Function core::arch::x86::_mm_ceil_sd1.27.0[−][src]

pub unsafe fn _mm_ceil_sd(a: __m128d, b: __m128d) -> __m128d

This is supported on x86 and target feature sse4.1 only.

Expand description

将 b 中的下部双精度 (64-bit) 浮点元素四舍五入为整数，将结果作为双精度浮点元素存储在本征结果的下部元素中，并将上部元素从 a 复制到上部内在结果的元素。