/data/refman/pasoursint/CMSSW_5_2_7_hltpatch2/src/TrackPropagation/RungeKutta/src/RKDerivative.h

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#ifndef RKDerivative_H
#define RKDerivative_H

#include "FWCore/Utilities/interface/Visibility.h"
#include "RKSmallVector.h"


template <typename T, int N>
class dso_internal RKDerivative {
public:
 
  typedef T                                   Scalar;
  typedef RKSmallVector<T,N>                  Vector;

  virtual ~RKDerivative() {}

  virtual Vector operator()( Scalar startPar, const Vector& startState) const = 0;

};

#endif