mirror of https://github.com/CGAL/cgal
23 lines
729 B
C++
23 lines
729 B
C++
#include <CGAL/HalfedgeDS_default.h>
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#include <CGAL/HalfedgeDS_decorator.h>
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#include <CGAL/N_step_adaptor.h>
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struct Traits { typedef int Point_2; };
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typedef CGAL_HALFEDGEDS_DEFAULT<Traits> HDS;
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typedef CGAL::HalfedgeDS_decorator<HDS> Decorator;
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typedef HDS::Halfedge_iterator Halfedge_iterator;
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typedef CGAL::N_step_adaptor< Halfedge_iterator, 2> Iterator;
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int main() {
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HDS hds;
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Decorator decorator(hds);
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decorator.create_loop();
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decorator.create_segment();
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CGAL_assertion( decorator.is_valid());
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int n = 0;
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for ( Iterator e = hds.halfedges_begin(); e != hds.halfedges_end(); ++e)
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++n;
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CGAL_assertion( n == 2); // == 2 edges
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return 0;
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}
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