On 25Oct2012 22:04, Terry Reedy <tjre...@udel.edu> wrote:
| Containment of nan in collection is tested by is, not ==.
|  >>> nan = float('nan')
|  >>> nan2 = float('nan')
|  >>> nan2 is nan
| False

This argues otherwise, and for use of math.isnan() instead.

I expect you were making the point that another NaN is distinct, but it
didn't seem clear to me.

Cheers,
-- 
Cameron Simpson <c...@zip.com.au>

In article 1t8n9hinn...@dns1.nmsu.edu, mcri...@acca.nmsu.edu (Mcrider) writes:
>Could one of you physicist-type cyber-riders give a lucid description/
>explanation of what some folks loosely refer to as a 'tank-slapper'?

An undamped oscillation of camber thrust, with positive feedback,
applied to the front contact patch?  :^)
        - Ed Green, ed.gr...@east.sun.com, DoD#0111
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