DMCoarsenHierarchy

Coarsens a DM object, all levels at once

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMCoarsenHierarchy(DM dm, PetscInt nlevels, DM dmc[])

Collective

Input Parameters

• dm - the DM object

• nlevels - the number of levels of coarsening

Output Parameter

• dmc - the coarsened DM hierarchy

See Also

DM Basics, DM, DMCoarsen(), DMRefineHierarchy(), DMDestroy(), DMView(), DMCreateGlobalVector(), DMCreateInterpolation()

Level

developer

Location

src/dm/interface/dm.c

Examples

src/ksp/ksp/tutorials/ex42.c

Implementations

DMCoarsenHierarchy_DA() in src/dm/impls/da/da.c
DMCoarsenHierarchy_Moab() in src/dm/impls/moab/dmmbmg.cxx
DMCoarsenHierarchy_Plex() in src/dm/impls/plex/plexcoarsen.c

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