DofComm.h 3.8 KB
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// ============================================================================
// ==                                                                        ==
// == AMDiS - Adaptive multidimensional simulations                          ==
// ==                                                                        ==
// ==  http://www.amdis-fem.org                                              ==
// ==                                                                        ==
// ============================================================================
//
// Software License for AMDiS
//
// Copyright (c) 2010 Dresden University of Technology 
// All rights reserved.
// Authors: Simon Vey, Thomas Witkowski et al.
//
// This file is part of AMDiS
//
// See also license.opensource.txt in the distribution.



/** \file DofComm.h */

#ifndef AMDIS_DOF_COMM_H
#define AMDIS_DOF_COMM_H

#include <map>
#include "FiniteElemSpace.h"
#include "Global.h"

namespace AMDiS {

  using namespace std;

  class DofComm
  {
  public:
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    DofComm() 
      : data(1)
    {}
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    typedef map<const FiniteElemSpace*, DofContainer> FeMapType;
    typedef FeMapType::iterator FeMapIter;
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    // meshLevel: map[rank -> map[feSpace -> DofContainer]]
    typedef vector<int, map<int, FeMapType> > DataType;
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    typedef DataType::iterator DataIter;

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    DofContainer& getDofContainer(int rank, const FiniteElemSpace *feSpace)
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    {
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      return data[0][rank][feSpace];
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    }

    void removeEmpty();

    void clear()
    {
      data.clear();
    }

    DataType& getData()
    {
      return data;
    }

  protected:
    DataType data;

    friend class Iterator;

  public:
    class Iterator
    {
    public:
      Iterator(DofComm &dc,
	       const FiniteElemSpace *fe = NULL)
	: dofComm(dc),
	  dofCounter(-1),
	  traverseFeSpace(fe)
      {
	FUNCNAME("DofComm::Iterator::Iterator()");

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	dataIter = dofComm.data[0].begin();
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	while (setNextFeMap() == false)
	  ++dataIter;
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      }

      inline bool end()
      {
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	return (dataIter == dofComm.data[0].end());
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      }
      
      inline void nextRank()
      {
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	do {
	  ++dataIter;
	} while (setNextFeMap() == false);
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      }

      inline void nextFeSpace()
      {
	++feMapIter;
      }

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      inline void next()
      {
	++feMapIter;
	if (feMapIter == dataIter->second.end()) {
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	  do {
	    ++dataIter;
	  } while (setNextFeMap() == false);
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	} else {
	  dofIter = feMapIter->second.begin();
	  dofCounter = 0;
	}
      }

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      inline void beginDofIter(const FiniteElemSpace *fe = NULL)
      {
	FUNCNAME("DofComm::Iterator::beginDofIter()");

	if (fe != NULL) {
	  feMapIter = dataIter->second.begin();

	  while (feMapIter->first != fe &&
		 feMapIter != dataIter->second.end())
	    ++feMapIter;
	}

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	if (feMapIter != dataIter->second.end()) {
	  dofIter = feMapIter->second.begin();
	  dofCounter = 0;
	}
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      }

      inline bool endDofIter()
      {
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	if (feMapIter == dataIter->second.end())
	  return true;

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	return (dofIter == feMapIter->second.end());
      }
      
      inline void nextDof()
      {
	++dofIter;
	++dofCounter;
      }

      inline int getRank()
      {
	return dataIter->first;
      }

      inline const FiniteElemSpace* getFeSpace()
      {
	return feMapIter->first;
      }

      inline DofContainer& getDofs()
      {
	return feMapIter->second;
      }

      inline const DegreeOfFreedom* getDof()
      {
	return *dofIter;
      }

      inline DegreeOfFreedom getDofIndex()
      {
	return **dofIter;
      }

      inline int getDofCounter()
      {
	return dofCounter;
      }

    protected:
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      bool setNextFeMap();
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    protected:
      DofComm &dofComm;
      
      DofComm::DataIter dataIter;
      
      DofComm::FeMapIter feMapIter;

      DofContainer::iterator dofIter;

      int dofCounter;

      const FiniteElemSpace *traverseFeSpace;
    };


  };

}

#endif // AMDIS_DOF_COMM_H