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 *
 *  Data Differential YATL (i.e. libtest)  library
 *
 *  Copyright (C) 2012 Data Differential, http://datadifferential.com/
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#pragma once

#include <cstdlib>
#include <ctime>
#include <iostream>


namespace libtest {

class Timer {
public:

  Timer();

  void reset();

  void sample();

  void offset(int64_t minutes_arg, int64_t seconds_arg, int64_t nanoseconds);

  int64_t minutes();

  uint64_t elapsed_milliseconds() const;

  void difference(struct timespec& arg) const;

private:
  void _time(struct timespec& ts);

private:
  struct timespec _begin;
  struct timespec _end;
};

std::ostream& operator<<(std::ostream& output, const libtest::Timer& arg);

} // namespace libtest