Add files via upload

2025-02-07 19:08:31 +03:30
parent c33ac55f2f
commit a9340e5d4e
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+//+------------------------------------------------------------------+
+//|                                                MoneyFixedLot.mqh |
+//|                             Copyright 2000-2024, MetaQuotes Ltd. |
+//|                                             https://www.mql5.com |
+//+------------------------------------------------------------------+
+#include <Expert\ExpertMoney.mqh>
+// wizard description start
+//+------------------------------------------------------------------+
+//| Description of the class                                         |
+//| Title=Trading with fixed trade volume                            |
+//| Type=Money                                                       |
+//| Name=FixLot                                                      |
+//| Class=CMoneyFixedLot                                             |
+//| Page=                                                            |
+//| Parameter=Percent,double,10.0,Percent                            |
+//| Parameter=Lots,double,0.1,Fixed volume                           |
+//+------------------------------------------------------------------+
+// wizard description end
+//+------------------------------------------------------------------+
+//| Class CMoneyFixedLot.                                            |
+//| Purpose: Class of money management with fixed lot.               |
+//|              Derives from class CExpertMoney.                    |
+//+------------------------------------------------------------------+
+class CMoneyFixedLot : public CExpertMoney
+  {
+protected:
+   //--- input parameters
+   double            m_lots;
+
+public:
+                     CMoneyFixedLot(void);
+                    ~CMoneyFixedLot(void);
+   //---
+   void              Lots(double lots)                      { m_lots=lots; }
+   virtual bool      ValidationSettings(void);
+   //---
+   virtual double    CheckOpenLong(double price,double sl)  { return(m_lots); }
+   virtual double    CheckOpenShort(double price,double sl) { return(m_lots); }
+  };
+//+------------------------------------------------------------------+
+//| Constructor                                                      |
+//+------------------------------------------------------------------+
+void CMoneyFixedLot::CMoneyFixedLot(void) : m_lots(0.1)
+  {
+  }
+//+------------------------------------------------------------------+
+//| Destructor                                                       |
+//+------------------------------------------------------------------+
+void CMoneyFixedLot::~CMoneyFixedLot(void)
+  {
+  }
+//+------------------------------------------------------------------+
+//| Validation settings protected data.                              |
+//+------------------------------------------------------------------+
+bool CMoneyFixedLot::ValidationSettings(void)
+  {
+   if(!CExpertMoney::ValidationSettings())
+      return(false);
+//--- initial data checks
+   if(m_lots<m_symbol.LotsMin() || m_lots>m_symbol.LotsMax())
+     {
+      printf(__FUNCTION__+": lots amount must be in the range from %f to %f",m_symbol.LotsMin(),m_symbol.LotsMax());
+      return(false);
+     }
+   if(MathAbs(m_lots/m_symbol.LotsStep()-MathRound(m_lots/m_symbol.LotsStep()))>1.0E-10)
+     {
+      printf(__FUNCTION__+": lots amount is not corresponding with lot step %f",m_symbol.LotsStep());
+      return(false);
+     }
+//--- ok
+   return(true);
+  }
+//+------------------------------------------------------------------+