#11187: Implementation of finite reflection groups
-------------------------------------+-------------------------------------
Reporter: stumpc5 | Owner: tbd
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-7.1
Component: combinatorics | Resolution:
Keywords: reflection group, | Merged in:
days49, days 64.5 | Reviewers:
Authors: Christian Stump | Work issues:
Report Upstream: N/A | Commit:
Branch: | 3da1ebb8a47bdd4ff2c36761b15e663c6d2485fe
u/stumpc5/11187-new | Stopgaps:
Dependencies: #20107 |
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Comment (by stumpc5):
Concerning the iteration through elements without keeping them in memory,
we have to benchmark agains
{{{
gap> i:=0;;
gap> W:=CoxeterGroup("E",7);;
gap> ForEachElement(W,function(x)i:=i+1;
> if i mod 1000000=0 then Print("*\c");fi;
> end);Print("\n");
**
}}}
which takes about a second per million elements, see https://webusers.imj-
prg.fr/~jean.michel/gap3/htm/chap075.htm.
--
Ticket URL: <http://trac.sagemath.org/ticket/11187#comment:132>
Sage <http://www.sagemath.org>
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