Line data    Source code

       1              : /*!
       2              :  * Copyright (c) 2010-2015:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Markus Breit
       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              : #include "neighborhood_util.h"
      34              : #include "grid.h"
      35              : #include "common/common.h"
      36              : 
      37              : namespace ug {
      38              : 
      39              : template <typename TBaseElem>
      40            0 : TBaseElem* GetConnectedNeighbor(Grid& g, typename TBaseElem::side* face, TBaseElem* elem)
      41              : {
      42              :         typedef typename Grid::traits<TBaseElem>::secure_container elem_list_type;
      43              :         elem_list_type el;
      44              :         g.associated_elements(el, face);
      45              :         size_t el_sz = el.size();
      46            0 :         UG_COND_THROW(el_sz > 2, "More than two " << elem->reference_object_id()
      47              :                 << "s associated with " << face->reference_object_id() << ".");
      48            0 :         for (size_t e = 0; e < el_sz; ++e)
      49              :         {
      50            0 :                 if (el[e] != elem)
      51              :                         return el[e];
      52              :         }
      53              : 
      54              :         return (TBaseElem*) NULL;
      55              : }
      56              : 
      57              : template Volume* GetConnectedNeighbor<Volume>(Grid&, Face*, Volume*);
      58              : template Face* GetConnectedNeighbor<Face>(Grid&, Edge*, Face*);
      59              : template Edge* GetConnectedNeighbor<Edge>(Grid&, Vertex*, Edge*);
      60              : 
      61              : } // namespace ug
      62              :