distance_plane_sphere.h

// Description: Distance between a plane and a sphere

#ifndef PASTELGEOMETRY_DISTANCE_PLANE_SPHERE_H
#define PASTELGEOMETRY_DISTANCE_PLANE_SPHERE_H

#include "pastel/geometry/shape/plane.h"
#include "pastel/geometry/shape/sphere.h"

namespace Pastel
{

    //! Computes the squared distance between a plane and a sphere.
    /*!
   This is a convenience function which returns
   std::sqrt(distance2(plane, sphere)).
   */
    template <typename Real, integer N>
    Real distance(
        const Plane<Real, N>& plane,
        const Sphere<Real, N>& sphere);

    //! Squared Euclidean distance between a plane and a sphere.
    /*!
   Preconditions:
   plane.n() == sphere.n()

   Time complexity:
   O(n), where n is the dimension.
   */
    template <typename Real, integer N>
    Real distance2(
        const Plane<Real, N>& plane,
        const Sphere<Real, N>& sphere);

}

#include "pastel/geometry/distance/distance_plane_sphere.hpp"

#endif