LauCalcChiSq.hh

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/*
Copyright 2008 University of Warwick

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

/*
Laura++ package authors:
John Back
Paul Harrison
Thomas Latham
*/

#include "TH2Poly.h"
#include "TString.h"

#include <vector>

class LauCalcChiSq {

        public:


                LauCalcChiSq(const TString& inputFileName = "chiSqInput.txt");

                virtual ~LauCalcChiSq();


                inline void setVerbose(const Bool_t flag) {verbose_ = flag;}

                void run();

        private:
                void initialiseHistos();


                void pickBinning(const Double_t* xs, const Double_t* ys, const Int_t nEntries, std::vector<Int_t>& divisions);


                void getHisto(const Double_t xMin, const Double_t xMax, const Double_t yMin, const Double_t yMax, const Double_t* xs, const Double_t* ys, const Int_t nEntries, const std::vector<Int_t>& divisions, const UInt_t iter=0);

                void calculateChiSq();

                void makePlots();

                TString inputFileName_;

                TString fileName1_;
                TString fileName2_;
                TString treeName1_;
                TString treeName2_;

                TString xName1_;
                TString xName2_;
                TString yName1_;
                TString yName2_;

                Float_t minContent_;

                TH2Poly* theHisto_;
                TH2Poly* histo1_;
                TH2Poly* histo2_;
                TH2Poly* pullHisto_;
                TH2Poly* chiSqHisto_;
                TH2Poly* chiSqSignedHisto_;

                Float_t xMin_;
                Float_t xMax_;
                Float_t yMin_;
                Float_t yMax_;

                Int_t nParams_;

                Float_t scaleFactor_;

                Bool_t verbose_;

                ClassDef(LauCalcChiSq,0)
};