Function core::arch::x86_64::_mm_cvtsd_f641.27.0[−][src]

pub unsafe fn _mm_cvtsd_f64(a: __m128d) -> f64

This is supported on x86-64 and target feature sse2 only.

Expand description

返回 a 的较低的双精度 (64-bit) 浮点元素。