Merge branch 'jolivet/fix-hypre-convert' into 'release'

MatConvert_HYPRE_AIJ: fix MAT_REUSE_MATRIX

See merge request petsc/petsc!4824

Tranpose -> transpose

Merge branch 'stefanozampini/unify-getctx' into 'main'

Unify XXGetYYContext calls

See merge request petsc/petsc!4212

Unify XXGetYYContext calls

always use void*

Merge branch 'barry/2021-05-16/fix-double-lines' into 'main'

Fix typos in source

See merge request petsc/petsc!3984

Remove all double blank lines from source

Commit-type: petsc-style
/2h

Merge branch 'stefanozampini/fixes' into 'master'

Device fixes

See merge request petsc/petsc!3541

MatMatShell: last takes precedence on composed operations

Merge branch 'barry/2020-10-08/fix-mpi-error-codes' into 'master'

Convert MPI error type to PETSc error with string message for all MPI calls

See merge request petsc/petsc!3326

Convert MPI error type to PETSc error with string message for all MPI calls

Now PETSc examples will ONLY return PETSc error codes and never MPI error codes directly so we can understand and post-pro

Convert MPI error type to PETSc error with string message for all MPI calls

Now PETSc examples will ONLY return PETSc error codes and never MPI error codes directly so we can understand and post-process their
errors better.

The test harness will now automatically retry tests that fail with MPI, this may help with Intel MPI that produces
seemingly random failures.

Commit-type: error-checking
/spend 30m

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Merge remote-tracking branch 'origin/release' into master

Merge branch 'stefanozampini/fix-matshell' into 'release'

MATSHELL: matrix sizes may not be known at creation time

See merge request petsc/petsc!3433

MATSHELL: matrix sizes may not be known at creation time

Merge branch 'dalcinl/fix-null' into 'master'

Fix 0 -> NULL for pointers

See merge request petsc/petsc!3086

Mat: Replace 0 -> NULL for pointers

Merge branch 'stefanozampini/feature-add-hpackages-rebased' into 'master'

Fixes to MatProduct + many bug fixes + new hierarchical matrix support

See merge request petsc/petsc!2800

MATSHELL: add support for MatMat operations

Added MatIsShell to inquire about the presence of the shell specific data

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

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

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/stefanozampini/fix-matshell-axpy'

Fix MATSHELL MatAXPY

See merge request petsc/petsc!2492

MATSHELL: remove values of PetscObjectState from error messages

MATSHELL: implement MatAXPY properly

Merge branch 'matshellvectype' into 'master'

MatShell - add SetVecType

See merge request petsc/petsc!2249

MatShell - add SetVecType

Merge branch 'maint'