# Function core::arch::x86::_mm512_cmplt_pd_mask

source ·

    pub unsafe fn _mm512_cmplt_pd_mask(a: __m512d, b: __m512d) -> __mmask8

🔬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

Compare packed double-precision (64-bit) floating-point elements in a and b for less-than, and store the results in mask vector k.

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