G4MagIntegratorStepper.cc

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// G4MagIntegratorStepper implementation
//
// Author: J.Apostolakis, CERN - 15.01.1997
// --------------------------------------------------------------------
 
#include <cassert>
#include "G4MagIntegratorStepper.hh"
 
// Constructor for stepper abstract base class. 
// 
//
G4MagIntegratorStepper::
G4MagIntegratorStepper( G4EquationOfMotion* Equation,
                        G4int               num_integration_vars,
                        G4int               num_state_vars,
                        G4bool              isFSAL )
  : fEquation_Rhs(Equation),
    fNoIntegrationVariables(num_integration_vars),
    fNoStateVariables(std::max(num_state_vars,8)),
    fIsFSAL(isFSAL)
{
  if( Equation == nullptr ) {
     G4Exception( "G4MagIntegratorStepper::G4MagIntegratorStepper", "GeomField0003",
                  FatalErrorInArgument, "Must have non-null equation." );
  }
  assert( Equation != nullptr );
}