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// This software was developed by Lawrence Livermore National Laboratory.
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// Copyright (c) 2006 The Regents of the University of California.
// All rights reserved.
// UCRL-CODE-224807
//
// $Id: G4fissionEvent.cc,v 1.2 2007/06/01 13:46:53 gcosmo Exp $
//

#include "G4fissionEvent.hh"

G4int G4fissionEvent::delayoption=0;
G4int G4fissionEvent::correlationoption=0;
G4int G4fissionEvent::nudistoption=3;
G4int G4fissionEvent::Cf252ndistoption=0;
G4int G4fissionEvent::Cf252nengoption=0;

G4fissionEvent::G4fissionEvent(G4int isotope, G4double time, G4double nubar, G4double eng) {
   /*
    * Constructs a fission event with neutronNu neutrons and photonNu
    * photons.
    */
   G4int i;

   neutronNu = 0;
   photonNu = 0;
   if (nubar == -1.) {
      /* spontaneous fission */
      neutronNu = G4SmpSpNuDistData(isotope, Cf252ndistoption);
      photonNu = G4SmpSpNugDistData(isotope);
   } else {
      /* induced fission */
      if (nudistoption == 0 || nudistoption == 1) {
         switch (isotope) {
            case 92235:
               neutronNu = G4SmpNuDistDataU235(eng,nudistoption);
               break;
            case 92238:
               neutronNu = G4SmpNuDistDataU238(eng);
               break;
            case 94239:
               neutronNu = G4SmpNuDistDataPu239(eng);
               break;
            default:
               neutronNu = (G4int) G4SmpTerrell(nubar);
               break;
         } 
      } else if (nudistoption == 2) {
         switch (isotope) {
            case 92232:
            case 92234:
            case 92236:
            case 92238:
               neutronNu = G4SmpNuDistDataU232_234_236_238(nubar);
               break;
            case 92233:
            case 92235:
               neutronNu = (G4int) G4SmpNuDistDataU233_235(nubar);
               break;
            case 94239:
            case 94241:
               neutronNu = G4SmpNuDistDataPu239_241(nubar);
               break;
            default:
               neutronNu = (G4int) G4SmpTerrell(nubar);
               break;
         }
      } else if (nudistoption == 3) {
         switch (isotope) {
            case 92232:
            case 92234:
            case 92236:
            case 92238:
               neutronNu = G4SmpNuDistDataU232_234_236_238_MC(nubar);
               break;
            case 92233:
            case 92235:
               neutronNu = (G4int) G4SmpNuDistDataU233_235_MC(nubar);
               break;
            case 94239:
            case 94241:
               neutronNu = G4SmpNuDistDataPu239_241_MC(nubar);
               break;
            default:
               neutronNu = (G4int) G4SmpTerrell(nubar);
               break;
         } 
      }
      photonNu = G4SmpNugDist(isotope, nubar);
   }
   if (neutronNu > 0) {
      neutronEnergies = new G4double[ neutronNu ];
      neutronVelocities = new G4double[ neutronNu ];
      neutronDircosu = new G4double[ neutronNu ];
      neutronDircosv = new G4double[ neutronNu ];
      neutronDircosw = new G4double[ neutronNu ];
      neutronAges = new G4double[neutronNu];
      for (i=0; i<neutronNu; i++) {
         if (isotope == 98252) neutronEnergies[i] = G4SmpNEngCf252(Cf252nengoption);
         else neutronEnergies[i] = G4SmpWatt(eng, isotope);
         neutronVelocities[i] = G4SmpNVel(
                 neutronEnergies[i],
                 &(neutronDircosu[i]),
                 &(neutronDircosv[i]),
                 &(neutronDircosw[i])
                );
         neutronAges[i] = time;
      }
   }
   if (photonNu > 0) {
      photonEnergies = new G4double[photonNu];
      photonVelocities = new G4double[photonNu];
      photonDircosu = new G4double[photonNu];
      photonDircosv = new G4double[photonNu];
      photonDircosw = new G4double[photonNu];
      photonAges = new G4double[photonNu];
      for (i=0; i<photonNu; i++) {
         photonEnergies[i] = G4SmpGEng();
         photonVelocities[i] = G4SmpPVel(
                 photonEnergies[i],
                 &(photonDircosu[i]),
                 &(photonDircosv[i]),
                 &(photonDircosw[i])
                );
         photonAges[i] = time;
      }
   }
}

G4fissionEvent::~G4fissionEvent() {
   if (neutronNu > 0) {
      delete [] neutronEnergies;
      delete [] neutronVelocities;
      delete [] neutronDircosu;
      delete [] neutronDircosv;
      delete [] neutronDircosw;
      delete [] neutronAges;
   }

   if (photonNu > 0) {
      delete [] photonEnergies;
      delete [] photonVelocities;
      delete [] photonDircosu;
      delete [] photonDircosv;
      delete [] photonDircosw;
      delete [] photonAges;
   }
}