Re: ITL-Boost interface

On Fri, 2003-04-11 at 05:03, Gunter Winkler wrote:
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> Am Dienstag, 8. April 2003 21:58 schrieb Lie-Quan Lee:
> 
> > Currently ITL doesn't have interface to boost BLAS yet. But this is
> > very interesting idea. I will definitely look into that.
> 
> Unfortunatly, creating a uBlas interface is a lot of work, because _all_ 
> preconditioners heavly depend on MTL functions.
> 
> First, they do not include necessary mtl-headers.
> Second, they expect the Matrix-Types to have ::orientation, ::shape, ...
> 
> I already converted the diagonal preconditioner for uBlas, but did not 
> check if it breaks the old interfaces. To make it work I extendend the 
> interface:
> 
>  *   new interface function ele_mult(x,y,z):  z[i] = x[i] * y[i]
>  *   new interface type internal_vector_traits::Vector
>   template <class T>
>   class internal_vector_traits {
>   public:
>     typedef typename boost::numeric::ublas::vector<T>  Vector;
>   };
> 
> I suggest for all preconditioners to use internal_vector_traits and 
> internal_matrix_traits instead of mtl::vector and mtl::matrix.
> 
> regards,
> Gunter
> 

Thanks for providing boost uBlas interface for ITL!!!

The current preconditioners impelementation heavily depends on MTL data
structures. I am considering to change them somehow to remove that
dependency.

-- 
Lie-Quan Lee  (AKA: Rich Lee)          Tel:   650-926-5356
Advanced Computations Department       Fax:   650-926-4603
Stanford Linear Accelerator Center     Email: [email protected]
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