#18099: Prepare linear_code for inheritance
-------------------------------------+-------------------------------------
Reporter: dlucas | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.6
Component: coding theory | Resolution:
Keywords: sd66 | Merged in:
Authors: David Lucas | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/dlucas/prepare_linear_code_for_inheritance|
6fc5eb18f749e4ee36af0203e22d13a67e2a5fe4
Dependencies: | Stopgaps:
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Comment (by dlucas):
Hello,
Here is what I did:
- as Vincent suggested, `generator_matrix()` is now an abstract method
(returns `NotYetImplemented`) in `AbstractLinearCode`. I set an
implementation of it in `LinearCode`, and I changed the docstring of the
abstract class accordingly.
- as
{{{
self.Element = type(facade_for.an_element())
}}}
seemed harmless to removed (tested with the `TestSuite().run` method
presented in the category tutorial) I killed it.
- I actually removed `_gens` parameter from `LinearCode` and removed the
related part in `gens()` method, so duplicated cache anymore.
- However, I did not inherit from `FreeModule_submodule_field` because as
far as I understand, it forces us to set the generator matrix as a class
attribute, which is something we really do not want to do.
--
Ticket URL: <http://trac.sagemath.org/ticket/18099#comment:28>
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