Merge branch 'jczhang/sf-change-api' into 'main'

Change some SF APIs mentioned in the ECP paper

See merge request petsc/petsc!3659

SF: add an MPI_Op argument to SFBcast

Merge branch 'jolivet/fix-incorrect-chkerrq' into 'master'

CHKERRQ() -> CHKERRMPI()

See merge request petsc/petsc!3637

CHKERRQ() -> CHKERRMPI()

Merge branch 'knepley/feature-plex-hessians' into 'master'

Plex+FE: Now we can turn on second derivatives in an FEM calculation

See merge request petsc/petsc!3547

Plex+FE: Now we can turn on second derivatives in an FEM calculation - Now FE interpolation and PetscFEEvaluateFieldJets_Internal() can also do Hessians - Add jet degree to DS - Add PTAP operations f

Plex+FE: Now we can turn on second derivatives in an FEM calculation - Now FE interpolation and PetscFEEvaluateFieldJets_Internal() can also do Hessians - Add jet degree to DS - Add PTAP operations for small matrices

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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 branch 'jed/defined-nocpp' into 'master'

PetscDefined: test whether a configuration macro is defined without #ifdef

See merge request petsc/petsc!157

PetscDefined: remove many uses of #ifdef PETSC_USE_DEBUG

Merge branch 'knepley/feature-dm-remove-hybrid' into 'master'

Knepley/feature dm remove hybrid

See merge request petsc/petsc!2614

DM+Plex: Removed the idea of hybrid and ghost cells, in favor of cell type
- Improved Plex tests to work for other cell types
- Plex creation, interpolation, submesh, and refinement routines now set

DM+Plex: Removed the idea of hybrid and ghost cells, in favor of cell type
- Improved Plex tests to work for other cell types
- Plex creation, interpolation, submesh, and refinement routines now set the cell type
- Distribution sorts strata by cell type
- Fixed orientation of prisms from input formats
- Added Plex ex40 to test regular refinement
- CellRefiner is a PetscObject
- dm_plex_cell_refiner chooses the refinement strategy
- Removed SimplexToTensor stuff in favor of ToHex refiner
- Most functions take DMPolytopeType instead of CellRefiner
- CellRefinerInCellTest_Internal()
- CellRefinerGetAffineTransforms_Internal()
- CellRefinerGetAffineFaceTransforms_Internal()
- DMForest now responds to DMPlexGetOverlap() and propagates its overlap to the underlying Plex
- Use DMPlexComputeCellType_Internal() to classify a cell based only on topology
- Added DMPlexGetSimplexOrBoxCells() to replace DMPlexGetInteriorCellStratum()
- Added DM_POLYTOPE_POINT_PRISM_TENSOR
- Added DMPolytopTypeGetDim() and DMPolyTopeTypeGetConeSize()
- Added DMLabelSetStratumBounds()
- Added DMPlexSetCellType()
- Added celltypes to DMView()
- Added DMPolytopeTypeGetNumVertices()
- Added DMPlexCreateReferenceCellByType()
- Added DMPolytopeTypeFromGmsh()
- Made DMPlexRefineUniform() public

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Merge branch 'knepley/feature-dm-cell-types' into 'master'

Knepley/feature dm cell types

See merge request petsc/petsc!2446

DM+Plex: Now classify cells by polytope type
- Defined the polytope type of a cell. added names and special shortcut
pointer like depth - Fixed DMLabelMakeValid() to optimize for contiguous
runs of

DM+Plex: Now classify cells by polytope type
- Defined the polytope type of a cell. added names and special shortcut
pointer like depth - Fixed DMLabelMakeValid() to optimize for contiguous
runs of points - Added cell polytope type label to DM - This needs
special processing, like depth - Added DMPlexGetPointDepth(),
DMPlexGetCellType(), DMPlexGetCellTypeLabel() - DMPlexComputeCellTypes()
infers the cell type for all points using dim/depth/coneSize/ghostCells
- DMPlexGetRawFace(Hybrid)_Internal() now takes the cell type. This
means we can unify the functions later. - Replaced switch(dim/coneSize)
constructs with cell type

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Merge branch 'haplav/feature-check-boundary-connected-prereq-leftovers' into 'master'

Minor improvements to DMPlex.

See merge request petsc/petsc!2062

Merge branch 'knepley/is-separate-section' into 'master'

Knepley/is separate section

See merge request petsc/petsc!2065

Knepley/is separate section

DMLabelCreate: add note label name is PetscObject name

DMLabelGetStratumIS: add Notes to manpage

Merge branch 'master' into this one.

Merge branch 'haplav/feature-isfilter' into 'master'

factor out ISFilter() from ISGeneralFilter()

See merge request petsc/petsc!1986

DMLabelFilter: minor manpage fix

DMLabelFilter: employ ISGeneralFilter()

Merge branch 'dalcinl/fix-headers' [PR #1897]

* dalcinl/fix-headers:
Minor fixes to headers.

Fix a bunch of PetscValidPointer() -> PetscValidXXXPointer()