#include "HistPDF.h"
#include "RooRealVar.h"
#include "RooPlot.h"
#include "RooDataSet.h"
#include "RooFitResult.h"

using namespace RooFit;
using namespace std;
//using namespace RooStats;

void test()
{
    
    RooRealVar x("x","",0,1);
    RooRealVar z("z","",5.5,0,9);
    
    HistPDF npdf("pdf","",x,z);

    RooDataSet *data = npdf.generate(x,2000);
    
    RooFitResult *res = npdf.fitTo(*data, Minimizer("Minuit2","Migrad"), Save(true));
    res->Print();
    
    RooPlot *plot = x.frame();
    data->plotOn(plot);
    npdf.plotOn(plot);
    plot->Draw();
    
}