#9944: categories for polynomial rings
--------------------------------------------+-------------------------------
Reporter: robertwb | Owner: nthiery
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7.1
Component: categories | Resolution:
Keywords: | Work_issues:
Upstream: N/A | Reviewer: Nicolas M.
Thiéry, Mike Hansen, Martin Raum
Author: Robert Bradshaw, Simon King | Merged:
Dependencies: sage-4.7 + #11139 |
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Comment(by SimonKing):
I found another bug in polynomial_zz_pex.pyx:
{{{
sage: K.<a>=GF(next_prime(2**60)**3)
sage: R.<x> = PolynomialRing(K,implementation='NTL')
sage: R([3,x])
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (1154, 0))
Traceback (most recent call last):
...
TypeError: polynomial() takes exactly one argument (0 given)
}}}
I suggest to not only catch an attribute error (namely when requesting
`e.polynomial()`) but also a type error.
And my preference is to do try a conversion, before raising an error on a
failing coercion. If that sounds reasonable to you then I'll submit an
update of my patch.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9944#comment:84>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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