> Is a mix really warranted here? Could just use
> return result && !(isaNaN || isbNaN) (since the other mix part is just
> false I think mix is a bit overkill, albeit it might not really make a
> difference).
> Actually I think it should be simplified, you don't need to check both
> vars for NaN (because if just one is NaN, the comparison(s) will be
> false anyway).
> so just return result && !isaNaN

This saves 2 instructions, granted that is a minor drop in a very large
ocean, but seems fine to just do it.

Dave.
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