#include "petscdm.h" #include "petscdmlabel.h" #include "petscds.h" PetscErrorCode DMGetLabelSize(DM dm, const char name[], PetscInt *size)Not Collective
| dm | - The DM object | |
| name | - The label name |
| size | - The number of different integer ids, or 0 if the label does not exist |