// file: af_bug_mwe.rs
extern crate arrayfire as af;
use std::mem;
fn main() {
    af::set_device(0);
    af::info();

    // Load the test image: http://www.smufl.org/wp-content/uploads/M3.jpeg
    let file_name = String::from("../../smufl-november2-test.jpg");
    let img_grey = af::load_image(file_name, false).unwrap();
    {
        let features = af::fast(&img_grey, 20.0, 9, true, 0.05, 10).unwrap();
        let num_features = features.num_features().unwrap() as usize;
        println!("num_features: {:?}", num_features);

        let af_xpos = features.xpos().unwrap();
        println!("num_elements: {:?}", af_xpos.elements().unwrap());

        // unsafe { mem::forget(af_xpos); }

        println!("End features scope.");
    }
    println!("End program.");
}