#20138: Information set decoding for linear codes
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Reporter: dlucas | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-7.1
Component: coding theory | Resolution:
Keywords: | Merged in:
Authors: David Lucas | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/dlucas/information_set_decoding | 0e1391d358018382db6cc0a59014ef934239987e
Dependencies: #19653 | Stopgaps:
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Changes (by {'newvalue': u'David Lucas', 'oldvalue': ''}):
* status: new => needs_review
* author: => David Lucas
Comment:
I made some changes:
- `window_size` and `number_errors` (previously `p` and `w`) are no longer
parameters of `decode_to_code` but class arguments to provide at
construction time. `number_errors` can be provided as a tuple/list, and in
that case, the decoder will iterate over it when trying to decode a word.
- I completely reworked the documentation, explained how the algorithm
works and added a lot of doctests.
- I completed input sanitization with some extra checks.
- I fixed a stupid bug: only `**kwargs` was considered on Decoder/Encoder-
related methods from `AbstractLinearCode`, like `decoder()`. So,
`C.decoder('InformationSet', 2, 2)` was not working...
This is now open for review.
--
Ticket URL: <http://trac.sagemath.org/ticket/20138#comment:4>
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