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(), KSPGetTotalIterations()

Level#

intermediate

Location#

src/ksp/ksp/interface/iterativ.c

Examples#

src/ksp/ksp/tutorials/ex11.c
src/ksp/pc/tutorials/ex2.c
src/ksp/ksp/tutorials/ex9.c
src/ksp/pc/tutorials/ex3.c
src/ksp/ksp/tutorials/ex21.c
src/ksp/ksp/tutorials/ex12.c
src/ksp/pc/tutorials/ex1.c
src/ksp/ksp/tutorials/ex55.c
src/ksp/ksp/tutorials/ex23.c
src/ksp/ksp/tutorials/ex5.c


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