(mr_energy >> 15) - 25
);
#else
- mr_energy = gain_corr_factor * exp(M_LN10 / (20 << 23) * mr_energy) /
+ mr_energy = gain_corr_factor * ff_exp10((double)mr_energy / (20 << 23)) /
sqrt(adsp->scalarproduct_int16(fc_v, fc_v, subframe_size));
return mr_energy >> 12;
#endif