DMPlexGetLocalOffsets: use DMGetRegionDS

This allows consistent control flow whether or not labeled points exist
on each MPI rank and provides simpler correct behavior regardless of
whether boundary

DMPlexGetLocalOffsets: use DMGetRegionDS

This allows consistent control flow whether or not labeled points exist
on each MPI rank and provides simpler correct behavior regardless of
whether boundary labels have been completed or not.

show more ...

Fix missing NULL at end of DMPlexCSRAlgorithms

Commit-type: bug-fix
/spend 5m
Reported-by: fsanitize
Thanks-to: Jacob Faibussowitsch <jacob.fai@gmail.com>

Merge branch 'knepley/fix-plex-filter-label' into 'main'

Plex: Filter labels in DMPlexFilter()

See merge request petsc/petsc!4717

Plex: Filter labels in DMPlexFilter()

dm - small fix for confusing valgrind output

Merge branch 'jwallwork23/fixes-parmmg' into 'main'

ParMmg updates

See merge request petsc/petsc!4725

parmmg: comments and error messages
- Provide comments for the construction of the communicators
- Make the error messages more detailed

Add plex/tests/ex56 to test parallel label loading.

Test parallel label I/O via boundary vertex coordinates,
and DMCompareLabels() applied to DMs with labels loaded before
and after distribution.

ex55: -compare_labels in test 10

ReadLabelHDF5_Static: remove label if already exists

DMPlexLabelsLoad_Internal works in parallel.

DMPlexLabelsLoad: add PetscSF sfXC arg.

LabelCtx* -> LoadLabelsCtx

DMPlexLabelsLoad_HDF5_Internal: use relative group pushing;

((LabelCtx *) op_data) -> ctx

DMPlexLabelsView_HDF5_Internal: remove nonsensical use of name of stratumIS -

we must keep the same name as loader "indices"

DMPlexView_HDF5_Internal: DMPlexLabelsView_HDF5_Internal only along with DMPlexTopologyView_HDF5_Internal

add separate DMPlexLoad_HDF5_Legacy_Private() for legacy DMLoad()

plexhdf5.c: rename legacy format helpers

DMPlex: stable computation of cell centroids

Merge branch 'jeremy/libceed' into 'main'

Expand libCEED + DMPlex Restriction support

See merge request petsc/petsc!4701

Expand libCEED + DMPlex Restriction support

Merge branch 'jwallwork23/default-to-mmg' into 'main'

Set Mmg and ParMmg as the default adaptors

See merge request petsc/petsc!4665

Merge branch 'jacobf/2021-12-09/attribute-format-mat' into 'main'

Feature: Attribute Format - Mat

See merge request petsc/petsc!4634

plex ex3: use mmg

plex ex60: use testset formatting

plex ex19: use pragmatic