implemented HalfSingle struct, but unpacking is still missing

ANX.Framework.TestCenter/ANX.Framework.TestCenter.csproj

@@ -68,6 +68,7 @@
     <Compile Include="Strukturen\PackedVector\Bgra5551Test.cs" />
     <Compile Include="Strukturen\PackedVector\Bgra4444Test.cs" />
     <Compile Include="Strukturen\PackedVector\Byte4Test.cs" />
+    <Compile Include="Strukturen\PackedVector\HalfSingleTest.cs" />
     <Compile Include="Strukturen\PlaneTest.cs" />
     <Compile Include="Strukturen\PointTest.cs" />
     <Compile Include="Strukturen\RayTest.cs" />

ANX.Framework.TestCenter/AssertHelper.cs

@@ -93,6 +93,9 @@ using ANXBgra4444 = ANX.Framework.Graphics.PackedVector.Bgra4444;
 using XNAByte4 = Microsoft.Xna.Framework.Graphics.PackedVector.Byte4;
 using ANXByte4 = ANX.Framework.Graphics.PackedVector.Byte4;
 
+using XNAHalfSingle = Microsoft.Xna.Framework.Graphics.PackedVector.HalfSingle;
+using ANXHalfSingle = ANX.Framework.Graphics.PackedVector.HalfSingle;
+
 namespace ANX.Framework.TestCenter
 {
     class AssertHelper
@@ -145,6 +148,18 @@ namespace ANX.Framework.TestCenter
             }
         }
 
+        public static void ConvertEquals(XNAHalfSingle lhs, ANXHalfSingle rhs, String test)
+        {
+            if (lhs.PackedValue == rhs.PackedValue)
+            {
+                Assert.Pass(test + " passed");
+            }
+            else
+            {
+                Assert.Fail(String.Format("{0] failed: HalfSingle XNA: ({1}) HalfSingle ANX: ({2})", test, lhs, rhs));
+            }
+        }
+
         public static void ConvertEquals(byte a, byte b, String test)
         {
             if (a == b)

ANX.Framework.TestCenter/Strukturen/PackedVector/HalfSingleTest.cs

@@ -0,0 +1,92 @@
+#region Using Statements
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NUnit.Framework;
+
+using XNAHalfSingle = Microsoft.Xna.Framework.Graphics.PackedVector.HalfSingle;
+using ANXHalfSingle = ANX.Framework.Graphics.PackedVector.HalfSingle;
+
+using XNAVector4 = Microsoft.Xna.Framework.Vector4;
+using ANXVector4 = ANX.Framework.Vector4;
+
+#endregion // Using Statements
+
+#region License
+
+//
+// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
+//
+// This file is released under the Ms-PL license.
+//
+//
+//
+// Microsoft Public License (Ms-PL)
+//
+// This license governs use of the accompanying software. If you use the software, you accept this license. 
+// If you do not accept the license, do not use the software.
+//
+// 1.Definitions
+//   The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning 
+//   here as under U.S. copyright law.
+//   A "contribution" is the original software, or any additions or changes to the software.
+//   A "contributor" is any person that distributes its contribution under this license.
+//   "Licensed patents" are a contributor's patent claims that read directly on its contribution.
+//
+// 2.Grant of Rights
+//   (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations 
+//       in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to 
+//       reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
+//       or any derivative works that you create.
+//   (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in 
+//       section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
+//       patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution 
+//       in the software or derivative works of the contribution in the software.
+//
+// 3.Conditions and Limitations
+//   (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
+//   (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your 
+//       patent license from such contributor to the software ends automatically.
+//   (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution 
+//       notices that are present in the software.
+//   (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
+//       a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or 
+//       object code form, you may only do so under a license that complies with this license.
+//   (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
+//       or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
+//       extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a 
+//       particular purpose and non-infringement.
+
+#endregion // License
+
+namespace ANX.Framework.TestCenter.Strukturen.PackedVector
+{
+    [TestFixture]
+    class HalfSingleTest
+    {
+        #region Testdata
+
+        static object[] floats =
+        {
+           new object[] { DataFactory.RandomValue },
+           new object[] { DataFactory.RandomValue },
+           new object[] { DataFactory.RandomValue },
+           new object[] { DataFactory.RandomValue },
+           new object[] { DataFactory.RandomValue }
+        };
+
+        #endregion
+
+        [Test, TestCaseSource("floats")]
+        public void contructor1(float single)
+        {
+            XNAHalfSingle xnaVal = new XNAHalfSingle(single);
+            ANXHalfSingle anxVal = new ANXHalfSingle(single);
+
+            AssertHelper.ConvertEquals(xnaVal, anxVal, "Constructor1");
+        }
+
+    }
+}

ANX.Framework/ANX.Framework.csproj

@@ -200,6 +200,7 @@
     <Compile Include="Graphics\ModelMeshPartCollection.cs" />
     <Compile Include="Graphics\NoSuitableGraphicsDeviceException.cs" />
     <Compile Include="Graphics\OcclusionQuery.cs" />
+    <Compile Include="Graphics\PackedVector\HalfTypeHelper.cs" />
     <Compile Include="Graphics\RenderTargetCube.cs" />
     <Compile Include="Graphics\PackedVector\Alpha8.cs" />
     <Compile Include="Graphics\PackedVector\Bgr565.cs" />

