--- Cariotoglou Mike <[EMAIL PROTECTED]> wrote:
> collating sequences do not apply to floating point comparisons, do they?
Hmmm, excellent point. Guess I didn't think too hard about that
one.
But the other point is the real show-stopper, how should the software deal
with the circumstances where A==B, B==C and A!=C?
> > > two floats A and B should be compared with this algorithm :
> > >
> > > diff=A-B
> > > if (diff>tolerance) then A>B
> > > else if (diff<-tolerance) then A<B
> > > else A = B
> >
> > You could define a new collation sequence to do all that.
> > However, it's difficult to say what will happen when you have
> > three numbers A, B and C such that A==B and B==C but A!=C.
> > This will cause the occasional oddity.
> >
> > But if you know for some reason this will never happen,
> > everything will work fine. "Know"....
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