On Mon, Mar 10, 2014 at 04:48:14PM +0000, Simon King wrote:
> Is it a problem to have a multitude of different implementations of
> polynomials in Sage?
>
> All different implementations of polynomial rings inherit from a base class
> that is specific to polynomials. However,
> sage.modules.free_module.FreeModule_generic
> inherits from sage.modules.Module_old, whereas
> sage.combinat.free_module.CombinatorialFreeModule
> (which is a bad choice of a name, I think) inherits from
> sage.modules.module.Module
> (not Module_old). That's suspicious.
In both cases, I believe the most important is that the various
implementations inherit from the same category. And then, if really
useful, from a common class.
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <[email protected]>
http://Nicolas.Thiery.name/
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