petsc-3.9.2 2018-05-20
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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 on DM

Input Parameter

dm - the DM object
nlevels - the number of levels of coarsening

Output Parameter

dmc -the coarsened DM hierarchy

See Also

DMRefineHierarchy(), DMDestroy(), DMView(), DMCreateGlobalVector(), DMCreateInterpolation()

Level

developer

Location

src/dm/interface/dm.c

Examples

src/ksp/ksp/examples/tutorials/ex42.c.html

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

Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages