[rrd-users] Subtraction and NaN values

Fabien Wernli wernli at in2p3.fr
Wed Feb 20 11:06:03 CET 2008

On Tue, Feb 19, 2008 at 01:35:37PM -0300, Eduardo Bragatto wrote:
> CDEF:memBuffer=UNKN,DSmemBuffer,EQ,DSmemBuffer,0,IF
> I was expecting memBuffer to have 0 or the value from DSmemBuffer if  
> it's not NaN.

did you try "U" or "NAN" instead? can't remember the syntax either

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