1 files changed, 14 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/floating_point_hypot.rs b/src/tools/clippy/tests/ui/floating_point_hypot.rs
new file mode 100644
index 000000000..586fd170e
--- /dev/null
+++ b/src/tools/clippy/tests/ui/floating_point_hypot.rs
@@ -0,0 +1,14 @@
+// run-rustfix
+#![warn(clippy::imprecise_flops)]
+
+fn main() {
+    let x = 3f32;
+    let y = 4f32;
+    let _ = (x * x + y * y).sqrt();
+    let _ = ((x + 1f32) * (x + 1f32) + y * y).sqrt();
+    let _ = (x.powi(2) + y.powi(2)).sqrt();
+    // Cases where the lint shouldn't be applied
+    // TODO: linting this adds some complexity, but could be done
+    let _ = x.mul_add(x, y * y).sqrt();
+    let _ = (x * 4f32 + y * y).sqrt();
+}