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fft-test: exit with non-zero status if test failed

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Originally committed as revision 24693 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-08-04 06:56:55 +00:00
parent 8d370d88e5
commit a79e921ee6
1 changed files with 12 additions and 8 deletions
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20
libavcodec/fft-test.c
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@ -176,22 +176,25 @@ static int64_t gettime(void)
return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
}
static void check_diff(float *tab1, float *tab2, int n, double scale)
static int check_diff(float *tab1, float *tab2, int n, double scale)
{
int i;
double max= 0;
double error= 0;
int err = 0;
for (i = 0; i < n; i++) {
double e= fabsf(tab1[i] - (tab2[i] / scale));
if (e >= 1e-3) {
av_log(NULL, AV_LOG_ERROR, "ERROR %d: %f %f\n",
i, tab1[i], tab2[i]);
err = 1;
}
error+= e*e;
if(e>max) max= e;
}
av_log(NULL, AV_LOG_INFO, "max:%f e:%g\n", max, sqrt(error)/n);
return err;
}
@ -223,6 +226,7 @@ int main(int argc, char **argv)
FFTSample *tab2;
int it, i, c;
int do_speed = 0;
int err = 1;
enum tf_transform transform = TRANSFORM_FFT;
int do_inverse = 0;
FFTContext s1, *s = &s1;
@ -324,13 +328,13 @@ int main(int argc, char **argv)
if (do_inverse) {
imdct_ref((float *)tab_ref, (float *)tab1, fft_nbits);
ff_imdct_calc(m, tab2, (float *)tab1);
check_diff((float *)tab_ref, tab2, fft_size, scale);
err = check_diff((float *)tab_ref, tab2, fft_size, scale);
} else {
mdct_ref((float *)tab_ref, (float *)tab1, fft_nbits);
ff_mdct_calc(m, tab2, (float *)tab1);
check_diff((float *)tab_ref, tab2, fft_size / 2, scale);
err = check_diff((float *)tab_ref, tab2, fft_size / 2, scale);
}
break;
case TRANSFORM_FFT:
@ -339,7 +343,7 @@ int main(int argc, char **argv)
ff_fft_calc(s, tab);
fft_ref(tab_ref, tab1, fft_nbits);
check_diff((float *)tab_ref, (float *)tab, fft_size * 2, 1.0);
err = check_diff((float *)tab_ref, (float *)tab, fft_size * 2, 1.0);
break;
case TRANSFORM_RDFT:
if (do_inverse) {
@ -359,7 +363,7 @@ int main(int argc, char **argv)
tab[i].re = tab2[i];
tab[i].im = 0;
}
check_diff((float *)tab_ref, (float *)tab, fft_size * 2, 0.5);
err = check_diff((float *)tab_ref, (float *)tab, fft_size * 2, 0.5);
} else {
for (i = 0; i < fft_size; i++) {
tab2[i] = tab1[i].re;
@ -368,7 +372,7 @@ int main(int argc, char **argv)
ff_rdft_calc(r, tab2);
fft_ref(tab_ref, tab1, fft_nbits);
tab_ref[0].im = tab_ref[fft_size_2].re;
check_diff((float *)tab_ref, (float *)tab2, fft_size, 1.0);
err = check_diff((float *)tab_ref, (float *)tab2, fft_size, 1.0);
}
break;
case TRANSFORM_DCT:
@ -379,7 +383,7 @@ int main(int argc, char **argv)
} else {
dct_ref(tab_ref, tab1, fft_nbits);
}
check_diff((float *)tab_ref, (float *)tab, fft_size, 1.0);
err = check_diff((float *)tab_ref, (float *)tab, fft_size, 1.0);
break;
}
@ -442,5 +446,5 @@ int main(int argc, char **argv)
ff_dct_end(d);
break;
}
return 0;
return err;
}