Stan Math Library  2.20.0
reverse mode automatic differentiation
operator_unary_not.hpp
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1 #ifndef STAN_MATH_FWD_CORE_OPERATOR_UNARY_NOT_HPP
2 #define STAN_MATH_FWD_CORE_OPERATOR_UNARY_NOT_HPP
3 
5 
6 namespace stan {
7 namespace math {
8 
17 template <typename T>
18 inline bool operator!(const fvar<T>& x) {
19  return !x.val_;
20 }
21 
22 } // namespace math
23 } // namespace stan
24 #endif
T val_
The value of this variable.
Definition: fvar.hpp:45
bool operator!(const fvar< T > &x)
Return the negation of the value of the argument as defined by !.
This template class represents scalars used in forward-mode automatic differentiation, which consist of values and directional derivatives of the specified template type.
Definition: fvar.hpp:41

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