positive_free.hpp

Go to the documentation of this file.

#ifndef STAN_MATH_PRIM_CONSTRAINT_POSITIVE_FREE_HPP
#define STAN_MATH_PRIM_CONSTRAINT_POSITIVE_FREE_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/err.hpp>
#include <stan/math/prim/fun/log.hpp>
#include <cmath>
 
namespace stan {
namespace math {
 
template <typename T>
inline auto positive_free(T&& y) {
  auto&& y_ref = to_ref(std::forward<T>(y));
  check_positive("positive_free", "Positive variable", y_ref);
  return log(std::forward<decltype(y_ref)>(y_ref));
}
 
}  // namespace math
}  // namespace stan
#endif