66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
// This code implementation is the intellectual property of
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// neutron_hp -- header file
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// J.P. Wellisch, Nov-1996
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// A prototype of the low energy neutron transport model.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4NeutronHPEvapSpectrum.hh,v 1.4 1999/12/15 14:53:11 gunter Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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#ifndef G4NeutronHPEvapSpectrum_h
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#define G4NeutronHPEvapSpectrum_h 1
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#include "globals.hh"
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#include "G4NeutronHPVector.hh"
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#include "Randomize.hh"
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#include "G4ios.hh"
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#include "g4std/fstream"
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#include "G4VNeutronHPEDis.hh"
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// we will need a List of these .... one per term.
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class G4NeutronHPEvapSpectrum : public G4VNeutronHPEDis
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{
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public:
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G4NeutronHPEvapSpectrum()
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{
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}
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~G4NeutronHPEvapSpectrum()
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{
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}
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inline void Init(G4std::ifstream & aDataFile)
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{
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theFractionalProb.Init(aDataFile);
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theThetaDist.Init(aDataFile);
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theXDist.Init(aDataFile);
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}
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inline G4double GetFractionalProbability(G4double anEnergy)
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{
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return theFractionalProb.GetY(anEnergy);
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}
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inline G4double Sample(G4double anEnergy)
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{
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// when this is called, theFractionalProb was used, and 'k' is sorted out already.
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G4double x = theXDist.Sample();
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G4double theta = theThetaDist.GetY(anEnergy);
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G4double result = x*theta;
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return result*eV;
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}
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private:
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G4NeutronHPVector theFractionalProb;
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G4NeutronHPVector theThetaDist;
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G4NeutronHPVector theXDist;
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};
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#endif
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