Merge branch 'jolivet/consolidate-options' into 'main'

Consolidate MAT_HERMITIAN and MAT_SYMMETRIC options

See merge request petsc/petsc!8856

Rework MAT_SYMMETRIC and MAT_HERMITIAN options

Merge branch 'jolivet/pchpddm-check-user-parameter' into 'main'

PCHPDDM: check --with-debugging that -pc_hpddm_has_neumann is correct

See merge request petsc/petsc!8729

MatNormal[Hermitian]: add support for shifts and scales in MatConvert()

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

clang-format-21

See merge request petsc/petsc!8202

Remove unnecessary braces around one-liners

git grep -lE "[ ]*(if|for|while) \(.*\) {[^;]*;[^;]*}$" -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | xargs sed -i '' -E 's#([ ]*)(if|for|while) \((.*)\

Remove unnecessary braces around one-liners

git grep -lE "[ ]*(if|for|while) \(.*\) {[^;]*;[^;]*}$" -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | xargs sed -i '' -E 's#([ ]*)(if|for|while) \((.*)\) {([^;]*);([^;]*)}$#\1\2 \(\3\)\4;\5#'

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Merge branch 'release'

Merge branch 'jolivet/fix-matnormal-bs' into 'release'

MATNORMAL[HERMITIAN]: fix block size

See merge request petsc/petsc!8496

MATNORMAL[HERMITIAN]: fix block size

Merge branch 'barry/2025-04-20/docs-linear-regressor-in-ksp' into 'main'

Mention linear regressor in KSP docs and KSP usage from linear regressor

See merge request petsc/petsc!8334

Mention linear regressor in KSP docs and KSP usage from linear regressor

Merge branch 'stefanozampini/bs' into 'main'

PetscLayout: set default block size to 1

See merge request petsc/petsc!8226

PetscLayout: default block size 1

Merge branch 'jolivet/remove-unneeded-mpicast' into 'main'

Remove unneeded PetscMPIIntCast() for routines using PetscCount

Closes #1661

See merge request petsc/petsc!8099

Remove unneeded PetscMPIIntCast() for routines using PetscCount

Fix #1661

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

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 'origin/release' with a revert of !7720

Merge branch 'jolivet/consolidate-error-checking-shell' into 'release'

MatShell and derivatives: bug fixing and code consolidation

See merge request petsc/petsc!7721

MatShellGetScalingShifts: consolidate checks for MatShell subtypes

Merge branch 'audic/refactor-htool' into 'main'

MatShell: add support for MAT_OP_GET_DIAGONAL_BLOCK + MatHtool as a MatShell

See merge request petsc/petsc!7654

MatShell: add support for MAT_OP_GET_DIAGONAL_BLOCK

Also fix MatGetDiagonalBlock_Normal() and
MatGetDiagonalBlock_NormalHermitian()