I'm curious about the following behavior:

sage: E = EllipticCurve('37a')
sage: R = E.padic_regulator(7)
sage: len(R.list())
37
sage: s = str(R)
sage: len(R.list())
19

(PS - The default precision for padic_regulator is 20).

The documentation doesn't say anything about what length to expect the
output list, and printing isn't the only thing which changes that
length:

sage: E = EllipticCurve('37a')
sage: R = E.padic_regulator(7)
sage: len(R.list())
37
sage: R.precision_absolute()
20
sage: len(R.list())
37
sage: R.precision_relative()
19
sage: len(R.list())
19

Is this a bug?

-- 
Robert L. Miller
http://www.rlmiller.org/

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