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extremetuxracer  0.5beta
defs.h
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00001 /* 
00002  * Copyright (C) 2004-2005 Volker Stroebel <volker@planetpenguin.de>
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License
00006  * as published by the Free Software Foundation; either version 2
00007  * of the License, or (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  
00019 #ifndef _PP_DEFS_H
00020 #define _PP_DEFS_H
00021 
00022 #ifndef M_PI
00023 #   define M_PI 3.1415926535
00024 #endif
00025 
00026 #define MIN(x,y) ((x)<(y)?(x):(y))
00027 #define MAX(x,y) ((x)>(y)?(x):(y))
00028 
00029 #define EPS 1e-13
00030 
00031 #define ROUND_TO_NEAREST(x) ( (int) ((x)+0.5) )
00032 
00033 #define ANGLES_TO_RADIANS(x) ( M_PI / 180.0 * (x) )
00034 #define RADIANS_TO_ANGLES(x) ( 180.0 / M_PI * (x) )
00035 
00036 #endif // PP_DEFS_H