FP_SHIFT
#define BRTT_PMAX (1 << (FV_PSHIFT + FP_SHIFT))
fv->fv_pthresh = (FV_PSCALE(1) << FP_SHIFT) / rp->red_inv_pmax;
(FV_N << FP_SHIFT) / (fv->fv_ifseq - fve->fve_ifseq)
fve->fve_p = (1 << FP_SHIFT) + fve->fve_p;
rp->red_thmin_s = rp->red_thmin << (rp->red_wshift + FP_SHIFT);
rp->red_thmax_s = rp->red_thmax << (rp->red_wshift + FP_SHIFT);
* rp->red_inv_pmax) << FP_SHIFT;
avg = (avg >> FP_SHIFT) *
avg += (qlen(q) << FP_SHIFT) - (avg >> rp->red_wshift);
w->w_tab[0] = ((weight - 1) << FP_SHIFT) / weight;
w->w_tab[i] = (w->w_tab[i-1] * w->w_tab[i-1]) >> FP_SHIFT;
val = 1 << FP_SHIFT;
val = (val * w->w_tab[i]) >> FP_SHIFT;
prec->th_min_s = prec->th_min << (rp->rio_wshift + FP_SHIFT);
prec->th_max_s = prec->th_max << (rp->rio_wshift + FP_SHIFT);
* prec->inv_pmax) << FP_SHIFT;
avg = (avg >> FP_SHIFT) *
avg += (prec->qlen << FP_SHIFT) - (avg >> rp->rio_wshift);