#include <iostream>
#include <fstream>
#include <math.h>   

#include "TH1F.h"
#include "TF1.h"
#include "TLine.h"
#include "TRandom3.h"
#include "TMath.h"
#include "TGraphErrors.h"
#include "TCanvas.h"
#include "TFile.h"


Double_t multipeak(Double_t *x,Double_t *par) {
  float result = 0.;
  float mean = 0.;
  for (unsigned int i = 0; i < 12; i++) {
    mean = par[0]*i;
    result += par[2*i+1]*TMath::Gaus(x[0],mean,par[2*i+2],false);
  }
  return result;
}