text: /*
  * Copyright (c) 2007-2012 SlimDX Group
  * 
  * 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.
  */
  #pragma once
  
  #include "../design/HalfConverter.h"
  
  namespace SlimDX
  {
  	/// <summary>
  	/// A half precision (16 bit) floating point value.
  	/// </summary>
  	/// <unmanaged>D3DXFLOAT16</unmanaged>
  	[System::Serializable]
  	[System::Runtime::InteropServices::StructLayout(System::Runtime::InteropServices::LayoutKind::Sequential)]
  	[System::ComponentModel::TypeConverter( SlimDX::Design::HalfConverter::typeid )]
  	public value class Half
  	{
  	private:
  		System::UInt16 m_Value;
  
  		static Half()
  		{
  			Half::Epsilon = D3DX_16F_EPSILON;
  			Half::MaxValue = D3DX_16F_MAX;
  			Half::MinValue = D3DX_16F_MIN;
  		}
  
  	public:
  		/// <summary>
  		/// Number of decimal digits of precision.
  		/// </summary>
  		literal int PrecisionDigits = D3DX_16F_DIG;
  
  		/// <summary>
  		/// Number of bits in the mantissa.
  		/// </summary>
  		literal int MantissaBits = D3DX_16F_MANT_DIG;
  
  		/// <summary>
  		/// Maximum decimal exponent.
  		/// </summary>
  		literal int MaximumDecimalExponent = D3DX_16F_MAX_10_EXP;
  
  		/// <summary>
  		/// Maximum binary exponent.
  		/// </summary>
  		literal int MaximumBinaryExponent = D3DX_16F_MAX_EXP;
  
  		/// <summary>
  		/// Minimum decimal exponent.
  		/// </summary>
  		literal int MinimumDecimalExponent = D3DX_16F_MIN_10_EXP;
  
  		/// <summary>
  		/// Minimum binary exponent.
  		/// </summary>
  		literal int MinimumBinaryExponent = D3DX_16F_MIN_EXP;
  
  		/// <summary>
  		/// Exponent radix.
  		/// </summary>
  		literal int ExponentRadix = D3DX_16F_RADIX;
  
  		/// <summary>
  		/// Additional rounding.
  		/// </summary>
  		literal int AdditionRounding = D3DX_16F_ROUNDS;
  
  		/// <summary>
  		/// Smallest such that 1.0 + epsilon != 1.0
  		/// </summary>
  		static initonly float Epsilon;
  
  		/// <summary>
  		/// Maximum value of the number.
  		/// </summary>
  		static initonly float MaxValue;
  
  		/// <summary>
  		/// Minimum value of the number.
  		/// </summary>
  		static initonly float MinValue;
  
  		/// <summary>
  		/// Initializes a new instance of the <see cref="Half"/> structure.
  		/// </summary>
  		/// <param name="value">The floating point value that should be stored in 16 bit format.</param>
  		Half( float value );
  
  		/// <summary>
  		/// Gets or sets the raw 16 bit value used to back this half-float.
  		/// </summary>
  		property System::UInt16 RawValue
  		{
  			System::UInt16 get();
  			void set( System::UInt16 value );
  		}
  
  		/// <summary>
  		/// Converts an array of half precision values into full precision values.
  		/// </summary>
  		/// <param name="values">The values to be converted.</param>
  		/// <returns>An array of converted values.</returns>
  		static array<float>^ ConvertToFloat( array<Half>^ values );
  
  		/// <summary>
  		/// Converts an array of full precision values into half precision values.
  		/// </summary>
  		/// <param name="values">The values to be converted.</param>
  		/// <returns>An array of converted values.</returns>
  		static array<Half>^ ConvertToHalf( array<float>^ values );
  
  		/// <summary>
  		/// Performs an explicit conversion from <see cref="System::Single"/> to <see cref="Half"/>.
  		/// </summary>
  		/// <param name="value">The value to be converted.</param>
  		/// <returns>The converted value.</returns>
  		static explicit operator Half( float value );
  
  		/// <summary>
  		/// Performs an implicit conversion from <see cref="Half"/> to <see cref="System::Single"/>.
  		/// </summary>
  		/// <param name="value">The value to be converted.</param>
  		/// <returns>The converted value.</returns>
  		static operator float( Half value );
  
  		/// <summary>
  		/// Tests for equality between two objects.
  		/// </summary>
  		/// <param name="left">The first value to compare.</param>
  		/// <param name="right">The second value to compare.</param>
  		/// <returns><c>true</c> if <paramref name="left"/> has the same value as <paramref name="right"/>; otherwise, <c>false</c>.</returns>
  		static bool operator == ( Half left, Half right );
  
  		/// <summary>
  		/// Tests for inequality between two objects.
  		/// </summary>
  		/// <param name="left">The first value to compare.</param>
  		/// <param name="right">The second value to compare.</param>
  		/// <returns><c>true</c> if <paramref name="left"/> has a different value than <paramref name="right"/>; otherwise, <c>false</c>.</returns>
  		static bool operator != ( Half left, Half right );
  
  		/// <summary>
  		/// Converts the value of the object to its equivalent string representation.
  		/// </summary>
  		/// <returns>The string representation of the value of this instance.</returns>
  		virtual System::String^ ToString() override;
  
  		/// <summary>
  		/// Returns the hash code for this instance.
  		/// </summary>
  		/// <returns>A 32-bit signed integer hash code.</returns>
  		virtual int GetHashCode() override;
  
  		/// <summary>
  		/// Returns a value that indicates whether the current instance is equal to a specified object. 
  		/// </summary>
  		/// <param name="obj">Object to make the comparison with.</param>
  		/// <returns><c>true</c> if the current instance is equal to the specified object; <c>false</c> otherwise.</returns>
  		virtual bool Equals( System::Object^ obj ) override;
  
  		/// <summary>
  		/// Returns a value that indicates whether the current instance is equal to the specified object. 
  		/// </summary>
  		/// <param name="other">Object to make the comparison with.</param>
  		/// <returns><c>true</c> if the current instance is equal to the specified object; <c>false</c> otherwise.</returns>
  		virtual bool Equals( Half other );
  
  		/// <summary>
  		/// Determines whether the specified object instances are considered equal. 
  		/// </summary>
  		/// <param name="value1"></param>
  		/// <param name="value2"></param>
  		/// <returns><c>true</c> if <paramref name="value1"/> is the same instance as <paramref name="value2"/> or 
  		/// if both are <c>null</c> references or if <c>value1.Equals(value2)</c> returns <c>true</c>; otherwise, <c>false</c>.</returns>
  		static bool Equals( Half% value1, Half% value2 );
  	};
  }