examples/petsc: let DMSetFromOptions manage distribution

Sphere meshes are automatically snapped to the unit sphere when refined.

I left explicit partitioning in solids (though Ratel uses the new
p

examples/petsc: let DMSetFromOptions manage distribution

Sphere meshes are automatically snapped to the unit sphere when refined.

I left explicit partitioning in solids (though Ratel uses the new
paradigm) because it has documented command-line arguments and maybe
someone wants to know how to avoid this distribution.

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Merge pull request #905 from CEED/jeremy/seterrq

petsc - use SETERRQ over SETERRQ1

petsc - use SETERRQ over SETERRQ1

Merge pull request #885 from CEED/jeremy/min-petsc

PETSc - set minimum version for examples

Merge pull request #807 from CEED/jed/petsc-assemble-coo

PETSc examples: assemble matrix analytically instead of coloring

petsc - drop mat assembly by coloring

examples/petsc/multigrid: add event for assembly

examples/petsc/multigrid: assemble matrix analytically instead of coloring

This currently requires development PETSc to correctly handle negative
indices through the LocalToGlobalMapping.

petsc - set minimum version for examples

Merge pull request #866 from CEED/jeremy/petsc-offsets

Use DMPlexGetLocalOffsets

petsc - use DMPlexGetLocalOffsets for building restrictions

Merge pull request #764 from CEED/jeremy/ci-exit

junit - set CEED_ERROR_HANDLER to exit

petsc - clean up some header inclusions

Merge pull request #726 from CEED/jeremy/petsc-ex-build

Refactor petsc examples to reduce redundant code

style - update to new style for petsc examples

petsc - move Kershaw transformation to petscutils

petsc - refactor examples to reduce redundant code

examples/petsc: Kershaw mesh transformation (#715)

* add kershaw transformation

* separate kershaw function

* examples/petsc/multigrid: error handling and style fix

Co-authored-by: Jed Brow

examples/petsc: Kershaw mesh transformation (#715)

* add kershaw transformation

* separate kershaw function

* examples/petsc/multigrid: error handling and style fix

Co-authored-by: Jed Brown <jed@jedbrown.org>

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Merge pull request #679 from CEED/jed/petsc-hip

examples/petsc: use VecGetArrayAndMemType() to support CUDA/HIP/Kokkos

tests: enable junit testing of petsc-multigrid with OCCA

OCCA used to skip this test, but it was enabled in tap.sh as part of
issue #305 and I'm enabling here for junit (tested on noether and azure)

tests: enable junit testing of petsc-multigrid with OCCA

OCCA used to skip this test, but it was enabled in tap.sh as part of
issue #305 and I'm enabling here for junit (tested on noether and azure).

Reported-by: Jeremy L. Thompson <jeremy.thompson@colorado.edu>

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examples/petsc: use VecGetArrayAndMemType() to support CUDA/HIP/Kokkos

We resolve default VECCUDA or VECHIP based on /gpu/cuda or /gpu/hip. For
others, one should pass -dm_vec_type kokkos or -dm_vec

examples/petsc: use VecGetArrayAndMemType() to support CUDA/HIP/Kokkos

We resolve default VECCUDA or VECHIP based on /gpu/cuda or /gpu/hip. For
others, one should pass -dm_vec_type kokkos or -dm_vec_type standard.

There is no longer a "libCEED User Requested MemType" field in the
output.

Enable CI testing using PETSc built locally with HIP. This should be
converted to building a specified version once some bugs are fixed and
the branch merges.

Exclude automatic selection of VECHIP for /gpu/hip/occa due to SEGV:
https://github.com/CEED/libCEED/issues/678

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resolve merge conflicts for v0.7 release

Merge pull request #634 from CEED/jeremy/occa-order

OCCA - update backend resource names to match other GPU backends

OCCA - update backend resource names to match conventions

Merge branch 'main' into natalie/hip-ref-v2