Sören Gebbert wrote: > But the gmath lu solver is code from the numerical recipes, > we have to rewrite this method.
re N.R. code in GRASS, http://thread.gmane.org/gmane.comp.gis.grass.devel/18764/focus=18791 (this is just fyi, it is of course a good idea to remove the issue altogether by removing any code based on N.R.) On 2007-02-26, Stefano wrote: > Note that previous GRASS development team (CERL) had > an agreement with the authors of NR, to use freely NR: [grass5/src.nonGPL/README] /* Based on "Numerical Recipies in C; The Art of Scientific Computing" (Cambridge University Press, 1988). Copyright (C) 1986, 1988 by Numerical Recipes Software. Permission is granted for unlimited use within GRASS only. [...] Bill Press */ [sic] If this agreement was with CERL I assume that means it predates GRASS moving to the GPL. The GPL audit alluded to in grass5/TODO.txt and grass5/src.nonGPL/ should have caught all known occurrences. grass-5.4.0$ grep -rI "Numerical Recipes" * | cut -f1 -d: | uniq TODO.txt html/grass_commandlist.html html/html/r.kineros.html html/html/r.surf.random.html html/html/r.tribs.html src/raster/r.surf.gauss/main.c src/raster/r.surf.gauss/README src/raster/r.surf.gauss/source.txt src/raster/r.surf.random/README src/raster/r.surf.random/SOURCE.TXT src.contrib/CERL/sites/s.surf.krig/NR.c src.contrib/CERL/sites/s.surf.krig/nrutil.c src.nonGPL/display/d.param.scale/CHANGES src.nonGPL/README A quick grep for "Numerical Recipes" in 6.3-cvs finds these references: raster/r.surf.random raster/r.surf.gauss Although both modules' main.c ask: /* still true ?*/ Hamish _______________________________________________ grass-dev mailing list grass-dev@grass.itc.it http://grass.itc.it/mailman/listinfo/grass-dev
