DMPlexCreateClosureIndex

Calculate an index for the given PetscSection for the closure operation on the DM

Synopsis

#include "petscdmplex.h"   
PetscErrorCode DMPlexCreateClosureIndex(DM dm, PetscSection section)

Not Collective

Input Parameters

• dm - The DM

• section - The section describing the layout in the local vector, or NULL to use the default section

Note

This should greatly improve the performance of the closure operations, at the cost of additional memory.

See Also

DMPlex: Unstructured Grids, DM, DMPLEX, PetscSection, DMPlexVecGetClosure(), DMPlexVecRestoreClosure(), DMPlexVecSetClosure(), DMPlexMatSetClosure()

Level

intermediate

Location

src/dm/impls/plex/plexindices.c

Examples

src/ts/tutorials/ex77.c
src/snes/tutorials/ex62.c
src/snes/tutorials/ex71.c
src/snes/tutorials/ex76.c
src/snes/tutorials/ex69.c
src/ts/tutorials/ex46.c
src/snes/tutorials/ex63.c
src/snes/tutorials/ex77.c
src/ts/tutorials/ex76.c

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Index of all DMPlex routines
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Index of all manual pages