mirror of https://github.com/CGAL/cgal
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
// Copyright (c) 2008 GeometryFactory, Sophia-Antipolis (France).
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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) : Laurent RINEAU
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#ifndef CGAL_MESH_3_DIHEDRAL_ANGLE_3_H
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#define CGAL_MESH_3_DIHEDRAL_ANGLE_3_H
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#include <CGAL/license/Mesh_3.h>
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#include <CGAL/number_type_basic.h>
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#include <CGAL/Kernel_traits.h>
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#include <cmath>
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namespace CGAL {
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namespace Mesh_3 {
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/**
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* Computes dihedral angle of planes (a,b,c) and (a,b,d)
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*/
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template <typename K>
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typename K::FT
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dihedral_angle(const typename K::Point_3& a,
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const typename K::Point_3& b,
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const typename K::Point_3& c,
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const typename K::Point_3& d,
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K k = K())
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{
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// Now in the CGAL kernels
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return k.compute_approximate_dihedral_angle_3_object()(a, b, c, d);
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}
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/**
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* Computes dihedral angle of planes (a,b,c) and (a,b,d)
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*/
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template <typename Point_3>
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typename Kernel_traits<Point_3>::Kernel::FT
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dihedral_angle(const Point_3& a, const Point_3& b,
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const Point_3& c, const Point_3& d)
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{
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return
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CGAL::Mesh_3::dihedral_angle(a, b, c, d,
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typename Kernel_traits<Point_3>::Kernel());
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}
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} // end namespace Mesh_3
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} // end namespace CGAL
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#endif // CGAL_MESH_3_DIHEDRAL_ANGLE_3_H
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