Expose VecPlaceArray_MPI() and VecResetArray_MPI() internally

Unify the trivially parallel Vec functions which amount to call seq function -> allreduce

Unify the VecM[T]Dot() interface functions, they do exactly the same thing

VecNorm() should call VecNormAvailable() instead of duplicating functionality

Clean up VecSetInf() and add explicit test for VecSetInf() with and without v->ops->set

Add VECOP_SET. Improve documentation of VecSetOperation() and properly document VecOperation.

Clean up vinv.c and unify all of the pointwise-apply methods in it

Fix incorrect usage of VecCUDARestoreArray(). Arrays were either double-restored or restored using wrong API

Fixup fortran kernel header formatting and const-correctness

Add HIP support to Mat class in PETSc

Co-authored-by: Justin Chang <jychang48@gmail.com>

Fixed-by: Jacob Faibussowitsch <jacob.fai@gmail.com>
Fixed-by: Junchao Zhang <jczhang@mcs.anl.gov>
Fixed-by:

Add HIP support to Mat class in PETSc

Co-authored-by: Justin Chang <jychang48@gmail.com>

Fixed-by: Jacob Faibussowitsch <jacob.fai@gmail.com>
Fixed-by: Junchao Zhang <jczhang@mcs.anl.gov>
Fixed-by: Satish Balay <balay@mcs.anl.gov>

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Vec: changing vector type on command line to expose a bug(to be fixed)

Mat: fix a bug when changing an MPI matrix with one rank to a subclass type

e.g., from MPIAIJ to '-mat_type aijcusparse'

Reported-by: Jesper Lund-Carlson <jca@dhigroup.com>

Fix double return

Merge branch 'jacobf/2022-09-23/misc-vec-fixups' into 'main'

Misc Vec Fixes

Closes #1184

See merge request petsc/petsc!5677

Change the remaining if !defined() header guards that were missed during The Great Formatting 2 to ifndef

Add veclockpush and pop to most vec functions that need it

PetscSF: optimize SFALLGATHERV for the one-to-all pattern

this happens with ML models using data parallelism having replicated local parameters
Add test

source code format changes due to .clang-format changes

Transform all header-guards into ifndefs to make clang-format ignore them for preprocessor indentation

Fix a variety of simple things associated with Matlab

Incorrect spelling
Out-dated documentation
Formatting

Commit-type: housekeeping
Reported-by: Jose Roman

No longer a need for a seperate --with-matlab-engine since their are not fragile MATLAB version dependent libraries

that may be work for some users

/spend 20m

Work around bug in Matlab Engine 2021b support, improve formatting of matlab engine tutorial example

Commit-type: housekeeping
/spend 20m

Merge branch 'haplav/feature-hdf5-group-additions' into 'main'

PetscViewerHDF5 group handling additions

See merge request petsc/petsc!5640

Merge branch 'jolivet/fix-implicit-fallthrough' into 'main'

Fix -Wimplicit-fallthrough

See merge request petsc/petsc!5655

Merge branch 'jacobf/2022-09-18/misc-minor-fixups' into 'main'

Minor Fixes

See merge request petsc/petsc!5651