Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!bloom-beacon!spdcc!ima!cfisun!lakart!dg
From: dg@lakart.UUCP (David Goodenough)
Newsgroups: comp.lang.c
Subject: Re: Bug?
Message-ID: <718@lakart.UUCP>
Date: 16 Oct 89 17:04:16 GMT
References: <10895@riks.csl.sony.co.jp>
Organization: Lakart Corporation, Newton, MA
Lines: 19

diamond@csl.sony.co.jp (Norman Diamond) sez:
> In article <9986@alice.UUCP> ark@alice.UUCP (Andrew Koenig) writes:
> 
>>Even if the == operator includes a fuzz factor, it's hard to imagine
>>a sensible implementation in which (a-b)==0 is true unless a and b
>>are truly identical.
> 
> Sorry Mr. Koenig, it's easy to imagine.  Every hardware floating-point
> system and most software ones have situations where (a-b)==0 but a != b.

Agreed. Also would any experts on ones complement systems like to throw
in a couple of cents? I am no expert on ones complement, but it might
be possible there. Then again, it might not be possible ..... H*ll
I don't know.
-- 
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