# _mm256_setzero_pd

Sets float64 YMM registers to zero. No corresponding Intel® AVX instruction.

## Syntax

extern __m256d _mm256_setzero_pd(void);

## Arguments

None

## Description

Sets all the elements of a float64 vector to zero and returns the float64 vector. This is a utility intrinsic that helps during programming.

## Returns

A float64 vector with all elements set to zero.

Parent topic: Intrinsics for Miscellaneous Operations