petsc-3.13.6 2020-09-29
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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 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
DMPlexVecGetClosure
(),
DMPlexVecRestoreClosure
(),
DMPlexVecSetClosure
(),
DMPlexMatSetClosure
()
Level
intermediate
Location
src/dm/impls/plex/plexindices.c
Examples
src/snes/tutorials/ex62.c.html
src/snes/tutorials/ex77.c.html
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages