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

pub unsafe fn _mm_getexp_ps(a: __m128) -> __m128
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on x86 and target feature avx512f,avx512vl only.
Expand description

将 a 中每个包装的单精度 (32-bit) 浮点元素的指数转换为表示整数指数的单精度 (32-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))。

Intel’s documentation