CGAL users discussion list

[Eric Berberich <>]

muhibur wrote:
> Hi,
> Here is the relevant portion of the code. Here "curves" is a vector of
> pointers to a structure "Projected_Curve", each of which contains the
> description of a curve to be inserted into the arrangement. 
>
> void insert_into_arrangement()
> {
>         int i,size;
>         Rational R, S, T, U, V, W;
>         std::list<Conic_arc_2> arcs;
>
>         for(i=0;i<curves.size();i++)
>         {
>                 Projected_Curve * pc =  curves[i];              
>
>                 R = pc->R;
>                 S = pc->S;
>                 T = pc->T;
>                 U = pc->U;
>                 V = pc->V;
>                 W = pc->W;
>
>                 Conic_arc_2 c = Conic_arc_2(R,S,T,U,V,W);
>                 arcs.push_back(c);
>         }       
>         insert_curves(arr, arcs.begin(), arcs.end());
> }
>
> The curve data I mentioned in my last mail was output using <<. What I
> outputted was the r,s,t,u,v,w attributes from the structure
> "Projected_Curve". These are the 'double' versions of R,S,T ...
>
> The error does not occur in the line "Conic_arc_2 c =
> Conic_arc_2(R,S,T,U,V,W);" but in the insert_curves routine. The includes
> and typedefs are exactly same as the example conic.cpp provided in the CGAL
> distribution.
>
> Thanks,
> Muhib

I am sorry, your mail had a similar subject than another thread, so I 
missed it. Thanks for the details. I have been able to reproduce the 
error - I'll next try to find the problem - will get back to you soon.

eriC