Merge branch 'barry/fix-istogeneral_block'

fix for ISToGeneral_Block for a block size of 1

Reported-by: Lisandro Dalcin <dalcinl@gmail.com>

zvsectionisf90.c: fix unused variables warnings.

remame sources in src/vec/is/utils/f90-custom/ to z*f90.c notation
zisltogf.c -> zisltogf90.c
zvsectionisf.c -> zvsectionisf90.c
Also add zvsectionisf90.c to makefile [and enable its compilation]

mv src/vec/is/is/utils/ftn-custom/zisltogf.c src/vec/is/utils/ftn-custom/zisltogf.c

fortran: use auto generated interface for ISCompressIndicesGeneral()

fix compile warning

PetscSection: Added check for mismatch between SF and Section

Merge branch 'knepley/feature-problem-class'

* knepley/feature-problem-class: (40 commits)
PetscDS: Renamed from PetscProblem
ftn-types: fix compilers errors with PetscSection [remove duplicate

Merge branch 'knepley/feature-problem-class'

* knepley/feature-problem-class: (40 commits)
PetscDS: Renamed from PetscProblem
ftn-types: fix compilers errors with PetscSection [remove duplicate code from petscvec*.h90]
PetscSection: Fix Fortran datatypes support
DMPlex: Added quads to cell refiner transform support
DMPlex ex3: Updated to Problem interface
DMDA: Fixed FE projection functions
PetscSection: Fixes for Fortran stubs
DMPlex+TS+Doc: Function docs
PetscSection: Fortran bindings
DMPlex+HDF5: Had revered handedness of transformed periodic coordinates
DMPlex+HDF5: Preserve aspect ratio with remapping of periodic coordinates
DMPlex: Added missing declarations
Sys+DMDT: Added PetscValidFunction()
DMPlex: Fix for DMPlexProjectField()
DMPlex+HDF5: Selectively output fields for viz - Fields with NULL name are ignored
PetscSection: Allow NULL names
DMPlex: Fixes for DMPlexProjectField()
PetscProblem: Added scalar integral (objective function) - Added PetscProblemGet/SetObjective() - Used in PetscFEIntegrate() - Reworked PetscProblemEnlarge_Static()
DM+DT: Adding Fortran bindings
PetscViewer: Added HDF_VIZ format to names
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PetscSection: Fortran bindings

PetscSection: Allow NULL names

Merge branch 'jed/dmda-memusage'

allocated one more space than needed in indices array

fixed ISLocalToGlobalMappingGetInfo() to handle block and non-block cases

added ISGlobalToLocalMappingApplyBlock() and fixed the ISGlobalToLocalMappingApply() to work for points
added simple test for these

Lisandro gave me this so it must be good

ISLocalToGlobalMappingGetSize() now returns total size, not size associated with blocks
added some Fortran and Fortran 90 interfaces for ISLocalToGlobalMapping

remove DMDAGetGlobalIndices() since handled by DMGetLocalToGlobalMapping() followed by ISLocalToGlobalMappingGetIndices()
fixed cases where bs of ISLocalToGlobalMapping in Mat did not match matrix bl

remove DMDAGetGlobalIndices() since handled by DMGetLocalToGlobalMapping() followed by ISLocalToGlobalMappingGetIndices()
fixed cases where bs of ISLocalToGlobalMapping in Mat did not match matrix block size

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Merge branch 'jed/dmda-memusage'

improve object memory logging for DA, ISLocalToGlobal and ISBLOCK

improved high water mark of DMDASetups by implementing and using PETSC_USE_POINTER for ISCreateBlock()

ISIdentity() was wrong for block IS! Indices are NOT scaled by bs

Merge branch 'knepley/fix-pylith-parallel'

* knepley/fix-pylith-parallel: (22 commits)
DMPlex: In refinement, merge hybrid and non-hybrid SF creation (should be done for everything) - If missing,

Merge branch 'knepley/fix-pylith-parallel'

* knepley/fix-pylith-parallel: (22 commits)
DMPlex: In refinement, merge hybrid and non-hybrid SF creation (should be done for everything) - If missing, define *Max as *End - Fixed bound on hybrid 2D simplicial hybrid cell refinement - Fixes bug in which wrong remote point number was calculated if local process had no hybrid cells, but remote process did so refiners were mismatched
DMPlex: Fix for hybrid refinement - Must correct offsets when neighbor process has no hybrid points
DMPlex: Fix hex hybrid refinement SF - Fixed offset - Fixed number of cell faces - Fixed missing edge offset - Fixed number of cells faces - FIxed missing edge offset
PetscSection: Must initialize remoteOffsets
DMPlex: Fixed cohesive cell creation for clamped boundaries - Explicitly tag cross-edges (edges with two clamped endpoints) with 2 in boundary label - Add cross-edge to vertices when looking for things that need split points replaced - Remove extra check for boundary vertices
DMPlex: Fixes for marking cohesive submesh - Do not mark points as split which are in the boundary label - Mark boundary points from label as unsplit
DMPlex: Changing meaning of boundary label in DMPlexLabelCohesiveComplete() - Now it marks vertices already present in the original label - We mark these as unsplit, and ignore their stars - Remove old code
DMPlex: Fixed stupid typo
DMPlex: Fixed refinement to respect embedded manifolds
DMPlex: Fixed types in DMPlexOrient()
DMPlex: Fixed initialization in DMPlexLabelCohesiveComplete()
DMPlex: Fixed logic in hybrid cell tagging and added missing declaration
DMPlex Fixed huge error with last change set - Default cellHeight is 0
DMPlex: Allow cellHeight argument for DMPlexMarkBoundaryFaces()
DMPlex: Added blabel argument to DMPlexLabelCohesiveComplete() - Lets user designate the boundary of a dividing surface - Added GetSurfaceSize_Static()
DMPlex: Fix for DMPlexOrient() - I was not symmetrizing the orientation graph on processes
DMPlex: Added DMPlexAddConeSize()
DMPlex: Fixed memory overwrite at depth 0 for viewing
PC+Doc: Fixed FieldSplit doc
Sys: Replace Malloc1() in multiple mallocs (fix size)
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removed use of block mapping in moab dxx code and documentation

removed blocked versions of ISLocalToGlobalMapping in Vec and Mat
the single ISLocalToGlobalMapping supports ISLocalToGlobalMappingApply and ISLocalToGlobalMappingApplyBlock
still some fixes need for

removed blocked versions of ISLocalToGlobalMapping in Vec and Mat
the single ISLocalToGlobalMapping supports ISLocalToGlobalMappingApply and ISLocalToGlobalMappingApplyBlock
still some fixes need for these extensive changes

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