include/Geant4/G4INCLRanecu3.hh

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0025 //
0026 // INCL++ intra-nuclear cascade model
0027 // Alain Boudard, CEA-Saclay, France
0028 // Joseph Cugnon, University of Liege, Belgium
0029 // Jean-Christophe David, CEA-Saclay, France
0030 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
0031 // Sylvie Leray, CEA-Saclay, France
0032 // Davide Mancusi, CEA-Saclay, France
0033 //
0034 #define INCLXX_IN_GEANT4_MODE 1
0035
0036 #include "globals.hh"
0037
0038 /*
0039  * \file G4INCLRanecu3.hh
0040  *
0041  *  \date 25 October 2013
0042  * \author Davide Mancusi
0043  */
0044
0045 #ifndef G4INCLRanecu3_HH_
0046 #define G4INCLRanecu3_HH_
0047
0048 #include "G4INCLIRandomGenerator.hh"
0049 // #include <cassert>
0050
0051 namespace G4INCL {
0052
0053   /** \brief Extended Ranecu-type RNG class
0054    *
0055    * This generator implements the C++ version of the generator suggested by
0056    * Badal and Sempau, Comp. Phys. Comm. 175 (2006) 440. It uses three 32-bit
0057    * seeds and has a period of ~5E27.
0058    */
0059   class Ranecu3 : public G4INCL::IRandomGenerator {
0060   public:
0061     Ranecu3();
0062     Ranecu3(const Random::SeedVector &sv);
0063     virtual ~Ranecu3();
0064
0065     Random::SeedVector getSeeds() {
0066       Random::SeedVector sv;
0067       sv.push_back(iseed1);
0068       sv.push_back(iseed2);
0069       sv.push_back(iseed3);
0070       return sv;
0071     }
0072
0073     void setSeeds(const Random::SeedVector &sv) {
0074 // assert(sv.size()>=3);
0075       iseed1 = sv[0];
0076       iseed2 = sv[1];
0077       iseed3 = sv[2];
0078     }
0079
0080     G4double flat();
0081
0082   private:
0083     G4int iseed1, iseed2, iseed3;
0084     G4int i1, i2, i3, iz;
0085     const G4double uscale;
0086     const G4int m1, m2, m3;
0087     const G4int a1, a2, a3;
0088     const G4int q1, q2, q3;
0089     const G4int r1, r2, r3;
0090   };
0091
0092 }
0093
0094 #endif /* G4INCLRanecu3_HH_ */