petsc-3.12.0 2019-09-29
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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

DMGetLocalSection(), 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