#12876: Fix element and parent classes of Hom categories to be abstract, and
simplify the Hom logic.
-------------------------------------+--------------------------------------
Reporter: nthiery | Owner: nthiery
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.1
Component: categories | Resolution:
Keywords: categories, Hom | Work issues:
Report Upstream: N/A | Reviewers: Simon King
Authors: Nicolas M. Thiéry | Merged in:
Dependencies: | Stopgaps:
-------------------------------------+--------------------------------------
Changes (by nthiery):
* reviewer: => Simon King
Comment:
Note: there are two doctests failures that I don't know how to handle,
related to the refcounting of Singular rings::
{{{
sage -t devel/sage-
combinat/sage/rings/polynomial/multi_polynomial_libsingular.pyx
**********************************************************************
File "/opt/sage-5.0.beta11/devel/sage-
combinat/sage/rings/polynomial/multi_polynomial_libsingular.pyx", line
418:
sage: len(ring_refcount_dict) == n
Expected:
True
Got:
False
sage -t devel/sage-combinat/sage/libs/singular/ring.pyx
**********************************************************************
File "/opt/sage-5.0.beta11/devel/sage-
combinat/sage/libs/singular/ring.pyx", line 469:
sage: ring_ptr in ring_refcount_dict
Expected:
False
Got:
True
}}}
Help fixing those welcome!
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12876#comment:3>
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