Hello Paul, 2009/8/18 Paul Kelly <[email protected]>
> 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...) IMHO it may be difficult to re-license the ccmath library under the GPL ... . > > > Just to be clear - the GRASS PSC doesn't interfere in technical development > issues > Hope this is helpful > best regards Ok, if the licensing issue is a topic for the grass developer list, i will discuss this there. Thanks for your reply. Best regards Soeren > > > 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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