petsc-master 2020-10-26
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PCHMGSetCoarseningComponent

Set which component is used for the subspace-based coarsening algorithm

Synopsis

#include "petscpc.h" 
PetscErrorCode PCHMGSetCoarseningComponent(PC pc, PetscInt component)
Logically Collective on PC

Input Parameters

pc - the HMG context
component - which component PC will coarsen

Options Database Keys

-pc_hmg_coarsening_component - Which component is chosen for the subspace-based coarsening algorithm

Keywords

HMG, multigrid, interpolation, coarsening, component

See Also

PCHMG, PCType

Level

beginner

Location

src/ksp/pc/impls/hmg/hmg.c

Examples

src/ksp/ksp/tutorials/ex4.c.html

Implementations

PCHMGSetCoarseningComponent_HMG in src/ksp/pc/impls/hmg/hmg.c

Index of all PC routines
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Index of all manual pages