PetscSectionSetClosureIndex#
Create an internal data structure to speed up closure queries.
Synopsis#
#include "petscsection.h"   
PetscErrorCode PetscSectionSetClosureIndex(PetscSection section, PetscObject obj, PetscSection clSection, IS clPoints)
Collective
Input Parameters#
- section - The - PetscSection
- obj - A - PetscObjectwhich serves as the key for this index
- clSection - - PetscSectiongiving the size of the closure of each point
- clPoints - - ISgiving the points in each closure
Note#
This function creates an internal map from each point to its closure. We compress out closure points with no dofs in this section.
Developer Notes#
The information provided here is completely opaque
See Also#
PetscSection, PetscSection, PetscSectionGetClosureIndex(), DMPlexCreateClosureIndex()
Level#
advanced
Location#
src/vec/is/section/interface/section.c
Index of all PetscSection routines
Table of Contents for all manual pages
Index of all manual pages