petsc-3.6.4 2016-04-12
KSPGetTolerances
Gets the relative, absolute, divergence, and maximum iteration tolerances used by the default KSP convergence tests.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGetTolerances(KSP ksp,PetscReal *rtol,PetscReal *abstol,PetscReal *dtol,PetscInt *maxits)
Not Collective
Input Parameter
ksp -the Krylov subspace context
Output Parameters
| rtol | - the relative convergence tolerance
|
| abstol | - the absolute convergence tolerance
|
| dtol | - the divergence tolerance
|
| maxits | - maximum number of iterations
|
Notes
The user can specify NULL for any parameter that is not needed.
Keywords
KSP, get, tolerance, absolute, relative, divergence, convergence,
maximum, iterations
See Also
KSPSetTolerances()
Level:intermediate
Location:src/ksp/ksp/interface/itfunc.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/snes/examples/tutorials/ex74f.F90.html