Stan Math Library  2.14.0
reverse mode automatic differentiation
acos.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_ACOS_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_ACOS_HPP
3 
5 #include <cmath>
6 
7 namespace stan {
8  namespace math {
9 
16  struct acos_fun {
17  template <typename T>
18  static inline T fun(const T& x) {
19  using std::acos;
20  return acos(x);
21  }
22  };
23 
30  template <typename T>
32  acos(const T& x) {
34  }
35 
36  }
37 }
38 
39 #endif
Structure to wrap acos() so it can be vectorized.
Definition: acos.hpp:16
var acos(const var &a)
Return the principal value of the arc cosine of a variable, in radians (cmath).
Definition: acos.hpp:59
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: acos.hpp:18
fvar< T > acos(const fvar< T > &x)
Definition: acos.hpp:14
static return_t apply(const T &x)
Return the result of applying the function defined by the template parameter F to the specified matri...

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