petsc-3.14.6 2021-03-30
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 on ksp
Input Parameters
| ksp | - iterative context obtained from KSPCreate()
|
| flag | - PETSC_TRUE to reuse the current preconditioner
|
See Also
KSPCreate(), KSPSolve(), KSPDestroy(), PCSetReusePreconditioner(), KSP
Level
intermediate
Location
src/ksp/ksp/interface/itfunc.c
Examples
src/ksp/ksp/tutorials/ex6f.F90.html
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages