petsc-master 2014-09-18
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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 v, 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

DMPlexVecGetClosure(), DMPlexVecRestoreClosure(), DMPlexVecSetClosure(), DMPlexMatSetClosure()

Level:intermediate
Location:
src/dm/impls/plex/plexindices.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex62.c.html