From fa7153ecfbd18705f5cfbbdc316d693b943559e4 Mon Sep 17 00:00:00 2001
From: Matthias Grob <maetugr@gmail.com>
Date: Sat, 21 Mar 2020 15:22:11 +0100
Subject: [PATCH] Matrix: omit min max nan case with same result

I observed this during review in
https://github.com/PX4/Matrix/pull/105/files#r348386226
---
 matrix/Matrix.hpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/matrix/Matrix.hpp b/matrix/Matrix.hpp
index 93077a8182..4229bbb7eb 100644
--- a/matrix/Matrix.hpp
+++ b/matrix/Matrix.hpp
@@ -620,9 +620,7 @@ Type min(const Type x, const Type y) {
         if (x_is_nan && !y_is_nan) {
             return y;
         }
-        if (!x_is_nan && y_is_nan) {
-            return x;
-        }
+        // either !x_is_nan && y_is_nan or both are NAN anyways
         return x;
     }
     return (x < y) ? x : y;
@@ -636,9 +634,7 @@ Type max(const Type x, const Type y) {
         if (x_is_nan && !y_is_nan) {
             return y;
         }
-        if (!x_is_nan && y_is_nan) {
-            return x;
-        }
+        // either !x_is_nan && y_is_nan or both are NAN anyways
         return x;
     }
     return (x > y) ? x : y;