enable MatSetOption() for matproduct; Reported by Nourgaliev, Robert Nr <nourgaliev1@llnl.gov>
add MatSetType() in MatProductSetFromOptions_Atype_Btype_Ctype()
fix MatSetOption_MPIAIJ for case MAT_US

enable MatSetOption() for matproduct; Reported by Nourgaliev, Robert Nr <nourgaliev1@llnl.gov>
add MatSetType() in MatProductSetFromOptions_Atype_Btype_Ctype()
fix MatSetOption_MPIAIJ for case MAT_USE_INODES

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Merge branch 'hzhang/fix-MatProductSetFromOptions-err' into maint

Ref: https://gitlab.com/petsc/petsc/-/merge_requests/2723

Merge branch 'hzhang/fix-MatProductSetFromOptions-err' into 'master'

fix error report in MatProductSetFromOptions_xxx

See merge request petsc/petsc!2723

Add the product type and matrix types for the error report in MatProductSetFromOptions_matA_matB_matC()
Requested by Jed Brown

Merge branch 'maint'

Merge branch 'jolivet/fix-typos' into 'maint'

Typos

See merge request petsc/petsc!2711

Typos

Merge branch 'jed/promote-examples-tests-tutorials' [petsc/petsc!2610]

* jed/promote-examples-tests-tutorials:
Promote examples/{tests,tutorials}/ to {tests,tutorials}/

Merge remote-tracking branch 'origin/hzhng/matproduct-api'

This branch reorganizes the API of mat-mat operations: A*B, At*B, A*Bt, PtAP, RARt, A*B*C
- See matproduct.c for detailed description of new API
- removed API function XXXSymbolic() and XXXNumeric()

This branch reorganizes the API of mat-mat operations: A*B, At*B, A*Bt, PtAP, RARt, A*B*C
- See matproduct.c for detailed description of new API
- removed API function XXXSymbolic() and XXXNumeric()
- removed subroutines MatMatMult_xxx, MatPtAP_xxx, ...
- modified MatxxxSymbolic_XXX() prototype (product is an input now)
- selection of algorithm is in MatProductSetFromOptions_xxx()

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Promote examples/{tests,tutorials}/ to {tests,tutorials}/

This shortens paths and improves consistency between test target names
and paths to the source and output files. Most of the work was
compl

Promote examples/{tests,tutorials}/ to {tests,tutorials}/

This shortens paths and improves consistency between test target names
and paths to the source and output files. Most of the work was
completed by this script, followed by mild cleanup of nonconforming
cases.

for makefile in `git ls-files 'src/*makefile'`; do
if rg -q 'DIRS.*\bexamples\b' $makefile; then
base=$(dirname $makefile)
dirs=$(cd $base/examples && ls -d tests tutorials 2>/dev/null | xargs echo)
perl -pi -e "s#^(DIRS.*)\bexamples\b#\1${dirs}#" $makefile
git rm $base/examples/makefile
for t in $dirs; do
git mv $base/examples/$t $base/
perl -pi -e "s#^(LOCDIR[[:space:]]*=).*#\1 $base/$t/#" $base/$t
done
fi
done

git grep -l -E -z 'examples/(tutorials|tests)' | xargs -0 perl -pi -e 's#examples/(tutorials|tests)#\1#g'
git checkout @ \
src/docs/website/documentation/changes/ \
src/benchmarks/results/

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Merge remote-tracking branch 'origin/maint'

Merge branch 'hzhang/fix-matmatmultsym_aij_dense' into 'maint'

fix MatMatMultSymbolic_MPIAIJ_MPIDense();

See merge request petsc/petsc!2570

fix MatMatMultSymbolic_MPIAIJ_MPIDense();
Reported-by: Emmanuel Ayala <juaneah@gmail.com>

Merge branch 'jolivet/matmatmult-nest-dense' into 'master'

Support for MatMatMult with Nest and MPIDense

See merge request petsc/petsc!2069

Support for MatMatMult with Nest and MPIDense

Merge branch 'hzhang/fix-matmatops-aijdense/master' into 'master'

Hzhang/fix matmatops aijdense/master

See merge request petsc/petsc!2096

bugfix for matmatmult and mattransposematmult for mpiaij and mpidense
Contributed-by: Pierre Jolivet <pierre.jolivet@enseeiht.fr>

bugfix for MatMatMultNumeric_MPIDense() which allows user-provided d

bugfix for matmatmult and mattransposematmult for mpiaij and mpidense
Contributed-by: Pierre Jolivet <pierre.jolivet@enseeiht.fr>

bugfix for MatMatMultNumeric_MPIDense() which allows user-provided dense matrix
Reported-by: Jose E. Roman <jroman@dsic.upv.es>

small fixes reported by prj- <gitlab@mg.gitlab.com>

fix typo; check matrix local size of user-provided C in MatMatMultSymbolic_MPIAIJ_MPIDense()

comm -> PETSC_COMM_SELF for local error checking.

convert dos format to unix; add LDA to help menu.

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Merge branch 'master' of gitlab.com:petsc/petsc

Merge branch 'hzhang/matmatmult-aijdense-optimize' into 'master'

Hzhang/matmatmult aijdense optimize

See merge request petsc/petsc!2032

optimize MatMatMult_mpiaij_mpidense();
Requested-by: Ian Lin <iancclin@umich.edu>

Merged in barry/optimize-aij-da (pull request #1762)

Non-numeric optimizations focused on AIJ, MatFDColoring, and DMCreateMatrix_DA_*AIJ, looking to improve performance in GPU environments

Non-numeric optimizations focused on AIJ, MatFDColoring, and DMCreateMatrix_DA_*AIJ, looking to improve performance in GPU environments

1) PetscCalloc*() now uses system calloc()
2) Merged some Pets

Non-numeric optimizations focused on AIJ, MatFDColoring, and DMCreateMatrix_DA_*AIJ, looking to improve performance in GPU environments

1) PetscCalloc*() now uses system calloc()
2) Merged some PetscMalloc*()
3) Eliminated unneeded PetscCalloc*()
4) Removed some memory allocations and copies in MatFDColoringSetUp(), added local variables for better compiler optimization
5) Added MatSetValues_SeqAIJ_SortedFull(), added MatSetOption(MAT_SORTED_FULL)
6) Optimized DMCreateMatrix_DA_*AIJ for nonperiodic case to automatically have sorted columns (faster MatSetValues() times)
7) Eliminated call to PetscMemzero() in PetscFree()

Commit-type: style-fix, feature

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Merge remote-tracking branch 'origin/barry/add-petscarrayxxx-ops' [PR #1771]

Resolved issues brought up in PR

Commit-type: bug-fix, style-fix
Reported-by: Patrick Sanan <patrick.sanan@gmail.com>