petsc-3.7.7 2017-09-25
   
PCMGSetNumberSmoothDown
Sets the number of pre-smoothing steps to use on all levels. Use PCMGGetSmootherDown() to set different pre-smoothing steps on different levels. 
Synopsis
#include "petscksp.h" 
PetscErrorCode  PCMGSetNumberSmoothDown(PC pc,PetscInt n)
Logically Collective on PC
Input Parameters
|  | mg | - the multigrid context | 
|  | n | - the number of smoothing steps | 
Options Database Key
-pc_mg_smoothdown <n>  -Sets number of pre-smoothing steps
Keywords
 MG, smooth, down, pre-smoothing, steps, multigrid
See Also
 PCMGSetNumberSmoothUp()
Level:advanced
Location:src/ksp/pc/impls/mg/mg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages