35 double** do3x3smooth ( double** arr, int nArr )  in do3x3smooth()  argument
44       double s =   arr[i-1][j-1] + arr[i-1][j  ] + arr[i-1][j+1]  in do3x3smooth()
45                  + arr[i  ][j-1] + arr[i  ][j  ] + arr[i  ][j+1]  in do3x3smooth()
46                  + arr[i+1][j-1] + arr[i+1][j  ] + arr[i+1][j+1];  in do3x3smooth()
53 double sum ( double** arr, int nArr )  in sum()  argument
60       s += arr[i][j];  in sum()
66 void setup_arr ( /*OUT*/double** arr, int nArr )  in setup_arr()  argument
72       arr[i][j] = (double)(i * j);  in setup_arr()
74          unsigned char* p = (unsigned char*)&arr[i][j];  in setup_arr()
85   double r, **arr, **arr2, **arr3;  in main()  local
86   arr = alloc_square_array(nArr);  in main()
87   setup_arr( arr, nArr );  in main()
88   arr2 = do3x3smooth( arr, nArr );  in main()