//+------------------------------------------------------------------+
//|                                     AllStochastics_v4.1 600+.mq4 |
//|                             Copyright � 2007-14, TrendLaboratory |
//|            http://finance.groups.yahoo.com/group/TrendLaboratory |
//|                                   E-mail: igorad2003@yahoo.co.uk |
//+------------------------------------------------------------------+
// List of MAs:
// MA_Method= 0: SMA        - Simple Moving Average
// MA_Method= 1: EMA        - Exponential Moving Average
// MA_Method= 2: Wilder     - Wilder Exponential Moving Average
// MA_Method= 3: LWMA       - Linear Weighted Moving Average 
// MA_Method= 4: SineWMA    - Sine Weighted Moving Average
// MA_Method= 5: TriMA      - Triangular Moving Average
// MA_Method= 6: LSMA       - Least Square Moving Average (or EPMA, Linear Regression Line)
// MA_Method= 7: SMMA       - Smoothed Moving Average
// MA_Method= 8: HMA        - Hull Moving Average by Alan Hull
// MA_Method= 9: ZeroLagEMA - Zero-Lag Exponential Moving Average
// MA_Method=10: DEMA       - Double Exponential Moving Average by Patrick Mulloy
// MA_Method=11: T3_basic   - T3 by T.Tillson (original version)
// MA_Method=12: ITrend     - Instantaneous Trendline by J.Ehlers
// MA_Method=13: Median     - Moving Median
// MA_Method=14: GeoMean    - Geometric Mean
// MA_Method=15: REMA       - Regularized EMA by Chris Satchwell
// MA_Method=16: ILRS       - Integral of Linear Regression Slope 
// MA_Method=17: IE/2       - Combination of LSMA and ILRS 
// MA_Method=18: TriMAgen   - Triangular Moving Average generalized by J.Ehlers
// MA_Method=19: VWMA       - Volume Weighted Moving Average 
// MA_Method=20: JSmooth    - Smoothing by Mark Jurik
// MA_Method=21: SMA_eq     - Simplified SMA
// MA_Method=22: ALMA       - Arnaud Legoux Moving Average
// MA_Method=23: TEMA       - Triple Exponential Moving Average by Patrick Mulloy
// MA_Method=24: T3         - T3 by T.Tillson (correct version)
// MA_Method=25: Laguerre   - Laguerre filter by J.Ehlers


// List of Prices:
// Price    = 0 - Close  
// Price    = 1 - Open  
// Price    = 2 - High  
// Price    = 3 - Low  
// Price    = 4 - Median Price   = (High+Low)/2  
// Price    = 5 - Typical Price  = (High+Low+Close)/3  
// Price    = 6 - Weighted Close = (High+Low+Close*2)/4

#property copyright "Copyright � 2007-14, TrendLaboratory"
#property link      "http://finance.groups.yahoo.com/group/TrendLaboratory"

#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1  YellowGreen
#property indicator_width1  1 
#property indicator_color2  Coral
#property indicator_width2  1
#property indicator_style2  2   
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_level1  30
#property indicator_level2  70

//---- indicator parameters
extern int TimeFrame    =  0; // Numeric value of the TimeFrame
extern int Price        =  0; // Apply to Price(0-Close;1-Open;2-High;3-Low;4-Median price;5-Typical price;6-Weighted Close)
extern int Price_field  =  0; // 0-High/Low,1-Close/Close
extern int Sto_Period   = 20; // Period of Stochastic(or Raw %K period)
extern int Smooth       =  5; // Period of Smoothing MA (or Fast %D period)
extern int SmoothMode   =  0; // Method of Smoothing MA 
extern int Signal       =  5; // Period of Signal MA (Slow %D Period) 
extern int SignalMode   =  0; // Method of Signal MA
extern int DoubleMode   =  1; // Double Stochastic Mode: 0-off,1-on


