petsc-3.14.6 2021-03-30
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PCGAMGASMSetUseAggs

 Have the PCGAMG smoother on each level use the aggregates defined by the coarsening process as the subdomains for the additive Schwarz preconditioner.

Synopsis

#include "petscpc.h" 
#include "petscksp.h" 
PetscErrorCode PCGAMGASMSetUseAggs(PC pc, PetscBool flg)
Collective on PC

Input Parameters

pc - the preconditioner context
flg - PETSC_TRUE to use aggregates, PETSC_FALSE to not

Options Database Key

-pc_gamg_asm_use_agg

See Also

()

Level

intermediate

Location

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

Implementations

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

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