IndexSet.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 09.05.2005, AUTHOR: OLIVER KORTNER
// Modified: 16.07.2006 by O. Kortner, vector size check in initialization
//                      added,
//                      != operator corrected.
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
#ifndef IndexSetHXX
#define IndexSetHXX
 
//::::::::::::::::::::
//:: CLASS IndexSet ::
//::::::::::::::::::::
 
 
// HEADER FILES //
 
// standard C++ libraries //
#include <iostream>
 
// STEL //
#include <vector>
 
namespace MuonCalib {
 
    class IndexSet {
    private:
        // internal index memory //
        unsigned int m_nb_indices;  // number of indices
        std::vector<int> m_index;   // indices
 
        // initialization methods //
        void init(void);
        // default initiailization method; the number of indices is set to 0
        void init(const unsigned int& r_nb_indices);
        // initialization method; the number of indices is set to r_nb_indices
        void init(const unsigned int& r_nb_indices, const std::vector<int>& r_index);
        // initialization method; the number of indices is set to
        // r_nb_indices, the vector r_index contains the indices
 
    public:
        // Constructors //
        IndexSet(void) { init(); }
 
        IndexSet(const unsigned int& r_nb_indices) { init(r_nb_indices); }
 
        IndexSet(const unsigned int& r_nb_indices, const std::vector<int>& r_index) { init(r_nb_indices, r_index); }
 
        // Methods //
        unsigned int size(void) const;
        void resize(const unsigned int& r_size);
        int operator[](const unsigned int& r_k);
        int operator[](const unsigned int& r_k) const;
        void sort(void);
        bool operator==(const IndexSet& r_index_set) const;
        bool operator!=(const IndexSet& r_index_set) const;
    };
 
}  // namespace MuonCalib
 
#endif