Function vcalt_f16 

pub fn vcalt_f16(a: float16x4_t, b: float16x4_t) -> uint16x4_t

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

Floating-point absolute compare less than Arm’s documentation