#include <iostream.h>


// --------------------------------------------- Class with a member function
class Matrix3x3
{
public:
   float A[3][3];

   void AddMat(float x)
   {
      int i, j;

      cout << "Calling Matrix3x3.AddMat(float)" << endl;

      for (i = 0; i < 3; i = i + 1)
         for (j = 0; j < 3; j = j + 1)       
            A[i][j] = A[i][j] + x;
   };
};
// -----------------------------------------------------------------------

void AddMat(Matrix3x3 & M, float x)
{
   int i, j;

   cout << "Calling AddMat(Matrix3x3, float)" << endl;

   for (i = 0; i < 3; i = i + 1)
      for (j = 0; j < 3; j = j + 1)
         M.A[i][j] = M.A[i][j] + x;
};


// -----------------------------------------------------------------------

void Print(Matrix3x3 *p)
{
   int i, j;

   for (i = 0; i < 3; i = i + 1)
   {
      for (j = 0; j < 3; j = j + 1)
         cout << p->A[i][j] << "\t";
      cout << "\n";
   }
   cout << "\n";
};


int main(int argc, char *argv[])
{
   Matrix3x3 M;
   int i, j, k;

   k = 1;
   for (i = 0; i < 3; i = i + 1)
      for (j = 0; j < 3; j = j + 1)
      {
         M.A[i][j] = k;
         k = k + 1;
      }

   Print(&M);

   AddMat(M, 4);           // Calls non-member function

   Print(&M);

   M.AddMat(4);            // Calls member function

   Print(&M);
}