PETSc version 3.15.5
PCMGGetSmootherDown
Gets the KSP context to be used as smoother before coarse grid correction (pre-smoother). 
Synopsis
#include "petscksp.h" 
PetscErrorCode  PCMGGetSmootherDown(PC pc,PetscInt l,KSP *ksp)
Not Collective, KSP returned is parallel if PC is
Input Parameters
|  | pc | - the multigrid context | 
|  | l | - the level (0 is coarsest) to supply | 
Ouput Parameters
Notes
calling this will result in a different pre and post smoother so you may need to
set options on the post smoother also
See Also
 PCMGGetSmootherUp(), PCMGGetSmoother()
Level
advanced
Location
src/ksp/pc/impls/mg/mgfunc.c
Examples
src/snes/tutorials/ex12.c.html
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages