Clock.h

///
/// The clock, for timing
///
 
#ifndef __CLOCK_H__
#define __CLOCK_H__
 
namespace df {
 
class Clock {
 
 private:
  long long m_previous_time; /// Previous time delta() called (in microseconds).
 
 public:
  /// Sets previous_time to current time.
  Clock();
 
  /// Return time elapsed since delta() was called, -1 if error.
  /// Resets clock time.
  /// Units are microseconds.
  long long delta();
 
  /// Return time elapsed since delta() was called, -1 if error.
  /// Does not reset clock time.
  /// Units are microseconds.
  long long split() const;
};
 
} // end of namespace df
#endif // __CLOCK_H__