#13501: Fix two bugs in sage.misc.c3's implementation of the algorithm C3
-------------------------------------------------+--------------------------
Reporter: nthiery | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.4
Component: categories | Resolution:
Keywords: method resolution order | Work issues:
Report Upstream: N/A | Reviewers: Simon King
Authors: Nicolas M. Thiéry, Simon King | Merged in:
Dependencies: #12895 | Stopgaps:
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Comment (by SimonKing):
Replying to [comment:28 nthiery]:
> There is a failure in sage_object, probably trivial/unrelated, but I
haven't looked at it yet; I need to take of now!
The error is when unpickling stuff. In principle, a different mro could
change things. On the other hand, this should only affect parent and
element classes of categories - and they are pickled by construction
(hence, it is not the case that the mro is stored in the pickle).
Anyway, I get:
{{{
./sage -t devel/sage/sage/structure/sage_object.pyx
sage -t "devel/sage/sage/structure/sage_object.pyx"
[11.5 s]
----------------------------------------------------------------------
All tests passed!
Total time for all tests: 11.5 seconds
}}}
with
{{{
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_13501-categories-c3_fix-nt.patch
trac_13501-c3-speedup-sk.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/13501#comment:29>
Sage <http://www.sagemath.org>
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