t_sqrt            128 libavcodec/ra144.c     return 0x20000000 / (t_sqrt(sum) >> 8);
t_sqrt            173 libavcodec/ra144.c     return t_sqrt(res) >> b;
t_sqrt            324 libavcodec/ra144.c                     t_sqrt(energy*ractx->old_energy) >> 12);