Stan Math Library  2.20.0
reverse mode automatic differentiation
operator_equal.hpp
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1 #ifndef STAN_MATH_FWD_CORE_OPERATOR_EQUAL_HPP
2 #define STAN_MATH_FWD_CORE_OPERATOR_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 
47 template <typename T>
48 inline bool operator==(double x, const fvar<T>& y) {
49  return x == y.val_;
50 }
51 
52 } // namespace math
53 } // namespace stan
54 #endif
T val_
The value of this variable.
Definition: fvar.hpp:45
bool operator==(const fvar< T > &x, const fvar< T > &y)
Return true if the specified variables have equal values 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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