Stan Math Library  2.9.0
reverse mode automatic differentiation
sin.hpp
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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 
7 namespace stan {
8 
9  namespace math {
10 
11  template <typename T>
12  inline
13  fvar<T>
14  sin(const fvar<T>& x) {
15  using std::sin;
16  using std::cos;
17  return fvar<T>(sin(x.val_),
18  x.d_ * cos(x.val_));
19  }
20  }
21 }
22 #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:14

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