Subject: Re: [boost] different matrix library?
From: DE (satan66613_at_[hidden])
Date: 2009-08-15 13:47:10
on 15.08.2009 at 21:25
joel wrote :
> Ok back to this. I had a discussionw ith my co-worker on this matter and
> our current code state.
> Well, in fact, in MATLAB, the concept of LinAlg matrix and of
> multi-diemnsional container are merged.
> So now, what about the following class set :
> - table : matlab like "matrix" ie container of data that can be
> N-Dimensions. Only suppot elementwise operations.
> - vector/covector : reuse table component for memory management + add
> lin. alg. vector semantic. Can be downcasted to table and table can be
> explciitly turned into vector/covector baring size macthing.
> - matrix : ditto 2D lin. alg. object, interact with vector/covector as
> it should. Supprot algebra algorithm. Can have shape etc ...
> - tensor : ditto with tensor.
> Duck typing + CRTP + lightweight CT inheritance make all these
> Leads to nice stuff like :
> vector * vector = outer product
> covector * vector = scalar product
> vector* covector = matrix
> matrix*vector and covector*matrix are properly optimized
> What do you htink of this then ?
to me it's a lot better now
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk