INV_GAIN_CIRCLE    21 modules/cordic_math.c fixed INV_GAIN_CIRCLE[] = {0x136e9, 0x136e8};   // {0.60725, 0.60724}
INV_GAIN_CIRCLE   131 modules/cordic_math.c     fixed x = INV_GAIN_CIRCLE[t], y = 0, z = phi;
INV_GAIN_CIRCLE   213 modules/cordic_math.c     *r = mulScaled(hyp, INV_GAIN_CIRCLE[t]);