G4ExitonConfiguration.hh

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// $Id$
//
// 20100909  Add function to reset values to zero
// 20100924  Migrate to integer A and Z
// 20110225  M. Kelsey -- Add equality operator (NOT sorting!)
// 20110922  M. Kelsey -- Replace print() with stream operator<<(), put
//              implementation into new .cc file.
// 20121009  M. Kelsey -- Add empty() test for no excitons, fix constness

#ifndef G4EXITON_CONFIGURATION_HH
#define G4EXITON_CONFIGURATION_HH

#include "globals.hh"
#include <iosfwd>

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;
  }

  bool empty() const {
    return (protonQuasiParticles==0 && neutronQuasiParticles==0 &&
            protonHoles==0 && neutronHoles==0);
  }

  bool operator==(const G4ExitonConfiguration& right) const {
    return ( (&right == this) ||
             (protonQuasiParticles == right.protonQuasiParticles &&
              neutronQuasiParticles == right.neutronQuasiParticles &&
              protonHoles == right.protonHoles &&
              neutronHoles == right.neutronHoles) );
  }

  bool operator!=(const G4ExitonConfiguration& right) const {
    return !operator==(right);
  }


  // Modify configuration

  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++;
  }

  G4int protonQuasiParticles;
  G4int neutronQuasiParticles;
  G4int protonHoles;
  G4int neutronHoles;
};        

// Dump information to output

std::ostream& operator<<(std::ostream& os, const G4ExitonConfiguration& ex);

#endif // G4EXITON_CONFIGURATION_HH 

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