# TaoGetTolerances

Gets convergence parameters.

## Synopsis

    #include "tao_solver.h"
    int TaoGetTolerances(TAO_SOLVER tao,double *fatol,double *frtol,double *catol,double *crtol)

Collective on TAO_SOLVER

## Input Parameters

tao -the TAO_SOLVER solver context

## Input Parameters

| fatol | - absolute convergence tolerance
| frtol | - relative convergence tolerance
| catol | - trust region convergence tolerance
| crtol | - convergence of the function evaluates less than this tolerance

## Keywords

options, convergence

## See Also

TaoSetTolerances

Level:advanced
Location:src/interface/tao.c
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