CGAL 6.0.2 - 2D and 3D Linear Geometry Kernel

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Kernel_23/intersection_visitor.cpp
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/intersections.h>
typedef CGAL::Exact_predicates_exact_constructions_kernel K;
typedef K::Point_2 Point_2;
typedef K::Segment_2 Segment_2;
typedef K::Line_2 Line_2;
typedef K::Intersect_2 Intersect_2;
struct Intersection_visitor {
typedef void result_type;
void operator()(const Point_2& p) const
{
std::cout << p << std::endl;
}
void operator()(const Segment_2& s) const
{
std::cout << s << std::endl;
}
};
int main()
{
Segment_2 seg(Point_2(0,0), Point_2(1,1));
Line_2 lin(1,-1,0);
const auto result = intersection(seg, lin);
if (result) {
std::visit(Intersection_visitor(), *result);
} else {
// no intersection
}
return 0;
}
CGAL::Exact_predicates_exact_constructions_kernel
A typedef to a kernel which has the following properties:
Definition: Exact_predicates_exact_constructions_kernel.h:27