Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!snorkelwacker!spdcc!ima!haddock!karl
From: karl@haddock.ima.isc.com (Karl Heuer)
Newsgroups: comp.lang.misc
Subject: Re: NOT Educating FORTRAN programmers to use C
Message-ID: <15734@haddock.ima.isc.com>
Date: 23 Jan 90 05:51:36 GMT
References: <15706@haddock.ima.isc.com> <14204@lambda.UUCP>
Reply-To: karl@haddock.ima.isc.com (Karl Heuer)
Organization: Interactive Systems, Cambridge, MA 02138-5302
Lines: 12

In article <14204@lambda.UUCP> jlg@lambda.UUCP (Jim Giles) writes:
>As for expression ordering being "Fixed in ANSI C", I'd like to know _HOW_.
>I _HOPE_ they didn't settle on [the unary plus hack].

Fortunately, they did not.  It was decided that honoring parentheses would be
the best way.  Although there were originally some Committee members who
opposed this because it inhibits useful optimizations, I hear that they backed
down when it was pointed out that most such are still covered by the as-if
rule.  (E.g. |(i+1)-1| for integral |i| can still be reduced, since it gets
the same answer under all conditions under which the original is legal.)

Karl W. Z. Heuer (karl@haddock.isc.com or ima!haddock!karl), The Walking Lint