T3_iAnchMom_v2

//+------------------------------------------------------------------+
//|                                                 T3_iAnchMom.mq4  |
//|                                       Ramdass - Conversion only  |
//+------------------------------------------------------------------+
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 Teal
//---- input parameters
extern int EMA_period=3;
extern int MomPeriod=8;
extern int CountBars=300;
//---- buffers
double MomBuffer[];
double e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12;
double c1,c2,c3,c4;
double n,n1,w1,w2,b2,b3,w3,w4,b;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicator line
   IndicatorBuffers(1);
   SetIndexBuffer(0, MomBuffer);
   SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2,Teal);
   //   SetIndexDrawBegin(0,Bars-CountBars+(MomPeriod*2)*EMA_period);
//---- name for DataWindow and indicator subwindow label
   //   short_name="iAnchMom("+MomPeriod+")";
   //   IndicatorShortName(short_name);
   //   SetIndexLabel(0,short_name);
//---- variable reset
/*e1=0; e2=0; e3=0; e4=0; e5=0; e6=0;
c1=0; c2=0; c3=0; c4=0; 
n=0;n1=0; 
w1=0; w2=0; w3=0; w4=0; 
b2=0; b3=0;*/
   b=0.7;
   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=EMA_period;
   n1=MomPeriod + MomPeriod + 1;
//----
   if (n<1) n=1;
   n=1 + 0.5*(n-1);
   w1=2/(n + 1);
   w2=1 - w1;
   if (n1<1) n1=1;
   n1=1 + 0.5*(n1-1);
   w3=2/(n1 + 1);
   w4=1 - w3;
   return(0);
  }
//+------------------------------------------------------------------+
//| T3_iAnchMom                                                      |
//+------------------------------------------------------------------+
int start()
  {
   SetIndexDrawBegin(0,Bars-CountBars+(MomPeriod*2)*EMA_period);
   int i,counted_bars=IndicatorCounted();
   double a,c;
   //   int SMA_Period = MomPeriod + MomPeriod + 1;
   if(Bars<=n1) return(0);
//---- initial zero
   if(counted_bars<n1)
      for(i=1;i<=n1;i++) MomBuffer[Bars-i]=0.0;
//----
   i=CountBars-1;
   if(counted_bars>=1) i=CountBars-counted_bars-1;
   while(i>=0)
     {
      e1=w1*Close[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;
      //
      a=c1*e6 + c2*e5 + c3*e4 + c4*e3;
      //
      e7=w3*Close[i] + w4*e7;
      e8=w3*e7 + w4*e8;
      e9=w3*e8 + w4*e9;
      e10=w3*e9 + w4*e10;
      e11=w3*e10 + w4*e11;
      e12=w3*e11 + w4*e12;
      //
      c=c1*e12 + c2*e11 + c3*e10 + c4*e9;
      //a = iMA(NULL,0,EMA_period,0, MODE_EMA,PRICE_CLOSE, i);
      //b = iMA(NULL,0,SMA_Period,0, MODE_SMA, PRICE_CLOSE, i);
      MomBuffer[i]= 100*((a/c)-1);
      i--;
     }
   return(0);
  }
//+------------------------------------------------------------------+