HistoCompare.h

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#ifndef RecoB_HistoCompare_h
#define RecoB_HistoCompare_h

#include "TFile.h"
#include "TH1.h"
#include "TString.h"

#include <iostream>
#include <string>
#include <vector>

class HistoCompare {

  public:
    HistoCompare();
    HistoCompare(const TString& refFilename);

    ~HistoCompare();

    TH1* Compare(TH1* h, const TString& hname);

    void SetReferenceFilename(const TString& filename) {
      refFilename_ = filename;
      //if (refFile_) delete refFile_;
      refFile_ = new TFile(refFilename_);
      if (refFile_->IsZombie()) {
          std::cout << " Error openning file " << refFilename_ << std::endl;
          std::cout << " we will not compare histograms. " << std::endl;
          do_nothing_ = true;
      }
      std::cout << " open file" << std::endl;
    };

    void SetChi2Test(bool test=true) {
        setChi2Test_ = test;
    };
    
    void SetKGTest(bool test=true) {
        setKGTest_ = test;
    };
    
    double GetResult() { return result_; };

  private:

    bool setChi2Test_;
    bool setKGTest_;
    double result_;
    bool do_nothing_;
    
    TH1 *resHisto_;
    TH1 *refHisto_;
    TFile *refFile_;
    
    TString refFilename_;

    //std::map<std::string, TH1*> histomap_;
    
};

#endif