Re: [boost] different matrix library?

Subject: Re: [boost] different matrix library?
From: DE (satan66613_at_[hidden])
Date: 2009-08-11 09:16:11

on 11.08.2009 at 15:07
 John Maddock wrote :
> Please note we're not talking about BLAS (C interface), but uBLAS which is
> already a Boost vector/matrix library here: 
> http://www.boost.org/doc/libs/1_39_0/libs/numeric/ublas/doc/index.htm
i know that
but uBLAS is an attempt to implement C library (actually Fortran) by
means of C++ as far as i can see
that is not good
i propose pure C++ solution

> You also need to be very careful with allowing "simple" expressions like

> u = A*v + w

> As traditionally these have awful performance due to the temporaries 
> involved.
of course an implementation must eleminate such performance issues
that's exactly what i'm talking about

> There is also an ongoing Boost-sister-project to devise a "next generation"
> matrix library for C++, but I've lost the link for the moment :-(
unfortunally i don't know about that

-- 
Pavel