CGAL users discussion list

[Ashwin Nanjappa <>]

Hi,

I get the following (see below) compile time error message when I do an 
intersection of a Bbox_3 and a Segment_3. What type do I change to get it 
working? What is the problem here?

My current types are as follows:
typedef CGAL::Exact_predicates_exact_constructions_kernel K;
typedef CGAL::Segment_3<K> Segment_3;
typedef CGAL::Bbox_3 Bbox_3;

TIA,
~ash

============================================================
1>c:\program files\cgal-3.3.1\include\cgal\lazy.h(1655) : error C2665: 
'CGAL::exact' : none of the 8 overloads could convert all the argument types
1>        c:\program files\cgal-3.3.1\include\cgal\lazy.h(83): could be 
'const double &CGAL::exact(const double &)'
1>        c:\program files\cgal-3.3.1\include\cgal\lazy.h(84): or 'const 
float &CGAL::exact(const float &)'
1>        c:\program files\cgal-3.3.1\include\cgal\lazy.h(85): or 'const 
int &CGAL::exact(const int &)'
1>        c:\program files\cgal-3.3.1\include\cgal\lazy.h(86): or 'const 
unsigned int &CGAL::exact(const unsigned int &)'
1>        c:\program files\cgal-3.3.1\include\cgal\lazy.h(87): or 'const 
CGAL::Return_base_tag &CGAL::exact(const CGAL::Return_base_tag &)'
1>        c:\program files\cgal-3.3.1\include\cgal\lazy.h(88): or 'const 
CGAL::Null_vector &CGAL::exact(const CGAL::Null_vector &)'
1>        c:\program files\cgal-3.3.1\include\cgal\lazy.h(89): or 'const 
CGAL::Origin &CGAL::exact(const CGAL::Origin &)'
1>        c:\program files\cgal-3.3.1\include\cgal\lazy.h(90): or 'const 
CGAL::Orientation &CGAL::exact(const CGAL::Orientation &)'
1>        while trying to match the argument list '(const CGAL::Bbox_3)'
1>        c:\program 
files\cgal-3.3.1\include\cgal\intersections_3\intersection_3_1_impl.h(831) 
: see reference to function template instantiation 
'CGAL::Lazy_construction_object<LK,AC,EC>::result_type 
CGAL::Lazy_construction_object<LK,AC,EC>::operator 
()<CGAL::Segment_3<R_>,CGAL::Bbox_3>(const L1 &,const L2 &) const' being 
compiled
1>        with
1>        [
1>            LK=CGAL::Lazy_kernel<CGAL::Simple_cartesian<CGAL::Gmpq>>,
1> 
AC=CGAL::CommonKernelFunctors::Intersect_3<CGAL::Simple_cartesian<CGAL::Interval_nt_advanced>>,
1> 
EC=CGAL::CommonKernelFunctors::Intersect_3<CGAL::Simple_cartesian<CGAL::Gmpq>>,
1>            R_=K,
1>            L1=CGAL::Segment_3<K>,
1>            L2=CGAL::Bbox_3
1>        ]
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