/*
 *
 * Copyright (c) 1994
 * Hewlett-Packard Company
 *
 */

#ifndef CLOCK_H
#define CLOCK_H

extern "C" {
#include <sys/time.h>
}


class Clock {
    struct timeval  start;
    struct timeval  now;
    struct timezone tz;

public:
    Clock() {};
    void   clear(); 
    double time();
};

    
inline void Clock::clear() 
{ 
    (void) gettimeofday( &start, &tz ); 
}
     
inline double Clock::time()   
{ 
    (void) gettimeofday( &now, &tz ); 
    return ( double( now.tv_sec - start.tv_sec ) * 1000000 +
	     double( now.tv_usec - start.tv_usec ) );
}
    

#endif