Update upstream source from tag 'upstream/1.52.1+dfsg1'

[rustc.git] / src / tools / clippy / tests / ui / floating_point_rad.rs

diff --git a/src/tools/clippy/tests/ui/floating_point_rad.rs b/src/tools/clippy/tests/ui/floating_point_rad.rs
new file mode 100644 (file)
index 0000000..062e7c3
--- /dev/null
+++ b/src/tools/clippy/tests/ui/floating_point_rad.rs
@@ -0,0 +1,13 @@
+// run-rustfix
+#![warn(clippy::suboptimal_flops)]
+
+fn main() {
+    let x = 3f32;
+    let _ = x * 180f32 / std::f32::consts::PI;
+    let _ = x * std::f32::consts::PI / 180f32;
+    // Cases where the lint shouldn't be applied
+    let _ = x * 90f32 / std::f32::consts::PI;
+    let _ = x * std::f32::consts::PI / 90f32;
+    let _ = x * 180f32 / std::f32::consts::E;
+    let _ = x * std::f32::consts::E / 180f32;
+}