petsc-master 2019-09-18
Report Typos and Errors

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