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// G4BorisDriver inline methods implementation

// Author: Divyansh Tiwari, Google Summer of Code 2022
// Supervision: John Apostolakis,Renee Fatemi, Soon Yung Jun
// --------------------------------------------------------------------

void G4BorisDriver::SetVerboseLevel(G4int level)
{
    fVerbosity = (level != 0);
}

G4int G4BorisDriver::GetVerboseLevel() const
{
    return static_cast<G4int>(fVerbosity);
}

G4double G4BorisDriver::ComputeNewStepSize( G4double /* errMaxNorm*/, G4double  hstepCurrent)
{
   return hstepCurrent;
}

const G4EquationOfMotion* G4BorisDriver::GetEquationOfMotion() const
{
   auto eq = boris->GetEquationOfMotion();
   return eq;
}

G4EquationOfMotion* G4BorisDriver::GetEquationOfMotion()
{
   auto eq = boris->GetEquationOfMotion();
   return eq;
}

#if 0
// #ifdef G4USE_SET_EQUATION_OF_MOTION
void G4BorisDriver::
SetEquationOfMotion( G4EquationOfMotion* equation )
{
    boris->SetEquationOfMotion(equation);
}
#endif

G4int G4BorisDriver::GetNumberOfVariables() const
{
    return boris->GetNumberOfVariables();
}

const G4MagIntegratorStepper*
G4BorisDriver::GetStepper() const
{
    return nullptr;
}

G4MagIntegratorStepper*
G4BorisDriver::GetStepper()
{
    return nullptr;
}

void G4BorisDriver::CheckStep(const G4ThreeVector& posIn,
                              const G4ThreeVector& posOut,
                              G4double hdid) const
{
   const G4double endPointDist = (posOut - posIn).mag();
   if (endPointDist >= hdid * (1. + CLHEP::perMillion))
   {
      // ++fNoAccurateAdvanceBadSteps;
// #ifdef G4DEBUG_FIELD
      // Issue a warning only for gross differences -
      // we understand how small difference occur.
      if (endPointDist >= hdid * (1. + CLHEP::perThousand))
      {
         G4Exception("G4BorisDriver::CheckStep()",
                     "GeomField1002", JustWarning,
                     "endPointDist >= hdid!");
      }
      else
      {
         G4cerr << "G4BorisDriver::CheckStep: moved further than curve distance! "
                << "  curve hdid= " << hdid << " endpoint dist= " << endPointDist
                << "  ratio - 1 = " << (endPointDist - hdid) / hdid
                << " ( > 1.0e-6 threshold to report ) "
                << G4endl; 
      }
// #endif
   }
   else
   {
      // ++fNoAccurateAdvanceGoodSteps;
   }
}