PairBuilder.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/

#ifndef PairBuilder_H
#define PairBuilder_H
 
#include <vector>
#include <utility>
#include <ostream>
#include <set>

 
class  PairBuilder {
public:
    PairBuilder();
    ~PairBuilder();
    
    typedef std::pair<int, int> XYPair;
    typedef std::vector< XYPair > PairVector;
    typedef std::set<int> IntSet;
    
    void inputx(const int xstrip);
    void inputy(const int ystrip);
    void inputxy(const int ystrip);
    int numberOfPairs() const;
    const PairVector& pairs() const;
    float weight() const;
    XYPair pairAtIndex(const int indx) const;
    int xOfPairAt(const int indx) const;
    int yOfPairAt(const int indx) const;
    
private:
    IntSet m_yvalues;
    IntSet m_xvalues;

    PairVector m_pairs;
    void formNewPairsWithX(const int xval);
    void formNewPairsWithY(const int yval);
 
};

std::ostream& operator<< (std::ostream& os, const PairBuilder& e);
 
#endif