JPrintRandom.cc

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#include <string>
#include <iostream>
#include <iomanip>

#include "TROOT.h"
#include "TFile.h"
#include "TRandom.h"

#include "JROOT/JRootFileReader.hh"

#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"


/**
 * \file
 *
 * Auxiliary program to print ROOT TRandom seed.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;

  string         inputFile;
  int            debug;

  try { 

    JParser<> zap("Auxiliary program to print ROOT TRandom seed.");
    
    zap['f'] = make_field(inputFile);
    zap['d'] = make_field(debug)           = 1;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }

  
  cout.tie(&cerr);

  using namespace JPP;

  JRootFileReader<TRandom> reader(inputFile.c_str(), gRandom->GetName());

  while (reader.hasNext()) {
      
    TRandom* x = reader.next();
    
    cout << "seed[" << reader.getCycle() << "] = " << x->GetSeed() << endl;
  }
    
  reader.close();
}