petsc-3.13.6 2020-09-29

KSPGMRESSetCGSRefinementType

Sets the type of iterative refinement to use in the classical Gram Schmidt orthogonalization.

#include "petscksp.h"  
PetscErrorCode  KSPGMRESSetCGSRefinementType(KSP ksp,KSPGMRESCGSRefinementType type)

Logically Collective on ksp

	ksp	- the Krylov space context
	type	- the type of refinement

-ksp_gmres_cgs_refinement_type <refine_never,refine_ifneeded,refine_always> -

intermediate