Hi Soeren,
This is not really a matter for the GRASS PSC. When the PSC approves SVN
commit access for a developer he/she is then permitted to make changes in
SVN as he/she sees fit. Technical issues are in general resolved by
achieving consensus on the developers' mailing list, and the PSC only
arbitrates as a last resort if consensus cannot be achieved. I think
in this instance Hamish suggested it might be a PSC matter because of the
licensing issue - but the simple solution is to re-licence the LGPL code
as GPL when it goes into GRASS, to keep everything under the same licence
(but as I said this is IMHO a matter for the developers' list...)
Just to be clear - the GRASS PSC doesn't interfere in technical
development issues
Hope this is helpful
best regards
Paul
On Mon, 17 Aug 2009, Soeren Gebbert wrote:
Dear PSC,
i would like to make an proposal to include parts of the ccmath* library
into grass to replace the following numerical recipes algorithm in grass:
Located in gmath library:
1.) Computation of eigenvalues in eigen_tools.c.
2.) Linear equation solver in lu.c
3.) Singular value decomposition in svd.c
The library will be located at grass_src/lib/ccmath.
I will patch all effected modules in GRASS.
A new gmath test suite will provide tests for most of the ccmath functions
which will be available in GRASS.
The ccmath library is licensed under the LGPL. I will assure that every
ccmath file includes a LGPL header information and the name of the original
author.
I will place a lgpl.txt license file in the ccmath library directory.
If my proposal will be accepetd, i will commit the changes to the svn
development
repositories of grass6.5 and grass7.
Best regards
Soeren Gebbert
*CCMATH is a mathematics library, coded in C, that contains functions for
linear algebra, numerical integration, geometry and trigonometry, curve
fitting, roots and optimization, Fourier analysis, simulation generation,
statistics, special functions, sorts and searches, time series models,
complex arithmetic, and high precision computations.[1]
[1] http://freshmeat.net/projects/ccmath/
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