1  typedef int *lambda_vector;
       2  typedef lambda_vector *lambda_matrix;
       3  void
       4  lambda_vector_add_mc (lambda_vector vec1, int const1,
       5  		      lambda_vector vec2, int const2,
       6  		      lambda_vector vec3, int size)
       7  {
       8    int i;
       9    for (i = 0; i < size; i++)
      10      vec3[i] = const1 * vec1[i] + const2 * vec2[i];
      11  }
      12  void
      13  lambda_matrix_add_mc (lambda_matrix mat1, int const1,
      14  		      lambda_matrix mat2, int const2,
      15  		      lambda_matrix mat3, int m, int n)
      16  {
      17    int i;
      18    for (i = 0; i < m; i++)
      19      lambda_vector_add_mc (mat1[i], const1, mat2[i], const2, mat3[i], n);
      20  }