PyGSL: Python interface for GNU Scientific Library
Status of GSL-Library:
The gsl-library is since version 1.0 stable and for general use.
Read more about it at the GSL homepage.
Status of this interface:
We are collecting implementations of parts of gsl. So the interface
is not complete. We are looking forward to contributions of new
submodules, while maintaining the awailabel code.
Requirements:
To build the interface, you will need
Retrieving the Interface:
You can download pygsl at http://pygsl.sourceforge.net
Installing GSL interface:
Uninstall the old version of pygsl
gsl-config must be on your path
gzip -d -c pygsl-x.y.z.tar.gz|tar xvf-
cd pygsl-x.y.z
#do this with your prefered python version
#to set the gsl location explicitly use setup.py --gsl-prefix=/path/to/gsl
#If your are using cvs, remove your build directory.
python setup.py build
# change to a id, that is allowed to do installation
python setup.py install
Ready....
Using pygsl
Just write in python
import pygsl.sf
print "%g+/-%g"%pygsl.sf.erf(1)
or
import pygsl.rng
rng=pygsl.rng.rng()
print rng.gaussian(1.0)
You may set the environment variable LD_LIBRARY_PATH to
find the gsl shared object.
Uninstall GSL interface:
rm -r "python install
path"/lib/python"version"/site-packages/pygsl
Supported Platforms:
- Linux (Redhat 8/SuSE) with python2.* and gsl-1.3
- Debian stable/testing with python2.3 and gsl-1.4
Testing:
The directory test will contain several testsuites, based
on python unittest. Change to this directory to run the tests.
What is implemented (versus gsl1.4):
- Blas
- Chebyshev
- Combination
- Const
- Diff
- Eigen
- Fit
- Ieee
- Integrate
- Interpolation
- Linalg
- Math
- Minimize
- Multifit
- Multifit_nlin
- Multimin
- Multiroots
- Odeiv
- Permutation
- Poly
- Qrng
- Rng
- Roots
- Siman
- Sf
- Spline
- Statistics
What is not implemented yet (versus gsl1.4):
- GSL Capabilites not yet wrapped by PyGSL
- Sorting
- Fourier Transforms
- N-tuples
- GSL Capabilites partly implemented
- Series Acceleration
- Discrete Hankel Transforms
- PyGSL related Capabilites
See also the TODO file in the distribution.
For the exact function volume for a module, please type:
import pygsl.sf
dir(pygsl.sf)
You can do this with the other modules, too. The naming scheme is
the same as in gsl.
Documentation:
There will be a small reference, but the function reference can be
found in the doc strings and at the gsl-reference. See also the
"examples" directory.
Support:
Please send mails to the pygsl
mailinglist.
Developement:
You can browse our cvs tree.
Type this to check out the actual version:
cvs -d:pserver:anonymous@cvs.pygsl.sourceforge.net:/cvsroot/pygsl login
Hit return for no password.
cvs -z3 -d:pserver:anonymous@cvs.pygsl.sourceforge.net:/cvsroot/pygsl co pygsl
The script tools/extract_tool.py generates most of the
special function code.
ToDo:
See TODO.
History:
- a gsl-interface for python was needed for a project at center for applied
informatics cologne.
- pygsl-0.0.3 was released at May 23, 2001
- pygsl-0.0.4 was released at January 8, 2002
- pygsl-0.1a was released at August 27, 2002
- pygsl-0.1b was released at , 2003
Thanks:
- Fabian Jakobs for blas, linalg and eigen
- Jochen Küpper for pygsl.statistics functions
- Leonardo Milano for rpm build support and test
Maintainers:
PyGSL is currently maintained by Achim
Gaedke and Pierre
Schnizer.