_mm_invsqrt_pd

Calculates inverse square root value. Vector variant of invsqrt(x) function for a 128-bit vector argument of two float64 values.

Syntax

extern __m128d __cdecl _mm_invsqrt_pd(__m128d v1);

Arguments

v1

128-bit vector with float64 values

Description

Calculates the inverse square root of vector v1 elements.

Returns

128-bit vector with the result of the operation.