CGAL users discussion list

[Sylvain Pion <>]

 a écrit :
> i found a possible bug in CGAL::intersection when i try to intersect two 
> objects of type Triangle_2. in the case where the intersection should be a 
> triangle something doesn't work properly, the result is that i the function 
> returns no object.
>
> i'm using CGAL version 3.1, but as far as i can see from the list of changes 
> this problem hasn't been resolved in version 3.3

Please try 3.3.1.  The changes list does not always go in every detail.

> i use microsoft visual c++ compiler.
>
> the following code should return a Triangle_2 when i try intersecting the 
> triangles {(0,0),(1,0),(0,1)} and {(0.1,0.1),(1.1,0.1),(0.1,1)}.
>
>
>
> #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
> #include <CGAL/intersections.h>
> #include <CGAL/Polygon_2.h>
>
> #include <fstream>
>
> struct K : CGAL::Exact_predicates_inexact_constructions_kernel {};

What does it give for Exact_predicates_exact_constructions_kernel ?

--
Sylvain Pion
INRIA Sophia-Antipolis
Geometrica Project-Team
CGAL, http://cgal.org/