[Numpy-discussion] Biulding Numarray with atlas.

Todd Miller jmiller at stsci.edu
Thu Jul 21 12:09:17 CDT 2005


On Thu, 2005-07-21 at 14:23, Chris Barker wrote:
> Nadav Horesh wrote:
> > Whenever you need a patch to compile numarray with lapack/atlas, you
> > should check if the linear_algebra module works. 
> 
> Of course. And test I have, and no, it doesn't work:
> 
> ImportError:
> /usr/lib/python2.4/site-packages/numarray/linear_algebra/lapack_lite2.so:
> undefined symbol: dgesdd_
> 
> I'm guessing this is a symbol mangling mismatch between what
> lapack_lite2 is expecting and what my atlas install used (i.e. too many
> or not enough underscores) For what it's worth, I get the same error
> with Numeric.

I think this is a SciPy FAQ and following their advice is how I've
worked around it in the past myself:

http://www.scipy.org/documentation/mailman?fn=scipy-dev/2001-November/000105.html







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