Stan Math Library  2.20.0
reverse mode automatic differentiation
boost_isnormal.hpp
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1 #ifndef STAN_MATH_REV_SCAL_FUN_BOOST_ISNORMAL_HPP
2 #define STAN_MATH_REV_SCAL_FUN_BOOST_ISNORMAL_HPP
3 
4 #include <stan/math/rev/meta.hpp>
5 #include <boost/math/special_functions/fpclassify.hpp>
6 #include <stan/math/rev/core.hpp>
7 
8 namespace boost {
9 namespace math {
10 
20 template <>
21 inline bool isnormal(const stan::math::var& v) {
22  return (boost::math::isnormal)(v.val());
23 }
24 
25 } // namespace math
26 } // namespace boost
27 #endif
Reimplementing boost functionality.
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:33
bool isnormal(const stan::math::var &v)
Checks if the given number is normal.
double val() const
Return the value of this variable.
Definition: var.hpp:294

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