KSPBCGSLSetPol#

Sets the type of polynomial part that will be used in the KSPCBGSL solver.

Synopsis#

#include "petscksp.h" 
PetscErrorCode KSPBCGSLSetPol(KSP ksp, PetscBool uMROR)

Logically Collective

Input Parameters#

ksp - iterative context of type KSPCBGSL
uMROR - set to PETSC_TRUE when the polynomial is a convex combination of an MR and an OR step.

Options Database Keys#

-ksp_bcgsl_cxpoly - use enhanced polynomial
-ksp_bcgsl_mrpoly - use standard polynomial

See Also#

KSP: Linear System Solvers, KSP, KSPBCGSL, KSPCreate(), KSPSetType(), KSPCBGSL, KSPBCGSLSetUsePseudoinverse(), KSPBCGSLSetEll(), KSPBCGSLSetXRes()

Level#

intermediate

Location#

src/ksp/ksp/impls/bcgsl/bcgsl.c

Index of all KSP routines
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Index of all manual pages