#define MyClass_cxx
#include "MyClass.h"
#include "TMatrixD.h"
#include "TVectorD.h"
#include <TH2.h>
#include <TStyle.h>
#include <TCanvas.h>
#include "TDecompSVD.h"

void MyClass::Main()
{
   if (fChain == 0) return;

   Long64_t nentries = fChain->GetEntriesFast();

   Long64_t nbytes = 0, nb = 0;
   for (Long64_t jentry=0; jentry<nentries;jentry++) {
      Long64_t ientry = LoadTree(jentry);
      if (ientry < 0) break;
      nb = fChain->GetEntry(jentry);   nbytes += nb;
      // if (Cut(ientry) < 0) continue;
   }
   
   printf("speed of light = %lf\n",speedc);
}