rust/tests/compile-fail/float_cmp.rs

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#![feature(plugin)]
#![plugin(clippy)]
use std::ops::Add;
const ZERO : f32 = 0.0;
const ONE : f32 = ZERO + 1.0;
fn twice<T>(x : T) -> T where T : Add<T, Output = T>, T : Copy {
x + x
}
#[deny(float_cmp)]
#[allow(unused)]
fn main() {
ZERO == 0f32; //~ERROR
ZERO == 0.0; //~ERROR
ZERO + ZERO != 1.0; //~ERROR
ONE != 0.0; //~ERROR
twice(ONE) != ONE; //~ERROR
ONE as f64 != 0.0; //~ERROR
let x : f64 = 1.0;
x == 1.0; //~ERROR
x != 0f64; //~ERROR
twice(x) != twice(ONE as f64); //~ERROR
x < 0.0;
x > 0.0;
x <= 0.0;
x >= 0.0;
}