1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/rust/euclid/src/approxord.rs b/third_party/rust/euclid/src/approxord.rs
new file mode 100644
index 0000000000..db6207da39
--- /dev/null
+++ b/third_party/rust/euclid/src/approxord.rs
@@ -0,0 +1,44 @@
+// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Utilities for testing approximate ordering - especially true for
+//! floating point types, where NaN's cannot be ordered.
+
+pub fn min<T: PartialOrd>(x: T, y: T) -> T {
+    if x <= y {
+        x
+    } else {
+        y
+    }
+}
+
+pub fn max<T: PartialOrd>(x: T, y: T) -> T {
+    if x >= y {
+        x
+    } else {
+        y
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_min() {
+        assert!(min(0u32, 1u32) == 0u32);
+        assert!(min(-1.0f32, 0.0f32) == -1.0f32);
+    }
+
+    #[test]
+    fn test_max() {
+        assert!(max(0u32, 1u32) == 1u32);
+        assert!(max(-1.0f32, 0.0f32) == 0.0f32);
+    }
+}