CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Sebastien Loriot (GeometryFactory) wrote:
> mahdavi wrote:
> > hi,all
> > I use kernel " Exact_predicates_exact_constructions_kernel" , I have one
> > question,what is type a Variable for radius of sphere?
> > Sphere_3 k;
> > type t;
> > t=k.squared_radius();
> > ///////////////////////////////
> > thanks.
> It is Exact_predicates_exact_constructions_kernel::FT, which is
> CGAL::Gmpq if you configured CGAL to use GMP (the default) and 
> CGAL::Quotient<MP_Float> > otherwise.
>
>
> S.
Sorry I said something wrong.

It is either CGAL::Lazy_exact_nt<CGAL::Gmpq> or 
CGAL::Lazy_exact_nt<CGAL::Quotient<MP_Float> > >


S.