From 2fb8a6e8a9802d22c86a84bbc33d7dc07351ef9b Mon Sep 17 00:00:00 2001
From: Toshiki Teramura <toshiki.teramura@gmail.com>
Date: Sat, 31 Aug 2019 15:14:49 +0900
Subject: [PATCH] Add NaN preserving test for clamp

---
 src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib.rs b/src/lib.rs
index 075a729..8e2ce60 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -418,6 +418,7 @@ fn clamp_test() {
     assert_eq!(-1.0, clamp_lower(-2.0, -1.0));
     assert_eq!(-1.0, clamp_upper(1.0, -1.0));
     assert_eq!(-2.0, clamp_upper(-2.0, -1.0));
+    assert!(clamp(::core::f32::NAN, -1.0, 1.0).is_nan());
     assert!(clamp_lower(::core::f32::NAN, 1.0).is_nan());
     assert!(clamp_upper(::core::f32::NAN, 1.0).is_nan());
 }