/// <summary>
/// Initializes the implementation details of a <see cref="CyclicRedundancyCheck"/> related polynomial lookup table.
/// </summary>
/// <param name="currentBit">The current bit ranging from 0 to 7.</param>
/// <param name="currentTableIndex">The current index of the associated polynomial <see cref="CyclicRedundancyCheck.LookupTable"/> ranging from 0 to 255.</param>
/// <remarks>This method is - on first run - invoked 8 times per entry in the associated polynomial <see cref="CyclicRedundancyCheck.LookupTable"/>, given a total of 2048 times.</remarks>
protected override void InitializePolynomialLookupTable(byte currentBit, ushort currentTableIndex)
{
bool hasIndex = ListUtility.HasIndex(currentTableIndex, LookupTable);
if (!hasIndex)
{
LookupTable.Add(currentTableIndex);
}
long value = LookupTable[currentTableIndex];
if ((value & 1) == 1)
{
value = (value >> 1) ^ Polynomial;
}
else
{
value >>= 1;
}
LookupTable[currentTableIndex] = value;
}
