Logo ROOT  
Reference Guide
Loading...
Searching...
No Matches
GSLRootHelper.cxx
Go to the documentation of this file.
1// @(#)root/mathmore:$Id$
2// Authors: L. Moneta, A. Zsenei 08/2005
3
4 /**********************************************************************
5 * *
6 * Copyright (c) 2004 ROOT Foundation, CERN/PH-SFT *
7 * *
8 * This library is free software; you can redistribute it and/or *
9 * modify it under the terms of the GNU General Public License *
10 * as published by the Free Software Foundation; either version 2 *
11 * of the License, or (at your option) any later version. *
12 * *
13 * This library is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16 * General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this library (see file COPYING); if not, write *
20 * to the Free Software Foundation, Inc., 59 Temple Place, Suite *
21 * 330, Boston, MA 02111-1307 USA, or contact the author. *
22 * *
23 **********************************************************************/
24
25// Implementation file for class GSLRootHelper
26//
27// Created by: moneta at Sun Nov 14 21:34:15 2004
28//
29// Last update: Sun Nov 14 21:34:15 2004
30//
31
32#include "Math/GSLRootHelper.h"
33
34#include "gsl/gsl_roots.h"
35
36namespace ROOT {
37namespace Math {
38
39 namespace GSLRootHelper {
40
41
42 int TestInterval(double xlow, double xup, double epsAbs, double epsRel) {
43
44 return gsl_root_test_interval( xlow, xup, epsAbs, epsRel);
45 }
46
47 int TestDelta(double x1, double x0, double epsAbs, double epsRel) {
48 // be careful is inverted with respect to GSL (don't know why )
49 return gsl_root_test_delta( x1, x0, epsRel, epsAbs);
50 }
51
52 int TestResidual(double f, double epsAbs) {
53
54 return gsl_root_test_residual( f, epsAbs);
55 }
56
57 }
58
59} // namespace Math
60} // namespace ROOT
#define f(i)
Definition RSha256.hxx:104
Helper functions to test convergence of Root-Finding algorithms.
int TestInterval(double xlow, double xup, double epsAbs, double epsRel)
int TestResidual(double f, double epsAbs)
int TestDelta(double x1, double x0, double epsAbs, double epsRel)