[Ifeffit] path-sensitive math expressions

[Matt Newville]

Bruce,

> Yes, and it would be helpful.  I spent a solid half hour staring at an
> Artemis log file today figuring out what I explained in my last
> email.  In the end, I think it would be useful to be able to select a
> path as the one whose index path_index is set to after a fit
> finishes.  That would clarify how the def parameters are reported by
> Artemis after a fit -- which is currently confusing, as I discovered
> today.

I think this file:
   http://cars.uchicago.edu/ifeffit/bugfixes/iff_set.f

(drop-in-place for src/lib/iff_set.f) fixes the problem.
Let me know how this works out, 

--Matt

Maybe it's time to get CVS working on SF.net??