void(* quant_bands)(int *out, const float *in, const float *scaled, int size, int is_signed, int maxval, const float Q34, const float rounding)
void(* abs_pow34)(float *out, const float *in, const int size)
void(* nmr_trellis_step)(float *dp, uint8_t *bp, const float *dpp, const float *node, const float *lamsf, int n_cur, int n_prev, int base, int step, int mdiff)