flexlay/lib/math.hpp

//  Flexlay - A Generic 2D Game Editor
//  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
//
//  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 3 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, see <http://www.gnu.org/licenses/>.

#ifndef HEADER_FLEXLAY_MATH_HPP
#define HEADER_FLEXLAY_MATH_HPP

namespace Math {

template<class T>
T min (const T& a, const T& b)
{
  if (a < b)
    return a;
  else
    return b;
}

template<class T>
T max (const T& a, const T& b)
{
  if (a > b)
    return a;
  else
    return b;
}

template<class T>
T mid (const T& a, const T& b, const T& c)
{
  return max<T>((a), min<T>((b), (c)));
}

} // namespace Math

#endif

/* EOF */