Function core::arch::x86::_mm_getexp_pd[][src]

pub unsafe fn _mm_getexp_pd(a: __m128d) -> __m128d
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on x86 and target feature avx512f,avx512vl 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,此内联函数为每个元素计算 floor(log2(x))。

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