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avutil/softfloat: document av_int2sf()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2015-04-25 14:51:02 +02:00
parent 663321ed50
commit a3110beebd
1 changed files with 4 additions and 0 deletions
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4
libavutil/softfloat.h
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@ -116,6 +116,10 @@ static inline av_const SoftFloat av_sub_sf(SoftFloat a, SoftFloat b){
//FIXME sqrt, log, exp, pow, sin, cos
/**
* Converts a mantisse and exponent to a SoftFloat
* @returns a SoftFloat with value v * 2^frac_bits
*/
static inline av_const SoftFloat av_int2sf(int v, int frac_bits){
return av_normalize_sf((SoftFloat){v, ONE_BITS-frac_bits});
}