1 /* stats1a.h -- statistics for the the LZO1A algorithm
3 This file is part of the LZO real-time data compression library.
5 Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer
6 Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
7 Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
8 Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
9 Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
10 Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
11 Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
12 Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
13 Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
14 Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
15 Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
16 Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
17 Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
18 Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
19 Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
20 Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
23 The LZO library is free software; you can redistribute it and/or
24 modify it under the terms of the GNU General Public License as
25 published by the Free Software Foundation; either version 2 of
26 the License, or (at your option) any later version.
28 The LZO library is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU General Public License for more details.
33 You should have received a copy of the GNU General Public License
34 along with the LZO library; see the file COPYING.
35 If not, write to the Free Software Foundation, Inc.,
36 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
38 Markus F.X.J. Oberhumer
39 <markus@oberhumer.com>
40 http://www.oberhumer.com/opensource/lzo/
44 /* WARNING: this file should *not* be used by applications. It is
45 part of the implementation of the LZO package and is subject
50 #ifndef __LZO_STATS1A_H
51 #define __LZO_STATS1A_H 1
59 /***********************************************************************
60 // collect statistical information when compressing
61 // used for finetuning, view with a debugger
62 ************************************************************************/
64 #if (LZO_COLLECT_STATS)
65 # define LZO_STATS(expr) expr
67 # define LZO_STATS(expr) ((void) 0)
71 /***********************************************************************
73 ************************************************************************/
81 /* internal configuration */
86 unsigned min_match_short
;
87 unsigned max_match_short
;
88 unsigned min_match_long
;
89 unsigned max_match_long
;
101 long lit_runs_after_long_match
;
108 long lit_run_after_long_match
[RSIZE
];
109 long short_match
[MAX_MATCH_SHORT
+ 1];
110 long long_match
[MAX_MATCH_LONG
+ 1];
113 /* these could prove useful for further optimizations */
114 long short_match_offset_osize
[MAX_MATCH_SHORT
+ 1];
115 long short_match_offset_256
[MAX_MATCH_SHORT
+ 1];
116 long short_match_offset_1024
[MAX_MATCH_SHORT
+ 1];
117 long matches_out_of_range
;
118 long matches_out_of_range_2
;
119 long matches_out_of_range_4
;
120 long match_out_of_range
[MAX_MATCH_SHORT
+ 1];
128 extern lzo1a_stats_t
*lzo1a_stats
;
136 #endif /* already included */