core::arch::x86

Function _mm256_mask_rsqrt_ph

source 
pub unsafe fn _mm256_mask_rsqrt_ph(
    src: __m256h,
    k: __mmask16,
    a: __m256h,
) -> __m256h
🔬This is a nightly-only experimental API. (stdarch_x86_avx512_f16 #127213)
Available on (x86 or x86-64) and target feature avx512fp16,avx512vl and x86 only.
Expand description

Compute the approximate reciprocal square root of packed half-precision (16-bit) floating-point elements in a, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set). The maximum relative error for this approximation is less than 1.5*2^-12.

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