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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) 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 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
+*/