704bool PositionOwned()705{706   return PositionGetString(POSITION_SYMBOL) == _Symbol && PositionGetInteger(POSITION_MAGIC) == MagicNumber;707}708bool OrderOwned()709{710   return OrderGetString(ORDER_SYMBOL) == _Symbol && OrderGetInteger(ORDER_MAGIC) == MagicNumber;711}712double Price(const double value)713{714   return NormalizeDouble(value, _Digits);715}716double TickPrice(const double value)717{718   double tick = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_SIZE);719   return tick != 0 ? MathRound(value / tick) * tick : Price(value);720}721double Volume(const double value)722{723   double step = SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_STEP);724   if (step == 0)725      return 0;726   double lots = MathMax(SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_MIN),727                         MathMin(SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_MAX), value));728   int digits = step >= 0.1 ? (step == 1.0 ? 0 : 1) : 2;729   return NormalizeDouble(MathRound(lots / step) * step, digits);730}731void ReadSessionRange(int &shift, datetime &time, double &high, double &low)732{733   high = 0;734   low = 0;735   while (InRangeSession(time))736   {737      double barHigh = Price(iHigh(_Symbol, _Period, shift));738      double barLow = Price(iLow(_Symbol, _Period, shift));739      high = MathMax(high, barHigh);740      low = low == 0 ? barLow : MathMin(low, barLow);741      shift++;742      time = iTime(_Symbol, _Period, shift);743      if (time == 0)744         break;745   }746}747double VolatilityAdjustedLots(double lots)748{749   if (!VolatilityRangeFilter)750      return lots;751   int shift = 0, completedDays = 0, previousDay;752   MqlDateTime date;753   TimeToStruct(TimeCurrent(), date);