math/ones__vector_8hpp_source.html

#ifndef STAN_MATH_PRIM_FUN_ONES_VECTOR_HPP

#define STAN_MATH_PRIM_FUN_ONES_VECTOR_HPP


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

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


namespace stan {

namespace math {


inline auto ones_vector(int K) {

  check_nonnegative("ones_vector", "size", K);

  return Eigen::VectorXd::Constant(K, 1);

}


}  // namespace math

}  // namespace stan


#endif

Eigen.hpp

stan::math::check_nonnegative
void check_nonnegative(const char *function, const char *name, const T_y &y)
Check if y is non-negative.
Definition check_nonnegative.hpp:24

stan::math::ones_vector
auto ones_vector(int K)
Return a vector of ones.
Definition ones_vector.hpp:17

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