On Feb 21, 2008, at 1:18 PM, John Cremona wrote:

>
> Can someone point me to the documentation for the feature where,  
> for example,
>
> E.__order
>
> is translated to
>
> E._EllipticCurve_finite_field__order ?
>
> It appears that in several places where I thought I was caching data,
> I am not successfully retrieving it, with some serious performance
> consequences in the (accepted) patch for trac #1130 on elliptic curves
> over finite fields.
>
> Basically I need to know when to use the short form and when the  
> long.  I think.

This is a feature of python that I don't completely understand, but  
at least some documentation is here:

http://docs.python.org/ref/atom-identifiers.html

david


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