Re: [boost] ublas & clapack

From: Joerg Walter (jhr.walter_at_[hidden])
Date: 2002-04-10 14:09:53

Hi Ian,

you wrote:

> > > P.S.: To give an impression, how the test integration works, I'll
include a
> > > sample implementation and a cutout of the modified CLAPACK's
blaswrap.h.
> >
> > and I suppose gmm is implemented using ublas routines. So this also
compares
> > the speed of ublas with BLAS (I'v always been thinking in the other
> > direction, that you made binding for BLAS to be able to call BLAS using
ublas
> > matrices)
>
> What is the point of reimplementing BLAS?

To reuse 20 years of experience in testing basic linear algebra subprograms
for a C++ matrix library.

> Do you really expect to end up
> with something better than, say, the ATLAS implementation?

On what terms?

> What extra
> functionality does ublas give?

ublas is a C++ matrix library based on expression templates. For a short
introduction see www.genesys-e.org/ublas/overview.htm.

Best regards

Joerg