candidates.h

// This file is part of Hermes2D.
//
// Hermes2D is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// Hermes2D is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Hermes2D.  If not, see <http://www.gnu.org/licenses/>.

#ifndef __H2D_CANDIDATES_H
#define __H2D_CANDIDATES_H

#include <ostream>
#include "global.h"
#include "refinement_selectors/element_to_refine.h"

namespace Hermes
{
  namespace Hermes2D
  {

    extern HERMES_API bool is_refin_aniso(const RefinementType refin_type);


    extern HERMES_API int get_refin_sons(const RefinementType refin_type);


    extern HERMES_API const std::string get_refin_str(const RefinementType refin_type);

    namespace RefinementSelectors
    {
      enum CandList {
        H2D_NONE,  
        H2D_P_ISO, 
        H2D_P_ANISO, 
        H2D_H_ISO, 
        H2D_H_ANISO, 
        H2D_HP_ISO, 
        H2D_HP_ANISO_H, 
        H2D_HP_ANISO_P, 
        H2D_HP_ANISO 
      };


      extern HERMES_API const char* get_cand_list_str(const CandList cand_list);


      extern HERMES_API bool is_hp(const CandList cand_list);


      extern HERMES_API bool is_p(const CandList cand_list);


      extern HERMES_API bool is_p_aniso(const CandList cand_list);

      class HERMES_API Cand
      {
      public:
        double error;
        double errors[H2D_MAX_ELEMENT_SONS];
        unsigned short dofs;
        RefinementType split;
        unsigned short p[H2D_MAX_ELEMENT_SONS];
        double score;


        Cand(const RefinementType split, const unsigned short order_elems[H2D_MAX_ELEMENT_SONS]);


        Cand(const RefinementType split, const unsigned short order_elem0, const unsigned short order_elem1 = 0, const unsigned short order_elem2 = 0, const unsigned short order_elem3 = 0);


        unsigned char get_num_elems() const;
      };
    }
  }
}

#endif