text: #ifndef STOPWATCHLINUX_H_
  #define STOPWATCHLINUX_H_
  #include <time.h>
  
  class SubStopWatch
  {
      struct timespec lastStartTime;
      struct timespec programStartTime;
  
  public:
      SubStopWatch();
      ~SubStopWatch(){}
      void start();
  	double elapsedTime();
  	double programTime();
  	double systemTime();
  };
  
  #endif /* STOPWATCHLINUX_H_ */
  