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#ifndef _TEST_H
#define _TEST_H

#ifdef __cplusplus
extern "C" {
#endif

// Use sys/time.h functions for time
#if defined (__unix__) || (__APPLE__) || (__MINGW32__)
#include <sys/time.h>
#endif

struct perf{
	struct timeval tv;
};


#if defined (__unix__) || (__APPLE__) || (__MINGW32__)
inline int perf_start(struct perf *p)
{
	return gettimeofday(&(p->tv), 0);
}
inline int perf_stop(struct perf *p)
{
	return gettimeofday(&(p->tv), 0);
}

inline void perf_print(struct perf stop, struct perf start, long long dsize)
{
	long long secs = stop.tv.tv_sec - start.tv.tv_sec;
	long long usecs = secs * 1000000 + stop.tv.tv_usec - start.tv.tv_usec;

	printf("runtime = %10lld usecs", usecs);
	if (dsize != 0) {
#if 1 // not bug in printf for 32-bit
		printf(", bandwidth %lld MB in %.4f sec = %.2f MB/s\n", dsize/(1024*1024),
			((double) usecs)/1000000, ((double) dsize) / (double)usecs);
#else
		printf(", bandwidth %lld MB ", dsize/(1024*1024));
		printf("in %.4f sec ",(double)usecs/1000000);
		printf("= %.2f MB/s\n", (double)dsize/usecs);
#endif
	}
	else
		printf("\n");
}
#endif

inline uint64_t get_filesize(FILE *fp)
{
	uint64_t file_size;
	fpos_t pos, pos_curr;

	fgetpos(fp, &pos_curr);  /* Save current position */
	fseeko(fp, 0, SEEK_END);
	fgetpos(fp, &pos);
	file_size = *(uint64_t *)&pos;
	fsetpos(fp, &pos_curr);  /* Restore position */

	return file_size;
}

#ifdef __cplusplus
}
#endif

#endif // _TEST_H