PETSc version 3.17.5
DMGetRegionDS
Get the PetscDS for a given mesh region, defined by a DMLabel
Synopsis
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
PetscErrorCode DMGetRegionDS(DM dm, DMLabel label, IS *fields, PetscDS *ds)
Not collective
Input Parameters
| dm | - The DM
|
| label | - The DMLabel defining the mesh region, or NULL for the entire mesh
|
Output Parameters
| fields | - The IS containing the DM field numbers for the fields in this DS, or NULL
|
| prob | - The PetscDS defined on the given region, or NULL
|
Note
If a non-NULL label is given, but there is no PetscDS on that specific label,
the PetscDS for the full domain (if present) is returned. Returns with
fields=NULL and prob=NULL if there is no PetscDS for the full domain.
See Also
DMGetRegionNumDS(), DMSetRegionDS(), DMGetDS(), DMGetCellDS()
Level
advanced
Location
src/dm/interface/dm.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages