Stan Math Library  2.15.0
reverse mode automatic differentiation
expm1.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_EXPM1_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_EXPM1_HPP
3 
5 #include <boost/math/special_functions/expm1.hpp>
6 
7 namespace stan {
8  namespace math {
9 
16  struct expm1_fun {
17  template <typename T>
18  static inline T fun(const T& x) {
19  using boost::math::expm1;
20  return expm1(x);
21  }
22  };
23 
30  template <typename T>
32  expm1(const T& x) {
34  }
35 
36  }
37 }
38 
39 #endif
Structure to wrap expm1() so that it can be vectorized.
Definition: expm1.hpp:16
fvar< T > expm1(const fvar< T > &x)
Definition: expm1.hpp:12
Eigen::Matrix< scalar_t, T::RowsAtCompileTime, T::ColsAtCompileTime > return_t
Return type for applying the function elementwise to a matrix expression template of type T...
static T fun(const T &x)
Definition: expm1.hpp:18
var expm1(const var &a)
The exponentiation of the specified variable minus 1 (C99).
Definition: expm1.hpp:49
static return_t apply(const T &x)
Return the result of applying the function defined by the template parameter F to the specified matri...

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