#include "petscdm.h" #include "petscdmlabel.h" #include "petscds.h" PetscErrorCode DMCoarsen(DM dm, MPI_Comm comm, DM *dmc)Collective on dm
| dm | - the DM object | |
| comm | - the communicator to contain the new DM object (or MPI_COMM_NULL) |
| dmc | - the coarsened DM |