From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <45359f79d760ffae8f9d6d769e8087c2@quanstro.net>
From: erik quanstrom <quanstro@quanstro.net>
Date: Wed, 19 Dec 2007 19:51:38 -0500
To: 9fans@cse.psu.edu
Subject: Re: [9fans] fun and scary evil C code
In-Reply-To: <3FA5A9CA-EE09-4FDB-A9AA-118E3E8A3AB6@mac.com>
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> I lied.
> They're actually using that stuff to pick apart the (presumed IEEE 754)
> doubles into exponent, mantissa, ...
> 
> My questions still stand ...
> 
> Also, that file is such a tangled nest of ifdefs ...
> is anyone sure whether (and if so, when) that code is invoked?

interesting conflicts on the web.  http://en.wikipedia.org/wiki/IEEE_754
says c doesn't require ieee, http://home.datacomm.ch/t_wolf/tw/c/c9x_changes.html point #21.
says it does.

in any event, if ieee is used, i think the trick is safe.

- erik