Line data    Source code

       1              : /*
       2              :  * Copyright (c) 2011-2022:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Lukas Larisch
       4              :  * 
       5              :  * This file is part of UG4.
       6              :  * 
       7              :  * UG4 is free software: you can redistribute it and/or modify it under the
       8              :  * terms of the GNU Lesser General Public License version 3 (as published by the
       9              :  * Free Software Foundation) with the following additional attribution
      10              :  * requirements (according to LGPL/GPL v3 §7):
      11              :  * 
      12              :  * (1) The following notice must be displayed in the Appropriate Legal Notices
      13              :  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
      14              :  * 
      15              :  * (2) The following notice must be displayed at a prominent place in the
      16              :  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
      17              :  * 
      18              :  * (3) The following bibliography is recommended for citation and must be
      19              :  * preserved in all covered files:
      20              :  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
      21              :  *   parallel geometric multigrid solver on hierarchically distributed grids.
      22              :  *   Computing and visualization in science 16, 4 (2013), 151-164"
      23              :  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
      24              :  *   flexible software system for simulating pde based models on high performance
      25              :  *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
      26              :  * 
      27              :  * This program is distributed in the hope that it will be useful,
      28              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      29              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      30              :  * GNU Lesser General Public License for more details.
      31              :  */
      32              : 
      33              : 
      34              : #include "lib_disc/domain.h"
      35              : #include "lib_disc/function_spaces/grid_function.h"
      36              : #include "lib_disc/function_spaces/grid_function_user_data.h"
      37              : #include "lib_disc/reference_element/reference_element.h"
      38              : 
      39              : namespace ug{
      40              : 
      41              : template <typename TDomain, typename TAlgebra>
      42            0 : class GridFunctionOrdering
      43              : {
      44              :         typedef GridFunction<TDomain, TAlgebra> TGridFunction;
      45              :         typedef GridFunctionNumberData<GridFunction<TDomain, TAlgebra> > TGridFunctionNumberData;
      46              : 
      47              :         typedef typename TGridFunction::template traits<Vertex>::const_iterator VertexConstIterator;
      48              : 
      49              : public:
      50            0 :         GridFunctionOrdering(SmartPtr<TGridFunction> spGridFct, const char* name)
      51              :         {
      52            0 :                 m_u = spGridFct->clone_without_values();
      53            0 :                 m_name = name;
      54              : 
      55            0 :                 std::vector<DoFIndex> ind(1);
      56              :                 size_t k = 0;
      57            0 :                 for(VertexConstIterator iter = m_u->template begin<Vertex>(); iter != m_u->template end<Vertex>(); ++iter)
      58              :                 {
      59              :                 //      get vertex
      60              :                         Vertex* vrt = *iter;
      61              : 
      62              :                 //      get vector holding all indices on the vertex
      63              :                         m_u->inner_dof_indices(vrt, 0, ind);
      64            0 :                         DoFRef(*m_u, ind[0]) = k++;
      65              :                 }
      66            0 :         }
      67              : 
      68            0 :         SmartPtr<TGridFunctionNumberData> get(){
      69            0 :                 return SmartPtr<TGridFunctionNumberData>(new TGridFunctionNumberData(m_u, m_name));
      70              :         }
      71              : 
      72              : private:
      73              :         SmartPtr<TGridFunction> m_u;
      74              :         const char* m_name;
      75              : };
      76              : 
      77              : } //namespace