#19676: Bug in Polynomial_element_generic_sparse.gcd
-------------------------------------+-------------------------------------
Reporter: bruno | Owner:
Type: defect | Status: needs_info
Priority: major | Milestone: sage-6.10
Component: basic arithmetic | Resolution:
Keywords: polynomial, gcd | Merged in:
Authors: Bruno Grenet | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/bruno/gcd_polynomial_element_generic|
4bc193fb053214137e5fb4af72dbdac2bac804ea
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by lftabera):
* status: needs_review => needs_info
Comment:
why not use the coercion decorator?
{{{
@coerce_binop
def gcd
}}}
With that change:
{{{
sage: R.<x> = PolynomialRing(ZZ,sparse=True)
sage: S.<y> = R[]
sage: x.gcd(y)
1
sage: _.parent() is S
True
sage: (6*x).gcd(9)
3
sage: _.parent() is R
True
}}}
Is there any reason I am unaware to perform manually the coercion?
--
Ticket URL: <http://trac.sagemath.org/ticket/19676#comment:3>
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