G4FieldManagerHelper.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef G4FieldManagerHelper_H
#define G4FieldManagerHelper_H
 
#include "G4FieldManager.hh"
 
namespace G4FieldManagerHelper
{
  inline G4bool SetMinAndMaxEpsilonStep( G4FieldManager *fieldMgr, double eps_min, double eps_max ) 
  {
    if( fieldMgr == nullptr ) { return false; }
 
    if( eps_min > fieldMgr->GetMaximumEpsilonStep() )
    { 
      fieldMgr->SetMaximumEpsilonStep( eps_max );
      fieldMgr->SetMinimumEpsilonStep( eps_min );
    }
    else
    {
      fieldMgr->SetMinimumEpsilonStep( eps_min );
      fieldMgr->SetMaximumEpsilonStep( eps_max );
    }
    return eps_min <= eps_max;
  }
}
 
#endif