fixed-point: first check-point on quant_energy_mono() conversion
fixed-point: first check-point on quant_energy_mono() conversion

mumble-voip/celt-0.7.0,dezelin/celt,oneman/opus-oneman,mumble-voip/celt-0.11.0,dezelin/celt,Distrotech/celt,Distrotech/celt,oneman/opus-oneman,mumble-voip/celt-0.7.0,oneman/opus-oneman,mumble-voip/celt-0.11.0,mumble-voip/celt-0.11.0,mumble-voip/celt-0.7.0,Distrotech/celt,dezelin/celt