Re: [ublas] How to access pointer to matrix/vector elements?

From: Jeremy Conlin (jeremit0_at_[hidden])
Date: 2008-05-27 15:31:38

On Tue, May 27, 2008 at 3:04 PM, Gunter Winkler <guwi17_at_[hidden]> wrote:

> Am Dienstag, 27. Mai 2008 20:58 schrieb Jeremy Conlin:
> > I am trying to call LAPACK functions using ublas objects.  The LAPACK
> > functions require a pointer to the first array element of the matrix.
> >  I tried:
> > matrix<double> A(3,3);
> >
> > and then pass A.data() as the pointer to the elements of A.  The
> > compiler didn't like that.  What is the best way to get the pointer
> > to the elements of A?
> >
>
> AFAIR: use &(A.data()[0]) which is of type double*.

Of course this is the way to do it.  I should have thought of this.

Thanks for the help!

Jeremy