// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4MuIonisation.icc,v 1.1.10.1 1999/12/07 20:50:43 gunter Exp $
// GEANT4 tag $Name: geant4-01-00 $
//
//
// ---------------------------------------------------------------
//      GEANT 4 class inlined methods file
//
//      For information related to this code contact:
//      CERN, CN Division, ASD group
//      History: first implementation, based on object model of
//      2nd December 1995, G.Cosmo
//      ------------ G4MuIonisation physics process -------------
//                by Laszlo Urban, September 1997
// ---------------------------------------------------------------
// It is the implementation of the NEW IONISATION PROCESS.               
// It calculates the ionisation of muons.
// ***************************************************************
// 24/11/97: correction on MeanFreePath for KinEnergy > HighestLimit
// ---------------------------------------------------------------

inline G4double G4MuIonisation::GetMeanFreePath(const G4Track& trackData,
                                                G4double previousStepSize,
                                                G4ForceCondition* condition) 
{
   const G4DynamicParticle* aParticle ;
   G4Material* aMaterial ;
   G4double KineticEnergy,MeanFreePath;
   G4bool isOutRange ;
 
   *condition = NotForced ;

   aParticle = trackData.GetDynamicParticle() ;
   aMaterial = trackData.GetMaterial() ;

   KineticEnergy = aParticle->GetKineticEnergy() ;

   if( KineticEnergy < LowestKineticEnergy )
     MeanFreePath = DBL_MAX ;
   else {
     if(KineticEnergy > HighestKineticEnergy) 
                                   KineticEnergy = HighestKineticEnergy;
     MeanFreePath = ((*theMeanFreePathTable)(aMaterial->GetIndex()))->
                    GetValue(KineticEnergy,isOutRange) ;
     }

   return MeanFreePath ;
}

inline G4bool G4MuIonisation::IsApplicable(
                            const G4ParticleDefinition& particle)
{
     return (  (&particle == (const G4ParticleDefinition *)theMuonPlus)
           ||(&particle == (const G4ParticleDefinition *)theMuonMinus)
          );  
}
