operator_equal.hpp

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#ifndef STAN_MATH_REV_CORE_OPERATOR_EQUAL_HPP
#define STAN_MATH_REV_CORE_OPERATOR_EQUAL_HPP
 
#include <stan/math/rev/core/var.hpp>
#include <stan/math/prim/meta.hpp>
 
namespace stan {
namespace math {
 
inline bool operator==(const var& a, const var& b) {
  return a.val() == b.val();
}
 
template <typename Arith, require_arithmetic_t<Arith>* = nullptr>
inline bool operator==(const var& a, Arith b) {
  return a.val() == b;
}
 
template <typename Arith, require_arithmetic_t<Arith>* = nullptr>
inline bool operator==(Arith a, const var& b) {
  return a == b.val();
}
 
inline bool operator==(const var& x, const std::complex<var>& z) {
  return x == z.real() && 0 == z.imag();
}
 
inline bool operator==(const std::complex<var>& z, const var& y) {
  return z.real() == y && z.imag() == 0;
}
 
}  // namespace math
}  // namespace stan
#endif