petsc-master 2019-09-20
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DMPlexDistributeOverlap

Add partition overlap to a distributed non-overlapping DM.

Synopsis

#include "petscdmplex.h"   
#include "petscdmlabel.h"  
PetscErrorCode DMPlexDistributeOverlap(DM dm, PetscInt overlap, PetscSF *sf, DM *dmOverlap)
Collective on dm

Input Parameter

dm - The non-overlapping distrbuted DMPlex object
overlap - The overlap of partitions

Output Parameter

sf - The PetscSF used for point distribution
dmOverlap - The overlapping distributed DMPlex object, or NULL

Note: If the mesh was not distributed, the return value is NULL.

The user can control the definition of adjacency for the mesh using DMSetAdjacency(). They should choose the combination appropriate for the function representation on the mesh.

See Also

DMPlexCreate(), DMSetAdjacency()

Level

intermediate

Location

src/dm/impls/plex/plexdistribute.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages