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G4INCLRanecu3.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  * G4INCLRanecu3.cc
40  *
41  * \date 7 juin 2009
42  * \author Pekka Kaitaniemi
43  */
44 
45 #include "G4INCLRanecu3.hh"
46 
47 namespace G4INCL {
48 
49  Ranecu3::Ranecu3() :
50  iseed1(666),
51  iseed2(777),
52  iseed3(1234),
53  i1(0), i2(0), i3(0), iz(0),
54  uscale(1.0/2.147483563e9),
55  m1(2147483563), m2(2147483399), m3(2147482739),
56  a1(40014), a2(40692), a3(45742),
57  q1(m1/a1), q2(m2/a2), q3(m3/a3),
58  r1(m1%a1), r2(m2%a2), r3(m3%a3)
59  {
60  }
61 
62  Ranecu3::Ranecu3(const Random::SeedVector &sv) :
63  i1(0), i2(0), i3(0), iz(0),
64  uscale(1.0/2.147483563e9),
65  m1(2147483563), m2(2147483399), m3(2147482739),
66  a1(53668), a2(52774), a3(46947),
67  q1(m1/a1), q2(m2/a2), q3(m3/a3),
68  r1(m1%a1), r2(m2%a2), r3(m3%a3)
69  {
70  setSeeds(sv);
71  }
72 
73  Ranecu3::~Ranecu3() {}
74 
75  G4double Ranecu3::flat()
76  {
77  i1=iseed1/q1;
78  iseed1=a1*(iseed1-i1*q1)-i1*r1;
79  if(iseed1 < 0) iseed1 = iseed1 + m1;
80 
81  i2=iseed2/q2;
82  iseed2=a2*(iseed2-i2*q2)-i2*r2;
83  if(iseed2 < 0) iseed2 = iseed2 + m2;
84 
85  i3=iseed3/q3;
86  iseed3=a3*(iseed3-i3*q3)-i3*r3;
87  if(iseed3 < 0) iseed3 = iseed3 + m3;
88 
89  iz = iseed1 - iseed2 + iseed3;
90  if(iz < 1) iz = iz + 2147483562;
91 
92  return iz*uscale;
93  }
94 
95 }