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operator_division.hpp
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#ifndef STAN_MATH_FWD_CORE_OPERATOR_DIVISION_HPP
#define STAN_MATH_FWD_CORE_OPERATOR_DIVISION_HPP
#include <stan/math/fwd/core/fvar.hpp>
namespace stan {
namespace math {
template <typename T>
inline
fvar<T>
operator/(const fvar<T>& x1, const fvar<T>& x2) {
return fvar<T>(x1.val_ / x2.val_,
(x1.d_ * x2.val_ - x1.val_ * x2.d_) / (x2.val_ * x2.val_));
}
template <typename T>
inline
fvar<T>
operator/(const fvar<T>& x1, const double x2) {
return fvar<T>(x1.val_ / x2,
x1.d_ / x2);
}
template <typename T>
inline
fvar<T>
operator/(const double x1, const fvar<T>& x2) {
return fvar<T>(x1 / x2.val_,
- x1 * x2.d_ / (x2.val_ * x2.val_));
}
}
}
#endif
stan::math::operator/
fvar< T > operator/(const fvar< T > &x1, const fvar< T > &x2)
Definition: operator_division.hpp:14
stan::math::fvar::d_
T d_
Definition: fvar.hpp:15
stan::math::fvar::val_
T val_
Definition: fvar.hpp:14
fvar.hpp
stan::math::fvar
Definition: fvar.hpp:13

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