[psoc-2008] week 5 report - Math::GSL

[Thierry Moisan]

This week I was planning to work on Fast Fourier Transform, Discrete Fourier
Transform and Discrete Hankel Transform subsystems but they all contain
functions which need to input or output arrays, thing we aren't able to do
at the moment with swig. I wrote a message to the swig-user mailing list for
help/tips but I haven't received a response yet. I then worked on BLAS and
CBLAS subsystems which are the next subsystems we want to work on but they
also had problems such as no test suite in the gsl source, so Jonathan
proposed me that I work on it later. I also changed some documentation and
tried to fix the tests inside Linalg and Eigen subsystems. I succeded in
fixing a few tests but some of them still fail, mainly inside Linalg. Within
all this search for tests problems, I found out that the gsl_vector_complex
functions were not added yet to the Vector subsystem, so I added them.

We plan to put our module on CPAN after we'll have cleaned most of the
failing tests. I'll also write a function is_similar_relative to test
relative error like the gsl linalg test suite does.
I'm getting better with the vim editor, I even now have access to the vim
manual from O'reilly editions. I refer to it very often.

The next week will be a week to concentrate on adding more tests, examples
and documentation to all the subsystems we worked on so far. I've spotted a
few subsystems which will need some more work this week such as Poly.

Thierry Moisan
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