PCGAMGSetNlevels#

Sets the maximum number of levels PCGAMG will use

Synopsis#

#include "petscpc.h" 
#include "petscksp.h" 
PetscErrorCode PCGAMGSetNlevels(PC pc, PetscInt n)

Not Collective

Input Parameters#

  • pc - the preconditioner

  • n - the maximum number of levels to use

Options Database Key#

  • -pc_mg_levels - set the maximum number of levels to allow

Developer Notes#

Should be called PCGAMGSetMaximumNumberlevels() and possible be shared with PCMG

See Also#

KSP: Linear System Solvers, PCGAMG

Level#

intermediate

Location#

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

Implementations#

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

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