Re: ROL and ROR for RPN

Steve Schnepp <[email protected]> Wed, 30 Apr 2014 08:48:56 +0200
Newsgroups gmane.comp.db.rrdtool.devel
Message-ID <CAK+yWWK14G85ci7aMGZGJXr+4DstUJvgDLXjWMu2fyXCm7EQhQ@mail.gmail.com>
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(sorry for the thread hijack)

Le 29 avr. 2014 01:52, "Steve Shipway" <[email protected]> a =C3=A9c=
rit :

> The COUNT, COPY (being a genericisation of DUP) and INDEX look useful as
> well. (But COUNT would need to be renamed as we already have one of those=
)

Make it DEPTH, SIZE or LENGTH, and you're set, as their name is even more
obvious. (SIZE & LENGTH might be ambiguous in that they could be relative
to the properties of the upper element only)

So, that's for the context... Here comes the hijack :-)

Are there some RRD-compatible RPN lib out there ?

I mean, I'd like to do some computation on the values, but as it'll be
regular, I do not want to trigger a rrdcache flush. That rules out regular
rrd functions.

PS, sorry steve, i didnt sent to the list on the first email...

--=20
Steve Schnepp

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<p>(sorry for the thread hijack)</p>
<p>Le 29 avr. 2014 01:52, &quot;Steve Shipway&quot; &lt;<a href=3D"mailto:s=
[email protected]">[email protected]</a>&gt; a =C3=A9crit :</p=
>
<p>&gt; The COUNT, COPY (being a genericisation of DUP) and INDEX look usef=
ul as &gt; well. (But COUNT would need to be renamed as we already have one=
 of those)</p>
<p>Make it DEPTH, SIZE or LENGTH, and you&#39;re set, as their name is even=
 more obvious. (SIZE &amp; LENGTH might be ambiguous in that they could be =
relative to the properties of the upper element only)</p>
<p>So, that&#39;s for the context... Here comes the hijack :-)</p>
<p>Are there some RRD-compatible RPN lib out there ?</p>
<p>I mean, I&#39;d like to do some computation on the values, but as it&#39=
;ll be regular, I do not want to trigger a rrdcache flush. That rules out r=
egular rrd functions.</p>
<p>PS, sorry steve, i didnt sent to the list on the first email... </p>
<p>-- <br>
Steve Schnepp</p>

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