mapping_collection.h

// ---------------------------------------------------------------------
//
// Copyright (C) 2005 - 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_mapping_collection_h
#define dealii_mapping_collection_h

#include <deal.II/base/config.h>
#include <deal.II/base/subscriptor.h>
#include <deal.II/fe/mapping_q1.h>
#include <deal.II/fe/fe.h>

#include <vector>
#include <memory>

DEAL_II_NAMESPACE_OPEN

namespace hp
{
  template <int dim, int spacedim=dim>
  class MappingCollection : public Subscriptor
  {
  public:
    MappingCollection () = default;

    explicit MappingCollection (const Mapping<dim,spacedim> &mapping);

    MappingCollection (const MappingCollection<dim,spacedim> &mapping_collection);

    void push_back (const Mapping<dim,spacedim> &new_mapping);

    const Mapping<dim,spacedim> &
    operator[] (const unsigned int index) const;

    unsigned int size () const;

    std::size_t memory_consumption () const;

  private:
    std::vector<std::shared_ptr<const Mapping<dim,spacedim> > > mappings;
  };


  template <int dim, int spacedim=dim>
  struct StaticMappingQ1
  {
  public:
    static MappingCollection<dim,spacedim> mapping_collection;
  };


  /* --------------- inline functions ------------------- */

  template <int dim, int spacedim>
  inline
  unsigned int
  MappingCollection<dim,spacedim>::size () const
  {
    return mappings.size();
  }



  template <int dim, int spacedim>
  inline
  const Mapping<dim,spacedim> &
  MappingCollection<dim,spacedim>::operator[] (const unsigned int index) const
  {
    Assert (index < mappings.size (),
            ExcIndexRange (index, 0, mappings.size ()));
    return *mappings[index];
  }

} // namespace hp


DEAL_II_NAMESPACE_CLOSE

#endif