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intersection_points_of_two_conics(p1, p2, p3, p4, c1, c2) finds the intersection points of the two conics c1 and c2 and writes them in the four points p1, p2, p3 and p4.

The behaviour of this function is system dependent; those DGS which allow for complex coordinates are free to always return 4 points, and algebraic multiplicities might be taken into account in order to decide whether to return a duplicated point.

Actually, c1 and c2 do not have to be conics, they could be any kind of member in the conic_family. See Intersection of extended elements.


At least one example should be provided