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DocScore.hpp

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/*==========================================================================
 * Copyright (c) 2001 Carnegie Mellon University.  All Rights Reserved.
 *
 * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
 * is subject to the terms of the software license set forth in the LICENSE
 * file included with this software, and also available at
 * http://www.cs.cmu.edu/~lemur/license.html
 *
 *==========================================================================
*/


#ifndef _DOCSCORE_HPP
#define _DOCSCORE_HPP


#include "common_headers.hpp"
#include <algorithm>

struct DocScore {
  double val;
  char* id;
};


class DocScoreVector : public vector<DocScore> {
public:
  
  DocScoreVector() : vector<DocScore>() {}
  DocScoreVector(int size) : vector<DocScore>(size) {}
  virtual ~DocScoreVector();

  virtual void PushValue(const char* docid, double value);

  virtual void Sort(bool descending = true);
private:


  class ScoreAscending {
  public:
    bool operator()(const DocScore & a, const DocScore & b) {
      return a.val < b.val;  // based on the real value
    }
  };

  class ScoreDescending { 
  public: 
    bool operator()(const DocScore & a, const DocScore & b) {
      return a.val > b.val;  // based on the real value
    }
  };

  static ScoreAscending ascendOrder;
  static ScoreDescending descendOrder;

};



#endif 


  

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