PHP rotateBoard Examples

Example #1

File: n-queens-problem.php Project: jefferyyuan/RosettaCodeData

function findRotation($p, $boardX, $solutions)
{
    $tmp = rotateBoard($p, $boardX);
    // Rotated 90
    if (in_array($tmp, $solutions)) {
    } else {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $boardX);
    // Rotated 180
    if (in_array($tmp, $solutions)) {
    } else {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $boardX);
    // Rotated 270
    if (in_array($tmp, $solutions)) {
    } else {
        $solutions[] = $tmp;
    }
    // Reflected
    $tmp = array_reverse($p);
    if (in_array($tmp, $solutions)) {
    } else {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $boardX);
    // Reflected and Rotated 90
    if (in_array($tmp, $solutions)) {
    } else {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $boardX);
    // Reflected and Rotated 180
    if (in_array($tmp, $solutions)) {
    } else {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $boardX);
    // Reflected and Rotated 270
    if (in_array($tmp, $solutions)) {
    } else {
        $solutions[] = $tmp;
    }
    return $solutions;
}

Example #2

File: solve8queens_2.php Project: attogram/8queens

/**
 * find rotations of a solution
 * @param array $row
 * @param int $board
 * @param array $solutions
 * @return array
 */
function findRotation($row, $board, $solutions)
{
    $tmp = rotateBoard($row, $board);
    // Rotated 90
    if (!in_array($tmp, $solutions)) {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $board);
    // Rotated 180
    if (!in_array($tmp, $solutions)) {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $board);
    // Rotated 270
    if (!in_array($tmp, $solutions)) {
        $solutions[] = $tmp;
    }
    $tmp = array_reverse($row);
    // Reflected
    if (!in_array($tmp, $solutions)) {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $board);
    // Reflected and Rotated 90
    if (!in_array($tmp, $solutions)) {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $board);
    // Reflected and Rotated 180
    if (!in_array($tmp, $solutions)) {
        $solutions[] = $tmp;
    }
    $tmp = rotateBoard($tmp, $board);
    // Reflected and Rotated 270
    if (!in_array($tmp, $solutions)) {
        $solutions[] = $tmp;
    }
    return $solutions;
}