Stan Math Library  2.12.0
reverse mode automatic differentiation
digamma.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_DIGAMMA_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_DIGAMMA_HPP
3 
5 #include <boost/math/special_functions/digamma.hpp>
6 
7 namespace stan {
8  namespace math {
9 
17  struct digamma_fun {
18  template <typename T>
19  static inline T fun(const T& x) {
21  return digamma(x);
22  }
23  };
24 
32  template <typename T>
33  inline typename apply_scalar_unary<digamma_fun, T>::return_t
34  digamma(const T& x) {
36  }
37 
38  }
39 }
40 
41 #endif
Structure to wrap digamma() so it can be vectorized.
Definition: digamma.hpp:17
var digamma(const var &a)
Definition: digamma.hpp:24
static T fun(const T &x)
Definition: digamma.hpp:19
static return_t apply(const T &x)
Return the result of applying the function defined by the template parameter F to the specified matri...
fvar< T > digamma(const fvar< T > &x)
Definition: digamma.hpp:15

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