rust/tests/ui/floating_point_log.rs

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2020-02-23 04:32:13 +00:00
// run-rustfix
#![allow(dead_code, clippy::double_parens)]
2020-02-17 20:56:55 +00:00
#![warn(clippy::suboptimal_flops)]
const TWO: f32 = 2.0;
const E: f32 = std::f32::consts::E;
fn check_log_base() {
let x = 1f32;
let _ = x.log(2f32);
let _ = x.log(10f32);
let _ = x.log(std::f32::consts::E);
let _ = x.log(TWO);
let _ = x.log(E);
let x = 1f64;
let _ = x.log(2f64);
let _ = x.log(10f64);
let _ = x.log(std::f64::consts::E);
}
fn check_ln1p() {
let x = 1f32;
let _ = (1f32 + 2.).ln();
let _ = (1f32 + 2.0).ln();
let _ = (1.0 + x).ln();
let _ = (1.0 + x / 2.0).ln();
let _ = (1.0 + x.powi(2)).ln();
let _ = (1.0 + x.powi(2) / 2.0).ln();
let _ = (1.0 + (std::f32::consts::E - 1.0)).ln();
let _ = (x + 1.0).ln();
let _ = (x.powi(2) + 1.0).ln();
let _ = (x + 2.0 + 1.0).ln();
let _ = (x / 2.0 + 1.0).ln();
// Cases where the lint shouldn't be applied
let _ = (1.0 + x + 2.0).ln();
let _ = (x + 1.0 + 2.0).ln();
let _ = (x + 1.0 / 2.0).ln();
let _ = (1.0 + x - 2.0).ln();
let x = 1f64;
let _ = (1f64 + 2.).ln();
let _ = (1f64 + 2.0).ln();
let _ = (1.0 + x).ln();
let _ = (1.0 + x / 2.0).ln();
let _ = (1.0 + x.powi(2)).ln();
let _ = (x + 1.0).ln();
let _ = (x.powi(2) + 1.0).ln();
let _ = (x + 2.0 + 1.0).ln();
let _ = (x / 2.0 + 1.0).ln();
// Cases where the lint shouldn't be applied
let _ = (1.0 + x + 2.0).ln();
let _ = (x + 1.0 + 2.0).ln();
let _ = (x + 1.0 / 2.0).ln();
let _ = (1.0 + x - 2.0).ln();
}
fn main() {}