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#ifndef _TIMER_H_
#define _TIMER_H_
#include <stdio.h>
#include <sys/time.h>
typedef struct Timer {
struct timeval startTime;
struct timeval endTime;
} Timer;
static void startTimer(Timer* timer) {
gettimeofday(&(timer->startTime), NULL);
}
static void stopTimer(Timer* timer) {
gettimeofday(&(timer->endTime), NULL);
}
static double getElapsedTime(Timer timer) {
return ((double) ((timer.endTime.tv_sec - timer.startTime.tv_sec)
+ (timer.endTime.tv_usec - timer.startTime.tv_usec)/1.0e6));
}
#endif
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