📄 timer.htm
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<BODY><XMP>#ifndef _TIMER_H_
#define _TIMER_H_
#ifndef WIN32
#include <sys/time.h>
#endif
class Timer{
public:
long elapsed;
#ifdef WIN32
int last, cur;
#else
struct timeval last, cur;
#endif
Timer()
{
reset();
}
void mark()
{
long dm;
#ifdef WIN32
cur = GetTickCount();
dm = cur - last;
#else
gettimeofday(&cur, NULL);
long ds, du; // difference in seconds, micro, and milli
ds = cur.tv_sec - last.tv_sec;
du = 1000000*ds - last.tv_usec + cur.tv_usec;
dm = du / 1000;
#endif;
elapsed = dm;
}
long ms()
{
mark();
return elapsed;
}
void reset()
{
elapsed = 0;
#ifdef WIN32
last = GetTickCount();
#else
gettimeofday(&last, NULL);
#endif
}
};
#endif
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