#15707: coercion of power series with zero bigoh to polynomials
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Reporter: rws | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.1
Component: algebra | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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{{{
sage: R.<x> = PowerSeriesRing(ZZ)
sage: P.<x> = ZZ[]
sage: r=R([1,1,1,1])
sage: r
1 + x + x^2 + x^3
sage: P(r)
TypeError: unable to coerce <type
'sage.rings.power_series_poly.PowerSeries_poly'> to an integer
}}}
Sage power series can have zero bigoh term, and such series are identical
to polynomials, so coercion should be no problem.
If we should allow zero bigoh in power series is another matter.
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Ticket URL: <http://trac.sagemath.org/ticket/15707>
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