Возврат массива из класса

class Population1
 {
 public:
 Population1(int,int);
 ~Population1();
 int ProvLife(int, int);
 void DeathOrLife();
 void CreateArray();
   // unsigned short** Output(){return a};
 private:
 unsigned short** a;
   //long stepper;
   int Xdemen, Ydemen;
};]

#include <iostream>
using std::cout;
using std::endl;
 
#include <iomanip>
using std::setw;
 
class Population1 {
public:
    Population1(int, int);
    ~Population1();
    int ProvLife(int, int);
    void DeathOrLife();
    void CreateArray();
    // unsigned short** Output(){return a};
 
    unsigned short **getPtrToMyMatrix();
 
private:
    unsigned short** a;
    //long stepper;
    int Xdemen, Ydemen;
};
 
Population1::Population1(int x, int y) :
        Xdemen(x), Ydemen(y) {
}
 
void Population1::CreateArray() {
    a = new unsigned short*[Xdemen];
    for (int i = 0; i < Xdemen; ++i) {
        a[i] = new unsigned short[Ydemen];
        for (int j = 0; j < Xdemen; ++j) {
            a[i][j] = i*Ydemen + j;
        }
    }
}
 
unsigned short **Population1::getPtrToMyMatrix() {
    return a;
}
 
Population1::~Population1() {
}
 
int main() {
 
    const int matrixSize = 4;
 
    Population1 p1(matrixSize, matrixSize);
    p1.CreateArray();
 
    unsigned short **ptrToMatrix;
 
    ptrToMatrix = p1.getPtrToMyMatrix();
 
    for (int i = 0; i < matrixSize; ++i) {
        for (int j = 0; j < matrixSize; ++j) {
            cout << setw(3) << ptrToMatrix[i][j];
        }
        cout << endl;
    }
 
    return 0;
}