#18194: Speedup of calculation of Macdonald H and Ht bases
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Reporter: zabrocki | Owner:
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-6.7
Component: combinatorics | Resolution:
Keywords: sf, days67, sage- | Merged in:
combinat | Reviewers: Travis Scrimshaw
Authors: Mike Zabrocki | Work issues:
Report Upstream: N/A | Commit:
Branch: | 0cb83533bfe821ae24dad1d95e7dc5d520fb1fdf
public/combinat/mac_speedup-18194 | Stopgaps:
Dependencies: |
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Comment (by tscrim):
Okay, so I've managed to gain another 5~10% it seems but doing some mild
code duplication with specialization. I've also had to fix this doctest in
`sfa.py`:
{{{
sage: all( GR_def2(lam) == h.gessel_reutenauer(lam)
....: for n in range(5) for lam in Partitions(n) )
}}}
by explicitly casting the left-hand side to `h` as it now seems to ignore
the equality check by coercion. However this worked for me on a smaller
example, so something subtle seems to have changed with 5ff5d5a... I will
look into this tomorrow for sure, but I will try tonight (after dinner).
--
Ticket URL: <http://trac.sagemath.org/ticket/18194#comment:40>
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