public static BitString Encode(EdPoint point, int b)
{
var encoding = new BitString(point.Y, b);
var xBit = new BitString(point.X, b).GetLeastSignificantBits(1);
var bytes = new byte[b / 8];
bytes[0] = 1 << 7;
if (xBit.Equals(BitString.One()))
{
encoding = encoding.OR(new BitString(bytes));
}
else
{
encoding = encoding.AND(new BitString(bytes).NOT());
}
return(BitString.ReverseByteOrder(encoding)); // switch to little endian
}