Stan Math Library  2.20.0
reverse mode automatic differentiation
is_inf.hpp
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1 #ifndef STAN_MATH_REV_SCAL_FUN_IS_INF_HPP
2 #define STAN_MATH_REV_SCAL_FUN_IS_INF_HPP
3 
4 #include <stan/math/rev/meta.hpp>
5 #include <stan/math/rev/core.hpp>
7 
8 namespace stan {
9 namespace math {
10 
20 inline int is_inf(const var& v) { return is_inf(v.val()); }
21 
22 } // namespace math
23 } // namespace stan
24 #endif
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:33
int is_inf(const fvar< T > &x)
Returns 1 if the input&#39;s value is infinite and 0 otherwise.
Definition: is_inf.hpp:20
double val() const
Return the value of this variable.
Definition: var.hpp:294

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