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From: glew@pdx007.intel.com (Andy Glew)
Newsgroups: comp.arch
Subject: Re: IEEE floating point (Goldberg paper)
Message-ID: <GLEW.91May31115805@pdx007.intel.com>
Date: 31 May 91 18:58:05 GMT
References: <9105310523.AA15861@ucbvax.Berkeley.EDU>
Sender: news@ichips.intel.com (News Account)
Organization: Intel Corp., Hillsboro, Oregon
Lines: 22
In-Reply-To: jbs@WATSON.IBM.COM's message of 31 May 91 05:04:21 GMT

James B. Shearer says:

[to handle overflow problems]:
>      if(abs(x).le.1.0d18)then
>        y=x/(1+x*x)
>      else
>        y=1/x
>      endif
>Compared to the author's solution, this has the following virtues
>         a)  It is more portable.

Minor point, but I have trouble imagining anything with a hard-wired
constant in it to be portable.

--

Andy Glew, glew@ichips.intel.com
Intel Corp., M/S JF1-19, 5200 NE Elam Young Parkway, 
Hillsboro, Oregon 97124-6497

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