#pragma once
#include "ArrayDb.h"
class LimitArr :
    public ArrayDb
{
protected:
    int low_bnd;
public:
    LimitArr();
    virtual ~LimitArr();
    LimitArr(int n, double val = 0.0);
    LimitArr(int n, int lb, double val = 0.0);
    //where lb is lower bond of array
    LimitArr(const double * pn, int n, int lb = 0);
    LimitArr(const LimitArr & a);
    LimitArr(const ArrayDb & a);
    void new_lb(int lb) { low_bnd = lb; }
        // reset lower bound
    int lbound() {
        return low_bnd;
    } // return lower bound
    int ubound() {
        return low_bnd + arsize() - 1;
    } // return upper bound
    virtual double & operator[](int i); // array indexing
    virtual const double & operator[](int i) const; // array indexing (no =)
};