math/uniform__simplex_8hpp_source.html

#ifndef STAN_MATH_PRIM_FUN_UNIFORM_SIMPLEX_HPP

#define STAN_MATH_PRIM_FUN_UNIFORM_SIMPLEX_HPP


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

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


namespace stan {

namespace math {


inline auto uniform_simplex(int K) {

  check_positive("uniform_simplex", "size", K);

  return Eigen::VectorXd::Constant(K, 1.0 / K);

}


}  // namespace math

}  // namespace stan


#endif

Eigen.hpp

stan::math::uniform_simplex
auto uniform_simplex(int K)
Return a uniform simplex of size K.
Definition uniform_simplex.hpp:18

stan::math::check_positive
void check_positive(const char *function, const char *name, const T_y &y)
Check if y is positive.
Definition check_positive.hpp:27

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