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
PetscObject
which serves as the key for this indexclSection -
PetscSection
giving the size of the closure of each pointclPoints -
IS
giving 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 Note#
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