better debugging capabilities

using MPIU wrappers where available and PetscCallMPI for all MPI(U)
functions

Remove unnecessary braces around one-liners

git grep -lE "[ ]*(if|for|while) \(.*\) {[^;]*;[^;]*}$" -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | xargs sed -i '' -E 's#([ ]*)(if|for|while) \((.*)\

Remove unnecessary braces around one-liners

git grep -lE "[ ]*(if|for|while) \(.*\) {[^;]*;[^;]*}$" -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | xargs sed -i '' -E 's#([ ]*)(if|for|while) \((.*)\) {([^;]*);([^;]*)}$#\1\2 \(\3\)\4;\5#'

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Convert some SETERRQ() to PetscCheck()

One-liners from petsc/petsc!5344 and petsc/petsc!5557

Slightly reworked regular expression

git ls-files -z -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | while IFS= read -r -d '' file; do
cat

One-liners from petsc/petsc!5344 and petsc/petsc!5557

Slightly reworked regular expression

git ls-files -z -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | while IFS= read -r -d '' file; do
cat $file | tr '\n' '\r' | sed -E 's/\r([ ]*)(for|if|while|else) ([^\r]*)\{\r[ ]*Petsc([a-zA-Z]*)\(([^\r]*)\);\r[ ]*\}\r/\r\1\2 \3Petsc\4(\5);\r/g' | tr '\r' '\n' > ${file}.joe; mv ${file}.joe ${file}
done

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missing "s" for isascii and issundials

Remove explicitly listed empty files and switch to output/empty.out

Merge remote-tracking branch 'origin/release'

fortran no semicolon at end of line

Remove all unneeded ; at end of Fortran source code line

Add checkbadSource to check for semicolon at the end of lines

SF: disable two tests for sf_window as they are frequent timed out with the CI job linux-hip-cmplx

It happens more often with openmpi

Merge branch 'release'

PetscLayoutMapLocal: support negative indices

Merge remote-tracking branch 'origin/release'

Remove the last of the uses of $ in the first line of formatted manual pages

Merge remote-tracking branch 'origin/release'

SF: add checks against using MPI_REPLACE in MPI_Reduce_local

SF: enable HIP complex

Mat: Fix and improve the performance of dense matrix multiplication

Mat: Add MATDENSEFROMVECTYPE constructor type

Now in a tests set you can do

```
testset:
args: -mat_type densefromvectype

Mat: Fix and improve the performance of dense matrix multiplication

Mat: Add MATDENSEFROMVECTYPE constructor type

Now in a tests set you can do

```
testset:
args: -mat_type densefromvectype
test: test_cuda
requires: cuda
args: -vec_type veccuda
test: test_hip
requires: hip
args: -vec_type vechip
```

(This assumes that you call `MatSetVecType()` before you call
`MatSetFromOptions()`)

Mat_MPIDense: Cache offsets of MatDenseGetSubMatrix() to avoid communication in more cases

Mat: Add missing implementations for internal "MatMultColumnRange()" interface

Mat_MPIDense: Fix the zeroing of buffers in multiplication routines

Mat_MPIDense: Add optimization of MatMatMult routines when all columns are owned by rank 0

The communication for intermediate buffers can be handled with allreduce / bcast operations,
but we use the PetscSF matvec context instead of MPI routines directly so that we will
use gpu-aware MPI if possible.

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Fix wrong case for PETSc