Stan Math Library  2.20.0
reverse mode automatic differentiation
operator_not_equal.hpp
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1 #ifndef STAN_MATH_REV_CORE_OPERATOR_NOT_EQUAL_HPP
2 #define STAN_MATH_REV_CORE_OPERATOR_NOT_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 
50 inline bool operator!=(double a, const var& b) { return a != b.val(); }
51 
52 } // namespace math
53 } // namespace stan
54 #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 value of the two arguments are not equal as defined by !=.
double val() const
Return the value of this variable.
Definition: var.hpp:294

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