#ifndef _WIMLIB_LZMS_H
#define _WIMLIB_LZMS_H

/* Constants for the LZMS data compression format.  See the comments in
 * lzms-decompress.c for more information about this format.  */

//#define ENABLE_LZMS_DEBUG
#ifdef ENABLE_LZMS_DEBUG
#	define LZMS_DEBUG DEBUG
#       define LZMS_ASSERT wimlib_assert
#else
#	define LZMS_DEBUG(format, ...)
#	define LZMS_ASSERT(...)
#endif

#define LZMS_NUM_RECENT_OFFSETS			3

#define LZMS_PROBABILITY_BITS			6
#define LZMS_PROBABILITY_MAX			(1U << LZMS_PROBABILITY_BITS)
#define LZMS_INITIAL_PROBABILITY		48
#define LZMS_INITIAL_RECENT_BITS		0x0000000055555555ULL

#define LZMS_NUM_MAIN_STATES			16
#define LZMS_NUM_MATCH_STATES			32
#define LZMS_NUM_LZ_MATCH_STATES		64
#define LZMS_NUM_LZ_REPEAT_MATCH_STATES		64
#define LZMS_NUM_DELTA_MATCH_STATES		64
#define LZMS_NUM_DELTA_REPEAT_MATCH_STATES	64
#define LZMS_MAX_NUM_STATES			64

#define LZMS_NUM_LITERAL_SYMS			256
#define LZMS_NUM_LEN_SYMS			54
#define LZMS_NUM_DELTA_POWER_SYMS		8
#define	LZMS_MAX_NUM_OFFSET_SYMS		799
#define LZMS_MAX_NUM_SYMS			799

#define LZMS_MAX_CODEWORD_LEN			15

#define LZMS_LITERAL_CODE_REBUILD_FREQ		1024
#define LZMS_LZ_OFFSET_CODE_REBUILD_FREQ	1024
#define LZMS_LENGTH_CODE_REBUILD_FREQ		512
#define LZMS_DELTA_OFFSET_CODE_REBUILD_FREQ	1024
#define LZMS_DELTA_POWER_CODE_REBUILD_FREQ	512

#define LZMS_X86_MAX_GOOD_TARGET_OFFSET		65535
#define LZMS_X86_MAX_TRANSLATION_OFFSET		1023

#endif /* _WIMLIB_LZMS_H  */