SNESLineSearchSetTolerances#
Sets the tolerances for the linesearch.
Synopsis#
#include "petscsnes.h"
PetscErrorCode SNESLineSearchSetTolerances(SNESLineSearch linesearch, PetscReal steptol, PetscReal maxstep, PetscReal rtol, PetscReal atol, PetscReal ltol, PetscInt max_its)
Collective
Input Parameters#
linesearch - linesearch context
steptol - The minimum steplength
maxstep - The maximum steplength
rtol - The relative tolerance for iterative line searches
atol - The absolute tolerance for iterative line searches
ltol - The change in lambda tolerance for iterative line searches
max_its - The maximum number of iterations of the line search
Note#
The user may choose to not set any of the tolerances using PETSC_DEFAULT
in
place of an argument.
See Also#
Level#
intermediate
Location#
src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages