mirror of https://github.com/CGAL/cgal
188 lines
5.1 KiB
C++
188 lines
5.1 KiB
C++
// Copyright (c) 2005 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Sylvain Pion
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#ifndef CGAL_KERNEL_DIMENSION_H
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#define CGAL_KERNEL_DIMENSION_H
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#include <CGAL/basic.h>
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#include <CGAL/Kernel_traits.h>
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CGAL_BEGIN_NAMESPACE
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// This is a tool to obtain the static dimension of a kernel object.
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// Currently undocumented => for CGAL internal use only.
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// TODO :
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// - Should the default be that kernel objects export this value themselves ?
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// This way, user defined objects will work as well ?
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// But an object could have a dimension depending on the traits...
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// => Well, let's make it work first.
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// - Should it be named Dimension_traits<> ?
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template < typename T, typename K = typename Kernel_traits<T>::Kernel >
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struct Dimension;
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// 2D objects
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template < typename K >
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struct Dimension < typename K::Point_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Vector_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Direction_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Line_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Ray_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Segment_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Triangle_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Iso_rectangle_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Circle_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Conic_2, K >
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{ static const int value = 2; };
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template < typename K >
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struct Dimension < typename K::Aff_transformation_2, K >
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{ static const int value = 2; };
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// 3D objects
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template < typename K >
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struct Dimension < typename K::Point_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Plane_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Vector_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Direction_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Line_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Ray_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Segment_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Triangle_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Tetrahedron_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Iso_cuboid_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Sphere_3, K >
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{ static const int value = 3; };
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template < typename K >
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struct Dimension < typename K::Aff_transformation_3, K >
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{ static const int value = 3; };
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// dD objects
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template < typename K >
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struct Dimension < typename K::Point_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Vector_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Direction_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Hyperplane_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Aff_transformation_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Sphere_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Iso_box_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Segment_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Ray_d, K >
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{ static const int value = 0; };
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template < typename K >
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struct Dimension < typename K::Line_d, K >
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{ static const int value = 0; };
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CGAL_END_NAMESPACE
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#endif // CGAL_KERNEL_DIMENSION_H
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