Re: [boost] numeric: linear algebra concepts

From: David Abrahams (abrahams_at_[hidden])
Date: 2001-03-29 15:59:29

FWIW, Ulli is making sense to me.

----- Original Message -----
From: "Ullrich Koethe" <koethe_at_[hidden]>
To: <boost_at_[hidden]>
Sent: Thursday, March 29, 2001 1:05 PM
Subject: Re: [boost] numeric: linear algebra concepts

> Jeremy Siek wrote:
> >
> > I left it out because it would be nice to allow matrix types to model
> > Ring, and it is problematic implementing matrix multiplication through
> > operator*= efficiently.
> >
>
> Hmm, I'm not sure whether this is a sufficient reason for the inevitable
> surprise. Perhaps a new concept? After all, 'matrix1 *= matrix2' is no
> less efficient then 'matrix1 = matrix1 * matrix2', is it? There is no
> requirement that operator*= must be faster than operator*
>
> Ulli
> --
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> | Ullrich Koethe  Universität Hamburg / University of Hamburg    |
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