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GSLRootHelper.h
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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 // Header 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 #ifndef ROOT_Math_GSLRootHelper
32 #define ROOT_Math_GSLRootHelper
33 
34 
35 namespace ROOT {
36 namespace Math {
37 
38 
39  /**
40  Helper functions to test convergence of Root-Finding algorithms.
41  Used by ROOT::Math::RootFinder class (see there for the doc)
42  */
43 
44 
45  namespace GSLRootHelper {
46 
47  int TestInterval(double xlow, double xup, double epsAbs, double epsRel);
48 
49  int TestDelta(double x1, double x0, double epsAbs, double epsRel);
50 
51  int TestResidual(double f, double epsAbs);
52 
53  }
54 
55 } // namespace Math
56 } // namespace ROOT
57 
58 
59 #endif /* ROOT_Math_GSLRootHelper */
Namespace for new ROOT classes and functions.
Definition: StringConv.hxx:21
int TestInterval(double xlow, double xup, double epsAbs, double epsRel)
int TestResidual(double f, double epsAbs)
static const double x1[5]
int TestDelta(double x1, double x0, double epsAbs, double epsRel)
Namespace for new Math classes and functions.