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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