_mm_rsqrt_ps
Microsoft Specific
Computes the approximations of the reciprocals of the square roots of the four single-precision, floating-point values of a.
__mm128 _mm_rsqrt_ps(__m128 a );
RSQRTPS
Return Value
r0 := recip(sqrt(a0))
r1 := recip(sqrt(a1))
r2 := recip(sqrt(a2))
r3 := recip(sqrt(a3))
Requirements
Header: mmintrin.h
END Microsoft Specific