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  • Committer: Bazaar Package Importer
  • Author(s): Bart Martens
  • Date: 2007-04-02 20:38:09 UTC
  • Revision ID: james.westby@ubuntu.com-20070402203809-fxyqqtkhj9ou03dy
Tags: upstream-0.16.0
Import upstream version 0.16.0

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iter.cc
 
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/*
 
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        iter.cc         Iterators
 
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        Copyright (c) 2000, 2001, 2003 Kriang Lerdsuwanakij
 
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        email:          lerdsuwa@users.sourceforge.net
 
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        This program is free software; you can redistribute it and/or modify
 
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        it under the terms of the GNU General Public License as published by
 
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        the Free Software Foundation; either version 2 of the License, or
 
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        (at your option) any later version.
 
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        This program is distributed in the hope that it will be useful,
 
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        but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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        GNU General Public License for more details.
 
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        You should have received a copy of the GNU General Public License
 
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        along with this program; if not, write to the Free Software
 
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        Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
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*/
 
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#include "iter.h"
 
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// FIXME: Iterator data are shared and not thread-safe.
 
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int     empty_endgame_size;
 
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empty_endgame_entry *empty_endgame_head;
 
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empty_endgame_entry empty_endgame_order[NUM_MOVE];
 
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void init_endgame_iterator(byte_board_info *board, empty_endgame_info &info)
 
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{
 
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        int     count = 0;
 
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        board_full_endgame_iterator     iter;
 
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        iter.init_pos();
 
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        info.empty_endgame_head = 0;
 
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        do {
 
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                if (board->is_empty(iter.pos)) {
 
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                        if (!count)
 
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                                info.empty_endgame_head = info.empty_endgame_order;
 
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                        else
 
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                                info.empty_endgame_order[count-1].next = &(info.empty_endgame_order[count]);
 
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                        info.empty_endgame_order[count].pos = iter.pos;
 
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                        info.empty_endgame_order[count].next = 0;
 
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                        count++;
 
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                }
 
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        } while (iter.next());
 
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        info.empty_endgame_size = count;
 
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}
 
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