mirror of https://github.com/CGAL/cgal
26 lines
666 B
C++
26 lines
666 B
C++
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
|
|
#include <CGAL/Polygon_2.h>
|
|
#include <iostream>
|
|
|
|
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
|
|
typedef K::Point_2 Point;
|
|
typedef CGAL::Polygon_2<K> Polygon_2;
|
|
using std::cout; using std::endl;
|
|
|
|
|
|
int main()
|
|
{
|
|
Point points[] = { Point(0,0), Point(5.1,0), Point(1,1), Point(0.5,6)};
|
|
Polygon_2 pgn(points, points+4);
|
|
|
|
// check if the polygon is simple.
|
|
cout << "The polygon is " <<
|
|
(pgn.is_simple() ? "" : "not ") << "simple." << endl;
|
|
|
|
// check if the polygon is convex
|
|
cout << "The polygon is " <<
|
|
(pgn.is_convex() ? "" : "not ") << "convex." << endl;
|
|
|
|
return 0;
|
|
}
|