//---- indicator buffers
double Sto[];
double Sig[];
double Sto1[];
double K1[];
double K2[];
//----
double   tmp[][3][2], ma[3][3];
int      draw_begin, smoothsize, signalsize;
datetime prevtime[4];
string   IndicatorName, TF, fast_name, slow_name;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
{
   if(TimeFrame <= Period()) TimeFrame = Period();
   
   IndicatorDigits(Digits);
//---- indicator buffers mapping
   IndicatorBuffers(5);
   SetIndexBuffer(0, Sto); SetIndexStyle(0,DRAW_LINE); 
   SetIndexBuffer(1, Sig); SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(2,Sto1);
   SetIndexBuffer(3,  K1);
   SetIndexBuffer(4,  K2);
    
   
//---- indicator name
   fast_name = averageName(SmoothMode,smoothsize);
   slow_name = averageName(SignalMode,signalsize);
   
   switch(TimeFrame)
   {
   case 1     : TF = "M1" ; break;
   case 5     : TF = "M5" ; break;
   case 15    : TF = "M15"; break;
   case 30    : TF = "M30"; break;
   case 60    : TF = "H1" ; break;
   case 240   : TF = "H4" ; break;
   case 1440  : TF = "D1" ; break;
   case 10080 : TF = "W1" ; break;
   case 43200 : TF = "MN1"; break;
   default    : TF = "Current";
   } 
   IndicatorName = WindowExpertName(); 
   IndicatorShortName(IndicatorName+"["+TF+"]("+Price+","+Sto_Period+","+fast_name+"("+Smooth+"),"+slow_name+"("+Signal+")"+","+DoubleMode+")");
   SetIndexLabel(0,"Stochastic");
   SetIndexLabel(1,"Signal");
      
   draw_begin = Sto_Period + Smooth + Signal;
   SetIndexDrawBegin(0,draw_begin);
   SetIndexDrawBegin(1,draw_begin);
   
   ArrayResize(tmp,MathMax(smoothsize,signalsize));
   
//---- initialization done
   
   return(0);
}
//+------------------------------------------------------------------+
//| AllStochastics_v4.1 600+                                         |
//+------------------------------------------------------------------+
int start()
{
   int i, shift, limit, counted_bars=IndicatorCounted();
   double up, dn;
      
   if(counted_bars > 0) limit = Bars - counted_bars - 1;
   if(counted_bars < 0) return(0);
   if(counted_bars < 1)
   { 
   limit = Bars-1;   
      for(i=limit;i>=0;i--) 
      {
      Sto[i]  = EMPTY_VALUE;
      Sig[i]  = EMPTY_VALUE;
      }
   }   
   
   if(TimeFrame != Period())
	{
   limit = MathMax(limit,TimeFrame/Period());   
      
      for(shift = 0;shift < limit;shift++) 
      {	
      int y = iBarShift(NULL,TimeFrame,Time[shift]);
      
      Sto[shift] = iCustom(NULL,TimeFrame,IndicatorName,0,Price,Price_field,Sto_Period,Smooth,SmoothMode,Signal,SignalMode,DoubleMode,0,y);
      Sig[shift] = iCustom(NULL,TimeFrame,IndicatorName,0,Price,Price_field,Sto_Period,Smooth,SmoothMode,Signal,SignalMode,DoubleMode,1,y);
      }  
	
	return(0);
	}
	else
   {
      for(shift=limit;shift>=0;shift--) 
      {
      double aPrice = iMA(NULL,0,1,0,0,Price,shift);   
      
      up = 0;
      dn = 1000000;       
      for(i=0;i<Sto_Period;i++)
      {   
         if(Price_field == 0)
         {
         up = MathMax(up,High[shift+i]);      
         dn = MathMin(dn,Low [shift+i]);
         }
         else
         {     
         up = MathMax(up,Close[shift+i]);      
         dn = MathMin(dn,Close[shift+i]);
         }
      }
   
