Function core::arch::arm::vdup_laneq_f32

pub unsafe fn vdup_laneq_f32<const N: i32>(a: float32x4_t) -> float32x2_t

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

This is supported on ARM and target feature neon only.

将所有 vector 通道设置为相同的值