Simpler gettimeofday

wtime.h

#ifndef WTIME_H
#define WTIME_H

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

// Seconds, milliseconds, or microseconds since the Epoch

static inline double wtime_sec(void)
{
	struct timeval tv;
	gettimeofday(&tv, NULL);
	return tv.tv_sec + tv.tv_usec / 1e6;
}

static inline double wtime_msec(void)
{
	struct timeval tv;
	gettimeofday(&tv, NULL);
	return tv.tv_sec * 1e3 + tv.tv_usec / 1e3;
}

static inline double wtime_usec(void)
{
	struct timeval tv;
	gettimeofday(&tv, NULL);
	return tv.tv_sec * 1e6 + tv.tv_usec;
}

#endif // WTIME_H