Nice work! FFI confuses me too. I thought about exploring it some more and then document it but time did not allow. 

On Aug 23, 2011, at 1:27 PM, Nicolas Cellier <nicolas.cellier.aka.nice at gmail.com> wrote:

> Hurrah! After 5 years of inaction with eyes turned toward heavens,
> brain waiting for a miraculous enlightening, I suddenly had the
> illumination and solved most of may Smallapack problems in Squeak!
> See http://smallissimo.blogspot.com/2011/08/smallapack-progress-on-squeak.html
> This post shall interest anyone using or wanting to use FFI. Unless
> maybe I was the last idiot not knowing how to ;)
> This information shall be written in FFI classes comment, in the WIKI
> and every place pretending to inform the poor unaware users like me.
> 
> Nicolas
>