(a,b,N,tau)=(1.0,0.5,4,1): C cap E*: x^2 = 0.85333333, y^2 = -0.0033333333 -> 4 distinct points: True
(a,b,N,tau)=(1.0,0.8,6,1): C cap E*: x^2 = 1.7887686, y^2 = -0.54383038 -> 4 distinct points: True
(a,b,N,tau)=(2.0,1.2,8,3): C cap E*: x^2 = 2.5723823, y^2 = -1.4936714e-5 -> 4 distinct points: True
(a,b,N,tau)=(1.0,0.3,7,2): C cap E*: x^2 = 0.91450995, y^2 = -5.5740214e-6 -> 4 distinct points: True
(a,b,N,tau)=(3.0,1.0,10,3): C cap E*: x^2 = 8.0372153, y^2 = -4.3180288e-5 -> 4 distinct points: True
worst |side of P'' tangent to E*| residual: 6.57e-46
worst |tangential polygon of P'' = P| residual: 3.35e-48
