public void TestDiagonalValues()
{
TestingHelper helper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = rankDiags[0] << 18;
string boardString = helper.BitboardToBoardString(diag);
Debug.WriteLine(boardString);
}
public void TestFirstSquareOfDiagonal()
{
TestingHelper helper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = rankDiags[1];
UInt64 firstSquare = diag & ~(diag - 1);
// OptimiseTODO: consider bit-shifting instead of log. see http://community.topcoder.com/tc?module=Static&d1=tutorials&d2=bitManipulation
int firstSquareIndex = (int)Math.Log(firstSquare, 2);
Debug.WriteLine(firstSquareIndex);
string boardString = helper.BitboardToBoardString(firstSquare);
Debug.WriteLine(boardString);
}
public void TestMS1B()
{
TestingHelper testingHelper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = Constants.MainDiagonal;
//rankDiags[1];
BitHelper bitHelper = new BitHelper();
UInt64 ms1b = bitHelper.GetMostSignificant1Bit(diag);
Debug.WriteLine("Diagonal:");
Debug.WriteLine(testingHelper.BitboardToBoardString(diag));
Debug.WriteLine("MS1B:");
Debug.WriteLine(testingHelper.BitboardToBoardString(ms1b));
}
public void TestMS1BMask()
{
TestingHelper testingHelper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = rankDiags[1];
BitHelper bitHelper = new BitHelper();
UInt64 mask = bitHelper.GetMostSignificant1BitMask(diag);
Debug.WriteLine("Diagonal:");
Debug.WriteLine(testingHelper.BitboardToBoardString(diag));
Debug.WriteLine("Mask:");
Debug.WriteLine(testingHelper.BitboardToBoardString(mask));
}
public void TestMS1BIndex()
{
TestingHelper testingHelper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = rankDiags[1];
BitHelper bitHelper = new BitHelper();
int ms1bIndex = BitHelper.GetMostSignificant1BitIndex2(diag);
// bitHelper.GetMostSignificant1BitIndex(diag);
Debug.WriteLine("Diagonal:");
Debug.WriteLine(testingHelper.BitboardToBoardString(diag));
}
