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[Benoit Lahoz <>]

Hello, 

I'm refining a 2D Constrained Delaunay Triangulation with a
Delaunay_Mesher_2 mesher. 

It works well, but sometimes blocks the execution of the whole program
without any apparent reason, and without crashing. I can't find any way to
get information about this issue. 

The program is stuck between the first call to refine_mesh() and the second
call, after setting a Criteria. 

        Mesher mesher(_cdt);
        mesher.refine_mesh();

        mesher.set_criteria(Criteria(0.27, 0.5));

       * // -> STUCK HERE*

        mesher.refine_mesh();

My CDT is valid and contains only 14 vertices. 
Could it be a thread-safety issue ? 

Thank you. 

Benoît



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