#4656: power series with zero p-adic coefficients
---------------------------+------------------------------------------------
Reporter: wuthrich | Owner: was
Type: defect | Status: new
Priority: minor | Milestone: sage-3.2.1
Component: number theory | Keywords: padic powerseries
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The following _repr_ does not look good to me
{{{
sage: R.<T> = Qp(5,5)[[]]
sage: O(5^3)*T
0
sage: 1+O(5^3)*T
1 + O(5^5) + O(5^3)*T
}}}
But that is due to
{{{
sage: s= O(5^3)*T
sage: s.is_zero()
True
sage: s == R(0)
False
}}}
This I consider to be a bug according to the docstring of s.is_zero?
saying
{{{
Return True if self equals self.parent()(0).
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4656>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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