TaoGetTolerances#
gets the current values of some tolerances used for the convergence testing of TaoSolve()
Synopsis#
#include "petsctao.h"
PetscErrorCode TaoGetTolerances(Tao tao, PetscReal *gatol, PetscReal *grtol, PetscReal *gttol)
Not Collective
Input Parameter#
tao - the
Tao
context
Output Parameters#
gatol - stop if norm of gradient is less than this
grtol - stop if relative norm of gradient is less than this
gttol - stop if norm of gradient is reduced by a this factor
Note#
NULL
can be used as an argument if not all tolerances values are needed
See Also#
Level#
intermediate
Location#
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages