Geometry_traits.h

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// Copyright (c) 2012-2019 University of Lyon and CNRS (France).
// All rights reserved.
//
// This file is part of MEPP2; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#pragma once
 
namespace FEVV {
 
template< typename Mesh >
struct RetrieveKernel
{
};
 
 
template< typename Mesh,
          typename Kernel = typename RetrieveKernel< Mesh >::Kernel >
class Geometry_traits
{
};
 
template< typename MeshT, typename KernelT >
class Geometry_traits_documentation_dummy
{
public:
  typedef MeshT Mesh;
  typedef KernelT Kernel;
  typedef typename Kernel::Point Point;
  typedef typename Kernel::Normal Vector;
  typedef typename Kernel::Scalar Scalar;
 
  Scalar get_x(const Point &p1);
 
  Scalar get_y(const Point &p1);
 
  Scalar get_z(const Point &p1);
 
  Vector normalize(const Vector &v);
 
  Scalar length2(const Vector &v);
 
  Scalar length(const Vector &v);
 
  Scalar length(const Point &p, const Point &q);
 
  Vector normal(const Point &p, const Point &q, const Point &r);
 
  Vector unit_normal(const Point &p, const Point &q, const Point &r);
 
  Vector add_v(const Vector &u, const Vector &v);
 
  Vector add_pv(const Point &p, const Vector &v);
 
  Vector sub_pv(const Point &p, const Vector &v);
 
  Vector sub_p(const Point &p, const Point &q);
 
  Vector sub_v(const Vector &u, const Vector &v);
 
  Vector scalar_mult(const Vector &v, Scalar s);
 
  Scalar dot_product(const Vector &u, const Vector &v);
 
  Vector cross_product(const Vector &u, const Vector &v);
 
  static const Point ORIGIN;
 
  static const Vector NULL_VECTOR;
};
 
} // namespace FEVV