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 in PETSc, DM, DMPLEX, PetscSection, DMPlexVecGetClosure(), DMPlexVecRestoreClosure(), DMPlexVecSetClosure(), DMPlexMatSetClosure()

Level#

intermediate

Location#

src/dm/impls/plex/plexindices.c

Examples#

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


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