      if(up - dn > 0) K1[shift] = 100*(aPrice - dn)/(up - dn); else K1[shift] = 0;
      
         if(DoubleMode == 0) Sto[shift] = allAverages(0,K1,Smooth,SmoothMode,smoothsize,shift);  
         else
         { 
         Sto1[shift] = allAverages(0,K1,Smooth,SmoothMode,smoothsize,shift);  
         
         up = 0;
         dn = 1000000;  
            for(i=0;i<Sto_Period;i++)
            {   
            up = MathMax(up,Sto1[shift+i]);      
            dn = MathMin(dn,Sto1[shift+i]);
            }
         
         if(up - dn > 0) K2[shift]  = 100*(Sto1[shift] - dn)/(up - dn); else K2[shift] = 0;
         Sto[shift] = allAverages(1,K2,Smooth,SmoothMode,smoothsize,shift);  
         }
           
         if(Signal > 0) 
         {
         if(Signal >  1) Sig[shift] = allAverages(2,Sto,Signal,SignalMode,signalsize,shift);
         if(Signal == 1) Sig[shift] = Sto[shift+1];
         }
      }  
   }
   
//---- done
   return(0);
}

string averageName(int mode,int& arraysize)
{   
   string ma_name = "";
   
   switch(mode)
   {
   case 1 : ma_name="EMA"       ; break;
   case 2 : ma_name="Wilder"    ; break;
   case 3 : ma_name="LWMA"      ; break;
   case 4 : ma_name="SineWMA"   ; break;
   case 5 : ma_name="TriMA"     ; break;
   case 6 : ma_name="LSMA"      ; break;
   case 7 : ma_name="SMMA"      ; break;
   case 8 : ma_name="HMA"       ; break;
   case 9 : ma_name="ZeroLagEMA"; break;
   case 10: ma_name="DEMA"      ; arraysize = 2; break;
   case 11: ma_name="T3 basic"  ; arraysize = 6; break;
   case 12: ma_name="InstTrend" ; break;
   case 13: ma_name="Median"    ; break;
   case 14: ma_name="GeoMean"   ; break;
   case 15: ma_name="REMA"      ; break;
   case 16: ma_name="ILRS"      ; break;
   case 17: ma_name="IE/2"      ; break;
   case 18: ma_name="TriMA_gen" ; break;
   case 19: ma_name="VWMA"      ; break;
   case 20: ma_name="JSmooth"   ; arraysize = 5; break;
   case 21: ma_name="SMA_eq"    ; break;
   case 22: ma_name="ALMA"      ; break;
   case 23: ma_name="TEMA"      ; arraysize = 4; break;
   case 24: ma_name="T3"        ; arraysize = 6; break;
   case 25: ma_name="Laguerre"  ; arraysize = 4; break;
   default: ma_name="SMA";
   }
   
   return(ma_name);
   
}


double allAverages(int index,double& price[],int period,int mode,int arraysize,int bar)
{
   double MA[3];  
        
    if(prevtime[index] != Time[bar])
    {
    ma[index][2]  = ma[index][1]; 
    ma[index][1]  = ma[index][0]; 
    for(int i=0;i<arraysize;i++) tmp[i][index][1] = tmp[i][index][0];
    
    prevtime[index] = Time[bar]; 
    }
   
   for(i=0;i<3;i++) MA[i] = ma[index][i];   
   
