Re: [ublas] Vector of size 3 without the size element

From: Riccardo Rossi (rrossi_at_[hidden])
Date: 2007-05-29 05:00:51

this should do for you...

at least it is the one we use routinely

greetings

Riccardo

On Tue, 2007-05-29 at 11:11 +0300, Dima Sorkin wrote:
> Hi.
>  It can be c_vector, from
> http://www.boost.org/libs/numeric/ublas/doc/types_overview.htm
> 
> I don't sure that if you put an array of c_vector, then all
> floating numbers will sit continuously in memory (compiler can add some
> spaces).
> 
> May be a 3xN matrix fits your needs ?
> 
> Regards,
>  Dima.
> 
> Quoting "Langeland, Stian (GE Healthcare)" <Stian.Langeland_at_[hidden]>:
> 
> > Hi,
> > 
> > I have been trying to create a vector of 3 elements (a point) without
> > the size element stored in the object. The reason for this is that I
> > need to be able to have all the elements consecutive in memory when
> > gathering several points in a std::vector. In this way all points in the
> > std::vector can be uploaded to a graphics card using a single memcopy.
> > Can this be acheived using ublas? I have not been able to find a way.
> > 
> > Thanks,
> > Stian
> > _______________________________________________
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> > 
> 
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