POW_FIX           247 libavcodec/mpegaudiodec.c     POW_FIX(1.0),
POW_FIX           248 libavcodec/mpegaudiodec.c     POW_FIX(1.25992104989487316476),
POW_FIX           249 libavcodec/mpegaudiodec.c     POW_FIX(1.58740105196819947474),
POW_FIX           257 libavcodec/mpegaudiodec.c     a = POW_FIX(1.0);
POW_FIX           259 libavcodec/mpegaudiodec.c         a = POW_MULL(a, POW_FIX(4.0 / 3.0) - i * POW_FIX(1.0)) / (i + 1);