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