CCalDataSet Class Reference

#include <CCalDataSet.hh>

Public Member Functions
void	insert (double anEnergy, double aXsection)
double	getCrossSection (double anEnergy)

Detailed Description

Definition at line 34 of file CCalDataSet.hh.

Member Function Documentation

double CCalDataSet::getCrossSection ( double  anEnergy )

inline

Definition at line 44 of file CCalDataSet.hh.

  {
    double result;
    if(anEnergy < theData[0].first)
    {
      result = 0;
    }
    else
    {
      double x1,x2;
      double y1,y2;
      if(anEnergy > theData[theData.size()-1].second)
      {
        // extrapolation
        int n=theData.size();
        x1 = theData[n-1].first;
        y1 = theData[n-1].second;
        x2 = theData[n-2].first;
        y2 = theData[n-2].second;
      }
      else
      {
        // linear search and interpolation
        unsigned int i;
        for(i=0; i<theData.size(); i++)
        {
          if(theData[i].first>anEnergy) break;
        }
        x1 = theData[i-1].first;
        y1 = theData[i-1].second;
        x2 = theData[i].first;
        y2 = theData[i].second;
      }
      // interpolate logarithmic in energy and linear in cross-section
      result = theInterpolator.Interpolate(LOGLIN, anEnergy,  x1,x2,y1,y2);
    }
    return result*barn;
  }

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void CCalDataSet::insert ( double  anEnergy, double  aXsection  )

inline

Definition at line 38 of file CCalDataSet.hh.

  {
    pair<double, double> aPoint(anEnergy, aXsection);
    theData.push_back(aPoint);
  }

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The documentation for this class was generated from the following file:

• source/geant4.10.03.p02/examples/advanced/composite_calorimeter/include/CCalDataSet.hh