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glc_utils_maths.h
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1 /****************************************************************************
2 
3  This file is part of the GLC-lib library.
4  Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
5  http://glc-lib.sourceforge.net
6 
7  GLC-lib is free software; you can redistribute it and/or modify
8  it under the terms of the GNU Lesser General Public License as published by
9  the Free Software Foundation; either version 3 of the License, or
10  (at your option) any later version.
11 
12  GLC-lib is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  GNU Lesser General Public License for more details.
16 
17  You should have received a copy of the GNU Lesser General Public License
18  along with GLC-lib; if not, write to the Free Software
19  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 
21 *****************************************************************************/
23 
25 #ifndef GLC_UTILS_MATHS_H_
26 #define GLC_UTILS_MATHS_H_
27 
28 // Standard C math library
29 #include <math.h>
30 namespace glc
31 {
35  const double EPSILON= 1e-10;
36 
39  const double PI= acos(-1.0);
40 
42  inline double toRadian(double angleInDegrees)
43  {return PI * angleInDegrees / 180.0;}
44 
46  inline double toDegrees(double angleInRadians)
47  {return 180.0 * angleInRadians / PI;}
48 }
49 
50 #endif /*GLC_UTILS_MATHS_H_*/

©2005-2013 Laurent Ribon