KSPGetIterationNumber#

Gets the current iteration number; if the KSPSolve() is complete, returns the number of iterations used.

Synopsis#

#include "petscksp.h" 
PetscErrorCode KSPGetIterationNumber(KSP ksp, PetscInt *its)

Not Collective

Input Parameter#

ksp - the iterative context

Output Parameter#

its - number of iterations

Note#

During the ith iteration this returns i-1

See Also#

KSP: Linear System Solvers, KSP, KSPGetResidualNorm(), KSPBuildResidual(), KSPGetResidualNorm(), KSPGetTotalIterations()

Level#

intermediate

Location#

src/ksp/ksp/interface/iterativ.c

Examples#

src/ksp/ksp/tutorials/bench_kspsolve.c
src/ksp/ksp/tutorials/ex1.c
src/ksp/ksp/tutorials/ex11.c
src/ksp/ksp/tutorials/ex11f.F90
src/ksp/ksp/tutorials/ex12.c
src/ksp/ksp/tutorials/ex14f.F90
src/ksp/ksp/tutorials/ex15.c
src/ksp/ksp/tutorials/ex15f.F90
src/ksp/ksp/tutorials/ex16.c
src/ksp/ksp/tutorials/ex18.c
src/ksp/ksp/tutorials/ex19.c

Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages