On Sun, 22 Aug 2010 15:38:50 +0200 Ludwig Maes <ludwig.maes at gmail.com> wrote: > probably some offset problem? or > hardcoded assumption that it will be longer than 2? Convolution doesn't really make much sense for 1 where it degenerates to simple multiplication. -- Andy Farnell <padawan12 at obiwannabe.co.uk>