Stan Math Library  2.20.0
reverse mode automatic differentiation
operator_not_equal.hpp
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1 #ifndef STAN_MATH_FWD_CORE_OPERATOR_NOT_EQUAL_HPP
2 #define STAN_MATH_FWD_CORE_OPERATOR_NOT_EQUAL_HPP
3 
5 
6 namespace stan {
7 namespace math {
8 
18 template <typename T>
19 inline bool operator!=(const fvar<T>& x, const fvar<T>& y) {
20  return x.val_ != y.val_;
21 }
22 
33 template <typename T>
34 inline bool operator!=(const fvar<T>& x, double y) {
35  return x.val_ != y;
36 }
37 
48 template <typename T>
49 inline bool operator!=(double x, const fvar<T>& y) {
50  return x != y.val_;
51 }
52 
53 } // namespace math
54 } // namespace stan
55 #endif
bool operator!=(const fvar< T > &x, const fvar< T > &y)
Return true if the value of the two arguments are not equal as defined by !=.
T val_
The value of this variable.
Definition: fvar.hpp:45
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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