math/prim_2fun_2col_8hpp_source.html

#ifndef STAN_MATH_PRIM_FUN_COL_HPP

#define STAN_MATH_PRIM_FUN_COL_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 col(const T& m, size_t j) {

  check_column_index("col", "j", m, j);

  return m.col(j - 1);

}


}  // namespace math

}  // namespace stan


#endif

Eigen.hpp

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

stan::math::check_column_index
void check_column_index(const char *function, const char *name, const T_y &y, size_t i)
Check if the specified index is a valid column of the matrix.
Definition check_column_index.hpp:30

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