CGAL users discussion list

["Max" <>]

The error message issued by VS2008:

1>E:\Lib\CGAL-3.4\include\CGAL/Nef_3/Pluecker_line_3.h(150) : error C2446: 
':' : no conversion from 'CGAL::Null_functor::result_type' to 'CGAL::Gmpq'
1>        No user-defined-conversion operator available that can perform this 
conversion, or the operator cannot be called
1>        E:\Lib\CGAL-3.4\include\CGAL/Nef_3/Pluecker_line_3.h(137) : while 
compiling class template member function 'void 
CGAL::Pluecker_line_3<Tag,R>::normalize(void)'
1>        with
1>        [
1>            Tag=Kernel_tag,
1>            R=CGAL::Homogeneous<CGAL::Gmpq>
1>        ]
1>        E:\Lib\CGAL-3.4\include\CGAL/Nef_3/SNC_external_structure.h(468) : 
see reference to class template instantiation 'CGAL::Pluecker_line_3<Tag,R>' 
being compiled
1>        with
1>        [
1>            Tag=Kernel_tag,
1>            R=CGAL::Homogeneous<CGAL::Gmpq>
1>        ]
1>        E:\Lib\CGAL-3.4\include\CGAL/Nef_3/SNC_external_structure.h(434) : 
while compiling class template member function 'void 
CGAL::SNC_external_structure_base<Items_,SNC_structure_>::pair_up_halfedges(void)
 const'
1>        with
1>        [
1>            Items_=CGAL::Default_items<Kernel>::Items,
1>            
SNC_structure_=CGAL::SNC_structure<Kernel,CGAL::Default_items<Kernel>::Items,bool>


> -----Original Message-----
> From: Max 
> [mailto:]
>  On Behalf Of Max
> Sent: Thursday, April 02, 2009 7:49 PM
> To: 
> ''
> Subject: [cgal-discuss] CGAL 3.4 - Simple program not compiles
> 
> Hello,
> 
> The following simple program does not compile. I'm using VC2008SP1
> under WinXP/SP1.
> 
> #include <CGAL/Extended_homogeneous.h>
> #include <CGAL/Gmpq.h>
> #include <CGAL/Nef_polyhedron_3.h>
> 
> typedef CGAL::Extended_homogeneous<CGAL::Gmpq> Kernel;
> 
> typedef CGAL::Nef_polyhedron_3<Kernel>        Nef_polyhedron_3;
> typedef CGAL::Plane_3<Kernel> Plane_3;
> 
> 
> int _tmain(int argc, _TCHAR* argv[])
> {
>       Nef_polyhedron_3 N;             // w/o this line, it compiles well
>        return 0;
> }
> 
> Thanks for any help.
> 
> B/Rgds
> Max