mean.hpp

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#ifndef STAN_MATH_PRIM_FUN_MEAN_HPP
#define STAN_MATH_PRIM_FUN_MEAN_HPP
 
#include <stan/math/prim/err.hpp>
#include <stan/math/prim/fun/Eigen.hpp>
#include <stan/math/prim/functor/apply_vector_unary.hpp>
#include <vector>
 
namespace stan {
namespace math {
 
template <typename T, require_container_t<T>* = nullptr>
inline return_type_t<T> mean(const T& m) {
  check_nonzero_size("mean", "m", m);
  return apply_vector_unary<T>::reduce(m,
                                       [](const auto& a) { return a.mean(); });
}
 
}  // namespace math
}  // namespace stan
 
#endif