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Re: AW: WG: AW: error: memory exhausted or requested size too large for

From: Martin Helm
Subject: Re: AW: WG: AW: error: memory exhausted or requested size too large for range of Octave's index type
Date: Sun, 10 Apr 2011 16:18:12 +0200

Am Samstag, den 09.04.2011, 17:15 -0500 schrieb Robert McDonald: 
> > I reduced it to the absolute minimum to get the error by saving the 
> > variables
> > T and R
> >
> > load T
> > load R
> > plot(R, T(:,1), "-r", R, T(:,2), "-b")
> >
> > gives the error on ubuntu 10.10 32bit (but not on my opensuse), can someone
> > confirm? Since I am too tired now and cannot directly see the error I stop 
> > with
> > that at the moment.
> Wow, nice job creating a test case!
> I can confirm that your script *does* give the error on 10.04 32-bit.
> It does *not* give the error on 10.04 64-bit.
> I just checked and Pyramide.m gives a different error on 64-bit 10.04,
> causing a segfault. The preceding error is "warning: ft_render:
> skipping missing glyph for character '?'"
> Bob

I think the segfault you see is probably unrelated, I cannot see it with
64 bit openSUSE, so it seems to be something different.
The error for 32bit versions exists also on openSUSE 32bit, I made a
virtual machine for it and tested quickly with the octave 3.4 from the
packman repository and then with one I compiled myself, so it is not
ubuntu specific.
It is clear that this has nothing to do with memory (the matrices are a
few kilobyte in size and the plot command is invoked on ridiculous small

I will try to find out where this message really comes from. But I have
to say that I am really not good in understanding the source code of the
plot internals.

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