#pragma once

#include "defines.h"

#if defined(_WIN32) || defined(_MSC_VER)

#include <windows.h>

#elif defined(__APPLE__) && defined(__MACH__)

// http://developer.apple.com/qa/qa2004/qa1398.html

#include <mach/mach_time.h>

#else // Linux

#ifndef AF_DOC

#include <sys/time.h>

#endif

#endif

namespace af {

/// Internal timer object

typedef struct timer {

#if defined(_WIN32) || defined(_MSC_VER)

LARGE_INTEGER val;

#elif defined(__APPLE__) && defined(__MACH__)

uint64_t val;

#else // Linux

struct timeval val;

#endif

AFAPI static timer start();

AFAPI static double stop();

AFAPI static double stop(timer start);

} timer;

AFAPI double timeit(void(*fn)());

}