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

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Index of all KSP routines
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Index of all manual pages