petsc-3.5.4 2015-05-23
KSPGMRESGetCGSRefinementType
Gets the type of iterative refinement to use in the classical Gram Schmidt orthogonalization.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGMRESGetCGSRefinementType(KSP ksp,KSPGMRESCGSRefinementType *type)
Not Collective
Input Parameter
ksp -the Krylov space context
Output Parameter
type -the type of refinement
Options Database
-ksp_gmres_cgs_refinement_type <never,ifneeded,always> -
Keywords
KSP, GMRES, iterative refinement
See Also
KSPGMRESSetOrthogonalization(), KSPGMRESCGSRefinementType, KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetCGSRefinementType(),
KSPGMRESGetOrthogonalization()
Level:intermediate
Location:src/ksp/ksp/impls/gmres/gmres.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages