using System;

public class Program

{

    public static void Main()

    {

        double val = -0.0111;

        val = Math.Round(val, 0);

        Console.WriteLine(val.ToString());

        Console.WriteLine(CheckForNegativeZero(val).ToString());

    }

    static double CheckForNegativeZero(double value)

    {

        var negativeZeroBits = BitConverter.DoubleToInt64Bits(-0.0);

        var valueBits = BitConverter.DoubleToInt64Bits(value);

​

        return value == 0 ? 0 : value;

    }

}