   switch(mode)
   {
   case 1 : ma[index][0] = EMA(price[bar],ma[index][1],period,bar); break;
   case 2 : ma[index][0] = Wilder(price[bar],ma[index][1],period,bar); break;  
   case 3 : ma[index][0] = LWMA(price,period,bar); break;
   case 4 : ma[index][0] = SineWMA(price,period,bar); break;
   case 5 : ma[index][0] = TriMA(price,period,bar); break;
   case 6 : ma[index][0] = LSMA(price,period,bar); break;
   case 7 : ma[index][0] = SMMA(price,ma[index][1],period,bar); break;
   case 8 : ma[index][0] = HMA(price,period,bar); break;
   case 9 : ma[index][0] = ZeroLagEMA(price,ma[index][1],period,bar); break;
   case 10: ma[index][0] = DEMA(index,0,price[bar],period,1,bar); break;
   case 11: ma[index][0] = T3_basic(index,0,price[bar],period,0.7,bar); break;
   case 12: ma[index][0] = ITrend(price,MA,period,bar); break;
   case 13: ma[index][0] = Median(price,period,bar); break;
   case 14: ma[index][0] = GeoMean(price,period,bar); break;
   case 15: ma[index][0] = REMA(price[bar],MA,period,0.5,bar); break;
   case 16: ma[index][0] = ILRS(price,period,bar); break;
   case 17: ma[index][0] = IE2(price,period,bar); break;
   case 18: ma[index][0] = TriMA_gen(price,period,bar); break;
   case 19: ma[index][0] = VWMA(price,period,bar); break;
   case 20: ma[index][0] = JSmooth(index,0,price[bar],period,1,bar); break;
   case 21: ma[index][0] = SMA_eq(price,MA,period,bar); break;
   case 22: ma[index][0] = ALMA(price,period,0.85,8,bar); break;
   case 23: ma[index][0] = TEMA(index,price[bar],period,1,bar); break;
   case 24: ma[index][0] = T3(index,0,price[bar],period,0.7,bar); break;
   case 25: ma[index][0] = Laguerre(index,price[bar],period,4,bar); break;
   default: ma[index][0] = SMA(price,period,bar); break;
   }
   
   return(ma[index][0]);
}
// MA_Method=0: SMA - Simple Moving Average
double SMA(double& array[],int per,int bar)
{
   double Sum = 0;
   for(int i = 0;i < per;i++) Sum += array[bar+i];
   
   return(Sum/per);
}                
// MA_Method=1: EMA - Exponential Moving Average
double EMA(double price,double prev,int per,int bar)
{
   if(bar >= Bars - 2) double ema = price;
   else 
   ema = prev + 2.0/(1+per)*(price - prev); 
   
   return(ema);
}
// MA_Method=2: Wilder - Wilder Exponential Moving Average
double Wilder(double price,double prev,int per,int bar)
{
   if(bar >= Bars - 2) double wilder = price; //SMA(array1,per,bar);
   else 
   wilder = prev + (price - prev)/per; 
   
   return(wilder);
}
// MA_Method=3: LWMA - Linear Weighted Moving Average 
double LWMA(double& array[],int per,int bar)
{
   double Sum = 0;
   double Weight = 0;
   
      for(int i = 0;i < per;i++)
      { 
      Weight+= (per - i);
      Sum += array[bar+i]*(per - i);
      }
   if(Weight>0) double lwma = Sum/Weight;
   else lwma = 0; 
   return(lwma);
} 
// MA_Method=4: SineWMA - Sine Weighted Moving Average
double SineWMA(double& array[],int per,int bar)
{
   double pi = 3.1415926535;
   double Sum = 0;
   double Weight = 0;
  
      for(int i = 0;i < per;i++)
      { 
      Weight+= MathSin(pi*(i+1)/(per+1));
      Sum += array[bar+i]*MathSin(pi*(i+1)/(per+1)); 
      }
   if(Weight>0) double swma = Sum/Weight;
   else swma = 0; 
   return(swma);
}
// MA_Method=5: TriMA - Triangular Moving Average
double TriMA(double& array[],int per,int bar)
{
   double sma;
   int len = MathCeil((per+1)*0.5);
   
   double sum=0;
   for(int i = 0;i < len;i++) 
   {
   sma = SMA(array,len,bar+i);
   sum += sma;
   } 
   double trima = sum/len;
   
