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bug #1451: fix numeric_limits<AutoDiffScalar<Der>> with a reference as derivative type

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This commit is contained in:
Gael Guennebaud 2018-08-04 00:17:37 +02:00
parent 7f8b53fd0e
commit 09c81ac033
1 changed files with 5 additions and 0 deletions
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5
unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
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@ -684,10 +684,15 @@ template<typename DerType> struct NumTraits<AutoDiffScalar<DerType> >
}
namespace std {
template <typename T>
class numeric_limits<Eigen::AutoDiffScalar<T> >
: public numeric_limits<typename T::Scalar> {};
template <typename T>
class numeric_limits<Eigen::AutoDiffScalar<T&> >
: public numeric_limits<typename T::Scalar> {};
} // namespace std
#endif // EIGEN_AUTODIFF_SCALAR_H