VecGhostGetLocalForm

Obtains the local ghosted representation of a parallel vector created with VecCreateGhost().

Synopsis

#include "petscvec.h"   
int VecGhostGetLocalForm(Vec g,Vec *l)

Not Collective

Input Parameter

g -the global vector. Vector must be have been obtained with either VecCreateGhost(), VecCreateGhostWithArray() or VecCreateSeq().

Output Parameter

l -the local (ghosted) representation

Notes

This routine does not actually update the ghost values, but rather it returns a sequential vector that includes the locations for the ghost values and their current values. The returned vector and the original vector passed in share the same array that contains the actual vector data.

One should call VecGhostRestoreLocalForm() or VecDestroy() once one is finished using the object.

Examples