On Thu, Oct 13, 2011 at 9:59 AM, Alan Braslau <alan.braslau@cea.fr> wrote:

> On Thu, Oct 13, 2011 at 02:30:07AM +0200, Mojca Miklavec wrote:
> >
> > MetaPost doesn't know erf and other obscure functions
>
> Metapost could possibly be extended to provide all of the functions
> in the standard math library. In fact, it would be nice if there be
> some hook to `link' to additional functions, written in C or in Fortran,
> for example. (I regularly use the complex error function.)
> Maybe this could be possible in luatex, made available to metapost
> through some communication pipe?
>
> yes, just build a binding for the library (or use something else like
cinvoke)
http://www.gust.org.pl/bachotex/2011-en/presentations/Scarso_2_2011
pag 15 or so
If I recall correctly, I've built a binding for gsl too.

-- 
luigi