DataBlock.h

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#ifndef DATABLOCK_H
#define DATABLOCK_H

// $Id: DataBlock.h,v 1.7 2008/09/05 15:42:33 rustem Exp $
//
// Class that counts number of events, snarls and protons
//

// C++
#include <iostream>

// ROOT
#include "TObject.h"

namespace Anp
{
   class Record;
}

class DataBlock : public TObject
{   
public:
   
   DataBlock();
   virtual ~DataBlock();

   void Add(const DataBlock &block);
   void Add(const Anp::Record &record);

   void SetInput(const DataBlock &rhs);
   void SetProtons(double protons);

   void ScaleOut(double factor);

   Double_t GetProtonsOut() const;
   Double_t GetProtonsIn() const;
   
   UInt_t GetNSnarlsOut() const;
   UInt_t GetNSnarlsIn() const;
        
   UInt_t GetNEventsOut() const;
   UInt_t GetNEventsIn() const;

   Double_t GetProtonsPerSnarl() const;

   void print(std::ostream& o = std::cout) const;

private:
   
   Double_t Ratio(Double_t nom, Double_t den) const;
   Float_t Ratio(Float_t nom, Float_t den) const;
   Float_t Ratio(UInt_t nom, UInt_t den) const;
   
private:
   
   UInt_t nSnarlIn;
   UInt_t nEventIn;
   
   UInt_t nSnarlOut;
   UInt_t nEventOut;
   
   Double_t ProtonsIn;
   Double_t ProtonsOut;     

   ClassDef(DataBlock, 2)
};

std::ostream& operator<<(std::ostream& o, const DataBlock& self);

const DataBlock FindDataBlock(const std::string &path, const std::string &name = "block");

//
// Inlined member functions
//
inline Double_t DataBlock::GetProtonsOut() const { return ProtonsOut; }
inline Double_t DataBlock::GetProtonsIn()  const { return ProtonsIn; }

inline UInt_t DataBlock::GetNSnarlsOut() const { return nSnarlOut; }
inline UInt_t DataBlock::GetNSnarlsIn()  const { return nSnarlIn; }

inline UInt_t DataBlock::GetNEventsOut() const { return nEventOut; }
inline UInt_t DataBlock::GetNEventsIn()  const { return nEventIn; }

#endif

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