   return(trima);
}
// MA_Method=6: LSMA - Least Square Moving Average (or EPMA, Linear Regression Line)
double LSMA(double& array[],int per,int bar)
{   
   double Sum=0;
   for(int i=per; i>=1; i--) Sum += (i-(per+1)/3.0)*array[bar+per-i];
   double lsma = Sum*6/(per*(per+1));
   return(lsma);
}
// MA_Method=7: SMMA - Smoothed Moving Average
double SMMA(double& array[],double prev,int per,int bar)
{
   if(bar == Bars - per) double smma = SMA(array,per,bar);
   else 
   if(bar < Bars - per)
   {
   double Sum = 0;
   for(int i = 0;i < per;i++) Sum += array[bar+i+1];
   smma = (Sum - prev + array[bar])/per;
   }
   
   return(smma);
}                
// MA_Method=8: HMA - Hull Moving Average by Alan Hull
double HMA(double& array[],int per,int bar)
{
   double temp[];
   int len = MathSqrt(per);
   
   ArrayResize(temp,len);
   
   if(bar == Bars - per) double hma = array[bar]; 
   else
   if(bar < Bars - per)
   {
   for(int i=0;i<len;i++) temp[i] = 2*LWMA(array,per/2,bar+i) - LWMA(array,per,bar+i);  
   hma = LWMA(temp,len,0); 
   }  

   return(hma);
}
// MA_Method=9: ZeroLagEMA - Zero-Lag Exponential Moving Average
double ZeroLagEMA(double& price[],double prev,int per,int bar)
{
   double alfa = 2.0/(1+per); 
   int lag = 0.5*(per - 1); 
   
   if(bar >= Bars - lag) double zema = price[bar];
   else 
   zema = alfa*(2*price[bar] - price[bar+lag]) + (1-alfa)*prev;
   
   return(zema);
}
// MA_Method=10: DEMA - Double Exponential Moving Average by Patrick Mulloy
double DEMA(int index,int num,double price,double per,double v,int bar)
{
   double alpha = 2.0/(1+per);
   if(bar == Bars - 2) {double dema = price; tmp[num][index][0] = dema; tmp[num+1][index][0] = dema;}
   else 
   if(bar <  Bars - 2) 
   {
   tmp[num  ][index][0] = tmp[num  ][index][1] + alpha*(price              - tmp[num  ][index][1]); 
   tmp[num+1][index][0] = tmp[num+1][index][1] + alpha*(tmp[num][index][0] - tmp[num+1][index][1]); 
   dema                 = tmp[num  ][index][0]*(1+v) - tmp[num+1][index][0]*v;
   }
   
   return(dema);
}
// MA_Method=11: T3 by T.Tillson
double T3_basic(int index,int num,double price,int per,double v,int bar)
{
   double dema1, dema2;
   if(bar == Bars - 2) 
   {
   double T3 = price; 
   for(int k=0;k<6;k++) tmp[num+k][index][0] = T3;
   }
   else 
   if(bar < Bars - 2) 
   {
   dema1 = DEMA(index,num  ,price,per,v,bar); 
   dema2 = DEMA(index,num+2,dema1,per,v,bar); 
   T3    = DEMA(index,num+4,dema2,per,v,bar);
   }
   return(T3);
}
// MA_Method=12: ITrend - Instantaneous Trendline by J.Ehlers
double ITrend(double& price[],double& array[],int per,int bar)
{
   double alfa = 2.0/(per+1);
   if(bar < Bars - 7)
   double it = (alfa - 0.25*alfa*alfa)*price[bar] + 0.5*alfa*alfa*price[bar+1] - (alfa - 0.75*alfa*alfa)*price[bar+2] +
   2*(1-alfa)*array[1] - (1-alfa)*(1-alfa)*array[2];
   else
   it = (price[bar] + 2*price[bar+1] + price[bar+2])/4;
   
