Data.TOF.TrimGates C# (CSharp) Method

        private double[] TrimGates(double startTime, double endTime)
        {
            // check for swapped gates
            if (startTime > endTime) return null;
            // is the gate region null, or entirely outside the TOF?
            int gateEndTime = gateStartTime + (Length - 1) * clockPeriod;
            if (startTime == endTime) return null;
            if (startTime > gateEndTime) return null;
            if (endTime < gateStartTime) return null;
            // trim the gates
            if (endTime > gateEndTime) endTime = gateEndTime;
            if (startTime < gateStartTime) startTime = gateStartTime;
            // it's now possible for the trimmed gate region to be null (!) so check again
            if (startTime == endTime) return null;

            return new double[] { startTime, endTime };
        }