210 lines
6.8 KiB
MQL5
210 lines
6.8 KiB
MQL5
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//+------------------------------------------------------------------+
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//| CompareFunction.mqh |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#include <Generic\Interfaces\IComparable.mqh>
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const bool x,const bool y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const char x,const char y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const uchar x,const uchar y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const short x,const short y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const ushort x,const ushort y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const color x,const color y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const int x,const int y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const uint x,const uint y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const datetime x,const datetime y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const long x,const long y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const ulong x,const ulong y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const float x,const float y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const double x,const double y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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int Compare(const string x,const string y)
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{
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if(x>y)
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return(1);
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else if(x<y)
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return(-1);
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else
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Compares two objects and returns a value indicating whether one |
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//| is less than, equal to, or greater than the other. |
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//+------------------------------------------------------------------+
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template<typename T>
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int Compare(T x,T y)
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{
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//--- try to convert to comparable object
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IComparable<T>*comparable=dynamic_cast<IComparable<T>*>(x);
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if(comparable)
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{
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//--- use specied compare method
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return comparable.Compare(y);
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}
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else
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{
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//--- unknown compare function
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return(0);
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}
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}
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//+------------------------------------------------------------------+
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