mirror of https://github.com/CGAL/cgal
101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
// Copyright (c) 1997-2002 Max-Planck-Institute Saarbruecken (Germany).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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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) : Miguel Granados <granados@mpi-sb.mpg.de>
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#ifndef CGAL_BOUNDING_BOX_3_H
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#define CGAL_BOUNDING_BOX_3_H
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#include <CGAL/license/Nef_3.h>
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#include <CGAL/basic.h>
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#include <CGAL/Handle_for.h>
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#include <CGAL/box_intersection_d.h>
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#include <CGAL/Box_intersection_d/box_limits.h>
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namespace CGAL {
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template <typename Extended_tag, typename Kernel> class Bounding_box_3;
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template <typename Extended_tag, typename Kernel>
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class Bounding_box_3 :
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public Box_intersection_d::Box_d< double, 3> {
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typedef Box_intersection_d::Box_d< double, 3> Base;
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typedef typename Kernel::Point_3 Point_3;
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public:
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Bounding_box_3() : Base(false) {
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CGAL_error_msg( "code not stable");
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}
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Bounding_box_3(double q[3]) : Base(q,q) {}
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void extend( const Point_3& p) {
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std::pair<double, double> q[3];
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q[0] = CGAL::to_interval( p.x() );
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q[1] = CGAL::to_interval( p.y() );
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q[2] = CGAL::to_interval( p.z() );
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Base::extend(q);
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}
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};
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template <typename Kernel>
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class Bounding_box_3<Tag_true, Kernel> :
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public Box_intersection_d::Box_d<typename Kernel::FT, 3> {
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typedef typename Kernel::FT FT;
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typedef Box_intersection_d::Box_d<FT, 3> Base;
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typedef typename Kernel::Point_3 Point_3;
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bool initialized;
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public:
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Bounding_box_3() : Base(), initialized(false) {}
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Bounding_box_3(FT q[3]) : Base(q,q), initialized(true) {}
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void extend(FT q[3]) {
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if(initialized)
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Base::extend(q);
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else {
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initialized = true;
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(Base&) *this = Base(q,q);
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}
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}
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void extend(const Point_3& p) {
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FT q[3];
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q[0] = p.x();
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q[1] = p.y();
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q[2] = p.z();
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if(initialized)
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Base::extend(q);
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else {
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initialized = true;
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std::copy( q, q + 3, Base::lo );
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std::copy( q, q + 3, Base::hi );
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}
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}
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};
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} //namespace CGAL
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#endif // CGAL_BOUNDING_BOX_3_H
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