Function vdup_n_f16 

pub fn vdup_n_f16(a: f16) -> float16x4_t

🔬This is a nightly-only experimental API. (stdarch_neon_f16 #136306)

Available on ARM and target feature fp16 and target feature neon and target feature v7 and (AArch64 or ARM or ARM64EC) and (AArch64 or ARM64EC or target feature v7) and non-ARM64EC only.

Create a new vector with all lanes set to a value Arm’s documentation