Function pwl_array_test

ciphercore-base/src/ops/pwl/approx_pointwise.rs:321–347

()

    #[test]
    fn pwl_array_test() -> Result<()> {
        let mut xs = vec![];
        for i in 0..50 {
            let x = ((i - 25) as f32) * 0.1;
            xs.push(x);
        }
        let ys = array_helper(
            xs.clone(),
            vec![xs.len() as u64],
            PWLConfig {
                log_buckets: 4,
                flatten_left: false,
                flatten_right: false,
            },
        )?;
        for (x, y) in xs.iter().zip(ys.iter()) {
            let expected = *x * *x;
            if *x < -2.0 || *x > 2.0 {
                // Edges.
                assert!((expected - *y).abs() < 0.2);
            } else {
                // Inner stuff.
                assert!((expected - *y).abs() < 0.02);
            }
        }
        Ok(())
    }

    #[test]
    fn pwl_array2d_test() -> Result<()> {