/* Public domain */ __BEGIN_DECLS M_Rectangular M_RectangularFromSpherical(M_Spherical); M_Rectangular M_RectangularFromCylindrical(M_Cylindrical); M_Spherical M_SphericalFromRectangular(M_Rectangular); M_Spherical M_SphericalFromCylindrical(M_Cylindrical); M_Cylindrical M_CylindricalFromRectangular(M_Rectangular); M_Cylindrical M_CylindricalFromSpherical(M_Spherical); __END_DECLS