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

Output Parameter

• ksp - the smoother

Note

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

KSP: Linear System Solvers, PCMG, 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