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[Daniel Duque Campayo <>]

Hello,

I've run a debugger on this program, and

>         Halfedge_handle hh = fd->halfedge();
>         std::cerr << "All is ok." << std::endl;

All is not quite OK: hh is pointed to 0! Hence the seg fault when trying
>        Vertex_handle vh2 = fd->halfedge()->vertex(); //segmentation fault

This seems to fix the problem:

> Facet_handle app2( Polyhedron & P){
>         return P.facets_begin();}

I.e., just pass P by reference (const Polyhedron &P should be more elegant).

Why? I don't know. Passing by reference should be more efficient only...

Best,

Daniel


-- 
Daniel Duque
http://rincon.uam.es/dir?cw=950067138671875