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// $Id: G4DynamicParticle.icc,v 1.8 2001/07/11 10:01:55 gunter Exp $
// GEANT4 tag $Name: geant4-05-00 $
//
// 
// ------------------------------------------------------------
//	GEANT 4 class header file 
//
//	History: first implementation, based on object model of
//                             17 AUg. 1999   H.Kurashige  
// ------------------------------------------------------------


extern G4Allocator<G4DynamicParticle> aDynamicParticleAllocator;

// ------------------------
// Inlined operators
// ------------------------

inline void * G4DynamicParticle::operator new(size_t)
{
  void * aDynamicParticle;
  aDynamicParticle = (void *) aDynamicParticleAllocator.MallocSingle();
  return aDynamicParticle;
}

inline void G4DynamicParticle::operator delete(void * aDynamicParticle)
{
  aDynamicParticleAllocator.FreeSingle((G4DynamicParticle *) aDynamicParticle);
}

// ------------------------
// Inlined functions
// ------------------------

inline const G4ElectronOccupancy* G4DynamicParticle::GetElectronOccupancy() const
{
  return theElectronOccupancy;
}

inline G4int  G4DynamicParticle::GetTotalOccupancy() const
{
  G4int value = 0;
  if ( theElectronOccupancy != 0) { 
    value = theElectronOccupancy->GetTotalOccupancy();
  }
  return value;
}

inline G4int   G4DynamicParticle::GetOccupancy(G4int orbit) const
{
  G4int value = 0;
  if ( theElectronOccupancy != 0) { 
    value = theElectronOccupancy->GetOccupancy(orbit);
  }
  return value;
}

inline void  G4DynamicParticle::AddElectron(G4int orbit, G4int number )
{
  if ( theElectronOccupancy != 0) { 
    G4int n = theElectronOccupancy->AddElectron(orbit, number );
    theDynamicalCharge -= eplus * n;
    theDynamicalMass += GetElectronMass() * n;
  }
}

inline void    G4DynamicParticle::RemoveElectron(G4int orbit, G4int number)
{
  if ( theElectronOccupancy != 0) { 
    G4int n = theElectronOccupancy->RemoveElectron(orbit, number );
    theDynamicalCharge += eplus * n;
    theDynamicalMass -= GetElectronMass() * n;
  }
}

 

inline G4double G4DynamicParticle::GetCharge() const
{
  return theDynamicalCharge;
}

inline void G4DynamicParticle::SetCharge(G4double newCharge)
{
  theDynamicalCharge = newCharge;
}

inline void G4DynamicParticle::SetCharge(G4int newCharge)
{
  theDynamicalCharge = newCharge*eplus;
}

inline G4double G4DynamicParticle::GetMass() const
{
  return theDynamicalMass;
}

inline void G4DynamicParticle::SetMass(G4double newMass)
{
  theDynamicalMass = newMass;
}

inline const G4ThreeVector& G4DynamicParticle::GetMomentumDirection() const
{
  return theMomentumDirection;
}

inline G4ThreeVector G4DynamicParticle::GetMomentum() const
{
  G4double pModule = sqrt(theKineticEnergy*theKineticEnergy +
                        2*theKineticEnergy*theDynamicalMass);
  G4ThreeVector pMomentum(theMomentumDirection.x()*pModule,
                          theMomentumDirection.y()*pModule,
                          theMomentumDirection.z()*pModule);
  return pMomentum;
}

inline  G4LorentzVector  G4DynamicParticle::Get4Momentum() const
{       
  G4double mass      = theDynamicalMass;
  G4double energy    = theKineticEnergy;
  G4double momentum  = sqrt(energy*energy+2.0*mass*energy);
  G4LorentzVector    p4( theMomentumDirection.x()*momentum,
       			 theMomentumDirection.y()*momentum,
       			 theMomentumDirection.z()*momentum,
       			 energy+mass);
  return p4;
}

inline G4double G4DynamicParticle::GetTotalMomentum() const
{
  // The momentum is returned in energy equivalent.
  return sqrt((theKineticEnergy + 2.*theDynamicalMass)* theKineticEnergy);
}

inline G4ParticleDefinition* G4DynamicParticle::GetDefinition() const
{
  return theParticleDefinition;
}

inline const G4ThreeVector& G4DynamicParticle::GetPolarization() const
{
  return thePolarization;
}

inline G4double G4DynamicParticle::GetProperTime() const
{
  return theProperTime;
}

inline G4double G4DynamicParticle::GetTotalEnergy() const
{
  return (theKineticEnergy+theDynamicalMass);
}

inline G4double G4DynamicParticle::GetKineticEnergy() const
{
  return theKineticEnergy;
}

inline void G4DynamicParticle::SetMomentumDirection(const G4ThreeVector &aDirection)
{
  theMomentumDirection = aDirection;
}

inline void G4DynamicParticle::SetMomentumDirection(G4double px, G4double py, G4double pz)
{
  theMomentumDirection.setX(px);
  theMomentumDirection.setY(py);
  theMomentumDirection.setZ(pz);
}


inline void G4DynamicParticle::SetPolarization(G4double polX, G4double polY, G4double polZ)
{
  thePolarization.setX(polX);
  thePolarization.setY(polY);
  thePolarization.setZ(polZ);
}

inline void G4DynamicParticle::SetKineticEnergy(G4double aEnergy)
{
  theKineticEnergy = aEnergy;
}

inline void G4DynamicParticle::SetProperTime(G4double atime)
{
  theProperTime = atime;
}

inline const G4DecayProducts* G4DynamicParticle::GetPreAssignedDecayProducts() const
{ 
  return thePreAssignedDecayProducts;
}

inline void G4DynamicParticle::SetPreAssignedDecayProducts(G4DecayProducts* aDecayProducts)
{
 thePreAssignedDecayProducts = aDecayProducts;
}

inline G4double G4DynamicParticle::GetPreAssignedDecayProperTime() const
{
  return thePreAssignedDecayTime;
}
 
inline void G4DynamicParticle::SetPreAssignedDecayProperTime(G4double aTime)
{
  thePreAssignedDecayTime = aTime;
}

inline 
void G4DynamicParticle::SetVerboseLevel(G4int value)
{
   verboseLevel = value;
}

inline 
G4int G4DynamicParticle::GetVerboseLevel() const
{
   return verboseLevel;
}