Public bug reported:

When installing python-numpy, python-numpy-ext and python-scipy, and
when testing the installed packages with a python -c "import scipy as S;
S.test()", errors are reported concerning scipy.lib.lapack:

****************************************************************
WARNING: clapack module is empty
-----------
See scipy/INSTALL.txt for troubleshooting.
Notes:
* If atlas library is not found by numpy/distutils/system_info.py,
  then scipy uses flapack instead of clapack.
****************************************************************

Why does the numpy package of ubuntu  depend on atlas3-base, but
building the package reports a conflict with atlas3-base ? I think this
may be somewhat related (if the numpy package is not built with atlas3,
then scipy cannot find the atlas informations)

** Affects: python-numpy (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

** Description changed:

  When installing python-numpy, python-numpy-ext and python-scipy, and
  when testing the installed packages with a python -c "import scipy as S;
  S.test()", errors are reported concerning scipy.lib.lapack:
  
  ****************************************************************
  WARNING: clapack module is empty
  -----------
  See scipy/INSTALL.txt for troubleshooting.
  Notes:
  * If atlas library is not found by numpy/distutils/system_info.py,
    then scipy uses flapack instead of clapack.
  ****************************************************************
  
  Why does the numpy package of ubuntu  depend on atlas3-base, but
- building the package reports a conflict with atlas3-base ?
+ building the package reports a conflict with atlas3-base ? I think this
+ may be somewhat related (if the package is not built with atlas3, then
+ scipy cannot find the atlas informations)

** Description changed:

  When installing python-numpy, python-numpy-ext and python-scipy, and
  when testing the installed packages with a python -c "import scipy as S;
  S.test()", errors are reported concerning scipy.lib.lapack:
  
  ****************************************************************
  WARNING: clapack module is empty
  -----------
  See scipy/INSTALL.txt for troubleshooting.
  Notes:
  * If atlas library is not found by numpy/distutils/system_info.py,
    then scipy uses flapack instead of clapack.
  ****************************************************************
  
  Why does the numpy package of ubuntu  depend on atlas3-base, but
  building the package reports a conflict with atlas3-base ? I think this
- may be somewhat related (if the package is not built with atlas3, then
- scipy cannot find the atlas informations)
+ may be somewhat related (if the numpy package is not built with atlas3,
+ then scipy cannot find the atlas informations)

-- 
scipy not built with atlas support ?
https://launchpad.net/bugs/66862

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