G4LLNLFission.cc

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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: G4LLNLFission.cc 68799 2013-04-05 13:29:46Z gcosmo $
//
// This class is a copy of Fission.cc, made for use with Geant4.
//

#include "G4fissionEvent.hh"

  G4fissionEvent* fe;

   extern G4float (*rngfptr) (void);

   extern G4double (*rngdptr) (void);

   extern G4double rngf2d(void);

   void genspfissevt_(G4int *isotope, G4double *time) {
      if (fe != 0) delete fe;
      fe = new G4fissionEvent(*isotope, *time, -1., 0.);
   }

   void genfissevt_(G4int *isotope, G4double *time, G4double *nubar, G4double *eng) {
      if (fe != 0) delete fe;
      fe = new G4fissionEvent(*isotope, *time, *nubar, *eng);
   }

   G4int getnnu_() {
      return (*fe).getNeutronNu();
   }

   G4int getpnu_() {
      return (*fe).getPhotonNu();
   }

   G4double getneng_(G4int *index) {
      return (*fe).getNeutronEnergy(*index);
   }

   G4double getnvel_(G4int *index) {
      return (*fe).getNeutronVelocity(*index);
   }

   G4double getndircosu_(G4int *index) {
      return (*fe).getNeutronDircosu(*index);
   }

   G4double getndircosv_(G4int *index) {
      return (*fe).getNeutronDircosv(*index);
   }

   G4double getndircosw_(G4int *index) {
      return (*fe).getNeutronDircosw(*index);
   }

   G4double getpeng_(G4int *index) {
      return (*fe).getPhotonEnergy(*index);
   }

   G4double getpvel_(G4int *index) {
      return (*fe).getPhotonVelocity(*index);
   }

   G4double getpdircosu_(G4int *index) {
      return (*fe).getPhotonDircosu(*index);
   }

   G4double getpdircosv_(G4int *index) {
      return (*fe).getPhotonDircosv(*index);
   }

   G4double getpdircosw_(G4int *index) {
      return (*fe).getPhotonDircosw(*index);
   }

   G4double getnage_(G4int *index) {
      return (*fe).getNeutronAge(*index);
   }

   G4double getpage_(G4int *index) {
      return (*fe).getPhotonAge(*index);
   }

   void setdelay_(G4int *delay) {
      (*fe).setDelayOption(*delay);
   }

   void setcorrel_(G4int *correlation) {
      (*fe).setCorrelationOption(*correlation);
   }

   void setnudist_(G4int *nudist) {
/*
      where the argument *nudist affects induced fissions only, it
      is set to
         0 for sampling Zucker and Holden probability distributions 
           for U-235,238 and Pu-239. Terrell for other isotopes.
         1 same as above, but using Gwin, Spencer and Ingle 
           tabulated distributions for thermal energies for U-235.
           Terrell for other isotopes.
         2 for sampling fission-induced neutron multiplicity in 
           (a) U-232, U-234, U-236 and U-238 using Zucker and 
               Holden's tabulated data for U-238
           (b) U-233 and U-235 using Zucker and Holden's tabulated 
               data for U-235
           (c) Pu-239 and Pu-241 using Zucker and Holden's tabulated 
               data for Pu-239
           The P(nu) distributions for *nudist=2 are given as a 
           function of the average number of neutrons from fission, 
           based on interpolation of the data from Zucker and Holden.
           Terrell for other isotopes.
         3 for sampling fission-induced neutron multiplicity in 
           (a) U-232, U-234, U-236 and U-238 using Zucker and 
               Holden's tabulated data for U-238
           (b) U-233 and U-235 using Zucker and Holden's tabulated 
               data for U-235
           (c) Pu-239 and Pu-241 using Zucker and Holden's tabulated 
               data for Pu-239
           The Z&H tables have P(nu) distributions for 11 energies 
           (0 MeV through 10 MeV), along with their nubars. For 
           *nudist=3, we select the P(nu) distribution that has
           a nubar closest either from above, or from below, to the 
           to the nubar entered for the induced fission, based on a 
           random number and fractional distances to the end of the 
           nubar interval thus formed.
           Terrell for other isotopes.
*/

      (*fe).setNudistOption(*nudist);
   }

   void setcf252_(G4int *ndist, G4int *neng) {
/*
      where the argument
      *ndist is set to 
         0 to sample the spontaneous fission neutron multiplicity 
           using tabulated data from Spencer
         1 to sample the spontaneous fission neutron multiplicity
           using tabulated data from Boldeman
      *neng is set to 
         0 to sample the Mannhart corrected Maxwellian spectrum
         1 to sample the Madland-Nix theoretical spectrum
         2 to sample the Froehner Watt spectrum
*/
      (*fe).setCf252Option(*ndist, *neng);
   }

   void setrngf_(G4float (*funcptr) (void)) {
      G4fissionEvent::setRNGf(funcptr);
   }

   void setrngd_(G4double (*funcptr) (void)) {
      G4fissionEvent::setRNGd(funcptr);
   }
// }