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 /* | 
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/* | 
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 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
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 * | 
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 * The University of Notre Dame grants you ("Licensee") a | 
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namespace oopse { | 
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int *Exclude::getExcludeList() { | 
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  int *Exclude::getExcludeList() { | 
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    if (modified_) { | 
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        excludeList_.clear(); | 
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      excludeList_.clear(); | 
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        for (std::set<std::pair<int,int> >::iterator i = excludeSet_.begin();i != excludeSet_.end(); ++i) { | 
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            excludeList_.push_back(i->first + 1); | 
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            excludeList_.push_back(i->second + 1);             | 
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        } | 
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        modified_ = false; | 
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      for (std::set<std::pair<int,int> >::iterator i = excludeSet_.begin();i != excludeSet_.end(); ++i) { | 
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        excludeList_.push_back(i->first + 1); | 
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        excludeList_.push_back(i->second + 1);             | 
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      } | 
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      modified_ = false; | 
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    }  | 
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    return excludeList_.size() > 0 ? &(excludeList_[0]) : NULL;     | 
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} | 
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  } | 
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void Exclude::addPair(int i, int j) { | 
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  void Exclude::addPair(int i, int j) { | 
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    if (i == j) { | 
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        return; | 
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      return; | 
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    } else if (i > j) { | 
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        std::swap(i, j); | 
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      std::swap(i, j); | 
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    } | 
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    std::set<std::pair<int, int> >::iterator iter = excludeSet_.find(std::make_pair(i, j)); | 
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    if (iter == excludeSet_.end()) { | 
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        excludeSet_.insert(std::make_pair(i, j)); | 
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        modified_ = true; | 
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      excludeSet_.insert(std::make_pair(i, j)); | 
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      modified_ = true; | 
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    } | 
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} | 
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  } | 
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void Exclude::removePair(int i, int j) { | 
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  void Exclude::removePair(int i, int j) { | 
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    if (i == j) { | 
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        return; | 
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      return; | 
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    } else if (i > j) { | 
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        std::swap(i, j); | 
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      std::swap(i, j); | 
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    } | 
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    std::set<std::pair<int, int> >::iterator iter = excludeSet_.find(std::make_pair(i, j)); | 
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    if (iter != excludeSet_.end()) { | 
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        excludeSet_.erase(iter); | 
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        modified_ = true; | 
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      excludeSet_.erase(iter); | 
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      modified_ = true; | 
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    } | 
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} | 
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  } | 
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bool Exclude::hasPair(int i, int j) { | 
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  bool Exclude::hasPair(int i, int j) { | 
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    if (i == j) { | 
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        return false; | 
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      return false; | 
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    } else if (i > j) { | 
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        std::swap(i, j); | 
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      std::swap(i, j); | 
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    } | 
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    std::set<std::pair<int, int> >::iterator  iter = excludeSet_.find(std::make_pair(i, j)); | 
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    return iter == excludeSet_.end() ? false : true;  | 
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} | 
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  } | 
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int Exclude::getSize() { | 
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  int Exclude::getSize() { | 
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    return excludeSet_.size(); | 
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} | 
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  } | 
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std::ostream& operator <<(std::ostream& o, Exclude& e) { | 
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  std::ostream& operator <<(std::ostream& o, Exclude& e) { | 
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    std::set<std::pair<int, int> >::iterator i; | 
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    int index; | 
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    index = 0; | 
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    for(i = e.excludeSet_.begin(); i != e.excludeSet_.end(); ++i) { | 
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        o << "exclude[" << index << "] i, j: " << (*i).first << " - " | 
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            << (*i).second << "\n"; | 
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        index++; | 
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      o << "exclude[" << index << "] i, j: " << (*i).first << " - " | 
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        << (*i).second << "\n"; | 
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      index++; | 
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    } | 
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    return o; | 
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} | 
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  } | 
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} | 
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