gistfile1.cs

public int TestTimeWithSampling
{
    get
    {
        return CalculateTestTimeWithSampling();
    }
}

private int CalculateTestTimeWithSampling()
{
    if (GeneratorSetupTime.HasValue == false)
    {
        return int.MaxValue;
    }

    if (RequestedTestTime == 0)
    {
        var power = (Voltage1 * Current1) + (Voltage2 * Current2) + (Voltage3 * Current3);
        if (power == 0.0)
        {
            return int.MaxValue;
        }

        var angle = Math.Cos((PhaseShift - EnergyTypeToAngle()) * Math.PI / 180.0);

        if (angle == 0.0)
        {
            return int.MaxValue;
        }

        checked
        {
            double testTime = GeneratorSetupTime.Value + (Energy / power * 3600000 / angle);
            if (testTime > int.MaxValue)
                return int.MaxValue;
            else
                return (int)testTime;
        }
    }

    return GeneratorSetupTime.Value + RequestedTestTime;
}