math/prim_2fun_2row_8hpp_source.html

#ifndef STAN_MATH_PRIM_FUN_ROW_HPP

#define STAN_MATH_PRIM_FUN_ROW_HPP


#include <stan/math/prim/err.hpp>

#include <stan/math/prim/fun/Eigen.hpp>


namespace stan {

namespace math {


template <typename T, require_matrix_t<T>* = nullptr>

inline auto row(const T& m, size_t i) {

  check_row_index("row", "i", m, i);


  return m.row(i - 1);

}


}  // namespace math

}  // namespace stan


#endif

Eigen.hpp

stan::math::row
auto row(T_x &&x, size_t j)
Return the specified row of the specified kernel generator expression using start-at-1 indexing.
Definition row.hpp:23

stan::math::check_row_index
void check_row_index(const char *function, const char *name, const T_y &y, size_t i)
Check if the specified index is a valid row of the matrix This check is 1-indexed by default.
Definition check_row_index.hpp:25

stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15

err.hpp