[SciPy-dev] Scipy-dev Digest, Vol 72, Issue 51

Arkapravo Bhaumik arkapravobhaumik@gmail....
Fri Oct 23 19:10:15 CDT 2009


Dear Friends

Is there any facility or module in scipy / numpy for

(1) conformal mapping
(2) chaotic systems.

Regards

Arkapravo

2009/10/23 <scipy-dev-request@scipy.org>

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> Today's Topics:
>
>   1. scipy.test() failures (Neil Killeen)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 23 Oct 2009 09:23:57 +1100
> From: Neil Killeen <nkilleen@unimelb.edu.au>
> Subject: [SciPy-dev] scipy.test() failures
> To: scipy-dev@scipy.org
> Message-ID: <F55CE664-626A-40A4-993D-DF86FE7FC670@unimelb.edu.au>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
> Hi all
>
> Hi
>
> - I am operating on an SGI Altix 3700 BX2 Itanium IA64 system running
> SUSE/Novelle Linux SLES10
> - I am trying to install scipy V 0.7.1
> - I am using python 2.4
> - blas and lapack are installed via system rpms in /usr/lib
>
>
> soma:/usr/lib # ls -al *blas* *lapack*
> -rw-r--r-- 1 root root   929506 2007-04-14 02:16 libblas.a
> lrwxrwxrwx 1 root root       12 2008-03-12 12:20 libblas.so ->
> libblas.so.3
> lrwxrwxrwx 1 root root       16 2008-03-12 12:20 libblas.so.3 ->
> libblas.so.3.0.0
> -rwxr-xr-x 1 root root   678024 2007-04-14 02:16 libblas.so.3.0.0
> lrwxrwxrwx 1 root root       20 2008-12-02 22:52 libgslcblas.so.0 ->
> libgslcblas.so.0.0.0
> -rwxr-xr-x 1 root root   908816 2007-04-14 02:30 libgslcblas.so.0.0.0
> -rw-r--r-- 1 root root 11208466 2007-04-14 02:16 liblapack.a
> lrwxrwxrwx 1 root root       14 2008-03-12 12:20 liblapack.so ->
> liblapack.so.3
> lrwxrwxrwx 1 root root       18 2008-03-12 12:20 liblapack.so.3 ->
> liblapack.so.3.0.0
> -rwxr-xr-x 1 root root  7503568 2007-04-14 02:16 liblapack.so.3.0.0
>
>
>
>
> 1. I did a vanilla build (python setup.py build/install) which
> appeared to work ok.
>
> 2. When I tried to run scipy.test()  I saw errors.  They are in two
> categories:
>
>   ERROR: Failure: ImportError (/usr/local/lib/python2.4/site-packages/
> scipy/linalg/fblas.so: undefined symbol: srotmg_)
>
> and
>
> ImportError: cannot import name {linalg, calc_lwork}
>
>  Perhaps the latter are due to the former ?
>
>
> 3. I read in the FAQ that the solution to the srotmg error is to
> install blas myself either from netlib or via ATLAS
>
> 4. I decided to do the easy thing and installed blas from netlib in /
> usr/local/lib/libblas.a
>
> 5. I then deleted the scipy installation (/usr/local/lib/python2.4/
> site-packges/scipy)  and rebuilt and installed afresh.
>
>   In the build log one can see that it appears to have found the /usr/
> local/lib/libblas.a library
>
>    E.g.
>
> blas_info:
> FOUND:
>   libraries = ['blas']
>   library_dirs = ['/usr/local/lib']
>   language = f77
>
> FOUND:
>   libraries = ['blas']
>   library_dirs = ['/usr/local/lib']
>   define_macros = [('NO_ATLAS_INFO', 1)]
>   language = f77
>
>
>
>
> 6. Then I
>   - set env variable BLAS=/usr/local/lib/libblas.a   (not sure useful
> since static library so should be no run-time dependency)
>   - ran the test again with the same errors resulting as the initial.
>
>
> Can someone advise what more I must do to eradicate these run-time
> errors ?
>
>
> thanks
> Neil
>
> p.s. tried to post this last week but message did not arrive (perhaps
> as I included attachments
> which I have left off this time)
>
>
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> End of Scipy-dev Digest, Vol 72, Issue 51
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