math/fwd_2fun_2trigamma_8hpp_source.html

#ifndef STAN_MATH_FWD_FUN_TRIGAMMA_HPP

#define STAN_MATH_FWD_FUN_TRIGAMMA_HPP


#include <stan/math/fwd/meta.hpp>

#include <stan/math/fwd/core.hpp>

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


namespace stan {

namespace math {


template <typename T>

inline fvar<T> trigamma(const fvar<T>& u) {

  return trigamma_impl(u);

}


}  // namespace math

}  // namespace stan

#endif

core.hpp

meta.hpp

stan::math::trigamma_impl
T trigamma_impl(const T &x)
Return the trigamma function applied to the argument.
Definition trigamma.hpp:37

stan::math::trigamma
fvar< T > trigamma(const fvar< T > &u)
Return the value of the trigamma function at the specified argument (i.e., the second derivative of t...
Definition trigamma.hpp:21

stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition fvar.hpp:9

trigamma.hpp

stan::math::fvar
This template class represents scalars used in forward-mode automatic differentiation,...
Definition fvar.hpp:40