PCGAMGASMSetHEM#

Sets the number of HEM matching passed

Synopsis#

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

Collective

Input Parameters#

  • pc - the preconditioner

  • n - number of HEM matching passed to construct ASM subdomains

Options Database Key#

  • -pc_gamg_asm_hem - set the number of HEM matching passed

Developer Notes#

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

See Also#

the Users Manual section on PCGAMG, the Users Manual section on PCMG, KSP: Linear System Solvers, PCGAMG

Level#

intermediate

Location#

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

Examples#

src/snes/tutorials/ex56.c

Implementations#

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


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