RK4PreciseStep.h

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#ifndef RK4PreciseStep_H
#define RK4PreciseStep_H

#include "FWCore/Utilities/interface/Visibility.h"
#include "CartesianState.h"
#include <utility>

class RKCartesianDerivative;

class dso_internal RK4PreciseStep {
public:
  CartesianState operator()(const CartesianState& start,
                            const RKCartesianDerivative& deriv,
                            double step,
                            double eps) const;

  double distance(const CartesianState& a, const CartesianState& b) const;

  std::pair<CartesianState, double> stepWithAccuracy(const CartesianState& start,
                                                     const RKCartesianDerivative& deriv,
                                                     double step) const;

private:
  bool verbose() const;
};

#endif