Re: NaN/Inf in gnu C

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#1299

From: Stephen L Moshier
Date: Sun, 30 Oct 1994 01:32

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ivo@next.agsm.ucla.edu (Ivo Welch) writes:

>I used to use the following definitions on an Intel computer

>#define NaN	0.0/0.0
>#define Inf	1.0/0.0
>#define isNaN(x)	((x)!=(x))

>Unfortunately, the new gnu C and C++ compilers complain about division  
>errors.  What is the currently recommended way either to shut this warning  
>off, or to define Inf/NaN?

>Ivo Welch			ivo@128.97.74.50 = next.agsm.ucla.edu
>Asst Prof of Finance		iwelch@agsm.ucla.edu
>AGSM at UCLA			

You cannot shut off the warning without also turning off other
warnings that you might reasonably want to get.  If you repost
your message to the newsgroup gnu.gcc.bug, the gnurus will
decide something to do about it.

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From: moshier@world.std.com (Stephen L Moshier)
Subject: Re: NaN/Inf in gnu C
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