#19048: AsymptoticRing: an_element
-------------------------------------+-------------------------------------
Reporter: dkrenn | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.9
Component: asymptotic | Resolution:
expansions | Merged in:
Keywords: asymptotics | Reviewers: Benjamin Hackl,
Authors: Daniel Krenn | Clemens Heuberger
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/dkrenn/asy/an_element | ba99790d116341acfd9a691ac0a2f26f705aa988
Dependencies: #17716, #19047, | Stopgaps:
#19319 |
-------------------------------------+-------------------------------------
Changes (by cheuberg):
* status: needs_review => needs_work
Comment:
Doctests pass on `6.9.beta5`. On `6.9.rc0`, they do not (cf. patchbot).
After merging all dependencies into `6.9.rc0`, there is still one failing
doctest:
{{{
sage -t src/sage/rings/asymptotic/asymptotic_ring.py
**********************************************************************
File "src/sage/rings/asymptotic/asymptotic_ring.py", line 655, in
sage.rings.asymptotic.asymptotic_ring.AsymptoticExpression.__pow__
Failed example:
(y^2+O(y))^(-2)
Expected:
Traceback (most recent call last):
...
TypeError: unsupported operand parent(s) for '/':
'Asymptotic Ring <y^ZZ> over Integer Ring' and 'Asymptotic
Ring <y^ZZ> over Integer Ring'
Got:
<BLANKLINE>
Traceback (most recent call last):
...
CoercionException: Infinite loop in action of Integer Ring (parent
<type 'sage.rings.integer_ring.IntegerRing_class'>) and Asymptotic Ring
<y^ZZ> over Integer Ring (parent <class
'sage.rings.asymptotic.asymptotic_ring.AsymptoticRing_with_category'>)!
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/19048#comment:18>
Sage <http://www.sagemath.org>
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