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1 /* lzo1x_1.c -- LZO1X-1 compression
2 
3    This file is part of the LZO real-time data compression library.
4 
5    Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer
6    All Rights Reserved.
7 
8    The LZO library is free software; you can redistribute it and/or
9    modify it under the terms of the GNU General Public License as
10    published by the Free Software Foundation; either version 2 of
11    the License, or (at your option) any later version.
12 
13    The LZO library is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with the LZO library; see the file COPYING.
20    If not, write to the Free Software Foundation, Inc.,
21    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 
23    Markus F.X.J. Oberhumer
24    <markus@oberhumer.com>
25    http://www.oberhumer.com/opensource/lzo/
26  */
27 
28 
29 #include "lzo_conf.h"
30 #if 1 && defined(UA_GET_LE32)
31 #undef  LZO_DICT_USE_PTR
32 #define LZO_DICT_USE_PTR 0
33 #undef  lzo_dict_t
34 #define lzo_dict_t lzo_uint16_t
35 #endif
36 
37 #define LZO_NEED_DICT_H 1
38 #ifndef D_BITS
39 #define D_BITS          14
40 #endif
41 #define D_INDEX1(d,p)       d = DM(DMUL(0x21,DX3(p,5,5,6)) >> 5)
42 #define D_INDEX2(d,p)       d = (d & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f)
43 #if 1
44 #define DINDEX(dv,p)        DM(((DMUL(0x1824429d,dv)) >> (32-D_BITS)))
45 #else
46 #define DINDEX(dv,p)        DM((dv) + ((dv) >> (32-D_BITS)))
47 #endif
48 #include "config1x.h"
49 #define LZO_DETERMINISTIC !(LZO_DICT_USE_PTR)
50 
51 #ifndef DO_COMPRESS
52 #define DO_COMPRESS     lzo1x_1_compress
53 #endif
54 
55 #include "lzo1x_c.ch"
56