00001 /*************************************************************************** 00002 * Copyright (C) 2005-2008 by the FIFE team * 00003 * http://www.fifengine.de * 00004 * This file is part of FIFE. * 00005 * * 00006 * FIFE is free software; you can redistribute it and/or * 00007 * modify it under the terms of the GNU Lesser General Public * 00008 * License as published by the Free Software Foundation; either * 00009 * version 2.1 of the License, or (at your option) any later version. * 00010 * * 00011 * This library is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00014 * Lesser General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU Lesser General Public * 00017 * License along with this library; if not, write to the * 00018 * Free Software Foundation, Inc., * 00019 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * 00020 ***************************************************************************/ 00021 00022 #ifndef FIFE_UTIL_FIFE_MATH_H 00023 #define FIFE_UTIL_FIFE_MATH_H 00024 00025 // Standard C++ library includes 00026 #include <cmath> 00027 00028 // Platform specific includes 00029 00030 // 3rd party library includes 00031 00032 // FIFE includes 00033 // These includes are split up in two parts, separated by one empty line 00034 // First block: files included from the FIFE root src directory 00035 // Second block: files included from the same folder 00036 00037 00038 // Sort out the missing round function in MSVC: 00039 #if defined( WIN32 ) && defined( _MSC_VER ) 00040 inline double round(const double x) { 00041 return x < 0.0 ? ceil(x - 0.5) : floor(x + 0.5); 00042 } 00043 #endif 00044 00045 #ifndef ABS 00046 #define ABS(x) ((x)<0?-(x):(x)) 00047 00048 #endif 00049 00050 #ifndef M_PI 00051 #define M_PI 3.14159265358979323846 00052 00053 #endif 00054 00055 #endif // FIFE_UTIL_FIFE_MATH_H