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+///\file
+
+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+
+Copyright(c) 2014 jwellbelove
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files(the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+******************************************************************************/
+
+#ifndef __etl_largest__
+#define __etl_largest__
+
+///\defgroup largest largest
+///\ingroup utilities
+
+namespace etl 
+{
+	//***************************************************************************
+	/// Template to determine the largest type and size.
+  /// Supports up to 16 types.
+	/// Defines 'value_type' which is the type of the largest parameter.
+	/// Defines 'size' which is the size of the largest parameter.
+  ///\ingroup numeric
+	//***************************************************************************
+	template <typename T1,         typename T2  = void, typename T3  = void, typename T4  = void,
+			      typename T5  = void, typename T6  = void, typename T7  = void, typename T8  = void,
+			      typename T9  = void, typename T10 = void, typename T11 = void, typename T12 = void,
+			      typename T13 = void, typename T14 = void, typename T15 = void, typename T16 = void>
+	struct largest
+	{
+	private:
+
+    // Declaration.
+		template <const bool Boolean, typename TrueType, typename FalseType>
+		struct choose_type;
+
+    // Specialisation for 'true'.
+    // Defines 'type' as 'TrueType'.
+    template <typename TrueType, typename FalseType>
+    struct choose_type<true, TrueType, FalseType>
+    {
+      typedef TrueType type;
+    };
+
+		// Specialisation for 'false'. 
+    // Defines 'type' as 'FalseType'.
+    template <typename TrueType, typename FalseType>
+    struct choose_type<false, TrueType, FalseType>
+		{
+      typedef FalseType type;
+		};
+
+	public:
+
+		// Define 'largest_other' as 'largest' with all but the first parameter. 
+		typedef typename largest<T2,  T3,  T4,  T5,  T6,  T7,  T8,  T9,  T10, T11, T12, T13, T14, T15, T16>::type largest_other;
+
+		// Set 'type' to be the largest of the first parameter and any of the others.
+    // This is recursive.
+    typedef typename choose_type<(sizeof(T1) > sizeof(largest_other)), // Boolean
+									               T1,                                   // TrueType
+									               largest_other>                        // FalseType
+									               ::type type;                          // The largest type of the two.
+
+		// The size of the largest type.
+		enum
+		{
+			size = sizeof(type)
+		};
+	};
+
+  //***************************************************************************
+	// Specialisation for one template parameter.
+	//***************************************************************************
+	template <typename T1>
+	struct largest<T1,   void, void, void,
+					       void, void, void, void, 
+					       void, void, void, void, 
+					       void, void, void, void>
+	{
+		typedef T1 type;
+
+		enum
+		{
+			size = sizeof(type)
+		};
+	};
+}
+
+#endif