DTLinearFit.h

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#ifndef DTSegment_DTLinearFit_h
#define DTSegment_DTLinearFit_h
 
/* Base Class Headers */
 
/* Collaborating Class Declarations */
 
/* C++ Headers */
#include <vector>
#include <iostream>
 
/* ====================================================================== */
 
/* Class DTLinearFit Interface */
 
class DTLinearFit {
public:
  DTLinearFit();
 
  ~DTLinearFit();
 
  /* Operations */
  void fit(const std::vector<float>& x,
           const std::vector<float>& y,
           int ndat,
           const std::vector<float>& sigy,
           float& slope,
           float& intercept,
           double& chi2,
           float& covss,
           float& covii,
           float& covsi) const;
 
  // General function for performing a 2, 3 or 4 parameter fit
  void fitNpar(const int npar,
               const std::vector<float>& xfit,
               const std::vector<float>& yfit,
               const std::vector<int>& lfit,
               const std::vector<double>& tfit,
               const std::vector<float>& sigy,
               float& aminf,
               float& bminf,
               float& cminf,
               float& vminf,
               double& chi2fit,
               const bool debug) const;
 
  // wrapper for the 3 parameter fit
  void fit3par(const std::vector<float>& xfit,
               const std::vector<float>& yfit,
               const std::vector<int>& lfit,
               const int nptfit,
               const std::vector<float>& sigy,
               float& aminf,
               float& bminf,
               float& cminf,
               double& chi2fit,
               const bool debug) const;
 
  void fit4Var(const std::vector<float>& xfit,
               const std::vector<float>& yfit,
               const std::vector<int>& lfit,
               const std::vector<double>& tfit,
               const int nptfit,
               float& aminf,
               float& bminf,
               float& cminf,
               float& vminf,
               double& chi2fit,
               const bool vdrift_4parfit,
               const bool debug) const;
 
protected:
private:
};
#endif  // DTSegment_DTLinearFit_h