Merge branch 'barry/2026-01-31/improve-dmactive' into 'main'

Split dmActive into separate support for matrix, rhs, and initial guess

See merge request petsc/petsc!8990

Split dmActive into seperate support for matrix, rhs, and initial guess

Merge branch 'barry/2025-08-27/docs-pcmg' into 'main'

Improve PCMG docs and code regarding default to one level and no true multigrid

See merge request petsc/petsc!8677

Add warning to PCView for PCMG when used on one level

Improve PCMG documentation regarding usage with DM and if interpolation/restriction are not provided

Add error checker for PCMG with multiple levels and no DM provided and no restriction/interpolation added for clearer error message

fix some code formatting

Merge branch 'adams/fix-mg-reusepc' into 'main'

set fine grid smoother 'reusepc' with mgpc->reusepc

See merge request petsc/petsc!8656

Merge branch 'jolivet/clang-format-21' into 'main'

clang-format-21

See merge request petsc/petsc!8202

One-liners from petsc/petsc!5344 and petsc/petsc!5557

Slightly reworked regular expression

git ls-files -z -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | while IFS= read -r -d '' file; do
cat

One-liners from petsc/petsc!5344 and petsc/petsc!5557

Slightly reworked regular expression

git ls-files -z -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | while IFS= read -r -d '' file; do
cat $file | tr '\n' '\r' | sed -E 's/\r([ ]*)(for|if|while|else) ([^\r]*)\{\r[ ]*Petsc([a-zA-Z]*)\(([^\r]*)\);\r[ ]*\}\r/\r\1\2 \3Petsc\4(\5);\r/g' | tr '\r' '\n' > ${file}.joe; mv ${file}.joe ${file}
done

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Merge branch 'MarDiehl/fix-typo' into 'main'

missing "s" for isascii and issundials

See merge request petsc/petsc!8559

missing "s" for isascii and issundials

set fine grid smoother 'reusepc' with mgpc->reusepc

Merge remote-tracking branch 'origin/release'

Merge branch 'jolivet/docs-fix-then' into 'release'

Docs: then -> than

See merge request petsc/petsc!8600

Docs: then -> than

Merge branch 'barry/2025-05-17/fix-ksp-typedef-function-prototypes' into 'main'

Clean up the use of typedef function prototypes for KSP

See merge request petsc/petsc!8431

Clean up the use of typedef function prototypes for KSP

Merge branch 'jolivet/feature-pcmatapplytranspose' into 'main'

PC: add PCMatApplyTranspose()

See merge request petsc/petsc!8322

PC: add PCMatApplyTranspose()

Merge branch 'stefanozampini/fix-nullspace' into 'main'

Some nullspace fixes

See merge request petsc/petsc!8247

KSPSetNoisy_Private: remove nullspace from noisy rhs if present

Merge branch 'barry/2024-04-29/add-fortran-enums' into 'main'

Major updates to Fortran interface

See merge request petsc/petsc!7517

Fortran 90: fully embrace After 34 years!

- deprecate use of 'F90' in Fortran function names
- use Fortran pointers when appropriate
- the new Fortran API is not backward compatible with previous ve

Fortran 90: fully embrace After 34 years!

- deprecate use of 'F90' in Fortran function names
- use Fortran pointers when appropriate
- the new Fortran API is not backward compatible with previous versions!
- also clean up inconsistent PETSc code detected by new Fortran generation tools
- drop use of bfort
- automatically generate all the Fortran PETSc objects, enums etc from the include files
- generate most of the Fortran interface definitions and functions from the source code
- simplify the number and organization of Fortran modules

Co-authored-by: Jose E. Roman <jroman@dsic.upv.es>

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Merge branch 'stefanozampini/misc-fixes' into 'main'

Miscellaneous minor fixes

See merge request petsc/petsc!8178