#ifndef __BINOMIAL_H__
#define __BINOMIAL_H__




class BinomialTree
{
   struct Node
   {
         long double price;
         long double time;
         long double optionvalue;
   };

   BinomialTree::Node ** tree;
   const int n;
   long double S;
   long double volatility;
   long double upfactor;
   long double tfin;
   long double tstep;

   long double getValue (int level, int node, long double K, long double R) ;
   void        initNode (int level, int node);

  public:

   BinomialTree(long double S, long double volatility, int n, long double tstep);

   long double getValue(long double K, long double R) ;

   void        print();
};


#endif