Function vcvth_n_u64_f16 

pub fn vcvth_n_u64_f16(a: f16, const N: i32) -> u64

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

Available on (AArch64 or target_arch=arm64ec) and non-target_arch=arm64ec and target feature neon and target feature fp16 only.

Floating-point convert to fixed-point, rounding toward zero Arm’s documentation