#19821: Increase speed for Coxeter groups, Weyl groups, and quantum Bruhat graph
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-7.0
Component: combinatorics | Resolution:
Keywords: quantum bruhat | Merged in:
graph | Reviewers:
Authors: Travis Scrimshaw | Work issues:
Report Upstream: N/A | Commit:
Branch: | bea6b3c96b42255a8f9459b344c625fe22c337d7
public/combinat/speedup_coxeter_weyl_matrix_groups-19821| Stopgaps:
Dependencies: #19870 |
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Comment (by tscrim):
I fixed a trivial failing doctest and implemented a custom `is_one()`,
which is much faster (~30 microseconds to a little over 1) with the
changes to the matrices (in particular, avoiding the coercion calls).
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Ticket URL: <http://trac.sagemath.org/ticket/19821#comment:31>
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