petsc-3.9.4 2018-09-11
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KSPGMRESGetRestart

Gets number of iterations at which GMRES, FGMRES and LGMRES restarts.

Synopsis

#include "petscksp.h"  
PetscErrorCode  KSPGMRESGetRestart(KSP ksp, PetscInt *restart)
Not Collective

Input Parameter

ksp -the Krylov space context

Output Parameter

restart -integer restart value

Note: The default value is 30.

Keywords

KSP, GMRES, restart, iterations

See Also

KSPSetTolerances(), KSPGMRESSetOrthogonalization(), KSPGMRESSetPreAllocateVectors(), KSPGMRESSetRestart()

Level

intermediate

Location

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

Implementations

KSPGMRESGetRestart_FGMRES in src/ksp/ksp/impls/gmres/fgmres/fgmres.c
KSPGMRESGetRestart_GMRES in src/ksp/ksp/impls/gmres/gmres.c

Index of all KSP routines
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Index of all manual pages