[FFmpeg-cvslog] avutil/softfloat: Basic documentation for av_sincos_sf()

[Michael Niedermayer]

ffmpeg | branch: release/3.4 | Michael Niedermayer <michael at niedermayer.cc> | Tue Jun 20 01:26:33 2023 +0200| [d4fcb508d15779460caba55bd19aaf0a5a775279] | committer: Michael Niedermayer

avutil/softfloat: Basic documentation for av_sincos_sf()

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 4aa1a42a91438b7107d2d77db1fc5ca95c27740c)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d4fcb508d15779460caba55bd19aaf0a5a775279
---

 libavutil/softfloat.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h
index 1520027ddc..399ca6d682 100644
--- a/libavutil/softfloat.h
+++ b/libavutil/softfloat.h
@@ -236,6 +236,10 @@ static av_always_inline SoftFloat av_sqrt_sf(SoftFloat val)
 
 /**
  * Rounding-to-nearest used.
+ *
+ * @param a angle in units of (1ULL<<30)/M_PI radians
+ * @param s pointer to where   sine in units of (1<<30) is returned
+ * @param c pointer to where cosine in units of (1<<30) is returned
  */
 static av_unused void av_sincos_sf(int a, int *s, int *c)
 {