Author: Scott Gasch
Date: 21:59:28 06/17/02
Go up one level in this thread
On June 18, 2002 at 00:57:35, Dann Corbit wrote:
>On June 18, 2002 at 00:39:41, Adriano Bedeschi de Souza wrote:
>
>>BitBoard bishopMoves(ChessPosition position, int orig) {
>>
>> int diagonalState;
>> BitBoard diagonal_A8H1_moves;
>> BitBoard diagonal_A1H8_moves;
>> BitBoard pos;
>>
>> pos = position.rotated45L;
>> pos = pos >> rotated45Left_shift_map[orig];
>> diagonalState = pos & (int)(pow(2,diagonal_A8H1_length[orig]) - 1);
> YIKES
>>
>> diagonal_A8H1_moves = diagonal_A8H1_attacks[orig][diagonalState];
>>
>> pos = position.rotated45R;
>> pos = pos >> rotated45Right_shift_map[orig];
>> diagonalState = pos & (int)(pow(2,diagonal_A1H8_length[orig]) - 1);
> YIKES
>>
>> diagonal_A1H8_moves = diagonal_A1H8_attacks[orig][diagonalState];
>>
>> return diagonal_A8H1_moves | diagonal_A1H8_moves;
>>}
>
>Maybe something like this instead:
>unsigned long long p2[] = {
> 0x1,
> 0x2,
> 0x4,
> 0x8,
Also try 1 << power
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