math module bug

[Vlad Dumitrescu XX (LN/EAB)]

Hi,

From: Richard A. O'Keefe
>Why not provide default implementations of the missing functions?
>Link them after libm, and you get the libm versions if they exist
>or the default ones if they don't.

I didn't need a very exact implementation, nor a fast one, so I ended implementing them in Erlang, using linear interpolation.

A C implementation can be found at http://www.ks.uiuc.edu/Research/namd/doxygen/erf_8C-source.html, if the Sun copyright notice is kept.

regards,
Vlad