#16553: Clean IncidenceStructure
-------------------------------------+-------------------------------------
Reporter: vdelecroix | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.3
Component: combinatorial | Resolution:
designs | Merged in:
Keywords: | Reviewers:
Authors: Nathann Cohen, | Work issues:
Vincent Delecroix | Commit:
Report Upstream: N/A | d69700920609cd6112d2496b8858f94da3642531
Branch: public/16553 | Stopgaps:
Dependencies: |
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Comment (by vdelecroix):
Replying to [comment:48 ncohen]:
> > Everything are now tuples of tuples.
>
> WHYYYYYYYYYYYYYYYYYYYYY everything ?????? Even
`incomplete_orthogonal_array` ? WHy ???? And why steiner triple systems
too ????
>
> Why not only what belongs to a mutable class or is cached ?
>
> This does not maky ANY sense :
>
> {{{
> self._points = tuple(range(v))
> }}}
>
> Why are you converting this to a tuple given that you created it
yourself ? Nobody will change it !
and then
{{{
sage: BD = designs.IncidenceStructure(4)
sage: BD.points().append(19)
sage: BD.points()
[0, 1, 2, 3, 19]
}}}
Should we do a copy each time somebody asked for points?
--
Ticket URL: <http://trac.sagemath.org/ticket/16553#comment:52>
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