/*	Public domain	*/

__BEGIN_DECLS
M_Sphere M_SphereRead(AG_DataSource *_Nonnull);
void     M_SphereWrite(AG_DataSource *_Nonnull, M_Sphere *_Nonnull);

M_Sphere M_SphereFromPt(M_Vector3, M_Real);
M_Real   M_SpherePointDistance(M_Sphere, M_Vector3);
M_Real   M_SphereSurfaceArea(M_Sphere);
M_Real   M_SphereVolume(M_Sphere);
__END_DECLS