inline
typename boost::math::tools::promote_args<T>::type
mean(const Eigen::Matrix<T,R,C>& m) {
stan::math::check_nonzero_size("mean(%1%)",m,"m", (double*)0);
return m.mean();
}
inline
typename boost::math::tools::promote_args<T>::type
mean(const Eigen::Matrix<T,R,C>& m) {
stan::error_handling::check_nonzero_size("mean", "m", m);
return m.mean();
}