ztimer.h

#ifndef ZTIMER
#define ZTIMER

#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>


class ZTimer {
public:
    struct timeval t1, t2;
public:
    ZTimer() {
        gettimeofday(&t1,0);
        t2 = t1;
    }
    void reset() {
        gettimeofday(&t1,0);
        t2 = t1;
    }
    int elapsed() {
        return static_cast<int>(((t2.tv_sec - t1.tv_sec) * 1000)
                                    + ((t2.tv_usec - t1.tv_usec) / 1000));
    }
    int split() {
        gettimeofday(&t2,0);
        return elapsed();
    }
};

#endif