Morpheus.MassTolerance.operator C# (CSharp) Method

        public static double operator +(double left, MassTolerance right)
        {
            if(right.Units == MassToleranceUnits.Da)
            {
                return left + right.Value;
            }
            else if(right.Units == MassToleranceUnits.ppm)
            {
                return left + left * right.Value / 1e6;
            }
            else
            {
                return double.NaN;
            }
        }