Stan Math Library  2.14.0
reverse mode automatic differentiation
asinh.hpp
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1 #ifndef STAN_MATH_FWD_SCAL_FUN_ASINH_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_ASINH_HPP
3 
4 #include <stan/math/fwd/core.hpp>
7 #include <cmath>
8 
9 namespace stan {
10  namespace math {
11 
12  template <typename T>
13  inline fvar<T> asinh(const fvar<T>& x) {
14  using std::sqrt;
15  return fvar<T>(asinh(x.val_), x.d_ / sqrt(square(x.val_) + 1));
16  }
17 
18  }
19 }
20 #endif
fvar< T > sqrt(const fvar< T > &x)
Definition: sqrt.hpp:14
fvar< T > square(const fvar< T > &x)
Definition: square.hpp:14
fvar< T > asinh(const fvar< T > &x)
Definition: asinh.hpp:13

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