subset_assemble_util.h

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/*
 * Copyright (c) 2010-2015:  G-CSC, Goethe University Frankfurt
 * Author: Andreas Vogel
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * This program 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 Lesser General Public License for more details.
 */
 
#ifndef __H__UG__LIB_DISC__SPATIAL_DISC__SUBSET_ASSEMBLE_UTIL__
#define __H__UG__LIB_DISC__SPATIAL_DISC__SUBSET_ASSEMBLE_UTIL__
 
// extern includes
#include <iostream>
#include <vector>
 
// other ug4 modules
#include "common/common.h"
#include "lib_grid/tools/subset_group.h"
#include "lib_disc/common/function_group.h"
#include "lib_disc/common/groups_util.h"
#include "lib_disc/spatial_disc/elem_disc/elem_disc_interface.h"
 
namespace ug {
 
template <typename TElemIn>
void CreateSubsetGroups(std::vector<SubsetGroup>& vSSGrp,
                        SubsetGroup& unionSSGrp,
                        std::vector<TElemIn*> vElemDisc,
                        ConstSmartPtr<ISubsetHandler> pSH)
{
  PROFILE_FUNC_GROUP("discretization");
//  resize subset group vector
  vSSGrp.resize(vElemDisc.size());
 
//  if empty, nothing to do
  if(vSSGrp.empty()) {unionSSGrp.clear(); return;}
 
//  create subset group for each elem disc
  for(size_t i = 0; i < vSSGrp.size(); ++i)
  {
    vSSGrp[i].set_subset_handler(pSH);
    vSSGrp[i].add(vElemDisc[i]->symb_subsets());
  }
 
//  set underlying subsetHandler
  unionSSGrp.set_subset_handler(pSH);
 
//  add all Subset groups of the element discs
  for(size_t i = 0; i < vSSGrp.size(); ++i)
  {
    //  add subset group of elem disc
    try{
      unionSSGrp.add(vSSGrp[i]);
    }UG_CATCH_THROW("Cannot add subsets of the Elem Disc "<<i<<" to union of Subsets.");
  }
}
 
 
 
 
template <typename TElemOut, typename TElemIn>
void GetElemDiscItemOnSubset(std::vector<TElemOut*>& vSubsetElemDiscOut,
                         const std::vector<TElemIn*>& vElemDiscIn,
                         const std::vector<SubsetGroup>& vSSGrp,
                         int si, bool clearVec=true)
{
//  clear Vector
  if(clearVec) vSubsetElemDiscOut.clear();
 
//  loop elem discs
  for(size_t i = 0; i < vElemDiscIn.size(); ++i)
  {
  //  if subset is used, add elem disc to Subset Elem Discs
    if(vSSGrp[i].contains(si))
      vSubsetElemDiscOut.push_back(static_cast<TElemOut*>(vElemDiscIn[i]));
  }
}
 
template <typename TDomain>
void GetElemDiscOnSubset(std::vector<IElemDisc<TDomain>*>& vSubsetElemDisc,
                         const std::vector<IElemDisc<TDomain>*>& vElemDisc,
                         const std::vector<SubsetGroup>& vSSGrp,
                         int si, bool clearVec = true);
 
 
} // end namespace ug
 
#endif /* __H__UG__LIB_DISC__SPATIAL_DISC__SUBSET_ASSEMBLE_UTIL__ */