Stan Math Library  2.15.0
reverse mode automatic differentiation
log2.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_LOG2_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_LOG2_HPP
3 
6 
7 namespace stan {
8  namespace math {
9 
13  struct log2_fun {
21  template <typename T>
22  static inline T fun(const T& x) {
23  return log2(x);
24  }
25  };
26 
37  template <typename T>
39  log2(const T& x) {
41  }
42 
43  }
44 }
45 
46 #endif
static T fun(const T &x)
Return the base two logarithm of the specified argument.
Definition: log2.hpp:22
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...
Structure to wrap log2() so it can be vectorized.
Definition: log2.hpp:13
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 > log2(const fvar< T > &x)
Return the base two logarithm of the specified argument.
Definition: log2.hpp:19

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