CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 11/03/2013 05:00 AM, grivet wrote:
> Hi,
>
> I have old code based on CGAL 3.0. I would like to update this code to use
> latest version of CGAL (4.3). The old code is using these typedef
>
> typedef CGAL::Filtered_exact<double, CGAL::MP_Float>          NT;
> typedef CGAL::Cartesian<NT>                                   Rep;
>
>
> Filtered_exact<> is deprecated. The documentation suggests to replace it by
> Filtered_kernel
>
> http://www.cgal.org/Manual/3.2/doc_html/cgal_manual/NumberTypeSupport_ref/Class_Filtered_exact.html#Cross_link_anchor_1137
>
> In my code I change these two typedef by
>
> typedef CGAL::Simple_cartesian<CGAL::MP_Float> Rep;
> typedef CGAL::Filtered_kernel<Rep>                                      NT;

You should use:
typedef CGAL::Filtered_kernel< Simple_cartesian<CGAL::Gmpq> > K;
typedef K::NT NT;

or even
typedef CGAL::Exact_predicates_exact_constructions_kernel K;

Sebastien.

> In my old code (CGAL v3.0) I have something like that
>
> std::vector<NT> mdists;
> mdists.resize( triang.number_of_vertices(), NT(0) );
>
> At compilation step I receive this error
>
> <function-style-cast>' : cannot convert from 'int' to 'NT'
>
> Are my type def are correct?
> Is is the rest of the code that need to be changed?
>
> thank you
>
>
>
>
>
>
>
> --
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