Function core::arch::x86::_mm_rsqrt_ss1.27.0[−][src]

pub unsafe fn _mm_rsqrt_ss(a: __m128) -> __m128

This is supported on x86 and target feature sse only.

Expand description

返回 a 中第一个单精度 (32-bit) 浮点元素的近似倒数平方根，其他元素不变。