Re: Why is NaN used as extrapolation value?

[Søren Hauberg]

David Bateman skrev:
> Søren Hauberg wrote:
> > David Bateman skrev:
> > > Søren Hauberg wrote:
> > > > Would this cause incompatibilities? I mean, 'isnan(NA)' produces
> > > > 'true' since 'NA' is a NaN.
> > > I'm sure some users will find a way to make it incompatible like "(val
> > > == NaN)" for example :-)
> > Hey, now you're just making stuff up :-)
> > That wouldn't work since 'NaN ==NaN' returns false.
> Soren,
>
> I have no objections to such a change, but only if it doesn't cause more
> bug reports. If you are sure that the only way to check for NaN is the
> "isnan" function then why not..
I just realised my previous mail might have sounded rude (it wasn't 
meant as such). Anyway, I'll cook up a patch tonight unless somebody 
gives me reason not to. Then we'll see what happens...

Søren