immersed_surface_quadrature.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 1998 - 2018 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, 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 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE.md at
// the top level directory of deal.II.
//
// ---------------------------------------------------------------------
 
#ifndef dealii_non_matching_immersed_surface_quadrature
#define dealii_non_matching_immersed_surface_quadrature
 
#include <deal.II/base/config.h>
 
#include <deal.II/base/point.h>
#include <deal.II/base/quadrature.h>
#include <deal.II/base/subscriptor.h>
#include <deal.II/base/tensor.h>
 
#include <vector>
 
DEAL_II_NAMESPACE_OPEN
namespace NonMatching
{
  template <int dim>
  class ImmersedSurfaceQuadrature : public Quadrature<dim>
  {
  public:
    ImmersedSurfaceQuadrature() = default;
 
    ImmersedSurfaceQuadrature(const std::vector<Point<dim>> &    points,
                              const std::vector<double> &        weights,
                              const std::vector<Tensor<1, dim>> &normals);
 
    void
    push_back(const Point<dim> &    point,
              const double          weight,
              const Tensor<1, dim> &normal);
 
    const Tensor<1, dim> &
    normal_vector(const unsigned int i) const;
 
    const std::vector<Tensor<1, dim>> &
    get_normal_vectors() const;
 
  protected:
    std::vector<Tensor<1, dim>> normals;
  };
 
} // namespace NonMatching
DEAL_II_NAMESPACE_CLOSE
 
#endif