mirror of
https://github.com/rust-lang/rust-clippy
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89 lines
3.8 KiB
Text
89 lines
3.8 KiB
Text
error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:9:13
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LL | let _ = x.powi(2) + y;
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| ^^^^^^^^^^^^^ help: consider using: `x.mul_add(x, y)`
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= note: `-D clippy::suboptimal-flops` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::suboptimal_flops)]`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:10:13
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LL | let _ = x.powi(2) - y;
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| ^^^^^^^^^^^^^ help: consider using: `x.mul_add(x, -y)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:11:13
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LL | let _ = x + y.powi(2);
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| ^^^^^^^^^^^^^ help: consider using: `y.mul_add(y, x)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:12:13
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LL | let _ = x - y.powi(2);
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| ^^^^^^^^^^^^^ help: consider using: `y.mul_add(-y, x)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:13:13
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LL | let _ = x + (y as f32).powi(2);
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| ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(y as f32).mul_add(y as f32, x)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:14:13
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LL | let _ = (x.powi(2) + y).sqrt();
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| ^^^^^^^^^^^^^^^ help: consider using: `x.mul_add(x, y)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:15:13
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LL | let _ = (x + y.powi(2)).sqrt();
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| ^^^^^^^^^^^^^^^ help: consider using: `y.mul_add(y, x)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:17:13
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LL | let _ = (x - 1.0).powi(2) - y;
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| ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(x - 1.0).mul_add(x - 1.0, -y)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:18:13
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LL | let _ = (x - 1.0).powi(2) - y + 3.0;
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| ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(x - 1.0).mul_add(x - 1.0, -y)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:19:13
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LL | let _ = (x - 1.0).powi(2) - (y + 3.0);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(x - 1.0).mul_add(x - 1.0, -(y + 3.0))`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:20:13
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LL | let _ = x - (y + 1.0).powi(2);
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| ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(y + 1.0).mul_add(-(y + 1.0), x)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:21:13
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LL | let _ = x - (3.0 * y).powi(2);
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| ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(3.0 * y).mul_add(-(3.0 * y), x)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:22:13
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LL | let _ = x - (y + 1.0 + x).powi(2);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(y + 1.0 + x).mul_add(-(y + 1.0 + x), x)`
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error: multiply and add expressions can be calculated more efficiently and accurately
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--> tests/ui/floating_point_powi.rs:23:13
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LL | let _ = x - (y + 1.0 + 2.0).powi(2);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(y + 1.0 + 2.0).mul_add(-(y + 1.0 + 2.0), x)`
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error: aborting due to 14 previous errors
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