How to calculate a Awesome's average?

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Hi everybody, I was trying to calculate a simple average of 3 periods of Awesome indicator, but it's never appears on the screen. I don' t know why it's happening.

Here it is:

//+------------------------------------------------------------------+
//|                                              Awesome Average.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                       http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property  copyright "Copyright © 2005, MetaQuotes Software Corp."
#property  link      "http://www.metaquotes.net/"
//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 4
#property  indicator_color1  Black
#property  indicator_color2  Green
#property  indicator_color3  Red
#property  indicator_color4  White
#property indicator_minimum -0.2
#property indicator_maximum 0.2

//---- indicator buffers
double     ExtBuffer0[];
double     ExtBuffer1[];
double     ExtBuffer2[];
double     ExtBuffer3[];
extern int periodo1=10;
extern int periodo2=50;
extern int periodo3=3;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   //---- drawing settings
   SetIndexStyle(0,DRAW_NONE);
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexStyle(2,DRAW_HISTOGRAM);
   SetIndexStyle(3,DRAW_LINE);
   IndicatorDigits(Digits+1);
   SetIndexDrawBegin(0,34);
   SetIndexDrawBegin(1,34);
   SetIndexDrawBegin(2,34);
   SetIndexDrawBegin(3,34);
//---- 3 indicator buffers mapping
   SetIndexBuffer(0,ExtBuffer0);
   SetIndexBuffer(1,ExtBuffer1);
   SetIndexBuffer(2,ExtBuffer2);
   SetIndexBuffer(3,ExtBuffer3);
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("AO");
   SetIndexLabel(1,NULL);
   SetIndexLabel(2,NULL);
   SetIndexLabel(3,NULL);
   
//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//| Awesome Oscillator                                               |
//+------------------------------------------------------------------+
int start()
  {
   int    limit;
   int    counted_bars=IndicatorCounted();
   double prev,current,mediamovel,final;
   
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
//---- macd
   for(int i=0; i<limit; i++)
      ExtBuffer0[i]=iMA(NULL,0,periodo1,0,MODE_SMA,PRICE_MEDIAN,i)-iMA(NULL,0,periodo2,0,MODE_SMA,PRICE_MEDIAN,i);
//---- dispatch values between 2 buffers
   bool up=true;
   for(i=limit-1; i>=0; i--)
     {
      current=ExtBuffer0[i];
      prev=ExtBuffer0[i+1];
      if(current>prev) up=true;
      if(current<prev) up=false;
      if(!up)
        {
         ExtBuffer2[i]=current;
         ExtBuffer1[i]=0.0;
        }
      else
        {
         ExtBuffer1[i]=current;
         ExtBuffer2[i]=0.0;
        }
      if(ExtBuffer2[i]==current)
       {
         current=final;
       } 
      else
       {
         current=final;
       }    
       mediamovel=iMA(NULL,0,periodo3,0,MODE_SMA,final,i);
       ExtBuffer3[i]=mediamovel;
     }
//---- done
   return(0);
  }
//+------------------------------------------------------------------+
 

Any help?

 

Two loops.

Calculate and fill the index buffer in the first loop.

When it is done, run a second loop to fill your average buffer.

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