00001 // Vamos - a driving simulator 00002 // Copyright (C) 2003 Sam Varner 00003 // 00004 // This program is free software; you can redistribute it and/or modify 00005 // it under the terms of the GNU General Public License as published by 00006 // the Free Software Foundation; either version 2 of the License, or 00007 // (at your option) any later version. 00008 // 00009 // This program is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 // GNU General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with this program; if not, write to the Free Software 00016 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 00018 #ifndef _CONSTANTS_H_ 00019 #define _CONSTANTS_H_ 00020 00021 #include <cmath> 00022 00023 namespace Vamos_Geometry 00024 { 00025 #ifdef M_PI 00026 const double pi = M_PI; 00027 #else 00028 const double pi = 3.14159265358979323846; 00029 #endif 00030 const double two_pi = 2.0 * pi; 00031 00032 #ifdef M_SQRT2 00033 const double root_2 = M_SQRT2; 00034 #else 00035 const double root_2 = 1.41421356237309504880; 00036 #endif 00037 00038 enum Side { LEFT, RIGHT }; 00039 } 00040 00041 #endif
1.4.6