Axiom.Media.Bitwise.HalfToFloatI C# (CSharp) Method

		public static uint HalfToFloatI( ushort y )
		{
			uint yuint = (uint)y;
			uint s = ( yuint >> 15 ) & 0x00000001;
			uint e = ( yuint >> 10 ) & 0x0000001f;
			uint m = yuint & 0x000003ff;

			if ( e == 0 )
			{
				if ( m == 0 ) // Plus or minus zero
					return ( s << 31 );
				else
				{ // Denormalized number -- renormalize it
					while ( ( m & 0x00000400 ) == 0 )
					{
						m <<= 1;
						e -= 1;
					}
					e += 1;
					m &= 0xFFFFFBFF; // ~0x00000400;
				}
			}
			else if ( e == 31 )
			{
				if ( m == 0 ) // Inf
					return ( s << 31 ) | 0x7f800000;
				else // NaN
					return ( s << 31 ) | 0x7f800000 | ( m << 13 );
			}

			e = e + ( 127 - 15 );
			m = m << 13;

			return ( s << 31 ) | ( e << 23 ) | m;
		}