Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/models/inclxx/utils/src/G4INCLRanecu.cc

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 25 //
 26 // INCL++ intra-nuclear cascade model
 27 // Alain Boudard, CEA-Saclay, France
 28 // Joseph Cugnon, University of Liege, Belgium
 29 // Jean-Christophe David, CEA-Saclay, France
 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
 31 // Sylvie Leray, CEA-Saclay, France
 32 // Davide Mancusi, CEA-Saclay, France
 33 //
 34 #define INCLXX_IN_GEANT4_MODE 1
 35 
 36 #include "globals.hh"
 37 
 38 /*
 39  * G4INCLRanecu.cc
 40  *
 41  *  \date 7 juin 2009
 42  * \author Pekka Kaitaniemi
 43  */
 44 
 45 #include "G4INCLRanecu.hh"
 46 
 47 namespace G4INCL {
 48 
 49   Ranecu::Ranecu() {
 50     iseed1 = 666;
 51     iseed2 = 777;
 52   }
 53 
 54   Ranecu::Ranecu(const Random::SeedVector &sv) {
 55     setSeeds(sv);
 56   }
 57 
 58   Ranecu::~Ranecu() {}
 59 
 60   G4double Ranecu::flat()
 61   {
 62     // This is an adapted version of subroutine ranecu:
 63     // A. Padal, J. Sempau Computer Physics Cummunications 175 (2006) 440-450
 64     G4double uscale=1.0/2.147483563e9;
 65 
 66     G4int i1=iseed1/53668;
 67     iseed1=40014*(iseed1-i1*53668)-i1*12211;
 68 
 69     if(iseed1 < 0) iseed1 = iseed1 + 2147483563;
 70 
 71     G4int i2=iseed2/52774;
 72     iseed2=40692*(iseed2-i2*52774)-i2*3791;
 73     if(iseed2 < 0) iseed2=iseed2+2147483399;
 74 
 75     G4int iz=iseed1-iseed2;
 76     if(iz < 1) iz=iz+2147483562;
 77 
 78     return iz*uscale;
 79   }
 80 
 81 }
 82