IBM alphaWorks decNumber

decNumber
　alphaWorks > Systems management >
　http://www.alphaworks.ibm.com/tech/decnumber
Update: April 20, 2007
"Version 3.4, a major upgrade with 40 new functions, adds logical and shifting functions together with generalizations of most of the new functions defined in the proposed revision of the IEEE 754 standard."

What is decNumber?
"decNumber is a high-performance decimal arithmetic library in ANSI C, especially suitable for commercial and human-oriented applications."


Technology author:
Mike Cowlishaw
IBM Fellow, IBM UK Warwick, FREng BSc CEng FIET FBCS CITP
　http://domino.research.ibm.com/comm/research_people.nsf/pages/cowlishaw.index.html
General Decimal Arithmetic, Mike Cowlishaw
　http://www2.hursley.ibm.com/decimal/
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IEEE 754-1985 Floating-Point Arithmetic等々のメモ I, 2006-01-16
IEEE 754-1985 Floating-Point Arithmetic等々のメモ II, 2006-01-16

メモ
九州大学 21世紀COEプログラム～機能数理学の構築と展開～
　http://www.math.kyushu-u.ac.jp/coe/index.html