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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PC: add new mat ops MATOP_GET_{BLOCK, VBLOCK}_DIAGONAL

so that a shell matrix can return its own (variable) point blocks in a matrix for use in PC (V)PBJacobi

Merge branch 'jolivet/fix-missing-field-initializers' into 'main'

Mat: fix -Wmissing-field-initializers

See merge request petsc/petsc!7628

Mat: fix -Wmissing-field-initializers

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 remote-tracking branch 'origin/release'

Merge branch 'barry/2024-05-27/fix-bug-baij-setvaluesblocked/release' into 'release'

Fix serious bug in MatSetValuesBlocked for SeqBAIJ when a reallocation is needed.

See merge request petsc/petsc!

Merge branch 'barry/2024-05-27/fix-bug-baij-setvaluesblocked/release' into 'release'

Fix serious bug in MatSetValuesBlocked for SeqBAIJ when a reallocation is needed.

See merge request petsc/petsc!7578

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Remove now redundant increase in mat nonzero state

Fix serious bugs in MatSetValuesBlocked for SeqBAIJ and MPIBAIJ when a reallocation is needed.

Reported-by: Adrian Croucher <a.croucher@auckland.ac.nz>

Merge remote-tracking branch 'origin/release'

Merge branch 'barry/2024-04-28/docs-ownershiprange/release' into 'release'

Add more details on Vec/MatGetOwnershipRange() and how the values are determined.

See merge request petsc/petsc!7512

Add more details on Vec/MatGetOwnershipRange() and how the values are determined.

Reported-by: Sayan Bhattacharjee

Merge remote-tracking branch 'origin/release'

Merge branch 'barry/2024-04-24/doc-fixes/release' into 'release'

release docs fixes

See merge request petsc/petsc!7498

release docs fixes

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:

release docs fixes

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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Merge branch 'jolivet/add-matmatsolvetranspose_seqaij' into 'main'

MatMatSolveTranspose_SeqAIJ and minor housekeeping

See merge request petsc/petsc!7386

Minor housekeeping

Merge branch 'jolivet/feature-consolidate-issymmetric' into 'main'

Mat: consolidate MatIs[Symmetric|Hermitian]() implementations

See merge request petsc/petsc!7380

Mat: consolidate MatIs[Symmetric|Hermitian]() implementations

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

clang-format version 18

See merge request petsc/petsc!6902

Remove multiple parentheses and extra semicolon

git grep -l -E "\(\([a-zA-Z0-9_]+\)\(\*[a-zA-Z0-9_]+\)[, )]" | xargs sed -r -i'' 's#\(\(([a-zA-Z0-9_]+)\)\(\*([a-zA-Z0-9_]+)\)([, )])#\(\(\1\)\*\2\3#g

Remove multiple parentheses and extra semicolon

git grep -l -E "\(\([a-zA-Z0-9_]+\)\(\*[a-zA-Z0-9_]+\)[, )]" | xargs sed -r -i'' 's#\(\(([a-zA-Z0-9_]+)\)\(\*([a-zA-Z0-9_]+)\)([, )])#\(\(\1\)\*\2\3#g'
git grep -l -E "Petsc(.)*\(\(\*[a-zA-Z0-9_]*\)," | xargs sed -r -i'' 's#Petsc([a-zA-Z0-9_]*)\(\(\*([a-zA-Z0-9_]*)\), #Petsc\1(*\2, #g'
git grep -l -E "([\!\&\~\*\(]|\)\)|\([^,\*\(]+\**\))\(([a-zA-Z0-9_]+((\.|->)[a-zA-Z0-9_]+|\[[a-zA-Z0-9_ \%\+\*\-]+\])+)\)" | xargs sed -r -i'' 's#([\!\&\~\*\(]|\)\)|\([^,\*\(]+\**\))\(([a-zA-Z0-9_]+((\.|->)[a-zA-Z0-9_]+|\[[a-zA-Z0-9_ \%\+\*\-]+\])+)\)#\1\2#g'

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Merge branch 'barry/2024-03-03/docs-mat-manpages' into 'main'

Clarify which MatCreate and friends copies the user provided values

See merge request petsc/petsc!7336

Clarify which MatCreate and friends copies the user provided values

Reported-by: Fabian Wermelinger <fab4100@posteo.ch>

Merge branch 'barry/2024-02-23/doc-trivial-mat' into 'main'

Bug fix, calling MatXXXSetPreallocation on MPI matrices after MatSetOption() loses the option value

See merge request petsc/petsc!7319