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| author | Daniel Baumann <mail@daniel-baumann.ch> | 2015-11-07 14:46:27 +0000 |
|---|---|---|
| committer | Daniel Baumann <mail@daniel-baumann.ch> | 2015-11-07 14:46:27 +0000 |
| commit | 8f0dfe974c171b0ef83f822c97aeef6a89b8641a (patch) | |
| tree | 9e199f867cfd6b44a126096fc9c104f3a018338e /LzHash.h | |
| parent | Adding upstream version 1.3. (diff) | |
| download | pdlzip-8f0dfe974c171b0ef83f822c97aeef6a89b8641a.tar.xz pdlzip-8f0dfe974c171b0ef83f822c97aeef6a89b8641a.zip | |
Adding upstream version 1.4~rc1.upstream/1.4_rc1
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'LzHash.h')
| -rw-r--r-- | LzHash.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/LzHash.h b/LzHash.h deleted file mode 100644 index 4beaec7..0000000 --- a/LzHash.h +++ /dev/null @@ -1,54 +0,0 @@ -/* LzHash.h -- HASH functions for LZ algorithms
-2009-02-07 : Igor Pavlov : Public domain */
-
-#ifndef __LZ_HASH_H
-#define __LZ_HASH_H
-
-#define kHash2Size (1 << 10)
-#define kHash3Size (1 << 16)
-#define kHash4Size (1 << 20)
-
-#define kFix3HashSize (kHash2Size)
-#define kFix4HashSize (kHash2Size + kHash3Size)
-#define kFix5HashSize (kHash2Size + kHash3Size + kHash4Size)
-
-#define HASH2_CALC hashValue = cur[0] | ((UInt32)cur[1] << 8);
-
-#define HASH3_CALC { \
- UInt32 temp = crc32[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hashValue = (temp ^ ((UInt32)cur[2] << 8)) & p->hashMask; }
-
-#define HASH4_CALC { \
- UInt32 temp = crc32[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
- hashValue = (temp ^ ((UInt32)cur[2] << 8) ^ (crc32[cur[3]] << 5)) & p->hashMask; }
-
-#define HASH5_CALC { \
- UInt32 temp = crc32[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
- hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (crc32[cur[3]] << 5)); \
- hashValue = (hash4Value ^ (crc32[cur[4]] << 3)) & p->hashMask; \
- hash4Value &= (kHash4Size - 1); }
-
-/* #define HASH_ZIP_CALC hashValue = ((cur[0] | ((UInt32)cur[1] << 8)) ^ crc32[cur[2]]) & 0xFFFF; */
-#define HASH_ZIP_CALC hashValue = ((cur[2] | ((UInt32)cur[0] << 8)) ^ crc32[cur[1]]) & 0xFFFF;
-
-
-#define MT_HASH2_CALC \
- hash2Value = (crc32[cur[0]] ^ cur[1]) & (kHash2Size - 1);
-
-#define MT_HASH3_CALC { \
- UInt32 temp = crc32[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); }
-
-#define MT_HASH4_CALC { \
- UInt32 temp = crc32[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
- hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (crc32[cur[3]] << 5)) & (kHash4Size - 1); }
-
-#endif
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