DMGetRegionNumDS#

Get the PetscDS for a given mesh region, defined by the region number

Synopsis#

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMGetRegionNumDS(DM dm, PetscInt num, DMLabel *label, IS *fields, PetscDS *ds)

Not collective

Input Parameters#

  • dm - The DM

  • num - The region number, in [0, Nds)

Output Parameters#

  • label - The region label, or NULL

  • fields - The IS containing the DM field numbers for the fields in this DS, or NULL

  • ds - The PetscDS defined on the given region, or NULL

See Also#

DMGetRegionDS(), DMSetRegionDS(), DMGetDS(), DMGetCellDS()

Level#

advanced

Location#

src/dm/interface/dm.c

Examples#

src/snes/tutorials/ex23.c.html
src/ts/tutorials/ex53.c.html


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