Function vcvth_n_f16_s64 

pub fn vcvth_n_f16_s64(a: i64, const N: i32) -> f16

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

Available on target feature fp16 and target feature neon and (AArch64 or ARM64EC) only.

Fixed-point convert to floating-point Arm’s documentation