PetscSectionPermute#

Reorder the section according to the input point permutation

Synopsis#

#include "petscsection.h"   
PetscErrorCode PetscSectionPermute(PetscSection section, IS permutation, PetscSection *sectionNew)

Collective

Input Parameters#

section - The PetscSection object
perm - The point permutation, old point p becomes new point perm[p]

Output Parameter#

sectionNew - The permuted PetscSection

Note#

The data and the access to the data via PetscSectionGetFieldOffset() and PetscSectionGetOffset() are both changed in sectionNew

Compare to PetscSectionSetPermutation()

See Also#

PetscSection, IS, PetscSection, MatPermute(), PetscSectionSetPermutation()

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