Stan Math Library  2.15.0
reverse mode automatic differentiation
cosh.hpp
Go to the documentation of this file.
1 #ifndef STAN_MATH_FWD_SCAL_FUN_COSH_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_COSH_HPP
3 
4 #include <stan/math/fwd/core.hpp>
5 #include <cmath>
6 
7 namespace stan {
8  namespace math {
9 
10  template <typename T>
11  inline
12  fvar<T>
13  cosh(const fvar<T>& x) {
14  using std::sinh;
15  using std::cosh;
16  return fvar<T>(cosh(x.val_), x.d_ * sinh(x.val_));
17  }
18 
19  }
20 }
21 #endif
fvar< T > cosh(const fvar< T > &x)
Definition: cosh.hpp:13
var cosh(const var &a)
Return the hyperbolic cosine of the specified variable (cmath).
Definition: cosh.hpp:50
fvar< T > sinh(const fvar< T > &x)
Definition: sinh.hpp:12

     [ Stan Home Page ] © 2011–2016, Stan Development Team.