Core/Bitset: Add Reverse() method

include/Nazara/Core/Bitset.hpp

@@ -66,6 +66,8 @@ namespace Nz
 			void Reset();
 			void Reset(std::size_t bit);
 
+			void Reverse();
+
 			void Set(bool val = true);
 			void Set(std::size_t bit, bool val = true);
 			void SetBlock(std::size_t i, Block block);

include/Nazara/Core/Bitset.inl

@@ -581,6 +581,30 @@ namespace Nz
 		Set(bit, false);
 	}
 
+	/*!
+	* \brief Reverse the order of bits in a bitset
+	*
+	* Reverse the order of bits in the bitset (first bit swap with the last one, etc.)
+	*/
+	template<typename Block, class Allocator>
+	void Bitset<Block, Allocator>::Reverse()
+	{
+		if (m_bitCount == 0)
+			return;
+
+		std::size_t i = 0;
+		std::size_t j = m_bitCount - 1;
+
+		while (i < j)
+		{
+			bool bit1 = Test(i);
+			bool bit2 = Test(j);
+
+			Set(i++, bit2);
+			Set(j--, bit1);
+		}
+	}
+
 	/*!
 	* \brief Sets the bitset to val
 	*