Geometry-rs

Rewrite parts of tidwall/geometry to Rust for ringsaturn/tzf-rs.

[dependencies]
geometry-rs = "0.1.2"

use std::vec;

use geometry_rs;

fn main() {
    let poly = geometry_rs::Polygon::new(
        vec![
            geometry_rs::Point {
                x: 90.48826291293898,
                y: 45.951129815858565,
            },
            geometry_rs::Point {
                x: 90.48826291293898,
                y: 27.99437617512571,
            },
            geometry_rs::Point {
                x: 122.83201291294,
                y: 27.99437617512571,
            },
            geometry_rs::Point {
                x: 122.83201291294,
                y: 45.951129815858565,
            },
            geometry_rs::Point {
                x: 90.48826291293898,
                y: 45.951129815858565,
            },
        ],
        vec![],
    );

    let p_out = geometry_rs::Point {
        x: 130.74216916294148,
        y: 37.649011392900306,
    };

    print!("{:?}\n", poly.contains_point(p_out));

    let p_in = geometry_rs::Point {
        x: 99.9804504129416,
        y: 39.70716466970461,
    };
    print!("{:?}\n", poly.contains_point(p_in));
}