[gambit-list] Straight dope on FIXADDP, FIXMULP, ...

ben at fuhok.net ben at fuhok.net
Sat May 7 16:55:10 EDT 2005


On Sat, May 07, 2005 at 12:05:44AM -0500, Bradley Lucier wrote:
> Marc:
> 
> There is a wonderful little book "Hacker's Delight" by Henry S. Warren 
> Jr. (with a foreword by Guy Steele, BTW), that has a special section on 
> "Overflow Detection" in Chapter 1, "Basics".  The section begins on 
> page 26.  In this section you'll find all the tests for overflow of 
> signed addition, subtraction, and multiplication that you need in ##+, 
> ##-, and ##* and FIXADDP, FIXSUBP, and FIXMULP (which should all 
> probably be merged (##+ with FIXADDP, etc., of course) in some way).
> 
> Would you like me to look at some of the implementation details?
> 
> Brad

I'll second that.  It is one of the coolest books I own.

Ben









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