Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!mit-eddie!uw-beaver!uw-entropy!quick!happym!polari!6sigma
From: 6sigma@polari.UUCP (Brian Matthews)
Newsgroups: comp.lang.c
Subject: Re: This one bit me today
Message-ID: <1071@polari.UUCP>
Date: 10 Oct 89 22:07:28 GMT
References: <2432@hub.UUCP> <832@crdos1.crd.ge.COM> <1067@polari.UUCP> <1243@virtech.UUCP>
Reply-To: 6sigma@.UUCP (Brian Matthews)
Organization: PolarServ, Seattle WA
Lines: 11

In article <1243@virtech.UUCP> cpcahil@virtech.UUCP (Conor P. Cahill) writes:
|In article <1067@polari.UUCP>, 6sigma@polari.UUCP (Brian Matthews) writes:
|> That's why anyone who knows what they're doing will parenthesize each
|> argument in the expansion of the macro and use liberal whitespace, thusly:
|> #define xavg(m)	(sum + 3) / (m)
|
|And they will also parenthesize the entire expression:
|
|#define xavg(m)		((sum + 3) / (m))

Arrgh.  Absolutely.  Sorry for being stupid in public...