aimsalgo  5.1.2
Neuroimaging image processing
lzhl.h
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33 
34 
35 #ifndef AIMS_COMPRESSION_LZHL_H
36 #define AIMS_COMPRESSION_LZHL_H
37 
38 #define ROTL( x, y ) ( ( (x) << (y) ) | ( (x) >> ( 32 - (y) ) ) )
39 
40 #define LZMIN 4
41 
42 //
43 // user tunable parameters
44 //
45 
46 // Affect format
47 // LZBUFBITS is a log2(LZBUFSIZE) and must be in range 10 - 16
48 #define LZBUFBITS 16
49 
50 // NOT affect format
51 #define LZMATCH 5
52 
53 #define LZSLOWHASH
54 // LZTABLEBITS is a log2(LZTABLESIZE) and should be in range 9 - 17
55 #define LZTABLEBITS 15
56 
57 #define LZOVERLAP
58 #define LZBACKWARDMATCH
59 #define LZLAZYMATCH
60 #define LZSKIPHASH 1024
61 
62 // HUFFRECALCLEN should be <= 16384
63 #define HUFFRECALCLEN 4096
64 
65 #define LZTABLESIZE (1<<(LZTABLEBITS))
66 #define LZBUFSIZE (1<<(LZBUFBITS))
67 
68 
69 #endif