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// $Id: G4ExitonConfiguration.hh,v 1.8 2010/12/15 07:39:50 gunter Exp $
//
// 20100909  Add function to reset values to zero
// 20100924  Migrate to integer A and Z

#ifndef G4EXITON_CONFIGURATION_HH
#define G4EXITON_CONFIGURATION_HH

class G4ExitonConfiguration {
public:
  G4ExitonConfiguration() 
    : protonQuasiParticles(0), neutronQuasiParticles(0),
      protonHoles(0), neutronHoles(0) {}

  G4ExitonConfiguration(G4int qpp, G4int qnp, G4int qph, G4int qnh) 
    : protonQuasiParticles(qpp), neutronQuasiParticles(qnp), 
      protonHoles(qph), neutronHoles(qnh) {}

  void clear() {
    protonQuasiParticles = neutronQuasiParticles = 0;
    protonHoles = neutronHoles = 0;
  }

  void incrementQP(G4int ip) {
    if (ip == 1) protonQuasiParticles++;
    else if (ip == 2) neutronQuasiParticles++;
  }

  void incrementHoles(G4int ip) {
    if (ip == 1) protonHoles++;
    else if (ip == 2) neutronHoles++;
  }

  void print() const {
    G4cout << " Exiton configuration " << G4endl
	   << " proton particles " << protonQuasiParticles << " holes " 
	   << protonHoles << G4endl
	   << " neutron particles " << neutronQuasiParticles << " holes " 
	   << neutronHoles << G4endl;
  }
     
  G4int protonQuasiParticles;
  G4int neutronQuasiParticles;
  G4int protonHoles;
  G4int neutronHoles;
};        

#endif // G4EXITON_CONFIGURATION_HH 
