#15345: Laurent polynomial rings don't preserve coercion
-------------------------------------+-------------------------------------
Reporter: darij | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.2
Component: algebra | Resolution:
Keywords: laurent | Merged in:
polynomials, polynomials, | Reviewers:
coercion, categories | Work issues: add doctests
Authors: Frédéric Chapoton | Commit:
Report Upstream: N/A | 6d4916c33c0dc3c96f34740ce511b750333fa781
Branch: u/chapoton/15345 | Stopgaps:
Dependencies: |
-------------------------------------+-------------------------------------
Changes (by tscrim):
* status: needs_review => needs_work
Comment:
This breaks division:
{{{
sage: T.<x> = LaurentPolynomialRing(QQ)
sage: 1 / x
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
...
TypeError: <lambda>() takes exactly 1 argument (2 given)
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15345#comment:13>
Sage <http://www.sagemath.org>
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