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std_isnan.hpp
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1 #ifndef STAN_MATH_REV_CORE_STD_ISNAN_HPP
2 #define STAN_MATH_REV_CORE_STD_ISNAN_HPP
3
4 #include <stan/math/rev/core/var.hpp>
5 #include <cmath>
6
7 namespace std {
8
18 inline int isnan(const stan::math::var& a) {
19 return isnan(a.val());
20 }
21
22 }
23 #endif
std
Definition: std_numeric_limits.hpp:7
stan::math::var
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:30
std::isnan
int isnan(const stan::math::var &a)
Checks if the given number is NaN.
Definition: std_isnan.hpp:18
var.hpp
stan::math::var::val
double val() const
Return the value of this variable.
Definition: var.hpp:229

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