old-rv

 revBarspClose = (revBarspClose == null) ? Closes[1][0] : revBarspClose;

                if (rangeBarLow == 0)
                {
                    rangeBarLow = Closes[1][0];
                }
                else if (rangeBarHigh == 0)
                {
                    rangeBarHigh = Closes[1][0];
                }


                if (BarsArray[1].Count == 0 || (BarsArray[1].IsResetOnNewTradingDay && isNewSession))
                {
                    isNewBar = true;
                }
                else
                {
                    if (revBarsDir == 1)
                    {
                        if (Closes[1][0].ApproxCompare(rangeBarHigh - revBarsOffset) <= 0)
                        {
                            isNewBar = true;
                            revBarsDir = 2;
                        }
                    }
                    else if (revBarsDir == 2)
                    {
                        if (Closes[1][0].ApproxCompare(rangeBarLow + revBarsOffset) >= 0)
                        {
                            isNewBar = true;
                            revBarsDir = 1;
                        }
                    }
                    else if (Closes[1][0].ApproxCompare(rangeBarLow + revBarsOffset) >= 0)
                    {
                        revBarsDir = 1;
                    }
                    else if (Closes[1][0].ApproxCompare(rangeBarHigh - revBarsOffset) <= 0)
                    {
                        revBarsDir = 2;
                    }
                }

                revBarspClose = Closes[1][0];

                if (Closes[1][0] < rangeBarLow)
                {
                    rangeBarLow = Closes[1][0];
                }
                else if (Closes[1][0] > rangeBarHigh)
                {
                    rangeBarHigh = Closes[1][0];
                }

                if (isNewBar)
                {
                    rangeBarLow = Closes[1][0];
                    rangeBarHigh = Closes[1][0];
                }