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Package: solitude.rar [view]
Upload User: szqxhk
Upload Date: 2010-02-15
Package Size: 54k
Code Size: 2k
Category:
Compress-Decompress algrithms
Development Platform:
Visual C++
- 这里是LDS(lossless data-compression sources)的KIT.我发现很多人都想这么一份压缩软件的源代码,但是他们很难找到,特别是一些比较好的.
- 所有的源代码已经用Borland C++编译成功.每个目录中都包含一个makefile或者是make.bat用以创建可执行的文件.其它的编译器或操作系统需要改动一些地方.
- 所有的源代码包括它们的原始文档.
- =========
- AR002
- Contains a complete archiver by Haruhiko Okumura. The archiver uses
- an LZ engine whose output is compressed with static Huffman. The
- file is chopped into pieces which all get their own independent
- set of Huffman tree's. ARJ 2.41, ZIP 2.0 and PKZIP 2.04g use
- essentially the same method. ZOO and LHA even use excactly the
- same method.
- LZW
- The famous Lempel Ziv Welch compressor. This version by Kent Williams.
- COMP
- Arithmetic compression written by Mark R. Nelson. Published in
- Dr Dobbs february 1991. Contains a basic arithmetic compressor
- and a higher order arithmetic compressor.
- ASH
- A "brother" of the higher order compressor from Nelson written by
- Charles Ashford. Ingenious program which makes use of the very limited
- memory of the PC and still can process large files. One price to pay,
- it is VERY slow. The tigthest compressor in the Dr Dobbs compression
- contest.
- FIN
- Finish submission to the Dr Dobbs contest written by Jussi Puttonen,
- Timo Raita and Jukka Teuhola. The fastest DOS compressor I know of.
- The origional is in 100% assembly. I derived a C version (which I
- published before in PC Newsflash).
- HUF
- Static Huffman compression/decompression by William Demas.
- LZ
- LZSS by Haruhiko Okumura. LZARI by Haruhiko Okumura, the first
- compressor recompressing the output of the LZ engine. Haruyasu
- Yoshizaki (the author of LHarc and LHA) replaced the ARI compressor
- by dynamic Huffman, LZHUF.
- SPLAY
- Splay tree compression written by Kim Kokkonen. Splay tree compression
- is a "nephew" of Huffman compression. It is faster but achieves less
- compression in most cases.
- LZRW1
- LZRW1 compressor by Ross Williams. A very fast LZ compressor. Not as
- fast as FIN but it has a better compression ratio. I appended a small
- part to show it really works. This implementation of LZRW1 uses memory
- as source and destination, not disk.