a.index(float('nan')) fails
Cameron Simpson
cs at zip.com.au
Fri Oct 26 01:57:17 EDT 2012
On 25Oct2012 22:04, Terry Reedy <tjreedy at 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 <cs at zip.com.au>
In article 1t8n9hINNq9j at dns1.NMSU.Edu, mcrider at 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.Green at East.Sun.COM, DoD#0111
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