#13591: Improve padic add_bigoh
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Reporter: saraedum | Owner: roed
Type: enhancement | Status: new
Priority: trivial | Milestone: sage-5.5
Component: padics | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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There are a few minor issues with {{{add_bigoh()}}} of the padics:
I believe that all these should produce errors:
{{{
sage: K = ZpCR(3,20)
sage: K.one().add_bigoh(-1)
O(3^-1)
sage: K = ZpCA(3,20)
sage: K.one().add_bigoh(-1)
O(3^0)
sage: K = ZpFM(3,20)
sage: K.one().add_bigoh(10)
1 + O(3^20)
}}}
Additionally, {{{add_bigoh()}}} doesn't work for infinity which can be
annoying sometimes:
{{{
sage: K.one().add_bigoh(infinity)
TypeError: unable to coerce <class 'sage.rings.infinity.PlusInfinity'> to
an integer
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13591>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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