[SCM] libav/experimental: Add selftest code for av_cmp_q().
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 17:16:57 UTC 2013
The following commit has been merged in the experimental branch:
commit 59a3bf0e51c5bbb38adbc883c25daff11bb1b4a8
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Tue Oct 5 01:43:34 2010 +0000
Add selftest code for av_cmp_q().
Originally committed as revision 25339 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavutil/rational.c b/libavutil/rational.c
index a82bc84..701f067 100644
--- a/libavutil/rational.c
+++ b/libavutil/rational.c
@@ -133,3 +133,23 @@ int av_find_nearest_q_idx(AVRational q, const AVRational* q_list)
return nearest_q_idx;
}
+
+#ifdef TEST
+main(){
+ AVRational a,b;
+ for(a.num=-2; a.num<=2; a.num++){
+ for(a.den=-2; a.den<=2; a.den++){
+ for(b.num=-2; b.num<=2; b.num++){
+ for(b.den=-2; b.den<=2; b.den++){
+ int c= av_cmp_q(a,b);
+ double d= av_q2d(a) == av_q2d(b) ? 0 : (av_q2d(a) - av_q2d(b));
+ if(d>0) d=1;
+ else if(d<0) d=-1;
+ else if(d != d) d= INT_MIN;
+ if(c!=d) av_log(0, AV_LOG_ERROR, "%d/%d %d/%d, %d %f\n", a.num, a.den, b.num, b.den, c,d);
+ }
+ }
+ }
+ }
+}
+#endif
--
Libav/FFmpeg packaging
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