#include <G4SemiLogInterpolation.hh>

Inheritance diagram for G4SemiLogInterpolation:

Collaboration diagram for G4SemiLogInterpolation:

Public Member Functions
	G4SemiLogInterpolation ()

	~G4SemiLogInterpolation ()

G4double	Calculate (G4double point, G4int bin, const G4DataVector &energies, const G4DataVector &data) const

G4double	Calculate (G4double point, G4int bin, const G4DataVector &energies, const G4DataVector &data, const G4DataVector &log_energies, const G4DataVector &log_data) const

virtual G4VDataSetAlgorithm *	Clone () const

Public Member Functions inherited from G4VDataSetAlgorithm
	G4VDataSetAlgorithm ()

virtual	~G4VDataSetAlgorithm ()

Detailed Description

Definition at line 53 of file G4SemiLogInterpolation.hh.

Constructor & Destructor Documentation

◆ G4SemiLogInterpolation()

G4SemiLogInterpolation::G4SemiLogInterpolation ( )

Definition at line 41 of file G4SemiLogInterpolation.cc.

42 { }

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◆ ~G4SemiLogInterpolation()

G4SemiLogInterpolation::~G4SemiLogInterpolation ( )

Definition at line 47 of file G4SemiLogInterpolation.cc.

48 { }

Member Function Documentation

◆ Calculate() [1/2]

G4double G4SemiLogInterpolation::Calculate	(	G4double	point,
		G4int	bin,
		const G4DataVector &	energies,
		const G4DataVector &	data
	)		const

virtual

Implements G4VDataSetAlgorithm.

Definition at line 54 of file G4SemiLogInterpolation.cc.

 {
   //G4cout << "G4SemiLogInterpolation is performed(2 arguments) " << G4endl;
   G4int nBins = data.size() - 1;
   G4double value = 0.;
   if (x < points[0])
     {
       value = 0.;
     }
   else if (bin < nBins)
     {
       G4double e1 = points[bin];
       G4double e2 = points[bin+1];
       G4double d1 = data[bin];
       G4double d2 = data[bin+1];
       value = (d1*std::log10(e2/x) + d2*std::log10(x/e1)) / std::log10(e2/e1);
     }
   else
     {
       value = data[nBins];
     }
   return value;
 }

◆ Calculate() [2/2]

G4double G4SemiLogInterpolation::Calculate	(	G4double	point,
		G4int	bin,
		const G4DataVector &	energies,
		const G4DataVector &	data,
		const G4DataVector &	log_energies,
		const G4DataVector &	log_data
	)		const

virtual

Implements G4VDataSetAlgorithm.

Definition at line 80 of file G4SemiLogInterpolation.cc.

 {
 //A combination of logarithmic interpolation on energy set and 
 //linear Interpolation on data set
   //G4cout << "G4SemiLogInterpolation is performed (4 arguments)" << G4endl;
   G4int nBins = data.size() - 1;
   G4double value = 0.;
   G4double log_x = std::log10(x);
   if (x < points[0])
     {
       value = 0.;
     }
   else if (bin < nBins)
     {
       G4double e1 = points[bin];
       G4double e2 = points[bin+1];
       G4double d1 = data[bin];
       G4double d2 = data[bin+1];      
       G4double log_e1 = log_points[bin];
       G4double log_e2 = log_points[bin+1];
       //G4double log_d1 = log_data[bin];
       //G4double log_d2 = log_data[bin+1];
       //G4cout << "x = " << x << " , log_x = " << log_x << " , bin = " << bin << G4endl;
       //G4cout << "e1 = " << e1 << " , d1 = " << d1 << G4endl;
       //G4cout << "e2 = " << e2 << " , d2 = " << d2 << G4endl;
 // Values log_e1 and log_e2 are the log values of the corresponding
 // original energy actual values. Original d1 and d2 values are used.
 // Simple linear interpolation performed on loagarithmic data 
 // should be equivalent to semi log-log interpolation
       if (e1 == 0.0) log_e1 = -300;
       if (e2 == 0.0) log_e2 = -300;
       value = d1 + (d2 - d1)*(log_x - log_e1)/(log_e2 - log_e1);
       //G4cout << "G4SemiLogInterpolation - Final Interpolated Value: " << value << G4endl << G4endl;
    }
  else
    {
      value = data[nBins];
    }
   return value;
 }