Function core::arch::x86::_mm512_rsqrt14_pd

pub unsafe fn _mm512_rsqrt14_pd(a: __m512d) -> __m512d

🔬This is a nightly-only experimental API. (stdsimd #48556)

Available on (x86 or x86-64) and target feature avx512f and x86 only.

Expand description

计算 a 中包装的双精度 (64-bit) 浮点元素的近似倒数平方根，并将结果存储在 dst 中。该近似值的最大相对误差小于 2^-14。