Stochastic_RSI_2.mq4

//+------------------------------------------------------------------+
//|                                                   Stochastic RSI |
//|                                                           mladen |
//+------------------------------------------------------------------+
#property copyright "www.forex-tsd.com"
#property link      "www.forex-tsd.com"

#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1  DeepSkyBlue
#property indicator_color2  PaleVioletRed
#property indicator_width1  2
#property indicator_style2  STYLE_DOT
#property indicator_level2  20
#property indicator_level1  80
#property indicator_minimum 0
#property indicator_maximum 100

//
//
//
//
//

extern int    RsiPeriod                 = 14;
extern int    RsiPrice                  = PRICE_CLOSE;
extern int    StochasticKPeriod         = 14;
extern int    StochasticSlowing         =  3;
extern int    StochasticSlowingMaMethod =  MODE_SMA;
extern int    StochasticDPeriod         =  3;
extern int    StochasticDMaMethod       =  MODE_SMA;

//
//
//
//
//

double stochRsi[];
double stochRsiSignal[];
double rsi[];
double stoch[];

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
//
//
//
//
//

int init()
{
   IndicatorBuffers(4);
   SetIndexBuffer(0,stochRsi);
   SetIndexBuffer(1,stochRsiSignal);
   SetIndexBuffer(2,rsi);
   SetIndexBuffer(3,stoch);

      //
      //
      //
      //
      //
      
   IndicatorShortName("Stochastic RSI ("+RsiPeriod+","+StochasticKPeriod+","+StochasticSlowing+","+StochasticDPeriod+")");
   return(0);
}
int deinit() { return(0);}

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
//
//
//
//
//

int start()
{
   int counted_bars=IndicatorCounted();
   int i,limit;

   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
           limit=MathMin(Bars-counted_bars,Bars-1);

   //
   //
   //
   //
   //
   
   for(i=limit; i>=0; i--)
   {
      rsi[i] = iRSI(NULL,0,RsiPeriod,RsiPrice,i);
               double min = rsi[ArrayMinimum(rsi,StochasticKPeriod,i)];
               double max = rsi[ArrayMaximum(rsi,StochasticKPeriod,i)];
      stoch[i] = 0; if (min!=max) stoch[i] = 100.0*(rsi[i]-min)/(max-min);
   }
   for(i=limit; i>=0; i--) stochRsi[i]       = MathMin(MathMax(iMAOnArray(stoch   ,0,StochasticSlowing,0,StochasticSlowingMaMethod,i),0),100);
   for(i=limit; i>=0; i--) stochRsiSignal[i] = MathMin(MathMax(iMAOnArray(stochRsi,0,StochasticDPeriod,0,StochasticDMaMethod      ,i),0),100);
   return(0);
}