Re: [rrd-users] NAN and 0 in aggregate graphs

This is a discussion on Re: [rrd-users] NAN and 0 in aggregate graphs within the RRD Users forums, part of the Networking and Network Related category; Alex van den Bogaerdt wrote: > > Hmm, looking at the doc pages it doesn't look like boolean operators &...


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Old 03-31-2008
Simon Hobson
 
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Default Re: [rrd-users] NAN and 0 in aggregate graphs

Alex van den Bogaerdt wrote:

> > Hmm, looking at the doc pages it doesn't look like boolean operators
>> (AND, OR) are provided,

>
>er...
>
>FALSE==0
>TRUE==1 (in reality: TRUE==anything but 0)
>
> \
> x y \ + *
>------------+--------------
>FALSE FALSE | FALSE FALSE
>FALSE TRUE | TRUE FALSE
>TRUE FALSE | TRUE FALSE
>TRUE TRUE | TRUE TRUE
>
>If you want: if (x and y) then B else C:
>
>then use CDEF: x,y,*,B,C,IF



Doh, so obvious when it's pointed out !

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