Function test_f64_snapping

generative/snap.rs:393–418

()

    #[test]
    fn test_f64_snapping() {
        let values = [
            // value, tolerance, expected
            (0.0, 1.0, 0.0),
            (0.4, 1.0, 0.0),
            (0.5, 1.0, 1.0),
            (1.0, 1.0, 1.0),
            (-0.0, 1.0, 0.0),
            (-0.4, 1.0, 0.0),
            (-0.5, 1.0, -1.0),
            (-1.5, 1.0, -2.0), // round away from 0.0
            (-1.0, 1.0, -1.0),
            (0.0, 0.5, 0.0),
            (0.24, 0.5, 0.0),
            (0.25, 0.5, 0.5),
            (-0.25, 0.5, -0.5), // round away from 0.0
            (1.4, 0.5, 1.5),
            (1.2, 0.5, 1.0),
            (-1.4, 0.5, -1.5),
            (-1.2, 0.5, -1.0),
        ];
        for (value, tolerance, expected) in values {
            let actual = snap_f64_grid(value, tolerance);
            assert_approx_eq!(f64, actual, expected);
        }
    }

    #[test]
    fn test_coord_grid_snapping() {