663         {664            volume = cap;665            break;666         }667         volume *= InpRecoveryMultiplier;668         if (volume <= 0 || !MathIsValidNumber(volume))669         {670            volume = base;671            break;672         }673      }674   if (!MathIsValidNumber(volume) || volume <= 0 || minimum <= 0 || maximum < minimum || cap + 1e-12 < minimum)675      return 0;676   volume = MathMax(minimum, MathMin(volume, cap));677   if (step > 0)678   {679      double low = MathCeil((minimum - 1e-12) / step) * step;680      double high = MathFloor((cap + 1e-12) / step) * step;681      volume = MathMax(low, MathCeil((volume - 1e-12) / step) * step);682      if (high >= low)683         volume = MathMin(volume, high);684   }685   int digits = 2;686   if (step > 0)687   {688      double scaled = step;689      digits = 0;690      while (digits < 8 && MathAbs(scaled - MathRound(scaled)) > 1e-10)691      {692         scaled *= 10;693         digits++;694      }695   }696   volume = NormalizeDouble(volume, digits);697   return volume + 1e-12 >= minimum && volume <= cap + 1e-12 ? volume : 0;698}699double EntryVolume()700{701   if (InpUseLossRecovery)702      return RecoveryVolume();703   if (!InpUseProgressiveLots)704      return InpLotSize;705   int steps = (int)MathFloor((AccountInfoDouble(ACCOUNT_EQUITY) - initial_equity) / InpProgStepUSD);706   steps = MathMax(steps, 0);707   double volume = MathMin((steps + 1) * InpProgLotPerStep, InpProgLotCap);708   double minimum = SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_MIN),709          maximum = SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_MAX);710   double step = SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_STEP);711   if (step > 0)712      volume = MathRound(volume / step) * step;