Added experimental files

experimental/half/half.h

@@ -0,0 +1,119 @@
+#ifndef __HALF_H__
+#define __HALF_H__
+
+namespace dev
+{
+/*	namespace detail 
+	{
+		class _halfGTX;
+
+		struct hdata
+		{
+			hdata() : data(0) {}
+			hdata(const hdata& value);
+			//hdata(float value);
+
+			hdata& operator=(_halfGTX s);
+			hdata& operator=(float s);
+			hdata& operator=(double s);
+
+			//operator float();
+			//operator const float() const;
+
+			short data;
+		};
+
+		float _toFloat32(hdata value);
+		hdata _toFloat16(float value);
+
+		union uif
+		{
+			int i;
+			float f;
+		};
+
+		class _halfGTX
+		{
+		public:
+			// Constructors
+			_halfGTX();
+			_halfGTX(float s);
+			_halfGTX(double s);
+			_halfGTX(int s);
+			_halfGTX(bool s);
+			_halfGTX(detail::hdata value) :
+				data(value)
+			{}
+
+			operator float() const;
+			operator double() const;
+			operator int() const;
+			operator detail::hdata() const;
+
+			// Operators
+			_halfGTX& operator=(_halfGTX s);
+			_halfGTX& operator=(float s);
+			_halfGTX operator+ (_halfGTX s) const;
+			_halfGTX& operator+= (_halfGTX s);
+			_halfGTX operator+ (float s) const;
+			_halfGTX& operator+= (float s);
+			_halfGTX operator- (_halfGTX s) const;
+			_halfGTX& operator-= (_halfGTX s);
+			_halfGTX operator- (float s) const;
+			_halfGTX& operator-= (float s);
+			_halfGTX operator* (_halfGTX s) const;
+			_halfGTX& operator*= (_halfGTX s);
+			_halfGTX operator* (float s) const;
+			_halfGTX& operator*= (float s);
+			_halfGTX operator/ (_halfGTX s) const;
+			_halfGTX& operator/= (_halfGTX s);
+			_halfGTX operator/ (float s) const;
+			_halfGTX& operator/= (float s);
+			_halfGTX operator- () const;
+			_halfGTX operator++ ();
+			_halfGTX operator++ (int n) const;
+			_halfGTX operator-- ();
+			_halfGTX operator-- (int n) const;
+
+			bool operator< (const _halfGTX& s) const;
+			bool operator> (const _halfGTX& s) const;
+			bool operator<=(const _halfGTX& s) const;
+			bool operator>=(const _halfGTX& s) const;
+			bool operator==(const _halfGTX& s) const;
+			bool operator!=(const _halfGTX& s) const;
+			
+			detail::hdata _data() const{return data;}
+
+		private:
+			detail::hdata data;
+		};
+
+		class _hvec2GTX
+		{
+		public:
+			typedef _halfGTX value_type;
+			typedef int size_type;
+			static const size_type value_size;
+
+			union 
+			{
+				struct{detail::hdata x, y;};
+				struct{detail::hdata r, g;};
+				struct{detail::hdata s, t;};
+			};
+
+			_hvec2GTX()
+			{}
+
+			_hvec2GTX(const _halfGTX x, const _halfGTX y) :
+				x(x._data()),
+				y(y._data())
+			{}
+		};
+	}
+*/
+}
+
+//#include "half.inl"
+
+#endif//__HALF_H__