From bug-octave-request at bevo dot che dot wisc dot edu Wed Jan 21 21:02:20 2004
Subject: Re: ND Array assignment causes octave crash
From: Quentin Spencer <qspencer at ieee dot org>
To: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
CC: bug-octave at bevo dot che dot wisc dot edu
Date: Wed, 21 Jan 2004 21:00:08 -0600

I just tried building the current CVS sources and got a segfault when
starting octave.


John W. Eaton wrote:

>On 20-Dec-2003, Quentin Spencer <qspencer at ieee dot org> wrote:
>
>| Bug report for Octave 2.1.52 configured for i686-pc-linux-gnu
>| 
>| Description:
>| -----------
>| 
>| Assignments of the form x(1,1,:)=y, where y is a 1-by-1-by-N
>| array cause octave to crash.
>| 
>| Repeat-By:
>| ---------
>| 
>| octave 1> a(1,1,:)=ones(1,1,3)
>| error: invalid converstion of NDArray to Matrix
>| octave: dim-vector.h:104: int& dim_vector::dim_vector_rep::elem(int): 
>| Assertion `i >= 0 && i < ndims' failed.
>| panic: Aborted -- stopping myself...
>| attempting to save variables to `octave-core'...
>| save to `octave-core' complete
>| Aborted
>
>I think this problem is fixed in the CVS sources now:
>
>  octave:1> a(1,1,:) = ones (1, 1, 3)
>  a =
>
>  ans(:,:,1) = 1
>  ans(:,:,2) = 1
>  ans(:,:,3) = 1
>
>
>Thanks,
>
>jwe
>
>  
>





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