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From: jmc@inset.UUCP (John Collins)
Newsgroups: net.lang.c
Subject: Re: c programming style - READ THIS
Message-ID: <655@inset.UUCP>
Date: Fri, 9-Aug-85 19:15:22 EDT
Article-I.D.: inset.655
Posted: Fri Aug  9 19:15:22 1985
Date-Received: Thu, 15-Aug-85 08:33:31 EDT
References: <11570@brl-tgr.ARPA> <935@teddy.UUCP> <1286@uwmacc.UUCP> <2439@sun.uucp> <734@lsuc.UUCP> <247@bbncc5.UUCP>
Reply-To: jmc@inset.UUCP (John Collins)
Organization: The Instruction Set Ltd., London, UK.
Lines: 13
Keywords: RTM
Xpath: icdoc ivax

In article <247@bbncc5.UUCP> keesan@bbncc5.UUCP (Morris M. Keesan) writes:
>....................  From the C Reference
>Manual, section 7.2 (p. 187, K&R):  "The expression ++x is equivalent to x+=1.
>See the discussions of addition and assignment operators for information on
>conversions."  The "usual arithmetic conversions" in this case cause "a += 1"
>to be equivalent to "a += 1.0".

Interestingly enough the PDP11 C compiler could not do ++ and -- on floating
point numbers.... (Up to System III anyway).
-- 
John M Collins		....mcvax!ist!inset!jmc
Phone:	+44 727 57267
Snail Mail: 47 Cedarwood Drive, St Albans, Herts, AL4 0DN, England.