mirror of https://github.com/CGAL/cgal
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Copyright (c) 2007-2009 INRIA 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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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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//
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// Author(s) : Laurent RINEAU, Stephane Tayeb
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#ifndef CGAL_MESH_3_MIN_DIHEDRAL_ANGLE_H
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#define CGAL_MESH_3_MIN_DIHEDRAL_ANGLE_H
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#include <CGAL/Mesh_3/dihedral_angle_3.h>
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#include <cmath>
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namespace CGAL {
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namespace Mesh_3 {
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namespace details {
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template <typename K>
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typename K::FT
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min_dihedral_angle_aux_compute_quotient(const typename K::Point_3& p0,
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const typename K::Point_3& p1,
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const typename K::Point_3& p2,
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const typename K::Point_3& p3,
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K k = K())
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{
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typename K::Construct_triangle_3 make_triangle =
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k.construct_triangle_3_object();
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typename K::Compute_area_3 area =
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k.compute_area_3_object();
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typename K::Compute_squared_distance_3 sq_distance =
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k.compute_squared_distance_3_object();
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return CGAL::sqrt(sq_distance(p0, p1))
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/ area(make_triangle(p0, p1, p3))
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/ area(make_triangle(p0, p1, p2));
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}
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} // end namespace details;
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