CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Can you provide a segment and bbox that have that problem so that we can
reproduce it (check that reading them back in a stand-alone program you
still have the issue with NaN)

Sebastien.

memecs wrote:
> Ok so I was wrong. My code is indeed equivalent to the draw_dual fun except
> that to be able to rebuild the voronoi faces I iterate through the delaunay
> edges incident to a delaunay vertex.
>
> The problem with NaN comes up when I intersect a voronoi segment/ray/line
> with a rectangle:
>
>
>         if(CGAL::assign(segment,voronoi_obj)) {
>                 // OK here...
>                 intersection_obj = CGAL::intersection(segment,bbox);
>                 if(CGAL::assign(segment,intersection_obj)) {
>                         // Sometimes I get segment with NaN
>                 }
>         }
>
> Example:
>
> voronoi segment: 429.5 84 429.5 84
> voronoi intersection: 429.5 84 -nan -nan
>
>
> --
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> http://cgal-discuss.949826.n4.nabble.com/Voronoi-Diagram-and-NaN-tp4042568p4042728.html
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