1 #![warn(clippy::float_equality_without_abs)] 2 is_roughly_equal(a: f32, b: f32) -> bool3pub fn is_roughly_equal(a: f32, b: f32) -> bool { 4 (a - b) < f32::EPSILON 5 } 6 main()7pub 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