std_injection.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__OPERATOR__LINEAR_OPERATOR__STD_INJECTION__
#define __H__UG__LIB_DISC__OPERATOR__LINEAR_OPERATOR__STD_INJECTION__
 
// extern headers
#include <iostream>
 
// other ug4 modules
#include "common/common.h"
#include "transfer_interface.h"
 
#ifdef UG_PARALLEL
#include "lib_disc/parallelization/parallelization_util.h"
#endif
 
namespace ug{
 
template <typename TDomain, typename TAlgebra>
class StdInjection :
  virtual public ITransferOperator<TDomain, TAlgebra>
{
  public:
    typedef ITransferOperator<TDomain, TAlgebra> base_type;
 
    typedef TAlgebra algebra_type;
 
    typedef typename TAlgebra::vector_type vector_type;
 
    typedef typename TAlgebra::matrix_type matrix_type;
 
    typedef TDomain domain_type;
 
  public:
    StdInjection() : m_bInit(false) {}
 
    StdInjection(SmartPtr<ApproximationSpace<TDomain> > approxSpace) :
      m_spApproxSpace(approxSpace), m_bInit(false)
    {}
 
    void set_approximation_space(SmartPtr<ApproximationSpace<TDomain> > approxSpace);
 
    virtual ~StdInjection(){};
  public:
    void set_levels(GridLevel coarseLevel, GridLevel fineLevel);
 
  protected:
    template <typename TElem>
    void set_identity_on_pure_surface(matrix_type& mat,
                                      const DoFDistribution& coarseDD, const DoFDistribution& fineDD);
 
    void set_identity_on_pure_surface(matrix_type& mat,
                                      const DoFDistribution& coarseDD, const DoFDistribution& fineDD);
 
  public:
    virtual void init();
 
    virtual void prolongate(vector_type& uFine, const vector_type& uCoarse);
 
    virtual void do_restrict(vector_type& uCoarse, const vector_type& uFine);
 
    virtual SmartPtr<ITransferOperator<TDomain, TAlgebra> > clone();
 
  protected:
    matrix_type m_matrix;
 
    SmartPtr<ApproximationSpace<TDomain> > m_spApproxSpace;
 
    GridLevel m_fineLevel;
 
    GridLevel m_coarseLevel;
 
    bool m_bInit;
};
 
}
 
#include "std_injection_impl.h"
 
#endif /* __H__UG__LIB_DISC__OPERATOR__LINEAR_OPERATOR__STD_INJECTION__ */