Stan Math Library  2.20.0
reverse mode automatic differentiation
operator_equal.hpp
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1 #ifndef STAN_MATH_REV_CORE_OPERATOR_EQUAL_HPP
2 #define STAN_MATH_REV_CORE_OPERATOR_EQUAL_HPP
3 
5 
6 namespace stan {
7 namespace math {
8 
26 inline bool operator==(const var& a, const var& b) {
27  return a.val() == b.val();
28 }
29 
39 inline bool operator==(const var& a, double b) { return a.val() == b; }
40 
49 inline bool operator==(double a, const var& b) { return a == b.val(); }
50 
51 } // namespace math
52 } // namespace stan
53 #endif
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:33
bool operator==(const fvar< T > &x, const fvar< T > &y)
Return true if the specified variables have equal values as defined by ==.
double val() const
Return the value of this variable.
Definition: var.hpp:294

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