Stan Math Library  2.12.0
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  namespace math {
9 
18  template <typename T>
19  inline
20  int
21  is_nan(const fvar<T>& x) {
22  return is_nan(x.val());
23  }
24 
25  }
26 }
27 #endif
T val() const
Definition: fvar.hpp:16
int is_nan(const fvar< T > &x)
Returns 1 if the input's value is NaN and 0 otherwise.
Definition: is_nan.hpp:21

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