color.h

/*
  Stockfish, a UCI chess playing engine derived from Glaurung 2.1
  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
  Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad

  Stockfish 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.

  Stockfish 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/>.
*/


#if !defined(COLOR_H_INCLUDED)
#define COLOR_H_INCLUDED


////
//// Types
////

enum Color {
  WHITE,
  BLACK,
  COLOR_NONE
};


////
//// Inline functions
////

inline void operator++ (Color &c, int) { c = Color(int(c) + 1); }

inline Color opposite_color(Color c) {
  return Color(int(c) ^ 1);
}

inline bool color_is_ok(Color c) {
  return c == WHITE || c == BLACK;
}

#endif // !defined(COLOR_H_INCLUDED)