petsc-3.7.5 2017-01-01
DMPlexPointGlobalFieldRef
return read/write access to a field on a point in global array
Synopsis
#include "petscdmplex.h"
PetscErrorCode DMPlexPointGlobalFieldRef(DM dm,PetscInt point,PetscInt field,PetscScalar *array,void *ptr)
Not Collective
Input Arguments
| dm | - DM defining topological space
|
| point | - topological point
|
| field | - field number
|
| array | - array to index into
|
Output Arguments
ptr -address of reference to point data, type generic so user can place in structure; returns NULL if global point is not owned
See Also
DMGetDefaultSection(), PetscSectionGetOffset(), PetscSectionGetDof(), DMPlexGetPointGlobal(), DMPlexPointLocalRef(), DMPlexPointGlobalRead()
Level:intermediate
Location:src/dm/impls/plex/plexpoint.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages