Stan Math Library  2.11.0
reverse mode automatic differentiation
is_nan.hpp
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1 #ifndef STAN_MATH_FWD_SCAL_FUN_IS_NAN_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_IS_NAN_HPP
3 
4 #include <stan/math/fwd/core.hpp>
6 
7 namespace stan {
8 
9  namespace math {
10 
19  template <typename T>
20  inline
21  int
22  is_nan(const fvar<T>& x) {
23  using stan::math::is_nan;
24  return is_nan(x.val());
25  }
26 
27  }
28 }
29 
30 #endif
T val() const
Definition: fvar.hpp:17
int is_nan(const fvar< T > &x)
Returns 1 if the input's value is NaN and 0 otherwise.
Definition: is_nan.hpp:22

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