mirror of https://github.com/CGAL/cgal
28 lines
798 B
C++
28 lines
798 B
C++
#include <CGAL/Exact_integer.h>
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#include <CGAL/Filtered_extended_homogeneous.h>
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#include <CGAL/Nef_polyhedron_2.h>
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typedef CGAL::Exact_integer RT;
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typedef CGAL::Filtered_extended_homogeneous<RT> Extended_kernel;
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typedef CGAL::Nef_polyhedron_2<Extended_kernel> Nef_polyhedron;
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typedef Nef_polyhedron::Point Point;
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typedef Nef_polyhedron::Line Line;
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int main() {
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Nef_polyhedron N1(Nef_polyhedron::COMPLETE);
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Line l(2,4,2); // l : 2x + 4y + 2 = 0
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Nef_polyhedron N2(l,Nef_polyhedron::INCLUDED);
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Nef_polyhedron N3 = N2.complement();
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CGAL_assertion(N1 == N2.join(N3));
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Point p1(0,0), p2(10,10), p3(-20,15);
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Point triangle[3] = { p1, p2, p3 };
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Nef_polyhedron N4(triangle, triangle+3);
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Nef_polyhedron N5 = N2.intersection(N4);
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CGAL_assertion(N5 <= N2 && N5 <= N4);
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return 0;
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}
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