#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-5.4
Component: categories | Resolution:
Keywords: categories, Hom | Work issues:
Understand why the crash in infinite_polynomial_ring is not fixed and what
happens with r
Report Upstream: N/A | Reviewers:
Simon King
Authors: Nicolas M. Thiéry | Merged in:
Dependencies: #11521, #12215, #12313, #13412. #13145 | Stopgaps:
----------------------------------------------------------+-----------------
Comment (by SimonKing):
Meanwhile #11521 has a new dependency, namely #13447, that is supposed to
fix the segfaults (which apparently came from a wrong refcount in
libsingular).
I am now running `make ptest` on bsd.math.washington.edu, with
{{{
$ hg qa
trac_715_combined.patch
trac_715_local_refcache.patch
trac_715_safer.patch
trac_715_specification.patch
trac_11521_homset_weakcache_combined.patch
trac_11521_callback.patch
13145.patch
trac_13447-sanitise_ring_refcount.patch
trac12215_weak_cached_function-sk.patch
trac12215_segfault_fixes.patch
trac_12313-mono_dict-combined-random-sk.patch
trac_12313_quit_sage.patch
trac13370_deprecate_is_field.patch
trac_13378-convert_map_shortcut.patch
trac_13412_category_for_power_series_rings.patch
trac_12876_category_abstract_classes_for_hom.patch
trac_12876_r_test.patch
}}}
applied on top of sage-5.4.beta0.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12876#comment:97>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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