DMForestSetAdaptivityForest#

During the pre-setup phase, set the forest from which the current forest will be adapted (e.g., the current forest will be refined/coarsened/repartitioned from it) in DMSetUp(). Usually not needed by users directly: DMForestTemplate() constructs a new forest to be adapted from an old forest and calls this routine.

Synopsis#

#include "petscdmforest.h" 
#include "petscdm.h" 
#include "petscdmlabel.h" 
PetscErrorCode DMForestSetAdaptivityForest(DM dm, DM adapt)

Logically Collective

Input Parameters#

  • dm - the new forest, which will be constructed from adapt

  • adapt - the old forest

Note#

This can be called after setup with adapt = NULL, which will clear all internal data related to the adaptivity forest from dm. This way, repeatedly adapting does not leave stale DM objects in memory.

See Also#

DM, DMFOREST, DMForestGetAdaptivityForest(), DMForestSetAdaptivityPurpose()

Level#

intermediate

Location#

src/dm/impls/forest/forest.c

Examples#

src/ts/tutorials/ex11.c


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