FastQuant.TimeSeries.GetNegativeSeries C# (CSharp) Method

        public virtual TimeSeries GetNegativeSeries()
        {
            var ts = new TimeSeries();
            for (int i = 0; i < Count; i++)
                if (this[i] < 0)
                    ts.Add(GetDateTime(i), this[i]);
            return ts;
        }