JPrintRandom.cc

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#include <string>
#include <iostream>
#include <iomanip>
 
#include "TROOT.h"
#include "TFile.h"
#include "TRandom.h"
#include "TBufferJSON.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;
  using namespace JPP;
 
  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);
  }
 
 
  JRootFileReader<TRandom> reader(inputFile.c_str(), gRandom->GetName());
 
  while (reader.hasNext()) {
      
    TRandom* p = reader.next();
 
    cout << "seed[" << reader.getCycle() << "] = " << endl;
    cout << TBufferJSON::ConvertToJSON(p) << endl;
  }
    
  reader.close();
}