#20177: Better checks in GRS decoders
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Reporter: dlucas | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-7.1
Component: coding theory | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Some checks on the output on `decode_to_code` for Gao, Berlekamp-Welch and
Key-Equation Syndrome decoders are actually useless.
I also noticed that the nature of the input code of GRS decoders is never
checked: one can perform the following:
```
C = codes.RandomLinearCode(10, 4, GF(7))
D = codes.decoders.GRSGaoDecoder(C)
```
and actually construct the decoder... Whose decoding methods will utterly
fail with a terrible error message!
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Ticket URL: <http://trac.sagemath.org/ticket/20177>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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