fp t27,
   t26,
   t18,
   t28,
   t21,
   t34,
   t33,
   t23,
   t15,
   t22,
   t32,
   t17,
   t31,
   t14,
   t30,
   t25,
   t20,
   t29,
   t19,
   t16,
   t13,
   t12;
      t27 = x*x;
      t26 = RATIONAL(1.0,6.0);
      t18 = t26*t27;
      t28 = y*y;
      t21 = t26*t28;
      t34 = t18+t21+RATIONAL(-1.0,9.0);
      t33 = x*y;
      t23 = RATIONAL(-1.0,3.0);
      t15 = t23*t28;
      t22 = RATIONAL(2.0,9.0);
      t32 = t15+t18+t22;
      t17 = t23*t27;
      t31 = t17+t21+t22;
      t14 = t26*y;
      t30 = t14+t34;
      t25 = RATIONAL(-1.0,6.0);
      t20 = t25*y;
      t29 = t20+t34;
      t19 = t25*x;
      t16 = t26*x;
      t13 = RATIONAL(1.0,4.0)*t33;
      t12 = RATIONAL(-1.0,4.0)*t33;
      coeff_I_m1_m1 = t13+t19+t29;
      coeff_I_0_m1 = t20+t31;
      coeff_I_p1_m1 = t12+t16+t29;
      coeff_I_m1_0 = t19+t32;
      coeff_I_0_0 = t15+RATIONAL(5.0,9.0)+t17;
      coeff_I_p1_0 = t16+t32;
      coeff_I_m1_p1 = t19+t12+t30;
      coeff_I_0_p1 = t14+t31;
      coeff_I_p1_p1 = t16+t13+t30;