Compiling numpy with lapack and atlas

Abhishek Roy fingerslip at
Sun Nov 12 21:06:24 CST 2006

--- Robert Kern <robert.kern at> wrote:
> Also add g2c to your library list, then. It is g77's FORTRAN runtime library
Okay I put libg2c.a in the atlas directory and made the line in site.cfg,
atlas_libs = lapack, f77blas, cblas, atlas, g2c

Now numpy imports but numpy.linalg.test() as well as any linalg function gives,
>>> numpy.linalg.test()
  Found 32 tests for numpy.linalg
  Found 0 tests for __main__
.. ** On entry to DGEEV  parameter number 13 had an illegal value

I am using prebuilt a lapack library from 

Thanks for all your help,

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