Stat.divideAndRoundDown C# (CSharp) Method

    int divideAndRoundDown(int myData)
    {
        if(myData == 0) { return 0;}

        if( Math.IEEERemainder( myData, 2) == 0.5) {
            //if the remainding of division between myData and 2 is .5, decrease .5
            return Convert.ToInt32(myData/2 -.5);
        } else {
            return Convert.ToInt32(myData/2);
        }
    }