#ifndef __BTANKS_MINMAX_H__
#define __BTANKS_MINMAX_H__

/* Battle Tanks Game
 * Copyright (C) 2006-2007 Battle Tanks team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
#include <assert.h>

namespace math {

template <typename T>
	inline const T max(const T a, const T b) {
		return (a > b)?a:b;
	}

template <typename T>
	inline const T min(const T a, const T b) {
		return (a < b)?a:b;
	}

template <typename T> 
	inline void exchange(T &a, T &b) {
		T c = a;
		a = b;
		b = c;
	}

template <typename T> 
	inline T reduce(const T a, const T b) {
		assert(b >= 0);
		return (a >= 0)? 
			((a >= b)?a - b:(T)0): 
			((a <= b)?a + b:(T)0);
	}
}

#endif
