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Re: surface cdata property restricted to double or uint8


From: Michael Goffioul
Subject: Re: surface cdata property restricted to double or uint8
Date: Mon, 30 Aug 2010 09:14:27 +0100

On Mon, Aug 30, 2010 at 6:34 AM, John W. Eaton <address@hidden> wrote:
> On 30-Aug-2010, Jaroslav Hajek wrote:
>
> | If I see right, however, you save the space for lda doubles, but there
> | are already two arrays of 3*lda doubles around (cmapv and av), which
> | means you'll save 14% memory at best. That is really not much in
> | Octave's context. I would likewise prefer the simpler change.
>
> OK, I checked in the following change.
>
>  http://hg.savannah.gnu.org/hgweb/octave/rev/56f9c10e9e98
>
> Note that instead of adding a constraints, I simply removed the
> existing constraints on the cdata and alphadata surface properties.
> Does anyone see a problem with doing that?

Personally, I preferred your first suggestion. Someone using uint8 to save
memory when dealing with large data will actually have little benefit
of doing so.

Michael.



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