# Function core::arch::x86::_mm512_undefined_pd

source ·

    pub unsafe fn _mm512_undefined_pd() -> __m512d

🔬This is a nightly-only experimental API. (`stdarch_x86_avx512` #111137)
Available on (x86 or x86-64) and target feature `avx512f` and x86 only.
Expand description

Returns vector of type `__m512d` with indeterminate elements. Despite being “undefined”, this is some valid value and not equivalent to `mem::MaybeUninit`. In practice, this is equivalent to `mem::zeroed`.

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