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boost_isnan.hpp
Go to the documentation of this file.
1 #ifndef STAN_MATH_REV_SCAL_FUN_BOOST_ISNAN_HPP
2 #define STAN_MATH_REV_SCAL_FUN_BOOST_ISNAN_HPP
3
4 #include <boost/math/special_functions/fpclassify.hpp>
5 #include <stan/math/rev/core.hpp>
6
7 namespace boost {
8
9 namespace math {
10
20 template <>
21 inline
22 bool isnan(const stan::math::var& v) {
23 return (boost::math::isnan)(v.val());
24 }
25
26 }
27 }
28 #endif
29
core.hpp
stan::math::var
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:32
boost::math::isnan
bool isnan(const stan::math::var &v)
Checks if the given number is NaN.
Definition: boost_isnan.hpp:22
stan::math::var::val
double val() const
Return the value of this variable.
Definition: var.hpp:234

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