本文整理汇总了C++中BitMatrix::to_str方法的典型用法代码示例。如果您正苦于以下问题：C++ BitMatrix::to_str方法的具体用法？C++ BitMatrix::to_str怎么用？C++ BitMatrix::to_str使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BitMatrix的用法示例。
在下文中一共展示了BitMatrix::to_str方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: evaluate
eval_t NegaScout::evaluate(
const Board& board,
unsigned depth,
bool passed,
eval_t alpha,
eval_t beta) {
//std::cerr << board.to_zebra_str() << std::endl;
TransTableController<TransTable> ttc(*p_trans_table_);
if (!ttc.init_alpha_beta(board, alpha, beta)) {
return ttc.get_return_value();
}
eval_t g = alpha;
if (depth == 0) {
leaf_count_++;
g = p_evaluator_->evaluate(board, BLACK);
} else {
node_count_++;
eval_t a = alpha;
eval_t b = beta;
bool first = true;
BitBoard::data_type moves = board.get_move_bit();
//std::cerr << moves.to_str() << std::endl;
unsigned moves_size = moves.size();
if (moves_size == 0) {
if (passed) {
g = board.get_score() / 1024;
} else {
Board next_board = board.make_inverse();
g = -evaluate(next_board, depth - 1, true, -beta, -alpha);
}
} else {
if (depth >= max_depth_) {
std::cerr << moves.to_str() << std::endl;
}
BitMoveOrderingIterator it(board, *p_evaluator_);
while (it.has_next()) {
/* while (moves.any()) {
BitBoard::data_type next = moves.get_next_bit();
moves ^= next;
BitBoard next_board(board);
next_board.move(next);
next_board.inverse();
*/
BitBoard next_board = it.get_next();
if (depth >= max_depth_ - 2) {
BitMatrix move = board.get_blank_bit() ^ next_board.get_blank_bit();
std::cerr << "move: " << Position(move.get_next()).to_str()
<< " " << move.to_str() << std::endl;
}
/*
// scout
eval_t val = -evaluate(next_board, depth - 1, false, -b, -a);
if (a < val && val < beta && !first)
val = -evaluate(next_board, depth - 1, false, -beta, -val);
*/
eval_t val = -evaluate(next_board, depth - 1, false, -b, -a);
//a = std::max(a, val);
if (a < val) {
if (depth == max_depth_)
next_move_ = (board.get_blank_bit() ^ next_board.get_blank_bit()).get_next();
a = val;
}
g = std::max(g, val);
if (depth == max_depth_) {
std::cerr << "a: " << a << ", g: " << g << std::endl;
}
if (a >= beta) {
if (depth == max_depth_) {
next_move_ = (board.get_blank_bit() ^ next_board.get_blank_bit()).get_next();
//next_move_ = next.get_next();
std::cerr << "next: " << next_move_ << std::endl;
}
return a;
}
//b = a + 1;
first = false;
it.go_next();
}
}
}
ttc.update_alpha_beta(board, g, alpha, beta);
return g;
}