private static ulong RShift(ulong num, ulong n)
{
var highbits = (ulong)0;
if ((num & Scrambler.Pow(2, 31)) != 0)
{
highbits = (Scrambler.Pow(2, n) - 1) * Scrambler.Pow(2, 32 - n);
}
return((num / Scrambler.Pow(2, n)) | highbits);
}
private static ulong LShift(ulong num, ulong n)
{
return((num * Scrambler.Pow(2, n)) % Scrambler.Pow(2, 32));
}