Specializing numeric_limits For AutoDiffScalar

2026-04-10 11:34:33 +08:00 · 2017-05-23 17:12:36 -04:00
parent 26e8f9171e
commit 2971503fed
2 changed files with 21 additions and 0 deletions
--- a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
+++ b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
@@ -683,4 +683,11 @@ template<typename DerType> struct NumTraits<AutoDiffScalar<DerType> >

 }

+namespace std {
+template <typename T>
+class numeric_limits<Eigen::AutoDiffScalar<T> >
+  : public numeric_limits<typename T::Scalar> {};
+
+}  // namespace std
+
 #endif // EIGEN_AUTODIFF_SCALAR_H