   return(it);
}
// MA_Method=13: Median - Moving Median
double Median(double& price[],int per,int bar)
{
   double _array[];
   ArrayResize(_array,per);
   
   for(int i = 0; i < per;i++) _array[i] = price[bar+i];
   ArraySort(_array);
   
   int num = MathRound((per-1)/2); 
   if(MathMod(per,2) > 0) double median = _array[num]; else median = 0.5*(_array[num] + _array[num+1]);
    
   return(median); 
}
// MA_Method=14: GeoMean - Geometric Mean
double GeoMean(double& price[],int per,int bar)
{
   if(bar < Bars - per)
   { 
   double gmean = MathPow(price[bar],1.0/per); 
   for(int i = 1; i < per;i++) gmean *= MathPow(price[bar+i],1.0/per); 
   }
   
   return(gmean);
}
// MA_Method=15: REMA - Regularized EMA by Chris Satchwell 
double REMA(double price,double& array[],int per,double lambda,int bar)
{
   double alpha =  2.0/(per + 1);
   if(bar >= Bars - 3) double rema = price;
   else 
   rema = (array[1]*(1+2*lambda) + alpha*(price - array[1]) - lambda*array[2])/(1+lambda); 
   
   return(rema);
}
// MA_Method=16: ILRS - Integral of Linear Regression Slope 
double ILRS(double& price[],int per,int bar)
{
   double sum = per*(per-1)*0.5;
   double sum2 = (per-1)*per*(2*per-1)/6.0;
     
   double sum1 = 0;
   double sumy = 0;
      for(int i=0;i<per;i++)
      { 
      sum1 += i*price[bar+i];
      sumy += price[bar+i];
      }
   double num1 = per*sum1 - sum*sumy;
   double num2 = sum*sum - per*sum2;
   
   if(num2 != 0) double slope = num1/num2; else slope = 0; 
   double ilrs = slope + SMA(price,per,bar);
   
   return(ilrs);
}
// MA_Method=17: IE/2 - Combination of LSMA and ILRS 
double IE2(double& price[],int per,int bar)
{
   double ie = 0.5*(ILRS(price,per,bar) + LSMA(price,per,bar));
      
   return(ie); 
}
 
// MA_Method=18: TriMAgen - Triangular Moving Average Generalized by J.Ehlers
double TriMA_gen(double& array[],int per,int bar)
{
   int len1 = MathFloor((per+1)*0.5);
   int len2 = MathCeil((per+1)*0.5);
   double sum=0;
   for(int i = 0;i < len2;i++) sum += SMA(array,len1,bar+i);
   double trimagen = sum/len2;
   
   return(trimagen);
}

// MA_Method=19: VWMA - Volume Weighted Moving Average 
double VWMA(double& array[],int per,int bar)
{
   double Sum = 0;
   double Weight = 0;
   
      for(int i = 0;i < per;i++)
      { 
      Weight+= Volume[bar+i];
      Sum += array[bar+i]*Volume[bar+i];
      }
   if(Weight>0) double vwma = Sum/Weight;
   else vwma = 0; 
   return(vwma);
} 

// MA_Method=20: JSmooth - Smoothing by Mark Jurik
double JSmooth(int index,int num,double price,int per,double pow,int bar)
{
   double beta = 0.45*(per-1)/(0.45*(per-1)+2);
	double alpha = MathPow(beta,pow);
	if(bar == Bars - 2) {tmp[num+4][index][0] = price; tmp[num+0][index][0] = price; tmp[num+2][index][0] = price;}
	else 
   if(bar <  Bars - 2) 
   {
	tmp[num+0][index][0] = (1-alpha)*price + alpha*tmp[num+0][index][1];
	tmp[num+1][index][0] = (price - tmp[num+0][index][0])*(1-beta) + beta*tmp[num+1][index][1];
	tmp[num+2][index][0] = tmp[num+0][index][0] + tmp[num+1][index][0];
	tmp[num+3][index][0] = (tmp[num+2][index][0] - tmp[num+4][index][1])*MathPow((1-alpha),2) + MathPow(alpha,2)*tmp[num+3][index][1];
	tmp[num+4][index][0] = tmp[num+4][index][1] + tmp[num+3][index][0]; 
   }
   return(tmp[num+4][index][0]);
}

