NumPy 1.0 release

George Sakkis george.sakkis at
Fri Oct 27 08:37:18 CEST 2006

Robert Kern wrote:

> George Sakkis wrote:
> > ImportError:
> > /usr/local/lib/python2.4/site-packages/numpy/linalg/
> > undefined symbol: zheevd_
> >
> > Googling for "undefined symbol: zheevd_" returned no hits, at which
> > point I gave up for now; hopefully someone will have a suggestion on
> > what to do next (other than dumping RH's mess for Ubuntu, which I'd
> > gladly do if it was up to me).
> zheevd is a LAPACK routine. Check for that symbol in the LAPACK library that you
> are linking. If it's not there, then your LAPACK library is broken. ATLAS
> provides some optimized LAPACK routines, and some distributions of ATLAS provide
> LAPACK libraries with *only* those routines:

Thanks Robert, mystery solved; the source was there but I had changed
the Makefile to not build for complex variables after reading about
RH's problem, and then forgot to put it back. At last, I can now import
numpy! I don't have any use for complex variables, so I hope the broken
tests don't imply anything for the reliability of the library on my

Thanks again,

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