KSPGMRESSetBreakdownTolerance#
Sets tolerance for determining divergence breakdown in GMRES.
Synopsis#
#include "petscksp.h"
PetscErrorCode KSPGMRESSetBreakdownTolerance(KSP ksp, PetscReal tol)
Logically Collective on ksp
Input Parameters#
ksp - the Krylov space context
tol - the tolerance
Options Database#
-ksp_gmres_breakdown_tolerance
- set tolerance for determining divergence breakdown
Note: divergence breakdown occurs when GMRES residual increases significantly during restart
See Also#
Level#
intermediate
Location#
Implementations#
KSPGMRESSetBreakdownTolerance_GMRES in src/ksp/ksp/impls/gmres/gmres.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages