rust-clippy/tests/ui/floating_point_powi.stderr

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error: multiply and add expressions can be calculated more efficiently and accurately
--> $DIR/floating_point_powi.rs:10:13
|
LL | let _ = x.powi(2) + y;
| ^^^^^^^^^^^^^ help: consider using: `x.mul_add(x, y)`
|
= note: `-D clippy::suboptimal-flops` implied by `-D warnings`
error: multiply and add expressions can be calculated more efficiently and accurately
--> $DIR/floating_point_powi.rs:11:13
|
LL | let _ = x.powi(2) - y;
| ^^^^^^^^^^^^^ help: consider using: `x.mul_add(x, -y)`
error: multiply and add expressions can be calculated more efficiently and accurately
--> $DIR/floating_point_powi.rs:12:13
|
LL | let _ = x + y.powi(2);
| ^^^^^^^^^^^^^ help: consider using: `y.mul_add(y, x)`
error: multiply and add expressions can be calculated more efficiently and accurately
--> $DIR/floating_point_powi.rs:13:13
|
LL | let _ = x - y.powi(2);
| ^^^^^^^^^^^^^ help: consider using: `y.mul_add(-y, x)`
error: multiply and add expressions can be calculated more efficiently and accurately
--> $DIR/floating_point_powi.rs:14:13
|
LL | let _ = x + (y as f32).powi(2);
| ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(y as f32).mul_add(y as f32, x)`
error: multiply and add expressions can be calculated more efficiently and accurately
--> $DIR/floating_point_powi.rs:15:13
|
LL | let _ = (x.powi(2) + y).sqrt();
| ^^^^^^^^^^^^^^^ help: consider using: `x.mul_add(x, y)`
error: multiply and add expressions can be calculated more efficiently and accurately
--> $DIR/floating_point_powi.rs:16:13
|
LL | let _ = (x + y.powi(2)).sqrt();
| ^^^^^^^^^^^^^^^ help: consider using: `y.mul_add(y, x)`
error: aborting due to 7 previous errors
2020-04-03 16:58:52 +00:00