Re: easier way to monitor a sequence from ezgraph?

[Marcus G. Daniels]

>>>>> "PJ" == Paul E Johnson <address@hidden> writes:

PJ> Anyway, I create a sequence and probe into it to get the
PJ> averager object out of it

Ivars internal to Swarm can change at any time, so I'd say you're
asking for trouble by doing that. 

PJ> If not, what would be the objections against me digging 
PJ> into the Swarm source and adding an IVAR to any sequence called 
PJ> "currentValue" or something and a method "getCurrent" to retrieve it?

A getCurrentValue seems like it could be useful (that both EZSequence
and EZAverageSequence would return).  Don't add an ivar if it is not
needed, though.

PJ> If you wanted a simulation to end when the average is 0, how
PJ> likely with there be trouble if I compare a double against 0:

PJ> if ([nchanges getAverage] == 0)

Why not be clear and use "< DBL_MIN"?  (Assuming getAverage is a double.)

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