PetscSectionGetClosureInversePermutation#

Get the inverse dof permutation for the closure of each cell in the section, meaning clPerm[oldIndex] = newIndex.

Synopsis#

#include "petscsection.h"   
PetscErrorCode PetscSectionGetClosureInversePermutation(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#

PetscSection, PetscSection, IS, PetscSectionSetClosurePermutation(), PetscSectionGetClosureIndex(), PetscSectionSetClosureIndex(), DMPlexCreateClosureIndex()

Level#

intermediate

Location#

src/vec/is/section/interface/section.c

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Index of all PetscSection routines
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Index of all manual pages