petsc-3.12.5 2020-03-29

DMLocalToLocalBeginDefaultShell

Uses the LocalToLocal VecScatter context set by the user to begin a local to local scatter Collective

Synopsis

#include "petscdmshell.h"  
PetscErrorCode DMLocalToLocalBeginDefaultShell(DM dm,Vec g,InsertMode mode,Vec l)

Input Arguments

	dm	- shell DM
	g	- the original local vector
	mode	- InsertMode

Output Parameter

l -the local vector with correct ghost values

Note: This is not normally called directly by user code, generally user code calls DMLocalToLocalBegin() and DMLocalToLocalEnd(). If the user provides their own custom routines to DMShellSetLocalToLocal() then those routines might have reason to call this function.

Level

advanced

Location