Re: 2-d arrays

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#2126

From: James Hu
Date: Fri, 01 Mar 1996 15:32

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>>>>> "Devin" == Devin Redlich <dredlich@gulf.csc.UVic.CA>
In article <4gsbdq$4aj@solutions.solon.com> Devin writes:


Devin> If I have a 2 dimensional array x[4][4] and I want to make a
Devin> copy of all the data in x, in, say, y[4][4], what would be the
Devin> most efficient way of copying the data?

If they're really arrays, then

memcpy(y,x,16*sizeof(x[0][0]));

should provide adequate performance.

-- James

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Path: arc1-ca.pugleaf.net!solon.com!not-for-mail
From: jxh@plethora.cs.wustl.edu (James Hu)
Newsgroups: comp.lang.c.moderated
Subject: Re: 2-d arrays
Date: 1 Mar 1996 09:32:46 -0600
Organization: Washington University, St. Louis
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