check_diff        519 libavcodec/tests/fft.c             err = check_diff(&tab_ref->re, tab2, fft_size, scale);
check_diff        523 libavcodec/tests/fft.c             err = check_diff(&tab_ref->re, tab2, fft_size / 2, scale);
check_diff        533 libavcodec/tests/fft.c         err = check_diff(&tab_ref->re, &tab->re, fft_size * 2, 1.0);
check_diff        557 libavcodec/tests/fft.c             err = check_diff(&tab_ref->re, &tab->re, fft_size * 2, 0.5);
check_diff        566 libavcodec/tests/fft.c             err = check_diff(&tab_ref->re, tab2, fft_size, 1.0);
check_diff        579 libavcodec/tests/fft.c         err = check_diff(&tab_ref->re, &tab->re, fft_size, 1.0);