cgal/HalfedgeDS/examples/HalfedgeDS/hds_prog_halfedge_iterator.cpp

22 lines
596 B
C++

#include <CGAL/HalfedgeDS_default.h>
#include <CGAL/HalfedgeDS_decorator.h>
#include <cassert>
struct Traits { typedef int Point_2; };
typedef CGAL::HalfedgeDS_default<Traits> HDS;
typedef CGAL::HalfedgeDS_decorator<HDS> Decorator;
typedef HDS::Halfedge_iterator Iterator;
int main() {
HDS hds;
Decorator decorator(hds);
decorator.create_loop();
decorator.create_segment();
assert( decorator.is_valid());
int n = 0;
for ( Iterator i = hds.halfedges_begin(); i != hds.halfedges_end(); ++i )
++n;
assert( n == 4); // == 2 edges
return 0;
}