[FFmpeg-cvslog] ffplay: use hypot()

[Ganesh Ajjanagadde]

ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanagadde at gmail.com> | Sun Nov 22 11:27:22 2015 -0500| [65440916c17d55aaee2f0bb6eb9a0678841eff1b] | committer: Ganesh Ajjanagadde

ffplay: use hypot()

Reviewed-by: Marton Balint <cus at passwd.hu>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=65440916c17d55aaee2f0bb6eb9a0678841eff1b
---

 ffplay.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ffplay.c b/ffplay.c
index 2c1817e..36da8a5 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -1115,9 +1115,9 @@ static void video_audio_display(VideoState *s)
              * directly access it but it is more than fast enough. */
             for (y = 0; y < s->height; y++) {
                 double w = 1 / sqrt(nb_freq);
-                int a = sqrt(w * sqrt(data[0][2 * y + 0] * data[0][2 * y + 0] + data[0][2 * y + 1] * data[0][2 * y + 1]));
-                int b = (nb_display_channels == 2 ) ? sqrt(w * sqrt(data[1][2 * y + 0] * data[1][2 * y + 0]
-                       + data[1][2 * y + 1] * data[1][2 * y + 1])) : a;
+                int a = sqrt(w * hypot(data[0][2 * y + 0], data[0][2 * y + 1]));
+                int b = (nb_display_channels == 2 ) ? sqrt(w * hypot(data[1][2 * y + 0], data[1][2 * y + 1]))
+                                                    : a;
                 a = FFMIN(a, 255);
                 b = FFMIN(b, 255);
                 fgcolor = SDL_MapRGB(screen->format, a, b, (a + b) / 2);