petsc-3.7.3 2016-07-24
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# 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

### Keywords

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

### 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