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From: stt@inmet.inmet.com
Newsgroups: comp.std.c
Subject: Re: Why no logical XOR operator
Message-ID: <29200002@inmet>
Date: 14 Sep 90 10:57:00 GMT
References: <154515@<1990Sep12>
Lines: 11
Nf-ID: #R:<1990Sep12:154515:inmet:29200002:000:280
Nf-From: inmet.inmet.com!stt    Sep 14 06:57:00 1990


Re: "logical" XOR

As has been pointed out, == and != are essentially
"logical" EQV and XOR, and hence logical XOR is redundant.
The use of unary "!" is necessary if either operand
is not guaranteed to be in the range 0..1.

S. Tucker Taft
Intermetrics, Inc.
Cambridge, MA  02138