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Message
From: =?UTF-8?B?Sm9hY2hpbSBTdHLDtm1iZXJnc29u?=<Joachim.Strombergson@I...>
Date: Fri, 13 Dec 2002 11:41:05 +0100
Subject: Re: [oc] "1/x" function
Aloha!
Lars Segerlund wrote:
>
> This is the way 'The MAN' ( Seymor Cray ) did it, watch out for
> owerflows !
>
> Perhaps you can look for something Cray related ? I think there was a
> strong rationale for doing it this way !
What mr Cray really liked was saturating logic. There are some cases where a
saturating implementation is very favorable in terms of speed. But, you really
need to know that you donät hit the roof during calculations.
See more in fore xample this book:
http://www.amazon.com/exec/obidos/tg/detail/-/0201422913/qid=1039776170/sr=8-1/ref=sr_8_1/102-9800700-2060931?v=glance&s=books&n=507846
--
Med vänlig hälsning, Yours
Joachim Strömbergson - Alltid i harmonisk svängning.
VP, Research & Development
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