Need help coding the Average of MA difference, can't get it to work properly

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So I want to code the Moving Average of TDI's MA difference and I'm at my wit's end right now. This is my code


//----- Global Variables

double   gdaRSI[]       ;
double   gdaRSI_Green[] ;
double   gdaRSI_Red[]   ;

double   TDI_MA[]       ;
double   RSI_MA_Diff[]  ;
double   MA_of_MA_Diff[];

double   BB_Top[]       ;
double   BB_Mid[]       ;
double   BB_Bot[]       ;


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+

int   init()
  {
//--- indicator buffers mapping
   
   
   SetIndexBuffer (0, BB_Top)       ;
   SetIndexStyle  (0, DRAW_LINE)    ;
   SetIndexDrawBegin(0,BB_Period)   ;
   SetIndexLabel  (0,"BB_Top")      ;

   SetIndexBuffer (1, BB_Mid)       ;
   SetIndexStyle  (1, DRAW_LINE)    ;
   SetIndexDrawBegin(1,BB_Period)   ;
   SetIndexLabel  (1,"BB_Mid")      ;

   SetIndexBuffer (2, BB_Bot)       ;
   SetIndexStyle  (2, DRAW_LINE)    ;
   SetIndexDrawBegin(2,BB_Period)   ;
   SetIndexLabel  (2,"BB_Bot")      ;
   
   SetIndexBuffer (3, gdaRSI_Green) ;
   SetIndexStyle  (3, DRAW_LINE)    ;
   SetIndexDrawBegin(3,RSI_Period)  ;
   SetIndexLabel  (3,"TDI_Main")    ;
   
   SetIndexBuffer (4, gdaRSI_Red)   ;
   SetIndexStyle  (4, DRAW_LINE)    ;
   SetIndexDrawBegin(4,RSI_Period)  ;
   SetIndexLabel  (4,"TDI_Signal")  ;

   SetIndexBuffer (5, TDI_MA)       ;
   SetIndexStyle  (5, DRAW_LINE)    ;
   SetIndexDrawBegin(5,RSI_Period)  ;
   SetIndexLabel  (5,"TDI_MA")      ;
   
   SetIndexBuffer (6, gdaRSI)       ;
   SetIndexStyle  (6, DRAW_NONE)    ;
   SetIndexDrawBegin(6,RSI_Period)  ;
   SetIndexLabel  (6,"RSI")         ;


   IndicatorDigits(3);

//---
   return(0);
  }
  
  
  
  
//+------------------------------------------------------------------+
//| Custom Indicator On-Tick Calculation                             |
//+------------------------------------------------------------------+

int   start()
{  

   int   iNewBars, iCountedBars, i;
   

     //-- Get unprocessed bars
     
     iCountedBars    =  IndicatorCounted()   ;
     
     if( iCountedBars < 0 ) return (-1)      ;
     
     if( iCountedBars > 0 ) iCountedBars--   ;
     
     iNewBars  =  MathMin(Bars-iCountedBars, Bars-1);

     
//-----> Calculate TDI and Bollinger Bands
     
      for( i = iNewBars - 1; i >= 0; i-- )      
      {
         gdaRSI[i]         =  iRSI(NULL,0,RSI_Period,RSI_Price,i);
      }
      
      for( i = iNewBars - 1; i >= 0; i-- )
      {
         gdaRSI_Green[i]   =  iMAOnArray(gdaRSI,0,RSI_Green_Period,0,RSI_Green_Mode,i);
         gdaRSI_Red[i]     =  iMAOnArray(gdaRSI,0,RSI_Red_Period,0,RSI_Red_Mode,i);
         BB_Mid[i]         =  iMAOnArray(gdaRSI,0,BB_Period,0,BB_Mode,i);
         BB_Top[i]         =  BB_Mid[i] + BB_StdDev * iStdDevOnArray(gdaRSI,0,BB_Period,0,BB_Mode,i);
         BB_Bot[i]         =  BB_Mid[i] - BB_StdDev * iStdDevOnArray(gdaRSI,0,BB_Period,0,BB_Mode,i);
      }
      
      for( i = iNewBars - 1; i >= 0; i-- )      RSI_MA_Diff[i]    =  gdaRSI_Green[i] - gdaRSI_Red[i];
      
      for( i = iNewBars - 1; i >= 0; i-- )      MA_of_MA_Diff[i]  = iMAOnArray(RSI_MA_Diff,0,TDI_MA_Period,0,TDI_MA_Mode,i);
      
      for( i = iNewBars - 1; i >= 0; i-- )      TDI_MA[i]         = gdaRSI_Red[i] + MA_of_MA_Diff[i];	//********** THIS LINE **********//
      
      
Print("BB_Bot[1]-[0]       = ",BB_Bot[1]," ===> ",BB_Bot[0]);
Print("BB_Mid[1]-[0]       = ",BB_Mid[1]," ===> ",BB_Mid[0]);
Print("BB_Top[1]-[0]       = ",BB_Top[1]," ===> ",BB_Top[0]);
Print("TDI_MA[1]-[0]       = ",TDI_MA[1]," ===> ",TDI_MA[0]);
Print("gdaRSI_Red[1]-[0]   = ",gdaRSI_Red[1]," ===> ",gdaRSI_Red[0]);
Print("gdaRSI_Green[1]-[0] = ",gdaRSI_Green[1]," ===> ",gdaRSI_Green[0]);
Print("gdaRSI[1]-[0]       = ",gdaRSI[1]," ===> ",gdaRSI[0]);
Print(" ||----- Indicator Value -----|| " );
      
      
      IndicatorShortName("TDI-MA v1 by iJoe");
      
   return(0);

}


All other buffer is working fine and is showing in the MT4 seperated window except for the TDI_MA[i]

Normally I would print indicator value out to check if there is any error in the calculation but I don't know why the Print function doesn't print anything for me when I test it in MT4

Thanks in advance!

 

Buffers are not allocated for RSI_MA_Diff and MA_of_MA_Diff. 

 SetIndexBuffer (6 , gdaRSI)       ;
 SetIndexBuffer (7 , RSI_MA_Diff)  ;
 SetIndexBuffer (8 , MA_of_MA_Diff);

 //SetIndexStyle  (6, DRAW_NONE)    ; 
 //SetIndexDrawBegin(6,RSI_Period)  ; 
 //SetIndexLabel  (6,"RSI")         ;
 
It worked! Thank you @Naguisa Unada
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