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RSI_T3.mq4

Time: 2017-08-12 | Download file:RSI_T3.mq4

//+------------------------------------------------------------------+
//|                                                       RSI T3.mq4 |
//|                                       Original Code by FX Sniper |
//|                                  Copyright © 2007, Forex-TSD.com |
//|                                              Written by Linuxser |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, Forex-TSD.com "
#property link      "http://www.forex-tsd.com/"

#property indicator_separate_window
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_buffers 1
#property indicator_color1 DodgerBlue
#property  indicator_color2  Red
#property  indicator_level1  70
#property  indicator_level2  30
#property  indicator_levelcolor Gray
#property  indicator_levelstyle 2

//----
extern int RSI_Period = 14;
extern int Applied_Price  =  0; // 0: Close // 1: Open // 2: High // 3: Low // 4: Median (H+L/2) // 5: Typical (H+L+C/3) // 6: Weighted (H+L+C+C/4)
extern int T3_Period = 5;
extern double b = 0.618;
//----
double e1, e2, e3, e4, e5, e6;
double c1, c2, c3, c4;
double n, w1, w2, b2, b3;
double RSI[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators setting
    SetIndexBuffer(0, RSI);

//----
    SetIndexStyle(0, DRAW_LINE);

//----        
    IndicatorShortName("RSI T3(" + RSI_Period + ", " + T3_Period + ")");
    SetIndexLabel(0, "RSI T3");     
  
//---- variable reset
    b2 = b*b;
    b3 = b2*b;
    c1 = -b3;
    c2 = (3*(b2 + b3));
    c3 = -3*(2*b2 + b + b3);
    c4 = (1 + 3*b + b3 + 3*b2);
    n = T3_Period;
//----
    if(n < 1) 
        n = 1;
    n = 1 + 0.5*(n - 1);
    w1 = 2 / (n + 1);
    w2 = 1 - w1;    
//----
    return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int limit;
   int counted_bars = IndicatorCounted();
//---- check for possible errors
   if(counted_bars < 0) 
       return(-1);
//---- last counted bar will be recounted
   if(counted_bars > 0) 
       counted_bars--;
   limit = Bars - counted_bars;  
//---- indicator calculation
   for(int i = Bars - 1; i >= 0; i--)
     {   
       RSI[i] = iRSI(NULL, 0, RSI_Period, Applied_Price, i);
       e1 = w1*RSI[i] + w2*e1;
       e2 = w1*e1 + w2*e2;
       e3 = w1*e2 + w2*e3;
       e4 = w1*e3 + w2*e4;
       e5 = w1*e4 + w2*e5;
       e6 = w1*e5 + w2*e6;    
       RSI[i] = c1*e6 + c2*e5 + c3*e4 + c4*e3; 
       
     }   
//----
   return(0);
  }
//+------------------------------------------------------------------+

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