#11900: Serious regression caused by #9138
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Reporter: SimonKing |
Owner: tbd
Type: defect |
Status: needs_work
Priority: major |
Milestone: sage-4.7.3
Component: performance |
Keywords: categories regression
Work_issues: fiy doctests, fix categories for polynomial rings |
Upstream: N/A
Reviewer: |
Author: Simon King
Merged: |
Dependencies: #9138
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Comment(by SimonKing):
In the doc of `sage.categories.category.Category.all_super_categories`,
there is stated:
{{{
FIXME:
- make sure that this is compatible with the python algorithm
for method resolution and make it O(n+m)
}}}
I think that would be an excellent idea, because the category hierarchy
(determined by `all_super_categories`) and the method resolution order of
the parent classes should be the same.
I doubt whether Python's mro is O(n+m), though. I know Python's mro
algorithm and could implement it, but certainly it could be imported from
somewhere, so that my programming effort is not needed here.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11900#comment:42>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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