Hello Federico, Tuesday, May 1, 2007, 7:23:45 PM, you wrote: > Thanks for the hints. It's a pity that (as far as I know) no one has > written a tutorial on those techniques, except for me :) - http://haskell.org/haskellwiki/Modern_array_libraries -- Best regards, Bulat mailto:Bulat.Ziganshin at gmail.com