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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/floating_point_mul_add.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/floating_point_mul_add.rs b/src/tools/clippy/tests/ui/floating_point_mul_add.rs new file mode 100644 index 000000000..5338d4fc2 --- /dev/null +++ b/src/tools/clippy/tests/ui/floating_point_mul_add.rs @@ -0,0 +1,37 @@ +// run-rustfix +#![feature(const_fn_floating_point_arithmetic)] +#![warn(clippy::suboptimal_flops)] + +/// Allow suboptimal_ops in constant context +pub const fn in_const_context() { + let a: f64 = 1234.567; + let b: f64 = 45.67834; + let c: f64 = 0.0004; + + let _ = a * b + c; + let _ = c + a * b; +} + +fn main() { + let a: f64 = 1234.567; + let b: f64 = 45.67834; + let c: f64 = 0.0004; + let d: f64 = 0.0001; + + let _ = a * b + c; + let _ = c + a * b; + let _ = a + 2.0 * 4.0; + let _ = a + 2. * 4.; + + let _ = (a * b) + c; + let _ = c + (a * b); + let _ = a * b * c + d; + + let _ = a.mul_add(b, c) * a.mul_add(b, c) + a.mul_add(b, c) + c; + let _ = 1234.567_f64 * 45.67834_f64 + 0.0004_f64; + + let _ = (a * a + b).sqrt(); + + // Cases where the lint shouldn't be applied + let _ = (a * a + b * b).sqrt(); +} |