Stan Math Library  2.11.0
reverse mode automatic differentiation
log.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_LOG_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_LOG_HPP
3 
5 #include <cmath>
6 
7 namespace stan {
8  namespace math {
9 
16  struct log_fun {
17  template <typename T>
18  static inline T fun(const T& x) {
19  using std::log;
20  return log(x);
21  }
22  };
23 
30  template <typename T>
31  inline typename apply_scalar_unary<log_fun, T>::return_t
32  log(const T& x) {
34  }
35 
36  }
37 }
38 
39 #endif
fvar< T > log(const fvar< T > &x)
Definition: log.hpp:15
static T fun(const T &x)
Definition: log.hpp:18
Structure to wrap log() so that it can be vectorized.
Definition: log.hpp:16
var log(const var &a)
Return the natural log of the specified variable (cmath).
Definition: log.hpp:50
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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