/* stats1a.h -- statistics for the the LZO1A algorithm

   This file is part of the LZO real-time data compression library.

   Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer

   All Rights Reserved.

   The LZO library 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 2 of

   the License, or (at your option) any later version.

   The LZO library 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 the LZO library; see the file COPYING.

   If not, write to the Free Software Foundation, Inc.,

   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

   Markus F.X.J. Oberhumer

   <markus@oberhumer.com>

   http://www.oberhumer.com/opensource/lzo/

 */

/* WARNING: this file should *not* be used by applications. It is

   part of the implementation of the LZO package and is subject

   to change.

 */

#ifndef __LZO_STATS1A_H

#define __LZO_STATS1A_H 1

#ifdef __cplusplus

extern "C" {

#endif

/***********************************************************************

// collect statistical information when compressing

// used for finetuning, view with a debugger

************************************************************************/

#if (LZO_COLLECT_STATS)

#  define LZO_STATS(expr)   expr

#else

#  define LZO_STATS(expr)   ((void) 0)

#endif

/***********************************************************************

//

************************************************************************/

typedef struct {

/* configuration */

    unsigned rbits;

    unsigned clevel;

/* internal configuration */

    unsigned dbits;

    unsigned lbits;

/* constants */

    unsigned min_match_short;

    unsigned max_match_short;

    unsigned min_match_long;

    unsigned max_match_long;

    unsigned min_offset;

    unsigned max_offset;

    unsigned r0min;

    unsigned r0fast;

    unsigned r0max;

/* counts */

    long short_matches;

    long long_matches;

    long r1_matches;

    long lit_runs;

    long lit_runs_after_long_match;

    long r0short_runs;

    long r0fast_runs;

    long r0long_runs;

/* */

    long lit_run[RSIZE];

    long lit_run_after_long_match[RSIZE];

    long short_match[MAX_MATCH_SHORT + 1];

    long long_match[MAX_MATCH_LONG + 1];

    long marker[256];

/* these could prove useful for further optimizations */

    long short_match_offset_osize[MAX_MATCH_SHORT + 1];

    long short_match_offset_256[MAX_MATCH_SHORT + 1];

    long short_match_offset_1024[MAX_MATCH_SHORT + 1];

    long matches_out_of_range;

    long matches_out_of_range_2;

    long matches_out_of_range_4;

    long match_out_of_range[MAX_MATCH_SHORT + 1];

/* */

    long in_len;

    long out_len;

}

lzo1a_stats_t;

extern lzo1a_stats_t *lzo1a_stats;

#ifdef __cplusplus

} /* extern "C" */

#endif

#endif /* already included */

/*

vi:ts=4:et

*/