const QUAD_DATA = [
[(0.0,),
(2.0,)],
[(-0.5773502691896258, 0.5773502691896258,),
(1.0, 1.0,)],
[(-0.7745966692414834, 0.0, 0.7745966692414834,),
(0.5555555555555556, 0.8888888888888888, 0.5555555555555556,)],
[(-0.8611363115940526, -0.3399810435848563, 0.3399810435848563, 0.8611363115940526,),
(0.34785484513745385, 0.6521451548625462, 0.6521451548625462, 0.34785484513745385,)],
[(-0.906179845938664, -0.5384693101056831, 0.0, 0.5384693101056831, 0.906179845938664,),
(0.23692688505618908, 0.47862867049936647, 0.5688888888888889, 0.47862867049936647, 0.23692688505618908,)],
]
