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https://github.com/rust-lang/rust-clippy
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be540e6596
powi(2) produces exactly the same native code as x * x
20 lines
467 B
Rust
20 lines
467 B
Rust
// run-rustfix
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#![warn(clippy::suboptimal_flops)]
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fn main() {
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let one = 1;
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let x = 3f32;
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let y = 4f32;
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let _ = x.powi(2) + y;
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let _ = x + y.powi(2);
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let _ = (x.powi(2) + y).sqrt();
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let _ = (x + y.powi(2)).sqrt();
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// Cases where the lint shouldn't be applied
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let _ = x.powi(2);
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let _ = x.powi(1 + 1);
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let _ = x.powi(3);
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let _ = x.powi(4) + y;
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let _ = x.powi(one + 1);
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let _ = (x.powi(2) + y.powi(2)).sqrt();
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}
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