Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!purdue!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn )
Newsgroups: comp.unix.questions
Subject: Re: Bit Switching - How?
Message-ID: <10007@smoke.BRL.MIL>
Date: 7 Apr 89 23:06:55 GMT
References: <18944@adm.BRL.MIL> <626@gonzo.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 10

In article <626@gonzo.UUCP> daveb@gonzo.UUCP (Dave Brower) writes:
>>		x ^= z, y^= z;		/* flip those that do */
-		x ^= z; 		/* flip those that do */
-		y^= z;
-If you don't see _why_ this is the right way, you'd better not work on a
-project with anyone but yourself.

Hey, now, it's not all that clear cut.  Conceptually the two
assignments should occur in parallel; for some people using , to
separate such assignments is the "natural" way to express that.