44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
#![warn(clippy::float_equality_without_abs)]
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//@no-rustfix
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pub fn is_roughly_equal(a: f32, b: f32) -> bool {
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(a - b) < f32::EPSILON
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//~^ ERROR: float equality check without `.abs()`
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//~| NOTE: `-D clippy::float-equality-without-abs` implied by `-D warnings`
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}
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pub fn main() {
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// all errors
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is_roughly_equal(1.0, 2.0);
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let a = 0.05;
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let b = 0.0500001;
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let _ = (a - b) < f32::EPSILON;
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//~^ ERROR: float equality check without `.abs()`
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let _ = a - b < f32::EPSILON;
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//~^ ERROR: float equality check without `.abs()`
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let _ = a - b.abs() < f32::EPSILON;
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//~^ ERROR: float equality check without `.abs()`
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let _ = (a as f64 - b as f64) < f64::EPSILON;
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//~^ ERROR: float equality check without `.abs()`
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let _ = 1.0 - 2.0 < f32::EPSILON;
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//~^ ERROR: float equality check without `.abs()`
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let _ = f32::EPSILON > (a - b);
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//~^ ERROR: float equality check without `.abs()`
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let _ = f32::EPSILON > a - b;
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//~^ ERROR: float equality check without `.abs()`
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let _ = f32::EPSILON > a - b.abs();
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//~^ ERROR: float equality check without `.abs()`
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let _ = f64::EPSILON > (a as f64 - b as f64);
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//~^ ERROR: float equality check without `.abs()`
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let _ = f32::EPSILON > 1.0 - 2.0;
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//~^ ERROR: float equality check without `.abs()`
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// those are correct
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let _ = (a - b).abs() < f32::EPSILON;
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let _ = (a as f64 - b as f64).abs() < f64::EPSILON;
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let _ = f32::EPSILON > (a - b).abs();
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let _ = f64::EPSILON > (a as f64 - b as f64).abs();
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}
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