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 Key#

-ksp_gmres_cgs_refinement_type <refine_never,refine_ifneeded,refine_always> - type of refinement

See Also#

KSP: Linear System Solvers, KSPGMRES, KSPGMRESSetOrthogonalization(), KSPGMRESCGSRefinementType, KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetCGSRefinementType(), KSPGMRESGetOrthogonalization()

Level#

intermediate

Location#

src/ksp/ksp/impls/gmres/gmres.c

Implementations#

KSPGMRESGetCGSRefinementType_GMRES in src/ksp/ksp/impls/gmres/gmres.c

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Index of all manual pages