PetscSFDistributeSection#

Create a new PetscSection reorganized, moving from the root to the leaves of the PetscSF

Synopsis#

#include "petscsf.h"   
PetscErrorCode PetscSFDistributeSection(PetscSF sf, PetscSection rootSection, PetscInt *remoteOffsets[], PetscSection leafSection)

Collective

Input Parameters#

sf - The PetscSF
rootSection - Section defined on root space

Output Parameters#

remoteOffsets - root offsets in leaf storage, or NULL, its length will be the size of the chart of leafSection
leafSection - Section defined on the leaf space

Note#

Caller must PetscFree() remoteOffsets if it was requested

Fortran Note#

Use PetscSFDestroyRemoteOffsets() when remoteOffsets is no longer needed.

Level#

advanced

Location#

src/vec/is/sf/utils/sfutils.c

Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages