#include <iostream>
#include <fstream>
using namespace std;
#include "TH1D.h"
#include "TGraph.h"
#include "TStyle.h"
int likelihood_plot(){

  ifstream inf("FCN2.txt");
  TH1D *h1=new TH1D("h1","h1",300,0,3);


  double x, y;
  int a=0;
  while(inf>>y){
    if(y!=0)    h1->SetBinContent(a, y);

    a++;
  }
  gStyle->SetOptStat("00");
  h1->SetTitle("");
  h1->SetXTitle("Sigma value");
  h1->SetYTitle("-2 Log Likelihood");


  h1->Draw();
  
  return  0;
}