ANX.Framework/Graphics/PackedVector/HalfSingle.cs

@@ -54,31 +54,73 @@ namespace ANX.Framework.Graphics.PackedVector
 {
     public struct HalfSingle : IPackedVector<UInt16>, IEquatable<HalfSingle>, IPackedVector
     {
+        UInt16 packedValue;
+
+        public HalfSingle(float single)
+        {
+            packedValue = HalfTypeHelper.convert(single);
+        }
+
         public ushort PackedValue
         {
             get
             {
-                throw new NotImplementedException();
+                return this.packedValue;
             }
             set
             {
-                throw new NotImplementedException();
+                this.packedValue = value;
             }
         }
 
-        public void PackFromVector4(Vector4 vector)
+        public float ToSingle()
         {
-            throw new NotImplementedException();
+            return HalfTypeHelper.convert(this.packedValue);
         }
 
-        public Vector4 ToVector4()
+        void IPackedVector.PackFromVector4(Vector4 vector)
         {
-            throw new NotImplementedException();
+            this.packedValue = HalfTypeHelper.convert(vector.X);
+        }
+
+        Vector4 IPackedVector.ToVector4()
+        {
+            return new Vector4(this.ToSingle(), 0f, 0f, 1f);
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (obj != null && obj.GetType() == this.GetType())
+            {
+                return this == (HalfSingle)obj;
+            }
+
+            return false;
         }
 
         public bool Equals(HalfSingle other)
         {
-            throw new NotImplementedException();
+            return this.packedValue == other.packedValue;
+        }
+
+        public override string ToString()
+        {
+            return this.ToSingle().ToString();
+        }
+
+        public override int GetHashCode()
+        {
+            return this.packedValue.GetHashCode();
+        }
+
+        public static bool operator ==(HalfSingle lhs, HalfSingle rhs)
+        {
+            return lhs.packedValue == rhs.packedValue;
+        }
+
+        public static bool operator !=(HalfSingle lhs, HalfSingle rhs)
+        {
+            return lhs.packedValue != rhs.packedValue;
         }
     }
 }

ANX.Framework/Graphics/PackedVector/HalfTypeHelper.cs

@@ -0,0 +1,134 @@
+#region Using Statements
+using System;
+using System.Runtime.InteropServices;
+
+#endregion // Using Statements
+
+#region License
+
+//
+// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
+//
+// This file is released under the Ms-PL license.
+//
+//
+//
+// Microsoft Public License (Ms-PL)
+//
+// This license governs use of the accompanying software. If you use the software, you accept this license. 
+// If you do not accept the license, do not use the software.
+//
+// 1.Definitions
+//   The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning 
+//   here as under U.S. copyright law.
+//   A "contribution" is the original software, or any additions or changes to the software.
+//   A "contributor" is any person that distributes its contribution under this license.
+//   "Licensed patents" are a contributor's patent claims that read directly on its contribution.
+//
+// 2.Grant of Rights
+//   (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations 
+//       in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to 
+//       reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
+//       or any derivative works that you create.
+//   (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in 
+//       section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
+//       patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution 
+//       in the software or derivative works of the contribution in the software.
+//
+// 3.Conditions and Limitations
+//   (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
+//   (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your 
+//       patent license from such contributor to the software ends automatically.
+//   (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution 
+//       notices that are present in the software.
+//   (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
+//       a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or 
+//       object code form, you may only do so under a license that complies with this license.
+//   (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
+//       or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
+//       extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a 
+//       particular purpose and non-infringement.
+
+#endregion // License
+
+namespace ANX.Framework.Graphics.PackedVector
+{
+    internal class HalfTypeHelper
+    {
+        [StructLayout(LayoutKind.Explicit)]
+        private struct uif
+        {
+            [FieldOffset(0)]
+            public float f;
+            [FieldOffset(0)]
+            public int i;
+        }
+
+        internal static UInt16 convert(float f)
+        {
+            uif uif = new uif();
+            uif.f = f;
+            return convert(uif.i);
+        }
+
+        internal static UInt16 convert(int i)
+        {
+            int s = (i >> 16) & 0x00008000;
+            int e = ((i >> 23) & 0x000000ff) - (127 - 15);
+            int m = i & 0x007fffff;
+
+            if (e <= 0)
+            {
+                if (e < -10)
+                {
+                    return (UInt16)s;
+                }
+
+                m = m | 0x00800000;
+
+                int t = 14 - e;
+                int a = (1 << (t - 1)) - 1;
+                int b = (m >> t) & 1;
+
+                m = (m + a + b) >> t;
+
+                return (UInt16)(s | m);
+            }
+            else if (e == 0xff - (127 - 15))
+            {
+                if (m == 0)
+                {
+                    return (UInt16)(s | 0x7c00);
+                }
+                else
+                {
+                    m >>= 13;
+                    return (UInt16)(s | 0x7c00 | m | ((m == 0) ? 1 : 0));
+                }
+            }
+            else
+            {
+                m = m + 0x00000fff + ((m >> 13) & 1);
+
+                if ((m & 0x00800000) != 0)
+                {
+                    m = 0;
+                    e += 1;
+                }
+
+                if (e > 30)
+                {
+                    return (UInt16)(s | 0x7c00);
+                }
+
+                return (UInt16)(s | (e << 10) | (m >> 13));
+            }
+        }
+
+        internal static float convert(UInt16 value)
+        {
+            //TODO: implement
+            throw new NotImplementedException();
+        }
+    }
+}