From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Tolpin <dvd@davidashen.net>
Message-Id: <200403051447.i25Eljwo059910@adat.davidashen.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Inf isInf, NaN, isNaN
In-Reply-To: <54157a6aa44bcac1878319370e3d839c@terzarima.net>
Content-Type: text/plain; charset=KOI8-R
Date: Fri,  5 Mar 2004 18:47:45 +0400
Topicbox-Message-UUID: 18e4848a-eacd-11e9-9e20-41e7f4b1d025

> >>Instead, ISO/IEC 9989:1999 (The ISO C Standard) defines
> >>isinf() and  isnan() macros, which are absent from the library.
>
> ape predates c9x, which (i suspect) added those--i don't remember
> them from the earlier standard--but that's really just a cue
> for doug gwyn to contradict me.  i'd check myself, but
> for some reason, my c book is always where i am not.
>

For me, the problem was not that isnan was not declared, but that
isNaN was. 

David