petsc-3.14.6 2021-03-30
PetscSectionGetClosurePermutation
Get the dof permutation for the closure of each cell in the section, meaning clPerm[newIndex] = oldIndex.
Synopsis
#include "petscsection.h"
PetscErrorCode PetscSectionGetClosurePermutation(PetscSection section, PetscObject obj, PetscInt depth, PetscInt clSize, IS *perm)
Not collective
Input Parameters
| section | - The PetscSection
|
| obj | - A PetscObject which serves as the key for this index (usually a DM)
|
| depth | - Depth stratum on which to obtain closure permutation
|
| clSize | - Closure size to be permuted (e.g., may vary with element topology and degree)
|
Output Parameter
| perm | - The dof closure permutation
|
Note
The user must destroy the IS that is returned.
See Also
PetscSectionSetClosurePermutation(), PetscSectionGetClosureInversePermutation(), PetscSectionGetClosureIndex(), PetscSectionSetClosureIndex(), DMPlexCreateClosureIndex()
Level
intermediate
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