[Numpy-discussion] numpy installation

Piotr Luszczek luszczek at cs.utk.edu
Fri Aug 18 18:48:43 CDT 2006

s_wsfe is not LAPACK's routine it's a routine from the g2c library.
You have to link it in in addition to lapack_lite.


On Friday 18 August 2006 18:07, joris at ster.kuleuven.ac.be wrote:
> Hi,
> I am correctly assuming that numpy needs the full lapack
> distribution, and not just the few lapack routines given by atlas?
> After installing numpy I still get the warning
> ImportError:
> /software/python-2.4.1/lib/python2.4/site-packages/numpy/linalg/lapac
>k_lite.so: undefined symbol: s_wsfe
> which seems to indicate that numpy is trying to use its lapack_lite
> version instead of the full lapack distribution. Defining
> [lapack]
> library_dirs = /software/lapack3.0/
> lapack_libs = combinedlapack
> in my site.cfg does not help. It also always gives a warning that my
> lapack lib in my atlas directory is incomplete despite the fact that
> I specified the full lapack library. The complaint of incompleteness
> disappears when I overwrite the liblapack.a of atlas with the one of
> the full lapack distribution, but then I still have the ImportError
> when I try to import numpy in my python shell.
> Any pointers?
> Cheers,
> Joris
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