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//
// G4FieldManager inline implementation 
//
// Author: John Apostolakis (CERN), 10.03.1997 - Design and implementation
// -------------------------------------------------------------------

inline
const G4Field* G4FieldManager::GetDetectorField() const
{ 
   // If pointer is null, should this raise an exception ??

   return fDetectorField;
} 

inline
G4bool G4FieldManager::DoesFieldExist() const
{ 
   return (fDetectorField != nullptr);
} 

inline  
void G4FieldManager::SetChordFinder(G4ChordFinder* aChordFinder)
{
   fChordFinder= aChordFinder;
}

inline  
G4ChordFinder* G4FieldManager::GetChordFinder()
{  
   return fChordFinder;
}

inline  
const G4ChordFinder* G4FieldManager::GetChordFinder() const
{
   return fChordFinder;
}

inline
G4double G4FieldManager::GetDeltaIntersection() const
{
   return fDelta_Intersection_Val;
}

inline
G4double G4FieldManager::GetDeltaOneStep() const
{
   return fDelta_One_Step_Value;
}

inline
void G4FieldManager::SetDeltaOneStep(G4double valDeltaOneStep)
{ 
   fDelta_One_Step_Value= valDeltaOneStep;  
}

inline
void G4FieldManager::SetDeltaIntersection(G4double valDeltaIntersection)
{
   fDelta_Intersection_Val = valDeltaIntersection;
}

inline
void G4FieldManager::SetAccuraciesWithDeltaOneStep(G4double valDeltaOneStep)
{ 
   fDelta_One_Step_Value= valDeltaOneStep;  
   fDelta_Intersection_Val = 0.4 * fDelta_One_Step_Value;
}

inline G4bool G4FieldManager::DoesFieldChangeEnergy() const
{
   return fFieldChangesEnergy;
}

inline void G4FieldManager::SetFieldChangesEnergy(G4bool value)
{
   fFieldChangesEnergy = value;
}

// Minimum for Relative accuracy of any Step
//
inline 
G4double G4FieldManager::GetMinimumEpsilonStep() const
{
   return fEpsilonMin; 
}

// Maximum for Relative accuracy of any Step
//
inline 
G4double G4FieldManager::GetMaximumEpsilonStep() const
{
   return fEpsilonMax; 
}

inline
void G4FieldManager::ChangeDetectorField(G4Field* detectorField)
{
   G4int errorType = 2; // Fatal !
   SetDetectorField( detectorField, errorType ); 
}

inline
void G4FieldManager::ProposeDetectorField(G4Field* detectorField)
{
  // Note: this is equivalent to 
  //       this->SetDetectorField( detectorField, 0 );
  //       but simpler!

  fDetectorField = detectorField;
  InitialiseFieldChangesEnergy();
}

inline
void G4FieldManager::SetGlobalFieldManager(G4FieldManager* fieldManager)
{
   fGlobalFieldManager = fieldManager;
}

inline
G4FieldManager* G4FieldManager::GetGlobalFieldManager()
{
   return fGlobalFieldManager;
}