petsc-master 2020-10-29
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KSPConvergedDefaultSetConvergedMaxits

allows the default convergence test to declare convergence and return KSP_CONVERGED_ITS if the maximum number of iterations is reached

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPConvergedDefaultSetConvergedMaxits(KSP ksp, PetscBool flg)
Collective on ksp

Input Parameters

ksp - iterative context
flg - boolean flag

Options Database

-ksp_converged_maxits

Use KSPSetTolerances() to alter the defaults for rtol, abstol, dtol.

The precise values of reason are macros such as KSP_CONVERGED_RTOL, which are defined in petscksp.h.

See Also

KSPSetConvergenceTest(), KSPSetTolerances(), KSPConvergedSkip(), KSPConvergedReason, KSPGetConvergedReason(), KSPConvergedDefaultSetUMIRNorm(), KSPConvergedDefaultSetUIRNorm()

Level

intermediate

Location

src/ksp/ksp/interface/iterativ.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages