1 #ifndef STAN_MATH_FWD_MAT_FUN_SUM_HPP
2 #define STAN_MATH_FWD_MAT_FUN_SUM_HPP
20 template <
typename T,
int R,
int C>
24 Eigen::Matrix<T, Eigen::Dynamic, 1> vals(m.size());
25 Eigen::Matrix<T, Eigen::Dynamic, 1> tans(m.size());
26 for (
int i = 0; i < m.size(); ++i) {
28 tans(i) = m(i).tangent();
fvar< T > sum(const std::vector< fvar< T > > &m)
Return the sum of the entries of the specified standard vector.