SNESFASFullSetDownSweep

Smooth during the initial downsweep for SNESFAS

#include "petscsnes.h"  
PetscErrorCode SNESFASFullSetDownSweep(SNES snes,PetscBool swp)

Logically Collective on SNES

	snes	- the multigrid context
	swp	- whether to downsweep or not

-snes_fas_full_downsweep

- Sets number of pre-smoothing steps

advanced