#include <iostream>

#include "sigcx/timeval.h"

using namespace SigCX;
using namespace std;

ostream& operator<<(ostream& os, const TimeVal& tv)
{
  os << "(" << tv.tv_sec << ", " << tv.tv_usec << ")";
  return os;
}

int main()
{
  TimeVal tv1(1, 100), tv2(-1, 300);
  
  cout << tv1 << " + " << tv2 << " = " << tv1 + tv2 << endl;
  cout << tv1 << " - " << tv2 << " = " << tv1 - tv2 << endl;
  
  return 0;
}