pprocess.h

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/*
 * Copyright (c) 2013-2017:  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__LIB_ALGEBRA__OPERATOR__INTERFACE__PPREPROCESS__
#define __H__LIB_ALGEBRA__OPERATOR__INTERFACE__PPREPROCESS__
 
#include <vector>
 
#include "common/util/smart_pointer.h"
 
namespace ug{
// Pre/Post Process for solvers
 
 
template <typename TVector>
class IPProcessVector
{
public:
  typedef TVector vector_type; 
  
  virtual void apply (vector_type& v) = 0;
  
  virtual ~IPProcessVector () {}
};
 
 
template <typename TVector>
class PProcessChain
{
public:
  typedef IPProcessVector<TVector> p_process_type;
  typedef TVector vector_type; 
  
public:
 
  void apply (vector_type& v)
  {
    for (size_t i = 0; i < m_pp_chain.size (); i++)
    {
      SmartPtr<p_process_type> op = m_pp_chain[i];
      if (op.valid ()) op->apply (v);
    }
  }
 
  void add (SmartPtr<p_process_type> p)
  {
    m_pp_chain.push_back (p);
  }
  
  size_t size () {return m_pp_chain.size ();}
  
  SmartPtr<p_process_type> operator [] (size_t i) {return m_pp_chain [i];}
 
  void remove (SmartPtr<p_process_type> p)
  {
    size_t i = 0;
    while (i < m_pp_chain.size ())
    {
      if (m_pp_chain[i].get () == p.get ())
        m_pp_chain.erase (m_pp_chain.begin () + i);
      else
        i++;
    }
  }
 
private:
 
  std::vector<SmartPtr<p_process_type> > m_pp_chain;
};
 
} // end namespace ug
#endif /* __H__LIB_ALGEBRA__OPERATOR__INTERFACE__PPREPROCESS__ */
 
/* End of File */