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SimStatistic.h

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//   **************************************************************************
//   *                                                                        *
//   *                      ! ! ! A T T E N T I O N ! ! !                     *
//   *                                                                        *
//   *  This file was created automatically by GaudiObjDesc, please do not    *
//   *  delete it or edit it by hand.                                         *
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//   **************************************************************************

#ifndef SimEvent_SimStatistic_H
#define SimEvent_SimStatistic_H 1

// Include files
#include "GaudiKernel/boost_allocator.h"
#include <cmath>
#include <map>
#include <ostream>

// Forward declarations

namespace DayaBay 
{

  // Forward declarations
  class SimStatistic;
  

  class SimStatistic
  {
  public:

    SimStatistic() : m_count(0),
                     m_sum(0),
                     m_squaredsum(0) {}
  
    virtual ~SimStatistic() {}
  
    double mean() const;
  
    double rms() const;
  
    void increment(double x);
  
    SimStatistic& operator+=(const DayaBay::SimStatistic& rhs);
  
    SimStatistic operator+(const DayaBay::SimStatistic& rhs) const;
  
    std::ostream& fillStream(std::ostream& s) const;
  
  double count() const;
  
  void setCount(double value);
  
  double sum() const;
  
  void setSum(double value);
  
  double squaredsum() const;
  
  void setSquaredsum(double value);
  
  
  #ifndef GOD_NOALLOC
    static void* operator new ( size_t size )
    {
      return ( sizeof(SimStatistic) == size ? 
               boost::singleton_pool<SimStatistic, sizeof(SimStatistic)>::malloc() :
               ::operator new(size) );
    }
  
    static void* operator new ( size_t size, void* pObj )
    {
      return ::operator new (size,pObj);
    }
  
    static void operator delete ( void* p )
    {
      boost::singleton_pool<SimStatistic, sizeof(SimStatistic)>::is_from(p) ?
      boost::singleton_pool<SimStatistic, sizeof(SimStatistic)>::free(p) :
      ::operator delete(p);
    }
  
    static void operator delete ( void* p, void* pObj )
    {
      ::operator delete (p, pObj);
    }
  #endif
  protected:

  private:

    double m_count;      
    double m_sum;        
    double m_squaredsum; 
  
  }; // class SimStatistic

  inline std::ostream& operator<< (std::ostream& str, const SimStatistic& obj)
  {
    return obj.fillStream(str);
  }
  
} // namespace DayaBay;

// -----------------------------------------------------------------------------
// end of class
// -----------------------------------------------------------------------------

// Including forward declarations

inline double DayaBay::SimStatistic::count() const 
{
  return m_count;
}

inline void DayaBay::SimStatistic::setCount(double value) 
{
  m_count = value;
}

inline double DayaBay::SimStatistic::sum() const 
{
  return m_sum;
}

inline void DayaBay::SimStatistic::setSum(double value) 
{
  m_sum = value;
}

inline double DayaBay::SimStatistic::squaredsum() const 
{
  return m_squaredsum;
}

inline void DayaBay::SimStatistic::setSquaredsum(double value) 
{
  m_squaredsum = value;
}

inline double DayaBay::SimStatistic::mean() const 
{

        return m_sum/m_count;
      
}

inline double DayaBay::SimStatistic::rms() const 
{

        return sqrt((m_squaredsum - m_sum*m_sum/m_count)/(m_count));
      
}

inline void DayaBay::SimStatistic::increment(double x) 
{

        m_count+=1.0;
        m_sum += x;
        m_squaredsum += x*x;
      
}

inline DayaBay::SimStatistic& DayaBay::SimStatistic::operator+=(const DayaBay::SimStatistic& rhs) 
{

        m_count+=rhs.m_count;
        m_sum += rhs.m_sum;
        m_squaredsum += rhs.m_squaredsum;
        return *this;
      
}

inline DayaBay::SimStatistic DayaBay::SimStatistic::operator+(const DayaBay::SimStatistic& rhs) const 
{

        SimStatistic res;
        res.m_count = m_count + rhs.m_count;
        res.m_sum =   m_sum +   rhs.m_sum;
        res.m_squaredsum = m_squaredsum + rhs.m_squaredsum;
        return res;
      
}


#endif 

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