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print max and mse
author
Michael Niedermayer
<michaelni@gmx.at>
Sun, 29 Jul 2007 09:58:36 +0000
(09:58 +0000)
committer
Michael Niedermayer
<michaelni@gmx.at>
Sun, 29 Jul 2007 09:58:36 +0000
(09:58 +0000)
Originally committed as revision 9826 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/fft-test.c
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diff --git
a/libavcodec/fft-test.c
b/libavcodec/fft-test.c
index
725a814
..
fd3346b
100644
(file)
--- a/
libavcodec/fft-test.c
+++ b/
libavcodec/fft-test.c
@@
-144,13
+144,19
@@
int64_t gettime(void)
void check_diff(float *tab1, float *tab2, int n)
{
int i;
+ double max= 0;
+ double error= 0;
for(i=0;i<n;i++) {
- if (fabsf(tab1[i] - tab2[i]) >= 1e-3) {
+ double e= fabsf(tab1[i] - tab2[i]);
+ if (e >= 1e-3) {
av_log(NULL, AV_LOG_ERROR, "ERROR %d: %f %f\n",
i, tab1[i], tab2[i]);
}
+ error+= e*e;
+ if(e>max) max= e;
}
+ av_log(NULL, AV_LOG_INFO, "max:%f e:%g\n", max, sqrt(error)/n);
}