MGGetSmoother

Gets the SLES context to be used as smoother for both pre- and post-smoothing. Call both MGGetSmootherUp() and MGGetSmootherDown() to use different functions for pre- and post-smoothing.

Synopsis

#include "petscsles.h" 
#include "petscmg.h"   
int MGGetSmoother(PC pc,int l,SLES *sles)

Not Collective, SLES returned is parallel if PC is

Input Parameters

	pc	- the multigrid context
	l	- the level to supply

Ouput Parameters

sles -the smoother

Keywords

MG, get, multigrid, level, smoother, pre-smoother, post-smoother

Examples