acos

acos_(
    x: &Tensor<T>, 
    out: &mut Tensor<C> | Tensor<C>
) -> Result<Tensor<C>, TensorError>

use hpt::{common::TensorInfo, error::TensorError, ops::FloatUnaryOps, Tensor};

fn main() -> Result<(), TensorError> {
    let a = Tensor::<f32>::new([-10.0]);
    let b = a.acos_(&mut a.clone())?;
    println!("{}", b);
    assert_eq!(a.ptr().ptr as u64, b.ptr().ptr as u64);
    Ok(())
}