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