#include "petscdm.h" #include "petscdmlabel.h" #include "petscds.h" PetscErrorCode DMSetRegionNumDS(DM dm, PetscInt num, DMLabel label, IS fields, PetscDS ds)Not collective
| dm | - The DM | |
| num | - The region number, in [0, Nds) | |
| label | - The region label, or NULL | |
| fields | - The IS containing the DM field numbers for the fields in this DS, or NULL to prevent setting | |
| ds | - The PetscDS defined on the given region, or NULL to prevent setting |