G4DataSet.hh

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//
// $Id$
//
// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
// 31 Jul 2001   MGP        Created as G4EMDataSet
// 31 Jul 2008   MGP        Revised and renamed to G4DataSet
//
// -------------------------------------------------------------------
 
// Class description:
// Leaf data set 
// Applies a Composite design pattern for data library management
 
// -------------------------------------------------------------------
 
#ifndef  G4DATASET_HH
#define  G4DATASET_HH 1
 
#include <CLHEP/Units/SystemOfUnits.h>
 
#include "globals.hh"
#include "G4IDataSet.hh"
 
class G4IInterpolator;
 
class G4DataSet : public G4IDataSet
{
public:
  G4DataSet(G4int argZ, 
        G4IInterpolator* algo, 
        G4double xUnit=CLHEP::MeV, 
        G4double yUnit=CLHEP::barn,
        G4bool random=false);
 
  G4DataSet(G4int argZ, 
        G4DataVector* xData, 
        G4DataVector* data, 
        G4IInterpolator* algo, 
        G4double xUnit=CLHEP::MeV, 
        G4double yUnit=CLHEP::barn,
        G4bool random=false);
 
  virtual ~G4DataSet();
 
  virtual G4double FindValue(G4double x, G4int componentId=0) const;
  
  virtual void PrintData(void) const;
 
  virtual const G4IDataSet* GetComponent(G4int /* componentId */) const { return 0; }
 
  virtual void AddComponent(G4IDataSet* /* dataSet */) {}
 
  virtual size_t NumberOfComponents(void) const { return 0; }
 
  virtual const G4DataVector& GetEnergies(G4int /* componentId */) const { return *energies; }
  virtual const G4DataVector& GetData(G4int /* componentId */) const { return *data; }
  virtual void SetEnergiesData(G4DataVector* xData, G4DataVector* data, G4int componentId);
 
  virtual G4bool LoadData(const G4String& fileName);
  virtual G4bool SaveData(const G4String& fileName) const;
 
  virtual G4double RandomSelect(G4int componentId = 0) const;
    
 
private:
 
  size_t FindLowerBound(G4double energy) const;
  size_t FindLowerBound(G4double x, G4DataVector* values) const;
 
  G4double IntegrationFunction(G4double x);
 
  virtual void BuildPdf();
  
  G4String FullFileName(const G4String& fileName) const;
 
  // Hide copy constructor and assignment operator 
  G4DataSet();
  G4DataSet(const G4DataSet& copy);
  G4DataSet& operator=(const G4DataSet& right);
 
  G4int z;
 
  G4DataVector* energies;            // Owned pointer
  G4DataVector* data;                // Owned pointer
 
  G4IInterpolator* algorithm;    // Owned pointer 
  
  G4double unitEnergies;
  G4double unitData;
 
  G4DataVector* pdf;
  G4bool randomSet;
};
#endif /* G4DATASET_HH */