Pow with overflow

ExPow.cs

            public static int Sqr(double x, double y)
            {
                try
                {
                    checked
                    {
                        return (int)Math.Pow(x, y);
                    }
                }
                catch (OverflowException)
                {
                    var overflowedResult = Math.Pow(x, y);
                    var t = overflowedResult / int.MinValue;

                    if ((int) (t % 2) != 0)
                    {
                        return int.MinValue + (int) (overflowedResult % int.MinValue);
                    }

                    return (int)(overflowedResult % int.MinValue);
                }
            }