Hasan Hasanov wrote:
Hello,
I am looking for a C++ wrapper for the GSL. I will be using lots of linear
algebra, and I am looking for a wrapper that will have operator overlaoding
for matrix-matrix and matrix-vector multiplication/addition in the very
least. It is also very important that it implements an efficient matrix
inversion operator.
So far all I could find on the web are:
1) http://gslwrap.sourceforge.net
2) http://cholm.web.cern.ch/cholm/misc/#gslmm
Which one of these would you recommend? Are there any wrappers that are
actually part of the GSL project itself?
I have already implemented my project in Matlab, and I will be translating
it into C++. Since Octave is the GNU analogue of Matlab I am wondering if
Octave has an C++ API for matrix operations that would be an alternative to
the above two wrappers?
Regards,
Hasan
Hi Hasan:
I worked on the original version of GSLwrap. However, it has changed
quite a bit. I have also ported my pre-GSL Vector/Matrix class library
to use GSL (C++ abstraction is beautiful). I haven't gotten around to
submitting it as a GSL add-on. But, it only deals with linear algebra
and pseudo RNG, so it's quite limited.
Why don't you give those 2 projects a try first? If you then find you
still want more, then drop me a line and I can post some of my code.
However, be warned, it is not documented. But, most of the overloadings
are quite short: 5 lines or less.
Oh, I'm not much of a Matlab user (I have used Scilab occasionally), but
what do the vector/matrix indices start with 0 or 1 (I forget)? My
class library supports both which I really like. I personally use 1
since I have spent so much time with other software that also uses 1
(and of course the mathematics also uses 1, another reason to use C++
abstraction :o).
Thanks,
Rodney
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