[rrd-developers] NAN-safe ADD

[Steve Hill]

On Thu, Mar 06, 2008 at 06:48:32AM +0100, Tobias Oetiker wrote:

> or if you insist to make this simpler, how about implementing a
> NANTOZERO operator ?

Wouldn't a generic 'IFNAN' operator be more useful? That way I could
substitute any other value, as appropriate for my calculation. You
could still get the NANORZERO with something like:

a,0,IFNAN

Steve