private static void Fill(ulong[] array, MTRandom random)
{
for (int i = 0; i < array.Length; i++)
{
array[i] = random.genrand_int64();
}
}
static ZobristHashing()
{
var random = new MTRandom(0);
PieceHashes = new ulong[2 * (int)PieceType.Count * 64];
Fill(PieceHashes, random);
EnPassantHashes = new ulong[64];
Fill(EnPassantHashes, random);
CastlingHashes = new ulong[64];
Fill(CastlingHashes, random);
WhiteSideHash = random.genrand_int64();
}
private ulong GetSparseRandomUlong()
{
return(_random.genrand_int64() & _random.genrand_int64() & _random.genrand_int64());
}