Line data    Source code

       1              : /*
       2              :  * Copyright (c) 2013-2015:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Andreas Vogel
       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              : #ifndef __H__UG__LIB_DISC__SPATIAL_DISC__DISC_HELPER__FINITE_VOLUME_BASE__
      34              : #define __H__UG__LIB_DISC__SPATIAL_DISC__DISC_HELPER__FINITE_VOLUME_BASE__
      35              : 
      36              : 
      37              : namespace ug{
      38              : 
      39              : /// helper class to store dimension and id of a midpoint of a sub-element
      40              : struct MidID
      41              : {
      42            0 :                 MidID() : dim(0), id(0) {};
      43              :                 MidID(size_t dim_, size_t id_) : dim(dim_), id(id_) {};
      44              :                 size_t dim;
      45              :                 size_t id;
      46              : };
      47              : 
      48              : ///     a singleton class that returns a new id for each type
      49              : class UniqueFVGeomIDProvider{
      50              :         public:
      51            0 :                 static UniqueFVGeomIDProvider& inst(){
      52            0 :                         static UniqueFVGeomIDProvider instance;
      53            0 :                         return instance;
      54              :                 }
      55              : 
      56            0 :                 size_t new_id() {return ++m_id;}
      57              : 
      58              :         private:
      59            0 :                 UniqueFVGeomIDProvider() : m_id(0)      {}
      60              :                 size_t m_id;
      61              : };
      62              : 
      63              : ///     This method associates a unique unsigned integer value with each type.
      64              : template <class TType>
      65            0 : size_t GetUniqueFVGeomID()
      66              : {
      67            0 :         static size_t typeID = UniqueFVGeomIDProvider::inst().new_id();
      68              :         //** Unkomment the next line to see the correspondence of the id's and the types
      69              :         //UG_LOG ("--> Assigning id " << typeID << " to type " << typeid(TType).name () << " <--\n");
      70              :         //**
      71            0 :         return typeID;
      72              : }
      73              : 
      74              : 
      75              : /// base class for all FVGeometries
      76              : class FVGeometryBase {};
      77              : 
      78              : } // end namespace ug
      79              : 
      80              : #endif /* __H__UG__LIB_DISC__SPATIAL_DISC__DISC_HELPER__FINITE_VOLUME_BASE__ */