petsc-3.3-p7 2013-05-11

DMGetDefaultSF

Get the PetscSF encoding the parallel dof overlap for the DM. If it has not been set, it is created from the default PetscSection layouts in the DM.

#include "petscdm.h"     
PetscErrorCode DMGetDefaultSF(DM dm, PetscSF *sf)

dm -The DM

sf -The PetscSF

Note: This gets a borrowed reference, so the user should not destroy this PetscSF.