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 index

  • clSection - PetscSection giving the size of the closure of each point

  • clPoints - 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 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