On 2008-09-07 12:26:50 +0200, Martin Krischik wrote: > Indeed - all trigonometric functions are only aproximations. I only > recently had a good look into it. > > http://uiq3.sourceforge.net/wiki/index.php/Office/FX-602P/Diff#Arithmetic_Libraries You can also look at: http://www.vinc17.org/research/testlibm/ -- Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.org/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/> Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)