float equality

[Walter Bright]

dsimcha wrote:
> You, my friend, have obviously never used a computer algebra system (my 
> favorite is Maxima) at all seriously.  I'm not saying it's a practical 
> solution in the context of this discussion, but it is a possible 
> solution in a lot of cases.  Basically, if you can't compute something 
> exactly, you do the math symbolically (but programmatically) for as long 
> as possible.  You convert to a floating point number only when it's 
> explicitly asked for.

I do understand that if you have a full symbolic representation, you can do so 
with zero losses. But Kevin's proposal was not that, it was for a ratio 
representation.

All it represents symbolically is division. There are plenty of other operations.