assert_eq!(180.degrees(), std::f64::consts::PI.radians());
assert_eq!(std::f64::consts::PI.radians().to_degrees(), 180.0);
assert!((Point::from(90.degrees()) - point!(0.0, 1.0)).length() < 0.001);
assert_eq!(180.degrees(), std::f64::consts::PI.radians());
assert_eq!(std::f64::consts::PI.radians().to_degrees(), 180.0);
assert!((Point::from(90.degrees()) - point!(0.0, 1.0)).length() < 0.001);