Bollinger iBands upper, middle, lower

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Hey Folks,,, first off much appreciation for this community. Just slightly struggling with bollinger band code conversion from mt4 to mt5 and could really use some help sorting this issue! Will be highly appreciated!

Code below,

// GETTING THE AMOUNT OF ALL BARS OF THE CHART

   int IBARSA = iBars(NULL,A_TF);

//---- Checking whether the bars number is enough for further calculation

   if(IBARSA < A_MA)

    return(0);

// INDICATOR BUFFERS EMULATION

  if(ArraySize(BandWidthA) < IBARSA)

     {

       ArraySetAsSeries(BandWidthA, false);

       ArraySetAsSeries(MainA, false);

       ArraySetAsSeries(PercentA, false);

       //----  

       ArrayResize(BandWidthA, IBARSA); 

       ArrayResize(MainA, IBARSA);

       ArrayResize(PercentA, IBARSA);  

       //----

       ArraySetAsSeries(BandWidthA, true);

       ArraySetAsSeries(MainA, true);

       ArraySetAsSeries(PercentA, true); 

     }

// INSERTION OF A STATIC INTEGER MEMORY VARIABLE

   static int IndCountedA;  

//----+ Insertion of integer variables and GETTING ALREADY CALCULATED BARS 

   int A, MaxBarA, barA, counted_barsA = IndCountedA;

//---- checking for possible errors

   if(counted_barsA < 0)

    return(-1);

//---- the last calculated bar must be recalculate

   if(counted_barsA > 0) 

       counted_barsA--;

//----+ REMEMBERING THE AMOUNT OF ALL BARS OF THE CHART

   IndCountedA = IBARSA - 1;

//---- defining the number of the oldest bar,   

//---- starting from which new bars will be recalculated

   A = IBARSA - counted_barsA - 1; 

//---- defining the number of the oldest bar, 

//---- starting from which new bars will be recalculated

   MaxBarA = IBARSA - 1 - A_MA;

//---- initialization to zero

   if(A > MaxBarA)

     {

       A = MaxBarA;

       for(barA = IBARSA - 1; barA >= 0; barA--)

         {

           BandWidthA[barA] = 0.0;

           MainA[barA] = 0.0;

           PercentA[barA]=0.0;

          

         }

     }

//------MAIN CYCLE

 //---------------------1     

    for(int a = IBARSA-1; a >= 0; a--)

      {

        double UpperBandA = iBands(NULL,A_TF,A_MA,Deviation,Shift,2,MODE_UPPER, a);

        double LowerBandA = iBands(NULL,A_TF,A_MA,Deviation,Shift,3,MODE_LOWER, a);

        double MiddlBandA = iBands(NULL,A_TF,A_MA,Deviation,Shift,4,MODE_MAIN,  a);

        double DenominatA = UpperBandA - LowerBandA;

       

         if( MiddlBandA == 0.0 ) { MiddlBandA = 0.00001; }

         if( DenominatA == 0.0 ) { DenominatA = 0.00001; }

        

      

      BandWidthA[a] = ( UpperBandA - LowerBandA ) / MiddlBandA;

      PercentA[a] = (Close[a]-LowerBandA)/DenominatA;

    

      //----

      }

      

    while(A>=0)

   {

      //----

      MainA[A]  = iMAOnArray(BandWidthA,0,A_MAMA,Shift,MODE_SMA, A);

      //----

      A--;

   }

   A_PerCent=PercentA[0];

   double A_DIFF=BandWidthA[0]-MainA[0];

 

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