Function core::arch::x86_64::_mm_rcp14_pd[][src]

pub unsafe fn _mm_rcp14_pd(a: __m128d) -> __m128d
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on x86-64 and target feature avx512f,avx512vl only.
Expand description

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

Intel’s documentation