bbtypes.h

/*  
 * bbtypes.h file from the BITSCAN library, a C++ library for bit set
 * optimization. BITSCAN has been used to implement BBMC, a very
 * succesful bit-parallel algorithm for exact maximum clique. 
 * (see license file for references)
 *
 * Copyright (C)
 * Author: Pablo San Segundo
 * Intelligent Control Research Group (CSIC-UPM) 
 *
 * Permission to use, modify and distribute this software is
 * granted provided that this copyright notice appears in all 
 * copies, in source code or in binaries. For precise terms 
 * see the accompanying LICENSE file.
 *
 * This software is provided "AS IS" with no warranty of any 
 * kind, express or implied, and with no claim as to its
 * suitability for any purpose.
 *
 */

#ifndef __BBTYPES_H__
#define __BBTYPES_H__
			
typedef unsigned char			U8;
typedef unsigned short			U16;
typedef unsigned int			U32;
typedef unsigned long long		BITBOARD;	
typedef unsigned char			BYTE;
typedef int						BOOL;

#define ONE		0xFFFFFFFFFFFFFFFF					//1 bit mask	
#define EVEN    0x5555555555555555					//1 bits in even positions: 64 bits
#define EVEN_32 0x55555555							//1 bits in even positions: 32 bits
#define EVEN_8  0x55						    	//1 bits in even positions: 8 bits
#define ZERO	0x0000000000000000					//0 64 bit mask

#define EMPTY_ELEM				-1					//empty table element, bitboard or bit string 

#endif