petsc!8536

PCHPDDM: switch to native SLEPc options

- Deprecate -eps_threshold in favor of -eps_threshold_absolute
- Deprecate -eps_relative_threshold in favor of -eps_threshold_relative
- Deprecate -svd_relati

PCHPDDM: switch to native SLEPc options

- Deprecate -eps_threshold in favor of -eps_threshold_absolute
- Deprecate -eps_relative_threshold in favor of -eps_threshold_relative
- Deprecate -svd_relative_threshold in favor of -svd_threshold_relative
- More flexibility to users, e.g., one can now supply -svd_threshold_relative but not -svd_nsv

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Merge branch 'barry/2025-05-15/fix-func-typedef-names' into 'main'

All typedef for functions are of the form (XXXXFn)(...) not (*XXXXyyyy)(....)

See merge request petsc/petsc!8408

All typedef for functions are of the form (XXXXFn)(...) not (*XXXXyyyy)(....)

Merge branch 'knepley/feature-coord-dim-change' into 'main'

Plex: Change of coordinate dimension fully working

See merge request petsc/petsc!8238

SNES ex12: Added test for coordinate dimension change

Merge branch 'knepley/feature-embedded-manifold' into 'main'

Plex+PetscFE: Fixes to allow embedded manifolds

See merge request petsc/petsc!8141

SNES ex12: Add test for embedded manifold

Merge branch 'barry/2024-09-17/speedup-gmakegentest' into 'main'

Have gmakegentest.py not generated unneeded scripts for faster runs

See merge request petsc/petsc!7843

Add check for misuse of TODO in gmakegentest.py specifications and fix misuse

Merge branch 'stefanozampini/dmplex-mass' into 'main'

Fixes/enhancements for mass matrix support

See merge request petsc/petsc!7649

DMPLEXVTU: fix for empty processes

add test

Merge branch 'jrwrigh/cgns_no_elem' into 'main'

fix(plexcgns): Tolerate ranks with no elements

See merge request petsc/petsc!7779

fix(plexcgns): Tolerate ranks with no elements

Merge branch 'nathawani/feature-amr-using-flux-norm' into 'main'

SNES ex27: Poisson problem using primal and mixed form for error estimator using flux norm

See merge request petsc/petsc!7674

SNES ex12: Updated tests

Merge branch 'knepley/fix-dm-field-facedata' into 'main'

DMField: Quadrature was wrong for affine branch of facedata

See merge request petsc/petsc!7547