C++ (Cpp) flip_i Examples

Example #1

File: fen.c Project: GBuella/Taltos

static char*
FEN_print_board(const struct position *pos, char *str, enum player turn)
{
	int empty_count;

	for (int rank = rank_8; ; rank += RSOUTH) {
		empty_count = 0;
		for (int file = file_a; is_valid_file(file); file += EAST) {
			int i = ind(rank, file);
			if (turn == black)
				i = flip_i(i);
			enum piece p = position_piece_at(pos, i);
			enum player player = position_player_at(pos, i);
			if (p != nonpiece) {
				if (empty_count > 0) {
					*str++ = '0' + (char)empty_count;
					empty_count = 0;
				}
				if (turn == black)
					player = opponent_of(player);
				*str++ = square_to_char(p, player);
			}
			else {
				++empty_count;
			}
		}
		if (empty_count > 0)
			*str++ = '0' + empty_count;
		if (rank == rank_1)
			return str;
		else
			*str++ = '/';
	}
}

Example #2

static void
test_coordinates(void)
{
	assert(is_coordinate("g6"));
	assert(!is_coordinate("g9"));
	assert(!is_coordinate("g0"));
	assert(!is_coordinate("6"));
	assert(is_coordinate("g6 lorem ipsum"));
	assert(!is_coordinate("lorem ipsum"));

	assert(str_to_index("g6", white) == ind(rank_6, file_g));
	assert(str_to_index("g6", black) == flip_i(ind(rank_6, file_g)));
}