CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 02/15/2017 03:15 PM, Thomas Holzmann wrote:
> Hi,
>
> I have a CGAL::Triangulation_3, which I manually created (just converted
> a given triangulation to a CGAL data structure) and which is valid (
> checked with triangulation.is_valid()). I'm currently using
> Exact_predicates_inexact_constructions_kernel, but I'm having problems
> when making various geometric operation afterwards. Therefore, I want to
> change to Exact_predicates_exact_constructions_kernel.
>
> However, after changing the kernel, the conversion back to a double
> representation doesn't work anymore, ie.
>
> double x = CGAL::to_double(vertex->point().x());
> ...
>
> results in a segmentation fault sometimes. It doesn't happen for all
> vertices, just for some.
>
> The same part of the code with inexact constructions kernel works
> without problems.
>
> Does someone have an idea what the problem could be?
>
> Thomas
Check that the vertex is not the infinite vertex.