PCGAMGSetType#

Set the type of algorithm PCGAMG should use

Synopsis#

#include "petscpc.h" 
#include "petscksp.h" 
PetscErrorCode PCGAMGSetType(PC pc, PCGAMGType type)

Collective

Input Parameters#

pc - the preconditioner context
type - PCGAMGAGG, PCGAMGGEO, or PCGAMGCLASSICAL

Options Database Key#

-pc_gamg_type <agg,geo,classical> - type of algebraic multigrid to apply - only agg is supported

See Also#

the Users Manual section on PCGAMG, the Users Manual section on PCMG, KSP: Linear System Solvers, PCGAMGGetType(), PCGAMG, PCGAMGType

Level#

intermediate

Location#

src/ksp/pc/impls/gamg/gamg.c

Implementations#

PCGAMGSetType_GAMG() in src/ksp/pc/impls/gamg/gamg.c

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