Convert to MATSELL or its subclass when calling MatSetType()

This simplifies user code so that users do not need to convert the matrix themselves.

Add a warm-up operation for the benchmark driver

- HIP uses a lazy initialization for GPUs, so the first call takes extra time
- The warm-up operation is excluded from logging

Add SELLHIP

- The HIP kernels are converted directly from their CUDA version
- AMD GPUs and NVIDIA GPUs use different warp sizes. We set the warp size to 64 by default for AMD GPUs to faciliate comp

Add SELLHIP

- The HIP kernels are converted directly from their CUDA version
- AMD GPUs and NVIDIA GPUs use different warp sizes. We set the warp size to 64 by default for AMD GPUs to faciliate compile-time code optimization

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Fortran: remove unneeded return

MATIS: implement binary view and load

Added tests

MATIS: allow repeated entries

deprecate old matis_ options, the correct way is mat_is_...
fix nonzerostate

add multielement code path in ex71

Add implementations for Mat{Forward,Backward}Solve for MKL_CPARDISO

MATNEST: support all NULL blocks

This is useful for doing something like

MatCreateNest(...,nr, isr, nc, isc, NULL, &N);
...
MatNestSetSubMat(N,0,0,...)

Add missing interface checks and tests

CI: update to clang-format-18

Remove some unneeded parentheses

Remove extra "" after format specifier ending a string

git grep -l -E "_FMT \"\"," | xargs sed -r -i'' 's#_FMT \"\",#_FMT,#g'

Remove carriage return in Petsc(Assert|Check)()

git grep -l -E "Petsc(Assert|Check)\(.*\\\n\"[,)]" | xargs sed -r -i'' 's#Petsc(Assert|Check)\((.*)\\n"([,)])#Petsc\1\(\2\"\3#g'

Suggested-by: Stefan

Remove carriage return in Petsc(Assert|Check)()

git grep -l -E "Petsc(Assert|Check)\(.*\\\n\"[,)]" | xargs sed -r -i'' 's#Petsc(Assert|Check)\((.*)\\n"([,)])#Petsc\1\(\2\"\3#g'

Suggested-by: Stefano Zampini

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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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checkbadSource: rules for PetscFunctionBegin and derivatives

Merge remote-tracking branch 'origin/release'

Merge branch 'barry/2024-02-20/fix-petscviewergetsubcomm' into 'main'

Document that PetscViewerGetSubViewer() is collective on the outer viewer and fix bugs.

See merge request petsc/petsc!7309

Document that PetscViewerGetSubViewer() is collective on the outer viewer and fix bugs.

Reported-by: Pierre Jolivet

mat_tests-ex72: fix symmetric MM matrices read as diagonal Mat

Trivial fix to MatSetValuesBlocked() manual page, spelling and spacing

Fix words appearing twice in a row for no good reason

fix error message when MatProductSymbolic() is not supported for the matrix types
Reported-by: Hana Honnerová <hhornik@kma.zcu.cz>
add 'bool setfromoptions_called' in Mat_Product for checking if MatP

fix error message when MatProductSymbolic() is not supported for the matrix types
Reported-by: Hana Honnerová <hhornik@kma.zcu.cz>
add 'bool setfromoptions_called' in Mat_Product for checking if MatProductSetFromOptions() is called

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Sys: add PetscOptions[Bounded|Range]Real()

Merge branch 'blanca/MatTransposeMatMult-Scalapack' into 'main'

Add MatTransposeMatMult() for ScaLAPACK matrices

See merge request petsc/petsc!7257