// MA_Method=21: SMA_eq     - Simplified SMA
double SMA_eq(double& price[],double& array[],int per,int bar)
{
   if(bar == Bars - per) double sma = SMA(price,per,bar);
   else 
   if(bar <  Bars - per) sma = (price[bar] - price[bar+per])/per + array[1]; 
   
   return(sma);
}                        		

// MA_Method=22: ALMA by Arnaud Legoux / Dimitris Kouzis-Loukas / Anthony Cascino
double ALMA(double& price[],int per,double offset,double sigma,int bar)
{
   double m = MathFloor(offset * (per - 1));
	double s = per/sigma;
		
	double w, sum =0, wsum = 0;		
	for (int i=0;i < per;i++) 
	{
	w = MathExp(-((i - m)*(i - m))/(2*s*s));
   wsum += w;
   sum += price[bar+(per-1-i)] * w; 
   }
   
   if(wsum != 0) double alma = sum/wsum; 
   
   return(alma);
}   

// MA_Method=23: TEMA - Triple Exponential Moving Average by Patrick Mulloy
double TEMA(int index,double price,int per,double v,int bar)
{
   double alpha = 2.0/(per+1);
	
	if(bar == Bars - 2) {tmp[0][index][0] = price; tmp[1][index][0] = price; tmp[2][index][0] = price;}
	else 
   if(bar <  Bars - 2) 
   {
	tmp[0][index][0] = tmp[0][index][1] + alpha *(price     - tmp[0][index][1]);
	tmp[1][index][0] = tmp[1][index][1] + alpha *(tmp[0][index][0] - tmp[1][index][1]);
	tmp[2][index][0] = tmp[2][index][1] + alpha *(tmp[1][index][0] - tmp[2][index][1]);
	tmp[3][index][0] = tmp[0][index][0] + v*(tmp[0][index][0] + v*(tmp[0][index][0]-tmp[1][index][0]) - tmp[1][index][0] - v*(tmp[1][index][0] - tmp[2][index][0])); 
	}
   
   return(tmp[3][index][0]);
}

// MA_Method=24: T3 by T.Tillson (correct version) 
double T3(int index,int num,double price,int per,double v,int bar)
{
   double len = MathMax((per + 5.0)/3.0-1,1), dema1, dema2;
   
   if(bar == Bars - 2) 
   {
   double T3 = price; 
   for(int k=0;k<6;k++) tmp[num+k][index][0] = T3;
   }
   else 
   if(bar < Bars - 2) 
   {
   dema1 = DEMA(index,num  ,price,len,v,bar); 
   dema2 = DEMA(index,num+2,dema1,len,v,bar); 
   T3    = DEMA(index,num+4,dema2,len,v,bar);
   }
      
   return(T3);
}

// MA_Method=25: Laguerre filter by J.Ehlers
double Laguerre(int index,double price,int per,int order,int bar)
{
   double gamma = 1-10.0/(per+9);
   double aPrice[];
   
   ArrayResize(aPrice,order);
   
   for(int i=0;i<order;i++)
   {
      if(bar >= Bars - order) tmp[i][index][0] = price;
      else
      {
         if(i == 0) tmp[i][index][0] = (1 - gamma)*price + gamma*tmp[i][index][1];
         else
         tmp[i][index][0] = -gamma * tmp[i-1][index][0] + tmp[i-1][index][1] + gamma * tmp[i][index][1];
      
      aPrice[i] = tmp[i][index][0];
      }
   }
   double laguerre = TriMA_gen(aPrice,order,0);  

   return(laguerre);
}