t0 = X1^2 t1 = Y1^2 t2 = X1^4 t3 = Y1^4 t4 = 1/d1 t5 = d2*t4 t6 = t0+t1 t7 = t2+t3 t8 = Y1^2 t9 = Y1^4 t10 = X1^2 t11 = Y1^2 t12 = t5*t7 t13 = d2*t6 t14 = d1+t13 t15 = t14+t8 t16 = t15+t9 t17 = d1+t10 t18 = t17+t11 t19 = t18+t12 t20 = 1/t19 t21 = t16*t20 X3 = 1+t21 t22 = X1^2 t23 = Y1^2 t24 = X1^4 t25 = Y1^4 t26 = 1/d1 t27 = d2*t26 t28 = t22+t23 t29 = t24+t25 t30 = X1^2 t31 = X1^4 t32 = X1^2 t33 = Y1^2 t34 = t27*t29 t35 = d2*t28 t36 = d1+t35 t37 = t36+t30 t38 = t37+t31 t39 = d1+t32 t40 = t39+t33 t41 = t40+t34 t42 = 1/t41 t43 = t38*t42 Y3 = 1+t43