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From: rob@kaa.eng.ohio-state.edu (Rob Carriere)
Newsgroups: comp.lang.c
Subject: Re: Unnecessary Macros (was Re: Unnecessary Parenthesis)
Message-ID: <701@accelerator.eng.ohio-state.edu>
Date: 3 Oct 88 18:30:54 GMT
References: <2089@ssc-vax.UUCP> <441@kaon.uchicago.edu> <1401@devsys.oakhill.UUCP> <23@datcon.UUCP> <8577@smoke.ARPA> <8078@haddock.ima.isc.com> <8590@smoke.ARPA>
Sender: news@accelerator.eng.ohio-state.edu
Reply-To: rob@kaa.eng.ohio-state.edu (Rob Carriere)
Organization: Ohio State Univ, College of Engineering
Lines: 20

In article <8590@smoke.ARPA> gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>) writes:
>One wonders whether [the inability to define a square macro] is much of a
>problem.

How about the following, deep in some inner loop:

foo = square( sin( x )) + 1.7;

I *don't* want to write:

foo = sin( x )*sin( x ) + 1.7;

and

temp = sin( x );
foo = temp*temp + 1.7;

is clearly less legible.

Rob Carriere