ErrorCalc.h

/*
 * StdError.h
 *
 *  Created on: 21 paź 2023
 *      Author: Daniel Wielanek
 *      E-mail: daniel.wielanek@gmail.com
 *      Warsaw University of Technology, Faculty of Physics
 */
#ifndef HAL_FEATURES_STD_STDERRORCALC_H_
#define HAL_FEATURES_STD_STDERRORCALC_H_
 
#include "Std.h"
#include <TNamed.h>
namespace Hal {
  class ErrorCalc : public TNamed {
    Double_t fMeasurement       = {0};
    Double_t fStatisticalUncert = {0};
    std::vector<std::pair<TString, std::vector<std::pair<Double_t, Double_t>>>> fValues;
    std::vector<std::pair<Double_t, Double_t>> GetAllUncerts(TString name) const;
 
  public:
    ErrorCalc(TString name = "", Double_t val = 0, Double_t err = 0);
    void SetMeasuredVal(Double_t val) { fMeasurement = val; }
    void SetStatError(Double_t val) { fStatisticalUncert = val; };
    void AddSysError(TString name, Double_t value, Double_t uncert = -1);
    Double_t GetStatError() const;
    Double_t BarlowTest(Int_t prec = 4) const;
    Double_t TotalSys(Int_t prec = 4) const;
    static Double_t SumError(std::initializer_list<Double_t> errs);
    virtual ~ErrorCalc() = default;
    ClassDef(ErrorCalc, 0)
  };
 
} /* namespace Hal */
 
#endif /* HAL_FEATURES_STD_STDERRORCALC_H_ */