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From: Sepp@ppcger.ppc.sub.org (Josef Wolf)
Newsgroups: comp.lang.c
Subject: Re: The nonexistent operator (along = v. == lines)
Message-ID: <NSfh-D@ppcger.ppc.sub.org>
Distribution: world
Date: 6 Apr 91 00:19:02 GMT
References: <156@revcan.UUCP>
Keywords: xor
Lines: 15

darren@revcan.UUCP (Darren Morbey) writes:

] 1.    #define XOR(a,b) ( ( !(a) && (b) ) || ( (a) && !(b) ) )
] 2.    #define XOR(a,b) ( !(a) != !(b) )
] 3.    #define XOR(a,b) ( (a) ? !(b) : (b) )  /* my favourite. */

Waht about #define XOR(a,b) (a) != (b) /* just a suggestion */

Greets
    Sepp

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