Re: [ublas] Matrix with vector interface.

Subject: Re: [ublas] Matrix with vector interface.
From: Oswin Krause (Oswin.Krause_at_[hidden])
Date: 2012-09-17 07:35:00

The easisest way, which dos not require a poxy would be to use 
boost.range and implement a suitable

begin(m) and end(m) along with the required iterator and typedefs.

than your example would look like:

main()
{
       matrix m;
       std::sort(begin(m), end(m), less_module);
}

On 2012-09-17 11:11, Joaquim Duran wrote:
> Sorry to send the example unfinished. Here it is completed.
>
> Example: Sort the columns of a matrix based on their module:
>
> using namespace boost::numeric::ublas;
>
> template <typedef Vector>
> bool less_module(const Vector& v1, const Vector& v2)
> {
>       return norm_2(v1) < norm_2(v2);
> }
>
> main()
> {
>       matrix m;
>       column_facade(m);
>       std::sort(m.begin(), m.end(), less_module);
> }
>
> Joaquim Duran
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