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#ifndef element_h
#define element_h
/* element.h */
/* robospierre - Eurobot 2011 AI. {{{
 *
 * Copyright (C) 2011 Nicolas Schodet
 *
 * APBTeam:
 *        Web: http://apbteam.org/
 *      Email: team AT apbteam DOT org
 *
 * 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.
 *
 * }}} */

/** A pawn, not a head. */
#define ELEMENT_PAWN 1
/** Queen pawn, used for statistic update of table data. */
#define ELEMENT_QUEEN 2
/** King pawn, used for statistic update of table data. */
#define ELEMENT_KING 4
/** Any head, queen or king. */
#define ELEMENT_HEAD 6
/** Any element, pawn, queen, or king. */
#define ELEMENT_ANY 7

/** Return non zero if element is a head, not a pawn. */
#define ELEMENT_IS_HEAD(e) ((e) && !((e) & ELEMENT_PAWN))

/** Return non zero if element may be a head. */
#define ELEMENT_CAN_BE_HEAD(e) ((e) & ELEMENT_HEAD)

#endif /* element_h */