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// Copyright (c) 1997-2000 ETH Zurich (Switzerland).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// You can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/next/Width_3/include/CGAL/Width_default_traits_3.h $
// $Id: Width_default_traits_3.h 67117 2012-01-13 18:14:48Z lrineau $
//
//
// Author(s) : Thomas Herrmann, Lutz Kettner
#ifndef CGAL_WIDTH_DEFAULT_TRAITS_3_H
#define CGAL_WIDTH_DEFAULT_TRAITS_3_H
#include <CGAL/Convex_hull_traits_3.h>
namespace CGAL {
template <class Kernel_>
class Width_default_traits_3 {
public:
typedef Kernel_ Kernel;
typedef typename Kernel::RT RT;
typedef typename Kernel::Point_3 Point_3;
typedef typename Kernel::Plane_3 Plane_3;
typedef typename Kernel::Vector_3 Vector_3;
typedef Convex_hull_traits_3<Kernel> ChullTraits;
RT get_hx( const Point_3& p) const { return p.hx(); }
RT get_hy( const Point_3& p) const { return p.hy(); }
RT get_hz( const Point_3& p) const { return p.hz(); }
RT get_hw( const Point_3& p) const { return p.hw(); }
void get_point_coordinates( const Point_3& p,
RT& px, RT& py, RT& pz, RT& ph) const {
px = get_hx(p);
py = get_hy(p);
pz = get_hz(p);
ph = get_hw(p);
}
RT get_a( const Plane_3& f) const { return f.a(); }
RT get_b( const Plane_3& f) const { return f.b(); }
RT get_c( const Plane_3& f) const { return f.c(); }
RT get_d( const Plane_3& f) const { return f.d(); }
void get_plane_coefficients( const Plane_3& f,
RT& a, RT& b, RT& c, RT& d) const {
a = get_a(f);
b = get_b(f);
c = get_c(f);
d = get_d(f);
}
Point_3 make_point( const RT& hx, const RT& hy,
const RT& hz, const RT& hw) const {
return Point_3(hx,hy,hz,hw);
}
Plane_3 make_plane( const RT& a, const RT& b,
const RT& c, const RT& d) const {
return Plane_3(a,b,c,d);
}
Vector_3 make_vector( const RT& a, const RT& b, const RT& c) const {
return Vector_3(a,b,c);
}
};
} //namespace CGAL
#endif //CGAL_WIDTH_DEFAULT_TRAITS_3_H
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