_mm256_cvtsd_f64

Extracts a double precision floating point value.

Syntax

double _mm256_cvtsd_f64(__m256d a);

Arguments

a

float64 source vector

Description

This intrinsic extracts a double precision floating point value from the first vector element of an __m256d. It does so in the most efficient manner possible in the context used.

Returns

Result of the conversion operation.