Initial commit: client source

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commit 9ae37cd0ea
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+/* stats1a.h -- statistics for the the LZO1A algorithm
+
+   This file is part of the LZO real-time data compression library.
+
+   Copyright (C) 1996-2002 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.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Markus F.X.J. Oberhumer
+   <markus@oberhumer.com>
+ */
+
+
+/* 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
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+
+/***********************************************************************
+// collect statistical information when compressing
+// used for finetuning, view with a debugger
+************************************************************************/
+
+#if defined(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
+*/