Lines Matching refs:rec_inv_sqrt
78 u32 invsqrt = ((u32)vars->rec_inv_sqrt) << REC_INV_SQRT_SHIFT;
85 vars->rec_inv_sqrt = val >> REC_INV_SQRT_SHIFT;
90 * We maintain in rec_inv_sqrt the reciprocal value of sqrt(count) to avoid
95 u32 rec_inv_sqrt)
97 return t + reciprocal_scale(interval, rec_inv_sqrt << REC_INV_SQRT_SHIFT);
187 vars->rec_inv_sqrt);
206 vars->rec_inv_sqrt);
235 /* we dont care if rec_inv_sqrt approximation
242 vars->rec_inv_sqrt = ~0U >> REC_INV_SQRT_SHIFT;
246 vars->rec_inv_sqrt);