petsc-3.12.5 2020-03-29
PCMGGetSmootherUp
Gets the KSP context to be used as smoother after coarse grid correction (post-smoother).
Synopsis
#include "petscksp.h"
PetscErrorCode PCMGGetSmootherUp(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
ksp -the smoother
Notes
calling this will result in a different pre and post smoother so you may need to
set options on the pre smoother also
See Also
PCMGGetSmootherUp(), PCMGGetSmootherDown()
Level
advanced
Location
src/ksp/pc/impls/mg/mgfunc.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages