1 #![warn(clippy::float_equality_without_abs)]
2 
is_roughly_equal(a: f32, b: f32) -> bool3 pub fn is_roughly_equal(a: f32, b: f32) -> bool {
4     (a - b) < f32::EPSILON
5 }
6 
main()7 pub fn main() {
8     // all errors
9     is_roughly_equal(1.0, 2.0);
10     let a = 0.05;
11     let b = 0.0500001;
12 
13     let _ = (a - b) < f32::EPSILON;
14     let _ = a - b < f32::EPSILON;
15     let _ = a - b.abs() < f32::EPSILON;
16     let _ = (a as f64 - b as f64) < f64::EPSILON;
17     let _ = 1.0 - 2.0 < f32::EPSILON;
18 
19     let _ = f32::EPSILON > (a - b);
20     let _ = f32::EPSILON > a - b;
21     let _ = f32::EPSILON > a - b.abs();
22     let _ = f64::EPSILON > (a as f64 - b as f64);
23     let _ = f32::EPSILON > 1.0 - 2.0;
24 
25     // those are correct
26     let _ = (a - b).abs() < f32::EPSILON;
27     let _ = (a as f64 - b as f64).abs() < f64::EPSILON;
28 
29     let _ = f32::EPSILON > (a - b).abs();
30     let _ = f64::EPSILON > (a as f64 - b as f64).abs();
31 }
32