Function core::arch::x86_64::_mm_getexp_pd

pub unsafe fn _mm_getexp_pd(a: __m128d) -> __m128d

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

Available on (x86 or x86-64) and target feature avx512f,avx512vl and x86-64 only.

Expand description

将 a 中每个包装的双精度 (64-bit) 浮点元素的指数转换为代表整数指数的双精度 (64-bit) 浮点数，并将结果存储在 dst 中。本质上，此内部函数为每个元素计算 floor(log2(x))。