56 lines
1.3 KiB
Rust
56 lines
1.3 KiB
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![warn(clippy::float_cmp_const)]
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#![allow(clippy::float_cmp)]
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#![allow(unused, clippy::no_effect, clippy::unnecessary_operation)]
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const ONE: f32 = 1.0;
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const TWO: f32 = 2.0;
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fn eq_one(x: f32) -> bool {
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if x.is_nan() { false } else { x == ONE } // no error, inside "eq" fn
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}
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fn main() {
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// has errors
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1f32 == ONE;
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TWO == ONE;
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TWO != ONE;
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ONE + ONE == TWO;
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1 as f32 == ONE;
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let v = 0.9;
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v == ONE;
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v != ONE;
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// no errors, lower than or greater than comparisons
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v < ONE;
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v > ONE;
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v <= ONE;
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v >= ONE;
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// no errors, zero and infinity values
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ONE != 0f32;
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TWO == 0f32;
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ONE != ::std::f32::INFINITY;
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ONE == ::std::f32::NEG_INFINITY;
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// no errors, but will warn clippy::float_cmp if '#![allow(float_cmp)]' above is removed
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let w = 1.1;
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v == w;
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v != w;
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v == 1.0;
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v != 1.0;
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}
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