DofComm.cc 3.3 KB
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//
// 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.


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#include "parallel/DofComm.h"
#include "parallel/InteriorBoundary.h"
#include "FiniteElemSpace.h"
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namespace AMDiS {

  using namespace std;

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  void DofComm::init(int level, 
		     MeshLevelData &ld,
		     vector<const FiniteElemSpace*> &fe)
  {
    FUNCNAME("DofComm::init()");
    
    meshLevel = level;
    levelData = &ld;
    feSpaces = fe;
    
    nLevel = levelData->getLevelNumber() - meshLevel;
    TEST_EXIT_DBG(nLevel >= 1)("Should not happen!\n");

    sendDofs.clear();
    recvDofs.clear();
    periodicDofs.clear();
    
    sendDofs.resize(nLevel);
    recvDofs.resize(nLevel);
    periodicDofs.resize(nLevel);
  }


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  void DofComm::create(InteriorBoundary &boundary)
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  {
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    FUNCNAME("DofComm::create()");

    MSG("---> senddofs\n");
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    createContainer(boundary.getOwn(), sendDofs);
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    MSG("---> recvdofs\n");
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    createContainer(boundary.getOther(), recvDofs);
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  }


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  void DofComm::createContainer(RankToBoundMap &boundary,
				LevelDataType &data)
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  {
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    FUNCNAME("DofComm::createContainer()");

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    // === Fill data. ===

    for (unsigned int i = 0; i < feSpaces.size(); i++)
      for (int level = 0; level < nLevel; level++)
	for (InteriorBoundary::iterator it(boundary, level); !it.end(); ++it)
	  it->rankObj.el->getAllDofs(feSpaces[i], it->rankObj, 
				     data[level][it.getRank()][feSpaces[i]]);


    // === Remove empty data containers. ===
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    for (unsigned int i = 0; i < data.size(); i++) {
      DataIter dit = data[i].begin();
      while (dit != data[i].end()) {
	FeMapIter it = dit->second.begin();
	while (it != dit->second.end()) {
	  if (it->second.size() == 0) {
	    const FiniteElemSpace *fe = it->first;
	    ++it;
	    dit->second.erase(fe);
	  } else
	    ++it;
	}
	
	if (dit->second.size() == 0)
	  data[i].erase(dit++);
	else
	  ++dit;
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      }
    }
  }

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  int DofComm::getNumberDofs(LevelDataType &data, 
			     int level, 
			     const FiniteElemSpace *feSpace)
  {
    FUNCNAME("DofComm::getNumberDofs()");

    TEST_EXIT_DBG(level < data.size())("Should not happen!\n");

    DofContainerSet dofs;

    for (DataIter rankIt = data[level].begin(); 
	 rankIt != data[level].end(); ++rankIt)
      for (FeMapIter feIt = rankIt->second.begin();
	   feIt != rankIt->second.end(); ++feIt)
	if (feIt->first == feSpace)
	  dofs.insert(feIt->second.begin(), feIt->second.end());

    return static_cast<int>(dofs.size());
  }
  

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  bool DofComm::Iterator::setNextFeMap()
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  {
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    FUNCNAME("DofComm::Iterator::setNextFeMap()");

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    if (dataIter != data[traverseLevel].end()) {
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      TEST_EXIT_DBG(dataIter->second.size())("Should not happen!\n");

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      feMapIter = dataIter->second.begin();
      
      if (traverseFeSpace != NULL) {
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	if ((dataIter->second.count(traverseFeSpace) == 0))
	  return false;
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	while (feMapIter->first != traverseFeSpace &&
	       feMapIter != dataIter->second.end())
	  ++feMapIter;
	
	TEST_EXIT_DBG(feMapIter != dataIter->second.end() &&
		      feMapIter->first == traverseFeSpace)
	  ("Should not happen!\n");
      }
      
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      dofIter = feMapIter->second.begin();      
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      dofCounter = 0;
    }
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    return true;
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  }

}