Xref: utzoo comp.lang.c:12779 comp.lang.fortran:1203
Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!uflorida!novavax!proxftl!francis
From: francis@proxftl.UUCP (Francis H. Yu)
Newsgroups: comp.lang.c,comp.lang.fortran
Subject: Re: C associativity rules
Keywords: associativity, expressions
Message-ID: <804@proxftl.UUCP>
Date: 21 Sep 88 17:22:51 GMT
References: <412@marob.MASA.COM>
Reply-To: francis@proxftl.UUCP (Francis H. Yu)
Organization: Proximity Technology, Ft. Lauderdale
Lines: 17

In article <412@marob.MASA.COM> samperi@marob.MASA.COM (Dominick Samperi) writes:
>Does K&R C or the new ANSI C permit the compiler to evaluate an expression
>like a+b+c in any order it pleases, rather than in the strict left-to-right
>order (a+b)+c ? I've always assumed that a strict left-to-right order would
>be used, as is the case for relational expressions like the one in the
>following.
>		while(i != -1 && a[i] != k)
>			whatever ;

"a && b" is a control structure which implies
	"if (a) if (b) ... "
It has nothing to do with the order of evaluation of expression.


	"Arithmetic operators associate left to right"

			- pp 41, K&R C Second Edition