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FunctionStats.h

Go to the documentation of this file.

#ifndef FASTSHOWER_FUNCTIONSTATS_H
#define FASTSHOWER_FUNCTIONSTATS_H

#ifndef FASTSHOWER_IFUNCTIONSTATS_H
#include "FastShowerUtils/IFunctionStats.h"
#endif 

class ostream;
namespace FastShower{

  class FunctionStats;
  class ParticleParameters;

  std::ostream& operator<<(std::ostream&, const FunctionStats&);
  std::ostream& operator<<(std::ostream&, const FunctionStats*);

  class StatsCollector;
  class FunctionStats: virtual public IFunctionStats{
  public:
    FunctionStats();
    FunctionStats(const FunctionStats&);
    FunctionStats& operator=(const FunctionStats&)  ;
    void   bump(double x)                           ; 
    void   bump(double x, const ParticleParameters*); 
    int    nCalls()                            const;
    double mean()                              const;
    double variance()                          const;
    double lastX()                             const;
    void   report(std::ostream& ostr)          const;
    void   prime()                                  ;
    bool   lastIsValid()                       const;
    void header(std::ostream& ostr)            const;
  private:
    bool m_lastIsValid;
    double m_lastX;
    int m_n;
    double m_sumX;
    double m_sumXsq;
  };
}//namesapce
#endif

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