PCHMGSetInnerPCType#

Set an inner PC type to be used in the PCHMG preconditioner. That is the method used to compute the hierarchy of restriction operators.

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCHMGSetInnerPCType(PC pc, PCType type)

Logically Collective

Input Parameters#

pc - the PCHMG context
type - PCHYPRE or PCGAMG coarsening algorithm

Options Database Key#

-hmg_inner_pc_type <hypre, gamg> - What method is used to coarsen matrix

See Also#

KSP: Linear System Solvers, PCHMG, PCType, PCHMGSetReuseInterpolation(), PCHMGSetUseSubspaceCoarsening(), PCHMGSetCoarseningComponent()

Level#

beginner

Location#

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

Examples#

src/ksp/ksp/tutorials/ex4.c

Implementations#

PCHMGSetInnerPCType_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