ONE_BITS           44 libavutil/softfloat.h         int s=ONE_BITS + 1 - av_log2(a.mant ^ (a.mant<<1));
ONE_BITS           81 libavutil/softfloat.h     a.mant = (a.mant * (int64_t)b.mant) >> ONE_BITS;
ONE_BITS           91 libavutil/softfloat.h     a.mant = ((int64_t)a.mant<<(ONE_BITS+1)) / b.mant;
ONE_BITS          114 libavutil/softfloat.h     return av_normalize_sf((SoftFloat){ONE_BITS-frac_bits, v});
ONE_BITS          121 libavutil/softfloat.h     v.exp += frac_bits - ONE_BITS;