Function vmul_n_f16 

pub fn vmul_n_f16(a: float16x4_t, b: f16) -> float16x4_t

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

Available on target feature fp16 and target feature neon and target feature v8 and (AArch64 or ARM or ARM64EC) and (AArch64 or ARM64EC) and (AArch64 or ARM64EC or target feature v7) and non-ARM64EC only.

Vector multiply by scalar Arm’s documentation