#16922: find_brouwer_van_rees_with_one_truncated_column
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Reporter: ncohen | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: combinatorial | Resolution:
designs | Merged in:
Keywords: | Reviewers:
Authors: Nathann Cohen | Work issues:
Report Upstream: N/A | Commit:
Branch: public/16922 | 822f174b04d1fbea062e4431bbba4a95215c4071
Dependencies: #16920 | Stopgaps:
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Changes (by ncohen):
* status: needs_work => needs_review
Comment:
Sorry about that. Don't know where the segfaults came from, but when I
solved the bug about the "more than 4 values needed to unpack" there was
none left.
Also, I rewrote history to move this last commit above its dependencies
(in which commits had been added in the meantime).
This should be better now.
By the way: the current implementation may look a bit "hacky". The thing
is that it is 'a bit too early' to implement this construction, because at
the moment there are no 'nice' functions to query the database of
incomplete orthogonal arrays, and there is none yet because caching
incomplete orthogonal arrays is much harder than caching orthogonal arrays
(more parameters, mainly !). In the future we may even have find functions
for incomplete orthogonal arrays and stuff.
Well, I have to write that and because it is not exactly straightforward
to get a good design (and because it requires a lot of 'administrative'
code) I implemented that first.
Still, it works and it is not so bad.
Well, just know that I am not intending to leave that code in the current
state. Though I tried to not make it too awful either, and of course the
review is there to fix anything you will not like.
Branch updated.
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/16922#comment:4>
Sage <http://www.sagemath.org>
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