Automatic Differentiation
 
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trigamma.hpp
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1#ifndef STAN_MATH_REV_FUN_TRIGAMMA_HPP
2#define STAN_MATH_REV_FUN_TRIGAMMA_HPP
3
4#include <stan/math/rev/meta.hpp>
5#include <stan/math/rev/core.hpp>
6#include <stan/math/rev/fun/floor.hpp>
7#include <stan/math/rev/fun/sin.hpp>
8#include <stan/math/rev/fun/square.hpp>
9#include <stan/math/rev/fun/inv_square.hpp>
10#include <stan/math/prim/fun/trigamma.hpp>
11
12namespace stan {
13namespace math {
14
23inline var trigamma(const var& u) { return trigamma_impl(u); }
24
25} // namespace math
26} // namespace stan
27#endif
stan::math::var_value< double >
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 unit_vector_constrain.hpp:15
inv_square.hpp