JDiffToAshort.cc File Reference

Program to compare toashort data. More...

#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include "TROOT.h"
#include "TFile.h"
#include "JDB/JToAshort.hh"
#include "JDB/JSupport.hh"
#include "JSupport/JSingleFileScanner.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Detailed Description

Program to compare toashort data.

Author

mdejong

Definition in file JDiffToAshort.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 104 of file JDiffToAshort.cc.

{
  using namespace std;
  using namespace JPP;
  
  vector<string> inputFile;
  JLimit         numberOfEvents;
  int            debug;

  try {

    JParser<> zap("Program to compare toashort data.");
    
    zap['f'] = make_field(inputFile,    "two outputs of JConvertDB -q toashort");
    zap['n'] = make_field(numberOfEvents)                                    = JLimit::max();    
    zap['d'] = make_field(debug)                                             = 2;

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

  if (inputFile.size() != 2u) {
    FATAL("Wrong number of input files " << inputFile.size() << endl); 
  }

  const size_t width = max(inputFile[0].size(), inputFile[1].size());

  vector<JToAshort> buffer[2];

  for (int i = 0; i != 2; ++i) {
    
    for (JSingleFileScanner<JToAshort> in(inputFile[i], numberOfEvents); in.hasNext(); ) {
      buffer[i].push_back(*in.next());
    }

    sort(buffer[i].begin(), buffer[i].end(), compare);
  }
  
  int count[] = { 0, 0 };
  
  for (vector<JToAshort>::const_iterator
         p0 = buffer[0].begin(),
         p1 = buffer[1].begin(); p0 != buffer[0].end() && p1 != buffer[1].end(); ) {

    for ( ; p0 != buffer[0].end() && p1 != buffer[1].end() && compare(*p0,*p1); ++p0, ++count[1]) {
      DEBUG(">> " << setw(width) << left << inputFile[0] << right << ' ' << *p0 << endl);
    }

    for ( ; p0 != buffer[0].end() && p1 != buffer[1].end() && compare(*p1,*p0); ++p1, ++count[1]) {
      DEBUG("<< " << setw(width) << left << inputFile[1] << right << ' ' << *p1 << endl);
    }

    if (p0 != buffer[0].end() && p1 != buffer[1].end() && !compare(*p0,*p1) && !compare(*p1,*p0)) {

      ++count[0];

      DEBUG(setw(width) << left << inputFile[0] << right << ' ' << *p0 << " \\" << endl);
      DEBUG(setw(width) << left << inputFile[1] << right << ' ' << *p1 << " / " << endl);

      ++p0;
      ++p1;
    }
  }

  STATUS("Number of differences / events: " << count[1] << " / " << count[0] << endl);
    
  if (count[1] != 0) {
    FATAL("Number of differences " << count[1] << endl);
  }
}