1#ifndef STAN_MATH_PRIM_FUN_ONES_ROW_VECTOR_HPP
2#define STAN_MATH_PRIM_FUN_ONES_ROW_VECTOR_HPP
19 return Eigen::RowVectorXd::Constant(K, 1);
auto ones_row_vector(int K)
Return a row vector of ones.
void check_nonnegative(const char *function, const char *name, const T_y &y)
Check if y is non-negative.
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...