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| author | Diego Biurrun <diego@biurrun.de> | 2009-03-20 11:48:27 +0000 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2009-03-20 11:48:27 +0000 |
| commit | 294eaa26437edf29d866b0bf63d7de57515a0f95 (patch) | |
| tree | 605c390daa352a0400dae8422e65af9487f122c4 /libavutil/pca.c | |
| parent | c7594e0764d9d41ec4fb6b14deacd3cc6eafc4b3 (diff) | |
| download | ffmpeg-294eaa26437edf29d866b0bf63d7de57515a0f95.tar.gz | |
Replace random() usage in test programs by av_lfg_*().
Originally committed as revision 18070 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/pca.c')
| -rw-r--r-- | libavutil/pca.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/libavutil/pca.c b/libavutil/pca.c index f803d3b677..09c542bf93 100644 --- a/libavutil/pca.c +++ b/libavutil/pca.c @@ -164,9 +164,9 @@ int ff_pca(PCA *pca, double *eigenvector, double *eigenvalue){ #ifdef TEST #undef printf -#undef random #include <stdio.h> #include <stdlib.h> +#include "lfg.h" int main(void){ PCA *pca; @@ -174,15 +174,18 @@ int main(void){ #define LEN 8 double eigenvector[LEN*LEN]; double eigenvalue[LEN]; + AVLFG prn; + + av_lfg_init(&prn, 1); pca= ff_pca_init(LEN); for(i=0; i<9000000; i++){ double v[2*LEN+100]; double sum=0; - int pos= random()%LEN; - int v2= (random()%101) - 50; - v[0]= (random()%101) - 50; + int pos = av_lfg_get(&prn) % LEN; + int v2 = av_lfg_get(&prn) % 101 - 50; + v[0] = av_lfg_get(&prn) % 101 - 50; for(j=1; j<8; j++){ if(j<=pos) v[j]= v[0]; else v[j]= v2; @@ -191,7 +194,7 @@ int main(void){ /* for(j=0; j<LEN; j++){ v[j] -= v[pos]; }*/ -// sum += random()%10; +// sum += av_lfg_get(&prn) % 10; /* for(j=0; j<LEN; j++){ v[j] -= sum/LEN; }*/ |