petsc-3.13.6 2020-09-29
DMPlexSetAdjacencyUser
Define adjacency in the mesh using a user-provided callback
Synopsis
#include "petscdmplex.h"
#include "petscdmlabel.h"
PetscErrorCode DMPlexSetAdjacencyUser(DM dm,PetscErrorCode (*user)(DM,PetscInt,PetscInt*,PetscInt[],void*),void *ctx)
Input Parameters
| dm | - The DM object
|
| user | - The user callback, may be NULL (to clear the callback)
|
| ctx | - context for callback evaluation, may be NULL
|
Notes
The caller of DMPlexGetAdjacency may need to arrange that a large enough array is available for the adjacency.
Any setting here overrides other configuration of DMPlex adjacency determination.
See Also
DMSetAdjacency(), DMPlexDistribute(), DMPlexPreallocateOperator(), DMPlexGetAdjacency(), DMPlexGetAdjacencyUser()
Level
advanced
Location
src/dm/impls/plex/plexdistribute.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages