Function core::arch::x86_64::_mm512_mask_reduce_add_pd

pub unsafe fn _mm512_mask_reduce_add_pd(k: __mmask8, a: __m512d) -> f64

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

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

Expand description

通过使用掩膜 k 加法来减少包装的双精度 (64-bit) 浮点元素。返回所有活动元素的总和 a.