operator_plus_equal.hpp

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#ifndef STAN_MATH_REV_CORE_OPERATOR_PLUS_EQUAL_HPP
#define STAN_MATH_REV_CORE_OPERATOR_PLUS_EQUAL_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/rev/core/var.hpp>
#include <stan/math/rev/core/operator_addition.hpp>
 
namespace stan {
namespace math {
 
template <typename T>
inline var_value<T>& var_value<T, require_floating_point_t<T>>::operator+=(
    const var_value<T>& b) {
  vi_ = (*this + b).vi_;
  return *this;
}
 
template <typename T>
inline var_value<T>& var_value<T, require_floating_point_t<T>>::operator+=(
    T b) {
  if (b == 0.0) {
    return *this;
  }
  vi_ = (*this + b).vi_;
  return *this;
}
 
}  // namespace math
}  // namespace stan
#endif