PetscSFCreateRemoteOffsets#

Create offsets for point data on remote processes

Synopsis#

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

Collective

Input Parameters#

sf - The PetscSF
rootSection - Data layout of remote points for outgoing data (this is layout for roots)
leafSection - Data layout of local points for incoming data (this is layout for leaves)

Output Parameter#

remoteOffsets - Offsets for point data on remote processes (these are offsets from the root section), or NULL

Note#

Caller must PetscFree() remoteOffsets if it was requested

Fortran Note#

Use PetscSFDestroyRemoteOffsets() when remoteOffsets is no longer needed.

Level#

developer

Location#

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

Examples#

src/dm/impls/plex/tutorials/ex14f90.F90
src/dm/impls/plex/tutorials/ex14.c

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