float 型变量与 -0.0 做异或运算结果是取反
/ sum-of-square * theta, use this trick to avoid a divisiont = _mm_mul_ps(_mm_sqrt_ps(_s), _mm_set_ps1(theta)); // float theta = 2 / sqrt(float(dim)); //r0 := r1 := r2 := r3 := w// - sum-of-square...
