/*
 
    Protector -- a UCI chess engine
 
 
 
    Copyright (C) 2009-2010 Raimund Heid (Raimund_Heid@yahoo.com)
 
 
 
    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 _tablebase_h_
 
#define _tablebase_h_
 
 
 
#include "position.h"
 
 
 
extern bool tbAvailable;
 
 
 
#define TABLEBASE_ERROR 32768
 
 
 
/**
 
 * Initialize this module.
 
 *
 
 * @return 0 if no errors occurred.
 
 */
 
int initializeModuleTablebase(void);
 
 
 
/**
 
 * Test this module.
 
 *
 
 * @return 0 if all tests succeed.
 
 */
 
int testModuleTablebase(void);
 
 
 
/**
 
 * Initialize tablebase support.
 
 *
 
 * @param path the directory containing the tablebase files
 
 *
 
 * @return 0 if no errors occurred.
 
 */
 
int initializeTablebase(const char *path);
 
 
 
/**
 
 * Close all tablebase files.
 
 */
 
void closeTablebaseFiles(void);
 
 
 
/**
 
 * Set the size of the tablebase cache.
 
 *
 
 * @var size the size of the tablebase cache in MB
 
 *
 
 * @return 0 if no errors occurred
 
 */
 
int setTablebaseCacheSize(unsigned int size);
 
 
 
/**
 
 * Probe the tablebase for the specified position.
 
 */
 
int probeTablebase(const Position * position);
 
 
 
#endif