Steve;


It's weirdness, but I can't imagine a program in any language I know
of actually having trouble parsing -0.0.


Aren't situations like this the reason why we have standards for the representation of floating point numbers? I seem to remember something like that.

Ah, here it is;
http://en.wikipedia.org/wiki/IEEE_754

Negative zero is a part of that standard. Sticking to that standard, even if it's slightly weird, will probably prevent issues more than cause them, I'd imagine.

Yours,
Kas.