Lines Matching defs:rec_inv_sqrt
82 u32 invsqrt = ((u32)vars->rec_inv_sqrt) << REC_INV_SQRT_SHIFT;
89 vars->rec_inv_sqrt = val >> REC_INV_SQRT_SHIFT;
94 * We maintain in rec_inv_sqrt the reciprocal value of sqrt(count) to avoid
99 u32 rec_inv_sqrt)
101 return t + reciprocal_scale(interval, rec_inv_sqrt << REC_INV_SQRT_SHIFT);
191 vars->rec_inv_sqrt);
210 vars->rec_inv_sqrt);
239 /* we dont care if rec_inv_sqrt approximation
246 vars->rec_inv_sqrt = ~0U >> REC_INV_SQRT_SHIFT;
250 vars->rec_inv_sqrt);