Re: [boost] [uBLAS] Interest in Possible Small Refactorisation Contribution

From: Toon Knapen (toon.knapen_at_[hidden])
Date: 2002-11-15 03:35:57

On Friday 15 November 2002 05:46, Matt Davies wrote:

Could you post some code and or examples ?

> I noticed some minor duplication in vector.hpp so using cut & paste and
> a little inventiveness I have refactored scalar_vector, unit_vector and
> zero_vector into a single function_vector that takes a single
> vector_index_functor as its template argument. The benefits of this
> refactorisation is that users can further extend with instances of
> analytical functions / interpolants / whatever into a vector and it
> will use the uBLAS optimisations and constructs as appropriate. I have
> already been using it and *really* find it useful where I don't want to
> use excessive memory or less efficient constructs when calculating
> difference norms and/or resolving discretisations. It also saves a
> reasonable amount of duplication in vector.hpp.
>
> Furthermore, I suspect that it might not be an order of complexity
> further to create a function_matrix too based on the same ideas and for
> the same benefits.
>
> Is anyone interested in my work on this? I am guessing that the
> original maintainers probably have already thought of this as a lot of
> their work is still over my head. If anyone is interested and would
> like to guide and review my efforts (needed as this would potentially
> be my first open source contribution -- although small) I am happy to
> do more. I am hoping that (as it is mostly a cut&paste and as my
> original work closely copies the style of the rest of uBLAS) it would
> be easy to assimilate quickly.
>
> Matt
>
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