Function core::arch::aarch64::vcvtxd_f32_f64

pub unsafe fn vcvtxd_f32_f64(a: f64) -> f32

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

This is supported on AArch64 and target feature neon only.

浮点数转换为低精度 narrow，四舍五入为奇数