CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Add a break instruction after "if(found==0)found=1;" (you have no 
guarantee that obj->halfedges_begin() is still valid.

Sebastien.

On 01/26/2014 12:59 AM, tang wrote:
> Hi Sebastien,
>
> Thank you very much for your kindly remind, I got it.
>
> However, I used the following code (by ), it still crashed. Is there any
> problem in the code?
>
> Thanks.
>
>
>
>
>
>
>         double minimum_edge_length = edgelengthmin*edgelengthmin;  // squared
>         double len;
>         while(1)
>         {
>                 int found=0;
>                 Halfedge_iterator eb0=obj->halfedges_begin() ;
>                 for( Polyhedron::Halfedge_iterator eb = 
> obj->halfedges_begin() ; eb !=
> obj->halfedges_end() ; ++ eb )
>                 {
>                         len=get_edge_length<Polyhedron>(eb);
>                         if(len<minimum_edge_length)
>                         {
>                                 //remove_edge&lt;Polyhedron>(*obj, eb);
>                                 SMS::halfedge_collapse(eb,*obj);
>                                 eb=eb0 ;
>                                 if(found==0)found=1;
>                         }
>                         else
>                                 eb0=eb;
>                 }
>                 if(found==0)break;
>         }
>
>
>
>
> --
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