G4NeutronHPLabAngularEnergy.hh

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// $Id$
//
#ifndef G4NeutronHPLabAngularEnergy_h
#define G4NeutronHPLabAngularEnergy_h 1

#include "G4ios.hh"
#include <fstream>
#include "globals.hh"
#include "G4Neutron.hh"
#include "G4NeutronHPInterpolator.hh"
#include "G4NeutronHPVector.hh"
#include "G4VNeutronHPEnergyAngular.hh"
#include "G4ReactionProduct.hh"
#include "G4InterpolationManager.hh"

class G4NeutronHPLabAngularEnergy : public G4VNeutronHPEnergyAngular
{
  public:
  
  G4NeutronHPLabAngularEnergy()
  {
    theEnergies = 0;
    theData = 0;
    nCosTh = 0;
    theSecondManager = 0;
  }
  ~G4NeutronHPLabAngularEnergy()
  {
    if(theEnergies != 0) delete [] theEnergies;
    if(nCosTh != 0) delete [] nCosTh;
    if(theData != 0) 
    {
      for(G4int i=0; i<nEnergies; i++)
        delete [] theData[i];
      delete [] theData;
    }
    if(theSecondManager != 0) delete [] theSecondManager;
  }
  
  public:
  
  void Init(std::ifstream & aDataFile);
     G4ReactionProduct * Sample(G4double anEnergy, G4double massCode, G4double mass);
  G4double MeanEnergyOfThisInteraction()
  {
    return currentMeanEnergy;
  }
  
  
  private:
  
  // number of incoming neutron energies
  G4int nEnergies;
  // Interpol between neutron energies
  G4InterpolationManager theManager; 
  // Incoming neutron energies
  G4double * theEnergies; 
  // number of directioncosines; parallel to theEnergies
  G4int * nCosTh; 
  // knows the interpolation between these stores
  G4InterpolationManager * theSecondManager; 
  // vectors of secondary energy, haufigkeit; parallel to theEnergies
  G4NeutronHPVector ** theData; 

  // utility interpolator
  G4NeutronHPInterpolator theInt;
  
  // cashed value of mean secondary energy in this event.
  G4double currentMeanEnergy;
};
#endif

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