petsc-3.7.1 2016-05-15
KSPGMRESSetCGSRefinementType
Sets the type of iterative refinement to use in the classical Gram Schmidt orthogonalization.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGMRESSetCGSRefinementType(KSP ksp,KSPGMRESCGSRefinementType type)
Logically Collective on KSP Many br
Input Parameters
| ksp | - the Krylov space context Many br |
| type | - the type of refinement Many br |
Options Database
-ksp_gmres_cgs_refinement_type <never,ifneeded,always> - Many br Many br
Keywords
KSP, GMRES, iterative refinement
See Also
KSPGMRESSetOrthogonalization(), KSPGMRESCGSRefinementType, KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESGetCGSRefinementType(),
KSPGMRESGetOrthogonalization() Many br
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