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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-04 20:45:09 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-18 16:05:23 +0200 |
| commit | 1f4da7c38460e42e43a22d461b74d6f7dfcb4d8c (patch) | |
| tree | 3f1fe86069be726d30a9d94040f3081e046a9739 | |
| parent | 278b8d18ad297b0841a22f9f6aca5efe0c33eb6f (diff) | |
| download | ffmpeg-1f4da7c38460e42e43a22d461b74d6f7dfcb4d8c.tar.gz | |
avutil/softfloat: Fix sign error in and improve documentation of av_int2sf()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6019d721d4c10bf73018d68511d9d0a914c0a389)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavutil/softfloat.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h index daf91a5557..c50aaf5285 100644 --- a/libavutil/softfloat.h +++ b/libavutil/softfloat.h @@ -177,8 +177,10 @@ static inline av_const SoftFloat av_sub_sf(SoftFloat a, SoftFloat b){ //FIXME log, exp, pow /** - * Converts a mantisse and exponent to a SoftFloat - * @returns a SoftFloat with value v * 2^frac_bits + * Converts a mantisse and exponent to a SoftFloat. + * This converts a fixed point value v with frac_bits fractional bits to a + * SoftFloat. + * @returns a SoftFloat with value v * 2^-frac_bits */ static inline av_const SoftFloat av_int2sf(int v, int frac_bits){ int exp_offset = 0; |