PAWN GetOrdinal function

stock GetOrdinal(ordinal)
{
    new str[][] = {"st","nd","rd","th"};

    ordinal = (ordinal < 0) ? (-ordinal) : (ordinal);

    if(!(10 < (ordinal % 100) < 14))
    {
        new onesval = ordinal % 10;

        return str[(0 < onesval < 4)?(onesval-1): (3)];
    }
    return str[3];
}