
A model of this concept must provide:

SphericalKernel::Polynomial_1_3  operator() (const SphericalKernel::Plane_3 &p) 
 Returns the equation of the plane.


SphericalKernel::Polynomial_for_spheres_2_3  operator() (const SphericalKernel::Sphere_3 &p) 
 Returns the equation of the sphere.


SphericalKernel::Polynomials_for_line_3  operator() (const SphericalKernel::Line_3 &c) 
 Returns the equations of the line.


SphericalKernel::Polynomials_for_circle_3  operator() (const SphericalKernel::Circle_3 &c) 
 Returns the equations of the circle.

