immersed_surface_quadrature.h

// ---------------------------------------------------------------------
//
// Copyright (C) 1998 - 2017 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 at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------

#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/tensor.h>
#include <deal.II/base/subscriptor.h>
#include <deal.II/base/quadrature.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;
  };

}
DEAL_II_NAMESPACE_CLOSE

#endif