rpn.h

#ifndef RPN_Class
#define RPN_Class
 
#include <cmath>
#include <stdlib.h>
#include <string>
#include "nodes.h"
extern node Nodes[TOTAL_NODES];
typedef unsigned int uint;
 
class RPN
{
public:
    int *m_pExpression[MAX_TREES], *m_pEdited;  // zapis originalnih odnosno editiranog stabla
    uint m_iExprSize, m_iEditSize;
    double m_pTermValues[TERMINALS+OFFSET];
    double m_dTermValuesArray[TERMINALS+OFFSET][MAX_JOBS];  // vrijednosti terminala za vektorsku evaluaciju
    int m_iTermNum;
    double m_pNodeFreq[TOTAL_NODES];    // double zbog lakseg kopiranja u matricu
    uint m_iArraySize;  // velicina polja za zajednicku evaluaciju
    uint m_iOffset, m_iEnd; // pocetni i krajnji element u polju indeksa poslova za koje se racuna stablo
    uint *pIndex;           // polje indeksa poslova - svim terminalima pristupa se preko toga polja
    int m_iPosition, m_iEditedPos;  // pozicija u originalnom odnosno editiranom stablu
    uint m_nTree;       // oznacava aktivno stablo (default = 0)
    std::string m_output;
    
    double evaluate();
    void evaluate_array(double dResult[]);
    int edit();
    void copy();
    void ResetNodeFreq();
    void write();
    void r_write();
    
    RPN()
    {   for(int i=0; i<MAX_TREES; i++)
            m_pExpression[i] = NULL;
        m_pEdited = NULL;
        m_pTermValues[NUL] = 0;
        m_pTermValues[ONE] = 1;
        for(int i=0; i<MAX_JOBS; i++)
        {   m_dTermValuesArray[NUL][i] = 0;
            m_dTermValuesArray[ONE][i] = 1;
        }
        m_iTermNum = TERMINALS+OFFSET;
        ResetNodeFreq();        // brojace terminala stavljamo na nulu
        m_nTree = 0;            
    }
    ~RPN()
    {   for(int i=0; i<MAX_TREES; i++)
            if(m_pExpression[i] != NULL) delete [] m_pExpression[i];
        if(m_pEdited != NULL) delete [] m_pEdited;
    }
    void SetExprSize(uint _size)
    {   for(int i=0; i<MAX_TREES; i++)
        {   if(m_pExpression[i] != NULL) delete [] m_pExpression[i];
            m_pExpression[i] = new int[_size];
        }
        if(m_pEdited != NULL) delete [] m_pEdited;
        m_pEdited = new int[_size];
        m_iExprSize = _size;
    }
    void SetTermArraySize(uint _size)
    {   /*int i;
        for(i=0; i<TERMINALS+OFFSET; i++)
        {   if(m_pTermValuesArray[i])
                delete [] m_pTermValuesArray[i];
            m_pTermValuesArray[i] = new double[_size];
        }*/
        m_iArraySize = m_iEnd = _size;
    }
};
 
#endif // RPN