#14496: unify the three implementations of gaussian q-binomial coefficients
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Reporter: chapoton | Owner: tbd
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.10
Component: combinatorics | Resolution:
Keywords: gaussian binomial | Work issues:
Report Upstream: N/A | Reviewers: Francis Clarke, Travis
Scrimshaw
Authors: Frédéric Chapoton | Merged in:
Dependencies: | Stopgaps:
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Comment (by chapoton):
Here is a new patch.
For point 2, I have now defined gaussian_binomial as being an alias to
q_binomial. The global namespace only contains gaussian_binomial, as
before the patch.
For point 1, I have made some changes in the choice of algo, mainly about
symbolic inputs. But I do not think that it is really worth spending more
time on trying harder to enhance the speed for arbitrary inputs. This
function is supposed to be used mainly without 3rd argument.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14496#comment:16>
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