ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanaga...@gmail.com> | Sat Nov 14 12:04:53 2015 -0500| [401c93ddb76fb213b858ad722c83cdb4a510dc52] | committer: Ganesh Ajjanagadde
avutil/eval: change sqrt to hypot This improves the mathematical behavior of hypotenuse computation. Reviewed-by: Michael Niedermayer <mich...@niedermayer.cc> Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=401c93ddb76fb213b858ad722c83cdb4a510dc52 --- libavutil/eval.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavutil/eval.c b/libavutil/eval.c index 7642b91..44129d6 100644 --- a/libavutil/eval.c +++ b/libavutil/eval.c @@ -299,7 +299,7 @@ static double eval_expr(Parser *p, AVExpr *e) case e_add: return e->value * (d + d2); case e_last:return e->value * d2; case e_st : return e->value * (p->var[av_clip(d, 0, VARS-1)]= d2); - case e_hypot:return e->value * (sqrt(d*d + d2*d2)); + case e_hypot:return e->value * hypot(d, d2); case e_bitand: return isnan(d) || isnan(d2) ? NAN : e->value * ((long int)d & (long int)d2); case e_bitor: return isnan(d) || isnan(d2) ? NAN : e->value * ((long int)d | (long int)d2); } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
