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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 /** \file G4INCLINuclearPotential.cc
40 * \brief Abstract interface to the nuclear potential.
41 *
42 * NuclearPotential-like classes should provide access to the value of the
43 * potential of a particle in a particular context. For example, an instance of
44 * a NuclearPotential class should be associated to every nucleus.
45 *
46 * \date 31 March 2011
47 * \author Davide Mancusi
48 */
49
50 #include "G4INCLINuclearPotential.hh"
51 #include "G4INCLNuclearPotentialEnergyIsospinSmooth.hh"
52 #include "G4INCLNuclearPotentialEnergyIsospin.hh"
53 #include "G4INCLNuclearPotentialIsospin.hh"
54 #include "G4INCLNuclearPotentialConstant.hh"
55
56 namespace G4INCL {
57
58 namespace NuclearPotential {
59
60 const G4double INuclearPotential::vPionDefault = 30.6; // MeV
61 const G4double INuclearPotential::vKPlusDefault = -25.; // MeV (repulsive)
62 const G4double INuclearPotential::vKMinusDefault = 60.; // MeV
63
64 namespace {
65
66 G4ThreadLocal std::map<long,INuclearPotential const *> *nuclearPotentialCache = NULL;
67
68 }
69
70 INuclearPotential const *createPotential(const PotentialType type, const G4int theA, const G4int theZ, const G4bool pionPotential) {
71 if(!nuclearPotentialCache)
72 nuclearPotentialCache = new std::map<long,INuclearPotential const *>;
73
74 const long nuclideID = (pionPotential ? 1 : -1) * (1000*theZ + theA + 1000000*type); // MCNP-style nuclide IDs
75 const std::map<long,INuclearPotential const *>::const_iterator mapEntry = nuclearPotentialCache->find(nuclideID);
76 if(mapEntry == nuclearPotentialCache->end()) {
77 INuclearPotential const *thePotential = NULL;
78 switch(type) {
79 case IsospinEnergySmoothPotential:
80 thePotential = new NuclearPotentialEnergyIsospinSmooth(theA, theZ, pionPotential);
81 break;
82 case IsospinEnergyPotential:
83 thePotential = new NuclearPotentialEnergyIsospin(theA, theZ, pionPotential);
84 break;
85 case IsospinPotential:
86 thePotential = new NuclearPotentialIsospin(theA, theZ, pionPotential);
87 break;
88 case ConstantPotential:
89 thePotential = new NuclearPotentialConstant(theA, theZ, pionPotential);
90 break;
91 default:
92 INCL_FATAL("Unrecognized potential type at Nucleus creation." << '\n');
93 break;
94 }
95 (*nuclearPotentialCache)[nuclideID] = thePotential;
96 return thePotential;
97 } else {
98 return mapEntry->second;
99 }
100 }
101
102 void clearCache() {
103 if(nuclearPotentialCache) {
104 for(std::map<long,INuclearPotential const *>::const_iterator i = nuclearPotentialCache->begin(), e=nuclearPotentialCache->end(); i!=e; ++i)
105 delete i->second;
106 nuclearPotentialCache->clear();
107 delete nuclearPotentialCache;
108 nuclearPotentialCache = NULL;
109 }
110 }
111
112 } // namespace NuclearPotential
113
114 } // namespace G4INCL
115
116