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Re: complex arrays in octfiles


From: Carlo de Falco
Subject: Re: complex arrays in octfiles
Date: Thu, 30 Jun 2011 00:46:15 +0200

On 29 Jun 2011, at 18:06, c. wrote:

> So, if I understand correctly the overhead of
> 
> a (i, j, k) = z;
> 
> is roughly equivalent to that of
> 
> if (true)
> aptr [i + a.dim1 () * (j + a.dim2 () * k)] = z;
> 
> in the case at hand?

OK, sorry, I see by myself now that this is stupid, it's actually

if (something_that_evaluates_to_true ())
  aptr [i + a.dim1 () * (j + a.dim2 () * k)] = z;

and the overhead depends on how much it takes to evaluate

something_that_evaluates_to_true ()


c.


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