Stan Math Library  2.20.0
reverse mode automatic differentiation
tan.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_TAN_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_TAN_HPP
3 
5 #include <cmath>
6 
7 namespace stan {
8 namespace math {
9 
16 struct tan_fun {
17  template <typename T>
18  static inline T fun(const T& x) {
19  using std::tan;
20  return tan(x);
21  }
22 };
23 
30 template <typename T>
31 inline typename apply_scalar_unary<tan_fun, T>::return_t tan(const T& x) {
33 }
34 
35 } // namespace math
36 } // namespace stan
37 
38 #endif
Structure to wrap tan() so that it can be vectorized.
Definition: tan.hpp:16
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...
static T fun(const T &x)
Definition: tan.hpp:18
fvar< T > tan(const fvar< T > &x)
Definition: tan.hpp:11
static return_t apply(const T &x)
Return the result of applying the function defined by the template parameter F to the specified matri...
var tan(const var &a)
Return the tangent of a radian-scaled variable (cmath).
Definition: tan.hpp:46

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