[lokedhs]

That's not what I'm talking about. Floating point computations happen when doing risk calculations, for example computing risk numbers in a Black-Sholes calculation.

A difference in the 15'th decimal has no impact on the risk number.

[perl4ever]

I don't have a good counterexample off hand, but I've seen a web page literally display "NaN" where a number should be.

The truth is, I have faith in Murphy's law.