G4INCLINuclearPotential.cc

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//
// INCL++ intra-nuclear cascade model
// Alain Boudard, CEA-Saclay, France
// Joseph Cugnon, University of Liege, Belgium
// Jean-Christophe David, CEA-Saclay, France
// Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
// Sylvie Leray, CEA-Saclay, France
// Davide Mancusi, CEA-Saclay, France
//
#define INCLXX_IN_GEANT4_MODE 1

#include "globals.hh"


#include "G4INCLINuclearPotential.hh"
#include "G4INCLNuclearPotentialEnergyIsospinSmooth.hh"
#include "G4INCLNuclearPotentialEnergyIsospin.hh"
#include "G4INCLNuclearPotentialIsospin.hh"
#include "G4INCLNuclearPotentialConstant.hh"

namespace G4INCL {

  namespace NuclearPotential {

    const G4double INuclearPotential::vPionDefault = 30.6; // MeV
    const G4double INuclearPotential::vKPlusDefault = -25.; // MeV (repulsive)
    const G4double INuclearPotential::vKMinusDefault = 60.; // MeV

    namespace {

      G4ThreadLocal std::map<long,INuclearPotential const *> *nuclearPotentialCache = NULL;

    }

    INuclearPotential const *createPotential(const PotentialType type, const G4int theA, const G4int theZ, const G4bool pionPotential) {
      if(!nuclearPotentialCache)
        nuclearPotentialCache = new std::map<long,INuclearPotential const *>;

      const long nuclideID = (pionPotential ? 1 : -1) * (1000*theZ + theA + 1000000*type); // MCNP-style nuclide IDs
      const std::map<long,INuclearPotential const *>::const_iterator mapEntry = nuclearPotentialCache->find(nuclideID);
      if(mapEntry == nuclearPotentialCache->end()) {
        INuclearPotential const *thePotential = NULL;
        switch(type) {
          case IsospinEnergySmoothPotential:
            thePotential = new NuclearPotentialEnergyIsospinSmooth(theA, theZ, pionPotential);
            break;
          case IsospinEnergyPotential:
            thePotential = new NuclearPotentialEnergyIsospin(theA, theZ, pionPotential);
            break;
          case IsospinPotential:
            thePotential = new NuclearPotentialIsospin(theA, theZ, pionPotential);
            break;
          case ConstantPotential:
            thePotential = new NuclearPotentialConstant(theA, theZ, pionPotential);
            break;
          default:
            INCL_FATAL("Unrecognized potential type at Nucleus creation." << '\n');
            break;
        }
        (*nuclearPotentialCache)[nuclideID] = thePotential;
        return thePotential;
      } else {
        return mapEntry->second;
      }
    }

    void clearCache() {
      if(nuclearPotentialCache) {
        for(std::map<long,INuclearPotential const *>::const_iterator i = nuclearPotentialCache->begin(), e=nuclearPotentialCache->end(); i!=e; ++i)
          delete i->second;
        nuclearPotentialCache->clear();
        delete nuclearPotentialCache;
        nuclearPotentialCache = NULL;
      }
    }

  } // namespace NuclearPotential

} // namespace G4INCL