Re: Failure in eigs test with 3.1.54

[Rafael Laboissiere]

* Rafael Laboissiere <address@hidden> [2009-03-09 23:14]:

> When building version 3.1.54-1 of the Debian package octave3.1, I noticed
> that the eigs.cc tests failed.  I found a minimal code to reproduce the
> error, in my Debian sid chroot:
> 
> $ octave3.1 -q
> octave3.1:1> n = 20;
> octave3.1:2> k = 4;
> octave3.1:3> A = 
> sparse([3:n,1:n,1:(n-2)],[1:(n-2),1:n,3:n],[ones(1,n-2),1:n,-ones(1,n-2)]);
> octave3.1:4>  d0 = eig (A);
> error: memory exhausted or requested size too large for range of Octave's
> index type -- trying to return to prompt

This problem disappeared in 3.1.55. I do not know what was causing it.  I
just hope it will not show up again in the future.
 
-- 
Rafael