#ifndef PNDTPCDXCALCULATOR
#define PNDTPCDXCALCULATOR

#include <vector>
#include <ostream>
class TVector3;

class PndTpcDXCalculator
{
public:
	void SetNextPoint(double x, double y, double z, double de);
	void GetCenteredDEDX(double &de, double &dx);
	void GetDEDX(double &de, double &dx);
	double CalculateDX();
	friend std::ostream& operator<< (std::ostream& s, const PndTpcDXCalculator& me);
private:
	std::vector<TVector3*> _vpos;
	std::vector<double> _vde;
	void RemoveUnusedPoint();
};

#endif