message: Apply clippy::unreadable_literal suggestions
diff: @@ -122,13 +122,13 @@ fn test_f64_arithmetic() {
  let z = z * y;
  assert!(approx_eq!(f64, z, 517877.6752108f64, ulps = 1));
  let z = z * y;
  - assert!(approx_eq!(f64, z, 46154812.047812128f64, ulps = 2));
  + assert!(approx_eq!(f64, z, 46_154_812.047_812_13_f64, ulps = 2));
  let z = z * y;
  - assert!(approx_eq!(f64, z, 4113455314.137160319f64, ulps = 3));
  + assert!(approx_eq!(f64, z, 4_113_455_314.137_160_3_f64, ulps = 3));
  let z = black_box(z) / y;
  - assert!(approx_eq!(f64, z, 46154812.047812128f64, ulps = 2));
  - assert!(!approx_eq!(f64, z, 46154812.047812128f64, ulps = 1)); // If we haven't lost any precision, the something is fishy
  + assert!(approx_eq!(f64, z, 46_154_812.047_812_13_f64, ulps = 2));
  + assert!(!approx_eq!(f64, z, 46_154_812.047_812_13_f64, ulps = 1)); // If we haven't lost any precision, the something is fishy
  let z = black_box(z) / y;
  assert!(approx_eq!(f64, z, 517877.6752108f64, ulps = 2));
  