| #![feature(const_fn_floating_point_arithmetic)] |
| #![warn(clippy::suboptimal_flops)] |
| |
| /// Allow suboptimal_ops in constant context |
| pub const fn in_const_context() { |
| let a: f64 = 1234.567; |
| let b: f64 = 45.67834; |
| let c: f64 = 0.0004; |
| |
| let _ = a * b + c; |
| let _ = c + a * b; |
| } |
| |
| fn main() { |
| let a: f64 = 1234.567; |
| let b: f64 = 45.67834; |
| let c: f64 = 0.0004; |
| let d: f64 = 0.0001; |
| |
| let _ = a * b + c; |
| let _ = a * b - c; |
| let _ = c + a * b; |
| let _ = c - a * b; |
| let _ = a + 2.0 * 4.0; |
| let _ = a + 2. * 4.; |
| |
| let _ = (a * b) + c; |
| let _ = c + (a * b); |
| let _ = a * b * c + d; |
| |
| let _ = a.mul_add(b, c) * a.mul_add(b, c) + a.mul_add(b, c) + c; |
| let _ = 1234.567_f64 * 45.67834_f64 + 0.0004_f64; |
| |
| let _ = (a * a + b).sqrt(); |
| |
| let u = 1usize; |
| let _ = a - (b * u as f64); |
| |
| // Cases where the lint shouldn't be applied |
| let _ = (a * a + b * b).sqrt(); |
| } |
| |
| fn _issue11831() { |
| struct NotAFloat; |
| |
| impl std::ops::Add<f64> for NotAFloat { |
| type Output = Self; |
| |
| fn add(self, _: f64) -> Self { |
| NotAFloat |
| } |
| } |
| |
| let a = NotAFloat; |
| let b = 1.0_f64; |
| let c = 1.0; |
| |
| let _ = a + b * c; |
| } |