petsc-3.11.4 2019-09-28
DMPlexPointGlobalFieldRead
return read access to a field on a point in global array
Synopsis
#include "petscdmplex.h"
PetscErrorCode DMPlexPointGlobalFieldRead(DM dm,PetscInt point,PetscInt field,const 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 read reference to point data, type generic so user can place in structure; returns NULL if global point is not owned
See Also
DMGetSection(), PetscSectionGetOffset(), PetscSectionGetDof(), DMPlexGetPointGlobal(), DMPlexPointLocalRead(), DMPlexPointGlobalRef()
Level
intermediate
Location
src/dm/impls/plex/plexpoint.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages