Automatic Differentiation
 
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is_nan.hpp
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1#ifndef STAN_MATH_FWD_FUN_IS_NAN_HPP
2#define STAN_MATH_FWD_FUN_IS_NAN_HPP
3
4#include <stan/math/fwd/meta.hpp>
5#include <stan/math/fwd/core.hpp>
6#include <stan/math/prim/meta.hpp>
7#include <stan/math/prim/fun/is_nan.hpp>
8
9namespace stan {
10namespace math {
11
21template <typename T, require_fvar_t<T>* = nullptr>
22inline bool is_nan(T&& x) {
23 return is_nan(std::forward<decltype(x.val())>(x.val()));
24}
25
26} // namespace math
27} // namespace stan
28#endif
stan::math::is_nan
bool is_nan(T &&x)
Returns 1 if the input's value is NaN and 0 otherwise.
Definition is_nan.hpp:22
stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15
is_nan.hpp