Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!njin!princeton!phoenix!tbrakitz
From: tbrakitz@phoenix.Princeton.EDU (Byron Rakitzis)
Newsgroups: comp.lang.c
Subject: Re: C history question
Keywords: C design, XOR
Message-ID: <10390@phoenix.Princeton.EDU>
Date: 13 Sep 89 01:44:16 GMT
Reply-To: tbrakitz@phoenix.Princeton.EDU (Byron Rakitzis)
Organization: Princeton University, NJ
Lines: 34

In article <1687@sunset.MATH.UCLA.EDU> pmontgom@math.ucla.edu (Peter Montgomery) writes:
>	I ask why C lacks &&= and ||=.  In FORTRAN, I often write code like
>
.......
>
>but it seems in the language spirit to avoid repeating "allok"; 
>shouldn't we be allowed to abbreviate this to
>
>		allok &&= a[i] > b[i];
>--------
>        Peter Montgomery
>        pmontgom@MATH.UCLA.EDU 


Why not
	       allok &= (a[i] > b[i]);

In this case, the expression on the right will evaluate to either 0
or 1, and you can AND this with the previous value of allok.






(line fodder)



-- 
"C Code."
	  "C Code run."
			"Run, Code, run!"
Byron Rakitzis. (tbrakitz@phoenix.princeton.edu ---- tbrakitz@pucc.bitnet)