petsc-3.6.1 2015-08-06
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