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/*
* positionid.h
*
* by Gary Wong, 1998, 1999, 2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 3 or later of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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
*
* $Id: positionid.h,v 1.38 2014/10/07 07:14:29 plm Exp $
*/
#ifndef POSITIONID_H
#define POSITIONID_H
#include "gnubg-types.h"
#define L_POSITIONID 14
extern void PositionKey(const TanBoard anBoard, positionkey * pkey);
extern char *PositionID(const TanBoard anBoard);
extern char *PositionIDFromKey(const positionkey * pkey);
extern int PositionFromXG(TanBoard anBoard, const char * pos);
extern
unsigned int PositionBearoff(const unsigned int anBoard[], unsigned int nPoints, unsigned int nChequers);
extern void PositionFromKey(TanBoard anBoard, const positionkey * pkey);
extern void PositionFromKeySwapped(TanBoard anBoard, const positionkey * pkey);
/* Return 1 for success, 0 for invalid id */
extern int PositionFromID(TanBoard anBoard, const char *szID);
extern void PositionFromBearoff(unsigned int anBoard[], unsigned int usID,
unsigned int nPoints, unsigned int nChequers);
extern unsigned short PositionIndex(unsigned int g, const unsigned int anBoard[6]);
#define EqualKeys(k1, k2) (k1.data[0]==k2.data[0]&&k1.data[1]==k2.data[1]&&k1.data[2]==k2.data[2]&&k1.data[3]==k2.data[3]&&k1.data[4]==k2.data[4]&&k1.data[5]==k2.data[5]&&k1.data[6]==k2.data[6])
#define CopyKey(ks, kd) kd.data[0]=ks.data[0],kd.data[1]=ks.data[1],kd.data[2]=ks.data[2],kd.data[3]=ks.data[3],kd.data[4]=ks.data[4],kd.data[5]=ks.data[5],kd.data[6]=ks.data[6]
extern int EqualBoards(const TanBoard anBoard0, const TanBoard anBoard1);
/* Return 1 for valid position, 0 for not */
extern int CheckPosition(const TanBoard anBoard);
extern void ClosestLegalPosition(TanBoard anBoard);
extern unsigned int Combination(const unsigned int n, const unsigned int r);
extern unsigned char Base64(const unsigned char ch);
extern void oldPositionFromKey(TanBoard anBoard, const oldpositionkey * pkey);
extern void oldPositionKey(const TanBoard anBoard, oldpositionkey * pkey);
#endif
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