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-/* stats1b.h -- statistics for the the LZO library
-
- This file is part of the LZO real-time data compression library.
-
- Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1996 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 library and is subject
- to change.
- */
-
-
-#ifndef __LZO_STATS1B_H
-#define __LZO_STATS1B_H 1
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/***********************************************************************
-// Collect statistical information when compressing.
-// Useful for finetuning the compression algorithm.
-// Examine the symbol 'lzo1b_stats' with a debugger.
-************************************************************************/
-
-#if (LZO_COLLECT_STATS)
-# define LZO_STATS(expr) expr
-#else
-# define LZO_STATS(expr) ((void) 0)
-#endif
-
-
-#if (LZO_COLLECT_STATS)
-
-typedef struct
-{
-/* algorithm configuration */
- unsigned r_bits;
- unsigned m3o_bits;
- unsigned dd_bits;
- unsigned clevel;
-
-/* internal configuration */
- unsigned d_bits;
- long min_lookahead;
- long max_lookbehind;
- const char *compress_id;
-
-/* counts */
- long lit_runs;
- long r0short_runs;
- long r0fast_runs;
- long r0long_runs;
- long m1_matches;
- long m2_matches;
- long m3_matches;
- long m4_matches;
- long r1_matches;
-
-/* */
- long lit_run[R0MIN];
- long m2_match[M2_MAX_LEN + 1];
- long m3_match[M3_MAX_LEN + 1];
-#if (M3O_BITS < 8)
- long lit_runs_after_m3_match;
- long lit_run_after_m3_match[LZO_SIZE(8-M3O_BITS)];
-#endif
-
-/* */
- long matches;
- long match_bytes;
- long literals;
- long literal_overhead;
- long literal_bytes;
- double literal_overhead_percent;
-
-/* */
- long unused_dict_entries;
- double unused_dict_entries_percent;
-
-/* */
- long in_len;
- long out_len;
-}
-lzo1b_stats_t;
-
-
-void _lzo1b_stats_init(lzo1b_stats_t *lzo_stats);
-void _lzo1b_stats_calc(lzo1b_stats_t *lzo_stats);
-
-extern lzo1b_stats_t * const lzo1b_stats;
-
-#define lzo_stats_t lzo1b_stats_t
-#define lzo_stats lzo1b_stats
-
-#endif
-
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* already included */
-
-/*
-vi:ts=4:et
-*/