rust-clippy/tests/ui/floating_point_powi.rs

32 lines
849 B
Rust

#![warn(clippy::suboptimal_flops)]
#![allow(clippy::unnecessary_cast)]
fn main() {
let one = 1;
let x = 3f32;
let y = 4f32;
let _ = x.powi(2) + y;
let _ = x.powi(2) - y;
let _ = x + y.powi(2);
let _ = x - y.powi(2);
let _ = x + (y as f32).powi(2);
let _ = (x.powi(2) + y).sqrt();
let _ = (x + y.powi(2)).sqrt();
let _ = (x - 1.0).powi(2) - y;
let _ = (x - 1.0).powi(2) - y + 3.0;
let _ = (x - 1.0).powi(2) - (y + 3.0);
let _ = x - (y + 1.0).powi(2);
let _ = x - (3.0 * y).powi(2);
let _ = x - (y + 1.0 + x).powi(2);
let _ = x - (y + 1.0 + 2.0).powi(2);
// Cases where the lint shouldn't be applied
let _ = x.powi(2);
let _ = x.powi(1 + 1);
let _ = x.powi(3);
let _ = x.powi(4) + y;
let _ = x.powi(one + 1);
let _ = (x.powi(2) + y.powi(2)).sqrt();
}