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 Parameters#

  • dm - DM defining topological space

  • point - topological point

  • field - field number

  • array - array to index into

Output Parameter#

  • 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#

DMPlex: Unstructured Grids, DM, DMPLEX, DMGetLocalSection(), PetscSectionGetOffset(), PetscSectionGetDof(), DMPlexGetPointGlobal(), DMPlexPointLocalRef(), DMPlexPointGlobalRead()

Level#

intermediate

Location#

src/dm/impls/plex/plexpoint.c

Examples#

src/ts/tutorials/ex18.c


Index of all DMPlex routines
Table of Contents for all manual pages
Index of all manual pages