#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
-extern "C" {
#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_blockd.h"
#include "vpx_mem/vpx_mem.h"
-}
typedef void (*subtract_fn_t)(int rows, int cols,
int16_t *diff_ptr, ptrdiff_t diff_stride,