assign.hpp

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#ifndef STAN_MATH_PRIM_FUN_ASSIGN_HPP
#define STAN_MATH_PRIM_FUN_ASSIGN_HPP
 
#include <stan/math/prim/err.hpp>
#include <stan/math/prim/fun/Eigen.hpp>
#include <iostream>
#include <sstream>
#include <stdexcept>
#include <string>
#include <vector>
 
namespace stan {
namespace math {
 
template <int N>
inline void print_mat_size(std::ostream& o) {
  if (N == Eigen::Dynamic) {
    o << "dynamically sized";
  } else {
    o << N;
  }
}
 
template <typename T_lhs, typename T_rhs,
          require_all_stan_scalar_t<T_lhs, T_rhs>* = nullptr>
inline void assign(T_lhs& x, const T_rhs& y) {
  x = y;
}
 
template <typename T_lhs, typename T_rhs,
          require_all_eigen_t<T_lhs, T_rhs>* = nullptr>
inline void assign(T_lhs&& x, const T_rhs& y) {
  check_matching_dims("assign", "left-hand-side", x, "right-hand-side", y);
  x = y.template cast<value_type_t<T_lhs>>();
}
 
template <typename T_lhs, typename T_rhs>
inline void assign(std::vector<T_lhs>& x, const std::vector<T_rhs>& y) {
  check_matching_sizes("assign", "left-hand side", x, "right-hand side", y);
  for (size_t i = 0; i < x.size(); ++i) {
    assign(x[i], y[i]);
  }
}
 
}  // namespace math
}  // namespace stan
 
#endif