Hi Alberto. first of all thanks for an awesome library, it really makes life a lot easier. Then thanks as well for Your openness on the re-licensing issue. I played with the thought of starting some numeric software with haskell - haskell is a really exiting language in that respect, the efficient matrix calcs however are of the essence. Very likely it won't happen now - for other reasons, but I realised that for promoting Haskell further this could be a key issue. Now it definitely doesn't sound trivial to get away from the external libraries for efficient matrix storage via optimised c-code, but whatever u can move without big effort is a start. But no pressure from my side, Cheers Phil -- View this message in context: http://haskell.1045720.n5.nabble.com/ANN-hmatrix-0-11-tp3357796p3358841.html Sent from the Haskell - Haskell-Cafe mailing list archive at Nabble.com.