KSPSetReusePreconditioner#

reuse the current preconditioner, do not construct a new one even if the operator changes

Synopsis#

#include "petscksp.h" 
#include "petscmat.h" 
PetscErrorCode KSPSetReusePreconditioner(KSP ksp, PetscBool flag)

Collective

Input Parameters#

ksp - iterative context obtained from KSPCreate()
flag - PETSC_TRUE to reuse the current preconditioner

See Also#

KSP: Linear System Solvers, KSPCreate(), KSPSolve(), KSPDestroy(), PCSetReusePreconditioner(), KSP

Level#

intermediate

Location#

src/ksp/ksp/interface/itfunc.c

Examples#

src/ksp/ksp/tutorials/ex6f.F90

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