#9138: Categories for polynomial rings
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Reporter: jbandlow | Owner: nthiery
Type: defect | Status: needs_info
Priority: major | Milestone: sage-4.7
Component: categories | Keywords: introspection, categories
Author: Simon King | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by SimonKing):
But apparently one ''can'' work around the mro:
{{{
sage: timeit('R.base_ring()',number=10^6)
1000000 loops, best of 3: 470 ns per loop
sage: timeit('Parent.base_ring(R)',number=10^6)
1000000 loops, best of 3: 352 ns per loop
}}}
So, if speed matters, it might be worth while to use the idiom above to
speed things up. I'll ask on sage-devel whether there is a more
elegant/pythonic way to cope with a long mro.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9138#comment:16>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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