barycentric_triangle_refiner.h

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//
// Copyright (c) 2014 Limit Point Systems, Inc. 
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//


#ifndef BARYCENTRIC_TRIANGLE_REFINER_H
#define BARYCENTRIC_TRIANGLE_REFINER_H

#ifndef SHEAF_DLL_SPEC_H
#include "SheafSystem/sheaf_dll_spec.h"
#endif

#ifndef EDGE_CENTERED_POLYGON_REFINER_H
#include "SheafSystem/edge_centered_polygon_refiner.h"
#endif

#ifndef STD_LIST_H
#include "SheafSystem/std_list.h"
#endif

namespace fields
{

class SHEAF_DLL_SPEC barycentric_triangle_refiner : public edge_centered_polygon_refiner
{

  // ===========================================================
  // ===========================================================

public:

  barycentric_triangle_refiner(const field_refinement_policy& xpolicy);

  barycentric_triangle_refiner(const barycentric_triangle_refiner& xother);

protected:

  barycentric_triangle_refiner();

  virtual size_type unrefined_vertex_ct() const;

  virtual size_type refined_zone_ct() const;

  virtual bool is_zone_centered_refiner() const;

  virtual const block<size_type>& first_vertex_index() const;

private:

  enum static_const_int {REFINED_ZONE_CT = 6};
  //  static const size_type REFINED_ZONE_CT = 6;


  // ===========================================================
  // ===========================================================

public:

  virtual const std::string& zone_type_name() const;

  const chart_point_coord_type* local_coordinates_map(size_type xi) const;



  // ===========================================================
  // ===========================================================

public:

  virtual barycentric_triangle_refiner* clone() const;

  virtual barycentric_triangle_refiner& operator=(const local_field_refiner& xother);

  barycentric_triangle_refiner& operator=(const barycentric_triangle_refiner& xother);

  virtual ~barycentric_triangle_refiner();

  virtual bool invariant() const;

  virtual bool is_ancestor_of(const any* xother) const;


};
  
} // namespace fields

#endif // ifndef BARYCENTRIC_TRIANGLE_REFINER_H