CGAL users discussion list

[Sylvain Pion <>]

Roger House a écrit :
> I have not been able to get this expression to compile with MSVC++
>
>    iterator_distance(P.edges_begin(), I)
>
> where both operands are of type Polygon_2::Edge_const_iterator.  The 
> comment
> in the code below shows the compiler error message.  The attached file
> contains the entire error message with all its gory details.
>
> It seems that two iterators of the same type which point to the same object
> should be acceptable to iterator_distance, but perhaps I fail to understand
> something. 
> Any help will be appreciated.

Having a quick look, it seems that some "const" are missing in
<CGAL/Polygon_2/Polygon_2_edge_iterator.h>, in the operator+ and operator-
(and other) member functions of the Polygon_2_edge_iterator class.
Could you try adding them and report back?

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