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;