#10086: Coercion works incorrectly for power series over power series
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Reporter: schilly | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.6
Component: symbolics | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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This was reported via the "Report a Problem" link:
When I try the following:
{{{
S1 = LazyPowerSeriesRing(ZZ)
S2 = LazyPowerSeriesRing(S1)
t = S1.term(1, 1) # same results with t = S1.gen()
tt = S2(t)
tt.coefficient(0)
}}}
this yields 0. Trying
{{{
tt.aorder
}}}
I get 1.
The series tt is the series with constant term equal to t, so its order
should be zero and its 0th coefficient should be t.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10086>
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