[rrd-users] Re: Distinguishing NaN from 0 in RRDs

[John D. Blair]

Kurt Andersen wrote:
> 
> I tried to troll the archives but couldn't find anything touching
> on how one distinguishes NaN values from 0 values when using
> RRDs::fetch.  Can someone enlighten me?

NaN values are 'undef'.  0 values are 0.

later,
 -john.

-- 
John D. Blair <jblair at quicknet.net>
Senior Software Engineer, Quicknet Technologies, Inc.

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