Article View: comp.lang.misc
Article #1917Re: Answers, Chapter 2: to point or not to point
From: Dan Bernstein
Date: Tue, 06 Nov 1990 06:57
Date: Tue, 06 Nov 1990 06:57
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939 bytes
In article <3652@lanl.gov> jlg@lanl.gov (Jim Giles) writes: > x(1,:) = x(2,:) [ easy to see that there's no aliasing ] [ C version it's much harder, especially with the rows flipped ] Jim, I sympathize with the point you're trying to make, but this has absolutely nothing to do with pointers. If language L has array slicing and array assignment, then it will understand the above statement directly, and can optimize just as easily as Fortran. Pointers never appear. ---Dan
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!jarthur!elroy.jpl.nasa.gov!sdd.hp.com!wuarchive!cs.utexas.edu!rutgers!cmcl2!kramden.acf.nyu.edu!brnstnd From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein) Newsgroups: comp.lang.misc Subject: Re: Answers, Chapter 2: to point or not to point Message-ID: <1622:Nov606:57:0190@kramden.acf.nyu.edu> Date: 6 Nov 90 06:57:01 GMT References: <14271@goofy.megatest.UUCP> <3652@lanl.gov> Organization: IR Lines: 12