#include <iostream>
#include <algorithm>
#include <string>
#include "TMath.h"
#include "TMatrixDSymEigen.h"
#include "RooNDKeysPdf.h"
#include "RooAbsReal.h"
#include "RooRealVar.h"
#include "RooRandom.h"
#include "RooHist.h"
#include "RooMsgService.h"
#include "RooChangeTracker.h"
#include "TError.h"