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

		public static ushort FloatToHalfI( uint i )
		{
			int s = (int)( i >> 16 ) & 0x00008000;
			int e = (int)( ( i >> 23 ) & 0x000000ff ) - ( 127 - 15 );
			int m = (int)i & 0x007fffff;

			if ( e <= 0 )
			{
				if ( e < -10 )
				{
					return 0;
				}
				m = ( m | 0x00800000 ) >> ( 1 - e );

				return (ushort)( s | ( m >> 13 ) );
			}
			else if ( e == 0xff - ( 127 - 15 ) )
			{
				if ( m == 0 ) // Inf
				{
					return (ushort)( s | 0x7c00 );
				}
				else    // NAN
				{
					m >>= 13;
					return (ushort)( (uint)s | 0x7c00 | (uint)m | ( m == 0 ? 1u : 0u ) );
				}
			}
			else
			{
				if ( e > 30 ) // Overflow
				{
					return (ushort)( s | 0x7c00 );
				}

				return (ushort)( s | ( e << 10 ) | ( m >> 13 ) );
			}
		}