Stan Math Library  2.12.0
reverse mode automatic differentiation
sin.hpp
Go to the documentation of this file.
1 #ifndef STAN_MATH_FWD_SCAL_FUN_SIN_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_SIN_HPP
3 
4 #include <stan/math/fwd/core.hpp>
5 
6 namespace stan {
7  namespace math {
8 
9  template <typename T>
10  inline
11  fvar<T>
12  sin(const fvar<T>& x) {
13  using std::sin;
14  using std::cos;
15  return fvar<T>(sin(x.val_),
16  x.d_ * cos(x.val_));
17  }
18  }
19 }
20 #endif
fvar< T > cos(const fvar< T > &x)
Definition: cos.hpp:13
var sin(const var &a)
Return the sine of a radian-scaled variable (cmath).
Definition: sin.hpp:49
fvar< T > sin(const fvar< T > &x)
Definition: sin.hpp:12

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