add typedef for functions passed to SNESSetFunction() etc to match approach in TS

I never liked Jed's use of typedef for function prototypes for a couple of reasons

1) you don't see immediately tha

add typedef for functions passed to SNESSetFunction() etc to match approach in TS

I never liked Jed's use of typedef for function prototypes for a couple of reasons

1) you don't see immediately that the argument to the function is a function pointer instead of standard variable when looking at source
2) you don't see at the exact location in the code the prototype of the function being passed in

but there is something to say for using these typedefs so

I've prototyped the change for SNES but slightly differently than what Jed did for TS

1) I append the typedef with _Ftn to mark that it is a function (helping to relieve the problem 1 above)
2) I made the typedef to be for a function, not a function pointer so it can also be used directly for things like

PETSC_EXTERN SNESJacobian_Ftn SNESComputeJacobianDefault;

I think the TS usage could be switched to this style without user code breakage, and deprecate the current TS typedef

Thoughts?

Just do SNES the same way as TS and live with less clarity?

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Merge branch 'jczhang/2024-01-29/fix-err-msg-vecreplacearray' into 'main'

Add better error message in the unsupported VecReplaceArray() after VecDuplicateVecs

Closes #1537

See merge request petsc/

Merge branch 'jczhang/2024-01-29/fix-err-msg-vecreplacearray' into 'main'

Add better error message in the unsupported VecReplaceArray() after VecDuplicateVecs

Closes #1537

See merge request petsc/petsc!7245

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Vec: add better error message in the unsupported VecReplaceArray() on the first Vec got from VecDuplicateVecs()

close #1537

Merge branch 'jolivet/feature-composite-as-shell' into 'main'

MatComposite, MatNormal, and MatHermitianNormal as a MatShell

See merge request petsc/petsc!7226

Merge branch 'adams/gamg-feature-injection' into 'main'

GAMG: add injection for C1 elements

See merge request petsc/petsc!7236

Docs: update change log

gamg: adding injection restriction/prolongation (for C1 elements)

DMPLEX: handle material parameters in subdomain callbacks

Add DMClearAuxiliaryVec

DM+DS: Function to sync DS labels based on names

Merge branch 'jose/matproduct-getalgorithm' into 'main'

Add missing interface function MatProductGetAlgorithm()

See merge request petsc/petsc!7225

Add missing interface function MatProductGetAlgorithm()

VecISXXX: always require IS argument to be non NULL

add collectiveness specification to docs

Vec: add VecISShift

DMPlexDistribute: sort ranks for migration

add boolean flat to DMPlexPartitionLabelCreateSF arguments
update tests

Plex: Rework coordinate maps
- Add DMPlexCoordMap and some default maps
- Allow mapping to be done from DMSetFromOptions()
- Reimplemented DMPlexShearGeometry()
- Added affine fallback to DMPlexRemap

Plex: Rework coordinate maps
- Add DMPlexCoordMap and some default maps
- Allow mapping to be done from DMSetFromOptions()
- Reimplemented DMPlexShearGeometry()
- Added affine fallback to DMPlexRemapGeometry()

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Plex: Allow section reordering by default
- Add DMPlexReorderSectionGetDefault() and DMPlexReorderSectionGetDefault()
- Allow default reordering for sections the can group points
- Bigger blocks gene

Plex: Allow section reordering by default
- Add DMPlexReorderSectionGetDefault() and DMPlexReorderSectionGetDefault()
- Allow default reordering for sections the can group points
- Bigger blocks generate a variable block size description
- Add -dm_plex_reorder_section

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Section: Add PetscSectionGetBlockStarts() and PetscSectionSetBlockStarts()

Vec: add missing collective checks for scalars

fix tests

Merge branch 'jolivet/enable-ubsan' into 'main'

Proper UBSan suppression file and last fixes

See merge request petsc/petsc!7166

Merge remote-tracking branch 'origin/release'

Merge branch 'blanca/mat-mult-hermitian-transpose' into 'main'

Support for MatMultHermitianTranspose with MATDENSE, MATNEST and MATSCALAPACK

See merge request petsc/petsc!7171

Merge branch 'thecasterian/dmstag-local-to-local' into 'main'

DMStag: support local-to-local operations, add ex53 to test

See merge request petsc/petsc!7145

DMStag: implement local-to-local, add ex53 to test

Add missing () in docs function name

Update changelog