int __cdecl ON_EvPrincipalCurvatures(class ON_3dVector const &, class ON_3dVector const &, class ON_3dVector const &, class ON_3dVector const &, class ON_3dVector const &, class ON_3dVector const &, double *, double *, double *, double *, class ON_3dVector &, class ON_3dVector &)