diag_matrix.hpp

Go to the documentation of this file.

#ifndef STAN_MATH_PRIM_FUN_DIAG_MATRIX_HPP
#define STAN_MATH_PRIM_FUN_DIAG_MATRIX_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/fun/Eigen.hpp>
 
namespace stan {
namespace math {
 
template <typename EigVec, require_eigen_vector_t<EigVec>* = nullptr>
inline Eigen::Matrix<value_type_t<EigVec>, Eigen::Dynamic, Eigen::Dynamic>
diag_matrix(EigVec&& v) {
  return make_holder(
      [](auto&& v_) { return std::forward<decltype(v_)>(v_).asDiagonal(); },
      std::forward<EigVec>(v));
}
 
}  // namespace math
}  // namespace stan
 
#endif