OptBuf.h

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#ifndef _OPT_BUF_H
#define _OPT_BUF_H
#include "BitMap.h"

template <class IT, class NT>
class OptBuf
{
public:
        OptBuf(): isthere(NULL), p_c(0), totmax(0), localm(0) {};
        void MarkEmpty()
        {
                if(totmax > 0)
                {
                //      fill(isthere, isthere+localm, false);
                        isthere->reset();
                }
        }
        
        void Set(const vector<int> & maxsizes, int mA) 
        {
                p_c =  maxsizes.size(); 
                totmax = accumulate(maxsizes.begin(), maxsizes.end(), 0);
                inds = new IT[totmax];
                fill_n(inds, totmax, -1);
                nums = new NT[totmax];
                dspls = new int[p_c]();
                partial_sum(maxsizes.begin(), maxsizes.end()-1, dspls+1);
                localm = mA;
                //isthere = new bool[localm];
                //fill(isthere, isthere+localm, false);
                isthere = new BitMap(localm);
        };
        ~OptBuf()
        {       if(localm > 0)
                {
                        //delete [] isthere;
                        delete isthere;
                }
                
                if(totmax > 0)
                {
                        delete [] inds;
                        delete [] nums;
                }
                if(p_c > 0)
                        delete [] dspls;
        }
        OptBuf(const OptBuf<IT,NT> & rhs)
        {
                p_c = rhs.p_c;
                totmax = rhs.totmax;
                localm = rhs.localm;
                inds = new IT[totmax];
                nums = new NT[totmax];
                dspls = new int[p_c](); 
                //isthere = new bool[localm];
                //fill(isthere, isthere+localm, false);
                isthere = new BitMap(localm);
        }
        OptBuf<IT,NT> & operator=(const OptBuf<IT,NT> & rhs)
        {
                if(this != &rhs)
                {
                        if(localm > 0)
                        {
                                //delete [] isthere;
                                delete isthere;
                        }
                        if(totmax > 0)
                        {
                                delete [] inds;
                                delete [] nums;
                        }
                        if(p_c > 0)
                                delete [] dspls;
        
                        p_c = rhs.p_c;
                        totmax = rhs.totmax;
                        localm = rhs.localm;
                        inds = new IT[totmax];
                        nums = new NT[totmax];
                        dspls = new int[p_c](); 
                        isthere = new BitMap(*(rhs.isthere));
                }
                return *this;
        }
        
        IT * inds;      
        NT * nums;      
        int * dspls;
        //bool * isthere;
        BitMap * isthere;
        int p_c;
        int totmax;
        int localm;
};

#endif