petsc-3.12.5 2020-03-29
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PCHMGSetUseSubspaceCoarsening
Use subspace coarsening in HMG
Synopsis
#include "petscpc.h"
PetscErrorCode
PCHMGSetUseSubspaceCoarsening
(
PC
pc,
PetscBool
subspace)
Logically Collective on
PC
Input Parameters
pc
- the HMG context
reuse
- True indicates that HMG will use the subspace coarsening
Options Database Keys
-pc_hmg_use_subspace_coarsening <true | false>
-Whether or not to use subspace coarsening (that is, coarsen a submatrix).
Keywords
HMG, multigrid, interpolation, subspace, coarsening
See Also
PCHMG
Level
beginner
Location
src/ksp/pc/impls/hmg/hmg.c
Examples
src/ksp/ksp/examples/tutorials/ex4.c.html
Implementations
PCHMGSetUseSubspaceCoarsening_HMG in src/ksp/pc/impls/hmg/hmg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages