From ced76721ac0f3893a55fb99dbf6aec34ac11ee1b Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Mon, 23 Apr 2018 15:40:24 +1000
Subject: [PATCH] maths: add array max/min convenience functions

---
 maths.hpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/maths.hpp b/maths.hpp
index 4562d655..e2520728 100644
--- a/maths.hpp
+++ b/maths.hpp
@@ -676,6 +676,34 @@ namespace util {
     }
 
 
+    //-------------------------------------------------------------------------
+    template <typename ValueT, size_t CountV>
+    const ValueT&
+    max (const std::array<ValueT,CountV> &vals)
+    {
+        return *std::max_element (vals.begin (), vals.end ());
+    }
+
+
+    template <typename ValueT, size_t CountV>
+    ValueT&
+    max (std::array<ValueT,CountV> &&) = delete;
+
+
+    //-------------------------------------------------------------------------
+    template <typename ValueT, size_t CountV>
+    const ValueT&
+    min (const std::array<ValueT,CountV> &vals)
+    {
+        return *std::min_element (vals.begin (), vals.end ());
+    }
+
+
+    template <typename ValueT, size_t CountV>
+    ValueT&
+    min (std::array<ValueT,CountV> &&) = delete;
+
+
     ///////////////////////////////////////////////////////////////////////////
     // Limiting functions