Pix and I are here working in AVLAB using [iir] for filtering data  
from [wiimote]. It turns out that [iir] gets stuck at inf or -inf if  
it receives one.  This makes sense in a math sense, but not in a Pd/ 
practical sense.

We are thinking that [iir] should filter out -inf, inf, and perhaps  
nan as well.  Seems like they would be useful objects for other  
things too.  Something like:

- filter nan        [no_nan]
- filter inf/-inf   [no_inf]

.hc

------------------------------------------------------------------------ 
----

Terrorism is not an enemy.  It cannot be defeated.  It's a tactic.   
It's about as sensible to say we declare war on night attacks and  
expect we're going to win that war.  We're not going to win the war  
on terrorism.        - retired U.S. Army general, William Odom



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