#include "petscdm.h" #include "petscdmlabel.h" #include "petscds.h" PetscErrorCode DMGetRegionNumDS(DM dm, PetscInt num, DMLabel *label, PetscDS *ds)Not collective
| dm | - The DM | |
| num | - The region number, in [0, Nds) |
| label | - The region label | |
| prob | - The PetscDS defined on the given region |