PCMGSetType

Determines the form of multigrid to use, either multiplicative, additive, full, or the Kaskade algorithm.

Synopsis

#include "petscksp.h" 
PetscErrorCode PCMGSetType(PC pc, PCMGType form)

Logically Collective

Input Parameters

• pc - the preconditioner context

• form - multigrid form, one of PC_MG_MULTIPLICATIVE, PC_MG_ADDITIVE, PC_MG_FULL, PC_MG_KASKADE

Options Database Key

• -pc_mg_type

  - Sets , one of multiplicative, additive, full, kaskade

See Also

KSP: Linear System Solvers, PCMGType, PCMG, PCMGGetLevels(), PCMGSetLevels(), PCMGGetType(), PCMGCycleType

Level

advanced

Location

src/ksp/pc/impls/mg/mg.c

Examples

src/ksp/ksp/tutorials/ex42.c
src/ksp/ksp/tutorials/ex35.cxx
src/ksp/ksp/tutorials/ex36.cxx

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Index of all PC routines
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Index of all manual pages