// StopWatch class
// P. Conrad, Feb 26, 2004
// measures elapsed CPU time in microseconds (million'ths of second)
// Note: abbrev for microseconds is usec, not msec and not ms
// ms is milliseconds, which is thousandths of a second.

#include <time.h>

clock_t clock(void);

class StopWatch 
{
private: 
  clock_t startTime; // time the stop watch was started
  clock_t stopTime; // stop the stop watch
  int value;  // current value of stop watch
public:
  StopWatch(); // constructor: make a new stopwatch
  void reset(); // reset the stopwatch
  void stop(); // stop the stopwatch
  void start(); // start the stopwatch
  int readValue(); // read the value of the stopwatch in seconds.

};