PetscSectionSetPermutation#

Sets a permutation of the chart for this section, [0, pEnd - pStart), which determines the order to store the PetscSection information

Synopsis#

#include "petscsection.h"   
PetscErrorCode PetscSectionSetPermutation(PetscSection s, IS perm)

Not Collective

Input Parameters#

Notes#

The permutation must be provided before PetscSectionSetUp().

The data in the PetscSection are permuted but the access via PetscSectionGetFieldOffset() and PetscSectionGetOffset() is not changed

Compart to PetscSectionPermute()

See Also#

Low-level Vector Communication, IS, PetscSection, PetscSectionSetUp(), PetscSectionGetPermutation(), PetscSectionPermute(), PetscSectionCreate()

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