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From: garys@bunker.UUCP (Gary M. Samuelson)
Newsgroups: net.lang.c
Subject: Re: Expression sequencing query (better test)
Message-ID: <1223@bunker.UUCP>
Date: Fri, 3-Oct-86 16:02:31 EDT
Article-I.D.: bunker.1223
Posted: Fri Oct  3 16:02:31 1986
Date-Received: Sat, 4-Oct-86 07:10:28 EDT
References: <4230@brl-smoke.ARPA> <8161@watrose.UUCP> <165@usc-oberon.UUCP>
Reply-To: garys@bunker.UUCP (Gary M. Samuelson)
Distribution: na
Organization: Bunker Ramo, Trumbull Ct
Lines: 16
Summary: 

Instead of

	a = ((b=1),b) + ((b=2),b) + ((b=3),b);

I would like to suggest using

	a = ((b=1),b) + ((b=4),b) + ((b=16),b);

This has the advantage that the result in a is unambiguous.
For example, the answer '7' could be 1+3+3 or 2+2+3, but with
the modified test case, the same order of evaluation would
produce 33 or 24.  Furthermore, the (supposedly) correct answer
'6' could be incorrectly generated by 2+2+2, instead of 1+2+3.
The modified test will produce 12 or 21, respectively.

Gary Samuelson