Stan Math Library  2.20.0
reverse mode automatic differentiation
is_uninitialized.hpp
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1 #ifndef STAN_MATH_REV_SCAL_FUN_IS_UNINITIALIZED_HPP
2 #define STAN_MATH_REV_SCAL_FUN_IS_UNINITIALIZED_HPP
3 
4 #include <stan/math/rev/meta.hpp>
5 #include <stan/math/rev/core.hpp>
7 
8 namespace stan {
9 namespace math {
10 
23 inline bool is_uninitialized(var x) { return x.is_uninitialized(); }
24 
25 } // namespace math
26 } // namespace stan
27 #endif
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:33
bool is_uninitialized(T x)
Returns true if the specified variable is uninitialized.
bool is_uninitialized()
Return true if this variable has been declared, but not been defined.
Definition: var.hpp:56

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