Lines Matching refs:estimate
188 // Get initial estimate.
192 float estimate;
193 memcpy(&estimate, &i, 4);
196 const float estimate_sq = estimate*estimate;
197 estimate *= 0.703952253f*(2.38924456f-x*estimate_sq);
198 return estimate;
214 // Get initial estimate.
216 float32x2_t estimate = vrsqrte_f32(xx);
219 const float32x2_t estimate_sq = vmul_f32(estimate, estimate);
220 estimate = vmul_f32(estimate, vrsqrts_f32(xx, estimate_sq));
221 return vget_lane_f32(estimate, 0); // 1 will work fine too; the answer's in both places.