ddidderr/zstd-rs
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code simplification (but reduce decompression speed ...)

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This commit is contained in:
Yann Collet
2016-03-21 13:24:16 +01:00
parent 5c71491a46
commit b0aec17a90
5 changed files with 113 additions and 128 deletions
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lib/zstd_internal.h
+9 -2
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@@ -103,11 +103,10 @@ typedef enum { bt_compressed, bt_raw, bt_rle, bt_end } blockType_t;
#define Litbits 8
#define MLbits 7
#define LLbits 6
#define Offbits 5
#define MaxLit ((1<<Litbits) - 1)
#define MaxML ((1<<MLbits) - 1)
#define MaxLL ((1<<LLbits) - 1)
#define MaxLL 35
#define MaxOff ((1<<Offbits)- 1)
#define MLFSELog 10
#define LLFSELog 9
@@ -119,6 +118,14 @@ typedef enum { bt_compressed, bt_raw, bt_rle, bt_end } blockType_t;
#define FSE_ENCODING_STATIC 2
#define FSE_ENCODING_DYNAMIC 3
static const U32 LL_bits[MaxLL+1] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 2, 2, 3, 3, 4, 6, 7, 8, 9,10,11,12,
13,14,15,16 };
static const S16 LL_defaultNorm[MaxLL+1] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1,
1, 1, 1, 1 };
static const U32 LL_defaultNormLog = 6;
/*-*******************************************
* Shared functions to include for inlining