#include "DQMOffline/RecoB/interface/HistoShifter.h"

#include "TH1F.h"

bool HistoShifter::insertAndShift(TH1F* in, const float& value) {
  const int& nBins = in->GetNbinsX();

  for (int i = 2; i < nBins; ++i) {
    in->SetBinContent(i - 1, in->GetBinContent(i));
    in->SetBinError(i - 1, in->GetBinError(i));
  }
  in->SetBinContent(nBins, value);

  return true;
}

bool HistoShifter::insertAndShift(TH1F* in, const float& value, const float& error) {
  const bool& ok = insertAndShift(in, value);
  in->SetBinError(in->GetNbinsX(), error);
  return ok;
}