petsc-3.7.7 2017-09-25
   
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
Input Parameters
|  | ksp | - the Krylov space context | 
|  | type | - the type of refinement | 
Options Database
-ksp_gmres_cgs_refinement_type <refine_never,refine_ifneeded,refine_always> -
Keywords
 KSP, GMRES, iterative refinement
See Also
 KSPGMRESSetOrthogonalization(), KSPGMRESCGSRefinementType, KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESGetCGSRefinementType(),
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